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Bug 2420

Summary:	SaveToBitmapFile saves always the same bitmap
Product:	VCL TeeChart	Reporter:	SVogler <sigmund.vogler>
Component:	Chart	Assignee:	Steema Issue Manager <issuemanager>
Status:	RESOLVED WORKSFORME
Severity:	minor	CC:	yeray
Priority:	Lowest
Version:	unspecified
Target Milestone:	---
Hardware:	PC
OS:	Windows
Chart Series:	---	Delphi / C++ Builder RAD IDE Version:	RAD 10.3 Rio
Attachments:	project from forums

Description SVogler 2021-05-05 08:09:27 EDT

also after the TChart has been changed!

Comment 1 SVogler 2021-05-07 03:04:04 EDT

Solved by using this:

https://www.steema.com/support/viewtopic.php?p=30317


Var
   BMP:    TBitmap;
begin
   BMP := TBitmap.Create;
    
   MyChart.Canvas.ReferenceCanvas.Lock;
   BMP.Assign(c_Profil.TeeCreateBitmap(clnone, c_Profil.canvas.bounds, pfDevice, 0));
   MyChart.Canvas.ReferenceCanvas.Unlock;
   BMP.SaveToFile(fnBMP);
end;

Comment 2 SVogler 2021-05-07 03:08:06 EDT

 Solved by using this:

https://www.steema.com/support/viewtopic.php?p=30317

Var
   BMP:    TBitmap;
begin
   BMP := TBitmap.Create;
   with MyChart Do begin    
      Canvas.ReferenceCanvas.Lock;
      BMP.Assign(TeeCreateBitmap(clnone, canvas.bounds, pfDevice, 0));
      Canvas.ReferenceCanvas.Unlock;
   end;
   BMP.SaveToFile(fnBMP);
   BMP.Free;
end;

Comment 3 yeray alonso 2021-05-07 03:11:20 EDT

Created attachment 961 [details]
project from forums

I'm attaching here the project from the forums in case the link dies.

Also, I'm closing this issue since the code suggested seems to solve the problem.