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DIB_FixColorsToLoadflags: Support bitmaps with a BITMAPCOREHEADER 

properly.
This commit is contained in:
Michael Kaufmann 2004-09-28 02:06:02 +00:00 committed by Alexandre Julliard
parent 531dbbd8e7
commit 469b41f24c
1 changed files with 28 additions and 12 deletions
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40
windows/cursoricon.c
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@ -773,7 +773,7 @@ static HICON CURSORICON_CreateFromResource( HMODULE16 hModule, HGLOBAL16 hObj, L
bmi->bmiHeader.biBitCount ) * abs( bmi->bmiHeader.biHeight ) / 2;
pInfo->bmiHeader.biBitCount = 1;
if (pInfo->bmiHeader.biSize == sizeof(BITMAPINFOHEADER))
if (pInfo->bmiHeader.biSize != sizeof(BITMAPCOREHEADER))
{
RGBQUAD *rgb = pInfo->bmiColors;
@ -2010,28 +2010,44 @@ static void DIB_FixColorsToLoadflags(BITMAPINFO * bmi, UINT loadflags, BYTE pix)
COLORREF c_W, c_S, c_F, c_L, c_C;
int incr,i;
RGBQUAD *ptr;
int bitmap_type;
LONG width;
LONG height;
WORD bpp;
DWORD compr;
if (bmi->bmiHeader.biBitCount > 8) return;
if (bmi->bmiHeader.biSize == sizeof(BITMAPINFOHEADER)) incr = 4;
else if (bmi->bmiHeader.biSize == sizeof(BITMAPCOREHEADER)) incr = 3;
else {
WARN_(resource)("Wrong bitmap header size!\n");
return;
if (((bitmap_type = DIB_GetBitmapInfo((BITMAPINFOHEADER*) bmi, &width, &height, &bpp, &compr)) == -1))
{
WARN_(resource)("Invalid bitmap\n");
return;
}
colors = bmi->bmiHeader.biClrUsed;
if (!colors && (bmi->bmiHeader.biBitCount <= 8))
colors = 1 << bmi->bmiHeader.biBitCount;
if (bpp > 8) return;
if (bitmap_type == 0) /* BITMAPCOREHEADER */
{
incr = 3;
colors = 1 << bpp;
}
else
{
incr = 4;
colors = bmi->bmiHeader.biClrUsed;
if (!colors && (bpp <= 8)) colors = 1 << bpp;
}
c_W = GetSysColor(COLOR_WINDOW);
c_S = GetSysColor(COLOR_3DSHADOW);
c_F = GetSysColor(COLOR_3DFACE);
c_L = GetSysColor(COLOR_3DLIGHT);
if (loadflags & LR_LOADTRANSPARENT) {
switch (bmi->bmiHeader.biBitCount) {
switch (bpp) {
case 1: pix = pix >> 7; break;
case 4: pix = pix >> 4; break;
case 8: break;
default:
WARN_(resource)("(%d): Unsupported depth\n", bmi->bmiHeader.biBitCount);
WARN_(resource)("(%d): Unsupported depth\n", bpp);
return;
}
if (pix >= colors) {