怎么将RichViewEdit打印成一张张bmp图片(bmp长宽要自定义)
看了这个,但不知道在cb中要怎么用.谁能帮忙改一下,比如我要一页页打印成200*50这么大的bmp.

http://blog.csdn.net/qq752923276/article/details/7869711

1：var wmf: TMetafile;  
Canvas: TMetafileCanvas;  
Width, Height: Integer;  
begin  
RVReportHelper1.Init(Self.Canvas, 200 {width});  
while RVReportHelper1.FormatNextPage(VERYLARGEVALUE) do;  
  
wmf := TMetafile.Create;  
wmf.Width := 200;  
wmf.Height := RVReportHelper1.EndAt;  
  
Canvas := TMetafileCanvas.Create(wmf, 0);  
RVReportHelper1.DrawPage(1,Canvas,True,RVReportHelper1.EndAt);  
Canvas.Free;  
  
Image2.Picture.Graphic := wmf;  
wmf.Free;  
end;   
2：var wmf: TMetafile;  
Canvas: TMetafileCanvas;  
Width, Height: Integer;  
begin  
RichView1.HScrollPos := 0;  
RichView1.VScrollPos := 0;  
RichView1.Deselect;  
RichView1.Invalidate;  
Width := RichView1.RVData.DocumentWidth RichView1.LeftMargin RichView1.RightMargin;  
Height := RichView1.RVData.DocumentHeight;  
  
wmf := TMetafile.Create;  
wmf.Width := Width;  
wmf.Height := Height;  
  
Canvas := TMetafileCanvas.Create(wmf, 0);  
Canvas.Brush.Color := clWindow;  
Canvas.FillRect(Rect(0,0,Width,Height));  
RichView1.RVData.PaintTo(Canvas, Rect(0,0,VERYLARGEVALUE,VERYLARGEVALUE));  
Canvas.Free;  
  
Image1.Picture.Graphic := wmf;  
wmf.Free;  
end;  

[解决办法]
翻译后大概是这个样子：

RVReportHelper1->Init(Canvas, 200);  
while (RVReportHelper1->FormatNextPage(VERYLARGEVALUE));

TMetafile *wmf = new TMetafile();
wmf->Width = 200;  
wmf->Height = RVReportHelper1->EndAt;  
   
TMetafileCanvas *pCanvas = new TMetafileCanvas(wmf, 0);  
RVReportHelper1->DrawPage(1, pCanvas, true, RVReportHelper1->EndAt);  
delete pCanvas;  
   
Image2->Picture->Graphic = wmf;  
delete wmf;  

RichView1->HScrollPos = 0;  
RichView1->VScrollPos = 0;  
RichView1->Deselect();  
RichView1->Invalidate();  
int nWidth = RichView1->RVData->DocumentWidth - RichView1->LeftMargin - RichView1->RightMargin;  
int nHeight = RichView1->RVData->DocumentHeight;  
    
 
TMetafile *wmf = new TMetafile();  
wmf->Width = nWidth;  
wmf->Height = nHeight;  
   
TMetafileCanvas *pCanvas = new TMetafileCanvas(wmf, 0);  
pCanvas->Brush->Color = clWindow;  
pCanvas->FillRect(Rect(0, 0, nWidth, nHeight));  
RichView1->RVData->PaintTo(pCanvas, Rect(0, 0, VERYLARGEVALUE, VERYLARGEVALUE));  
delete pCanvas;
   
Image1->Picture->Graphic = wmf;  
delete wmf;

[解决办法]
Init函数中的Canvas参数,在Delphi代码中是Self.Canvas,相当于C++Builder中的this->Canvas，默认应该是窗体类的Canvas对象。

至于VERYLARGEVALUE，你需要在原来的Delphi代码中查找其真实的值，然后define或const定义一下就行了。
[解决办法]
http://download.csdn.net/detail/qq752923276/5322562
RichView文本内容转Bmp