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spkToolbar: spkGraphTools: Patch by haword (issue #0024081) for alternative gradient painting. Avoid unnecessary calculations. Cosmetic changes. Google-translate the polish comments.
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@3663 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
@ -12,307 +12,360 @@ uses
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const
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NUM_ZERO = 0.00000001;
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(*******************************************************************************
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* *
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* Proste struktury *
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* Simple structure *
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* *
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*******************************************************************************)
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type
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// WskaŸnik do tablicy TRGBTriple
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// Pointer to an array of TRGBTriple
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PRGBTripleArray = ^TRGBTripleArray;
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// Tablica TRGBTriple (u¿ywana podczas operacji ze ScanLine)
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// Array of TRGBTriple records
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TRGBTripleArray = array[word] of TRGBTriple;
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THSLTriple = record
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H, S, L : extended;
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end;
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H, S, L: extended;
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end;
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// Rodzaj gradientu
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// Gradient types
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TGradientType = (gtVertical, gtHorizontal);
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// Rodzaj linii gradientowej (miejsce rozmycia)
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// Line gradient types
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TGradientLineShade = (lsShadeStart, lsShadeEnds, lsShadeCenter, lsShadeEnd);
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// Rodzaj linii gradientowej (wypuk³oœæ)
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// Line gradient types (3D)
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TGradient3dLine = (glRaised, glLowered);
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(*******************************************************************************
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* *
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* Klasy narzêdziowe *
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* Utility classes *
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* *
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*******************************************************************************)
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TColorTools = class
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public
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class function Darken(kolor : TColor; percentage : byte) : TColor;
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class function Brighten(kolor : TColor; percentage : byte) : TColor;
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class function Shade(kol1,kol2 : TColor; percentage : byte) : TColor; overload;
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class function Shade(kol1,kol2 : TColor; Step : extended) : TColor; overload;
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class function AddColors(c1, c2 : TColor) : TColor;
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class function MultiplyColors(c1, c2 : TColor) : TColor;
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class function MultiplyColor(color : TColor; scalar : integer) : TColor; overload;
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class function MultiplyColor(color : TColor; scalar : extended) : TColor; overload;
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class function percent(min, pos, max : integer) : byte;
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class function RGB2HSL(ARGB : TRGBTriple) : THSLTriple;
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class function HSL2RGB(AHSL : THSLTriple) : TRGBTriple;
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class function RgbTripleToColor(ARgbTriple : TRGBTriple) : TColor;
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class function ColorToRgbTriple(AColor : TColor) : TRGBTriple;
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class function ColorToGrayscale(AColor : TColor) : TColor;
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class function Darken(AColor: TColor; APercentage: byte): TColor;
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class function Brighten(AColor: TColor; APercentage: byte): TColor;
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class function Shade(AColor1, AColor2: TColor; APercentage: byte): TColor; overload;
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class function Shade(AColor1, AColor2: TColor; AStep: extended): TColor; overload;
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class function AddColors(AColor1, AColor2: TColor): TColor;
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class function MultiplyColors(AColor1, AColor2: TColor): TColor;
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class function MultiplyColor(AColor: TColor; AScalar: integer): TColor; overload;
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class function MultiplyColor(AColor: TColor; AScalar: extended): TColor; overload;
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class function percent(AMin, APos, AMax: integer): byte;
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class function RGB2HSL(ARGB: TRGBTriple): THSLTriple;
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class function HSL2RGB(AHSL: THSLTriple): TRGBTriple;
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class function RgbTripleToColor(ARgbTriple: TRGBTriple): TColor;
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class function ColorToRgbTriple(AColor: TColor): TRGBTriple;
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class function ColorToGrayscale(AColor: TColor): TColor;
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end;
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TGradientTools = class
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public
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class procedure HGradient(canvas : TCanvas; cStart,cEnd : TColor; rect : T2DIntRect); overload;
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class procedure HGradient(canvas : TCanvas; cStart,cEnd : TColor; p1, p2 : TPoint); overload;
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class procedure HGradient(canvas : TCanvas; cStart,cEnd : TColor; x1,y1,x2,y2 : integer); overload;
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class procedure HGradient(ACanvas: TCanvas; cStart,cEnd: TColor; ARect: T2DIntRect); overload;
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class procedure HGradient(ACanvas: TCanvas; cStart,cEnd: TColor; p1, p2: TPoint); overload;
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class procedure HGradient(ACanvas: TCanvas; cStart,cEnd: TColor; x1,y1,x2,y2: integer); overload;
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class procedure VGradient(canvas : TCanvas; cStart,cEnd : TColor; rect : T2DIntRect); overload;
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class procedure VGradient(canvas : TCanvas; cStart,cEnd : TColor; p1, p2 : TPoint); overload;
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class procedure VGradient(canvas : TCanvas; cStart,cEnd : TColor; x1,y1,x2,y2 : integer); overload;
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class procedure VGradient(ACanvas: TCanvas; cStart,cEnd: TColor; ARect: T2DIntRect); overload;
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class procedure VGradient(ACanvas: TCanvas; cStart,cEnd: TColor; p1, p2: TPoint); overload;
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class procedure VGradient(ACanvas: TCanvas; cStart,cEnd: TColor; x1,y1,x2,y2: integer); overload;
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class procedure Gradient(canvas : TCanvas; cStart,cEnd : TColor; rect : T2DIntRect; GradientType : TGradientType); overload;
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class procedure Gradient(canvas : TCanvas; cStart,cEnd : TColor; p1, p2 : TPoint; GradientType : TGradientType); overload;
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class procedure Gradient(canvas : TCanvas; cStart,cEnd : TColor; x1,y1,x2,y2 : integer; GradientType : TGradientType); overload;
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class procedure Gradient(ACanvas: TCanvas; cStart,cEnd: TColor; ARect: T2DIntRect; AGradientType : TGradientType); overload;
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class procedure Gradient(ACanvas: TCanvas; cStart,cEnd: TColor; p1, p2: TPoint; AGradientType : TGradientType); overload;
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class procedure Gradient(ACanvas: TCanvas; cStart,cEnd: TColor; x1,y1,x2,y2: integer; AGradientType : TGradientType); overload;
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class procedure HGradientLine(canvas : TCanvas; cBase, cShade : TColor; x1, x2 , y : integer; ShadeMode : TGradientLineShade);
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class procedure VGradientLine(canvas : TCanvas; cBase, cShade : TColor; x, y1 , y2 : integer; ShadeMode : TGradientLineShade);
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class procedure HGradientLine(ACanvas: TCanvas; cBase, cShade: TColor; x1, x2, y: integer; ShadeMode: TGradientLineShade);
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class procedure VGradientLine(ACanvas: TCanvas; cBase, cShade: TColor; x, y1, y2: integer; ShadeMode: TGradientLineShade);
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class procedure HGradient3dLine(canvas : TCanvas; x1,x2,y : integer; ShadeMode : TGradientLineShade; A3dKind : TGradient3dLine = glLowered);
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class procedure VGradient3dLine(canvas : TCanvas; x,y1,y2 : integer; ShadeMode : TGradientLineShade; A3dKind : TGradient3dLine = glLowered);
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class procedure HGradient3dLine(ACanvas: TCanvas; x1,x2,y: integer; ShadeMode: TGradientLineShade; A3dKind: TGradient3dLine = glLowered);
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class procedure VGradient3dLine(ACanvas: TCanvas; x,y1,y2: integer; ShadeMode: TGradientLineShade; A3dKind: TGradient3dLine = glLowered);
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end;
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TTextTools = class
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public
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class procedure OutlinedText(Canvas : TCanvas; x, y : integer; const text : string);
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class procedure OutlinedText(ACanvas: TCanvas; x, y: integer; const AText: string);
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end;
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implementation
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type
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TRgbColor = packed record
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R,G,B,A: Byte;
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end;
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{ TColorTools }
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class function TColorTools.Darken(kolor : TColor; percentage : byte) : TColor;
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var r,g,b : byte;
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class function TColorTools.Darken(AColor: TColor; APercentage: byte): TColor;
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var
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c: TRGBColor;
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f: extended;
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begin
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r:=round(GetRValue(ColorToRGB(kolor))*(100-percentage)/100);
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g:=round(GetGValue(ColorToRGB(kolor))*(100-percentage)/100);
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b:=round(GetBValue(ColorToRGB(kolor))*(100-percentage)/100);
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result:=rgb(r,g,b);
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c := TRGBColor(ColorToRGB(AColor));
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f := (100 - APercentage) / 100;
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result := rgb(
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round(c.R * f),
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round(c.G * f),
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round(c.B * f)
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);
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end;
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class function TColorTools.Brighten(kolor : TColor; percentage : byte) : TColor;
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var r,g,b : byte;
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class function TColorTools.Brighten(AColor: TColor; APercentage: byte): TColor;
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var
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c: TRgbColor;
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p: Extended;
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begin
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r:=round(GetRValue(ColorToRGB(kolor))+( (255-GetRValue(ColorToRGB(kolor)))*(percentage/100) ));
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g:=round(GetGValue(ColorToRGB(kolor))+( (255-GetGValue(ColorToRGB(kolor)))*(percentage/100) ));
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b:=round(GetBValue(ColorToRGB(kolor))+( (255-GetBValue(ColorToRGB(kolor)))*(percentage/100) ));
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result:=rgb(r,g,b);
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c := TRgbColor(ColorToRGB(AColor));
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p := APercentage/100;
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result := rgb(
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round(c.R + (255-c.R)*p),
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round(c.G + (255-c.G)*p),
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round(c.B + (255-c.B)*p)
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);
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end;
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class function TColorTools.Shade(kol1,kol2 : TColor; percentage : byte) : TColor;
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var r,g,b : byte;
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class function TColorTools.Shade(AColor1, AColor2: TColor;
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APercentage: byte): TColor;
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var
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c1, c2: TRgbColor;
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Step: Extended; // percentage as floating point number
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begin
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r:=round(GetRValue(ColorToRGB(kol1))+( (GetRValue(ColorToRGB(kol2))-GetRValue(ColorToRGB(kol1)))*(percentage/100) ));
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g:=round(GetGValue(ColorToRGB(kol1))+( (GetGValue(ColorToRGB(kol2))-GetGValue(ColorToRGB(kol1)))*(percentage/100) ));
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b:=round(GetBValue(ColorToRGB(kol1))+( (GetBValue(ColorToRGB(kol2))-GetBValue(ColorToRGB(kol1)))*(percentage/100) ));
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result:=rgb(r,g,b);
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c1 := TRGBColor(ColorToRGB(AColor1));
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c2 := TRGBColor(ColorToRGB(AColor2));
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Step := APercentage / 100;
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result := rgb(
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round(c1.R + (c2.R - c1.R) * Step),
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round(c1.G + (c2.G - c1.G) * Step),
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round(c1.B + (c2.B - c1.B) * Step)
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);
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end;
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class function TColorTools.Shade(kol1,kol2 : TColor; Step : extended) : TColor;
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var r,g,b : byte;
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class function TColorTools.Shade(AColor1, AColor2: TColor; AStep: extended): TColor;
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var
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c1, c2: TRgbColor;
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begin
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r:=round(GetRValue(ColorToRGB(kol1))+( (GetRValue(ColorToRGB(kol2))-GetRValue(ColorToRGB(kol1)))*(Step) ));
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g:=round(GetGValue(ColorToRGB(kol1))+( (GetGValue(ColorToRGB(kol2))-GetGValue(ColorToRGB(kol1)))*(Step) ));
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b:=round(GetBValue(ColorToRGB(kol1))+( (GetBValue(ColorToRGB(kol2))-GetBValue(ColorToRGB(kol1)))*(Step) ));
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result:=rgb(r,g,b);
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c1 := TRgbColor(ColorToRGB(AColor1));
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c2 := TRgbColor(ColorToRGB(AColor2));
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result := rgb(
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round(c1.R + (c2.R - c1.R) * AStep),
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round(c1.G + (c2.G - c1.G) * AStep),
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round(c1.B + (c2.B - c1.B) * AStep)
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);
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end;
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class function TColorTools.AddColors(c1, c2 : TColor) : TColor;
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class function TColorTools.AddColors(AColor1, AColor2: TColor): TColor;
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var
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c1, c2: TRgbColor;
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begin
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result:=rgb(max( 0,min( 255,GetRValue(c1)+GetRValue(c2) ) ),
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max( 0,min( 255,GetGValue(c1)+GetGValue(c2) ) ),
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max( 0,min( 255,GetBValue(c1)+GetBValue(c2) ) ));
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c1 := TRgbColor(ColorToRGB(AColor1));
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c2 := TRgbColor(ColorToRGB(AColor2));
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result := rgb(
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max(0, min(255, c1.R + c2.R)),
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max(0, min(255, c1.G + c2.G)),
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max(0, min(255, c1.B + c2.B))
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);
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end;
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class function TColorTools.MultiplyColors(c1, c2 : TColor) : TColor;
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class function TColorTools.MultiplyColors(AColor1, AColor2: TColor): TColor;
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var
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c1, c2: TRgbColor;
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begin
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result:=rgb(max( 0,min( 255,GetRValue(c1)*GetRValue(c2) ) ),
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max( 0,min( 255,GetGValue(c1)*GetGValue(c2) ) ),
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max( 0,min( 255,GetBValue(c1)*GetBValue(c2) ) ));
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c1 := TRgbColor(ColorToRGB(AColor1));
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c2 := TRgbColor(ColorToRGB(AColor2));
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result := rgb(
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max(0, min(255, c1.R * c2.R)),
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max(0, min(255, c1.G * c2.G)),
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max(0, min(255, c1.B * c2.B))
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);
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end;
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class function TColorTools.MultiplyColor(color : TColor; scalar : integer) : TColor;
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class function TColorTools.MultiplyColor(AColor: TColor; AScalar: integer): TColor;
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var
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c: TRgbColor;
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begin
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result:=rgb(max( 0,min( 255,GetRValue(color)*scalar ) ),
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max( 0,min( 255,GetGValue(color)*scalar ) ),
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max( 0,min( 255,GetBValue(color)*scalar ) ));
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c := TRgbColor(ColorToRGB(AColor));
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result := rgb(
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max(0, min(255, c.R * AScalar)),
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max(0, min(255, c.G * AScalar)),
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max(0, min(255, c.B * AScalar))
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);
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end;
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class function TColorTools.MultiplyColor(color : TColor; scalar : extended) : TColor;
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class function TColorTools.MultiplyColor(AColor: TColor; AScalar: extended): TColor;
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var
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c: TRgbColor;
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begin
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result:=rgb(max( 0,min( 255,round(GetRValue(color)*scalar) ) ),
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max( 0,min( 255,round(GetGValue(color)*scalar) ) ),
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max( 0,min( 255,round(GetBValue(color)*scalar) ) ));
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c := TRgbColor(ColorToRGB(AColor));
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result := rgb(
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max(0, min(255, round(c.R * AScalar))),
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max(0, min(255, round(c.G * AScalar))),
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max(0, min(255, round(c.B * AScalar)))
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);
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end;
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class function TColorTools.Percent(min, pos, max : integer) : byte;
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class function TColorTools.Percent(AMin, APos, AMax: integer): byte;
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begin
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if max=min then result:=max else
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result:=round((pos-min)*100/(max-min));
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if AMax = AMin then
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result := AMax // wp: is this correct? Shouldn't this be a value between a and 100?
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else
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result := round((APos - AMin) * 100 / (AMax - AMin));
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end;
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{.$MESSAGE WARN 'Porównywanie liczb rzeczywistych? Trzeba poprawiæ'}
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class function TColorTools.RGB2HSL(ARGB : TRGBTriple) : THSLTriple;
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var RGBmin, RGBmax : extended;
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R, G, B : extended;
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H, S, L : extended;
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{.$MESSAGE WARN 'Comparing real numbers? This has to be corrected.'}
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class function TColorTools.RGB2HSL(ARGB: TRGBTriple): THSLTriple;
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var
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RGBmin, RGBmax, RGBrange: extended;
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R, G, B: extended;
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H, S, L: extended;
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begin
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R:=ARGB.rgbtRed/255;
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G:=ARGB.rgbtGreen/255;
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B:=ARGB.rgbtBlue/255;
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R := ARGB.rgbtRed/255;
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G := ARGB.rgbtGreen/255;
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B := ARGB.rgbtBlue/255;
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RGBmin:=min(R,min(G,B));
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RGBmax:=max(R,min(G,B));
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RGBmin := min(R, min(G, B));
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RGBmax := max(R, min(G, B));
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RGBrange := RGBmax - RGBmin;
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H:=0;
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if RGBmax=RGBmin then
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begin
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||||
// H jest nieoznaczone, ale przyjmijmy zero dla sensownoœci obliczeñ
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H:=0;
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end else
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if (R=RGBmax) and (G>=B) then
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||||
begin
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||||
H:=(pi/3)*((G-B)/(RGBmax-RGBmin))+0;
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end else
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||||
if (R=RGBmax) and (G<B) then
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||||
begin
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H:=(pi/3)*((G-B)/(RGBmax-RGBmin))+(2*pi);
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||||
end else
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||||
if (G=RGBmax) then
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||||
begin
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||||
H:=(pi/3)*((B-R)/(RGBmax-RGBmin))+(2*pi/3);
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||||
end else
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||||
if (B=RGBmax) then
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begin
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||||
H:=(pi/3)*((R-G)/(RGBmax-RGBmin))+(4*pi/3);
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||||
end;
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H := 0;
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||||
if RGBmax = RGBmin then
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H := 0
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else
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||||
if (R = RGBmax) and (G >= B) then
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||||
H := pi/3 * (G-B) / RGBrange + 0
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||||
else
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||||
if (R = RGBmax) and (G < B) then
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||||
H := pi/3 * (G-B) / RGBrange + 2*pi
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||||
else
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||||
if (G = RGBmax) then
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||||
H := pi/3 * (B-R) / RGBrange + 2*pi/3
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||||
else
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||||
if (B = RGBmax) then
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||||
H := pi/3 * (R-G) / RGBrange + 4*pi/3;
|
||||
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||||
L:=(RGBmax+RGBmin)/2;
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||||
L := RGBrange / 2;
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||||
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||||
S:=0;
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||||
if (L<NUM_ZERO) or (rgbMin=rgbMax) then
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||||
begin
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||||
S:=0;
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||||
end else
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||||
if (L<=0.5) then
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||||
begin
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||||
S:=((RGBmax-RGBmin)/(2*L));
|
||||
end else
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||||
if (L>0.5) then
|
||||
begin
|
||||
S:=((RGBmax-RGBmin)/(2-2*L));
|
||||
end;
|
||||
S:=0;
|
||||
if (L < NUM_ZERO) or (rgbMin = rgbMax) then
|
||||
S := 0
|
||||
else
|
||||
if (L <= 0.5) then
|
||||
S := RGBrange / (2*L)
|
||||
else
|
||||
if (L > 0.5) then
|
||||
S := RGBrange / (2-2*L);
|
||||
|
||||
result.H:=H/(2*pi);
|
||||
result.S:=S;
|
||||
result.L:=L;
|
||||
result.H := H / (2*pi);
|
||||
result.S := S;
|
||||
result.L := L;
|
||||
end;
|
||||
|
||||
class function TColorTools.HSL2RGB(AHSL : THSLTriple) : TRGBTriple;
|
||||
|
||||
var R, G, B : extended;
|
||||
TR, TG, TB : extended;
|
||||
Q, P : extended;
|
||||
|
||||
function ProcessColor(Tc : extended) : extended;
|
||||
class function TColorTools.HSL2RGB(AHSL: THSLTriple): TRGBTriple;
|
||||
var
|
||||
R, G, B: extended;
|
||||
TR, TG, TB: extended;
|
||||
Q, P: extended;
|
||||
|
||||
function ProcessColor(c: extended): extended;
|
||||
begin
|
||||
if (Tc<(1/6)) then
|
||||
result:=P+((Q-P)*6.0*Tc) else
|
||||
if (Tc<(1/2)) then
|
||||
result:=Q else
|
||||
if (Tc<(2/3)) then
|
||||
result:=P+((Q-P)*((2/3)-Tc)*6.0) else
|
||||
result:=P;
|
||||
if (c < 1/6) then
|
||||
result := P + (Q - P) * 6.0 * c
|
||||
else
|
||||
if (c < 1/2) then
|
||||
result := Q
|
||||
else
|
||||
if (c < 2/3) then
|
||||
result := P + (Q - P) * (2/3 - c) * 6.0
|
||||
else
|
||||
result := P;
|
||||
end;
|
||||
|
||||
begin
|
||||
if AHSL.S<NUM_ZERO then
|
||||
begin
|
||||
R:=AHSL.L;
|
||||
G:=AHSL.L;
|
||||
B:=AHSL.L;
|
||||
end else
|
||||
begin
|
||||
if (AHSL.L<0.5) then
|
||||
Q:=AHSL.L*(AHSL.S+1.0) else
|
||||
Q:=AHSL.L+AHSL.S-(AHSL.L*AHSL.S);
|
||||
if AHSL.S < NUM_ZERO then
|
||||
begin
|
||||
R := AHSL.L;
|
||||
G := AHSL.L;
|
||||
B := AHSL.L;
|
||||
end else
|
||||
begin
|
||||
if (AHSL.L < 0.5) then
|
||||
Q := AHSL.L * (AHSL.S + 1.0)
|
||||
else
|
||||
Q := AHSL.L + AHSL.S - AHSL.L*AHSL.S;
|
||||
|
||||
P:=2.0*AHSL.L-Q;
|
||||
P := 2.0*AHSL.L - Q;
|
||||
|
||||
TR:=AHSL.H+(1/3);
|
||||
TG:=AHSL.H;
|
||||
TB:=AHSL.H-(1/3);
|
||||
TR := AHSL.H + 1/3;
|
||||
TG := AHSL.H;
|
||||
TB := AHSL.H - 1/3;
|
||||
|
||||
if (TR<0) then TR:=TR+1 else
|
||||
if (TR>1) then TR:=TR-1;
|
||||
if (TR < 0) then
|
||||
TR := TR + 1
|
||||
else
|
||||
if (TR > 1) then
|
||||
TR := TR - 1;
|
||||
|
||||
if (TG<0) then TG:=TG+1 else
|
||||
if (TG>1) then TG:=TG-1;
|
||||
if (TG < 0) then
|
||||
TG := TG + 1
|
||||
else
|
||||
if (TG > 1) then
|
||||
TG := TG - 1;
|
||||
|
||||
if (TB<0) then TB:=TB+1 else
|
||||
if (TB>1) then TB:=TB-1;
|
||||
if (TB < 0) then
|
||||
TB := TB + 1
|
||||
else
|
||||
if (TB > 1) then
|
||||
TB := TB - 1;
|
||||
|
||||
R:=ProcessColor(TR);
|
||||
G:=ProcessColor(TG);
|
||||
B:=ProcessColor(TB);
|
||||
end;
|
||||
R := ProcessColor(TR);
|
||||
G := ProcessColor(TG);
|
||||
B := ProcessColor(TB);
|
||||
end;
|
||||
|
||||
result.rgbtRed:=round(255*R);
|
||||
result.rgbtGreen:=round(255*G);
|
||||
result.rgbtBlue:=round(255*B);
|
||||
result.rgbtRed := round(255*R);
|
||||
result.rgbtGreen := round(255*G);
|
||||
result.rgbtBlue := round(255*B);
|
||||
end;
|
||||
|
||||
class function TColorTools.RgbTripleToColor(ARgbTriple : TRGBTriple) : TColor;
|
||||
|
||||
class function TColorTools.RgbTripleToColor(ARgbTriple: TRGBTriple) : TColor;
|
||||
begin
|
||||
result:=rgb(ARgbTriple.rgbtRed,ARgbTriple.rgbtGreen,ARgbTriple.rgbtBlue);
|
||||
result := rgb(
|
||||
ARgbTriple.rgbtRed,
|
||||
ARgbTriple.rgbtGreen,
|
||||
ARgbTriple.rgbtBlue
|
||||
);
|
||||
end;
|
||||
|
||||
class function TColorTools.ColorToGrayscale(AColor: TColor): TColor;
|
||||
|
||||
var avg : byte;
|
||||
|
||||
var
|
||||
c: TRgbColor;
|
||||
avg : byte;
|
||||
begin
|
||||
avg:=(GetRValue(Acolor) + GetGValue(AColor) + GetBValue(AColor)) div 3;
|
||||
result:=rgb(avg,avg,avg);
|
||||
c := TRgbColor(ColorToRGB(AColor));
|
||||
avg := (c.R + c.G + c.B) div 3;
|
||||
result := rgb(avg, avg, avg);
|
||||
end;
|
||||
|
||||
class function TColorTools.ColorToRgbTriple(AColor : TColor) : TRGBTriple;
|
||||
|
||||
class function TColorTools.ColorToRgbTriple(AColor: TColor): TRGBTriple;
|
||||
var
|
||||
c: TRgbColor;
|
||||
begin
|
||||
result.rgbtRed:=GetRValue(AColor);
|
||||
result.rgbtGreen:=GetGValue(AColor);
|
||||
result.rgbtBlue:=GetBValue(AColor);
|
||||
c := TRgbColor(ColorToRGB(AColor));
|
||||
result.rgbtRed := c.R;
|
||||
result.rgbtGreen := c.G;
|
||||
result.rgbtBlue := c.B;
|
||||
end;
|
||||
|
||||
|
||||
{ TGradientTools }
|
||||
|
||||
class procedure TGradientTools.HGradient(canvas : TCanvas; cStart,cEnd : TColor; rect : T2DIntRect);
|
||||
class procedure TGradientTools.HGradient(ACanvas: TCanvas; cStart, cEnd: TColor;
|
||||
ARect: T2DIntRect);
|
||||
begin
|
||||
ACanvas.GradientFill(ARect.ForWinAPI,cStart, cEnd, gdHorizontal);
|
||||
end;
|
||||
|
||||
{ -- old version ...
|
||||
var vert : array[0..1] of TRIVERTEX;
|
||||
gRect : GRADIENTRECT;
|
||||
Col1,Col2 : TColor;
|
||||
@ -343,20 +396,27 @@ with vert[1] do
|
||||
gRect.UpperLeft:=0;
|
||||
gRect.LowerRight:=1;
|
||||
GradientFill(canvas.Handle,@vert,2,@gRect,1,GRADIENT_FILL_RECT_H);
|
||||
end;
|
||||
|
||||
class procedure TGradientTools.HGradient(canvas : TCanvas; cStart,cEnd : TColor; p1, p2 : TPoint);
|
||||
end; }
|
||||
|
||||
class procedure TGradientTools.HGradient(ACanvas: TCanvas; cStart, cEnd: TColor;
|
||||
p1, p2: TPoint);
|
||||
begin
|
||||
HGradient(canvas,cstart,cend,rect(p1.x,p1.y,p2.x,p2.y));
|
||||
HGradient(ACanvas, cStart, cEnd, rect(p1.x,p1.y,p2.x,p2.y));
|
||||
end;
|
||||
|
||||
class procedure TGradientTools.HGradient(canvas : TCanvas; cStart,cEnd : TColor; x1,y1,x2,y2 : integer);
|
||||
|
||||
class procedure TGradientTools.HGradient(ACanvas: TCanvas; cStart, cEnd: TColor;
|
||||
x1,y1,x2,y2: integer);
|
||||
begin
|
||||
HGradient(canvas,cstart,cend,rect(x1,y1,x2,y2));
|
||||
HGradient(ACanvas, cStart, cEnd, rect(x1,y1,x2,y2));
|
||||
end;
|
||||
|
||||
class procedure TGradientTools.VGradient(ACanvas: TCanvas; cStart, cEnd: TColor;
|
||||
ARect: T2DIntRect);
|
||||
begin
|
||||
ACanvas.GradientFill(ARect.ForWinAPI, cStart, cEnd, gdVertical);
|
||||
end;
|
||||
|
||||
{ --- old version...
|
||||
class procedure TGradientTools.VGradient(canvas : TCanvas; cStart,cEnd : TColor; rect : T2DIntRect);
|
||||
|
||||
var vert : array[0..1] of TRIVERTEX;
|
||||
@ -389,148 +449,164 @@ with vert[1] do
|
||||
gRect.UpperLeft:=0;
|
||||
gRect.LowerRight:=1;
|
||||
GradientFill(canvas.Handle,@vert,2,@gRect,1,GRADIENT_FILL_RECT_V);
|
||||
end;
|
||||
|
||||
class procedure TGradientTools.VGradient(canvas : TCanvas; cStart,cEnd : TColor; p1, p2 : TPoint);
|
||||
end; }
|
||||
|
||||
class procedure TGradientTools.VGradient(ACanvas: TCanvas; cStart, cEnd: TColor;
|
||||
p1, p2: TPoint);
|
||||
begin
|
||||
VGradient(canvas,cstart,cend,rect(p1.x,p1.y,p2.x,p2.y));
|
||||
VGradient(ACanvas, cStart, cEnd, rect(p1.x,p1.y,p2.x,p2.y));
|
||||
end;
|
||||
|
||||
class procedure TGradientTools.VGradient(canvas : TCanvas; cStart,cEnd : TColor; x1,y1,x2,y2 : integer);
|
||||
|
||||
class procedure TGradientTools.VGradient(ACanvas: TCanvas; cStart, cEnd: TColor;
|
||||
x1,y1,x2,y2: integer);
|
||||
begin
|
||||
VGradient(canvas,cstart,cend,rect(x1,y1,x2,y2));
|
||||
VGradient(ACanvas, cStart, cEnd, rect(x1,y1,x2,y2));
|
||||
end;
|
||||
|
||||
class procedure TGradientTools.Gradient(canvas : TCanvas; cStart,cEnd : TColor; rect : T2DIntRect; GradientType : TGradientType);
|
||||
|
||||
class procedure TGradientTools.Gradient(ACanvas: TCanvas; cStart, cEnd: TColor;
|
||||
ARect: T2DIntRect; AGradientType: TGradientType);
|
||||
begin
|
||||
if GradientType=gtVertical then VGradient(canvas, cStart, cEnd, rect) else
|
||||
HGradient(canvas, cStart, cEnd, rect);
|
||||
if AGradientType = gtVertical then
|
||||
VGradient(ACanvas, cStart, cEnd, ARect)
|
||||
else
|
||||
HGradient(ACanvas, cStart, cEnd, ARect);
|
||||
end;
|
||||
|
||||
class procedure TGradientTools.Gradient(canvas : TCanvas; cStart,cEnd : TColor; p1, p2 : TPoint; GradientType : TGradientType);
|
||||
|
||||
class procedure TGradientTools.Gradient(ACanvas: TCanvas; cStart, cEnd: TColor;
|
||||
p1, p2: TPoint; AGradientType: TGradientType);
|
||||
begin
|
||||
if GradientType=gtVertical then VGradient(canvas, cStart, cEnd, p1, p2) else
|
||||
HGradient(canvas, cStart, cEnd, p1, p2);
|
||||
if AGradientType = gtVertical then
|
||||
VGradient(ACanvas, cStart, cEnd, p1, p2)
|
||||
else
|
||||
HGradient(ACanvas, cStart, cEnd, p1, p2);
|
||||
end;
|
||||
|
||||
class procedure TGradientTools.Gradient(canvas : TCanvas; cStart,cEnd : TColor; x1,y1,x2,y2 : integer; GradientType : TGradientType);
|
||||
|
||||
class procedure TGradientTools.Gradient(ACanvas: TCanvas; cStart, cEnd: TColor;
|
||||
x1,y1,x2,y2: integer; AGradientType: TGradientType);
|
||||
begin
|
||||
if GradientType=gtVertical then VGradient(canvas, cStart, cEnd, x1, y1, x2, y2) else
|
||||
HGradient(canvas, cStart, cEnd, x1, y1, x2, y2);
|
||||
if AGradientType = gtVertical then
|
||||
VGradient(ACanvas, cStart, cEnd, x1, y1, x2, y2)
|
||||
else
|
||||
HGradient(ACanvas, cStart, cEnd, x1, y1, x2, y2);
|
||||
end;
|
||||
|
||||
class procedure TGradientTools.HGradientLine(canvas : TCanvas; cBase, cShade : TColor; x1, x2 , y : integer; ShadeMode : TGradientLineShade);
|
||||
|
||||
var i : integer;
|
||||
|
||||
class procedure TGradientTools.HGradientLine(ACanvas: TCanvas;
|
||||
cBase, cShade: TColor; x1, x2, y: integer; ShadeMode: TGradientLineShade);
|
||||
var
|
||||
i: integer;
|
||||
begin
|
||||
if x1=x2 then exit;
|
||||
if x1>x2 then
|
||||
begin
|
||||
i:=x1;
|
||||
x1:=x2;
|
||||
x2:=i;
|
||||
end;
|
||||
case ShadeMode of
|
||||
lsShadeStart : HGradient(canvas,cShade,cBase,rect(x1,y,x2,y+1));
|
||||
lsShadeEnds : begin
|
||||
i:=(x1+x2) div 2;
|
||||
HGradient(canvas,cShade,cBase,rect(x1,y,i,y+1));
|
||||
HGradient(canvas,cBase,cShade,rect(i,y,x2,y+1));
|
||||
end;
|
||||
lsShadeCenter : begin
|
||||
i:=(x1+x2) div 2;
|
||||
HGradient(canvas,cBase,cShade,rect(x1,y,i,y+1));
|
||||
HGradient(canvas,cShade,cBase,rect(i,y,x2,y+1));
|
||||
end;
|
||||
lsShadeEnd : HGradient(canvas,cBase,cShade,rect(x1,y,x2,y+1));
|
||||
end;
|
||||
if x1 = x2 then
|
||||
exit;
|
||||
if x1 > x2 then
|
||||
begin
|
||||
i := x1;
|
||||
x1 := x2;
|
||||
x2 := i;
|
||||
end;
|
||||
case ShadeMode of
|
||||
lsShadeStart:
|
||||
HGradient(ACanvas, cShade, cBase, rect(x1,y,x2,y+1));
|
||||
lsShadeEnds:
|
||||
begin
|
||||
i := (x1 + x2) div 2;
|
||||
HGradient(ACanvas, cShade, cBase, rect(x1,y,i,y+1));
|
||||
HGradient(ACanvas, cBase, cShade, rect(i,y,x2,y+1));
|
||||
end;
|
||||
lsShadeCenter:
|
||||
begin
|
||||
i := (x1 + x2) div 2;
|
||||
HGradient(ACanvas, cBase, cShade, rect(x1,y,i,y+1));
|
||||
HGradient(ACanvas, cShade, cBase, rect(i,y,x2,y+1));
|
||||
end;
|
||||
lsShadeEnd:
|
||||
HGradient(ACanvas,cBase,cShade,rect(x1,y,x2,y+1));
|
||||
end;
|
||||
end;
|
||||
|
||||
class procedure TGradientTools.VGradientLine(canvas : TCanvas; cBase, cShade : TColor; x, y1 , y2 : integer; ShadeMode : TGradientLineShade);
|
||||
|
||||
var i : integer;
|
||||
|
||||
class procedure TGradientTools.VGradientLine(ACanvas: TCanvas;
|
||||
cBase, cShade: TColor; x, y1, y2: integer; ShadeMode: TGradientLineShade);
|
||||
var
|
||||
i : integer;
|
||||
begin
|
||||
if y1=y2 then exit;
|
||||
if y1>y2 then
|
||||
begin
|
||||
i:=y1;
|
||||
y1:=y2;
|
||||
y2:=i;
|
||||
end;
|
||||
case ShadeMode of
|
||||
lsShadeStart : VGradient(canvas,cShade,cBase,rect(x,y1,x+1,y2));
|
||||
lsShadeEnds : begin
|
||||
i:=(y1+y2) div 2;
|
||||
VGradient(canvas,cShade,cBase,rect(x,y1,x+1,i));
|
||||
VGradient(canvas,cBase,cShade,rect(x,i,x+1,y2));
|
||||
end;
|
||||
lsShadeCenter : begin
|
||||
i:=(y1+y2) div 2;
|
||||
VGradient(canvas,cBase,cShade,rect(x,y1,x+1,i));
|
||||
VGradient(canvas,cShade,cBase,rect(x,i,x+1,y2));
|
||||
end;
|
||||
lsShadeEnd : VGradient(canvas,cBase,cShade,rect(x,y1,x+1,y2));
|
||||
end;
|
||||
if y1 = y2 then
|
||||
exit;
|
||||
if y1 > y2 then
|
||||
begin
|
||||
i := y1;
|
||||
y1 := y2;
|
||||
y2 := i;
|
||||
end;
|
||||
case ShadeMode of
|
||||
lsShadeStart:
|
||||
VGradient(ACanvas, cShade, cBase, rect(x,y1,x+1,y2));
|
||||
lsShadeEnds:
|
||||
begin
|
||||
i := (y1 + y2) div 2;
|
||||
VGradient(ACanvas, cShade, cBase, rect(x,y1,x+1,i));
|
||||
VGradient(ACanvas, cBase, cShade, rect(x,i,x+1,y2));
|
||||
end;
|
||||
lsShadeCenter:
|
||||
begin
|
||||
i := (y1 + y2) div 2;
|
||||
VGradient(ACanvas, cBase, cShade, rect(x,y1,x+1,i));
|
||||
VGradient(ACanvas, cShade, cBase, rect(x,i,x+1,y2));
|
||||
end;
|
||||
lsShadeEnd:
|
||||
VGradient(ACanvas, cBase, cShade, rect(x,y1,x+1,y2));
|
||||
end;
|
||||
end;
|
||||
|
||||
class procedure TGradientTools.HGradient3dLine(canvas : TCanvas; x1,x2,y : integer; ShadeMode : TGradientLineShade; A3dKind : TGradient3dLine = glLowered);
|
||||
|
||||
class procedure TGradientTools.HGradient3dLine(ACanvas: TCanvas; x1,x2,y: integer;
|
||||
ShadeMode: TGradientLineShade; A3dKind: TGradient3dLine = glLowered);
|
||||
begin
|
||||
if A3dKind = glRaised then
|
||||
begin
|
||||
HGradientLine(canvas,clBtnHighlight,clBtnFace,x1,x2,y,ShadeMode);
|
||||
HGradientLine(canvas,clBtnShadow,clBtnFace,x1,x2,y+1,ShadeMode);
|
||||
end else
|
||||
begin
|
||||
HGradientLine(canvas,clBtnShadow,clBtnFace,x1,x2,y,ShadeMode);
|
||||
HGradientLine(canvas,clBtnHighlight,clBtnFace,x1,x2,y+1,ShadeMode);
|
||||
end;
|
||||
if A3dKind = glRaised then
|
||||
begin
|
||||
HGradientLine(ACanvas, clBtnHighlight, clBtnFace, x1,x2,y, ShadeMode);
|
||||
HGradientLine(ACanvas, clBtnShadow, clBtnFace, x1,x2,y+1, ShadeMode);
|
||||
end else
|
||||
begin
|
||||
HGradientLine(ACanvas, clBtnShadow, clBtnFace, x1,x2,y, ShadeMode);
|
||||
HGradientLine(ACanvas, clBtnHighlight, clBtnFace, x1,x2,y+1, ShadeMode);
|
||||
end;
|
||||
end;
|
||||
|
||||
class procedure TGradientTools.VGradient3dLine(canvas : TCanvas; x,y1,y2 : integer; ShadeMode : TGradientLineShade; A3dKind : TGradient3dLine = glLowered);
|
||||
|
||||
class procedure TGradientTools.VGradient3dLine(ACanvas: TCanvas; x,y1,y2: integer;
|
||||
ShadeMode: TGradientLineShade; A3dKind: TGradient3dLine = glLowered);
|
||||
begin
|
||||
if A3dKind = glLowered then
|
||||
begin
|
||||
VGradientLine(canvas,clBtnFace,clBtnHighlight,x,y1,y2,ShadeMode);
|
||||
VGradientLine(canvas,clBtnFace,clBtnShadow,x+1,y1,y2,ShadeMode);
|
||||
end else
|
||||
begin
|
||||
VGradientLine(canvas,clBtnFace,clBtnShadow,x,y1,y2,ShadeMode);
|
||||
VGradientLine(canvas,clBtnFace,clBtnHighlight,x+1,y1,y2,ShadeMode);
|
||||
end;
|
||||
if A3dKind = glLowered then
|
||||
begin
|
||||
VGradientLine(ACanvas, clBtnFace, clBtnHighlight, x,y1,y2, ShadeMode);
|
||||
VGradientLine(ACanvas, clBtnFace, clBtnShadow, x+1,y1,y2, ShadeMode);
|
||||
end else
|
||||
begin
|
||||
VGradientLine(ACanvas, clBtnFace, clBtnShadow, x,y1,y2, ShadeMode);
|
||||
VGradientLine(ACanvas, clBtnFace, clBtnHighlight, x+1,y1,y2, ShadeMode);
|
||||
end;
|
||||
end;
|
||||
|
||||
|
||||
{ TTextTools }
|
||||
|
||||
class procedure TTextTools.OutlinedText(Canvas : TCanvas; x, y : integer; const text : string);
|
||||
|
||||
var TmpColor : TColor;
|
||||
TmpBrushStyle : TBrushStyle;
|
||||
|
||||
class procedure TTextTools.OutlinedText(ACanvas: TCanvas; x, y: integer; const AText: string);
|
||||
var
|
||||
TmpColor: TColor;
|
||||
TmpBrushStyle: TBrushStyle;
|
||||
begin
|
||||
TmpColor:=Canvas.Font.color;
|
||||
TmpBrushStyle:=Canvas.Brush.style;
|
||||
TmpColor := ACanvas.Font.Color;
|
||||
TmpBrushStyle := ACanvas.Brush.Style;
|
||||
|
||||
Canvas.brush.style:=bsClear;
|
||||
ACanvas.Brush.Style := bsClear;
|
||||
|
||||
Canvas.font.color:=clBlack;
|
||||
Canvas.TextOut(x-1,y,text);
|
||||
Canvas.TextOut(x+1,y,text);
|
||||
Canvas.TextOut(x,y-1,text);
|
||||
Canvas.TextOut(x,y+1,text);
|
||||
ACanvas.Font.Color := clBlack;
|
||||
ACanvas.TextOut(x-1, y, AText);
|
||||
ACanvas.TextOut(x+1, y, AText);
|
||||
ACanvas.TextOut(x, y-1, AText);
|
||||
ACanvas.TextOut(x, y+1, AText);
|
||||
|
||||
Canvas.font.color:=TmpColor;
|
||||
Canvas.TextOut(x,y,text);
|
||||
ACanvas.Font.Color := TmpColor;
|
||||
ACanvas.TextOut(x, y, AText);
|
||||
|
||||
Canvas.Brush.Style:=TmpBrushStyle;
|
||||
ACanvas.Brush.Style := TmpBrushStyle;
|
||||
end;
|
||||
|
||||
end.
|
||||
|
||||
Reference in New Issue
Block a user