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41 lines
746 B
ObjectPascal
41 lines
746 B
ObjectPascal
unit gdkcairocanvas;
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{$mode objfpc}{$H+}
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interface
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uses
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gdk2, Gtk2Def, CairoGraphics, LCLType;
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type
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{ TGdkCairoCanvas }
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TGdkCairoCanvas = class(TCairoControlCanvas)
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protected
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procedure SetHandle(NewHandle: HDC); override;
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function CreateCairoHandle: HDC; override;
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end;
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implementation
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{ TGdkCairoCanvas }
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function TGdkCairoCanvas.CreateCairoHandle: HDC;
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begin
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Result := 0; //Fake handle, right Handle is setted in SetHandle func
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end;
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procedure TGdkCairoCanvas.SetHandle(NewHandle: HDC);
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begin
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if NewHandle <> 0 then
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NewHandle := {%H-}HDC(gdk_cairo_create(TGtk2DeviceContext(NewHandle).Drawable));
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inherited SetHandle(NewHandle);
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end;
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initialization
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CairoGraphicControlCanvasClass := TGdkCairoCanvas;
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end.
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