本文整理汇总了C++中TDC::SetStretchBltMode方法的典型用法代码示例。如果您正苦于以下问题：C++ TDC::SetStretchBltMode方法的具体用法？C++ TDC::SetStretchBltMode怎么用？C++ TDC::SetStretchBltMode使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TDC的用法示例。
在下文中一共展示了TDC::SetStretchBltMode方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: mdc
////////////////////////////////////////////////////////////
// TBitmap256Control
// -----------------
// Display bitmap in DC
void TBitmap256Control::DisplayBitmap (TDC& dc, TRect &rect)
{
// Display a cross if no bitmap
if ( pDIBInfo == 0 )
{
dc.SelectObject(TPen(TColor::LtGray));
dc.MoveTo (0, 0);
dc.LineTo (MaxWidth, MaxHeight);
dc.MoveTo (0, MaxHeight);
dc.LineTo (MaxWidth, 0);
dc.SetTextAlign(TA_CENTER);
dc.SetTextColor(TColor::White);
dc.SetBkColor(TColor::Black);
char tmp[40];
if ( BitmapName[0] != '\0' && BitmapName[0] != '-' )
wsprintf (tmp, "No picture (%s)", BitmapName);
else
wsprintf (tmp, "No picture");
dc.TextOut (MaxWidth / 2, MaxHeight / 2 - 6, tmp);
return;
}
assert (pBitmapPalette != NULL);
// pBitmapPalette->UnrealizeObject();
dc.SelectObject (*pBitmapPalette);
dc.RealizePalette();
dc.SetStretchBltMode (COLORONCOLOR);
#if 1
TRect ZoomRect;
ZoomRect.left = rect.left;
ZoomRect.top = rect.top;
ZoomRect.right = rect.right;
ZoomRect.bottom = rect.bottom;
// Convert the rect. size to a rect in the sprite
rect.left /= ZoomFactor;
rect.top /= ZoomFactor;
rect.right /= ZoomFactor;
rect.bottom /= ZoomFactor;
TRect DIBRect;
DIBRect.left = rect.left;
DIBRect.top = BitmapYSize - rect.bottom; // DIBs are Y inversed
DIBRect.right = DIBRect.left + rect.Width();
DIBRect.bottom = DIBRect.top + rect.Height();
dc.StretchDIBits (ZoomRect,
DIBRect,
pDIBits, *pDIBInfo,
DIB_PAL_COLORS, SRCCOPY);
#else
// Create memory DC and display bitmap
TMemoryDC mdc (dc);
mdc.SelectObject (*pBitmapPalette);
mdc.SelectObject (*pBitmap);
dc.StretchBlt(0, 0, ZoomXSize, ZoomYSize,
mdc,
0, 0, BitmapXSize, BitmapYSize,
SRCCOPY);
// Restore GDI objects
mdc.RestoreBitmap();
mdc.RestorePalette();
#endif
dc.RestorePalette();
}