private static extern bool GetIconInfo(IntPtr hIcon, out IconInfo piconinfo);
private IImage GetIconWindows(IntPtr hIcon, UIEngine engine, bool large)
{
IconInfo iconInfo = new IconInfo();
if (true == GetIconInfo(hIcon, out iconInfo))
{
BitmapInfo bitmapInfo = new BitmapInfo();
bitmapInfo.bmiHeader.biSize = Marshal.SizeOf(bitmapInfo);
IntPtr dc = CreateCompatibleDC(IntPtr.Zero);
int rez = GetDIBits(dc, iconInfo.hbmColor, 0, 0, null, ref bitmapInfo, Win32.DIB_RGB_COLORS);
if (rez == 0)
{
DeleteDC(dc);
return(null);
}
byte[] pBuffer = new byte[bitmapInfo.bmiHeader.biWidth * bitmapInfo.bmiHeader.biHeight * 4];
byte[] buffer = new byte[bitmapInfo.bmiHeader.biWidth * bitmapInfo.bmiHeader.biHeight * 4];
rez = GetDIBits(dc, iconInfo.hbmColor, 0, (uint)bitmapInfo.bmiHeader.biHeight, buffer, ref bitmapInfo, Win32.DIB_RGB_COLORS);
bool bAllAlphaTransparent = true;
for (int y = 0; y < bitmapInfo.bmiHeader.biHeight; y++)
{
for (int x = 0; x < bitmapInfo.bmiHeader.biWidth; x++)
{
pBuffer[y * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 0] = buffer[(bitmapInfo.bmiHeader.biHeight - y - 1) * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 2];
pBuffer[y * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 1] = buffer[(bitmapInfo.bmiHeader.biHeight - y - 1) * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 1];
pBuffer[y * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 2] = buffer[(bitmapInfo.bmiHeader.biHeight - y - 1) * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 0];
pBuffer[y * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 3] = buffer[(bitmapInfo.bmiHeader.biHeight - y - 1) * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 3];
if ((false != bAllAlphaTransparent) && (pBuffer[y * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 3] != 0x0))
{
bAllAlphaTransparent = false;
}
}
}
rez = GetDIBits(dc, iconInfo.hbmMask, 0, 0, null, ref bitmapInfo, Win32.DIB_RGB_COLORS);
if ((rez == 0) || (false == bAllAlphaTransparent))
{
}
else
{
byte[] colorBits = new byte[4096 * 4];
byte[] maskBits = new byte[4096 * 4];
BitmapInfo bmi = new BitmapInfo();
bmi.bmiHeader.biSize = Marshal.SizeOf(bmi);
bmi.bmiHeader.biWidth = /*32;*/ bitmapInfo.bmiHeader.biWidth;
bmi.bmiHeader.biHeight = /*32;*/ bitmapInfo.bmiHeader.biHeight;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biBitCount = 32;
bmi.bmiHeader.biCompression = Win32.BI_RGB;
// Extract the color bitmap
int nBits = bitmapInfo.bmiHeader.biWidth * bitmapInfo.bmiHeader.biHeight * 32 / 8;
GetDIBits(dc, iconInfo.hbmColor, 0, 32, colorBits, ref bmi, Win32.DIB_RGB_COLORS);
// Extract the mask bitmap
GetDIBits(dc, iconInfo.hbmMask, 0, 32, maskBits, ref bmi, Win32.DIB_RGB_COLORS);
// Copy the mask alphas into the color bits
for (int i = 0; i < nBits; i++)
{
colorBits[i + 0] = (byte)(colorBits[i + 0] | ((maskBits[i + 0] != 0) ? 0 : 0xff));
}
memcpy(pBuffer, colorBits, bitmapInfo.bmiHeader.biWidth * bitmapInfo.bmiHeader.biHeight * 4);
byte[] buffer1 = colorBits;
for (int y = 0; y < bitmapInfo.bmiHeader.biHeight; y++)
{
for (int x = 0; x < bitmapInfo.bmiHeader.biWidth; x++)
{
pBuffer[y * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 0] = buffer1[(bitmapInfo.bmiHeader.biHeight - y - 1) * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 2];
pBuffer[y * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 1] = buffer1[(bitmapInfo.bmiHeader.biHeight - y - 1) * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 1];
pBuffer[y * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 2] = buffer1[(bitmapInfo.bmiHeader.biHeight - y - 1) * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 0];
pBuffer[y * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 3] = buffer1[(bitmapInfo.bmiHeader.biHeight - y - 1) * bitmapInfo.bmiHeader.biWidth * 4 + x * 4 + 3];
}
}
}
DeleteDC(dc);
DeleteObject(iconInfo.hbmColor);
DeleteObject(iconInfo.hbmMask);
IImage resultImage = engine.CreateImage("icon_" + hIcon.ToInt64() + "_" + large, bitmapInfo.bmiHeader.biWidth, bitmapInfo.bmiHeader.biHeight, pBuffer);
return(resultImage);
}
return(null);
}
