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Bug 2297

Summary: Transparency in the back wall makes the Tiled Backimage to overlap
Product: VCL TeeChart Reporter: yeray alonso <yeray>
Component: ChartAssignee: Steema Issue Manager <issuemanager>
Status: CONFIRMED ---    
Severity: enhancement    
Priority: ---    
Version: unspecified   
Target Milestone: ---   
Hardware: PC   
OS: Windows   
Chart Series: --- Delphi / C++ Builder RAD IDE Version:
Attachments: test project and screenshot

Description yeray alonso 2020-03-13 07:37:27 EDT 
Created attachment 932 [details]
test project and screenshot

Test with screenshot project attached.
This is the code to reproduce the problem:

uses TeePNG;

procedure TForm1.CBTRansparentClick(Sender: TObject);
begin
  if CBTRansparent.Checked then
     Chart1.BackWall.Transparency:=50
  else
     Chart1.BackWall.Transparency:=0;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  Chart1.View3D:=False;

  Chart1.BackImage.LoadFromFile('..\..\steema.png');

  Chart1.BackImageInside:=True;
  Chart1.BackImageMode:=pbmTile;
end;