{
Apophysis Copyright (C) 2001-2004 Mark Townsend
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;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
ExtCtrls, StdCtrls, ComCtrls, Math, Menus, ToolWin, Registry, MyTypes,
ControlPoint, Render, cmap, Grids, ValEdit, Buttons, ImgList, CustomDrawControl;
const
// PixelCountMax = 32768;
WM_PTHREAD_COMPLETE = WM_APP + 5438;
crEditArrow = 20;
crEditMove = 21;
crEditRotate = 22;
crEditScale = 23;
type
TEditForm = class(TForm)
GrphPnl: TPanel;
StatusBar: TStatusBar;
ControlPanel: TPanel;
lblTransform: TLabel;
PrevPnl: TPanel;
PreviewImage: TImage;
EditPopup: TPopupMenu;
MenuItem1: TMenuItem;
mnuDelete: TMenuItem;
mnuDuplicate: TMenuItem;
MenuItem2: TMenuItem;
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;
lbla: TLabel;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Label5: TLabel;
Label6: TLabel;
Label29: TLabel;
txtA: TEdit;
txtB: TEdit;
txtC: TEdit;
txtD: TEdit;
txtE: TEdit;
txtF: TEdit;
txtP: TEdit;
txtSymmetry: TEdit;
tabVariations: TTabSheet;
VEVars: TValueListEditor;
tabColors: TTabSheet;
GroupBox1: TGroupBox;
scrlXFormColor: TScrollBar;
pnlXFormColor: TPanel;
txtXFormColor: TEdit;
GroupBox2: TGroupBox;
Label20: TLabel;
Label21: TLabel;
pnlBackColor: TPanel;
chkUseXFormColor: TCheckBox;
chkHelpers: TCheckBox;
pnlReference: TPanel;
TriangleScrollBox: TScrollBox;
TrianglePanel: TPanel;
txtCy: TEdit;
txtCx: TEdit;
txtBy: TEdit;
txtBx: TEdit;
txtAy: TEdit;
txtAx: TEdit;
Label9: TLabel;
Label7: TLabel;
Label11: TLabel;
chkPreserve: TCheckBox;
btTrgRotateRight: TSpeedButton;
btTrgRotateLeft: TSpeedButton;
btTrgMoveUp: TSpeedButton;
btTrgMoveRight: TSpeedButton;
btTrgMoveLeft: TSpeedButton;
btTrgMoveDown: TSpeedButton;
btTrgScaleUp: TSpeedButton;
btTrgScaleDown: TSpeedButton;
rgPivot: TRadioGroup;
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;
tbFlipAllHorz: TToolButton;
tbFlipAllVert: TToolButton;
tbSelect: TToolButton;
btTrgMoveLU: TSpeedButton;
btTrgMoveLD: TSpeedButton;
btTrgMoveRU: TSpeedButton;
btTrgMoveRD: TSpeedButton;
EditorTB: TImageList;
Label8: TLabel;
pnlGridColor1: TPanel;
pnlGridColor2: TPanel;
PreviewToolBar: TToolBar;
tbFullView: TToolButton;
tbLowQ: TToolButton;
tbMedQ: TToolButton;
ToolButton7: TToolButton;
tbResetLoc: TToolButton;
tbHiQ: TToolButton;
ToolButton9: TToolButton;
Panel1: TPanel;
ColorImage: TImage;
TabSheet4: TTabSheet;
vleVariables: TValueListEditor;
mnuReset: TMenuItem;
mnuResetAll: TMenuItem;
tbResetAll: TToolButton;
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 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 CoefExit(Sender: TObject);
procedure scrlXFormColorScroll(Sender: TObject;
ScrollCode: TScrollCode; var ScrollPos: Integer);
procedure scrlXFormColorChange(Sender: TObject);
procedure chkUseXFormColorClick(Sender: TObject);
procedure chkHelpersClick(Sender: TObject);
procedure pnlBackColorClick(Sender: TObject);
procedure pnlReferenceClick(Sender: TObject);
procedure txtXFormColorExit(Sender: TObject);
procedure txtXFormColorKeyPress(Sender: TObject; var Key: Char);
procedure txtSymmetryExit(Sender: TObject);
procedure txtSymmetryKeyPress(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 btTrgMoveLUClick(Sender: TObject);
procedure btTrgMoveLDClick(Sender: TObject);
procedure btTrgMoveRUClick(Sender: TObject);
procedure btTrgMoveRDClick(Sender: TObject);
procedure btTrgScaleUpClick(Sender: TObject);
procedure btTrgScaleDownClick(Sender: TObject);
procedure splitterMoved(Sender: TObject);
procedure tbSelectClick(Sender: TObject);
procedure PreviewImageDblClick(Sender: TObject);
procedure EditKeyPress(Sender: TObject; var Key: Char);
procedure rgPivotClicked(Sender: TObject);
procedure tbEditModeClick(Sender: TObject);
procedure pnlGridColor1Click(Sender: TObject);
procedure pnlGridColor2Click(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 VEVarsDrawCell(Sender: TObject; ACol, ARow: Integer;
// Rect: TRect; State: TGridDrawState);
procedure cbTransformsDrawItem(Control: TWinControl; Index: Integer;
Rect: TRect; State: TOwnerDrawState);
procedure tbFullViewClick(Sender: TObject);
procedure ColorImageMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure ColorImageMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
procedure ColorImageMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure EditKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure txtValidateValue(Sender: TObject);
procedure txtValKeyPress(Sender: TObject; var Key: Char);
procedure mnuResetClick(Sender: TObject);
procedure mnuResetAllClick(Sender: TObject);
private
TriangleView: TCustomDrawControl;
cmap: TColorMap;
// cp1: TControlPoint;
PreviewDensity: double;
// --Z--
viewDragMode, viewDragged: boolean;
editMode, oldMode: (modeNone, modeMove, modeRotate, modeScale);
modeKey: word;
key_handled: boolean;
MousePos: TPoint; // in screen coordinates
mouseOverTriangle, mouseOverCorner: integer;
varDragMode: boolean;
varDragIndex :integer;
varDragValue: double;
varDragPos, varDragOld: integer;
varMM: boolean; //hack?
// --Z-- variables moved from outside
GraphZoom: double;
CornerCaught: boolean;
TriangleCaught: boolean;
// SelectedTriangle: integer; // outside only for scripting (??)
SelectedCorner: integer;
SelectMode: boolean;
HasChanged: boolean;
oldx, oldy, olddist: double;
Pivot: TSPoint;
VarsCache: array[0..64] of double; // hack: to prevent slow valuelist redraw
colorDrag, colorChanged: boolean;
colorDragX, colorOldX: integer;
{ Options }
UseFlameBackground, UseTransformColors: boolean;
BackGroundColor, ReferenceTrianglecolor: integer;
GridColor1, GridColor2: integer; // --Z--
procedure UpdateFlameX;
procedure UpdateFlame(DrawMain: boolean);
procedure DeleteTriangle(t: integer);
function GetPivot: TSPoint;
function GetTriangleColor(n: integer): TColor;
// --Z-- functions moved from outside (?)
procedure ShowSelectedInfo;
procedure Scale(var fx, fy: double; x, y: integer);
// procedure ReadjustWeights(var cp: TControlPoint);
public
cp: TControlPoint;
Render: TRenderer;
SelectedTriangle: integer;
procedure UpdateDisplay(preview_only: boolean = false);
procedure AutoZoom;
procedure TriangleViewPaint(Sender: TObject);
end;
const
TrgColors: array[-1..13] of TColor = (clGray,
$0000ff, $00ffff, $00ff00, $ffff00, $ff0000, $ff00ff, $007fff,
$7f00ff, $55ffff, $ccffcc, $ffffaa, $ff7f7f, $ffaaff, $55ccff );
var
EditForm: TEditForm;
// pcenterx, pcentery, pscale: double;
function ColorValToColor(c: TColorMap; index: double): TColor;
function FlipTriangleVertical(t: TTriangle): TTriangle;
function FlipTriangleHorizontal(t: TTriangle): TTriangle;
function RotateTriangle(t: TTriangle; rad: double): TTriangle;
function OffsetTriangle(t: TTriangle; range: double): TTriangle;
function ScaleTriangle(t: TTriangle; scale: double): TTriangle;
function RotateTriangleCenter(t: TTriangle; rad: double): TTriangle;
function RotateTrianglePoint(t: TTriangle; x, y, rad: double): TTriangle;
function Centroid(t: TTriangle): TSPoint;
function OffsetTriangleRandom(t: TTriangle): TTriangle;
function ScaleTriangleCenter(t: TTriangle; scale: double): TTriangle;
function ScaleTrianglePoint(t: TTriangle; x, y, scale: double): TTriangle;
procedure ScaleAll;
implementation
uses
Main, Global, Adjust, Mutate, XformMan;
const
SUB_BATCH_SIZE = 1000;
SC_MyMenuItem1 = WM_USER + 1;
var
oldTriangle: TTriangle;
gCenterX: double;
gCenterY: double;
HelpersEnabled: boolean = true;
{$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);
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;
procedure ScaleAll;
var
i, j: integer;
begin
for i := 0 to 2 do
begin
MainTriangles[-1].y[i] := MainTriangles[-1].y[i] * 0.2;
MainTriangles[-1].x[i] := MainTriangles[-1].x[i] * 0.2;
end;
for j := 0 to Transforms - 1 do
for i := 0 to 2 do
begin
MainTriangles[j].y[i] := MainTriangles[j].y[i] * 0.2;
MainTriangles[j].x[i] := MainTriangles[j].x[i] * 0.2;
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);
result := c[i][2] shl 16 + c[i][1] shl 8 + c[i][0];
end;
procedure TEditForm.UpdateDisplay(preview_only: boolean = false);
var
i: integer;
pw, ph: integer;
r: double;
begin
// currently EditForm does not really know if we selected another
// flame in the Main Window - which is kinda not good...
if NumXForms(cp) <> NumXForms(MainCp) then
begin
SelectedTriangle := 0;
mouseOverTriangle := -1;
end;
cp.copy(MainCp);
pw := PrevPnl.Width - 2;
ph := PrevPnl.Height - 2;
if (cp.width / cp.height) > (PrevPnl.Width / PrevPnl.Height) then
begin
PreviewImage.Width := pw;
r := cp.width / PreviewImage.Width;
PreviewImage.height := round(cp.height / r);
PreviewImage.Left := 1;
PreviewImage.Top := (ph - PreviewImage.Height) div 2;
end
else begin
PreviewImage.Height := ph;
r := cp.height / PreviewImage.height;
PreviewImage.Width := round(cp.Width / r);
PreviewImage.Top := 1;
PreviewImage.Left := (pw - PreviewImage.Width) div 2;
end;
AdjustScale(cp, PreviewImage.Width, PreviewImage.Height);
DrawPreview;
if preview_only then exit;
cp.cmap := MainCp.cmap;
cmap := MainCp.cmap;
cbTransforms.Clear;
for i := 0 to Transforms - 1 do
cbTransforms.Items.Add(IntToStr(i + 1));
ShowSelectedInfo;
AutoZoom;
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.Compatibility := compatibility;
Render.SetCP(cp);
Render.Render;
PreviewImage.Picture.Bitmap.Assign(Render.GetImage);
PreviewImage.refresh;
end;
(*
procedure TEditForm.ReadjustWeights(var cp: TControlPoint);
{ Thanks to Rudy...code from Chaos }
// --Z-- and thanks to me for removing this! ;-)
var
total, othertotals, excess: double;
t, i: integer;
begin
t := NumXForms(cp);
{ /* First determine the excess. */ }
total := 0.0;
othertotals := 0.0;
for i := 0 to T - 1 do
if cp.xform[i].density <> 0.0 then
begin
total := total + cp.xform[i].density;
if (i <> SelectedTriangle) then
othertotals := othertotals + cp.xform[i].density;
end;
{ /* Now we need to fix'em */ }
//z excess := total - 1.0;
excess := 1.0 - (total - 1.0)/othertotals; // --Z--
for i := 0 to T - 1 do
if (i <> SelectedTriangle) and (cp.xform[i].density <> 0) then
//z cp.xform[i].density := cp.xform[i].density - cp.xform[i].density / othertotals * excess;
cp.xform[i].density := cp.xform[i].density * excess; // --Z--
end;
*)
procedure TEditForm.ShowSelectedInfo;
var
t: integer;
i: integer;
a, b, c, d, e, f: double;
v: double;
strval: string;
begin
t := SelectedTriangle; // why 't' ?
if (t >= Transforms) then t := Transforms - 1;
//if EditForm.cbTransforms.ItemIndex <> t then EditForm.cbTransforms.ItemIndex := t;
EditForm.cbTransforms.ItemIndex := t;
//select combobox item
EditForm.txtAx.text := Format('%.6g', [MainTriangles[t].x[0]]);
EditForm.txtAy.text := Format('%.6g', [MainTriangles[t].y[0]]);
EditForm.txtBx.text := Format('%.6g', [MainTriangles[t].x[1]]);
EditForm.txtBy.text := Format('%.6g', [MainTriangles[t].y[1]]);
EditForm.txtCx.text := Format('%.6g', [MainTriangles[t].x[2]]);
EditForm.txtCy.text := Format('%.6g', [MainTriangles[t].y[2]]);
EditForm.lblTransform.Refresh;
EditForm.txtAx.Refresh;
EditForm.txtAy.Refresh;
EditForm.txtBx.Refresh;
EditForm.txtBy.Refresh;
EditForm.txtCx.Refresh;
EditForm.txtCy.Refresh;
a := EditForm.cp.xform[t].c[0][0];
b := EditForm.cp.xform[t].c[1][0];
c := EditForm.cp.xform[t].c[0][1];
d := EditForm.cp.xform[t].c[1][1];
e := EditForm.cp.xform[t].c[2][0];
f := EditForm.cp.xform[t].c[2][1];
EditForm.txtA.text := Format('%.6g', [a]);
EditForm.txtB.text := Format('%.6g', [b]);
EditForm.txtC.text := Format('%.6g', [c]);
EditForm.txtD.text := Format('%.6g', [d]);
EditForm.txtE.text := Format('%.6g', [e]);
EditForm.txtF.text := Format('%.6g', [f]);
EditForm.txtP.text := Format('%.6g', [EditForm.cp.xform[t].density]);
EditForm.txtSymmetry.text := Format('%.6g', [EditForm.cp.xform[t].symmetry]);
EditForm.txtA.Refresh;
EditForm.txtB.Refresh;
EditForm.txtC.Refresh;
EditForm.txtD.Refresh;
EditForm.txtE.Refresh;
EditForm.txtF.Refresh;
EditForm.txtP.Refresh;
EditForm.pnlXFormColor.Color := ColorValToColor(EditForm.cp.cmap, EditForm.cp.xform[t].color);
EditForm.txtXFormColor.Text := Format('%1.3f', [cp.xform[t].color]);//FloatToStr(EditForm.cp.xform[t].color);
EditForm.scrlXFormcolor.Position := Trunc(EditForm.cp.xform[t].color * scrlXFormColor.Max);
for i := 0 to NRVAR-1 do begin
v:=EditForm.cp.xform[SelectedTriangle].vars[i];
if v <> VarsCache[i] then
begin
VarsCache[i]:=v;
EditForm.VEVars.Values[VarNames(i)] := Format('%.6g', [v]);
end;
end;
for i:= 0 to GetNrVariableNames - 1 do begin
cp.xform[SelectedTriangle].GetVariable(GetVariableNameAt(i), v);
strval := Format('%.6g', [v]);
// kinda funny, but it's really helped...
if vleVariables.Values[GetVariableNameAt(i)] <> strval then
vleVariables.Values[GetVariableNameAt(i)] := strval;
end;
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 Transforms - 1 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
begin
GraphZoom := TriangleView.Width / 60 / gxlength;
end
else
begin
GraphZoom := TriangleView.Height / 60 / gylength;
end;
EditForm.StatusBar.Panels[2].Text := Format('Zoom: %f', [GraphZoom]);
TriangleView.Invalidate;//Refresh;
end;
procedure TEditForm.UpdateFlameX;
var
i: integer;
begin
for i := 0 to transforms - 1 do
begin
// CP_compute(cp1, Triangles[i], Triangles[-1], i);
solve3(MainTriangles[-1].x[0], MainTriangles[-1].y[0], MainTriangles[i].x[0],
MainTriangles[-1].x[1], MainTriangles[-1].y[1], MainTriangles[i].x[1],
MainTriangles[-1].x[2], MainTriangles[-1].y[2], MainTriangles[i].x[2],
cp.xform[i].c[0][0], cp.xform[i].c[1][0], cp.xform[i].c[2][0]);
solve3(MainTriangles[-1].x[0], MainTriangles[-1].y[0], MainTriangles[i].y[0],
MainTriangles[-1].x[1], MainTriangles[-1].y[1], MainTriangles[i].y[1],
MainTriangles[-1].x[2], MainTriangles[-1].y[2], MainTriangles[i].y[2],
cp.xform[i].c[0][1], cp.xform[i].c[1][1], cp.xform[i].c[2][1]);
end;
cp.GetFromTriangles(MainTriangles, transforms);
// if not chkPreserve.checked then ComputeWeights(cp, MainTriangles, transforms);
DrawPreview;
ShowSelectedInfo;
TriangleView.Refresh;;
end;
procedure TEditForm.UpdateFlame(DrawMain: boolean);
begin
//; MainForm.StopThread;
StatusBar.Panels[2].Text := Format('Zoom: %f', [GraphZoom]);
cp.GetFromTriangles(MainTriangles, transforms);
// if not chkPreserve.Checked then ComputeWeights(cp, MainTriangles, transforms);
DrawPreview;
ShowSelectedInfo;
TriangleView.Refresh;
if DrawMain then begin
MainForm.StopThread;
MainCp.Copy(cp);
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.DeleteTriangle(t: integer);
var
i, j: integer;
begin
if Transforms > 2 then
{ Can't have less than 2 transofms}
begin
MainForm.UpdateUndo;
if t = (Transforms - 1) then
{ Last triangle...just reduce number}
begin
Transforms := Transforms - 1;
SelectedTriangle := Transforms - 1;
cp.xform[transforms].density := 0;
cbTransforms.Clear;
UpdateFlame(True);
end
else
begin
for i := t to Transforms - 2 do
begin
{ copy higher transforms down }
MainTriangles[i] := MainTriangles[i + 1];
cp.xform[i].density := cp.xform[i + 1].density;
cp.xform[i].color := cp.xform[i + 1].color;
cp.xform[i].symmetry := cp.xform[i + 1].symmetry;
for j := 0 to NRVAR - 1 do
cp.xform[i].vars[j] := cp.xform[i + 1].vars[j];
end;
Transforms := Transforms - 1;
cp.xform[transforms].density := 0;
UpdateFlame(True);
end;
cbTransforms.clear;
for i := 0 to Transforms - 1 do
cbTransforms.Items.Add(IntToStr(i + 1));
cbTransforms.ItemIndex := SelectedTriangle;
end;
end;
function 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 := Transforms - 1 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 chkUseXFormColor.checked then
Result := ColorValToColor(MainCp.cmap, cp.xform[n].color)
else Result := TrgColors[n mod 14];
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
i: integer;
d, d1, dx, dy, k: double;
tx, ty: double;
ax, ay: integer;
a, b, c: TPoint;
BitMap: TBitMap;
Width, Height: integer;
gridX1, gridX2, gridY1, gridY2, gi, gstep: double;
gp: TRoundToRange;
label DrawCorner;
begin
assert(SelectedTriangle >= 0);
assert(TCustomDrawControl(Sender) = TriangleView);
if SelectedTriangle >= Transforms then SelectedTriangle := Transforms-1;
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 := pnlBackColor.Color;
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 := pnlReference.Color;
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 := pnlBackColor.Color;
Font.color := Pen.color;
TextOut(c.x-9, c.y-12, 'C');
TextOut(b.x-8, b.y+1, 'B');
TextOut(a.x+2, a.y+1, 'A');
Pen.Style := psSolid;
{Transforms}
for i := 0 to Transforms - 1 do
begin
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]);
Pen.Color := GetTriangleColor(i);
if i <> SelectedTriangle then Pen.Style := psDot;
Polyline([a, b, c, a]);
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, 'C');
TextOut(b.x+2, b.y+1, 'B');
TextOut(a.x+2, a.y+1, 'A');
end;
if (TriangleCaught or CornerCaught) then // if dragging, draw pivot axis
begin
if HelpersEnabled then
begin
pen.Color := $808080;
//pen.Color := 0;
//brush.Color := $808080;
pen.Mode := pmMerge;
pen.Style := psSolid;//psDot;
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) or (editMode = modeScale) 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 := Hypot(tx, ty);
d1 := dist(Pivot.x, Pivot.y, MainTriangles[SelectedTriangle].x[i], MainTriangles[SelectedTriangle].y[i]);
if d1 > d then begin
d := d1;
end;
end;
d1 := Hypot(dx, dy);
if (d1 <> d) and (d1 <> 0) then
begin
dx := dx/d1 * d;
dy := dy/d1 * d;
end;
end;
//i := min( min(Width, Height), integer(round(dmax * sc)));
i := integer(round(d * sc));
if i > 4 then begin
pen.Color := $808080;
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); // not necessary but it looks better with it...
LineTo(b.X, b.y);
end;
// rotated axis
if (dx <> 0) and (dy <> 0) then
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
else //if editMode = modeMove then // draw target axis
begin
Pen.Color := $808080;
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
mouseOverTriangle := SelectedTriangle;
end;
if (mouseOverTriangle >= 0) then // highlight triangle under cursor
begin
a := ToScreen(MainTriangles[mouseOverTriangle].x[0], MainTriangles[mouseOverTriangle].y[0]);
b := ToScreen(MainTriangles[mouseOverTriangle].x[1], MainTriangles[mouseOverTriangle].y[1]);
c := ToScreen(MainTriangles[mouseOverTriangle].x[2], MainTriangles[mouseOverTriangle].y[2]);
pen.Width:=2;
Pen.Color:=GetTriangleColor(mouseOverTriangle) shr 1 and $7f7f7f;
Pen.Mode:=pmMerge;
brush.Color:=Pen.Color shr 1 and $7f7f7f;
if SelectMode 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;
brush.Color:=clSilver;
if CornerCaught then // draw selected corner
begin
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) and (mouseOverCorner >= 0) then // highlight corner under cursor
begin
a := ToScreen(MainTriangles[mouseOverTriangle].x[mouseOverCorner], MainTriangles[mouseOverTriangle].y[mouseOverCorner]);
Ellipse(a.x - 4, a.y - 4, a.x + 4, a.y + 4);
end;
// draw pivot point
a := ToScreen(GetPivot.x, GetPivot.y);
Pen.Style := psSolid;
pen.Color := clWhite;
brush.Color := clSilver;
Ellipse(a.x - 2, a.y - 2, a.x + 2, a.y + 2);
if TWinControl(Sender).Focused then
begin
pen.Color := $808080;
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
Screen.Cursors[crEditArrow] := LoadCursor(HInstance, 'CUR_ARROW');
Screen.Cursors[crEditMove] := LoadCursor(HInstance, 'CUR_MOVE');
Screen.Cursors[crEditRotate] := LoadCursor(HInstance, 'CUR_ROTATE');
Screen.Cursors[crEditScale] := LoadCursor(HInstance, 'CUR_SCALE');
// 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 := rgPivotClicked; // hack: it's only Invalidate() in there :)
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;
CornerCaught := False;
TriangleCaught := False;
mouseOverTriangle := -1;
mouseOverCorner := -1;
for i := 0 to NRVAR-1 do
VarsCache[i] := MinDouble;
end;
procedure TEditForm.TriangleViewMouseMove(Sender: TObject; Shift: TShiftState;
X, Y: integer);
var
vx, vy, fx, fy: double;
mt, mc: integer;
a, t: double;
i, j: integer;
d: double;
i0, i1: integer;
label FoundCorner, Skip1, Skip2;
begin
Scale(fx, fy, x, y);
// --Z--
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;
if TriangleCaught = false then // look for a point under cursor
begin
if SelectMode then
begin
i0:=0;
i1:=Transforms-1;
end
else begin
i0:=SelectedTriangle;
i1:=i0;
end;
for i := i0 to i1 do
for j := 0 to 2 do
begin
d := dist(fx, fy, MainTriangles[i].x[j], MainTriangles[i].y[j]);
if (d * GraphZoom * 50) < 4 then
begin
mouseOverTriangle:=i;
mouseOverCorner:=j;
goto FoundCorner;
end;
end;
mouseOverCorner:=-1;
i := InsideTriangle(fx, fy);
if i >= 0 then mouseOverTriangle:=i
else mouseOverTriangle:=-2;
FoundCorner:
end;
if (mouseOverTriangle >= 0) or (SelectMode = false) or (oldMode <> modeNone) then
case editMode of
modeMove:
TriangleView.Cursor := crEditMove;
modeRotate:
TriangleView.Cursor := crEditRotate;
modeScale:
TriangleView.Cursor := crEditScale;
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;
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� <ABC: %3.2f�', [a*180/PI, vy*180/PI]);
end
else if (editMode = modeScale) then
begin // move point along vector ("scale")
if olddist<>0 then begin
vy := (oldx*(fx-Pivot.X) + oldy*(fy-Pivot.Y))/(olddist*olddist);
MainTriangles[SelectedTriangle].x[SelectedCorner] := Pivot.X+oldx*vy;
MainTriangles[SelectedTriangle].y[SelectedCorner] := Pivot.Y+oldy*vy;
StatusBar.Panels[2].Text := Format('Scale: %3.2f%%', [vy*100]);
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;
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� Local axis: %3.2f�', [a*180/PI, arctan2(vy, vx)*180/PI])
else StatusBar.Panels[2].Text := Format('Rotate: %3.2f�', [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))/(olddist*olddist);
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;
MainTriangles[SelectedTriangle].x[0] := OldTriangle.x[0] + vx;
MainTriangles[SelectedTriangle].y[0] := OldTriangle.y[0] + vy;
MainTriangles[SelectedTriangle].x[1] := OldTriangle.x[1] + vx;
MainTriangles[SelectedTriangle].y[1] := OldTriangle.y[1] + vy;
MainTriangles[SelectedTriangle].x[2] := OldTriangle.x[2] + vx;
MainTriangles[SelectedTriangle].y[2] := OldTriangle.y[2] + vy;
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)) then
begin
if (mouseOverTriangle >= 0) then
StatusBar.Panels[2].Text := Format('Transform #%d', [mouseOverTriangle+1])
else StatusBar.Panels[2].Text := '';
TriangleView.Refresh;
end
end;
procedure TEditForm.TriangleViewMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: integer);
var
d, fx, fy: double;
i, j: integer;
i0, i1: integer;
begin
TWinControl(Sender).SetFocus;
viewDragged := false;
Scale(fx, fy, x, y);
if Button = mbLeft then
begin
Shift := Shift - [ssLeft];
if SelectMode then
begin
i0:=0;
i1:=Transforms-1;
end
else begin // Only check selected triangle
i0:=SelectedTriangle;
i1:=i0;
end;
// Find a corner
for i := i1 downto i0 do
for j := 0 to 2 do
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;
oldx := MainTriangles[SelectedTriangle].x[j] - Pivot.X;
oldy := MainTriangles[SelectedTriangle].y[j] - Pivot.Y;
olddist := sqrt(oldx*oldx + oldy*oldy);
MainForm.UpdateUndo;
ShowSelectedInfo;
TriangleView.Invalidate;
exit;
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 then exit;
end;
TriangleCaught := True;
OldTriangle := MainTriangles[SelectedTriangle];
MainForm.UpdateUndo;
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
CornerCaught := False;
TriangleCaught := False;
if HasChanged then
begin
UpdateFlame(true);
HasChanged := False;
end
else TriangleView.Invalidate;
end
else if (Button = mbRight) and viewDragMode then
begin
viewDragMode := false;
if viewDragged=false then // haven't dragged - popup menu then
begin
GetCursorPos(mousepos); // hmmm
EditPopup.Popup(mousepos.x, mousepos.y);
end
else viewDragged := false;
Screen.Cursor := crDefault;
SetCaptureControl(nil);
exit;
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');
{ Options }
if Registry.ValueExists('UseTransformColors') then
begin
UseTransformColors := Registry.ReadBool('UseTransformColors');
end
else
begin
UseTransformColors := False;
end;
if Registry.ValueExists('UseFlameBackground') then
begin
UseFlameBackground := Registry.ReadBool('UseFlameBackground');
end
else
begin
UseFlameBackground := False;
end;
if Registry.ValueExists('BackgroundColor') then
BackgroundColor := Registry.ReadInteger('BackgroundColor')
else
BackgroundColor := integer(clBlack);
if Registry.ValueExists('GridColor1') then
GridColor1 := Registry.ReadInteger('GridColor1')
else
GridColor1 := $444444;
if Registry.ValueExists('GridColor2') then
GridColor2 := Registry.ReadInteger('GridColor2')
else
GridColor2 := $333333;
if Registry.ValueExists('ReferenceTriangleColor') then
ReferenceTriangleColor := Registry.ReadInteger('ReferenceTriangleColor')
else
ReferenceTriangleColor := $7f7f7f;
if Registry.ValueExists('ResetLocation') then
mnuResetLoc.checked := Registry.ReadBool('ResetLocation')
else mnuResetLoc.checked := true;
tbResetLoc.Down := mnuResetLoc.checked;
end
else begin
UseTransformColors := False;
UseFlameBackground := False;
BackgroundColor := $000000;
GridColor1 := $444444;
GridColor2 := $333333;
ReferenceTriangleColor := integer(clGray);
mnuResetLoc.checked := true;
tbResetLoc.Down := true;
end;
Registry.CloseKey;
finally
Registry.Free;
end;
chkUseXFormColor.checked := UseTransformColors;
// chkFlameBack.checked := UseFlameBackground;
pnlBackColor.Color := TColor(BackgroundColor);
GrphPnl.Color := TColor(BackgroundColor);
pnlGridColor1.Color := GridColor1;
pnlGridColor2.Color := GridColor2;
pnlReference.color := TColor(ReferenceTriangleColor);
UpdateDisplay;
end;
procedure TEditForm.mnuDeleteClick(Sender: TObject);
begin
if SelectedTriangle > -1 then DeleteTriangle(SelectedTriangle);
end;
procedure TEditForm.mnuAddClick(Sender: TObject);
var
i: integer;
begin
if Transforms < NXFORMS then
begin
MainForm.UpdateUndo;
Transforms := Transforms + 1;
MainTriangles[Transforms - 1] := MainTriangles[-1];
SelectedTriangle := Transforms - 1;
// ComputeWeights(cp, MainTriangles, transforms);
cp.xform[Transforms - 1].density := 0.5;
cp.xform[Transforms - 1].vars[0] := 1;
for i := 1 to NRVAR - 1 do
cp.xform[Transforms - 1].vars[i] := 0;
cbTransforms.clear;
for i := 0 to Transforms - 1 do
cbTransforms.Items.Add(IntToStr(i + 1));
UpdateFlame(True);
end;
end;
procedure TEditForm.mnuDupClick(Sender: TObject);
var
i: integer;
begin
if Transforms < NXFORMS then
begin
MainForm.UpdateUndo;
Transforms := Transforms + 1;
MainTriangles[Transforms - 1] := MainTriangles[SelectedTriangle];
// ComputeWeights(cp, MainTriangles, transforms);
cp.xform[Transforms - 1].density := cp.xform[SelectedTriangle].density;
for i := 0 to NRVAR - 1 do
cp.xform[Transforms - 1].vars[i] := cp.xform[SelectedTriangle].vars[i];
SelectedTriangle := Transforms - 1;
cbTransforms.clear;
for i := 0 to Transforms - 1 do
cbTransforms.Items.Add(IntToStr(i + 1));
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 ;
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 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 then NewVal := 0;
if NewVal > 0.99 then NewVal := 0.99;
{ 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 then NewVal := 0;
if NewVal > 0.99 then NewVal := 0.99;
{ 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('UseTransformColors', UseTransformColors);
Registry.WriteBool('UseFlameBackground', UseFlameBackground);
Registry.WriteInteger('BackgroundColor', BackgroundColor);
Registry.WriteInteger('GridColor1', GridColor1);
Registry.WriteInteger('GridColor2', GridColor2);
Registry.WriteInteger('ReferenceTriangleColor', ReferenceTriangleColor);
Registry.WriteBool('ResetLocation', mnuResetLoc.checked);
{ 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.FormDestroy(Sender: TObject);
begin
cp.free;
Render.free;
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;
AdjustScale(cp, 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 - 1 do
begin
MainTriangles[i] := FlipTriangleVertical(MainTriangles[i]);
end;
AutoZoom;
UpdateFlame(True);
end;
procedure TEditForm.mnuHorizintalFlipAllClick(Sender: TObject);
var
i: integer;
begin
MainForm.UpdateUndo;
for i := -1 to Transforms - 1 do
begin
MainTriangles[i] := FlipTriangleHorizontal(MainTriangles[i]);
end;
AutoZoom;
UpdateFlame(True);
end;
procedure TEditForm.mnuFlipVerticalClick(Sender: TObject);
var
p: double;
begin
MainForm.UpdateUndo;
with MainTriangles[SelectedTriangle] do // --Z--
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 // --Z--
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.TriangleViewDblClick(Sender: TObject);
begin
AutoZoom;
end;
procedure TEditForm.cbTransformsChange(Sender: TObject);
begin
if SelectedTriangle <> cbTransforms.ItemIndex then SelectedTriangle := cbTransforms.ItemIndex;
ShowSelectedInfo;
TriangleView.Invalidate;
end;
procedure TEditForm.cbTransformsDrawItem(Control: TWinControl;
Index: Integer; Rect: TRect; State: TOwnerDrawState);
var
h: integer;
ax,ay,bx,by: integer;
TrgColor: TColor;
begin
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, 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);
var
Allow: boolean;
i: integer;
OldVal, NewVal: double;
begin
i := 0; OldVal := 0;
if key = #13 then
begin
key := #0;
Allow := True;
if Sender = txtA then
i := 0
else if Sender = txtB then
i := 1
else if Sender = txtC then
i := 2
else if Sender = txtD then
i := 3
else if Sender = txtE then
i := 4
else if Sender = txtF then
i := 5;
case i of
0: OldVal := Round6(cp.xform[SelectedTriangle].c[0][0]); //a
1: OldVal := Round6(cp.xform[SelectedTriangle].c[1][0]); //b
2: OldVal := Round6(cp.xform[SelectedTriangle].c[0][1]); //c
3: OldVal := Round6(cp.xform[SelectedTriangle].c[1][1]); //d
4: OldVal := Round6(cp.xform[SelectedTriangle].c[2][0]); //e
5: OldVal := Round6(cp.xform[SelectedTriangle].c[2][1]); //f
end;
// 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 := Format('%.6g', [OldVal]);
Allow := False;
end;
end;
NewVal := Round6(StrToFloat(TEdit(Sender).Text));
TEdit(Sender).Text := 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;
case i of
0: cp.xform[SelectedTriangle].c[0][0] := NewVal; //a
1: cp.xform[SelectedTriangle].c[1][0] := NewVal; //b
2: cp.xform[SelectedTriangle].c[0][1] := NewVal; //c
3: cp.xform[SelectedTriangle].c[1][1] := NewVal; //d
4: cp.xform[SelectedTriangle].c[2][0] := NewVal; //e
5: cp.xform[SelectedTriangle].c[2][1] := NewVal; //f
end;
cp.TrianglesFromCP(MainTriangles);
ShowSelectedInfo;
UpdateFlame(true);
end;
end;
end;
procedure TEditForm.CoefExit(Sender: TObject);
var
Allow: boolean;
i: integer;
NewVal, OldVal: double;
begin
i := 0; OldVal := 0;
Allow := True;
if Sender = txtA then
i := 0
else if Sender = txtB then
i := 1
else if Sender = txtC then
i := 2
else if Sender = txtD then
i := 3
else if Sender = txtE then
i := 4
else if Sender = txtF then
i := 5;
case i of
0: OldVal := Round6(cp.xform[SelectedTriangle].c[0][0]); //a
1: OldVal := Round6(cp.xform[SelectedTriangle].c[1][0]); //b
2: OldVal := Round6(cp.xform[SelectedTriangle].c[0][1]); //c
3: OldVal := Round6(cp.xform[SelectedTriangle].c[1][1]); //d
4: OldVal := Round6(cp.xform[SelectedTriangle].c[2][0]); //e
5: OldVal := Round6(cp.xform[SelectedTriangle].c[2][1]); //f
end;
// 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 := Format('%.6g', [OldVal]);
Allow := False;
end;
end;
NewVal := Round6(StrToFloat(TEdit(Sender).Text));
TEdit(Sender).Text := 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;
case i of
0: cp.xform[SelectedTriangle].c[0][0] := NewVal; //a
1: cp.xform[SelectedTriangle].c[1][0] := NewVal; //b
2: cp.xform[SelectedTriangle].c[0][1] := NewVal; //c
3: cp.xform[SelectedTriangle].c[1][1] := NewVal; //d
4: cp.xform[SelectedTriangle].c[2][0] := NewVal; //e
5: cp.xform[SelectedTriangle].c[2][1] := NewVal; //f
end;
cp.TrianglesFromCP(MainTriangles);
ShowSelectedInfo;
UpdateFlame(true);
end;
end;
procedure TEditForm.scrlXFormColorScroll(Sender: TObject;
ScrollCode: TScrollCode; var ScrollPos: Integer);
begin
if ScrollCode = scEndScroll then UpdateFlame(True);
end;
procedure TEditForm.scrlXFormColorChange(Sender: TObject);
begin
cp.xform[SelectedTriangle].color := (scrlXFormColor.Position) / scrlXFormColor.Max;
txtXFormColor.Text := Format('%1.3f', [cp.xform[SelectedTriangle].color]);
pnlXFormColor.color := ColorValToColor(MainCp.cmap, cp.xform[SelectedTriangle].color);
{
with ColorImage.Canvas do ///..........!
begin
Row := Bitmap.Scanline[0];
for i := 0 to Bitmap.Width - 1 do
begin
with Row[i] do
begin
rgbtRed := Palette[i][0];
rgbtGreen := Palette[i][1];
rgbtBlue := Palette[i][2];
end;
end;
end;
}
DrawPreview;
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.pnlBackColorClick(Sender: TObject);
begin
AdjustForm.ColorDialog.Color := pnlBackColor.Color;
if AdjustForm.ColorDialog.Execute then
begin
pnlBackColor.Color := AdjustForm.ColorDialog.Color;
BackgroundColor := Integer(pnlBackColor.color);
GrphPnl.Color := BackgroundColor;
TriangleView.Invalidate;
end;
end;
procedure TEditForm.pnlReferenceClick(Sender: TObject);
begin
AdjustForm.ColorDialog.Color := pnlReference.Color;
if AdjustForm.ColorDialog.Execute then
begin
pnlReference.Color := AdjustForm.ColorDialog.Color;
ReferenceTriangleColor := Integer(pnlReference.color);
TriangleView.Invalidate;
end;
end;
procedure TEditForm.pnlGridColor1Click(Sender: TObject);
begin
AdjustForm.ColorDialog.Color := pnlGridColor1.Color;
if AdjustForm.ColorDialog.Execute then
begin
pnlGridColor1.Color := AdjustForm.ColorDialog.Color;
GridColor1 := Integer(pnlGridColor1.color);
TriangleView.Invalidate;
end;
end;
procedure TEditForm.pnlGridColor2Click(Sender: TObject);
begin
AdjustForm.ColorDialog.Color := pnlGridColor2.Color;
if AdjustForm.ColorDialog.Execute then
begin
pnlGridColor2.Color := AdjustForm.ColorDialog.Color;
GridColor2 := Integer(pnlGridColor2.color);
TriangleView.Invalidate;
end;
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
scrlXFormColor.Position := round(v * scrlXFormColor.Max);
UpdateFlame(true);
end;
end;
procedure TEditForm.txtXFormColorKeyPress(Sender: TObject; var Key: Char);
var
v: double;
begin
if key = #13 then
begin
key := #0;
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
scrlXFormColor.Position := round(v * scrlXFormColor.Max);
UpdateFlame(true);
end;
end;
end;
procedure TEditForm.txtSymmetryExit(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 < 0 then NewVal := 0;
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.txtSymmetryKeyPress(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 < 0 then NewVal := 0;
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);
if (cell.y < 1) or (cell.y >= TValueListEditor(Sender).RowCount) or
(cell.x <> 0) then exit;
TValueListEditor(Sender).Row := cell.Y;
varDragIndex := cell.Y-1;
Screen.Cursor := crHSplit;
GetCursorPos(mousepos); // hmmm
varDragMode:=true;
varDragPos:=0;
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)] := Format('%.6g', [v]);
end
else begin
cp.xform[SelectedTriangle].SetVariable(vleVariables.Keys[varDragIndex+1], v);
vleVariables.Values[vleVariables.Keys[varDragIndex+1]] := Format('%.6g', [v]);
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
v: double;
begin
if (TValueListEditor(Sender).Values[VarNames(varDragIndex)] = '0') or
(varDragOld >= TValueListEditor(Sender).ColWidths[0]) then exit;
MainForm.UpdateUndo;
if Sender = VEVars then
begin
cp.xform[SelectedTriangle].vars[varDragIndex] := 0;
VEVars.Values[VarNames(varDragIndex)] := '0';
end
else begin
v := 0; // <<<----- hey!!! why there is 'var' in SETvariable???
cp.xform[SelectedTriangle].SetVariable(vleVariables.Keys[varDragIndex+1], v);
vleVariables.Values[vleVariables.Keys[varDragIndex+1]] := '0';
end;
UpdateFlame(true);
end;
{ **************************************************************************** }
function TEditForm.GetPivot: TSPoint;
begin
case (rgPivot.ItemIndex) of
0: begin
Result.x:=MainTriangles[SelectedTriangle].x[0];
Result.y:=MainTriangles[SelectedTriangle].y[0];
end;
1: begin
Result.x:=MainTriangles[SelectedTriangle].x[1];
Result.y:=MainTriangles[SelectedTriangle].y[1];
end;
2: begin
Result.x:=MainTriangles[SelectedTriangle].x[2];
Result.y:=MainTriangles[SelectedTriangle].y[2];
end;
3: Result:=Centroid(MainTriangles[SelectedTriangle]);
else
Result.x:=0;
Result.y:=0;
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;
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;
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;
{
case key of
VK_MENU:
begin
editMode := modeRotate;
// tbRotate.Down := true;
TriangleView.Cursor := crEditRotate;
end;
VK_CONTROL:
begin
editMode := modeScale;
// tbScale.Down := true;
TriangleView.Cursor := crEditScale;
end;
else //VK_SHIFT:
begin
editMode := modeMove;
// tbMove.Down := true;
TriangleView.Cursor := crEditMove;
end;
end;
// EditorToolBar.Refresh;
}
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);
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 < Transforms-1 then begin
Inc(SelectedTriangle);
TriangleView.Invalidate;
ShowSelectedInfo;
end;
VK_SUBTRACT:
if SelectedTriangle > 0 then begin
Dec(SelectedTriangle);
TriangleView.Invalidate;
ShowSelectedInfo;
end;
{ // these keys are not so good, must think about it...
VK_SPACE: EditForm.tbSelectClick(Sender);
Ord('Q'): EditForm.tbEditModeClick(tbMove);
Ord('W'): EditForm.tbEditModeClick(tbRotate);
Ord('E'): EditForm.tbEditModeClick(tbScale);
Ord('A'): PageControl.TabIndex := 0;
Ord('S'): PageControl.TabIndex := 1;
Ord('D'): PageControl.TabIndex := 2;
Ord('F'): PageControl.TabIndex := 3;
Ord('Z'): EditForm.rgPivot.ItemIndex:=0;
Ord('X'): EditForm.rgPivot.ItemIndex:=1;
Ord('C'): EditForm.rgPivot.ItemIndex:=2;
Ord('V'): EditForm.rgPivot.ItemIndex:=3;
Ord('B'): EditForm.rgPivot.ItemIndex:=4;
}
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
UpdateDisplay;
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);
begin
if WheelDelta > 0 then GraphZoom := GraphZoom * 1.25
else GraphZoom := GraphZoom * 0.8;
EditForm.StatusBar.Panels[2].Text := Format('Zoom: %f', [GraphZoom]);
TriangleView.Invalidate;
Handled := true;
end;
procedure TEditForm.PreviewImageDblClick(Sender: TObject);
begin
MainForm.UpdateUndo;
MainForm.ResetLocation;
MainForm.RedrawTimer.enabled := true;
MainForm.UpdateWindows;
end;
procedure TEditForm.rgPivotClicked(Sender: TObject);
begin
TriangleView.Invalidate;
end;
procedure TEditForm.tbEditModeClick(Sender: TObject);
begin
{
if Sender = tbRotate then editMode := modeRotate
else if Sender = tbScale then editMode := modeScale
else editMode := modeMove;
tbMove.Down := (editMode = modeMove);
tbRotate.Down := (editMode = modeRotate);
tbScale.Down := (editMode = modeScale);
}
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;
end;
procedure TEditForm.tbFullViewClick(Sender: TObject);
begin
MainForm.mnuFullScreenClick(Sender);
end;
// --Z-- // transform color scroller - TODO
procedure TEditForm.ColorImageMouseDown(Sender: TObject;
Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
if Button = mbLeft then
begin
SetCaptureControl(ColorImage);
colorDragX:=0;
colorOldX:=x;
colorDrag:=true;
colorChanged:=false;
end;
end;
procedure TEditForm.ColorImageMouseMove(Sender: TObject;
Shift: TShiftState; X, Y: Integer);
var
i, offset: integer;
begin
if colorDrag and (OldX<>x) then
begin
{ oldX:=x;
offset := ( ((x - colorDragX) shl 8) div ColorImage.Width ) mod 256;
colorChanged := true;
for i := 0 to 255 do
begin
Palette[i][0] := BackupPal[(255 + i - offset) and $FF][0];
Palette[i][1] := BackupPal[(255 + i - offset) and $FF][1];
Palette[i][2] := BackupPal[(255 + i - offset) and $FF][2];
end;
cp.CmapIndex := cmbPalette.ItemIndex;
cp.cmap := Palette;
colorImage.Refresh;
} end;
end;
procedure TEditForm.ColorImageMouseUp(Sender: TObject;
Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
if (Button = mbLeft) and colorDrag then
begin
colorDrag := false;
if colorChanged then begin
// MainForm.UpdateUndo;
// cp.xxx := xxx;
// MainCP.copy(cp);
// UpdateXXXX;
SetCaptureControl(nil);
end;
end;
end;
//-- Variable List -------------------------------------------------------------
// --Z-- hmmmm!
// this procedure is EXACT copy of ValidateVariation,
// the only difference is Set/Get-Variable instead of array access,
// which kinda is not good! :-\
// I think we should make an array of variables, maybe just for the editor...
procedure TEditForm.ValidateVariable;
var
i: integer;
NewVal, OldVal: double;
begin
i := vleVariables.Row;
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]);
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;
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.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.mnuResetClick(Sender: TObject);
var
i: integer;
begin
MainForm.UpdateUndo;
MainTriangles[SelectedTriangle] := MainTriangles[-1];
cp.xform[SelectedTriangle].vars[0] := 1;
for i := 1 to NRVAR - 1 do
begin
cp.xform[SelectedTriangle].vars[i] := 0;
end;
UpdateFlame(True);
end;
procedure TEditForm.mnuResetAllClick(Sender: TObject);
var
i: integer;
begin
MainForm.UpdateUndo;
for i := 2 to Transforms-1 do cp.xform[i].density := 0;
Transforms := 2;
SelectedTriangle := 1;
MainTriangles[0] := MainTriangles[-1];
cp.xform[0].density := 0.5;
cp.xform[0].vars[0] := 1;
MainTriangles[1] := MainTriangles[-1];
cp.xform[1].density := 0.5;
cp.xform[1].vars[0] := 1;
for i := 1 to NRVAR - 1 do
begin
cp.xform[0].vars[i] := 0;
cp.xform[1].vars[i] := 0;
end;
cbTransforms.clear;
cbTransforms.Items.Add('1');
cbTransforms.Items.Add('2');
AutoZoom;
UpdateFlame(True);
end;
end.