bool Image::Draw(HDC hdc,int x,int y,int cx,int cy){
if(_image==0) return 0;
Gdiplus::Graphics gph(hdc);
if(cx==0) cx = ((_Image*)_image)->GetWidth();
if(cy==0) cy = ((_Image*)_image)->GetHeight();
Gdiplus::Point pt[3] = {Gdiplus::Point(x,y),Gdiplus::Point(x+cx,x),Gdiplus::Point(y,cy+y)};
return gph.DrawImage((_Image*)_image,pt,3)==0;
}
void ImageDelegate::Draw(HDC dc)
{
Graphics gph(dc) ;
gph.DrawImage(
&m_image,
Rect(m_bound.left, m_bound.top, m_bound.right - m_bound.left, m_bound.bottom - m_bound.top),
0, 0, m_image.GetWidth(), m_image.GetHeight(), UnitPixel, NULL
) ;
}
HBITMAP Image::GetBitmap(){
if(_image==0) return 0;
_Image* img = ((_Image*)_image);
int cx = img->GetWidth();
if(cx==0) return 0;
int cy = img->GetHeight();
if(cy==0) return 0;
DC dc;
dc.GetDC();
HBITMAP bmp = CreateBitmap(dc,cx,cy);
if(bmp==0){
PrintLastErrorD(L"Image::GetBitmap: %s");
return 0;
}
HDC hdc = ::CreateCompatibleDC(dc);
dc.ReleaseDC();
HGDIOBJ old = ::SelectObject(hdc,bmp);
Gdiplus::Graphics gph(hdc);
Gdiplus::Point pt[3] = {Gdiplus::Point(0,0),Gdiplus::Point(cx,0),Gdiplus::Point(0,cy)};
gph.DrawImage((_Image*)_image,pt,3);
bmp = (HBITMAP)::SelectObject(hdc,old);
::DeleteDC(hdc);
return bmp;
}
