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unit gdkcairocanvas;
{$mode objfpc}{$H+}
interface
uses
gdk2, Gtk2Def, CairoGraphics, LCLType;
type
{ TGdkCairoCanvas }
TGdkCairoCanvas = class(TCairoControlCanvas)
protected
procedure SetHandle(NewHandle: HDC); override;
function CreateCairoHandle: HDC; override;
end;
implementation
uses
Classes;
{ TGdkCairoCanvas }
function TGdkCairoCanvas.CreateCairoHandle: HDC;
begin
Result := 0; //Fake handle, right Handle is setted in SetHandle func
end;
procedure TGdkCairoCanvas.SetHandle(NewHandle: HDC);
begin
if NewHandle <> 0 then begin
NewHandle := {%H-}HDC(gdk_cairo_create(TGtkDeviceContext(NewHandle).Drawable));
SetLazClipRect(Rect(Control.Left, Control.Top, Control.Left + Control.Width, Control.Top + Control.Height));
end;
inherited SetHandle(NewHandle);
end;
initialization
CairoGraphicControlCanvasClass := TGdkCairoCanvas;
end.
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