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TAChart: Synchronize extents of standard and BGRA view

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git-svn-id: trunk@30200 -
This commit is contained in:
ask 2011-04-05 17:16:16 +00:00
parent eda3f30176
commit 178ea522e7
2 changed files with 10 additions and 0 deletions
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1
components/tachart/demo/bgra/Main.lfm
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@ -32,6 +32,7 @@ object Form1: TForm1
'Standard' 'Standard'
) )
Title.Visible = True Title.Visible = True
OnAfterPaint = Chart1AfterPaint
Align = alLeft Align = alLeft
Color = clGreen Color = clGreen
ParentColor = False ParentColor = False

9
components/tachart/demo/bgra/Main.pas
View File

@ -19,6 +19,7 @@ type
PaintBox1: TPaintBox; PaintBox1: TPaintBox;
RandomChartSource1: TRandomChartSource; RandomChartSource1: TRandomChartSource;
Splitter1: TSplitter; Splitter1: TSplitter;
procedure Chart1AfterPaint(ASender: TChart);
procedure PaintBox1Paint(Sender: TObject); procedure PaintBox1Paint(Sender: TObject);
end; end;
@ -34,10 +35,16 @@ uses
{ TForm1 } { TForm1 }
procedure TForm1.Chart1AfterPaint(ASender: TChart);
begin
PaintBox1.Invalidate;
end;
procedure TForm1.PaintBox1Paint(Sender: TObject); procedure TForm1.PaintBox1Paint(Sender: TObject);
var var
bmp: TBGRABitmap; bmp: TBGRABitmap;
id: IChartDrawer; id: IChartDrawer;
rp: TChartRenderingParams;
begin begin
bmp := TBGRABitmap.Create(PaintBox1.Width, PaintBox1.Height); bmp := TBGRABitmap.Create(PaintBox1.Width, PaintBox1.Height);
Chart1.DisableRedrawing; Chart1.DisableRedrawing;
@ -45,7 +52,9 @@ begin
Chart1.Title.Text.Text := 'BGRABitmap'; Chart1.Title.Text.Text := 'BGRABitmap';
id := TBGRABitmapDrawer.Create(bmp); id := TBGRABitmapDrawer.Create(bmp);
id.DoGetFontOrientation := @CanvasGetFontOrientationFunc; id.DoGetFontOrientation := @CanvasGetFontOrientationFunc;
rp := Chart1.RenderingParams;
Chart1.Draw(id, Rect(0, 0, PaintBox1.Width, PaintBox1.Height)); Chart1.Draw(id, Rect(0, 0, PaintBox1.Width, PaintBox1.Height));
Chart1.RenderingParams := rp;
bmp.Draw(PaintBox1.Canvas, 0, 0); bmp.Draw(PaintBox1.Canvas, 0, 0);
Chart1.Title.Text.Text := 'Standard'; Chart1.Title.Text.Text := 'Standard';
finally finally