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TAChart: Implement AntialiasingMode in opengl drawing back-end

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git-svn-id: trunk@30413 -
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ask 2011-04-21 15:32:25 +00:00
parent 5ee5cbcdc7
commit f27bef2075
1 changed files with 15 additions and 0 deletions
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15
components/tachart/tadraweropengl.pas
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@ -64,6 +64,7 @@ type
AStartAngle16Deg, AAngleLength16Deg: Integer);
procedure Rectangle(const ARect: TRect);
procedure Rectangle(AX1, AY1, AX2, AY2: Integer);
procedure SetAntialiasingMode(AValue: TChartAntialiasingMode);
procedure SetBrushColor(AColor: TChartColor);
procedure SetBrushParams(AStyle: TFPBrushStyle; AColor: TChartColor);
procedure SetPenParams(AStyle: TFPPenStyle; AColor: TChartColor);
@ -238,6 +239,20 @@ begin
Rectangle(ARect.Left, ARect.Top, ARect.Right, ARect.Bottom);
end;
procedure TOpenGLDrawer.SetAntialiasingMode(AValue: TChartAntialiasingMode);
begin
case AValue of
amOn: begin
glEnable(GL_LINE_SMOOTH);
glEnable(GL_POLYGON_SMOOTH);
end;
amOff: begin
glDisable(GL_LINE_SMOOTH);
glDisable(GL_POLYGON_SMOOTH);
end;
end;
end;
procedure TOpenGLDrawer.SetBrush(ABrush: TFPCustomBrush);
begin
FBrushColor := ABrush.FPColor;