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comctl32: Use GetDIBits to retrieve the default color map for an imagelist DIB section.

This commit is contained in:
Alexandre Julliard 2011-12-16 14:20:05 +01:00
parent 40cf298c75
commit e0fc985f32
1 changed files with 11 additions and 37 deletions
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48
dlls/comctl32/imagelist.c
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@ -3093,54 +3093,28 @@ static HBITMAP ImageList_CreateImage(HDC hdc, HIMAGELIST himl, UINT count)
if ((ilc >= ILC_COLOR4 && ilc <= ILC_COLOR32) || ilc == ILC_COLOR)
{
VOID* bits;
BITMAPINFO *bmi;
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
BITMAPINFO *bmi = (BITMAPINFO *)buffer;
TRACE("Creating DIBSection %d x %d, %d Bits per Pixel\n",
sz.cx, sz.cy, himl->uBitsPixel);
if (himl->uBitsPixel <= ILC_COLOR8)
{
LPPALETTEENTRY pal;
ULONG i, colors;
BYTE temp;
colors = 1 << himl->uBitsPixel;
bmi = Alloc(sizeof(BITMAPINFOHEADER) +
sizeof(PALETTEENTRY) * colors);
pal = (LPPALETTEENTRY)bmi->bmiColors;
GetPaletteEntries(GetStockObject(DEFAULT_PALETTE), 0, colors, pal);
/* Swap colors returned by GetPaletteEntries so we can use them for
* CreateDIBSection call. */
for (i = 0; i < colors; i++)
{
temp = pal[i].peBlue;
bmi->bmiColors[i].rgbRed = pal[i].peRed;
bmi->bmiColors[i].rgbBlue = temp;
}
}
else
{
bmi = Alloc(sizeof(BITMAPINFOHEADER));
}
memset( buffer, 0, sizeof(buffer) );
bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmi->bmiHeader.biWidth = sz.cx;
bmi->bmiHeader.biHeight = sz.cy;
bmi->bmiHeader.biPlanes = 1;
bmi->bmiHeader.biBitCount = himl->uBitsPixel;
bmi->bmiHeader.biCompression = BI_RGB;
bmi->bmiHeader.biSizeImage = 0;
bmi->bmiHeader.biXPelsPerMeter = 0;
bmi->bmiHeader.biYPelsPerMeter = 0;
bmi->bmiHeader.biClrUsed = 0;
bmi->bmiHeader.biClrImportant = 0;
hbmNewBitmap = CreateDIBSection(hdc, bmi, DIB_RGB_COLORS, &bits, 0, 0);
Free (bmi);
if (himl->uBitsPixel <= ILC_COLOR8)
{
/* retrieve the default color map */
HBITMAP tmp = CreateBitmap( 1, 1, 1, 1, NULL );
GetDIBits( hdc, tmp, 0, 0, NULL, bmi, DIB_RGB_COLORS );
DeleteObject( tmp );
}
hbmNewBitmap = CreateDIBSection(hdc, bmi, DIB_RGB_COLORS, NULL, 0, 0);
}
else /*if (ilc == ILC_COLORDDB)*/
{