请各位大侠帮忙:
我在view里画了一个图标,打印预览均正常,但打印就是不出图标来。
打印文字,矩形均正常,请各位大侠指点!高分
OnDraw()
{
pDC->TextOut(100,20,"Print Test");
pDC->DrawIcon(0,0,m_LabIcon);}
我在view里画了一个图标,打印预览均正常,但打印就是不出图标来。
打印文字,矩形均正常,请各位大侠指点!高分
OnDraw()
{
pDC->TextOut(100,20,"Print Test");
pDC->DrawIcon(0,0,m_LabIcon);}
//打印或者在屏幕上画图标
//pDC 打印机或者屏幕dc指针
iLogPixelX
iLogPixelY
屏幕DC的GetDeviceCaps(LOGPIXELSX)值,其中
iLogPixelX=DC.GetDeviceCaps(LOGPIXELSX);
iLogPixelY=DC.GetDeviceCaps(LOGPIXELSY);*/
void DrawICON(CDC* pDC,int iLogPixelX,int iLogPixelY)
{
// int iMapMode=pDC->GetMapMode();
// pDC->SetMapMode(MM_LOENGLISH);
CDC MemDC; // 内存设备环境指针,在视的整个存在过程都将存在
CBitmap Bitmap,*pOldBmp;
CRect Source, Dest; // 记录源位图尺寸和最终显示尺寸
BITMAP bm;
if(MemDC.GetSafeHdc() == NULL)
{
HICON hIcon1; // icon handle
hIcon1 = LoadIcon(NULL, IDI_QUESTION);
ICONINFO info;
GetIconInfo(hIcon1,&info);
MemDC.CreateCompatibleDC(pDC);
Bitmap.CreateCompatibleBitmap(&MemDC,info.xHotspot*2,info.yHotspot*2);
pOldBmp=MemDC.SelectObject(&Bitmap);
DrawIcon(MemDC.GetSafeHdc(),0,0,hIcon1);
Bitmap.GetObject(sizeof(bm),&bm);
Source.top=0;
Source.left=0;
Source.right= bm.bmWidth;
Source.bottom = bm.bmHeight;
Dest = Source;
}
pDC->DPtoLP(&Dest);
if(pDC->IsPrinting())
{
Dest.left=(int)(Dest.left*((double)pDC->GetDeviceCaps(LOGPIXELSX))/iLogPixelX);
Dest.right=(int)(Dest.right*((double)pDC->GetDeviceCaps(LOGPIXELSX))/iLogPixelX);
Dest.top=(int)(Dest.top*((double)pDC->GetDeviceCaps(LOGPIXELSY))/iLogPixelY);
Dest.bottom=(int)(Dest.bottom*((double)pDC->GetDeviceCaps(LOGPIXELSY))/iLogPixelY);
}
pDC->StretchBlt(Dest.left, Dest.top, Dest.right, Dest.bottom,
&MemDC, Source.left, Source.top, Source.right,Source.bottom, SRCCOPY);
MemDC.SelectObject(pOldBmp);
Bitmap.DeleteObject();
MemDC.DeleteDC();
// pDC->SetMapMode(iMapMode);
return;
}