TIECanvas.Create

Declaration

constructor Create(Canvas: TCanvas; AntiAlias: boolean = True; UseGDIPlus: boolean = True; Bitmap: TBitmap = nil);

Description

Create a TIECanvas object.
If AntiAlias is false:
◼ SmoothingMode is set to iesmBestPerformance
◼ TextRendering is set to ietrTextRenderingHintSystemDefault

GDI+ Method: GdipCreateFromHDC

Examples

// Draw an anti-aliased ellipse onto a TBitmap
iec := TIECanvas.Create( ABitmap.Canvas );
with iec do
begin
  Pen.Style := psSolid;
  Pen.Mode  := pmCopy;
  Pen.Color := clRed;
  Brush.Style := bsClear
  Ellipse( Rect( 100, 100, 200, 200 ));
end;
iec.Free;

// Highlight an area of a bitmap
iec := TIECanvas.Create( Bitmap.Canvas, false );
iec.Brush.Color := clRed;
iec.Brush.Style := bsSolid;
iec.Brush.Transparency := 125;
iec.FillRect( Rect( 100, 100, 300, 300 );
iec.Free;

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