Class TBGRACanvas
Unit
Declaration
type TBGRACanvas = class(TObject)
Description
Improved canvas with gamma correction and transparency
Hierarchy
- TObject
- TBGRACanvas
Overview
Fields
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AntialiasingMode: TAntialiasingMode; |
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DrawFontBackground: boolean; |
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FBitmap: TBGRACustomBitmap; |
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FBrush: TBGRABrush; |
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FClippingOn: Boolean; |
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FFont: TBGRAFont; |
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FillMode: TFillMode; |
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FInactiveClipRect: TRect; |
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FPen: TBGRAPen; |
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FPenPos: TPoint; |
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TextStyle: TTextStyle; |
Methods
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constructor Create(ABitmap: TBGRACustomBitmap); |
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destructor Destroy; override; |
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function GetPixelColor(X, Y: Integer): TColor; |
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function TextExtent(const Text: string): TSize; |
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function TextHeight(const Text: string): Integer; |
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function TextWidth(const Text: string): Integer; |
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function NoBrush: boolean; |
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function NoPen: boolean; |
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procedure Arc(x1,y1,x2,y2,StartDeg16,LengthDeg16: integer); |
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procedure Arc(x1,y1,x2,y2,sx,sy,ex,ey: integer); |
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procedure Arc65536(x1,y1,x2,y2: integer; start65536,end65536: word; Options: TArcOptions); |
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procedure Chord(x1,y1,x2,y2,sx,sy,ex,ey: integer); |
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procedure Chord(x1,y1,x2,y2,StartDeg16,LengthDeg16: integer); |
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procedure CopyRect(X,Y: Integer; SrcBitmap: TBGRACustomBitmap; SrcRect: TRect); |
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procedure CopyRect(Dest: TRect; SrcBmp: TBGRACustomBitmap; Source: TRect); virtual; |
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procedure Draw(X,Y: Integer; SrcBitmap: TBitmap); overload; |
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procedure Draw(X,Y: Integer; SrcBitmap: TBGRACustomBitmap); overload; |
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procedure DrawFocusRect(bounds: TRect); |
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procedure Ellipse(const bounds: TRect); |
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procedure Ellipse(x1,y1,x2,y2: integer); |
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procedure EllipseC(x,y,rx,ry: integer); |
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procedure FillRect(const bounds: TRect); |
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procedure FillRect(x1,y1,x2,y2: integer); |
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procedure FloodFill(X, Y: Integer); |
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procedure FloodFill(X, Y: Integer; FillColor: TBGRAPixel; FillStyle: TFillStyle); |
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procedure FloodFill(X, Y: Integer; FillColor: TColor; FillStyle: TFillStyle); |
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procedure Frame(const bounds: TRect); |
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procedure Frame(x1,y1,x2,y2: integer); |
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procedure Frame3D(var bounds: TRect; width: integer; Style: TGraphicsBevelCut); overload; |
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procedure Frame3D(var bounds: TRect; width: integer; Style: TGraphicsBevelCut; LightColor: TBGRAPixel; ShadowColor: TBGRAPixel); overload; |
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procedure FrameRect(x1,y1,x2,y2: integer; width: integer = 1); |
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procedure FrameRect(const bounds: TRect; width: integer = 1); |
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procedure GradientFill(ARect: TRect; AStart, AStop: TColor; ADirection: TGradientDirection; GammaCorrection: Boolean = false); |
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procedure Line(p1,p2: TPoint); overload; |
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procedure Line(x1,y1,x2,y2: integer); overload; |
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procedure LineTo(x,y: integer); overload; |
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procedure LineTo(p: TPoint); overload; |
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procedure MoveTo(p: TPoint); overload; |
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procedure MoveTo(x,y: integer); overload; |
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procedure Pie(x1,y1,x2,y2,StartDeg16,LengthDeg16: integer); |
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procedure Pie(x1,y1,x2,y2,sx,sy,ex,ey: integer); |
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procedure PolyBezier(const Points: array of TPoint; Filled: boolean = False; Continuous: boolean = False); |
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procedure PolyBezier(Points: PPoint; NumPts: Integer; Filled: boolean = False; Continuous: boolean = False); |
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procedure Polygon(Points: PPoint; NumPts: Integer; Winding: boolean = False); |
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procedure Polygon(const Points: array of TPoint; Winding: Boolean; StartIndex: Integer = 0; NumPts: Integer = -1); |
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procedure Polygon(const APoints: array of TPoint); |
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procedure PolygonF(const APoints: array of TPointF; Winding: Boolean; FillOnly: Boolean = False); |
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procedure PolygonF(const APoints: array of TPointF); |
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procedure Polyline(Points: PPoint; NumPts: Integer); |
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procedure Polyline(const Points: array of TPoint; StartIndex: Integer; NumPts: Integer = -1); |
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procedure Polyline(const APoints: array of TPoint); |
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procedure PolylineF(const APoints: array of TPointF); |
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procedure RadialPie(x1,y1,x2,y2,StartDeg16,LengthDeg16: integer); |
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procedure Rectangle(x1,y1,x2,y2: integer; Filled: Boolean = True); |
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procedure Rectangle(const bounds: TRect; Filled: Boolean = True); |
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procedure RoundRect(const bounds: TRect; dx,dy: integer); |
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procedure RoundRect(x1,y1,x2,y2: integer; dx,dy: integer); |
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procedure SetBrush(const AValue: TBGRABrush); |
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procedure SetPen(const AValue: TBGRAPen); |
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procedure SetPixelColor(X, Y: Integer; const AValue: TColor); |
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procedure StretchDraw(DestRect: TRect; SrcBitmap: TBGRACustomBitmap; HorizFlip: Boolean = false; VertFlip: Boolean = false); |
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procedure TextOut(X,Y: Integer; const Text: String); |
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procedure TextRect(const ARect: TRect; X, Y: integer; const Text: string); |
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procedure TextRect(ARect: TRect; X, Y: integer; const Text: string; const Style: TTextStyle); |
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procedure ApplyFont; |
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procedure ApplyPenStyle; |
Properties
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property Brush: TBGRABrush read FBrush write SetBrush; |
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property Clipping: Boolean read GetClipping write SetClipping; |
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property ClipRect: TRect read GetClipRect write SetClipRect; |
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property Colors[X,Y: Integer]: TFPColor read GetFPPixelColor write SetFPPixelColor; |
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property Font: TBGRAFont read FFont write SetFont; |
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property GammaExpandedPixels[X,Y: Integer]: TExpandedPixel read GetExpandedPixel write SetExpandedPixel; |
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property Height: integer read GetHeight; |
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property Pen: TBGRAPen read FPen write SetPen; |
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property PenPos : TPoint read FPenPos write FPenPos; |
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property Pixels[X,Y: Integer]: TColor read GetPixelColor write SetPixelColor; |
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property Width : integer read GetWidth; |
Description
Fields
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AntialiasingMode: TAntialiasingMode; |
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This item has no description. | |
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DrawFontBackground: boolean; |
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This item has no description. | |
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FBitmap: TBGRACustomBitmap; |
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This item has no description. | |
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FBrush: TBGRABrush; |
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This item has no description. | |
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FClippingOn: Boolean; |
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This item has no description. | |
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FFont: TBGRAFont; |
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This item has no description. | |
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FillMode: TFillMode; |
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This item has no description. | |
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FInactiveClipRect: TRect; |
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This item has no description. | |
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FPen: TBGRAPen; |
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This item has no description. | |
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FPenPos: TPoint; |
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This item has no description. | |
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TextStyle: TTextStyle; |
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This item has no description. | |
Methods
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constructor Create(ABitmap: TBGRACustomBitmap); |
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This item has no description. | |
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destructor Destroy; override; |
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This item has no description. | |
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function GetPixelColor(X, Y: Integer): TColor; |
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This item has no description. | |
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function TextExtent(const Text: string): TSize; |
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This item has no description. | |
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function TextHeight(const Text: string): Integer; |
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This item has no description. | |
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function TextWidth(const Text: string): Integer; |
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This item has no description. | |
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function NoBrush: boolean; |
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This item has no description. | |
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function NoPen: boolean; |
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This item has no description. | |
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procedure Arc(x1,y1,x2,y2,StartDeg16,LengthDeg16: integer); |
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This item has no description. | |
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procedure Arc(x1,y1,x2,y2,sx,sy,ex,ey: integer); |
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This item has no description. | |
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procedure Arc65536(x1,y1,x2,y2: integer; start65536,end65536: word; Options: TArcOptions); |
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This item has no description. | |
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procedure Chord(x1,y1,x2,y2,sx,sy,ex,ey: integer); |
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This item has no description. | |
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procedure Chord(x1,y1,x2,y2,StartDeg16,LengthDeg16: integer); |
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This item has no description. | |
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procedure CopyRect(X,Y: Integer; SrcBitmap: TBGRACustomBitmap; SrcRect: TRect); |
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This item has no description. | |
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procedure CopyRect(Dest: TRect; SrcBmp: TBGRACustomBitmap; Source: TRect); virtual; |
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This item has no description. | |
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procedure Draw(X,Y: Integer; SrcBitmap: TBitmap); overload; |
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This item has no description. | |
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procedure Draw(X,Y: Integer; SrcBitmap: TBGRACustomBitmap); overload; |
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This item has no description. | |
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procedure DrawFocusRect(bounds: TRect); |
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This item has no description. | |
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procedure Ellipse(const bounds: TRect); |
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This item has no description. | |
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procedure Ellipse(x1,y1,x2,y2: integer); |
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This item has no description. | |
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procedure EllipseC(x,y,rx,ry: integer); |
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This item has no description. | |
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procedure FillRect(const bounds: TRect); |
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This item has no description. | |
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procedure FillRect(x1,y1,x2,y2: integer); |
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This item has no description. | |
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procedure FloodFill(X, Y: Integer); |
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This item has no description. | |
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procedure FloodFill(X, Y: Integer; FillColor: TBGRAPixel; FillStyle: TFillStyle); |
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This item has no description. | |
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procedure FloodFill(X, Y: Integer; FillColor: TColor; FillStyle: TFillStyle); |
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This item has no description. | |
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procedure Frame(const bounds: TRect); |
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This item has no description. | |
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procedure Frame(x1,y1,x2,y2: integer); |
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This item has no description. | |
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procedure Frame3D(var bounds: TRect; width: integer; Style: TGraphicsBevelCut); overload; |
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This item has no description. | |
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procedure Frame3D(var bounds: TRect; width: integer; Style: TGraphicsBevelCut; LightColor: TBGRAPixel; ShadowColor: TBGRAPixel); overload; |
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This item has no description. | |
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procedure FrameRect(x1,y1,x2,y2: integer; width: integer = 1); |
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This item has no description. | |
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procedure FrameRect(const bounds: TRect; width: integer = 1); |
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This item has no description. | |
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procedure GradientFill(ARect: TRect; AStart, AStop: TColor; ADirection: TGradientDirection; GammaCorrection: Boolean = false); |
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This item has no description. | |
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procedure Line(p1,p2: TPoint); overload; |
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This item has no description. | |
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procedure Line(x1,y1,x2,y2: integer); overload; |
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This item has no description. | |
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procedure LineTo(x,y: integer); overload; |
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This item has no description. | |
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procedure LineTo(p: TPoint); overload; |
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This item has no description. | |
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procedure MoveTo(p: TPoint); overload; |
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This item has no description. | |
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procedure MoveTo(x,y: integer); overload; |
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This item has no description. | |
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procedure Pie(x1,y1,x2,y2,StartDeg16,LengthDeg16: integer); |
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This item has no description. | |
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procedure Pie(x1,y1,x2,y2,sx,sy,ex,ey: integer); |
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This item has no description. | |
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procedure PolyBezier(const Points: array of TPoint; Filled: boolean = False; Continuous: boolean = False); |
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This item has no description. | |
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procedure PolyBezier(Points: PPoint; NumPts: Integer; Filled: boolean = False; Continuous: boolean = False); |
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This item has no description. | |
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procedure Polygon(Points: PPoint; NumPts: Integer; Winding: boolean = False); |
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This item has no description. | |
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procedure Polygon(const Points: array of TPoint; Winding: Boolean; StartIndex: Integer = 0; NumPts: Integer = -1); |
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This item has no description. | |
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procedure Polygon(const APoints: array of TPoint); |
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This item has no description. | |
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procedure PolygonF(const APoints: array of TPointF; Winding: Boolean; FillOnly: Boolean = False); |
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This item has no description. | |
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procedure PolygonF(const APoints: array of TPointF); |
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This item has no description. | |
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procedure Polyline(Points: PPoint; NumPts: Integer); |
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This item has no description. | |
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procedure Polyline(const Points: array of TPoint; StartIndex: Integer; NumPts: Integer = -1); |
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This item has no description. | |
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procedure Polyline(const APoints: array of TPoint); |
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This item has no description. | |
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procedure PolylineF(const APoints: array of TPointF); |
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This item has no description. | |
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procedure RadialPie(x1,y1,x2,y2,StartDeg16,LengthDeg16: integer); |
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This item has no description. | |
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procedure Rectangle(x1,y1,x2,y2: integer; Filled: Boolean = True); |
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This item has no description. | |
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procedure Rectangle(const bounds: TRect; Filled: Boolean = True); |
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This item has no description. | |
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procedure RoundRect(const bounds: TRect; dx,dy: integer); |
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This item has no description. | |
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procedure RoundRect(x1,y1,x2,y2: integer; dx,dy: integer); |
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This item has no description. | |
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procedure SetBrush(const AValue: TBGRABrush); |
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This item has no description. | |
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procedure SetPen(const AValue: TBGRAPen); |
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This item has no description. | |
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procedure SetPixelColor(X, Y: Integer; const AValue: TColor); |
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This item has no description. | |
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procedure StretchDraw(DestRect: TRect; SrcBitmap: TBGRACustomBitmap; HorizFlip: Boolean = false; VertFlip: Boolean = false); |
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This item has no description. | |
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procedure TextOut(X,Y: Integer; const Text: String); |
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This item has no description. | |
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procedure TextRect(const ARect: TRect; X, Y: integer; const Text: string); |
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This item has no description. | |
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procedure TextRect(ARect: TRect; X, Y: integer; const Text: string; const Style: TTextStyle); |
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This item has no description. | |
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procedure ApplyFont; |
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This item has no description. | |
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procedure ApplyPenStyle; |
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This item has no description. | |
Properties
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property Brush: TBGRABrush read FBrush write SetBrush; |
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This item has no description. | |
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property Clipping: Boolean read GetClipping write SetClipping; |
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This item has no description. | |
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property ClipRect: TRect read GetClipRect write SetClipRect; |
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This item has no description. | |
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property Colors[X,Y: Integer]: TFPColor read GetFPPixelColor write SetFPPixelColor; |
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This item has no description. | |
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property Font: TBGRAFont read FFont write SetFont; |
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This item has no description. | |
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property GammaExpandedPixels[X,Y: Integer]: TExpandedPixel read GetExpandedPixel write SetExpandedPixel; |
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This item has no description. | |
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property Height: integer read GetHeight; |
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This item has no description. | |
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property Pen: TBGRAPen read FPen write SetPen; |
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This item has no description. | |
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property PenPos : TPoint read FPenPos write FPenPos; |
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This item has no description. | |
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property Pixels[X,Y: Integer]: TColor read GetPixelColor write SetPixelColor; |
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This item has no description. | |
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property Width : integer read GetWidth; |
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This item has no description. | |