I have an icon identified by an HICON
handle that I want to draw centered on a custom control.
How do I determine the size of the icon so that I can calcula
Here is a C++ version of code:
struct MYICON_INFO
{
int nWidth;
int nHeight;
int nBitsPerPixel;
};
MYICON_INFO MyGetIconInfo(HICON hIcon);
// =======================================
MYICON_INFO MyGetIconInfo(HICON hIcon)
{
MYICON_INFO myinfo;
ZeroMemory(&myinfo, sizeof(myinfo));
ICONINFO info;
ZeroMemory(&info, sizeof(info));
BOOL bRes = FALSE;
bRes = GetIconInfo(hIcon, &info);
if(!bRes)
return myinfo;
BITMAP bmp;
ZeroMemory(&bmp, sizeof(bmp));
if(info.hbmColor)
{
const int nWrittenBytes = GetObject(info.hbmColor, sizeof(bmp), &bmp);
if(nWrittenBytes > 0)
{
myinfo.nWidth = bmp.bmWidth;
myinfo.nHeight = bmp.bmHeight;
myinfo.nBitsPerPixel = bmp.bmBitsPixel;
}
}
else if(info.hbmMask)
{
// Icon has no color plane, image data stored in mask
const int nWrittenBytes = GetObject(info.hbmMask, sizeof(bmp), &bmp);
if(nWrittenBytes > 0)
{
myinfo.nWidth = bmp.bmWidth;
myinfo.nHeight = bmp.bmHeight / 2;
myinfo.nBitsPerPixel = 1;
}
}
if(info.hbmColor)
DeleteObject(info.hbmColor);
if(info.hbmMask)
DeleteObject(info.hbmMask);
return myinfo;
}