gamma threshold support added

2.10/Source/Adjust.dfm

@@ -182,7 +182,7 @@ object AdjustForm: TAdjustForm
     Top = 132
     Width = 388
     Height = 129
-    ActivePage = TabSheet3
+    ActivePage = TabSheet2
     Align = alBottom
     Images = MainForm.Buttons
     TabOrder = 1
@@ -511,6 +511,34 @@ object AdjustForm: TAdjustForm
         OnMouseMove = DragPanelMouseMove
         OnMouseUp = DragPanelMouseUp
       end
+      object pnlGammaThreshold: TPanel
+        Left = 232
+        Top = 76
+        Width = 106
+        Height = 21
+        Cursor = crHandPoint
+        Hint = 'Click and drag to change value'
+        BevelOuter = bvLowered
+        Caption = 'Gamma Threshold'
+        ParentShowHint = False
+        ShowHint = True
+        TabOrder = 11
+        OnDblClick = DragPanelDblClick
+        OnMouseDown = DragPanelMouseDown
+        OnMouseMove = DragPanelMouseMove
+        OnMouseUp = DragPanelMouseUp
+      end
+      object txtGammaThreshold: TEdit
+        Left = 338
+        Top = 76
+        Width = 41
+        Height = 21
+        TabOrder = 12
+        Text = '0'
+        OnEnter = txtGammaThresholdEnter
+        OnExit = txtGammaThresholdExit
+        OnKeyPress = txtGammaThresholdKeyPress
+      end
     end
     object TabSheet3: TTabSheet
       Caption = 'Gradient'

2.10/Source/Adjust.pas

@@ -135,6 +135,8 @@ type
     Bevel3: TBevel;
     pnlMasterScale: TPanel;
     editPPU: TEdit;
+    pnlGammaThreshold: TPanel;
+    txtGammaThreshold: TEdit;
     procedure FormCreate(Sender: TObject);
     procedure FormClose(Sender: TObject; var Action: TCloseAction);
     procedure FormDestroy(Sender: TObject);
@@ -264,6 +266,9 @@ type
     procedure PreviewImageMouseUp(Sender: TObject; Button: TMouseButton;
       Shift: TShiftState; X, Y: Integer);
     procedure PreviewImageDblClick(Sender: TObject);
+    procedure txtGammaThresholdKeyPress(Sender: TObject; var Key: Char);
+    procedure txtGammaThresholdEnter(Sender: TObject);
+    procedure txtGammaThresholdExit(Sender: TObject);
 
   private
     Resetting: boolean;
@@ -401,6 +406,8 @@ begin
 
     Resetting := False;
     editPPU.Text := Format('%.6g', [100*cp.pixels_per_unit/PreviewImage.Width]);
+
+    txtGammaThreshold.Text := Format('%.3g', [cp.gamma_threshold]);
   end; //***
   DrawPreview;
 end;
@@ -1938,9 +1945,10 @@ begin
   except
     exit;
   end;
-  if v > 0 then begin
+  v := v/100*PreviewImage.Width;
+  if (v > 0) and (cp.pixels_per_unit <> v) then begin
     MainForm.UpdateUndo;
-    cp.pixels_per_unit := v/100*PreviewImage.Width;
+    cp.pixels_per_unit := v;
     UpdateFlame;
   end;
 end;
@@ -1968,6 +1976,8 @@ begin
     pnlDragValue := cp.brightness
   else if (Sender = pnlVibrancy) then
     pnlDragValue := cp.vibrancy
+  else if (Sender = pnlGammaThreshold) then
+    pnlDragValue := cp.gamma_threshold
   else assert(false);
 
   pnlDragMode := true;
@@ -2040,6 +2050,12 @@ begin
     else if (Sender = pnlVibrancy) then
     begin
       scrollVibrancy.Position := trunc(v * 100);
+    end
+    else if (Sender = pnlGammaThreshold) then
+    begin
+      if v < 0 then v := 0;
+      cp.gamma_threshold := v;
+      txtGammaThreshold.Text := FloattoStr(v);
     end;
     //pEdit^.Text := FloatToStr(v);
     //pEdit.Refresh;
@@ -2097,15 +2113,21 @@ begin
   end
   else if (Sender = pnlGamma) then
   begin
-    scrollGamma.Position := 400;
+    scrollGamma.Position := Round(defGamma * 100);
   end
   else if (Sender = pnlBrightness) then
   begin
-    scrollBrightness.Position := 400;
+    scrollBrightness.Position := Round(defBrightness * 100);
   end
   else if (Sender = pnlVibrancy) then
   begin
-    scrollVibrancy.Position := 100;
+    scrollVibrancy.Position := Round(defVibrancy * 100);
+  end
+  else if (Sender = pnlGammaThreshold) then
+  begin
+    if cp.gamma_threshold = defGammaThreshold then exit;
+    cp.gamma_threshold := defGammaThreshold;
+    txtGammaThreshold.Text := FloatToStr(defGammaThreshold);
   end
   else assert(false);
 
@@ -2219,5 +2241,38 @@ begin
   UpdateFlame;
 end;
 
+procedure TAdjustForm.txtGammaThresholdEnter(Sender: TObject);
+begin
+  EditBoxValue := txtGammaThreshold.Text;
+end;
+
+procedure TAdjustForm.txtGammaThresholdExit(Sender: TObject);
+var
+  v: double;
+begin
+  try
+    v := strtofloat(txtGammaThreshold.Text);
+  except
+    exit;
+  end;
+  if v < 0 then v := 0;
+  if v <> cp.gamma_threshold then begin
+    MainForm.UpdateUndo;
+    cp.gamma_threshold := v;
+    UpdateFlame;
+    EditBoxValue := txtGammaThreshold.Text;
+  end;
+end;
+
+procedure TAdjustForm.txtGammaThresholdKeyPress(Sender: TObject;
+  var Key: Char);
+begin
+  if key=#13 then
+  begin
+    key := #0;
+    txtGammaThresholdExit(Sender);
+  end;
+end;
+
 end.
 

2.10/Source/ControlPoint.pas

@@ -127,7 +127,7 @@ type
 
     estimator, estimator_min, estimator_curve: double; // density estimator.
     jitters: integer;
-    gamma_treshold: double;
+    gamma_threshold: double;
 
 //    PropTable: array of TXForm;
     FAngle: Double;
@@ -269,7 +269,7 @@ begin
   estimator_min := 0.0;
   estimator_curve := 0.4;
   jitters := 1;
-  gamma_treshold := 0.01;
+  gamma_threshold := defGammaThreshold;
 
   FTwoColorDimensions := False;
 
@@ -437,7 +437,6 @@ end;
     xf := xform[0];//random(NumXForms)];
     for i := 0 to FUSE do begin
       xf := xf.PropTable[Random(PROP_TABLE_SIZE)];
-      //if xf.RetraceXform then continue;
       xf.NextPoint(p);
     end;
 
@@ -866,10 +865,7 @@ begin
 
     end else if AnsiCompareText(CurrentToken, 'plotmode') = 0 then begin
       Inc(ParsePos);
-      xform[CurrentXForm].noPlot := (ParseValues[ParsePos] = '1');
+      xform[CurrentXForm].noPlot := (StrToInt(ParseValues[ParsePos]) = 1);
-//    end else if AnsiCompareText(CurrentToken, 'retrace') = 0 then begin
-//      Inc(ParsePos);
-//      xform[CurrentXForm].RetraceXform := (ParseValues[ParsePos] = '1');
     end else begin
       OutputDebugString(Pchar('Unknown Token: ' + CurrentToken));
     end;
@@ -1600,7 +1596,6 @@ begin
       sl.Add(s);
 
       sl.Add(Format('plotmode %d', [Ifthen(noPlot, 1, 0)]));
-//      sl.Add(Format('retrace %d', [Ifthen(RetraceXform, 1, 0)]));
 
     end;
   DecimalSeparator := OldDecimalSperator;
@@ -1622,6 +1617,7 @@ begin
   Result.nick := nick;
   Result.url := url;
   Result.Transparency := Transparency;
+  Result.gamma_threshold := gamma_threshold;
 
   for i := 0 to NXFORMS - 1 do
     Result.xform[i].assign(xform[i]);
@@ -1653,6 +1649,7 @@ begin
   name := cp1.name;
   nick := cp1.nick;
   url := cp1.url;
+  gamma_threshold := cp1.gamma_threshold;
 
   if KeepSizes then
     AdjustScale(w, h);

2.10/Source/Editor.pas

@@ -358,7 +358,8 @@ type
     procedure mnuChaosSetAllClick(Sender: TObject);
     procedure mnuLinkPostxformClick(Sender: TObject);
     procedure chkXformSoloClick(Sender: TObject);
-//    procedure chkRetraceClick(Sender: TObject);
+//    procedure btnInvisibleClick(Sender: TObject);
+//    procedure btnSoloClick(Sender: TObject);
 
   private
     TriangleView: TCustomDrawControl;
@@ -835,8 +836,6 @@ begin
       chkXformInvisible.Enabled := true;
       chkXformInvisible.Checked := noPlot;
       chkXformSolo.Enabled := true;
-//      chkRetrace.Enabled := not noPlot;
-//      chkRetrace.Checked := RetraceXform;
       if cp.soloXform >= 0 then begin
         chkXformSolo.Checked := true;
         chkXformSolo.Caption := Format('Solo transform #%d', [cp.soloXform + 1]);
@@ -1065,7 +1064,6 @@ begin
       modWeights[Transforms-1] := 1;
     end;
     //
-
     if t = (Transforms - 1) then
     begin
       MainTriangles[t] := MainTriangles[Transforms];
@@ -1679,9 +1677,6 @@ begin
     vleVariables.InsertRow(GetVariableNameAt(i), '0', True);
   end;
 
-//  for i:= 0 to NXFORMS - 1 do begin
-//    vleChaos.InsertRow(inttostr(i + 1), '1', True);
-//  end;
   vleChaos.InsertRow('to 1', '1', true);
 
   GraphZoom := 1;
@@ -3326,7 +3321,7 @@ begin
   if Sender = VEVars then
   begin
     v := cp.xform[SelectedTriangle].vars[n];
-    cp.xform[SelectedTriangle].vars[n] := IfThen(DoubleClickSetVars and (v = 0), 1, 0);
+    cp.xform[SelectedTriangle].vars[n] := IfThen(v = 0, 1, 0);
     //VEVars.Values[VarNames(n)] := '0';
     changed := (cp.xform[SelectedTriangle].vars[n] <> v);
   end
@@ -3622,6 +3617,15 @@ begin
     Ord('P'): btnPickPivotClick(Sender);
     Ord('T'): tbPostXswapClick(Sender);
 
+    Ord('I'): // Invisible
+      begin
+        chkXformInvisible.Checked := not chkXformInvisible.Checked;
+      end;
+    Ord('S'): // Solo
+      begin
+        chkXformSolo.Checked := not chkXformSolo.Checked;
+      end;
+
     189: // "-"
       begin
         GraphZoom := GraphZoom * 0.8;
@@ -4918,7 +4922,7 @@ begin
         noEdit := false;
         break;
       end;
-    end;  
+    end;
   if noEdit then exit;
 
   Mainform.UpdateUndo;
@@ -4948,7 +4952,7 @@ begin
         noEdit := false;
         break;
       end;
-    end;  
+    end;
   if noEdit then exit;
 
   Mainform.UpdateUndo;
@@ -5013,15 +5017,32 @@ begin
 end;
 
 {
-procedure TEditForm.chkRetraceClick(Sender: TObject);
+procedure TEditForm.btnInvisibleClick(Sender: TObject);
 var
-  newValue: boolean;
+  newMode: boolean;
 begin
-  if (SelectedTriangle < Transforms) then begin
+  if (SelectedTriangle < Transforms) then
-    newValue := chkRetrace.Checked;
+  begin
-    if cp.xform[SelectedTriangle].RetraceXform <> newValue then begin
+    newMode := btnInvisible.Down;
+    if cp.xform[SelectedTriangle].noPlot <> newMode then begin
       MainForm.UpdateUndo;
-      cp.xform[SelectedTriangle].RetraceXform := newValue;
+      cp.xform[SelectedTriangle].noPlot := newMode;
+      UpdateFlame(true);
+    end;
+  end;
+end;
+
+procedure TEditForm.btnSoloClick(Sender: TObject);
+begin
+  if btnSolo.Down <> (cp.soloXform >=0) then begin
+    if btnSolo.Down then begin
+      if (SelectedTriangle < Transforms) then begin
+        cp.soloXform := SelectedTriangle;
+        UpdateFlame(true);
+      end;
+    end
+    else begin
+      cp.soloXform := -1;
       UpdateFlame(true);
     end;
   end;

2.10/Source/FormExport.dfm

@@ -289,9 +289,9 @@ object ExportDialog: TExportDialog
     object Label14: TLabel
       Left = 160
       Top = 16
-      Width = 39
+      Width = 43
       Height = 26
-      Caption = 'Gamma treshold'
+      Caption = 'Gamma threshold'
       WordWrap = True
     end
     object cmbDepth: TComboBox

2.10/Source/FormExport.pas

@@ -146,7 +146,7 @@ begin
   EstimatorMin := 0.0;
   EstimatorCurve := 0.4;
   Jitters := 1;
-  GammaTreshold := 0.01;
+  GammaTreshold := MainCP.gamma_threshold; //0.01;
   GetLocaleFormatSettings(LOCALE_SYSTEM_DEFAULT, FloatFormatSettings);
   txtEstimator.Text := FloatToStr(Estimator, FloatFormatSettings);
   txtEstimatorMin.Text := FloatToStr(EstimatorMin, FloatFormatSettings);
@@ -287,7 +287,7 @@ end;
 
 procedure TExportDialog.txtGammaTresholdChange(Sender: TObject);
 begin
-  GammaTreshold := 0.01;
+  //GammaTreshold := 0.01;
   try
     GammaTreshold := StrToFloat(txtGammaTreshold.Text, FloatFormatSettings);
   except

2.10/Source/Global.pas

@@ -96,13 +96,13 @@ var
   EditorBkgColor, ReferenceTriangleColor: integer;
   GridColor1, GridColor2, HelpersColor: integer;
   ExtEditEnabled, TransformAxisLock: boolean;
-  DoubleClickSetVars: boolean;
   ShowAllXforms: boolean;
 
   { Display }
 
   defSampleDensity, defPreviewDensity: Double;
-  defGamma, defBrightness, defVibrancy, defFilterRadius: Double;
+  defGamma, defBrightness, defVibrancy,
+  defFilterRadius, defGammaThreshold: Double;
   defOversample: integer;
 
   { Render }

2.10/Source/ImageMaker.pas

@@ -254,6 +254,7 @@ var
   gutter_width: integer;
   k1, k2: double;
   area: double;
+  frac, funcval: double;
 
   GetBucket: function(x, y: integer): TBucket64 of object;
   bucket: TBucket64;
@@ -267,6 +268,9 @@ begin
   vib := round(fcp.vibrancy * 256.0);
   notvib := 256 - vib;
 
+  if fcp.gamma_threshold <> 0 then
+    funcval := power(fcp.gamma_threshold, gamma - 1); { / fcp.gamma_threshold; }
+
   bgi[0] := round(fcp.background[0]);
   bgi[1] := round(fcp.background[1]);
   bgi[2] := round(fcp.background[2]);
@@ -352,8 +356,15 @@ begin
       Inc(bx, FOversample);
 
       if fcp.Transparency then begin // -------------------------- Transparency
+        // gamma linearization
         if (fp[3] > 0.0) then begin
-          alpha := power(fp[3], gamma);
+          if fp[3] <= fcp.gamma_threshold then begin
+            frac := fp[3] / fcp.gamma_threshold;
+            alpha := (1 - frac) * fp[3] * funcval + frac * power(fp[3], gamma);
+          end
+          else
+            alpha := power(fp[3], gamma);
+
           ls := vib * alpha / fp[3];
           ai := round(alpha * 256);
           if (ai <= 0) then goto zero_alpha // ignore all if alpha = 0
@@ -399,7 +410,14 @@ zero_alpha:
       end
       else begin // ------------------------------------------- No transparency
         if (fp[3] > 0.0) then begin
-          alpha := power(fp[3], gamma);
+          // gamma linearization
+          if fp[3] <= fcp.gamma_threshold then begin
+            frac := fp[3] / fcp.gamma_threshold;
+            alpha := (1 - frac) * fp[3] * funcval + frac * power(fp[3], gamma);
+          end
+          else
+            alpha := power(fp[3], gamma);
+
           ls := vib * alpha / fp[3];
           ai := round(alpha * 256);
           if (ai < 0) then ai := 0

2.10/Source/Main.dfm

@@ -31,7 +31,7 @@ object MainForm: TMainForm
     Left = 160
     Top = 28
     Width = 4
-    Height = 435
+    Height = 430
   end
   object ToolBar: TToolBar
     Left = 0
@@ -72,7 +72,6 @@ object MainForm: TMainForm
       Left = 69
       Top = 0
       Width = 8
-      Caption = 'ToolButton9'
       ImageIndex = 8
       Style = tbsSeparator
     end
@@ -98,7 +97,6 @@ object MainForm: TMainForm
       Left = 123
       Top = 0
       Width = 8
-      Caption = 'ToolButton1'
       ImageIndex = 18
       Style = tbsSeparator
     end
@@ -142,7 +140,6 @@ object MainForm: TMainForm
       Left = 217
       Top = 0
       Width = 8
-      Caption = 'ToolButton3'
       ImageIndex = 8
       Style = tbsSeparator
     end
@@ -190,7 +187,6 @@ object MainForm: TMainForm
       Left = 340
       Top = 0
       Width = 8
-      Caption = 'ToolButton4'
       ImageIndex = 14
       Style = tbsSeparator
     end
@@ -222,7 +218,6 @@ object MainForm: TMainForm
       Left = 417
       Top = 0
       Width = 8
-      Caption = 'ToolButton5'
       ImageIndex = 42
       Style = tbsSeparator
     end
@@ -247,7 +242,6 @@ object MainForm: TMainForm
       Left = 471
       Top = 0
       Width = 8
-      Caption = 'ToolButton6'
       ImageIndex = 42
       Style = tbsSeparator
     end
@@ -292,14 +286,12 @@ object MainForm: TMainForm
       Style = tbsCheck
       OnClick = tbRotateClick
     end
-    object ToolButton2: TToolButton
+    object tbTraceSeparator: TToolButton
       Left = 571
       Top = 0
       Width = 8
-      Caption = 'ToolButton2'
       ImageIndex = 39
       Style = tbsSeparator
-      Visible = False
     end
     object tbShowTrace: TToolButton
       Left = 579
@@ -307,7 +299,6 @@ object MainForm: TMainForm
       Hint = 'Show trace window'
       Caption = 'tbShowTrace'
       ImageIndex = 38
-      Visible = False
       OnClick = tbShowTraceClick
     end
   end
@@ -315,7 +306,7 @@ object MainForm: TMainForm
     Left = 0
     Top = 28
     Width = 160
-    Height = 435
+    Height = 430
     Align = alLeft
     Columns = <
       item
@@ -336,7 +327,7 @@ object MainForm: TMainForm
     Left = 164
     Top = 28
     Width = 557
-    Height = 435
+    Height = 430
     Align = alClient
     BevelInner = bvLowered
     BevelOuter = bvNone
@@ -347,7 +338,7 @@ object MainForm: TMainForm
       Left = 1
       Top = 1
       Width = 555
-      Height = 433
+      Height = 428
       Align = alClient
       Anchors = []
       Center = True
@@ -361,7 +352,7 @@ object MainForm: TMainForm
   end
   object StatusBar: TStatusBar
     Left = 0
-    Top = 463
+    Top = 458
     Width = 721
     Height = 19
     Panels = <
@@ -2918,6 +2909,14 @@ object MainForm: TMainForm
         Caption = '-'
         GroupIndex = 2
       end
+      object mnuBuiltinVars: TMenuItem
+        Caption = 'Built-in'
+        GroupIndex = 2
+      end
+      object mnuPluginVars: TMenuItem
+        Caption = 'Plugins'
+        GroupIndex = 2
+      end
     end
     object mnuScript: TMenuItem
       Caption = 'Script'

2.10/Source/Main.pas

@@ -184,6 +184,8 @@ type
     tbShowTrace: TToolButton;
     tbTraceSeparator: TToolButton;
     mnuRenderAll: TMenuItem;
+    mnuBuiltinVars: TMenuItem;
+    mnuPluginVars: TMenuItem;
     procedure tbzoomoutwindowClick(Sender: TObject);
     procedure mnuimageClick(Sender: TObject);
     procedure mnuExitClick(Sender: TObject);
@@ -1371,6 +1373,9 @@ begin
     if cp1.vibrancy <> 1 then
       parameters := parameters + format('vibrancy="%g" ', [cp1.vibrancy]);
 
+    if cp1.gamma_threshold <> 0 then
+      parameters := parameters + format('gamma_threshold="%g" ', [cp1.gamma_threshold]);
+
     if cp1.soloXform >= 0 then
       parameters := parameters + format('soloxform="%d" ', [cp1.soloXform]);
 
@@ -1378,8 +1383,7 @@ begin
       format('estimator_radius="%g" ', [cp1.estimator]) +
       format('estimator_minimum="%g" ', [cp1.estimator_min]) +
       format('estimator_curve="%g" ', [cp1.estimator_curve]) +
-      format('temporal_samples="%d" ', [cp1.jitters]) +
+      format('temporal_samples="%d" ', [cp1.jitters]);
-      format('gamma_threshold="%g" ', [cp1.gamma_treshold]);
 
     FileList.Add('<flame name="' + CleanXMLName(cp1.name) + '" ' + parameters + '>');
    { Write transform parameters }
@@ -1427,7 +1431,7 @@ begin
     FileList := TStringList.Create;
     try
       FileList.LoadFromFile(filename);
-      if pos(title, FileList.Text) <> 0 then Result := true;
+      if pos('<flame name="' + title + '"', FileList.Text) <> 0 then Result := true;
     finally
       FileList.Free;
     end
@@ -1482,10 +1486,10 @@ begin
       try
         FileList.LoadFromFile(bakname);
 
-        if Pos(title, FileList.Text) <> 0 then
+        if Pos('<flame name="' + title + '"', FileList.Text) <> 0 then
         begin
           i := 0;
-          while Pos('name="' + title + '"', Trim(FileList[i])) = 0 do
+          while Pos('<flame name="' + title + '"', Trim(FileList[i])) = 0 do
             inc(i);
 
           p := 0;
@@ -1526,6 +1530,9 @@ begin
         FileList.SaveToFile(filename);
 
       finally
+        if FileExists(bakname) and not FileExists(filename) then
+          RenameFile(bakname, filename);
+
         FileList.Free;
       end;
     end
@@ -2571,6 +2578,7 @@ begin
   maincp.sample_density := defSampleDensity;
   maincp.spatial_oversample := defOversample;
   maincp.spatial_filter_radius := defFilterRadius;
+  maincp.gamma_threshold := defGammaThreshold;
   inc(MainSeed);
   RandSeed := MainSeed;
 
@@ -3960,7 +3968,7 @@ begin
       cp1.estimator_min := ExportEstimatorMin;
       cp1.estimator_curve := ExportEstimatorCurve;
       cp1.jitters := ExportJitters;
-      cp1.gamma_treshold := ExportGammaTreshold;
+      cp1.gamma_threshold := ExportGammaTreshold;
       FileList.Text := FlameToXML(cp1, true);
       FileList.SaveToFile(ChangeFileExt(ExportDialog.Filename, '.flame'));
       FileList.Clear;
@@ -4105,6 +4113,7 @@ begin
     else
       Parsecp.cmapindex := -1;
     ParseCP.hue_rotation := 1;
+
     v := Attributes.value('hue');
     if v <> '' then Parsecp.hue_rotation := StrToFloat(v);
     v := Attributes.Value('brightness');
@@ -4112,9 +4121,11 @@ begin
     v := Attributes.Value('gamma');
     if v <> '' then Parsecp.gamma := StrToFloat(v);
     v := Attributes.Value('vibrancy');
-
     if v <> '' then Parsecp.vibrancy := StrToFloat(v);
     if (LimitVibrancy) and (Parsecp.vibrancy > 1) then Parsecp.vibrancy := 1;
+    v := Attributes.Value('gamma_threshold');
+    if v <> '' then Parsecp.gamma_threshold := StrToFloat(v)
+    else Parsecp.gamma_threshold := 0;
 
     v := Attributes.Value('zoom');
     if v <> '' then Parsecp.zoom := StrToFloat(v);
@@ -4841,7 +4852,10 @@ begin
     NewMenuItem.GroupIndex := 2;
     NewMenuItem.RadioItem  := True;
     VarMenus[i] := NewMenuItem;
-    mnuvar.Add(NewMenuItem);
+    if i < NumBuiltinVars then
+      mnuBuiltinVars.Add(NewMenuItem)
+    else
+      mnuPluginVars.Add(NewMenuItem);
   end;
 end;
 

2.10/Source/Options.dfm

@@ -51,8 +51,8 @@ object OptionsForm: TOptionsForm
       HelpContext = 1
       Caption = 'General'
       object chkConfirmDel: TCheckBox
-        Left = 8
+        Left = 144
-        Top = 183
+        Top = 127
         Width = 97
         Height = 17
         HelpContext = 1005
@@ -61,7 +61,7 @@ object OptionsForm: TOptionsForm
       end
       object JPEG: TGroupBox
         Left = 8
-        Top = 124
+        Top = 118
         Width = 121
         Height = 55
         Caption = 'JPEG Quality'
@@ -219,13 +219,51 @@ object OptionsForm: TOptionsForm
           TabOrder = 2
         end
       end
-      object GroupBox18: TGroupBox
+      object chkOldPaletteFormat: TCheckBox
+        Left = 144
+        Top = 148
+        Width = 121
+        Height = 29
+        Caption = 'Save gradient in old file format'
+        TabOrder = 4
+        WordWrap = True
+      end
+      object chkConfirmExit: TCheckBox
+        Left = 144
+        Top = 183
+        Width = 81
+        Height = 17
+        HelpContext = 1005
+        Caption = 'Confirm exit'
+        TabOrder = 5
+      end
+      object chkConfirmStopRender: TCheckBox
+        Left = 144
+        Top = 210
+        Width = 121
+        Height = 17
+        Caption = 'Confirm stop render'
+        TabOrder = 6
+      end
+      object rgTransparency: TRadioGroup
         Left = 8
-        Top = 64
+        Top = 176
         Width = 121
         Height = 57
+        Caption = 'PNG Transparency'
+        ItemIndex = 0
+        Items.Strings = (
+          'Disabled'
+          'Enabled')
+        TabOrder = 7
+      end
+      object GroupBox18: TGroupBox
+        Left = 8
+        Top = 61
+        Width = 121
+        Height = 55
         Caption = 'Internal buffer depth'
-        TabOrder = 4
+        TabOrder = 8
         object cbInternalBitsPerSample: TComboBox
           Left = 16
           Top = 20
@@ -241,32 +279,6 @@ object OptionsForm: TOptionsForm
             '64-bit integer')
         end
       end
-      object chkOldPaletteFormat: TCheckBox
-        Left = 8
-        Top = 204
-        Width = 121
-        Height = 29
-        Caption = 'Save gradient in old file format'
-        TabOrder = 5
-        WordWrap = True
-      end
-      object chkConfirmExit: TCheckBox
-        Left = 136
-        Top = 183
-        Width = 81
-        Height = 17
-        HelpContext = 1005
-        Caption = 'Confirm exit'
-        TabOrder = 6
-      end
-      object chkConfirmStopRender: TCheckBox
-        Left = 136
-        Top = 210
-        Width = 121
-        Height = 17
-        Caption = 'Confirm stop render'
-        TabOrder = 7
-      end
     end
     object EditorPage: TTabSheet
       Caption = 'Editor'
@@ -432,17 +444,6 @@ object OptionsForm: TOptionsForm
           TabOrder = 1
         end
       end
-      object rgDoubleClickVars: TRadioGroup
-        Left = 160
-        Top = 144
-        Width = 273
-        Height = 57
-        Caption = 'Double-click on variation'
-        Items.Strings = (
-          'Reset value to zero'
-          'Reset value to zero, if zero set to "1"')
-        TabOrder = 3
-      end
     end
     object DisplayPage: TTabSheet
       Caption = 'Display'
@@ -507,105 +508,116 @@ object OptionsForm: TOptionsForm
         Caption = 'Rendering'
         TabOrder = 0
         object lblSampleDensity: TLabel
-          Left = 40
+          Left = 56
           Top = 19
-          Width = 38
+          Width = 41
           Height = 13
+          Alignment = taRightJustify
           Caption = 'Quality:'
         end
         object lblGamma: TLabel
-          Left = 40
+          Left = 56
           Top = 43
-          Width = 39
+          Width = 41
           Height = 13
+          Alignment = taRightJustify
           Caption = 'Gamma:'
         end
         object lblBrightness: TLabel
-          Left = 24
+          Left = 40
           Top = 67
-          Width = 54
+          Width = 57
           Height = 13
+          Alignment = taRightJustify
           Caption = 'Brightness:'
         end
         object lblVibrancy: TLabel
-          Left = 32
+          Left = 48
           Top = 91
-          Width = 45
+          Width = 49
           Height = 13
+          Alignment = taRightJustify
           Caption = 'Vibrancy:'
         end
         object lblOversample: TLabel
-          Left = 16
+          Left = 32
-          Top = 115
+          Top = 139
-          Width = 61
+          Width = 65
           Height = 13
+          Alignment = taRightJustify
           Caption = 'Oversample:'
         end
         object lblFilterRadius: TLabel
-          Left = 16
+          Left = 32
-          Top = 139
+          Top = 163
-          Width = 63
+          Width = 65
           Height = 13
+          Alignment = taRightJustify
           Caption = 'Filter Radius:'
         end
+        object lblGammaThreshold: TLabel
+          Left = 8
+          Top = 115
+          Width = 89
+          Height = 14
+          Alignment = taRightJustify
+          Caption = 'Gamma threshold:'
+          WordWrap = True
+        end
         object txtSampleDensity: TEdit
-          Left = 88
+          Left = 104
           Top = 16
-          Width = 65
+          Width = 49
           Height = 21
           HelpContext = 1006
           TabOrder = 0
         end
         object txtGamma: TEdit
-          Left = 88
+          Left = 104
           Top = 40
-          Width = 65
+          Width = 49
           Height = 21
           HelpContext = 1007
           TabOrder = 1
         end
         object txtBrightness: TEdit
-          Left = 88
+          Left = 104
           Top = 64
-          Width = 65
+          Width = 49
           Height = 21
           HelpContext = 1008
           TabOrder = 2
         end
         object txtVibrancy: TEdit
-          Left = 88
+          Left = 104
           Top = 88
-          Width = 65
+          Width = 49
           Height = 21
           HelpContext = 1009
           TabOrder = 3
         end
         object txtOversample: TEdit
-          Left = 88
+          Left = 104
-          Top = 112
+          Top = 136
-          Width = 65
+          Width = 49
           Height = 21
           HelpContext = 1010
           TabOrder = 4
         end
         object txtFilterRadius: TEdit
-          Left = 88
+          Left = 104
-          Top = 136
+          Top = 160
-          Width = 65
+          Width = 49
           Height = 21
           HelpContext = 1011
           TabOrder = 5
         end
-        object rgTransparency: TRadioGroup
+        object txtGammaThreshold: TEdit
-          Left = 8
+          Left = 104
-          Top = 160
+          Top = 112
-          Width = 153
+          Width = 49
-          Height = 61
+          Height = 21
-          Caption = 'PNG Transparency'
+          HelpContext = 1011
-          ItemIndex = 0
-          Items.Strings = (
-            'Disabled'
-            'Enabled')
           TabOrder = 6
         end
       end

2.10/Source/Options.pas

@@ -200,20 +200,16 @@ type
     chkPlaysound: TCheckBox;
     btnPlay: TSpeedButton;
     Label44: TLabel;
-    GroupBox18: TGroupBox;
-    cbInternalBitsPerSample: TComboBox;
     GroupBox20: TGroupBox;
     chkShowTransparency: TCheckBox;
     chkExtendMainPreview: TCheckBox;
     Label48: TLabel;
-    rgTransparency: TRadioGroup;
     cbExtendPercent: TComboBox;
     chkShowRenderStats: TCheckBox;
     rgRotationMode: TRadioGroup;
     GroupBox21: TGroupBox;
     chkAxisLock: TCheckBox;
     chkExtendedEdit: TCheckBox;
-    rgDoubleClickVars: TRadioGroup;
     chkOldPaletteFormat: TCheckBox;
     rgZoomingMode: TRadioGroup;
     chkShowAllXforms: TCheckBox;
@@ -221,6 +217,11 @@ type
     btnGradientsFile: TSpeedButton;
     chkConfirmExit: TCheckBox;
     chkConfirmStopRender: TCheckBox;
+    rgTransparency: TRadioGroup;
+    GroupBox18: TGroupBox;
+    cbInternalBitsPerSample: TComboBox;
+    txtGammaThreshold: TEdit;
+    lblGammaThreshold: TLabel;
     procedure btnCancelClick(Sender: TObject);
     procedure FormShow(Sender: TObject);
     procedure btnOKClick(Sender: TObject);
@@ -332,8 +333,6 @@ begin
   chkHelpers.Checked := HelpersEnabled;
   chkExtendedEdit.Checked := ExtEditEnabled;
   chkAxisLock.Checked := TransformAxisLock;
-  if DoubleClickSetVars then rgDoubleClickVars.ItemIndex := 1
-  else rgDoubleClickVars.ItemIndex := 0;
   chkShowAllXforms.Checked := ShowAllXforms;
 
   { Display tab }
@@ -343,6 +342,8 @@ begin
   txtVibrancy.Text := FloatToStr(defVibrancy);
   txtOversample.Text := IntToStr(defOversample);
   txtFilterRadius.Text := FloatToStr(defFilterRadius);
+  txtGammaThreshold.Text := FloatToStr(defGammaThreshold);
+
   txtLowQuality.Text := FloatToStr(prevLowQuality);
   txtMediumQuality.Text := FloatToStr(prevMediumQuality);
   txtHighQuality.Text := FloatToStr(prevHighQuality);
@@ -471,7 +472,6 @@ begin
 
   ExtEditEnabled := chkExtendedEdit.Checked;
   TransformAxisLock := chkAxisLock.Checked;
-  DoubleClickSetVars := rgDoubleClickVars.ItemIndex <> 0;
 
   { Display tab }
   defSampleDensity := StrToFloat(txtSampleDensity.Text);
@@ -485,6 +485,8 @@ begin
   if defVibrancy < 0 then defVibrancy := 0.1;
   defFilterRadius := StrToFloat(txtFilterRadius.Text);
   if defFilterRadius <= 0 then defFilterRadius := 0.1;
+  defGammaThreshold := StrToFloat(txtGammaThreshold.Text);
+  if defGammaThreshold < 0 then defGammaThreshold := 0;
   defOversample := StrToInt(txtOversample.Text);
   if defOversample > 4 then defOversample := 4;
   if defOversample < 1 then defOversample := 1;
@@ -492,10 +494,10 @@ begin
   if prevLowQuality > 100 then prevLowQuality := 100;
   if prevLowQuality < 0.01 then prevLowQuality := 0.01;
   prevMediumQuality := StrToFloat(txtMediumQuality.Text);
-  if prevMediumQuality > 100 then prevMediumQuality := 100;
+  if prevMediumQuality > 1000 then prevMediumQuality := 1000;
   if prevMediumQuality < 0.01 then prevMediumQuality := 0.01;
   prevHighQuality := StrToFloat(txtHighQuality.Text);
-  if prevHighQuality > 100 then prevHighQuality := 100;
+  if prevHighQuality > 10000 then prevHighQuality := 10000;
   if prevHighQuality < 0.01 then prevHighQuality := 0.01;
 
   MainPreviewScale := 1 + 0.02 * StrToFloatDef(cbExtendPercent.Text, 0);

2.10/Source/Regstry.pas

@@ -79,6 +79,7 @@ begin
       begin
         SavePath := DefaultPath + 'Parameters\My Flames.flame';
       end;
+
       if Registry.ValueExists('SmoothPaletteFile') then
       begin
         defSmoothPaletteFile := Registry.ReadString('SmoothPaletteFIle');
@@ -143,9 +144,11 @@ begin
       begin
         TryLength := 100000;
       end;
+
       if Registry.ValueExists('MinTransforms') then
       begin
         randMinTransforms := Registry.ReadInteger('MinTransforms');
+        if randMinTransforms <= 0 then randMinTransforms := 2;
       end
       else
       begin
@@ -154,14 +157,17 @@ begin
       if Registry.ValueExists('MaxTransforms') then
       begin
         randMaxTransforms := Registry.ReadInteger('MaxTransforms');
+        if randMaxTransforms < randMinTransforms then randMaxTransforms := randMinTransforms;
       end
       else
       begin
-        randMaxTransforms := 3;
+        randMaxTransforms := randMinTransforms + 1;
       end;
+
       if Registry.ValueExists('MutationMinTransforms') then
       begin
         mutantMinTransforms := Registry.ReadInteger('MutationMinTransforms');
+        if mutantMinTransforms <= 0 then mutantMinTransforms := 2;
       end
       else
       begin
@@ -170,11 +176,13 @@ begin
       if Registry.ValueExists('MutationMaxTransforms') then
       begin
         mutantMaxTransforms := Registry.ReadInteger('MutationMaxTransforms');
+        if mutantMaxTransforms < mutantMinTransforms then mutantMinTransforms := mutantMinTransforms;
       end
       else
       begin
-        mutantMaxTransforms := 6;
+        mutantMaxTransforms := mutantMinTransforms + 1;
       end;
+
       if Registry.ValueExists('RandomGradient') then
       begin
         randGradient := Registry.ReadInteger('RandomGradient');
@@ -242,6 +250,7 @@ begin
       if Registry.ValueExists('MutatePreviewQaulity') then
       begin
         MutatePrevQual := Registry.ReadInteger('MutatePreviewQaulity');
+        if MutatePrevQual <= 0 then MutatePrevQual := 1;
       end
       else
       begin
@@ -250,6 +259,7 @@ begin
       if Registry.ValueExists('AdjustPreviewQaulity') then
       begin
         AdjustPrevQual := Registry.ReadInteger('AdjustPreviewQaulity');
+        if AdjustPrevQual <= 0 then AdjustPrevQual := 1;
       end
       else
       begin
@@ -321,6 +331,7 @@ begin
       if Registry.ValueExists('MinNodes') then
       begin
         MinNodes := Registry.ReadInteger('MinNodes');
+        if MinNodes < 2 then MinNodes := 2;
       end
       else
       begin
@@ -353,6 +364,7 @@ begin
       if Registry.ValueExists('MaxNodes') then
       begin
         MaxNodes := Registry.ReadInteger('MaxNodes');
+        if MaxNodes < MinNodes then MaxNodes := MinNodes;
       end
       else
       begin
@@ -361,6 +373,7 @@ begin
       if Registry.ValueExists('MaxHue') then
       begin
         MaxHue := Registry.ReadInteger('MaxHue');
+        if MaxHue < 0 then MaxHue := 0;
       end
       else
       begin
@@ -369,6 +382,7 @@ begin
       if Registry.ValueExists('MaxSat') then
       begin
         MaxSat := Registry.ReadInteger('MaxSat');
+        if MaxSat < 0 then MaxSat := 0;
       end
       else
       begin
@@ -382,9 +396,11 @@ begin
       begin
         randGradientFile := ''
       end;
+
       if Registry.ValueExists('ReferenceMode') then
         ReferenceMode := Registry.ReadInteger('ReferenceMode')
       else ReferenceMode := 0;
+
       if Registry.ValueExists('RotationMode') then
         MainForm_RotationMode := Registry.ReadInteger('RotationMode')
       else MainForm_RotationMode := 0;
@@ -392,6 +408,7 @@ begin
       if Registry.ValueExists('MaxLum') then
       begin
         MaxLum := Registry.ReadInteger('MaxLum');
+        if MaxLum < 0 then MaxLum := 0;
       end
       else
       begin
@@ -400,6 +417,7 @@ begin
       if Registry.ValueExists('BatchSize') then
       begin
         BatchSize := Registry.ReadInteger('BatchSize');
+        if BatchSize <= 0 then BatchSize := 10;
       end
       else
       begin
@@ -432,6 +450,7 @@ begin
       if Registry.ValueExists('ExportWidth') then
       begin
         ExportWidth := Registry.ReadInteger('ExportWidth');
+        if ExportWidth <= 0 then ExportWidth := 640;
       end
       else
       begin
@@ -440,6 +459,7 @@ begin
       if Registry.ValueExists('ExportHeight') then
       begin
         ExportHeight := Registry.ReadInteger('ExportHeight');
+        if ExportHeight <= 0 then ExportHeight := 480;
       end
       else
       begin
@@ -448,6 +468,7 @@ begin
       if Registry.ValueExists('ExportDensity') then
       begin
         ExportDensity := Registry.ReadFloat('ExportDensity');
+        if ExportDensity <= 0 then ExportDensity := 100;
       end
       else
       begin
@@ -456,6 +477,7 @@ begin
       if Registry.ValueExists('ExportOversample') then
       begin
         ExportOversample := Registry.ReadInteger('ExportOversample');
+        if ExportOversample <= 0 then ExportOversample := 2;
       end
       else
       begin
@@ -464,6 +486,7 @@ begin
       if Registry.ValueExists('ExportFilter') then
       begin
         ExportFilter := Registry.ReadFloat('ExportFilter');
+        if ExportFilter <= 0 then ExportFilter := 0.6;
       end
       else
       begin
@@ -472,6 +495,7 @@ begin
       if Registry.ValueExists('ExportBatches') then
       begin
         ExportBatches := Registry.ReadInteger('ExportBatches');
+        if ExportBatches <= 0 then ExportBatches := 3;
       end
       else
       begin
@@ -571,11 +595,13 @@ begin
 
       if Registry.ValueExists('NrTreads') then begin
         NrTreads := Registry.ReadInteger('NrTreads');
+        if NrTreads <= 0 then NrTreads := 1;
       end else begin
         NrTreads := 1;
       end;
       if Registry.ValueExists('UseNrThreads') then begin
         UseNrThreads := Registry.ReadInteger('UseNrThreads');
+        if UseNrThreads <= 0 then UseNrThreads := 1;
       end else begin
         UseNrThreads := 1;
       end;
@@ -720,9 +746,6 @@ begin
       if Registry.ValueExists('LockTransformAxis') then
         TransformAxisLock := Registry.ReadBool('LockTransformAxis')
       else TransformAxisLock := true;
-      if Registry.ValueExists('DoubleClickSetVars') then
-        DoubleClickSetVars := Registry.ReadBool('DoubleClickSetVars')
-      else DoubleClickSetVars := true;
     end
     else begin
       UseTransformColors := false;
@@ -735,7 +758,6 @@ begin
       ReferenceTriangleColor := integer(clGray);
       ExtEditEnabled := true;
       TransformAxisLock := true;
-      DoubleClickSetVars := true;
     end;
     Registry.CloseKey;
 
@@ -952,6 +974,14 @@ begin
       begin
         defFilterRadius := 0.2;
       end;
+      if Registry.ValueExists('GammaThreshold') then
+      begin
+        defGammaThreshold := Registry.ReadFloat('GammaThreshold');
+      end
+      else
+      begin
+        defGammaThreshold := 0.01;
+      end;
       if Registry.ValueExists('Oversample') then
       begin
         defOversample := Registry.ReadInteger('Oversample');
@@ -1001,6 +1031,7 @@ begin
       defVibrancy := 1;
       defFilterRadius := 0.2;
       defOversample := 1;
+      defGammaThreshold := 0.01;
       defPreviewDensity := 0.5;
       prevLowQuality := 0.1;
       prevMediumQuality := 1;
@@ -1132,7 +1163,6 @@ begin
       Registry.WriteInteger('ReferenceTriangleColor', ReferenceTriangleColor);
       Registry.WriteBool('ExtendedEdit', ExtEditEnabled);
       Registry.WriteBool('LockTransformAxis', TransformAxisLock);
-      Registry.WriteBool('DoubleClickSetVars', DoubleClickSetVars);
     end;
     Registry.CloseKey;
 
@@ -1145,6 +1175,7 @@ begin
       Registry.WriteFloat('Vibrancy', defVibrancy);
       Registry.WriteFloat('FilterRadius', defFilterRadius);
       Registry.WriteInteger('Oversample', defOversample);
+      Registry.WriteFloat('GammaThreshold', defGammaThreshold);
       Registry.WriteFloat('PreviewDensity', defPreviewDensity);
       Registry.WriteFloat('PreviewLowQuality', prevLowQuality);
       Registry.WriteFloat('PreviewMediumQuality', prevMediumQuality);

2.10/Source/Tracer.pas

@@ -1,6 +1,7 @@
 {
      Apophysis Copyright (C) 2001-2004 Mark Townsend
      Apophysis Copyright (C) 2005-2006 Ronald Hordijk, Piotr Borys, Peter Sdobnov
+     Apophysis Copyright (C) 2007-2008 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
@@ -16,8 +17,11 @@
      along with this program; if not, write to the Free Software
      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 }
+
 unit Tracer;
 
+//{$define TRACEFORM_HIDDEN}
+
 interface
 
 uses
@@ -70,8 +74,6 @@ procedure TTraceForm.FormCreate(Sender: TObject);
 var
   Registry: TRegistry;
 begin
-  TraceLevel := 0; // Tracer disabled in release version
-
   { Read position from registry }
   Registry := TRegistry.Create;
   try
@@ -87,8 +89,21 @@ begin
       if Registry.ValueExists('Height') then
         self.Height := Registry.ReadInteger('Height');
 
-//      if Registry.ValueExists('TraceLevel') then
+{$ifndef TRACEFORM_HIDDEN}
-//        TraceLevel := Registry.ReadInteger('TraceLevel');
+
+      if Registry.ValueExists('TraceLevel') then
+        TraceLevel := Registry.ReadInteger('TraceLevel')
+      else
+        TraceLevel := 0;
+
+{$else} // Tracer disabled in release version
+
+      TraceLevel := 0;
+      MainForm.tbShowTrace.Visible := false;
+      MainForm.tbTraceSeparator.Visible := false;
+
+{$endif}
+
     end;
     Registry.CloseKey;
   finally

2.10/Source/XForm.pas

@@ -33,13 +33,11 @@ const
 type
   TCPpoint = record
     x, y, c: double;
-    //invisible: boolean;
   end;
   PCPpoint = ^TCPpoint;
 
   TXYpoint = record
     x, y: double;
-    //skip: boolean;
   end;
   PXYpoint = ^TXYpoint;
 
@@ -66,7 +64,6 @@ type
     postXswap: boolean;
 
     noPlot: boolean;
-    //RetraceXform: boolean;
 
 //    nx,ny,x,y: double;
 //    script: TatPascalScripter;
@@ -1909,9 +1906,6 @@ begin
 
   px := FPx;
   py := FPy;
-
-//  if PlotMode <> keepPlot then
-//    skip := (PlotMode = neverPlot);
 end;
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -2147,7 +2141,6 @@ begin
     modWeights[i] := xform.modWeights[i];
 
   noPlot := xform.noPlot;
-  //RetraceXform := xform.RetraceXform;
 end;
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -2192,10 +2185,7 @@ begin
     Result := Result + '" ';
   end;
 
-//  if RetraceXform then
+  if noPlot = true then
-//    Result := Result + 'plotmode="retrace" '
-//  else
-  if noPlot then
     Result := Result + 'plotmode="off" ';
 
   Result := Result + '/>';