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apophysis/2.10/Source/Editor.pas
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2006-11-24 13:16:38 +00:00

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{
Apophysis Copyright (C) 2001-2004 Mark Townsend
Apophysis Copyright (C) 2005-2006 Ronald Hordijk, Piotr Borys, Peter Sdobnov
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
}
//{$D-,L-,O+,Q-,R-,Y-,S-}
unit Editor;
//{$define VAR_STR}
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
ExtCtrls, StdCtrls, ComCtrls, Math, Menus, ToolWin, Registry,
Grids, ValEdit, Buttons, ImgList, Types,
ControlPoint, XForm, cmap, CustomDrawControl,
Render;
type
TEditForm = class(TForm)
GrphPnl: TPanel;
StatusBar: TStatusBar;
ControlPanel: TPanel;
PrevPnl: TPanel;
PreviewImage: TImage;
EditPopup: TPopupMenu;
mnuAdd: TMenuItem;
mnuAutoZoom: TMenuItem;
N1: TMenuItem;
mnuUndo: TMenuItem;
mnuRedo: TMenuItem;
QualityPopup: TPopupMenu;
mnuLowQuality: TMenuItem;
mnuMediumQuality: TMenuItem;
mnuHighQuality: TMenuItem;
N3: TMenuItem;
mnuResetLoc: TMenuItem;
N4: TMenuItem;
mnuFlipVertical: TMenuItem;
mnuFlipHorizontal: TMenuItem;
cbTransforms: TComboBox;
PageControl: TPageControl;
TriangleTab: TTabSheet;
tabXForm: TTabSheet;
txtA: TEdit;
txtB: TEdit;
txtC: TEdit;
txtD: TEdit;
txtE: TEdit;
txtF: TEdit;
txtP: TEdit;
tabVariations: TTabSheet;
VEVars: TValueListEditor;
tabColors: TTabSheet;
GroupBox1: TGroupBox;
scrlXFormColor: TScrollBar;
pnlXFormColor: TPanel;
txtXFormColor: TEdit;
GroupBox2: TGroupBox;
TriangleScrollBox: TScrollBox;
TrianglePanel: TPanel;
txtCy: TEdit;
txtCx: TEdit;
txtBy: TEdit;
txtBx: TEdit;
txtAy: TEdit;
txtAx: TEdit;
LabelB: TLabel;
LabelA: TLabel;
LabelC: TLabel;
btTrgRotateRight: TSpeedButton;
btTrgRotateLeft: TSpeedButton;
btTrgMoveUp: TSpeedButton;
btTrgMoveRight: TSpeedButton;
btTrgMoveLeft: TSpeedButton;
btTrgMoveDown: TSpeedButton;
btTrgScaleUp: TSpeedButton;
btTrgScaleDown: TSpeedButton;
btTrgRotateRight90: TSpeedButton;
btTrgRotateLeft90: TSpeedButton;
txtTrgMoveValue: TComboBox;
txtTrgRotateValue: TComboBox;
txtTrgScaleValue: TComboBox;
Splitter1: TSplitter;
Splitter2: TSplitter;
EditorToolBar: TToolBar;
tbAdd: TToolButton;
tbDuplicate: TToolButton;
tbDelete: TToolButton;
ToolButton4: TToolButton;
tbMove: TToolButton;
tbRotate: TToolButton;
ToolButton1: TToolButton;
tbUndo: TToolButton;
tbRedo: TToolButton;
ToolButton5: TToolButton;
tbScale: TToolButton;
tbFlipHorz: TToolButton;
tbFlipVert: TToolButton;
tbSelect: TToolButton;
EditorTB: TImageList;
TabSheet4: TTabSheet;
vleVariables: TValueListEditor;
tbResetAll: TToolButton;
btnResetCoefs: TSpeedButton;
btnXcoefs: TSpeedButton;
btnYcoefs: TSpeedButton;
btnOcoefs: TSpeedButton;
btnCoefsRect: TSpeedButton;
btnCoefsPolar: TSpeedButton;
trkVarPreviewDensity: TTrackBar;
trkVarPreviewRange: TTrackBar;
ToolButton2: TToolButton;
tbVarPreview: TToolButton;
trkVarPreviewDepth: TTrackBar;
btnXpost: TSpeedButton;
btnYpost: TSpeedButton;
btnOpost: TSpeedButton;
txtPost00: TEdit;
txtPost01: TEdit;
txtPost10: TEdit;
txtPost11: TEdit;
txtPost20: TEdit;
txtPost21: TEdit;
btnResetPostCoefs: TSpeedButton;
GroupBox3: TGroupBox;
editPivotY: TEdit;
editPivotX: TEdit;
btnResetPivot: TSpeedButton;
btnPickPivot: TSpeedButton;
btnPivotMode: TSpeedButton;
tbEnableFinalXform: TToolButton;
ToolButton3: TToolButton;
TrianglePopup: TPopupMenu;
mnuDuplicate: TMenuItem;
mnuDelete: TMenuItem;
mnuAdd1: TMenuItem;
N2: TMenuItem;
mnuShowVarPreview: TMenuItem;
mnuReset: TMenuItem;
N6: TMenuItem;
Rotatetriangle90CCW1: TMenuItem;
Rotatetriangle90CCW2: TMenuItem;
txtSymmetry: TEdit;
pnlWeight: TPanel;
pnlSymmetry: TPanel;
mnuResetTrgRotation: TMenuItem;
mnuResetTrgPosition: TMenuItem;
mnuResetTrgScale: TMenuItem;
N7: TMenuItem;
mnuExtendedEdit: TMenuItem;
N8: TMenuItem;
mnuAxisLock: TMenuItem;
mnuSelectmode: TMenuItem;
ToolButton6: TToolButton;
tbPivotMode: TToolButton;
tbRotate90CCW: TToolButton;
tbRotate90CW: TToolButton;
lblTransform: TLabel;
chkPreserve: TCheckBox;
bvlCoefs: TBevel;
bvlPostCoefs: TBevel;
tbPostXswap: TToolButton;
ToolBar1: TToolBar;
tbCopyTriangle: TToolButton;
tbPasteTriangle: TToolButton;
tbExtendedEdit: TToolButton;
tbAxisLock: TToolButton;
tbAutoWeights: TToolButton;
tb2PostXswap: TToolButton;
oggleposttriangleediting1: TMenuItem;
mnuCopyTriangle: TMenuItem;
mnuPasteTriangle: TMenuItem;
procedure ValidateVariable;
procedure vleVariablesValidate(Sender: TObject; ACol, ARow: Integer; const KeyName, KeyValue: string);
procedure vleVariablesKeyPress(Sender: TObject; var Key: Char);
procedure vleVariablesExit(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure TriangleViewMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: integer);
procedure TriangleViewMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: integer);
procedure TriangleViewMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: integer);
procedure TriangleViewMouseWheel(Sender: TObject; Shift: TShiftState;
WheelDelta: Integer; MousePos: TPoint; var Handled: Boolean);
procedure TriangleViewDblClick(Sender: TObject);
procedure TriangleViewKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure TriangleViewKeyUp(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure TriangleViewExit(Sender: TObject);
procedure TriangleViewMouseLeave(Sender: TObject);
procedure TriangleViewInvalidate(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure mnuDeleteClick(Sender: TObject);
procedure mnuAddClick(Sender: TObject);
procedure mnuDupClick(Sender: TObject);
procedure mnuAutoZoomClick(Sender: TObject);
procedure btnCloseClick(Sender: TObject);
procedure FormResize(Sender: TObject);
procedure txtPKeyPress(Sender: TObject; var Key: Char);
procedure CornerEditKeyPress(Sender: TObject; var Key: Char);
procedure CornerEditExit(Sender: TObject);
procedure txtPExit(Sender: TObject);
procedure DrawPreview;
procedure FormClose(Sender: TObject; var Action: TCloseAction);
procedure mnuUndoClick(Sender: TObject);
procedure mnuRedoClick(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure mnuLowQualityClick(Sender: TObject);
procedure mnuHighQualityClick(Sender: TObject);
procedure mnuMediumQualityClick(Sender: TObject);
procedure mnuResetLocClick(Sender: TObject);
procedure mnuVerticalFlipAllClick(Sender: TObject);
procedure mnuHorizintalFlipAllClick(Sender: TObject);
procedure mnuFlipVerticalClick(Sender: TObject);
procedure mnuFlipHorizontalClick(Sender: TObject);
procedure cbTransformsChange(Sender: TObject);
procedure CoefKeyPress(Sender: TObject; var Key: Char);
procedure CoefValidate(Sender: TObject);
procedure scrlXFormColorScroll(Sender: TObject;
ScrollCode: TScrollCode; var ScrollPos: Integer);
procedure scrlXFormColorChange(Sender: TObject);
// procedure chkUseXFormColorClick(Sender: TObject);
// procedure chkHelpersClick(Sender: TObject);
procedure txtXFormColorExit(Sender: TObject);
procedure txtXFormColorKeyPress(Sender: TObject; var Key: Char);
procedure txtSymmetrySet(Sender: TObject);
procedure txtSymmetrKeyPress(Sender: TObject; var Key: Char);
procedure btTrgRotateLeftClick(Sender: TObject);
procedure btTrgRotateRightClick(Sender: TObject);
procedure btTrgRotateLeft90Click(Sender: TObject);
procedure btTrgRotateRight90Click(Sender: TObject);
procedure TrgMove(dx, dy: double);
procedure btTrgMoveLeftClick(Sender: TObject);
procedure btTrgMoveRightClick(Sender: TObject);
procedure btTrgMoveUpClick(Sender: TObject);
procedure btTrgMoveDownClick(Sender: TObject);
procedure btTrgScaleUpClick(Sender: TObject);
procedure btTrgScaleDownClick(Sender: TObject);
procedure splitterMoved(Sender: TObject);
procedure tbSelectClick(Sender: TObject);
procedure EditKeyPress(Sender: TObject; var Key: Char);
procedure tbEditModeClick(Sender: TObject);
procedure ValidateVariation;
// procedure ValidateValue(Sender: TObject);
procedure VEVarsKeyPress(Sender: TObject; var Key: Char);
procedure VEVarsChange(Sender: TObject);
procedure VEVarsValidate(Sender: TObject; ACol, ARow: Integer;
const KeyName, KeyValue: String);
procedure VEVarsMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure VEVarsMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
procedure VEVarsMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure VEVarsDblClick(Sender: TObject);
procedure cbTransformsDrawItem(Control: TWinControl; Index: Integer;
Rect: TRect; State: TOwnerDrawState);
procedure tbFullViewClick(Sender: TObject);
procedure EditKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure txtValidateValue(Sender: TObject);
procedure txtValKeyPress(Sender: TObject; var Key: Char);
procedure mnuResetTriangleClick(Sender: TObject);
procedure mnuResetAllClick(Sender: TObject);
procedure btnXcoefsClick(Sender: TObject);
procedure btnYcoefsClick(Sender: TObject);
procedure btnOcoefsClick(Sender: TObject);
procedure btnCoefsModeClick(Sender: TObject);
procedure tbVarPreviewClick(Sender: TObject);
procedure trkVarPreviewRangeChange(Sender: TObject);
procedure trkVarPreviewDensityChange(Sender: TObject);
procedure trkVarPreviewDepthChange(Sender: TObject);
procedure btnXpostClick(Sender: TObject);
procedure btnYpostClick(Sender: TObject);
procedure btnOpostClick(Sender: TObject);
procedure PostCoefValidate(Sender: TObject);
procedure PostCoefKeypress(Sender: TObject; var Key: Char);
procedure btnResetCoefsClick(Sender: TObject);
procedure btnResetPostCoefsClick(Sender: TObject);
procedure btnPivotModeClick(Sender: TObject);
procedure PivotValidate(Sender: TObject);
procedure PivotKeyPress(Sender: TObject; var Key: Char);
procedure btnResetPivotClick(Sender: TObject);
procedure btnPickPivotClick(Sender: TObject);
procedure VEVarsDrawCell(Sender: TObject; ACol, ARow: Integer;
Rect: TRect; State: TGridDrawState);
procedure tbEnableFinalXformClick(Sender: TObject);
procedure DragPanelMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure DragPanelMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
procedure DragPanelMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure DragPanelDblClick(Sender: TObject);
procedure mnuResetTrgRotationClick(Sender: TObject);
procedure mnuResetTrgScaleClick(Sender: TObject);
procedure ResetAxisRotation(n: integer);
procedure ResetAxisScale(n: integer);
procedure tbExtendedEditClick(Sender: TObject);
procedure tbAxisLockClick(Sender: TObject);
procedure tbPostXswapClick(Sender: TObject);
procedure btnCopyTriangleClick(Sender: TObject);
procedure btnPasteTriangleClick(Sender: TObject);
private
TriangleView: TCustomDrawControl;
cmap: TColorMap;
PreviewDensity: double;
viewDragMode, viewDragged: boolean;
editMode, oldMode, widgetMode: (modeNone, modeMove, modeRotate, modeScale, modePick);
modeHack: boolean; // for mouseOverEdge...
modeKey: word;
key_handled: boolean;
updating: boolean;
MousePos: TPoint; // in screen coordinates
mouseOverTriangle, mouseOverEdge, mouseOverCorner, mouseOverWidget: integer;
mouseOverPos: TSPoint;
Widgets: array[0..3] of array [0..2] of TSPoint;
xx, xy, yx, yy: double;
varDragMode: boolean;
varDragIndex: integer;
varDragValue: double;
varDragPos, varDragOld: integer;
varMM: boolean; //hack?
SelectMode, ExtendedEdit, AxisLock: boolean;
showVarPreview: boolean;
GraphZoom: double;
TriangleCaught, CornerCaught, EdgeCaught: boolean;
LocalAxisLocked: boolean;
// SelectedTriangle: integer; // outside only for scripting (??)
oldSelected: integer;
SelectedCorner: integer;
HasChanged: boolean;
oldTriangle: TTriangle;
gCenterX: double;
gCenterY: double;
MemTriangle: TTriangle;
oldx, oldy, olddist: double;
Pivot, LocalPivot, WorldPivot: TSPoint;
PivotMode: (pivotLocal, pivotWorld);
VarsCache: array[0..64] of double; // hack: to prevent slow valuelist redraw
pnlDragMode: boolean;
pnlDragPos, pnlDragOld: integer;
pnlDragValue: double;
procedure UpdateFlameX;
procedure UpdateFlame(DrawMain: boolean);
procedure UpdateWidgets;
procedure UpdateXformsList;
procedure DeleteTriangle(t: integer);
function GetPivot: TSPoint; overload;
function GetPivot(n: integer): TSPoint; overload;
procedure ShowSelectedInfo;
procedure Scale(var fx, fy: double; x, y: integer);
procedure TriangleViewPaint(Sender: TObject);
procedure AutoZoom;
public
cp: TControlPoint;
Render: TRenderer;
SelectedTriangle: integer;
procedure UpdatePreview;
procedure UpdateDisplay(PreviewOnly: boolean = false); //(?)
function GetTriangleColor(n: integer): TColor;
function LastTriangle: integer;
function InsideTriangle(x, y: double): integer;
end;
const
TrgColors: array[-1..13] of TColor = (clGray,
$0000ff, $00ffff, $00ff00, $ffff00, $ff0000, $ff00ff, $007fff,
$7f00ff, $55ffff, $ccffcc, $ffffaa, $ff7f7f, $ffaaff, $55ccff );
var
EditForm: TEditForm;
function ColorValToColor(c: TColorMap; index: double): TColor;
function FlipTriangleVertical(t: TTriangle): TTriangle;
function FlipTriangleHorizontal(t: TTriangle): TTriangle;
function RotateTriangle(t: TTriangle; rad: double): TTriangle;
function OffsetTriangle(t: TTriangle; range: double): TTriangle;
function ScaleTriangle(t: TTriangle; scale: double): TTriangle;
function RotateTriangleCenter(t: TTriangle; rad: double): TTriangle;
function RotateTrianglePoint(t: TTriangle; x, y, rad: double): TTriangle;
function Centroid(t: TTriangle): TSPoint;
function OffsetTriangleRandom(t: TTriangle): TTriangle;
function ScaleTriangleCenter(t: TTriangle; scale: double): TTriangle;
function ScaleTrianglePoint(t: TTriangle; x, y, scale: double): TTriangle;
implementation
uses
Main, Global, Adjust, Mutate, XformMan;
{$R *.DFM}
{ Triangle transformations }
function OffsetTriangleRandom(t: TTriangle): TTriangle;
var
r: integer;
begin
r := random(3);
Result.x[r] := t.x[r] + random - 0.5;
Result.y[r] := t.y[r] + random - 0.5;
end;
function FlipTriangleVertical(t: TTriangle): TTriangle;
begin
Result := t;
Result.y[0] := -t.y[0];
Result.y[1] := -t.y[1];
Result.y[2] := -t.y[2];
end;
function FlipTriangleHorizontal(t: TTriangle): TTriangle;
begin
Result := t;
Result.x[0] := -t.x[0];
Result.x[1] := -t.x[1];
Result.x[2] := -t.x[2];
end;
function ScaleTriangle(t: TTriangle; scale: double): TTriangle;
begin
Result.y[0] := scale * t.y[0];
Result.y[1] := scale * t.y[1];
Result.y[2] := scale * t.y[2];
Result.x[0] := scale * t.x[0];
Result.x[1] := scale * t.x[1];
Result.x[2] := scale * t.x[2];
end;
function Centroid(t: TTriangle): TSPoint;
begin
Result.x := (t.x[0] + t.x[1] + t.x[2]) / 3;
Result.y := (t.y[0] + t.y[1] + t.y[2]) / 3;
end;
function ScaleTriangleCenter(t: TTriangle; scale: double): TTriangle;
var
xr, yr: double;
z: TSPoint;
begin
assert(scale <> 0);
z := Centroid(t);
xr := z.x;
yr := z.y;
Result.y[0] := scale * (t.y[0] - yr) + yr;
Result.y[1] := scale * (t.y[1] - yr) + yr;
Result.y[2] := scale * (t.y[2] - yr) + yr;
Result.x[0] := scale * (t.x[0] - xr) + xr;
Result.x[1] := scale * (t.x[1] - xr) + xr;
Result.x[2] := scale * (t.x[2] - xr) + xr;
end;
function ScaleTrianglePoint(t: TTriangle; x, y, scale: double): TTriangle;
begin
//assert(scale <> 0);
if scale = 0 then scale := 1e-64;
Result.y[0] := scale * (t.y[0] - y) + y;
Result.y[1] := scale * (t.y[1] - y) + y;
Result.y[2] := scale * (t.y[2] - y) + y;
Result.x[0] := scale * (t.x[0] - x) + x;
Result.x[1] := scale * (t.x[1] - x) + x;
Result.x[2] := scale * (t.x[2] - x) + x;
end;
function RotateTriangle(t: TTriangle; rad: double): TTriangle; //rad in Radians
var
i: integer;
begin
for i := 0 to 2 do
begin
Result.x[i] := t.x[i] * cos(rad) - t.y[i] * sin(rad);
Result.y[i] := t.x[i] * sin(rad) + t.y[i] * cos(rad);
end;
end;
function OffsetTriangle(t: TTriangle; range: double): TTriangle;
var
i: integer;
r: double;
begin
r := (random * 2 * range) - range;
for i := 0 to 2 do
begin
Result.x[i] := t.x[i] + r;
Result.y[i] := t.y[i] + r;
end;
end;
function RotateTriangleCenter(t: TTriangle; rad: double): TTriangle;
var
i: integer;
xr, yr: double;
z: TSPoint;
begin
z := Centroid(t);
xr := z.x;
yr := z.y;
for i := 0 to 2 do
begin
Result.x[i] := xr + (t.x[i] - xr) * cos(rad) -
(t.y[i] - yr) * sin(rad);
Result.y[i] := yr + (t.x[i] - xr) * sin(rad) +
(t.y[i] - yr) * cos(rad);
end;
end;
function RotateTrianglePoint(t: TTriangle; x, y, rad: double): TTriangle;
var
i: integer;
xr, yr: double;
begin
xr := x;
yr := y;
for i := 0 to 2 do
begin
Result.x[i] := xr + (t.x[i] - xr) * cos(rad) -
(t.y[i] - yr) * sin(rad);
Result.y[i] := yr + (t.x[i] - xr) * sin(rad) +
(t.y[i] - yr) * cos(rad);
end;
end;
function ColorValToColor(c: TColorMap; index: double): TColor;
var
i: integer;
begin
i := Trunc(Index * 255);
assert(i >= 0);
assert(i < 256);
result := c[i][2] shl 16 + c[i][1] shl 8 + c[i][0];
end;
procedure TEditForm.UpdatePreview;
var
pw, ph: integer;
begin
pw := PrevPnl.Width - 2;
ph := PrevPnl.Height - 2;
if (cp.width / cp.height) > (pw / ph) then
begin
PreviewImage.Width := pw;
assert(pw <> 0);
PreviewImage.Height := round(cp.height / cp.Width * pw);
PreviewImage.Left := 1;
PreviewImage.Top := (ph - PreviewImage.Height) div 2;
end
else begin
PreviewImage.Height := ph;
assert(ph <> 0);
PreviewImage.Width := round(cp.Width / cp.Height * ph);
PreviewImage.Top := 1;
PreviewImage.Left := (pw - PreviewImage.Width) div 2;
end;
cp.AdjustScale(PreviewImage.Width, PreviewImage.Height);
DrawPreview;
end;
procedure TEditForm.UpdateXformsList;
var
i: integer;
begin
cbTransforms.Clear;
for i := 1 to Transforms do cbTransforms.Items.Add(IntToStr(i));
if EnableFinalXform or cp.HasFinalXForm then cbTransforms.Items.Add('Final');
cbTransforms.ItemIndex := SelectedTriangle;
end;
procedure TEditForm.UpdateDisplay(PreviewOnly: boolean = false);
begin
// currently EditForm does not really know if we select another
// flame in the Main Window - which is not good...
cp.copy(MainCp);
if SelectedTriangle > LastTriangle{???} then
begin
SelectedTriangle := cp.NumXForms-1;
mouseOverTriangle := -1;
end;
EnableFinalXform := cp.finalXformEnabled;
tbEnableFinalXform.Down := EnableFinalXform;
UpdatePreview;
if PreviewOnly then exit;
cp.cmap := MainCp.cmap;
cmap := MainCp.cmap;
UpdateXformsList;
// just in case:
SetCaptureControl(nil);
HasChanged := false;
// viewDragMode := false;
varDragMode := false;
pnlDragMode := false;
CornerCaught := false;
EdgeCaught := false;
TriangleCaught := false;
cp.TrianglesFromCP(MainTriangles);
ShowSelectedInfo;
if MainForm.UndoIndex = 0 then AutoZoom // auto-zoom only on 'new' flame
else TriangleView.Invalidate;
end;
procedure TEditForm.DrawPreview;
begin
//Render.Stop;
cp.sample_density := PreviewDensity;
cp.spatial_oversample := defOversample;
cp.spatial_filter_radius := defFilterRadius;
if mnuResetLoc.checked then
begin
cp.zoom := 0;
cp.CalcBoundbox;
{ end
else
begin
cp.zoom := MainCp.zoom;
cp.center[0] := MainCp.Center[0];
cp.center[1] := MainCp.Center[1];
}
end;
cp.cmap := MainCp.cmap;
Render.SetCP(cp);
Render.Render;
PreviewImage.Picture.Bitmap.Assign(Render.GetImage);
PreviewImage.refresh;
end;
procedure TEditForm.ShowSelectedInfo;
var
i: integer;
v: double;
strval: string;
begin
updating := true;
if (SelectedTriangle > LastTriangle) then SelectedTriangle := LastTriangle;
cbTransforms.ItemIndex := SelectedTriangle;
cbTransforms.Refresh;
with MainTriangles[SelectedTriangle] do
begin
txtAx.text := Format('%.6g', [x[0]]);
txtAy.text := Format('%.6g', [y[0]]);
txtBx.text := Format('%.6g', [x[1]]);
txtBy.text := Format('%.6g', [y[1]]);
txtCx.text := Format('%.6g', [x[2]]);
txtCy.text := Format('%.6g', [y[2]]);
end;
with cp.xform[SelectedTriangle] do
begin
if btnCoefsRect.Down then begin
txtA.text := Format('%.6g', [ c[0][0]]);
txtB.text := Format('%.6g', [-c[0][1]]);
txtC.text := Format('%.6g', [-c[1][0]]);
txtD.text := Format('%.6g', [ c[1][1]]);
txtE.text := Format('%.6g', [ c[2][0]]);
txtF.text := Format('%.6g', [-c[2][1]]);
txtPost00.text := Format('%.6g', [ p[0][0]]);
txtPost01.text := Format('%.6g', [-p[0][1]]);
txtPost10.text := Format('%.6g', [-p[1][0]]);
txtPost11.text := Format('%.6g', [ p[1][1]]);
txtPost20.text := Format('%.6g', [ p[2][0]]);
txtPost21.text := Format('%.6g', [-p[2][1]]);
end
else begin
txtA.text := Format('%.6g', [Hypot(c[0][0], c[0][1])]);
txtB.text := Format('%.6g', [arctan2(-c[0][1], c[0][0])*180/PI]);
txtC.text := Format('%.6g', [Hypot(c[1][0], c[1][1])]);
txtD.text := Format('%.6g', [arctan2(c[1][1], -c[1][0])*180/PI]);
txtE.text := Format('%.6g', [Hypot(c[2][0], c[2][1])]);
txtF.text := Format('%.6g', [arctan2(-c[2][1], c[2][0])*180/PI]);
txtPost00.text := Format('%.6g', [Hypot(p[0][0], p[0][1])]);
txtPost01.text := Format('%.6g', [arctan2(-p[0][1], p[0][0])*180/PI]);
txtPost10.text := Format('%.6g', [Hypot(p[1][0], p[1][1])]);
txtPost11.text := Format('%.6g', [arctan2(p[1][1], -p[1][0])*180/PI]);
txtPost20.text := Format('%.6g', [Hypot(p[2][0], p[2][1])]);
txtPost21.text := Format('%.6g', [arctan2(-p[2][1], p[2][0])*180/PI]);
end;
tbPostXswap.Down := postXswap;
tb2PostXswap.Down := postXswap;
bvlPostCoefs.Visible := postXswap;
bvlCoefs.Visible := not postXswap;
if postXswap then begin
btnXcoefs.Font.Style := [];
btnYcoefs.Font.Style := [];
btnOcoefs.Font.Style := [];
btnXpost.Font.Style := [fsBold];
btnYpost.Font.Style := [fsBold];
btnOpost.Font.Style := [fsBold];
btnResetCoefs.Font.Style := [];
btnResetPostCoefs.Font.Style := [fsBold];
end
else begin
btnXcoefs.Font.Style := [fsBold];
btnYcoefs.Font.Style := [fsBold];
btnOcoefs.Font.Style := [fsBold];
btnXpost.Font.Style := [];
btnYpost.Font.Style := [];
btnOpost.Font.Style := [];
btnResetCoefs.Font.Style := [fsBold];
btnResetPostCoefs.Font.Style := [];
end;
{
btnXpost.Enabled := postXswap;
btnYpost.Enabled := postXswap;
btnOpost.Enabled := postXswap;
txtPost00.Enabled := postXswap;
txtPost01.Enabled := postXswap;
txtPost10.Enabled := postXswap;
txtPost11.Enabled := postXswap;
txtPost20.Enabled := postXswap;
txtPost21.Enabled := postXswap;
btnResetPostCoefs.Enabled := postXswap;
btnXcoefs.Enabled := not postXswap;
btnYcoefs.Enabled := not postXswap;
btnOcoefs.Enabled := not postXswap;
txtA.Enabled := not postXswap;
txtB.Enabled := not postXswap;
txtC.Enabled := not postXswap;
txtD.Enabled := not postXswap;
txtE.Enabled := not postXswap;
txtF.Enabled := not postXswap;
btnResetCoefs.Enabled := not postXswap;
}
if SelectedTriangle < Transforms then
begin
txtP.text := Format('%.6g', [density]);
txtP.Enabled := true;
end
else begin
txtP.Enabled := false;
txtP.Text := 'n/a';
end;
tbEnableFinalXform.Down := EnableFinalXform;
txtSymmetry.text := Format('%.6g', [symmetry]);
pnlXFormColor.Color := ColorValToColor(cp.cmap, color);
txtXFormColor.Text := Format('%1.3f', [color]);
scrlXFormcolor.Position := Trunc(color * scrlXFormColor.Max);
for i := 0 to NRVAR-1 do begin
v := vars[i];
if v <> VarsCache[i] then
begin
VarsCache[i]:=v;
VEVars.Values[VarNames(i)] := Format('%.6g', [v]);
end;
end;
for i:= 0 to GetNrVariableNames - 1 do begin
{$ifndef VAR_STR}
GetVariable(GetVariableNameAt(i), v);
strval := Format('%.6g', [v]);
{$else}
strval := GetVariableStr(GetVariableNameAt(i));
{$endif}
// kinda funny, but it really helped...
if vleVariables.Values[GetVariableNameAt(i)] <> strval then
vleVariables.Values[GetVariableNameAt(i)] := strval;
end;
end;
if PivotMode = pivotLocal then begin
editPivotX.Text := Format('%.6g', [LocalPivot.x]);
editPivotY.Text := Format('%.6g', [LocalPivot.y]);
end
else begin
editPivotX.Text := Format('%.6g', [WorldPivot.x]);
editPivotY.Text := Format('%.6g', [WorldPivot.y]);
end;
PageControl.Refresh;
updating := false;
end;
procedure TEditForm.Scale(var fx, fy: double; x, y: integer);
var
sc: double;
begin
sc := 50 * GraphZoom;
fx := (x - (TriangleView.Width / 2)) / sc + gCenterX;
fy := -((y - (TriangleView.Height / 2)) / sc - gCentery);
end;
procedure TEditForm.AutoZoom;
var
i, j: integer;
xminz, yminz, xmaxz, ymaxz: double;
gxlength, gylength: double;
begin
xminz := 0;
yminz := 0;
xmaxz := 0;
ymaxz := 0;
for i := -1 to LastTriangle do
begin
for j := 0 to 2 do
begin
if MainTriangles[i].x[j] < xminz then xminz := MainTriangles[i].x[j];
if MainTriangles[i].y[j] < yminz then yminz := MainTriangles[i].y[j];
if MainTriangles[i].x[j] > xmaxz then xmaxz := MainTriangles[i].x[j];
if MainTriangles[i].y[j] > ymaxz then ymaxz := MainTriangles[i].y[j];
end;
end;
gxlength := xmaxz - xminz;
gylength := ymaxz - yminz;
gCenterX := xminz + gxlength / 2;
gCentery := yminz + gylength / 2;
if gxlength >= gylength then
GraphZoom := TriangleView.Width / 60 / gxlength
else
GraphZoom := TriangleView.Height / 60 / gylength;
EditForm.StatusBar.Panels[2].Text := Format('Zoom: %f', [GraphZoom]);
TriangleView.Invalidate;//Refresh;
end;
procedure TEditForm.UpdateFlameX;
begin
cp.GetFromTriangles(MainTriangles, Transforms);
if tbAutoWeights.Down then cp.ComputeWeights(MainTriangles, Transforms);
DrawPreview;
ShowSelectedInfo;
TriangleView.Refresh;
end;
procedure TEditForm.UpdateFlame(DrawMain: boolean);
begin
StatusBar.Panels[2].Text := Format('Zoom: %f', [GraphZoom]);
cp.GetFromTriangles(MainTriangles, LastTriangle);
// if not chkPreserve.Checked then ComputeWeights(cp, MainTriangles, transforms);
DrawPreview;
ShowSelectedInfo;
TriangleView.Refresh;
if DrawMain then begin
MainForm.StopThread;
MainCp.Copy(cp, true);
MainCp.cmap := cmap;
if mnuResetLoc.checked then begin
MainCp.zoom := 0;
MainForm.center[0] := cp.center[0];
MainForm.center[1] := cp.center[1];
end;
if AdjustForm.Visible then AdjustForm.UpdateDisplay;
if MutateForm.Visible then MutateForm.UpdateDisplay;
MainForm.RedrawTimer.enabled := true;
end;
end;
procedure TEditForm.UpdateWidgets;
function Point(x, y: double): TSPoint;
begin
Result.x := x;
Result.y := y;
end;
begin
with mainTriangles[Selectedtriangle] do
begin
xx := x[0] - x[1];
xy := y[0] - y[1];
yx := x[2] - x[1];
yy := y[2] - y[1];
Widgets[0][0] := Point(x[1] + 0.8*xx + yx, y[1] + 0.8*xy + yy);
Widgets[0][1] := Point(x[1] + xx + yx, y[1] + xy + yy);
Widgets[0][2] := Point(x[1] + xx + 0.8*yx, y[1] + xy + 0.8*yy);
Widgets[1][0] := Point(x[1] - 0.8*xx + yx, y[1] - 0.8*xy + yy);
Widgets[1][1] := Point(x[1] - xx + yx, y[1] - xy + yy);
Widgets[1][2] := Point(x[1] - xx + 0.8*yx, y[1] - xy + 0.8*yy);
Widgets[2][0] := Point(x[1] - 0.8*xx - yx, y[1] - 0.8*xy - yy);
Widgets[2][1] := Point(x[1] - xx - yx, y[1] - xy - yy);
Widgets[2][2] := Point(x[1] - xx - 0.8*yx, y[1] - xy - 0.8*yy);
Widgets[3][0] := Point(x[1] + 0.8*xx - yx, y[1] + 0.8*xy - yy);
Widgets[3][1] := Point(x[1] + xx - yx, y[1] + xy - yy);
Widgets[3][2] := Point(x[1] + xx - 0.8*yx, y[1] + xy - 0.8*yy);
end;
end;
procedure TEditForm.DeleteTriangle(t: integer);
var
i: integer;
begin
if (t = Transforms) then
begin
assert(cp.HasFinalXForm or EnableFinalXform);
MainForm.UpdateUndo;
EnableFinalXform := false;
cp.finalXformEnabled := false;
cp.xform[Transforms].Clear;
cp.xform[Transforms].symmetry := 1;
assert(cp.HasFinalXForm = false);
MainTriangles[Transforms] := MainTriangles[-1];
tbEnableFinalXform.Down := false;
if (SelectedTriangle = Transforms) then Dec(SelectedTriangle);
end
else
if (Transforms <= 2) then exit
else begin
MainForm.UpdateUndo;
if t = (Transforms - 1) then
begin
MainTriangles[t] := MainTriangles[Transforms];
cp.xform[t].Assign(cp.xform[Transforms]);
Dec(SelectedTriangle);
end
else begin
for i := t to Transforms-1 do // was: -2
begin
{ copy higher transforms down }
MainTriangles[i] := MainTriangles[i + 1];
cp.xform[i].Assign(cp.xform[i + 1]);
end;
end;
Dec(Transforms);
assert(cp.xform[transforms].density = 0); // cp.xform[transforms].density := 0;
end;
UpdateXformsList;
UpdateFlame(True);
end;
function TEditForm.InsideTriangle(x, y: double): integer;
var
i, j, k: integer;
inside: boolean;
begin
{ is x, y inside a triangle }
Result := -1;
inside := False;
j := 2;
for k := LastTriangle downto 0 do
begin
for i := 0 to 2 do
begin
if (((MainTriangles[k].y[i] <= y) and
(y < MainTriangles[k].y[j])) or
((MainTriangles[k].y[j] <= y) and
(y < MainTriangles[k].y[i]))) and
(x < (MainTriangles[k].x[j] - MainTriangles[k].x[i]) *
(y - MainTriangles[k].y[i]) /
(MainTriangles[k].y[j] - MainTriangles[k].y[i]) +
MainTriangles[k].x[i]) then
Inside := not Inside;
j := i
end;
if inside then break;
end;
if inside then Result := k;
end;
function TEditForm.GetTriangleColor(n: integer): TColor;
begin
if n = Transforms then Result := clWhite
else
if UseTransformColors then
Result := ColorValToColor(MainCp.cmap, cp.xform[n].color)
else Result := TrgColors[n mod 14];
end;
function TEditForm.LastTriangle: integer;
begin
if EnableFinalXform or cp.HasFinalXForm then Result := Transforms
else Result := Transforms-1;
end;
procedure TEditForm.TriangleViewPaint(Sender: TObject);
const
foc_ofs = 4;
foc_size = 32;
var
ix, iy, sc: double;
function ToScreen(fx, fy: double): TPoint;
begin
Result.x := integer(round(ix + (fx - gCenterX) * sc));
Result.y := integer(round(iy - (fy - gCenterY) * sc));
end;
var
dx, dy: double;
Width, Height: integer;
BitMap: TBitMap;
procedure LineDxDy;
var
k: double;
begin
if (dx <> 0) and (dy <> 0) then with Bitmap.Canvas do
begin
k := dy / dx;
if abs(k) < 1 then begin
MoveTo(0, round(iy - sc*(Pivot.y - ( ix/sc-GCenterX+Pivot.x)*k - GCenterY)));
LineTo(Width, round(iy - sc*(Pivot.y - (-ix/sc-GCenterX+Pivot.x)*k - GCenterY)));
end
else begin
MoveTo(round(ix + sc*(Pivot.x - (-iy/sc-GCenterY+Pivot.y)/k - GCenterX)), 0);
LineTo(round(ix + sc*(Pivot.x - ( iy/sc-GCenterY+Pivot.y)/k - GCenterX)), Height);
end;
end;
end;
var
a, b, c: TPoint;
e, f: TPoint;
procedure DrawWidgets;
var
i: integer;
begin
with Bitmap.Canvas do
with MainTriangles[SelectedTriangle] do
begin
for i := 0 to 3 do
begin
a:=toscreen(Widgets[i][0].x, Widgets[i][0].y);
b:=toscreen(Widgets[i][1].x, Widgets[i][1].y);
c:=toscreen(Widgets[i][2].x, Widgets[i][2].y);
moveto(a.x, a.y);
lineto(b.x, b.y);
lineto(c.x, c.y);
end
end;
end;
var
i, n, tc, tn: integer;
d, d1: double;
tx, ty: double;
ax, ay: integer;
gridX1, gridX2, gridY1, gridY2, gi, gstep: double;
gp: TRoundToRange;
tps: TPenStyle;
tT: TTriangle;
txx, txy, tyx, tyy: double;
label DrawCorner;
begin
if (SelectedTriangle < 0) then begin
assert(false, 'Selected triangle < 0');
SelectedTriangle := 0;
end;
assert(TCustomDrawControl(Sender) = TriangleView);
if SelectedTriangle > LastTriangle then SelectedTriangle := LastTriangle;
BitMap := TBitMap.Create;
Width := TriangleView.Width;
Height := TriangleView.Height;
Bitmap.Width := Width;
Bitmap.Height := Height;
ix := Width / 2;
iy := Height / 2;
sc := 50 * GraphZoom;
try
with Bitmap.Canvas do
begin
brush.Color := EditorBkgColor;
FillRect(Rect(0, 0, Width, Height));
Pen.Style := psSolid;
Pen.Width := 1;
// draw grid
Pen.Color := GridColor2;
gridX1:=gCenterX-ix/sc;
gridX2:=gCenterX+(Width-ix)/sc;
gridY1:=gCenterY-iy/sc;
gridY2:=gCenterY+(Height-iy)/sc;
try // who knows... ;)
gp:=round(log10(max(Width, Height)/sc))-1;
gstep:=power(10.0, gp);
except
gp:=0;
gstep:=1.0;
end;
gi:=RoundTo(gridX1, gp);
while gi <= gridX2 do
begin
ax:=integer(round(ix + (gi - gCenterX)*sc));
MoveTo(ax, 0);
LineTo(ax, Height);
gi:=gi+gstep;
end;
gi:=RoundTo(gridY1, gp);
while gi <= gridY2 do
begin
ay:=integer(round(iy - (gi - gCenterY)*sc));
MoveTo(0, ay);
LineTo(Width, ay);
gi:=gi+gstep;
end;
// draw axis
Pen.Color := GridColor1;
ax := integer(round(ix - gCenterX*sc));
ay := integer(round(iy + gCentery*sc));
MoveTo(ax, 0);
LineTo(ax, Height-1);
MoveTo(0, ay);
LineTo(Width-1, ay);
{Reference Triangle}
Pen.Style := psDot;
Pen.color := ReferenceTriangleColor;
brush.Color := gridColor1 shr 1 and $7f7f7f;
a := ToScreen(MainTriangles[-1].x[0], MainTriangles[-1].y[0]);
b := ToScreen(MainTriangles[-1].x[1], MainTriangles[-1].y[1]);
c := ToScreen(MainTriangles[-1].x[2], MainTriangles[-1].y[2]);
Polyline([a, b, c, a]);
brush.Color := EditorBkgColor;
Font.color := Pen.color;
TextOut(c.x-9, c.y-12, 'Y');
TextOut(a.x+2, a.y+1, 'X');
TextOut(b.x-8, b.y+1, 'O');
Pen.Style := psSolid;
// Draw Triangles
for i := 0 to LastTriangle do
begin
if i <> SelectedTriangle then Pen.Style := psDot;
with cp.xform[i] do // draw post-triangle
if postXswap or
((ShowAllXforms or (i = SelectedTriangle)) and (
(p[0,0]<>1) or (p[0,1]<>0) or
(p[1,0]<>0) or (p[1,1]<>1) or
(p[2,0]<>0) or (p[2,1]<>0) )) then
begin
Pen.Color := GetTriangleColor(i) shr 1 and $7f7f7f;
tps := Pen.Style;
Pen.Style := psDot;
cp.GetPostTriangle(tT, i);
txx := tT.x[0] - tT.x[1];
txy := tT.y[0] - tT.y[1];
tyx := tT.x[2] - tT.x[1];
tyy := tT.y[2] - tT.y[1];
a := ToScreen(tT.x[1] + txx + tyx, tT.y[1] + txy + tyy);
b := ToScreen(tT.x[1] - txx + tyx, tT.y[1] - txy + tyy);
e := ToScreen(tT.x[1] + txx - tyx, tT.y[1] + txy - tyy);
f := ToScreen(tT.x[1] - txx - tyx, tT.y[1] - txy - tyy);
Polyline([a, b, f, e, a]);
pen.Style := psSolid;
a := ToScreen(tT.x[1] - txx, tT.y[1] - txy);
b := ToScreen(tT.x[1] + txx, tT.y[1] + txy);
e := ToScreen(tT.x[1] + tyx, tT.y[1] + tyy);
f := ToScreen(tT.x[1] - tyx, tT.y[1] - tyy);
Polyline([a, b, e, f]);
if postXswap and ((i = SelectedTriangle) or ShowAllXforms) then
begin
Pen.Style := psDot;
cp.GetTriangle(tT, i);
a:=toscreen(tT.x[0], tT.y[0]);
moveto(a.x, a.y);
b:=toscreen(tT.x[2], tT.y[2]);
lineto(b.x, b.y);
pen.Style := psSolid;
b:=toscreen(tT.x[1], tT.y[1]);
lineto(b.x, b.y);
lineto(a.x, a.y);
end;
Pen.Style := tps;
end;
Pen.Color := GetTriangleColor(i);
a := ToScreen(MainTriangles[i].x[0], MainTriangles[i].y[0]);
b := ToScreen(MainTriangles[i].x[1], MainTriangles[i].y[1]);
c := ToScreen(MainTriangles[i].x[2], MainTriangles[i].y[2]);
if pen.Style <> psSolid then
Polyline([a, b, c, a])
else begin
Polyline([a, b, c]);
Pen.Style := psDot;
brush.Color := pen.color shr 1 and $7f7f7f;
Polyline([c, a]);
brush.Color := EditorBkgColor;
end;
Pen.Style := psSolid;
Ellipse(a.x - 4, a.y - 4, a.x + 4, a.y + 4);
Ellipse(b.x - 4, b.y - 4, b.x + 4, b.y + 4);
Ellipse(c.x - 4, c.y - 4, c.x + 4, c.y + 4);
Font.color := Pen.color;
TextOut(c.x+2, c.y+1, 'Y');
TextOut(a.x+2, a.y+1, 'X');
TextOut(b.x+2, b.y+1, 'O');
end;
UpdateWidgets;
if ExtendedEdit then begin
n := GetTriangleColor(SelectedTriangle);// shr 1 and $7f7f7f;
if mouseOverTriangle <> SelectedTriangle then n := n shr 1 and $7f7f7f;
Pen.Color := n;
Pen.Mode := pmMerge;
DrawWidgets;
if mouseOverWidget >= 0 then
begin
pen.Color := pen.Color shr 1 and $7f7f7f;
pen.Width := 4;
DrawWidgets;
pen.Width := 1;
end;
end;
if showVarPreview then
begin
assert(trkVarPreviewRange.position > 0);
assert(trkVarPreviewDensity.position > 0);
cp.xform[SelectedTriangle].prepare;
n := trkVarPreviewRange.position * trkVarPreviewDensity.position * 5;
d1 := trkVarPreviewDensity.position * 5;
tc := GetTriangleColor(SelectedTriangle);
for ax := -n to n do
for ay := -n to n do
try
tx := ax / d1;
ty := ay / d1;
for i := trkVarPreviewDepth.position downto 1 do
cp.xform[SelectedTriangle].NextPointXY(tx, ty);
a := toscreen(tx, -ty);
Pixels[a.x, a.y] := tc;
except
end;
end;
if (TriangleCaught or CornerCaught) then // if dragging, draw pivot axis
begin
mouseOverTriangle := SelectedTriangle;
if HelpersEnabled then
begin
pen.Color := HelpersColor;
pen.Mode := pmMerge;
pen.Style := psSolid;
a := ToScreen(Pivot.x, Pivot.y);
MoveTo(a.x, 0);
LineTo(a.x, Height);
MoveTo(0, a.y);
LineTo(Width, a.y);
if (editMode = modeRotate) then // draw circle
begin
if CornerCaught then begin
dx := MainTriangles[SelectedTriangle].x[SelectedCorner] - Pivot.x;
dy := MainTriangles[SelectedTriangle].y[SelectedCorner] - Pivot.y;
d := Hypot(dx, dy);
end
else begin
dx := MainTriangles[SelectedTriangle].x[0] - Pivot.x;
dy := MainTriangles[SelectedTriangle].y[0] - Pivot.y;
d := Hypot(dx, dy);
for i := 1 to 2 do
begin
d1 := dist(Pivot.x, Pivot.y, MainTriangles[SelectedTriangle].x[i], MainTriangles[SelectedTriangle].y[i]);
if d1 > d then
begin
if d > 0 then begin
dx := dx/d*d1;
dy := dy/d*d1;
end;
d := d1;
end;
end;
end;
i := integer(round(d * sc));
if i > 4 then
begin
pen.Color := HelpersColor;
brush.Style := bsClear;
Ellipse(a.x - i, a.y - i, a.x + i, a.y + i);
a := ToScreen(Pivot.x - dy, Pivot.y + dx);
b := ToScreen(Pivot.x + dy, Pivot.y - dx);
c := ToScreen(Pivot.x, Pivot.y);
MoveTo(a.x, a.y);
LineTo(c.X, c.y);
LineTo(b.X, b.y);
end;
// rotated axis
LineDxDy;
end
else if (editMode = modeScale) then // draw lines
begin
if CornerCaught then begin
dx := MainTriangles[SelectedTriangle].x[SelectedCorner] - Pivot.x;
dy := MainTriangles[SelectedTriangle].y[SelectedCorner] - Pivot.y;
LineDxDy;
end
else begin // hmmm...
dx := MainTriangles[SelectedTriangle].x[0] - Pivot.x;
dy := MainTriangles[SelectedTriangle].y[0] - Pivot.y;
LineDxDy;
dx := MainTriangles[SelectedTriangle].x[1] - Pivot.x;
dy := MainTriangles[SelectedTriangle].y[1] - Pivot.y;
LineDxDy;
dx := MainTriangles[SelectedTriangle].x[2] - Pivot.x;
dy := MainTriangles[SelectedTriangle].y[2] - Pivot.y;
LineDxDy;
end;
end
else //if editMode = modeMove then // draw target axis
begin
Pen.Color := HelpersColor;
Pen.Mode := pmMerge;//Xor;
brush.Color := 0;
if CornerCaught then
a := ToScreen(MainTriangles[SelectedTriangle].x[SelectedCorner],
MainTriangles[SelectedTriangle].y[SelectedCorner])
else
a := ToScreen(GetPivot.x, GetPivot.y);
MoveTo(a.x, 0);
LineTo(a.x, Height);
MoveTo(0, a.y);
LineTo(Width, a.y);
Pen.Mode := pmCopy;
end;
end; // endif HelpersEnabled
end;
if (mouseOverTriangle >= 0) then // highlight triangle under cursor
begin
with MainTriangles[mouseOverTriangle] do begin
a := ToScreen(x[0], y[0]);
b := ToScreen(x[1], y[1]);
c := ToScreen(x[2], y[2]);
end;
pen.Width:=2;
Pen.Color:=GetTriangleColor(mouseOverTriangle) shr 1 and $7f7f7f;
Pen.Mode:=pmMerge;
brush.Color:=Pen.Color shr 1 and $7f7f7f;
if (SelectMode and (editMode <> modePick)) or (mouseOverTriangle = SelectedTriangle) then
Polygon([a, b, c])
else
PolyLine([a, b, c, a]);
pen.width:=4;
Ellipse(a.x - 3, a.y - 3, a.x + 3, a.y + 3);
Ellipse(b.x - 3, b.y - 3, b.x + 3, b.y + 3);
Ellipse(c.x - 3, c.y - 3, c.x + 3, c.y + 3);
pen.width:=1;
pen.mode:=pmCopy;
if not (CornerCaught or TriangleCaught) then // show used variations
begin
font.Color := GetTriangleColor(mouseOverTriangle);
brush.Style := bsClear;
ay := Height-foc_ofs*2 + font.Height; // font.height < 0
for i:= NRVAR - 1 downto 0 do
if cp.xform[mouseOverTriangle].vars[i] <> 0 then
begin
ax := Width-foc_ofs*2 - TextWidth(Varnames(i));
TextOut(ax, ay, Varnames(i));
Inc(ay, font.Height);
end;
// brush.Style := bsSolid;
end;
end;
pen.color := clWhite;
if CornerCaught then // draw selected corner
begin
brush.Color:=clSilver;
a := ToScreen(MainTriangles[SelectedTriangle].x[SelectedCorner], MainTriangles[SelectedTriangle].y[SelectedCorner]);
Ellipse(a.x - 4, a.y - 4, a.x + 4, a.y + 4);
end
else if (mouseOverTriangle>=0) then
begin
if (mouseOverCorner >= 0) then // highlight corner under cursor
begin
case mouseOverCorner of
0: brush.Color:=clRed;
2: brush.Color:=clBlue;
else brush.Color:=clSilver;
end;
a := ToScreen(MainTriangles[mouseOverTriangle].x[mouseOverCorner], MainTriangles[mouseOverTriangle].y[mouseOverCorner]);
Ellipse(a.x - 4, a.y - 4, a.x + 4, a.y + 4);
// hmm... TODO: optimize
if HelpersEnabled then begin
pen.Color := HelpersColor;
pen.Mode := pmMerge;
pen.Style := psDot;
brush.Style := bsClear;
if (editMode = modeRotate) then
begin
i := integer(round(olddist * sc));
if i > 4 then begin
a := ToScreen(pivot.x, pivot.y);
Ellipse(a.x - i, a.y - i, a.x + i, a.y + i);
end;
end
else if editMode = modeScale then
begin
dx := MainTriangles[mouseOverTriangle].x[mouseOverCorner] - Pivot.x;
dy := MainTriangles[mouseOverTriangle].y[mouseOverCorner] - Pivot.y;
LineDxDy;
end;
end;
end;
if (mouseOverEdge >= 0) then // highlight edge under cursor
begin
i := (mouseOverEdge + 1) mod 3;
a := ToScreen(MainTriangles[mouseOverTriangle].x[mouseOverEdge], MainTriangles[mouseOverTriangle].y[mouseOverEdge]);
b := ToScreen(MainTriangles[mouseOverTriangle].x[i], MainTriangles[mouseOverTriangle].y[i]);
pen.Width:=5;
Pen.Color:=GetTriangleColor(mouseOverTriangle) shr 1 and $7f7f7f;
Pen.Mode:=pmMerge;
MoveTo(a.X, a.Y);
LineTo(b.X, b.Y);
pen.Mode:=pmCopy;
pen.Width:=1;
end;
end;
// draw pivot point
a := ToScreen(GetPivot.x, GetPivot.y);
Pen.Style := psSolid;
pen.Color := clWhite;
brush.Color := clSilver;
if (pivotMode = pivotLocal) or EdgeCaught then i := 2
else i := 3;
Ellipse(a.x - i, a.y - i, a.x + i, a.y + i);
if editMode = modePick then begin // hmm...
a := ToScreen(mouseOverPos.x, mouseOverPos.y);
brush.Style := bsClear;
Ellipse(a.x - i, a.y - i, a.x + i, a.y + i);
end;
if TWinControl(Sender).Focused then
begin
pen.Color := HelpersColor;
pen.Mode := pmXor;
MoveTo(foc_ofs, foc_size);
LineTo(foc_ofs, foc_ofs);
LineTo(foc_size, foc_ofs);
MoveTo(Width-1-foc_ofs, foc_size);
LineTo(Width-1-foc_ofs, foc_ofs);
LineTo(Width-1-foc_size, foc_ofs);
MoveTo(Width-1-foc_ofs, Height-1-foc_size);
LineTo(Width-1-foc_ofs, Height-1-foc_ofs);
LineTo(Width-1-foc_size, Height-1-foc_ofs);
MoveTo(foc_ofs, Height-1-foc_size);
LineTo(foc_ofs, Height-1-foc_ofs);
LineTo(foc_size, Height-1-foc_ofs);
end;
end;
TriangleView.Canvas.Draw(0, 0, Bitmap);
finally
BitMap.Free;
end;
end;
procedure TEditForm.FormCreate(Sender: TObject);
var
i: integer;
begin
// Custom control setup
TriangleView := TCustomDrawControl.Create(self);
TriangleView.TabStop := True;
TriangleView.TabOrder := 0;
TriangleView.Parent := GrphPnl;
TriangleView.Align := alClient;
TriangleView.Visible := True;
TriangleView.OnPaint := TriangleViewPaint;
TriangleView.OnDblClick := TriangleViewDblClick;
TriangleView.OnMouseDown := TriangleViewMouseDown;
TriangleView.OnMouseMove := TriangleViewMouseMove;
TriangleView.OnMouseUp := TriangleViewMouseUp;
TriangleView.OnMouseWheel := TriangleViewMouseWheel;
TriangleView.OnKeyDown := TriangleViewKeyDown;
TriangleView.OnKeyUp := TriangleViewKeyUp;
TriangleView.OnEnter := TriangleViewInvalidate;
TriangleView.OnExit := TriangleViewExit;
TriangleView.OnMouseLeave := TriangleViewmouseLeave;
for i:= 0 to NRVAR - 1 do begin
VEVars.InsertRow(Varnames(i), '0', True);
end;
for i:= 0 to GetNrVariableNames - 1 do begin
vleVariables.InsertRow(GetVariableNameAt(i), '0', True);
end;
GraphZoom := 1;
case EditPrevQual of
0: begin
mnuLowQuality.Checked := true;
PreviewDensity := prevLowQuality;
end;
1: begin
mnuMediumQuality.Checked := true;
PreviewDensity := prevMediumQuality;
end;
2: begin
mnuHighQuality.Checked := true;
PreviewDensity := prevHighQuality;
end;
end;
cp := TControlPoint.Create;
Render := TRenderer.Create;
SelectMode := true;
editMode := modeMove;
AxisLock := TransformAxisLock;
tbAxisLock.Down := AxisLock;
ExtendedEdit := ExtEditEnabled;
// tbExtendedEdit.Down := ExtendedEdit;
widgetMode := modeRotate;
// tbExtendedEdit.ImageIndex := imgExtMove;
EdgeCaught := false;
CornerCaught := false;
TriangleCaught := false;
mouseOverTriangle := -1;
mouseOverCorner := -1;
mouseOverEdge := -1;
mouseOverWidget := -1;
oldSelected := -1;
MemTriangle.x[0] := 1;
MemTriangle.y[0] := 0;
MemTriangle.x[1] := 0;
MemTriangle.y[1] := 0;
MemTriangle.x[2] := 0;
MemTriangle.y[2] := 1;
for i := 0 to NRVAR-1 do
VarsCache[i] := MinDouble;
end;
procedure TEditForm.FormDestroy(Sender: TObject);
begin
cp.free;
Render.free;
end;
procedure TEditForm.TriangleViewMouseMove(Sender: TObject; Shift: TShiftState;
X, Y: integer);
var
vx, vy, fx, fy: double;
mt, mc, me: integer;
a, t: double;
i, j: integer;
d: double;
i0, i1: integer;
dx, dy, x1, y1: double;
label FoundCorner, Skip1, Skip2;
begin
Scale(fx, fy, x, y);
StatusBar.Panels[0].Text := Format('X: %f', [fx]);
StatusBar.Panels[1].Text := Format('Y: %f', [fy]);
if viewDragMode then // graph panning
begin
viewDragged := true;
GcenterX := GcenterX - (fx - oldx);
GcenterY := GcenterY - (fy - oldy);
TriangleView.Refresh;
exit;
end;
mt:=mouseOverTriangle;
mc:=MouseOverCorner;
me:=mouseOverEdge;
if not (CornerCaught or TriangleCaught) then // look for a point under cursor
begin
mouseOverWidget := -1;
mouseOverEdge := -1;
mouseOverCorner:= -1;
mouseOverPos.x := fx;
mouseOverPos.y := fy;
if SelectMode then
begin
i0:=0;
i1:=LastTriangle;//Transforms-1;
end
else begin
i0:=SelectedTriangle;
i1:=i0;
end;
for i := i1 downto i0 do
begin
for j := 0 to 2 do // -- detect point hit first
begin
d := dist(fx, fy, MainTriangles[i].x[j], MainTriangles[i].y[j]);
if (d * GraphZoom * 50) < 4 then
begin
mouseOverTriangle := i;
mouseOverCorner := j;
// mouseOverEdge := -1;
// -- from MouseDown -- for highlighting:
// TODO: optimize...
if (j = 1) then
begin
if PivotMode = pivotLocal then begin
Pivot.x := 0;
Pivot.y := 0;
end
else Pivot := GetPivot;
LocalAxisLocked := true;
end
else begin
Pivot := GetPivot(mouseOverTriangle);
LocalAxisLocked := false;
end;
oldx := MainTriangles[mouseOverTriangle].x[j] - Pivot.X;
oldy := MainTriangles[mouseOverTriangle].y[j] - Pivot.Y;
olddist := Hypot(oldx, oldy);
// --
// -- for Pick Pivot
if editMode = modePick then
begin
mouseOverPos.x := MainTriangles[mouseOverTriangle].x[mouseOverCorner];
mouseOverPos.y := MainTriangles[mouseOverTriangle].y[mouseOverCorner];
end;
// ---
goto FoundCorner;
end;
end;
end;
if ExtendedEdit then //and (oldMode = modeNone) then
begin
for i := 0 to 3 do // -- detect 'widget' hit
for j := 0 to 1 do begin
if abs(line_dist(fx, fy, Widgets[i][j].x, Widgets[i][j].y,
Widgets[i][j+1].x, Widgets[i][j+1].y)
) * GraphZoom * 50 < 3 then
begin
mouseOverTriangle := SelectedTriangle;
mouseOverWidget := i;
// mouseOverEdge := -1;
// mouseOverCorner:= -1;
mouseOverPos.x := fx;
mouseOverPos.y := fy;
goto FoundCorner;
end;
end;
for i := i1 downto i0 do
begin
for j := 0 to 2 do // -- detect edge hit
begin
if abs(line_dist(fx, fy, MainTriangles[i].x[j], MainTriangles[i].y[j],
MainTriangles[i].x[(j+1) mod 3], MainTriangles[i].y[(j+1) mod 3])
) * GraphZoom * 50 < 3 then
begin
mouseOverTriangle:=i;
mouseOverEdge := j;
// mouseOverCorner:= -1;
mouseOverPos.x := fx;
mouseOverPos.y := fy;
goto FoundCorner;
end;
end;
end;
end;
i := InsideTriangle(fx, fy);
if i >= 0 then mouseOverTriangle:=i
else mouseOverTriangle:=-1;
FoundCorner:
end;
if (mouseOverTriangle >= 0) or (SelectMode = false) or (oldMode <> modeNone) then
begin
if (mouseOverWidget >= 0) and (oldMode = modeNone) then
TriangleView.Cursor := crEditRotate
else
if (mouseOverEdge >= 0) and (oldMode = modeNone) then begin // kinda hack, not good...
if mouseOverEdge = 2 then
TriangleView.Cursor := crEditScale
else
TriangleView.Cursor := crEditRotate;
end
else
case editMode of
modeMove:
TriangleView.Cursor := crEditMove;
modeRotate:
TriangleView.Cursor := crEditRotate;
modeScale:
TriangleView.Cursor := crEditScale;
modePick:
TriangleView.Cursor := crEditArrow;
end
end
else
TriangleView.Cursor := crEditArrow; //crDefault;
Shift := Shift - [ssLeft];
if CornerCaught then // Modify a point ///////////////////////////////////////
begin
if (editMode = modeRotate) then // rotate point
begin // rotate point around pivot
d := dist(Pivot.X, Pivot.Y, fx, fy);
if d<>0 then begin
if ssShift in Shift then // angle snap
begin
try
t := StrToFloat(txtTrgRotateValue.Text)/180*PI;
//assert(t<>0);
except
t := 15.0*PI/180.0;
txtTrgRotateValue.Text := '15';
end;
if t = 0 then goto Skip1; //?
a := Round(arctan2(fy-Pivot.Y, fx-Pivot.X)/t)*t;
vx := olddist*cos(a);
vy := olddist*sin(a);
end
else begin
Skip1:
vx := (fx-Pivot.X)*olddist/d;
vy := (fy-Pivot.Y)*olddist/d;
a := arctan2(vy,vx) - arctan2(oldy,oldx);
end;
if LocalAxisLocked then with MainTriangles[SelectedTriangle] do
begin
assert(SelectedCorner = 1);
x[0] := OldTriangle.x[0] + Pivot.X+vx - OldTriangle.x[1];
y[0] := OldTriangle.y[0] + Pivot.Y+vy - OldTriangle.y[1];
x[2] := OldTriangle.x[2] + Pivot.X+vx - OldTriangle.x[1];
y[2] := OldTriangle.y[2] + Pivot.Y+vy - OldTriangle.y[1];
end;
MainTriangles[SelectedTriangle].x[SelectedCorner] := Pivot.X+vx;
MainTriangles[SelectedTriangle].y[SelectedCorner] := Pivot.Y+vy;
end
else a := 0;
vy := abs(
arctan2(MainTriangles[SelectedTriangle].y[0]-MainTriangles[SelectedTriangle].y[1],
MainTriangles[SelectedTriangle].x[0]-MainTriangles[SelectedTriangle].x[1])
-arctan2(MainTriangles[SelectedTriangle].y[2]-MainTriangles[SelectedTriangle].y[1],
MainTriangles[SelectedTriangle].x[2]-MainTriangles[SelectedTriangle].x[1])
);
if vy > PI then vy := 2*PI - vy;
StatusBar.Panels[2].Text := Format('Rotate: %3.2f<EFBFBD> <ABC: %3.2f<EFBFBD>', [a*180/PI, vy*180/PI]);
end
else if (editMode = modeScale) then
begin // move point along vector ("scale")
if olddist<>0 then begin
d := (oldx*(fx-Pivot.X) + oldy*(fy-Pivot.Y))/olddist;
if ssShift in Shift then // 'snapped' scale
begin
try // use move-value for 'scaling' point:
t := abs(StrToFloat(txtTrgMoveValue.Text));
//assert(t<>0);
except
t := 0.1;
txtTrgMoveValue.Text := '0.1';
end;
if t <> 0 then d := Trunc(d/t)*t;
end;
vx := oldx*d/olddist;
vy := oldy*d/olddist;
if LocalAxisLocked then with MainTriangles[SelectedTriangle] do
begin
assert(SelectedCorner = 1);
x[0] := OldTriangle.x[0] + Pivot.X+vx - OldTriangle.x[1];
y[0] := OldTriangle.y[0] + Pivot.Y+vy - OldTriangle.y[1];
x[2] := OldTriangle.x[2] + Pivot.X+vx - OldTriangle.x[1];
y[2] := OldTriangle.y[2] + Pivot.Y+vy - OldTriangle.y[1];
end;
MainTriangles[SelectedTriangle].x[SelectedCorner] := Pivot.X + vx;
MainTriangles[SelectedTriangle].y[SelectedCorner] := Pivot.Y + vy;
StatusBar.Panels[2].Text := Format('Distance: %3.3f Scale: %3.2f%%',
[Hypot(vx, vy), d*100/olddist]);
end
else begin
MainTriangles[SelectedTriangle].x[SelectedCorner] := Pivot.X;
MainTriangles[SelectedTriangle].y[SelectedCorner] := Pivot.Y;
end;
end
else begin // snap/move
if ssShift in Shift then // snap to axis
begin
if abs(fx-Pivot.X) > abs(fy-Pivot.Y) then begin
vx := fx;
vy := Pivot.Y;
end
else begin
vx := Pivot.x;
vy := fy;
end;
end
else begin // just move
vx := fx;
vy := fy;
end;
if (SelectedCorner = 1) and AxisLock then with MainTriangles[SelectedTriangle] do
begin
x[0] := OldTriangle.x[0] + (vx - OldTriangle.x[1]);
y[0] := OldTriangle.y[0] + (vy - OldTriangle.y[1]);
x[2] := OldTriangle.x[2] + (vx - OldTriangle.x[1]);
y[2] := OldTriangle.y[2] + (vy - OldTriangle.y[1]);
end;
MainTriangles[SelectedTriangle].x[SelectedCorner] := vx;
MainTriangles[SelectedTriangle].y[SelectedCorner] := vy;
StatusBar.Panels[2].Text := Format('Move: %3.3f ; %3.3f', [vx-(Pivot.X+oldx), vy-(Pivot.Y+oldy)]);
end;
// --
HasChanged := True;
UpdateFlameX;
// UpdateFlame(False);
StatusBar.Refresh;
exit;
end
else if TriangleCaught then // Modify a whole triangle ///////////////////////
begin
if (editMode = modeRotate) then // rotate triangle
begin
a := arctan2(fy-Pivot.Y, fx-Pivot.X) - arctan2(oldy, oldx);
if ssShift in Shift then // angle snap
begin
try
t := StrToFloat(txtTrgRotateValue.Text)/180*PI;
//assert(t<>0);
except
t := 15.0*PI/180.0;
txtTrgRotateValue.Text := '15';
end;
if t = 0 then goto Skip2;
a := Round(a/t)*t
end;
Skip2:
MainTriangles[SelectedTriangle] :=
RotateTrianglePoint(OldTriangle, Pivot.X, Pivot.Y, a);
vx := MainTriangles[SelectedTriangle].x[0]-MainTriangles[SelectedTriangle].x[1];
vy := MainTriangles[SelectedTriangle].y[0]-MainTriangles[SelectedTriangle].y[1];
if abs(vx*(MainTriangles[SelectedTriangle].x[2]-MainTriangles[SelectedTriangle].x[1])+
vy*(MainTriangles[SelectedTriangle].y[2]-MainTriangles[SelectedTriangle].y[1])) < 0.001
then
StatusBar.Panels[2].Text := Format('Rotate: %3.2f<EFBFBD> Local axis: %3.2f<EFBFBD>', [a*180/PI, arctan2(vy, vx)*180/PI])
else StatusBar.Panels[2].Text := Format('Rotate: %3.2f<EFBFBD>', [a*180/PI]);
end
else if (editMode = modeScale) then // scale
begin
if olddist<>0 then begin
vy := (oldx*(fx-Pivot.X) + oldy*(fy-Pivot.Y))/sqr(olddist);
if ssShift in Shift then // 'snapped' scale
begin
try
t := abs(StrToFloat(txtTrgScaleValue.Text)/100.0 - 1.0);
//assert(t<>0);
except
t := 0.1;
txtTrgRotateValue.Text := '0.1';
end;
if t <> 0 then vy := Trunc(vy/t)*t;
end;
MainTriangles[SelectedTriangle] :=
ScaleTrianglePoint(OldTriangle, Pivot.X, Pivot.Y, vy);
StatusBar.Panels[2].Text := Format('Scale: %3.2f%%', [vy*100]);
end
else MainTriangles[SelectedTriangle] := OldTriangle;
end
else begin // snap/move
vx := fx - (Pivot.x + oldx);
vy := fy - (Pivot.y + oldy);
if ssShift in Shift then // snap to axis
begin
if abs(vx) > abs(vy) then vy := 0
else vx := 0;
end;
with MainTriangles[SelectedTriangle] do
begin
x[0] := OldTriangle.x[0] + vx;
y[0] := OldTriangle.y[0] + vy;
x[1] := OldTriangle.x[1] + vx;
y[1] := OldTriangle.y[1] + vy;
x[2] := OldTriangle.x[2] + vx;
y[2] := OldTriangle.y[2] + vy;
end;
StatusBar.Panels[2].Text := Format('Move: %3.3f ; %3.3f', [vx, vy]);
end;
HasChanged := True;
UpdateFlameX;
// UpdateFlame(False);
StatusBar.Refresh;
exit;
end;
if ((mt <> mouseOverTriangle) or (mc <> MouseOverCorner) or (me <> MouseOverEdge)) then
begin
if (mouseOverTriangle >= 0) then
StatusBar.Panels[2].Text := Format('Transform #%d', [mouseOverTriangle+1])
else StatusBar.Panels[2].Text := '';
TriangleView.Refresh;
end
else if editMode = modePick then TriangleView.Refresh; // hmm...
end;
procedure TEditForm.TriangleViewMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: integer);
var
d, fx, fy: double;
i, j: integer;
i0, i1: integer;
label
FoundTriangle;
begin
TWinControl(Sender).SetFocus;
viewDragged := false;
Scale(fx, fy, x, y);
if Button = mbLeft then
begin
if editMode = modePick then
begin
if (mouseOverCorner >= 0) then // snap to point
begin
fx := MainTriangles[mouseOverTriangle].x[mouseOverCorner];
fy := MainTriangles[mouseOverTriangle].y[mouseOverCorner];
end;
if PivotMode = pivotLocal then
with MainTriangles[SelectedTriangle] do begin
// xx := x[0] - x[1];
// xy := y[0] - y[1];
// yx := x[2] - x[1];
// yy := y[2] - y[1];
d := (xx*yy - yx*xy);
if d <> 0 then
begin
LocalPivot.x := ( (fx - x[1]) * yy - (fy - y[1]) * yx) / d;
LocalPivot.y := (-(fx - x[1]) * xy + (fy - y[1]) * xx) / d;
end
end
else begin
WorldPivot.x := fx;
WorldPivot.y := fy;
end;
editMode := oldMode;
oldMode := modeNone;
btnPickPivot.Down := false;
ShowSelectedInfo;
TriangleView.Invalidate;
exit;
end;
Shift := Shift - [ssLeft];
if SelectMode then
begin
i0:=0;
i1:=LastTriangle;
end
else begin // Only check selected triangle
i0:=SelectedTriangle;
i1:=i0;
end;
oldSelected := SelectedTriangle;
for i := i1 downto i0 do
begin
for j := 0 to 2 do // detect corner hit
begin
d := dist(fx, fy, MainTriangles[i].x[j], MainTriangles[i].y[j]);
if (d * GraphZoom * 50) < 4 then
begin
SelectedTriangle := i;
CornerCaught := True;
SelectedCorner := j;
// Pivot := GetPivot;
if (j = 1) then //and ((rgPivot.ItemIndex = 1) or (rgPivot.ItemIndex = 4)) then
begin
if PivotMode = pivotLocal then begin
Pivot.x := 0;
Pivot.y := 0;
end
else Pivot := GetPivot;
LocalAxisLocked := true;
end
else begin
Pivot := GetPivot;
LocalAxisLocked := false;
end;
OldTriangle := MainTriangles[SelectedTriangle];
oldx := MainTriangles[SelectedTriangle].x[j] - Pivot.X;
oldy := MainTriangles[SelectedTriangle].y[j] - Pivot.Y;
olddist := sqrt(sqr(oldx) + sqr(oldy));
HasChanged := false;
ShowSelectedInfo;
TriangleView.Invalidate;
exit;
end;
end;
end;
if ExtendedEdit then //and (oldMode = modeNone) then
begin
for i := 0 to 3 do // -- detect 'widget' hit
for j := 0 to 1 do
begin
if abs(line_dist(fx, fy, Widgets[i][j].x, Widgets[i][j].y,
Widgets[i][j+1].x, Widgets[i][j+1].y)
) * GraphZoom * 50 < 3 then
begin
// modeHack := true;
if (oldMode = modeNone) then
begin
modeHack := true;
oldMode := editMode;
editMode := modeRotate;
end;
goto FoundTriangle;
end;
end;
for i := i1 downto i0 do
begin
for j := 0 to 2 do // -- detect edge hit
begin
if abs(line_dist(fx, fy, MainTriangles[i].x[j], MainTriangles[i].y[j],
MainTriangles[i].x[(j+1) mod 3], MainTriangles[i].y[(j+1) mod 3])
) * GraphZoom * 50 < 3 then
begin
SelectedTriangle := i;
EdgeCaught := true;
// modeHack := true;
if (oldMode = modeNone) then
begin
modeHack := true;
oldMode := editMode;
if j = 2 then
editMode := modeScale
else
if AxisLock then editMode := modeRotate
else
begin
// hacky...
CornerCaught := True;
editMode := modeRotate;
if j = 1 then SelectedCorner := 2
else SelectedCorner := 0;
Pivot := GetPivot;
LocalAxisLocked := false;
OldTriangle := MainTriangles[SelectedTriangle];
oldx := MainTriangles[SelectedTriangle].x[SelectedCorner] - Pivot.X;
oldy := MainTriangles[SelectedTriangle].y[SelectedCorner] - Pivot.Y;
olddist := sqrt(sqr(oldx) + sqr(oldy));
HasChanged := false;
ShowSelectedInfo;
TriangleView.Invalidate;
exit;
end;
end;
goto FoundTriangle;
end;
end;
end;
end;
// so user hasn't selected any corners,
// let's check for triangles then!
if SelectMode then
begin
i := InsideTriangle(fx, fy);
if i >= 0 then SelectedTriangle := i
else
if (oldMode = modeNone) and not(ssShift in Shift) then exit;
end;
FoundTriangle:
TriangleCaught := True;
OldTriangle := MainTriangles[SelectedTriangle];
//MainForm.UpdateUndo;
HasChanged := false;
Pivot := GetPivot;
oldx := fx-Pivot.X;
oldy := fy-Pivot.Y;
olddist := sqrt(oldx*oldx + oldy*oldy);
ShowSelectedInfo;
TriangleView.Invalidate;
exit;
end
else if (Button = mbRight) and
not (TriangleCaught or CornerCaught) then // graph panning
begin
SetCaptureControl(TriangleView);
Screen.Cursor := crSizeAll;
viewDragMode := true;
oldx := fx;
oldY := fy;
end;
end;
procedure TEditForm.TriangleViewMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: integer);
begin
if Button = mbLeft then
begin
if modeHack then begin
assert(oldMode <> modeNone);
editMode := oldMode;
oldMode := modeNone;
modeHack := false;
end;
if HasChanged then
begin
MainForm.UpdateUndo;
UpdateFlame(true);
HasChanged := False;
end;
EdgeCaught := false;
CornerCaught := false;
TriangleCaught := false;
TriangleView.Invalidate;
end
else if (Button = mbRight) and viewDragMode then
begin
viewDragMode := false;
Screen.Cursor := crDefault;
SetCaptureControl(nil);
if viewDragged = false then // haven't dragged - popup menu then
begin
GetCursorPos(mousepos); // hmmm
if mouseOverTriangle < 0 then
EditPopup.Popup(mousepos.x, mousepos.y)
else begin
SelectedTriangle := mouseOverTriangle;
cbTransforms.ItemIndex := SelectedTriangle;
TriangleView.Refresh;
TrianglePopup.Popup(mousepos.x, mousepos.y)
end;
end
else viewDragged := false;
end
end;
procedure TEditForm.FormShow(Sender: TObject);
var
Registry: TRegistry;
begin
Registry := TRegistry.Create;
try
Registry.RootKey := HKEY_CURRENT_USER;
if Registry.OpenKey('Software\' + APP_NAME + '\Forms\Editor', False) then
begin
{ Size and position }
if Registry.ValueExists('Left') then
EditForm.Left := Registry.ReadInteger('Left');
if Registry.ValueExists('Top') then
EditForm.Top := Registry.ReadInteger('Top');
if Registry.ValueExists('Width') then
EditForm.Width := Registry.ReadInteger('Width');
if Registry.ValueExists('Height') then
EditForm.Height := Registry.ReadInteger('Height');
if Registry.ValueExists('ResetLocation') then
mnuResetLoc.checked := Registry.ReadBool('ResetLocation')
else
mnuResetLoc.checked := false;
if Registry.ValueExists('HelpersEnabled') then
HelpersEnabled := Registry.ReadBool('HelpersEnabled')
else
HelpersEnabled := true;
if Registry.ValueExists('VariationPreview') then
begin
showVarPreview := Registry.ReadBool('VariationPreview');
tbVarPreview.Down := showVarPreview;
end
else begin
showVarPreview := false;
tbVarPreview.Down := false;
end;
if Registry.ValueExists('VariationPreviewRange') then
trkVarPreviewRange.Position := Registry.ReadInteger('VariationPreviewRange');
if Registry.ValueExists('VariationPreviewDensity') then
trkVarPreviewDensity.Position := Registry.ReadInteger('VariationPreviewDensity');
if Registry.ValueExists('VariationPreviewDepth') then
trkVarPreviewDepth.Position := Registry.ReadInteger('VariationPreviewDepth');
end
else begin
UseFlameBackground := False;
mnuResetLoc.checked := false;
end;
Registry.CloseKey;
finally
Registry.Free;
end;
// chkUseXFormColor.checked := UseTransformColors;
// chkHelpers.Checked := HelpersEnabled;
if ExtendedEdit then tbExtendedEdit.Down := true
else tbMove.Down := true;
UpdateDisplay;
end;
procedure TEditForm.mnuDeleteClick(Sender: TObject);
begin
if (SelectedTriangle >= 0) then DeleteTriangle(SelectedTriangle);
end;
procedure TEditForm.mnuAddClick(Sender: TObject);
begin
if Transforms < NXFORMS then
begin
MainForm.UpdateUndo;
MainTriangles[Transforms+1] := MainTriangles[Transforms];
cp.xform[Transforms+1].Assign(cp.xform[Transforms]);
MainTriangles[Transforms] := MainTriangles[-1];
SelectedTriangle := Transforms;
cp.xform[Transforms].Clear;
cp.xform[Transforms].density := 0.5;
cp.xform[Transforms].vars[0] := 1;
// for i := 1 to NRVAR - 1 do cp.xform[Transforms].vars[i] := 0;
Inc(Transforms);
UpdateXformsList;
UpdateFlame(True);
end;
end;
procedure TEditForm.mnuDupClick(Sender: TObject);
begin
if Transforms < NXFORMS then
begin
MainForm.UpdateUndo;
MainTriangles[Transforms+1] := MainTriangles[Transforms];
cp.xform[Transforms+1].Assign(cp.xform[Transforms]);
if SelectedTriangle <> Transforms then
begin
MainTriangles[Transforms] := MainTriangles[SelectedTriangle];
cp.xform[Transforms].Assign(cp.xform[SelectedTriangle]);
SelectedTriangle := Transforms;
end
else cp.xform[Transforms].density := 0.5;
Inc(Transforms);
UpdateXformsList;
UpdateFlame(True);
end;
end;
procedure TEditForm.mnuAutoZoomClick(Sender: TObject);
begin
AutoZoom;
end;
procedure TEditForm.btnCloseClick(Sender: TObject);
begin
EditForm.Close;
end;
procedure TEditForm.FormResize(Sender: TObject);
begin
AutoZoom;
end;
procedure TEditForm.CornerEditExit(Sender: TObject);
var
Allow: boolean;
OldText: string;
Val: string;
begin
Allow := True;
if Sender = txtAx then
Val := Format('%.6f', [MainTriangles[SelectedTriangle].x[0]])
else if Sender = txtAy then
Val := Format('%.6f', [MainTriangles[SelectedTriangle].y[0]])
else if Sender = txtBx then
Val := Format('%.6f', [MainTriangles[SelectedTriangle].x[1]])
else if Sender = txtBy then
Val := Format('%.6f', [MainTriangles[SelectedTriangle].y[1]])
else if Sender = txtCx then
Val := Format('%.6f', [MainTriangles[SelectedTriangle].x[2]])
else if Sender = txtCy then
Val := Format('%.6f', [MainTriangles[SelectedTriangle].y[2]])
else if Sender = txtP then
if SelectedTriangle < Transforms then
val := Format('%.6f', [cp.xform[SelectedTriangle].density]);
OldText := Val;
{ Test that it's a valid floating point number }
try
StrToFloat(TEdit(Sender).Text);
except on Exception do
begin
{ It's not, so we restore the old value }
TEdit(Sender).Text := OldText;
Allow := False;
end;
end;
{ If it's not the same as the old value and it was valid }
if (val <> TEdit(Sender).Text) and Allow then
begin
if Sender = txtAx then
MainTriangles[SelectedTriangle].x[0] := StrToFloat(TEdit(Sender).Text)
else if Sender = txtAy then
MainTriangles[SelectedTriangle].y[0] := StrToFloat(TEdit(Sender).Text)
else if Sender = txtBx then
MainTriangles[SelectedTriangle].x[1] := StrToFloat(TEdit(Sender).Text)
else if Sender = txtBy then
MainTriangles[SelectedTriangle].y[1] := StrToFloat(TEdit(Sender).Text)
else if Sender = txtCx then
MainTriangles[SelectedTriangle].x[2] := StrToFloat(TEdit(Sender).Text)
else if Sender = txtCy then
MainTriangles[SelectedTriangle].y[2] := StrToFloat(TEdit(Sender).Text)
else if Sender = txtP then
begin
cp.xform[SelectedTriangle].density := StrToFloat(TEdit(Sender).Text);
//ReadjustWeights(cp);
TEdit(Sender).Text := Format('%.6g', [cp.xform[SelectedTriangle].density]);
end;
MainForm.UpdateUndo;
UpdateFlame(True);
end;
end;
procedure TEditForm.CornerEditKeyPress(Sender: TObject; var Key: Char);
var
Allow: boolean;
OldText: string;
Val: string;
begin
if key = #13 then
begin
Allow := True;
if Sender = txtAx then
Val := Format('%.6f', [MainTriangles[SelectedTriangle].x[0]])
else if Sender = txtAy then
Val := Format('%.6f', [MainTriangles[SelectedTriangle].y[0]])
else if Sender = txtBx then
Val := Format('%.6f', [MainTriangles[SelectedTriangle].x[1]])
else if Sender = txtBy then
Val := Format('%.6f', [MainTriangles[SelectedTriangle].y[1]])
else if Sender = txtCx then
Val := Format('%.6f', [MainTriangles[SelectedTriangle].x[2]])
else if Sender = txtCy then
Val := Format('%.6f', [MainTriangles[SelectedTriangle].y[2]])
else if Sender = txtP then
val := Format('%.6f', [cp.xform[SelectedTriangle].density]);
OldText := Val;
{ Stop the beep }
Key := #0;
{ Test that it's a valid floating point number }
try
StrToFloat(TEdit(Sender).Text);
except on Exception do
begin
{ It's not, so we restore the old value }
TEdit(Sender).Text := OldText;
Allow := False;
end;
end;
{ If it's not the same as the old value and it was valid }
if (val <> TEdit(Sender).Text) and Allow then
begin
if Sender = txtAx then
MainTriangles[SelectedTriangle].x[0] := StrToFloat(TEdit(Sender).Text)
else if Sender = txtAy then
MainTriangles[SelectedTriangle].y[0] := StrToFloat(TEdit(Sender).Text)
else if Sender = txtBx then
MainTriangles[SelectedTriangle].x[1] := StrToFloat(TEdit(Sender).Text)
else if Sender = txtBy then
MainTriangles[SelectedTriangle].y[1] := StrToFloat(TEdit(Sender).Text)
else if Sender = txtCx then
MainTriangles[SelectedTriangle].x[2] := StrToFloat(TEdit(Sender).Text)
else if Sender = txtCy then
MainTriangles[SelectedTriangle].y[2] := StrToFloat(TEdit(Sender).Text)
else if Sender = txtP then
begin
cp.xform[SelectedTriangle].density := StrToFloat(TEdit(Sender).Text);
//ReadjustWeights(cp);
TEdit(Sender).Text := Format('%.6g', [cp.xform[SelectedTriangle].density]);
end;
MainForm.UpdateUndo;
UpdateFlame(True);
end;
end;
end;
{ ************************* Probability input ******************************** }
procedure TEditForm.txtPKeyPress(Sender: TObject; var Key: Char);
var
Allow: boolean;
NewVal, OldVal: double;
begin
if SelectedTriangle >= Transforms then key := #0;
if key = #13 then
begin
{ Stop the beep }
Key := #0;
Allow := True;
OldVal := Round6(cp.xform[SelectedTriangle].density);
{ Test that it's a valid floating point number }
try
StrToFloat(TEdit(Sender).Text);
except on Exception do
begin
{ It's not, so we restore the old value }
TEdit(Sender).Text := Format('%.6g', [OldVal]);
Allow := False;
end;
end;
NewVal := Round6(StrToFloat(TEdit(Sender).Text));
if NewVal < 0.000001 then NewVal := 0.000001;
if NewVal > 100 then NewVal := 100;
{ If it's not the same as the old value and it was valid }
TEdit(Sender).Text := Format('%.6g', [NewVal]);
if (OldVal <> NewVal) and Allow then
begin
MainForm.UpdateUndo;
cp.xform[SelectedTriangle].density := NewVal;
//ReadjustWeights(cp);
UpdateFlame(True);
end;
end;
end;
procedure TEditForm.txtPExit(Sender: TObject);
var
Allow: boolean;
NewVal, OldVal: double;
begin
Allow := True;
OldVal := Round6(cp.xform[SelectedTriangle].density);
{ Test that it's a valid floating point number }
try
StrToFloat(TEdit(Sender).Text);
except on Exception do
begin
{ It's not, so we restore the old value }
TEdit(Sender).Text := Format('%.6g', [OldVal]);
Allow := False;
end;
end;
NewVal := Round6(StrToFloat(TEdit(Sender).Text));
if NewVal < 0.000001 then NewVal := 0.000001;
if NewVal > 100 then NewVal := 100;
{ If it's not the same as the old value and it was valid }
TEdit(Sender).Text := Format('%.6g', [NewVal]);
if (OldVal <> NewVal) and Allow then
begin
MainForm.UpdateUndo;
cp.xform[SelectedTriangle].density := NewVal;
//ReadjustWeights(cp);
UpdateFlame(True);
end;
end;
{ **************************************************************************** }
procedure TEditForm.FormClose(Sender: TObject; var Action: TCloseAction);
var
Registry: TRegistry;
begin
{ Write position to registry }
Registry := TRegistry.Create;
try
Registry.RootKey := HKEY_CURRENT_USER;
{ Defaults }
if Registry.OpenKey('\Software\' + APP_NAME + '\Forms\Editor', True) then
begin
{ Options }
// Registry.WriteBool('UseFlameBackground', UseFlameBackground);
Registry.WriteBool('ResetLocation', mnuResetLoc.checked);
Registry.WriteBool('VariationPreview', showVarPreview);
Registry.WriteBool('HelpersEnabled', HelpersEnabled);
Registry.WriteInteger('VariationPreviewRange', trkVarPreviewRange.Position);
Registry.WriteInteger('VariationPreviewDensity', trkVarPreviewDensity.Position);
Registry.WriteInteger('VariationPreviewDepth', trkVarPreviewDepth.Position);
{ Size and position }
if EditForm.WindowState <> wsMaximized then begin
Registry.WriteInteger('Top', EditForm.Top);
Registry.WriteInteger('Left', EditForm.Left);
Registry.WriteInteger('Width', EditForm.Width);
Registry.WriteInteger('Height', EditForm.Height);
end;
end;
finally
Registry.Free;
end;
end;
procedure TEditForm.mnuUndoClick(Sender: TObject);
begin
MainForm.Undo;
end;
procedure TEditForm.mnuRedoClick(Sender: TObject);
begin
MainForm.Redo;
end;
procedure TEditForm.mnuLowQualityClick(Sender: TObject);
begin
mnuLowQuality.Checked := True;
//tbLowQ.Down := true;
PreviewDensity := prevLowQuality;
EditPrevQual := 0;
DrawPreview;
end;
procedure TEditForm.mnuHighQualityClick(Sender: TObject);
begin
mnuHighQuality.Checked := True;
//tbHiQ.Down := true;
PreviewDensity := prevHighQuality;
EditPrevQual := 2;
DrawPreview;
end;
procedure TEditForm.mnuMediumQualityClick(Sender: TObject);
begin
mnuMediumQuality.Checked := True;
//tbMedQ.Down := true;
PreviewDensity := prevMediumQuality;
EditPrevQual := 1;
DrawPreview;
end;
procedure TEditForm.mnuResetLocClick(Sender: TObject);
var
reset: boolean;
begin
reset:= not mnuResetLoc.Checked;
mnuResetLoc.Checked := reset;
//tbResetLoc.Down := reset;
if reset then
begin
cp.width := MainCp.width;
cp.height := MainCp.height;
cp.pixels_per_unit := MainCp.pixels_per_unit;
cp.AdjustScale(PreviewImage.width, PreviewImage.Height);
cp.zoom := MainCp.zoom;
cp.center[0] := MainCp.center[0];
cp.center[1] := MainCp.center[1];
end;
DrawPreview;
end;
procedure TEditForm.mnuVerticalFlipAllClick(Sender: TObject);
var
i: integer;
begin
MainForm.UpdateUndo;
for i := -1 to Transforms do
begin
MainTriangles[i] := FlipTriangleVertical(MainTriangles[i]);
end;
cp.GetFromTriangles(MainTriangles, Transforms);
cp.TrianglesFromCP(MainTriangles);
AutoZoom;
UpdateFlame(True);
end;
procedure TEditForm.mnuHorizintalFlipAllClick(Sender: TObject);
var
i: integer;
begin
MainForm.UpdateUndo;
for i := -1 to Transforms do
begin
MainTriangles[i] := FlipTriangleHorizontal(MainTriangles[i]);
end;
cp.GetFromTriangles(MainTriangles, Transforms);
cp.TrianglesFromCP(MainTriangles);
AutoZoom;
UpdateFlame(True);
end;
procedure TEditForm.mnuFlipVerticalClick(Sender: TObject);
var
p: double;
begin
MainForm.UpdateUndo;
with MainTriangles[SelectedTriangle] do
begin
p := GetPivot.y * 2;
y[0] := p - y[0];
y[1] := p - y[1];
y[2] := p - y[2];
end;
//AutoZoom;
UpdateFlame(True);
end;
procedure TEditForm.mnuFlipHorizontalClick(Sender: TObject);
var
p: double;
begin
MainForm.UpdateUndo;
with MainTriangles[SelectedTriangle] do
begin
p := GetPivot.x * 2;
x[0] := p - x[0];
x[1] := p - x[1];
x[2] := p - x[2];
end;
//AutoZoom;
UpdateFlame(True);
end;
procedure TEditForm.cbTransformsChange(Sender: TObject);
var
n: integer;
begin
n := cbTransforms.ItemIndex;
if (n <> SelectedTriangle) and (n >= 0) and (n <= LastTriangle) then
begin
SelectedTriangle := n;
ShowSelectedInfo;
TriangleView.Invalidate;
end;
end;
procedure TEditForm.cbTransformsDrawItem(Control: TWinControl;
Index: Integer; Rect: TRect; State: TOwnerDrawState);
var
h: integer;
ax,ay,bx,by: integer;
TrgColor: TColor;
begin
assert(Index >= 0);
TrgColor := GetTriangleColor(Index);
with cbTransforms.Canvas do
begin
h := Rect.Bottom - Rect.Top;
brush.Color:=clBlack;
FillRect(Rect);
Font.Color := clWhite;
TextOut(Rect.Left+h+2, Rect.Top, cbTransforms.Items[Index]);//IntToStr(Index+1));
pen.Color := TrgColor;
brush.Color := pen.Color shr 1 and $7f7f7f;
ax:=Rect.Left+h-2;
ay:=Rect.Top+1;
bx:=Rect.Left+2;
by:=Rect.Bottom-3;
Polygon([Point(ax, ay), Point(ax, by), Point(bx, by)]);
end;
end;
procedure TEditForm.CoefKeyPress(Sender: TObject; var Key: Char);
begin
if key <> #13 then exit;
key := #0;
CoefValidate(Sender);
end;
procedure TEditForm.CoefValidate(Sender: TObject);
var
NewVal: double;
x, y, r, a: double; // dumb... must optimize
begin
try
NewVal := Round6(StrToFloat(TEdit(Sender).Text));
except on Exception do
begin
ShowSelectedInfo; //TEdit(Sender).Text := Format('%.6g', [pVal^]);
exit;
end;
end;
//TEdit(Sender).Text := Format('%.6g', [NewVal]);
MainForm.UpdateUndo; // TODO - prevent unnecessary UpdateUndo...
with cp.xform[SelectedTriangle] do
begin
if btnCoefsRect.Down = true then
begin
if Sender = txtA then c[0][0] := NewVal
else if Sender = txtB then c[0][1] := -NewVal
else if Sender = txtC then c[1][0] := -NewVal
else if Sender = txtD then c[1][1] := NewVal
else if Sender = txtE then c[2][0] := NewVal
else if Sender = txtF then c[2][1] := -NewVal;
end
else begin
if (Sender = txtA) or (Sender = txtB) then begin
x := c[0][0];
y := -c[0][1];
end else
if (Sender = txtC) or (Sender = txtD) then begin
x := -c[1][0];
y := c[1][1];
end else
{if (Sender = txtE) or (Sender = txtF) then}
begin
x := c[2][0];
y := -c[2][1];
end;
r := Hypot(x, y);
a := arctan2(y, x);
if (Sender = txtA) or (Sender = txtC) or (Sender = txtE) then
r := NewVal
else
a := NewVal*PI/180;
x := r * cos(a);
y := r * sin(a);
if (Sender = txtA) or (Sender = txtB) then begin
c[0][0] := x;
c[0][1] := -y;
end else
if (Sender = txtC) or (Sender = txtD) then begin
c[1][0] := -x;
c[1][1] := y;
end else
{if (Sender = txtE) or (Sender = txtF) then}
begin
c[2][0] := x;
c[2][1] := -y;
end;
end;
end;
cp.TrianglesFromCP(MainTriangles);
ShowSelectedInfo;
UpdateFlame(true);
end;
procedure TEditForm.scrlXFormColorScroll(Sender: TObject;
ScrollCode: TScrollCode; var ScrollPos: Integer);
begin
if (ScrollCode = scEndScroll) and HasChanged then begin
MainForm.UpdateUndo;
UpdateFlame(True);
end;
end;
procedure TEditForm.scrlXFormColorChange(Sender: TObject);
var
v: double;
begin
if updating then exit;
v := (scrlXFormColor.Position) / scrlXFormColor.Max;
if v <> cp.xform[SelectedTriangle].color then
begin
cp.xform[SelectedTriangle].color := v;
pnlXFormColor.color := ColorValToColor(MainCp.cmap, v);
txtXFormColor.Text := Format('%1.3f', [v]);
txtXFormColor.Refresh;
HasChanged := true;
DrawPreview;
end;
end;
(*
procedure TEditForm.chkUseXFormColorClick(Sender: TObject);
begin
UseTransformColors := chkUseXFormColor.checked;
TriangleView.Invalidate;
end;
procedure TEditForm.chkHelpersClick(Sender: TObject);
begin
HelpersEnabled := chkHelpers.checked;
TriangleView.Invalidate;
end;
*)
procedure TEditForm.txtXFormColorExit(Sender: TObject);
var
v: double;
begin
try
v := StrToFloat(txtXFormColor.Text);
except on EConvertError do
begin
txtXformColor.text := Format('%1.3f', [cp.xform[SelectedTriangle].color]);
exit;
end;
end;
if v > 1 then v := 1;
if v < 0 then v := 0;
if v <> cp.xform[SelectedTriangle].color then
begin
updating := true;
scrlXFormColor.Position := round(v * scrlXFormColor.Max);
MainForm.UpdateUndo;
cp.xform[SelectedTriangle].color := v;
updating := false;
UpdateFlame(true);
end;
end;
procedure TEditForm.txtXFormColorKeyPress(Sender: TObject; var Key: Char);
begin
if key = #13 then
begin
key := #0;
txtXFormColorExit(Sender);
end;
end;
procedure TEditForm.txtSymmetrySet(Sender: TObject);
var
Allow: boolean;
NewVal, OldVal: double;
begin
Allow := True;
OldVal := Round6(cp.xform[SelectedTriangle].symmetry);
{ Test that it's a valid floating point number }
try
StrToFloat(TEdit(Sender).Text);
except on Exception do
begin
{ It's not, so we restore the old value }
TEdit(Sender).Text := Format('%.6g', [OldVal]);
Allow := False;
end;
end;
NewVal := Round6(StrToFloat(TEdit(Sender).Text));
if NewVal < -1 then NewVal := -1;
if NewVal > 1 then NewVal := 1;
{ If it's not the same as the old value and it was valid }
TEdit(Sender).Text := Format('%.6g', [NewVal]);
if (OldVal <> NewVal) and Allow then
begin
MainForm.UpdateUndo;
cp.xform[SelectedTriangle].symmetry := NewVal;
UpdateFlame(True);
end;
end;
procedure TEditForm.txtSymmetrKeyPress(Sender: TObject; var Key: Char);
var
Allow: boolean;
NewVal, OldVal: double;
begin
if key = #13 then
begin
{ Stop the beep }
Key := #0;
Allow := True;
OldVal := Round6(cp.xform[SelectedTriangle].symmetry);
{ Test that it's a valid floating point number }
try
StrToFloat(TEdit(Sender).Text);
except on Exception do
begin
{ It's not, so we restore the old value }
TEdit(Sender).Text := Format('%.6g', [OldVal]);
Allow := False;
end;
end;
NewVal := Round6(StrToFloat(TEdit(Sender).Text));
if NewVal < -1 then NewVal := -1;
if NewVal > 1 then NewVal := 1;
{ If it's not the same as the old value and it was valid }
TEdit(Sender).Text := Format('%.6g', [NewVal]);
if (OldVal <> NewVal) and Allow then
begin
MainForm.UpdateUndo;
cp.xform[SelectedTriangle].symmetry := NewVal;
UpdateFlame(True);
end;
end;
end;
// -- Variation List Editor ----------------------------------------------------
procedure TEditForm.ValidateVariation;
var
i: integer;
NewVal, OldVal: double;
begin
i := VEVars.Row - 1;
OldVal := Round6(cp.xform[SelectedTriangle].vars[i]);
try
NewVal := Round6(StrToFloat(VEVars.Values[VarNames(i)]));
except
VEVars.Values[VarNames(i)] := Format('%.6g', [OldVal]);
exit;
end;
if (NewVal <> OldVal) then
begin
MainForm.UpdateUndo;
cp.xform[SelectedTriangle].vars[i] := NewVal;
VEVars.Values[VarNames(i)] := Format('%.6g', [NewVal]);
ShowSelectedInfo;
UpdateFlame(True);
end;
end;
(*
// here's another way to do this -
// we could use it with variables value editor,
// only if we had an *array* of variables
type
TDblArray = array of double;
PDblArray = ^TDblArray;
procedure ValidateValue(Sender: TValueListEditor; values: PDblArray);
var
Allow: boolean;
i: integer;
NewVal, OldVal: double;
begin
Allow := True;
i := Sender.Row - 1;
OldVal := values^[i];
{ Test that it's a valid floating point number }
try
StrToFloat(Sender.Values[VarNames(i)]);
except on Exception do
begin
{ It's not, so we restore the old value }
Sender.Values[VarNames(i)] := Format('%.6g', [OldVal]);
Allow := False;
end;
end;
NewVal := Round6(StrToFloat(Sender.Values[VarNames(i)]));
Sender.Values[VarNames(i)] := Format('%.6g', [NewVal]);
{ If it's not the same as the old value and it was valid }
if (NewVal <> OldVal) and Allow then
begin
MainForm.UpdateUndo;
values^[i] := NewVal;
Sender.Values[VarNames(i)] := Format('%.6g', [NewVal]);
EditForm.ShowSelectedInfo;
EditForm.UpdateFlame(True);
end;
end;
*)
procedure TEditForm.VEVarsKeyPress(Sender: TObject; var Key: Char);
begin
if key = #13 then
begin
key := #0;
ValidateVariation;
end;
end;
procedure TEditForm.VEVarsChange(Sender: TObject);
begin
ValidateVariation;
end;
procedure TEditForm.VEVarsValidate(Sender: TObject; ACol, ARow: Integer; const KeyName, KeyValue: String);
begin
ValidateVariation;
end;
// -- ValueList mouse stuff ----------------------------------------------------
procedure TEditForm.VEVarsMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
var
cell: TGridCoord;
begin
if Button = mbLeft then begin
varDragOld:=x;
cell := TValueListEditor(Sender).MouseCoord(x, y);
varDragIndex := cell.Y-1;
if (cell.y < 1) or (cell.y >= TValueListEditor(Sender).RowCount) or
(cell.x <> 0) then exit;
TValueListEditor(Sender).Row := cell.Y;
Screen.Cursor := crHSplit;
GetCursorPos(mousepos); // hmmm
varDragMode:=true;
varDragPos:=0;
varMM := false;
SetCaptureControl(TValueListEditor(Sender));
if Sender = VEVars then
varDragValue := cp.xform[SelectedTriangle].vars[varDragIndex]
else
cp.xform[SelectedTriangle].GetVariable(vleVariables.Keys[varDragIndex+1], varDragValue);
HasChanged := False;
end;
end;
procedure TEditForm.VEVarsMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
var
v: double;
cell: TGridCoord;
begin
cell := TValueListEditor(Sender).MouseCoord(x, y);
if (cell.Y > 0) and (cell.X = 0) then TValueListEditor(Sender).Cursor := crHandPoint
else TValueListEditor(Sender).Cursor := crDefault;
if varMM then // hack: to skip MouseMove event
begin
varMM:=false;
end
else
if varDragMode and (x <> varDragOld) then
begin
Inc(varDragPos, x - varDragOld);
if GetKeyState(VK_MENU) < 0 then v := 100000
else if GetKeyState(VK_CONTROL) < 0 then v := 10000
else if GetKeyState(VK_SHIFT) < 0 then v := 100
else v := 1000;
v := Round6(varDragValue + varDragPos/v);
SetCursorPos(MousePos.x, MousePos.y); // hmmm
// this Delphi is WEIRD!
// why GetCursorPos deals with TPoint,
// and SetCursorPos - with two integers? :)
varMM:=true;
//cp.xform[SelectedTriangle].vars[varDragIndex] := v;
if Sender = VEVars then
begin
cp.xform[SelectedTriangle].vars[varDragIndex] := v;
TValueListEditor(Sender).Values[VarNames(varDragIndex)] := FloatToStr(v); //Format('%.6g', [v]);
end
else begin
cp.xform[SelectedTriangle].SetVariable(vleVariables.Keys[varDragIndex+1], v);
vleVariables.Values[vleVariables.Keys[varDragIndex+1]] := FloatToStr(v);
{
vleVariables.Values[vleVariables.Keys[varDragIndex+1]] :=
cp.xform[SelectedTriangle].GetVariableStr(vleVariables.Keys[varDragIndex+1]);
}
end;
HasChanged := True;
UpdateFlameX;
end;
end;
procedure TEditForm.VEVarsMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
if Button <> mbLeft then exit;
SetCaptureControl(nil);
if varDragMode then
begin
varDragMode:=false;
Screen.Cursor := crDefault;
if HasChanged then
begin
MainForm.UpdateUndo;
UpdateFlame(true);
HasChanged := False;
end;
end;
end;
procedure TEditForm.VEVarsDblClick(Sender: TObject);
var
n: integer;
v, v1: double;
changed: boolean;
begin
n := TValueListEditor(Sender).Row - 1;
assert(n >= 0);
assert(n < TValueListEditor(Sender).rowCount);
//changed := false;
if Sender = VEVars then
begin
v := cp.xform[SelectedTriangle].vars[n];
cp.xform[SelectedTriangle].vars[n] := IfThen(DoubleClickSetVars and (v = 0), 1, 0);
//VEVars.Values[VarNames(n)] := '0';
changed := (cp.xform[SelectedTriangle].vars[n] <> v);
end
else begin
cp.xform[SelectedTriangle].GetVariable(vleVariables.Keys[n + 1], v);
cp.xform[SelectedTriangle].ResetVariable(vleVariables.Keys[n + 1]);
//vleVariables.Values[vleVariables.Keys[varDragIndex+1]] := '0';
cp.xform[SelectedTriangle].GetVariable(vleVariables.Keys[n + 1], v1);
changed := (v1 <> v);
end;
if changed then MainForm.UpdateUndo;
UpdateFlame(true);
end;
{ **************************************************************************** }
function TEditForm.GetPivot: TSPoint;
begin
Result := GetPivot(SelectedTriangle);
end;
function TEditForm.GetPivot(n: integer): TSPoint;
begin
if (PivotMode = pivotLocal) or {EdgeCaught} (mouseOverEdge >= 0) then // should be always local for edges (hmm...?)
with MainTriangles[n] do begin
Result.x := x[1] + (x[0] - x[1])*LocalPivot.x + (x[2] - x[1])*LocalPivot.y;
Result.y := y[1] + (y[0] - y[1])*LocalPivot.x + (y[2] - y[1])*LocalPivot.y;
end
else begin
Result.x := WorldPivot.x;
Result.y := WorldPivot.y;
end;
end;
procedure TEditForm.btTrgRotateLeftClick(Sender: TObject);
var
angle: double;
begin
try
angle := StrToFloat(txtTrgRotateValue.Text);
except
txtTrgRotateValue.ItemIndex := 1;
exit;
end;
assert(angle <> 0);
if GetKeyState(VK_CONTROL) < 0 then angle := angle/6.0
else if GetKeyState(VK_SHIFT) < 0 then angle := angle*6.0;
MainForm.UpdateUndo;
MainTriangles[SelectedTriangle] :=
RotateTrianglePoint(MainTriangles[SelectedTriangle], GetPivot.x, GetPivot.y, (PI/180)*angle);
HasChanged := True;
UpdateFlame(true);
end;
procedure TEditForm.btTrgRotateLeft90Click(Sender: TObject);
begin
MainForm.UpdateUndo;
MainTriangles[SelectedTriangle] :=
RotateTrianglePoint(MainTriangles[SelectedTriangle], GetPivot.x, GetPivot.y, PI/2);
HasChanged := True;
UpdateFlame(true);
end;
procedure TEditForm.btTrgRotateRightClick(Sender: TObject);
var
angle: double;
begin
try
angle := StrToFloat(txtTrgRotateValue.Text);
except
txtTrgRotateValue.ItemIndex := 1;
exit;
end;
assert(angle <> 0);
if GetKeyState(VK_CONTROL) < 0 then angle := angle/6.0
else if GetKeyState(VK_SHIFT) < 0 then angle := angle*6.0;
MainForm.UpdateUndo;
MainTriangles[SelectedTriangle] :=
RotateTrianglePoint(MainTriangles[SelectedTriangle], GetPivot.x, GetPivot.y, -(PI/180)*angle);
HasChanged := True;
UpdateFlame(true);
end;
procedure TEditForm.btTrgRotateRight90Click(Sender: TObject);
begin
MainForm.UpdateUndo;
MainTriangles[SelectedTriangle] :=
RotateTrianglePoint(MainTriangles[SelectedTriangle], GetPivot.x, GetPivot.y, -PI/2);
HasChanged := True;
UpdateFlame(true);
end;
procedure TEditForm.TrgMove(dx, dy: double);
var
i: integer;
offset: double;
begin
try
offset := StrToFloat(txtTrgMoveValue.Text);
assert(offset <> 0);
except
txtTrgMoveValue.ItemIndex := 1;
exit;
end;
if GetKeyState(VK_CONTROL) < 0 then offset := offset/10.0
else if GetKeyState(VK_SHIFT) < 0 then offset := offset*10.0;
MainForm.UpdateUndo;
for i := 0 to 2 do begin
MainTriangles[SelectedTriangle].x[i] :=
MainTriangles[SelectedTriangle].x[i] + dx*offset;
MainTriangles[SelectedTriangle].y[i] :=
MainTriangles[SelectedTriangle].y[i] + dy*offset;
end;
// HasChanged := True;
UpdateFlame(true);
end;
procedure TEditForm.btTrgMoveLeftClick(Sender: TObject);
begin
TrgMove(-1,0);
end;
procedure TEditForm.btTrgMoveRightClick(Sender: TObject);
begin
TrgMove(1,0);
end;
procedure TEditForm.btTrgMoveUpClick(Sender: TObject);
begin
TrgMove(0,1);
end;
procedure TEditForm.btTrgMoveDownClick(Sender: TObject);
begin
TrgMove(0,-1);
end;
{
procedure TEditForm.btTrgMoveLUClick(Sender: TObject);
begin
TrgMove(-1,1);
end;
procedure TEditForm.btTrgMoveLDClick(Sender: TObject);
begin
TrgMove(-1,-1);
end;
procedure TEditForm.btTrgMoveRUClick(Sender: TObject);
begin
TrgMove(1,1);
end;
procedure TEditForm.btTrgMoveRDClick(Sender: TObject);
begin
TrgMove(1,-1);
end;
}
procedure TEditForm.btTrgScaleUpClick(Sender: TObject);
var
scale: double;
begin
try
scale := StrToFloat(txtTrgScaleValue.Text) / 100.0;
except
txtTrgScaleValue.ItemIndex := 1;
exit;
end;
if scale = 0 then scale := 1e-6; //assert(scale <> 0);
if GetKeyState(VK_CONTROL) < 0 then scale := sqrt(scale)
else if GetKeyState(VK_SHIFT) < 0 then scale := scale*scale;
MainForm.UpdateUndo;
MainTriangles[SelectedTriangle] :=
ScaleTrianglePoint(MainTriangles[SelectedTriangle], GetPivot.x, GetPivot.y, scale);
HasChanged := True;
UpdateFlame(true);
end;
procedure TEditForm.btTrgScaleDownClick(Sender: TObject);
var
scale: double;
begin
try
scale := 100.0 / StrToFloat(txtTrgScaleValue.Text);
except
txtTrgScaleValue.ItemIndex := 1;
exit;
end;
if scale = 0 then scale := 1e-6; //assert(scale <> 0);
if GetKeyState(VK_CONTROL) < 0 then scale := sqrt(scale)
else if GetKeyState(VK_SHIFT) < 0 then scale := scale*scale;
MainForm.UpdateUndo;
MainTriangles[SelectedTriangle] :=
ScaleTrianglePoint(MainTriangles[SelectedTriangle], GetPivot.x, GetPivot.y, scale);
HasChanged := True;
UpdateFlame(true);
end;
procedure TEditForm.TriangleViewKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if (oldMode = modeNone) and
(key in [{VK_SHIFT,} VK_MENU, VK_CONTROL]) then
begin
oldMode := editMode;
modeKey := key;
if key = VK_MENU then
if editMode <> modeRotate then
begin
editMode := modeRotate;
TriangleView.Cursor := crEditRotate;
end
else begin
editMode := modeMove;
TriangleView.Cursor := crEditMove;
end
else {if key = VK_CONTROL then}
begin
if editMode <> modeScale then
begin
editMode := modeScale;
TriangleView.Cursor := crEditScale;
end
else begin
editMode := modeMove;
TriangleView.Cursor := crEditMove;
end
end;
end
else
case key of
VK_LEFT:
if Shift = [ssAlt] then btTrgRotateLeftClick(Sender)
else TrgMove(-1,0);
VK_RIGHT:
if Shift = [ssAlt] then btTrgRotateRightClick(Sender)
else TrgMove(1,0);
VK_UP:
if Shift = [ssAlt] then btTrgScaleUpClick(Sender)
else TrgMove(0,1);
VK_DOWN:
if Shift = [ssAlt] then btTrgScaleDownClick(Sender)
else TrgMove(0,-1);
VK_PRIOR: btTrgRotateLeftClick(Sender);
VK_NEXT: btTrgRotateRightClick(Sender);
VK_HOME: btTrgScaleUpClick(Sender);
VK_END: btTrgScaleDownClick(Sender);
VK_INSERT: mnuDupClick(Sender);
VK_DELETE: mnuDeleteClick(Sender);
// can be changed in the future...
Ord('R'): btnResetPivotClick(Sender);
Ord('P'): btnPickPivotClick(Sender);
Ord('T'): tbPostXswapClick(Sender);
189: // "-"
begin
GraphZoom := GraphZoom * 0.8;
EditForm.StatusBar.Panels[2].Text := Format('Zoom: %f', [GraphZoom]);
TriangleView.Invalidate;
end;
187: // "+"
begin
GraphZoom := GraphZoom * 1.25;
EditForm.StatusBar.Panels[2].Text := Format('Zoom: %f', [GraphZoom]);
TriangleView.Invalidate;
end;
VK_ESCAPE:
begin
if TriangleCaught or CornerCaught or EdgeCaught then begin
if modeHack then begin
assert(oldMode <> modeNone);
editMode := oldMode;
oldMode := modeNone;
modeHack := false;
end;
if HasChanged then
begin
MainTriangles[SelectedTriangle] := OldTriangle;
HasChanged := False;
end;
EdgeCaught := false;
CornerCaught := false;
TriangleCaught := false;
TriangleView.Invalidate;
UpdateFlameX;
end;
end
end;
end;
procedure TEditForm.TriangleViewKeyUp(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if (oldMode <> modeNone) and (key = modeKey) then
begin
assert(key in [VK_MENU, VK_CONTROL]);
editMode := oldMode;
oldMode := modeNone;
// tbMove.Down := (editMode = modeMove);
// tbRotate.Down := (editMode = modeRotate);
// tbScale.Down := (editMode = modeScale);
// hack: to generate MouseMove event
GetCursorPos(MousePos);
SetCursorPos(MousePos.x, MousePos.y);
end;
end;
procedure TEditForm.TriangleViewExit(Sender: TObject);
begin
if oldMode <> modeNone then
begin
editMode := oldMode;
oldMode := modeNone;
// tbMove.Down := (editMode = modeMove);
// tbRotate.Down := (editMode = modeRotate);
// tbScale.Down := (editMode = modeScale);
end;
mouseOverTriangle := -1;
TriangleView.Invalidate;
end;
procedure TEditForm.TriangleViewMouseLeave(Sender: TObject);
begin
if viewDragMode = false then
begin
mouseOverTriangle := -1;
TriangleView.Invalidate;
end;
end;
procedure TEditForm.EditKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
case key of
VK_ADD:
if SelectedTriangle < LastTriangle then begin
Inc(SelectedTriangle);
TriangleView.Invalidate;
ShowSelectedInfo;
end;
VK_SUBTRACT:
if SelectedTriangle > 0 then begin
Dec(SelectedTriangle);
TriangleView.Invalidate;
ShowSelectedInfo;
end;
VK_SPACE: btnPivotModeClick(Sender);
else
key_handled := false;
exit;
end;
key_handled := true;
key := 0;
end;
procedure TEditForm.EditKeyPress(Sender: TObject; var Key: Char);
begin
if key_handled or (key in ['A'..'z']) then key := #0; // hmmm...
end;
procedure TEditForm.splitterMoved(Sender: TObject);
begin
UpdatePreview;
end;
procedure TEditForm.tbSelectClick(Sender: TObject);
begin
SelectMode := not SelectMode;
tbSelect.Down := SelectMode;
if SelectMode then
begin
StatusBar.Panels[2].Text := 'Select ON'
end
else begin
mouseOverTriangle := SelectedTriangle;
StatusBar.Panels[2].Text := 'Select OFF';
end;
// hack: to generate MouseMove event
GetCursorPos(MousePos);
SetCursorPos(MousePos.x, MousePos.y);
end;
procedure TEditForm.TriangleViewMouseWheel(Sender: TObject; Shift: TShiftState;
WheelDelta: Integer; MousePos: TPoint; var Handled: Boolean);
var
fx, fy, sc: double;
p: TPoint;
begin
p := TriangleView.ScreenToClient(MousePos);
Scale(fx, fy, p.X, p.Y);
if WheelDelta > 0 then GraphZoom := GraphZoom * 1.25
else GraphZoom := GraphZoom * 0.8;
EditForm.StatusBar.Panels[2].Text := Format('Zoom: %f', [GraphZoom]);
if viewDragMode then begin
sc := GraphZoom * 50;
gCenterX := fx - (p.X - TriangleView.Width/2) / sc;
gCenterY := fy + (p.Y - TriangleView.Height/2) / sc;
end;
TriangleView.Invalidate;
Handled := true;
end;
procedure TEditForm.TriangleViewDblClick(Sender: TObject);
begin
if mouseOverTriangle >= 0 then
begin
if mouseOverCorner >= 0 then begin
case mouseOverCorner of
0: if editMode = modeRotate then ResetAxisRotation(0) else ResetAxisScale(0);
1: if editMode = modeRotate then ResetAxisRotation(1)
else begin
if editMode = modeScale then
ResetAxisScale(1)
else begin
if cp.xform[SelectedTriangle].postXswap then
btnOpostClick(Sender)
else
btnOcoefsClick(Sender);
end;
end;
2: if editMode = modeRotate then ResetAxisRotation(2) else ResetAxisScale(2);
end;
end
else if mouseOverEdge >= 0 then begin
if AxisLock then begin
if (editMode = modeScale) or (mouseOverEdge = 2)then
mnuResetTrgScaleClick(Sender)
else
mnuResetTrgRotationClick(Sender);
end
else case mouseOverEdge of
0: if editMode = modeScale then ResetAxisScale(0) else ResetAxisRotation(0);
1: if editMode = modeScale then ResetAxisScale(2) else ResetAxisRotation(2);
2: mnuResetTrgScaleClick(Sender);
end;
end
else if mouseOverWidget >= 0 then begin
case editMode of
modeScale: mnuResetTrgScaleClick(Sender);
else mnuResetTrgRotationClick(Sender);
end;
end
else case editMode of
//modeMove: Do Nothing
modeScale: mnuResetTrgScaleClick(Sender);
modeRotate: mnuResetTrgRotationClick(Sender);
end;
end
else AutoZoom;
end;
procedure TEditForm.TriangleViewInvalidate(Sender: TObject);
begin
TriangleView.Invalidate;
end;
procedure TEditForm.tbEditModeClick(Sender: TObject);
begin
// ExtendedEdit := (Sender = tbExtendedEdit);
if Sender = tbRotate then
begin
editMode := modeRotate;
//tbRotate.Down := true;
end
else if Sender = tbScale then
begin
editMode := modeScale;
//tbScale.Down := true;
end
else begin
editMode := modeMove;
//tbMove.Down := true;
end;
TToolButton(Sender).Down := true;
TriangleView.Invalidate;
end;
procedure TEditForm.tbExtendedEditClick(Sender: TObject);
begin
ExtendedEdit := not ExtendedEdit;
tbExtendedEdit.Down := ExtendedEdit;
TriangleView.Invalidate;
end;
procedure TEditForm.tbAxisLockClick(Sender: TObject);
begin
{if Sender = chkAxisLock then AxisLock := chkAxisLock.Checked
else} AxisLock := not AxisLock;
tbAxisLock.Down := AxisLock;
//chkAxisLock.Checked := AxisLock;
end;
procedure TEditForm.tbFullViewClick(Sender: TObject);
begin
MainForm.mnuFullScreenClick(Sender);
end;
//-- Variable List -------------------------------------------------------------
procedure TEditForm.ValidateVariable;
var
i: integer;
NewVal, OldVal: double;
str, oldstr: string;
begin
i := vleVariables.Row;
{$ifndef VAR_STR}
cp.xform[SelectedTriangle].GetVariable(vleVariables.Keys[i], OldVal);
{ Test that it's a valid floating point number }
try
NewVal := Round6(StrToFloat(vleVariables.Values[vleVariables.Keys[i]]));
except
{ It's not, so we restore the old value }
vleVariables.Values[vleVariables.Keys[i]] := Format('%.6g', [OldVal]);
// cp.xform[SelectedTriangle].GetVariableStr(vleVariables.Keys[i]);
exit;
end;
{ If it's not the same as the old value and it was valid }
if (NewVal <> OldVal) then
begin
MainForm.UpdateUndo;
cp.xform[SelectedTriangle].SetVariable(vleVariables.Keys[i], NewVal);
vleVariables.Values[vleVariables.Keys[i]] := Format('%.6g', [NewVal]);
ShowSelectedInfo;
UpdateFlame(True);
end;
{$else}
oldstr := cp.xform[SelectedTriangle].GetVariableStr(vleVariables.Keys[i]);
str := vleVariables.Values[vleVariables.Keys[i]];
cp.xform[SelectedTriangle].SetVariableStr(vleVariables.Keys[i], str);
if str <> oldstr then
begin
MainForm.UpdateUndo;
vleVariables.Values[vleVariables.Keys[i]] := str;
ShowSelectedInfo;
UpdateFlame(True);
end;
{$endif}
end;
procedure TEditForm.vleVariablesExit(Sender: TObject);
begin
ValidateVariable;
end;
procedure TEditForm.vleVariablesKeyPress(Sender: TObject; var Key: Char);
begin
if key <> #13 then Exit;
key := #0;
ValidateVariable;
end;
procedure TEditForm.vleVariablesValidate(Sender: TObject; ACol, ARow: Integer; const KeyName, KeyValue: string);
begin
ValidateVariable;
end;
(*
procedure TEditForm.vleVariablesGetPickList(Sender: TObject;
const KeyName: String; Values: TStrings);
begin
if KeyName ='blur2_type' then
begin
Values.Add('gaussian');
Values.Add('zoom');
Values.Add('radial');
Values.Add('defocus');
end;
end;
procedure TEditForm.vleVariablesStringsChange(Sender: TObject);
begin
if (vleVariables.ItemProps[vleVariables.Row - 1].ReadOnly) then ValidateVariable;
end;
*)
// -----------------------------------------------------------------------------
procedure TEditForm.txtValidateValue(Sender: TObject);
var
t: double;
begin
try
t := StrToFloat(TComboBox(Sender).Text);
if t <> 0 then exit;
except
TComboBox(Sender).ItemIndex := 1;
end;
end;
procedure TEditForm.txtValKeyPress(Sender: TObject; var Key: Char);
begin
if key <> #13 then exit;
key := #0;
txtValidateValue(Sender);
end;
procedure TEditForm.mnuResetTriangleClick(Sender: TObject);
begin
if (MainTriangles[SelectedTriangle].x[0] = MainTriangles[-1].x[0]) and
(MainTriangles[SelectedTriangle].x[1] = MainTriangles[-1].x[1]) and
(MainTriangles[SelectedTriangle].x[2] = MainTriangles[-1].x[2]) and
(MainTriangles[SelectedTriangle].y[0] = MainTriangles[-1].y[0]) and
(MainTriangles[SelectedTriangle].y[1] = MainTriangles[-1].y[1]) and
(MainTriangles[SelectedTriangle].y[2] = MainTriangles[-1].y[2])
then exit;
MainForm.UpdateUndo;
MainTriangles[SelectedTriangle] := MainTriangles[-1];
UpdateFlame(True);
{
with cp.xform[SelectedTriangle] do
begin
if (c[0,0]<>1) or (c[0,1]<>0) or(c[1,0]<>0) or (c[1,1]<>1) or (c[2,0]<>0) or (c[2,1]<>0) then
begin
MainForm.UpdateUndo;
c[0, 0] := 1;
c[0, 1] := 0;
c[1, 0] := 0;
c[1, 1] := 1;
c[2, 0] := 0;
c[2, 1] := 0;
ShowSelectedInfo;
cp.TrianglesFromCP(MainTriangles);
UpdateFlame(True);
end;
end;
}
end;
procedure TEditForm.mnuResetAllClick(Sender: TObject);
var
i: integer;
begin
MainForm.UpdateUndo;
for i := 0 to Transforms do cp.xform[i].Clear;
cp.xform[0].vars[0] := 1;
cp.xform[0].density := 0.5;
cp.xform[1].vars[0] := 1;
cp.xform[1].density := 0.5;
cp.xform[1].color := 1;
cp.xform[2].symmetry := 1;
cp.center[0] := 0;
cp.center[1] := 0;
cp.zoom := 0;
cp.pixels_per_unit := PreviewImage.Width/4;
cp.FAngle := 0;
Transforms := 2;
SelectedTriangle := 1;
MainTriangles[0] := MainTriangles[-1];
MainTriangles[1] := MainTriangles[-1];
MainTriangles[2] := MainTriangles[-1]; // kinda reset finalxform
EnableFinalXform := false;
assert(cp.HasFinalXForm = false);
// cbTransforms.clear;
// cbTransforms.Items.Add('1');
// cbTransforms.Items.Add('2');
UpdateXformsList;
AutoZoom;
UpdateFlame(True);
end;
// -----------------------------------------------------------------------------
procedure TEditForm.btnXcoefsClick(Sender: TObject);
begin
with cp.xform[SelectedTriangle] do
begin
if (c[0][0] = 1) and (c[0][1] = 0) then exit;
MainForm.UpdateUndo;
c[0][0] := 1;
c[0][1] := 0;
end;
cp.TrianglesFromCP(MainTriangles);
UpdateFlame(True);
end;
procedure TEditForm.btnYcoefsClick(Sender: TObject);
begin
if (cp.xform[SelectedTriangle].c[1][0] = 0) and
(cp.xform[SelectedTriangle].c[1][1] = 1) then exit;
MainForm.UpdateUndo;
cp.xform[SelectedTriangle].c[1][0] := 0;
cp.xform[SelectedTriangle].c[1][1] := 1;
cp.TrianglesFromCP(MainTriangles);
UpdateFlame(True);
end;
procedure TEditForm.btnOcoefsClick(Sender: TObject);
begin
if (sender = mnuResetTrgPosition) and cp.xform[SelectedTriangle].postXswap then
begin
btnOpostClick(Sender);
exit;
end;
if (cp.xform[SelectedTriangle].c[2][0] = 0) and
(cp.xform[SelectedTriangle].c[2][1] = 0) then exit;
MainForm.UpdateUndo;
cp.xform[SelectedTriangle].c[2][0] := 0;
cp.xform[SelectedTriangle].c[2][1] := 0;
cp.TrianglesFromCP(MainTriangles);
UpdateFlame(True);
end;
procedure TEditForm.btnCoefsModeClick(Sender: TObject);
begin
ShowSelectedInfo;
end;
procedure TEditForm.tbVarPreviewClick(Sender: TObject);
begin
showVarPreview := not showVarPreview;
tbVarPreview.Down := showVarPreview;
TriangleView.Invalidate;
end;
procedure TEditForm.trkVarPreviewRangeChange(Sender: TObject);
begin
trkVarPreviewRange.Hint := Format('Range: %d', [trkVarPreviewRange.position]);
TriangleView.Invalidate;
end;
procedure TEditForm.trkVarPreviewDensityChange(Sender: TObject);
begin
trkVarPreviewDensity.Hint := Format('Density: %d', [trkVarPreviewDensity.position]);
TriangleView.Invalidate;
end;
procedure TEditForm.trkVarPreviewDepthChange(Sender: TObject);
begin
trkVarPreviewDepth.Hint := Format('Depth: %d', [trkVarPreviewDepth.position]);
TriangleView.Invalidate;
end;
procedure TEditForm.btnXpostClick(Sender: TObject);
begin
with cp.xform[SelectedTriangle] do
begin
if (p[0][0] = 1) and (p[0][1] = 0) then exit;
MainForm.UpdateUndo;
p[0][0] := 1;
p[0][1] := 0;
end;
cp.TrianglesFromCP(MainTriangles);
UpdateFlame(True);
end;
procedure TEditForm.btnYpostClick(Sender: TObject);
begin
if (cp.xform[SelectedTriangle].p[1][0] = 0) and
(cp.xform[SelectedTriangle].p[1][1] = 1) then exit;
MainForm.UpdateUndo;
cp.xform[SelectedTriangle].p[1][0] := 0;
cp.xform[SelectedTriangle].p[1][1] := 1;
cp.TrianglesFromCP(MainTriangles);
UpdateFlame(True);
end;
procedure TEditForm.btnOpostClick(Sender: TObject);
begin
if (cp.xform[SelectedTriangle].p[2][0] = 0) and
(cp.xform[SelectedTriangle].p[2][1] = 0) then exit;
MainForm.UpdateUndo;
cp.xform[SelectedTriangle].p[2][0] := 0;
cp.xform[SelectedTriangle].p[2][1] := 0;
cp.TrianglesFromCP(MainTriangles);
UpdateFlame(True);
end;
// --Z-- copying functions is dumb... I am so lazy :-(
procedure TEditForm.PostCoefKeypress(Sender: TObject; var Key: Char);
begin
if key <> #13 then exit;
key := #0;
PostCoefValidate(Sender);
end;
procedure TEditForm.PostCoefValidate(Sender: TObject);
var
NewVal: double;
x, y, r, a: double; // dumb... must optimize
begin
try
NewVal := Round6(StrToFloat(TEdit(Sender).Text));
except on Exception do
begin
ShowSelectedInfo;
exit;
end;
end;
MainForm.UpdateUndo; // TODO - prevent unnecessary UpdateUndo...
with cp.xform[SelectedTriangle] do
begin
if btnCoefsRect.Down = true then
begin
if Sender = txtPost00 then p[0][0] := NewVal
else if Sender = txtPost01 then p[0][1] := -NewVal
else if Sender = txtPost10 then p[1][0] := -NewVal
else if Sender = txtPost11 then p[1][1] := NewVal
else if Sender = txtPost20 then p[2][0] := NewVal
else if Sender = txtPost21 then p[2][1] := -NewVal;
end
else begin
if (Sender = txtPost00) or (Sender = txtPost01) then begin
x := p[0][0];
y := -p[0][1];
end else
if (Sender = txtPost10) or (Sender = txtPost11) then begin
x := -p[1][0];
y := p[1][1];
end else
begin
x := p[2][0];
y := -p[2][1];
end;
r := Hypot(x, y);
a := arctan2(y, x);
if (Sender = txtPost00) or (Sender = txtPost10) or (Sender = txtPost20) then
r := NewVal
else
a := NewVal*PI/180;
x := r * cos(a);
y := r * sin(a);
if (Sender = txtPost00) or (Sender = txtPost01) then begin
p[0][0] := x;
p[0][1] := -y;
end else
if (Sender = txtPost10) or (Sender = txtPost11) then begin
p[1][0] := -x;
p[1][1] := y;
end else
begin
p[2][0] := x;
p[2][1] := -y;
end;
end;
end;
cp.TrianglesFromCP(MainTriangles);
ShowSelectedInfo;
UpdateFlame(true);
end;
procedure TEditForm.btnResetCoefsClick(Sender: TObject);
begin
with cp.xform[SelectedTriangle] do
begin
if (c[0,0]<>1) or (c[0,1]<>0) or(c[1,0]<>0) or (c[1,1]<>1) or (c[2,0]<>0) or (c[2,1]<>0) then
begin
MainForm.UpdateUndo;
c[0, 0] := 1;
c[0, 1] := 0;
c[1, 0] := 0;
c[1, 1] := 1;
c[2, 0] := 0;
c[2, 1] := 0;
ShowSelectedInfo;
cp.TrianglesFromCP(MainTriangles);
UpdateFlame(True);
end;
end;
end;
procedure TEditForm.btnResetPostCoefsClick(Sender: TObject);
begin
with cp.xform[SelectedTriangle] do
begin
if (p[0,0]<>1) or (p[0,1]<>0) or(p[1,0]<>0) or (p[1,1]<>1) or (p[2,0]<>0) or (p[2,1]<>0) then
begin
MainForm.UpdateUndo;
p[0, 0] := 1;
p[0, 1] := 0;
p[1, 0] := 0;
p[1, 1] := 1;
p[2, 0] := 0;
p[2, 1] := 0;
ShowSelectedInfo;
cp.TrianglesFromCP(MainTriangles);
UpdateFlame(True);
end;
end;
end;
procedure TEditForm.btnPivotModeClick(Sender: TObject);
begin
if PivotMode <> pivotLocal then
with MainTriangles[SelectedTriangle] do begin
PivotMode := pivotLocal;
btnPivotMode.Caption := 'Local Pivot';
tbPivotMode.Down := false;
end
else
with MainTriangles[SelectedTriangle] do begin
PivotMode := pivotWorld;
btnPivotMode.Caption := 'World Pivot';
tbPivotMode.Down := true;
end;
TriangleView.Invalidate;
ShowSelectedInfo;
end;
procedure TEditForm.PivotValidate(Sender: TObject);
var
v: double;
begin
try
v := Round6(StrToFloat(TEdit(Sender).Text));
except on Exception do
begin
ShowSelectedInfo;
exit;
end;
end;
if Sender = editPivotX then
if v <> Round6(GetPivot.x) then begin
if PivotMode = pivotLocal then LocalPivot.x := v
else WorldPivot.x := v;
end
else exit
else
if v <> Round6(GetPivot.y) then begin
if PivotMode = pivotLocal then LocalPivot.y := v
else WorldPivot.y := v;
end
else exit;
TriangleView.Invalidate;
ShowSelectedInfo;
end;
procedure TEditForm.PivotKeyPress(Sender: TObject; var Key: Char);
begin
if key <> #13 then exit;
key := #0;
PivotValidate(Sender);
end;
procedure TEditForm.btnResetPivotClick(Sender: TObject);
begin
if editMode = modePick then begin
editMode := oldMode;
oldMode := modeNone;
// hack: to generate MouseMove event
GetCursorPos(MousePos);
SetCursorPos(MousePos.x, MousePos.y);
//
end;
if PivotMode = pivotLocal then
begin
LocalPivot.x := 0;
LocalPivot.y := 0;
end
else begin
WorldPivot.x := 0;
WorldPivot.y := 0;
end;
TriangleView.Invalidate;
ShowSelectedInfo;
end;
procedure TEditForm.btnPickPivotClick(Sender: TObject);
begin
if editMode = modePick then begin
editMode := oldMode;
oldMode := modeNone;
TriangleView.Invalidate;
// hack: to generate MouseMove event
GetCursorPos(MousePos);
SetCursorPos(MousePos.x, MousePos.y);
//
exit;
end;
if oldMode <> modeNone then exit;
oldMode := editMode;
editMode := modePick;
TriangleView.Invalidate;
btnPickPivot.Down := true;
end;
procedure TEditForm.VEVarsDrawCell(Sender: TObject; ACol, ARow: Integer;
Rect: TRect; State: TGridDrawState);
begin
if (ARow > NRLOCVAR) and not (gdSelected in State) then
begin
VEVars.canvas.brush.Color := $ffe0e0;
VEVars.canvas.fillRect(Rect);
VEVars.canvas.TextOut(Rect.Left+2, Rect.Top+2, VEVars.Cells[ACol,ARow]);
end;
end;
procedure TEditForm.tbEnableFinalXformClick(Sender: TObject);
begin
MainForm.UpdateUndo;
EnableFinalXform := tbEnableFinalXform.Down;
if (cp.HasFinalXForm = false) then
begin
if (EnableFinalXform = true) then
begin
cbTransforms.Items.Add('Final');
SelectedTriangle := Transforms;
if (mouseOverTriangle > LastTriangle) then mouseOverTriangle := -1;
end
else begin
if cbTransforms.Items.Count = Transforms+1 then
cbTransforms.Items.Delete(Transforms);
if SelectedTriangle >= Transforms then SelectedTriangle := Transforms-1;
end;
end;
cp.finalXformEnabled := EnableFinalXform;
UpdateFlame(True);
TriangleView.Invalidate;
end;
procedure TEditForm.DragPanelMouseDown(Sender: TObject;
Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
if Button <> mbLeft then exit;
assert(pnlDragMode = false); //?
if pnlDragMode = true then exit;
if (Sender = pnlWeight) then
if SelectedTriangle < Transforms then
pnlDragValue := cp.xform[SelectedTriangle].density
else exit
else if (Sender = pnlSymmetry) then
pnlDragValue := cp.xform[SelectedTriangle].symmetry
else if (Sender = pnlXformColor) then
pnlDragValue := cp.xform[SelectedTriangle].color
else assert(false);
pnlDragMode := true;
pnlDragPos := 0;
pnlDragOld := x;
varMM := false;
//SetCaptureControl(TControl(Sender));
Screen.Cursor := crHSplit;
GetCursorPos(mousepos); // hmmm
HasChanged := false;
end;
procedure TEditForm.DragPanelMouseMove(Sender: TObject; Shift: TShiftState;
X, Y: Integer);
var
v: double;
pEdit: ^TEdit;
begin
if varMM then // hack: to skip MouseMove event
begin
varMM:=false;
end
else
if pnlDragMode and (x <> pnlDragOld) then
begin
Inc(pnlDragPos, x - pnlDragOld);
if GetKeyState(VK_MENU) < 0 then v := 100000
else if GetKeyState(VK_CONTROL) < 0 then v := 10000
else if GetKeyState(VK_SHIFT) < 0 then v := 100
else v := 1000;
v := Round6(pnlDragValue + pnlDragPos / v);
SetCursorPos(MousePos.x, MousePos.y); // hmmm
varMM:=true;
if (Sender = pnlWeight) then
begin
if v <= 0.000001 then v := 0.000001;
cp.xform[SelectedTriangle].density := v;
pEdit := @txtP;
end
else if (Sender = pnlSymmetry) then
begin
if v < -1 then v := -1
else if v > 1 then v := 1;
cp.xform[SelectedTriangle].symmetry := v;
pEdit := @txtSymmetry;
end
else if (Sender = pnlXformColor) then
begin
if v < 0 then v := 0
else if v > 1 then v := 1;
cp.xform[SelectedTriangle].color := v;
pnlXFormColor.Color := ColorValToColor(cp.cmap, v);
updating := true;
scrlXformColor.Position := round(v*1000);
pEdit := @txtXformColor;
updating := false;
end
else assert(false);
pEdit^.Text := FloatToStr(v);
pEdit.Refresh;
HasChanged := True;
DrawPreview;
end;
end;
procedure TEditForm.DragPanelMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
if Button <> mbLeft then exit;
if pnlDragMode then
begin
//SetCaptureControl(nil);
pnlDragMode := false;
Screen.Cursor := crDefault;
if HasChanged then
begin
MainForm.UpdateUndo;
UpdateFlame(true);
HasChanged := False;
end;
end;
end;
procedure TEditForm.DragPanelDblClick(Sender: TObject);
var
pValue: ^double;
pEdit: ^TEdit;
begin
if (Sender = pnlWeight) then
begin
if SelectedTriangle >= Transforms then exit; // hmm
pValue := @cp.xform[SelectedTriangle].density;
if pValue^ = 0.5 then exit;
pValue^ := 0.5;
pEdit := @txtP;
end
else if (Sender = pnlSymmetry) then
begin
pValue := @cp.xform[SelectedTriangle].symmetry;
if SelectedTriangle = Transforms then begin
if pValue^ = 1 then exit;
pValue^ := 1;
end
else begin
if pValue^ = 0 then exit;
pValue^ := 0;
end;
pEdit := @txtSymmetry;
end
else if (Sender = pnlXformColor) then
begin
pValue := @cp.xform[SelectedTriangle].color;
if pValue^ = 0 then exit;
pValue^ := 0;
pEdit := @txtXformColor;
end
else assert(false);
MainForm.UpdateUndo;
pEdit^.Text := FloatToStr(pValue^);
UpdateFlame(true);
end;
procedure TEditForm.mnuResetTrgRotationClick(Sender: TObject);
var
dx, dy: double;
ax, ay, da: integer;
nx0, ny0, nx2, ny2: double;
begin
with MainTriangles[SelectedTriangle] do
begin
// xx := x[0] - x[1];
// xy := y[0] - y[1];
// yx := x[2] - x[1];
// yy := y[2] - y[1];
ax := round( arctan2(xy, xx) / (pi/2) );
ay := round( arctan2(yy, yx) / (pi/2) );
dx := Hypot(xx, xy);
dy := Hypot(yx, yy);
if xx*yy - yx*xy >= 0 then da := 1 else da := -1;
if ax = ay then ay := ay + da
else if abs(ax-ay) = 2 then ay := ay - da;
nx0 := x[1] + dx*cos(ax*pi/2);
ny0 := y[1] + dx*sin(ax*pi/2);
nx2 := x[1] + dy*cos(ay*pi/2);
ny2 := y[1] + dy*sin(ay*pi/2);
if (x[0] = nx0) and (y[0] = ny0) and (x[2] = nx2) and (y[2] = ny2) then exit;
MainForm.UpdateUndo;
x[0] := nx0;
y[0] := ny0;
x[2] := nx2;
y[2] := ny2;
UpdateFlame(True);
end;
end;
procedure TEditForm.mnuResetTrgScaleClick(Sender: TObject);
var
dx, dy: double;
nx0, ny0, nx2, ny2: double;
begin
with MainTriangles[SelectedTriangle] do
begin
// xx := x[0] - x[1];
// xy := y[0] - y[1];
// yx := x[2] - x[1];
// yy := y[2] - y[1];
dx := Hypot(xx, xy);
dy := Hypot(yx, yy);
if dx <> 0 then begin
nx0 := x[1] + (x[0] - x[1])/dx;
ny0 := y[1] + (y[0] - y[1])/dx;
end
else begin
nx0 := x[1] + 1;
ny0 := y[1];
end;
if dx <> 0 then begin
nx2 := x[1] + (x[2] - x[1])/dy;
ny2 := y[1] + (y[2] - y[1])/dy;
end
else begin
nx2 := x[1];
ny2 := y[1] + 1;
end;
if (x[0] = nx0) and (y[0] = ny0) and (x[2] = nx2) and (y[2] = ny2) then exit;
MainForm.UpdateUndo;
x[0] := nx0;
y[0] := ny0;
x[2] := nx2;
y[2] := ny2;
UpdateFlame(True);
end;
end;
procedure TEditForm.ResetAxisRotation(n: integer);
var
dx, dy, d: double;
a: integer;
nx, ny: double;
begin
with MainTriangles[SelectedTriangle] do
begin
if n = 1 then
begin
d := Hypot(x[1], y[1]);
if d = 0 then exit;
a := round( arctan2(y[1], x[1]) / (pi/2) );
nx := d*cos(a*pi/2);
ny := d*sin(a*pi/2);
if (x[1] = nx) and (y[1] = ny) then exit;
MainForm.UpdateUndo;
x[1] := nx;
y[1] := ny;
x[0] := x[1] + xx;
y[0] := y[1] + xy;
x[2] := x[1] + yx;
y[2] := y[1] + yy;
UpdateFlame(True);
end
else begin
dx := x[n] - x[1];
dy := y[n] - y[1];
a := round( arctan2(dy, dx) / (pi/2) );
d := Hypot(dx, dy);
nx := x[1] + d*cos(a*pi/2);
ny := y[1] + d*sin(a*pi/2);
if (x[n] = nx) and (y[n] = ny) then exit;
MainForm.UpdateUndo;
x[n] := nx;
y[n] := ny;
UpdateFlame(True);
end;
end;
end;
procedure TEditForm.ResetAxisScale(n: integer);
var
dx, dy, d: double;
nx, ny: double;
begin
with MainTriangles[SelectedTriangle] do
begin
if n = 1 then
begin
d := Hypot(x[1], y[1]);
if d = 0 then exit;
nx := x[1]/d;
ny := y[1]/d;
if (x[1] = nx) and (y[1] = ny) then exit;
MainForm.UpdateUndo;
x[1] := nx;
y[1] := ny;
x[0] := x[1] + xx;
y[0] := y[1] + xy;
x[2] := x[1] + yx;
y[2] := y[1] + yy;
UpdateFlame(True);
end
else begin
dx := x[n] - x[1];
dy := y[n] - y[1];
d := Hypot(dx, dy);
if d <> 0 then begin
nx := x[1] + dx / d;
ny := y[1] + dy / d;
end
else begin
nx := x[1] + ifthen(n=0, 1, 0);
ny := y[1] + ifthen(n=2, 1, 0);
end;
if (x[n] = nx) and (y[n] = ny) then exit;
MainForm.UpdateUndo;
x[n] := nx;
y[n] := ny;
UpdateFlame(True);
end;
end;
end;
procedure TEditForm.tbPostXswapClick(Sender: TObject);
begin
cp.GetFromTriangles(MainTriangles, cp.NumXForms);
with cp.xform[SelectedTriangle] do begin
{ if sender = chkPostXswap then begin
postXswap := chkPostXswap.Checked;
tbPostXswap.Down := postXswap;
tb2PostXswap.Down := postXswap;
end
else begin
chkPostXswap.Checked := not postXswap;
exit;
end;
}
if (sender = tbPostXswap) or (sender = tb2PostXswap) then
postXswap := TToolButton(sender).Down
else
postXswap := not postXswap;
tbPostXswap.Down := postXswap;
tb2PostXswap.Down := postXswap;
// bvlPostCoefs.Visible := postXswap;
// bvlCoefs.Visible := not postXswap;
ShowSelectedInfo;
end;
cp.TrianglesFromCP(MainTriangles);
TriangleView.Refresh;
end;
procedure TEditForm.btnCopyTriangleClick(Sender: TObject);
begin
MemTriangle := MainTriangles[SelectedTriangle];
end;
procedure TEditForm.btnPasteTriangleClick(Sender: TObject);
begin
if (MainTriangles[SelectedTriangle].x[0] <> MemTriangle.x[0]) or
(MainTriangles[SelectedTriangle].x[1] <> MemTriangle.x[1]) or
(MainTriangles[SelectedTriangle].x[2] <> MemTriangle.x[2]) or
(MainTriangles[SelectedTriangle].y[0] <> MemTriangle.y[0]) or
(MainTriangles[SelectedTriangle].y[1] <> MemTriangle.y[1]) or
(MainTriangles[SelectedTriangle].y[2] <> MemTriangle.y[2]) then
begin
MainForm.UpdateUndo;
MainTriangles[SelectedTriangle] := MemTriangle;
UpdateFlame(True);
end;
end;
end.
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