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Navigation: Code Documentation > RSVclCommon

RSVclGraphics Namespace

Provides helper functions and types for VCL graphics code. This unit contains Windows/Vcl specific graphics routines, which were formerly in RSGraphics.pas

	Name	Description
	COLOR16	Represents an alias of the Word type.
	PPaletteEntries	Represents a pointer type to TPaletteEntries.
	PRGB	Represents a pointer type to TRGB.
	PTriVertex	Represents a pointer type to TTriVertex.
	TPaletteEntries	Defines a table of palette entries
	TPixelFormats	Defines a set of TPixelFormat
	TRGBQuads	Represents an array of the TRGBQuad type.
	TRIVERTEX	Represents an alias of the _TRIVERTEX type.
	TTriVertex	Represents an alias of the _TRIVERTEX type.

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Name

Description

public method

ColorToRGB(TColor)

Converts VCL TColor to a TRGB

public method

DirectionGradient(TCanvas,TRect,TCanvasColor[],TGradientDirection,Integer)

Paints a rectangular portion of the canvas with a linear gradient specified by the colors array

Note
LineSize and Colors more than 2 are ignored for diagonal gradients

public method

DrawShape(TCanvas,TRect,TImageList,Integer,TRSShapeStyle,TRSShapeStyle,Boolean,TCanvasColor,TCanvasColor,Integer)

Overloaded. Draws the specified Shape to the canvas.

public method

DrawShape(TCanvas,TRect,TImageList,Integer,TRSShapeStyle,TRSShapeStyle,Boolean,TColor,TColor,Integer)

Represents method DrawShape(TCanvas,TRect,TImageList,Integer,TRSShapeStyle,TRSShapeStyle,Boolean,TColor,TColor,Integer).

public method

DrawTextLabel(TCanvas,string,Cardinal,TRect)

Draws the text label in the input rectangle.

public method

GradientFill(HDC,PTriVertex,ULONG,Pointer,ULONG,ULONG)

Fills the specified shape with a gradient

public method

InterpolateColor(TColor,TColor,single)

Returns a color that is an interpolation between the two input colors. The Frac parameters specifies the interpolation point (0 = Color1, 1 = Color2). Any value between 0 and 1 is a mixture of the two colors

public method

PaletteEntriesToRGBQuads(TPaletteEntries)

Convert a table of palette entries to TRGBQuads

public method

PaletteEntryToRGBQuad(TPaletteEntry)

Convert a palette entry to TRGBQuad

public method

RGBQuadsToPaletteEntries(TRGBQuads)

Convert a table of RGB quads to palette entries.

public method

RGBQuadToPaletteEntry(TRGBQuad)

Convert a RGB quad to a palette entry