user32: Fix LoadImage behavior with zero size and no LR_DEFAULTSIZE.

Based on a patch by Marcus Meissner.
This commit is contained in:
Alexandre Julliard 2011-01-28 12:44:21 +01:00
parent ab4a5a327d
commit 76fb69bf3d

View file

@ -422,7 +422,20 @@ static int CURSORICON_FindBestIcon( LPCVOID dir, fnGetCIEntry get_entry,
/* Find Best Fit */
iTotalDiff = 0xFFFFFFFF;
iColorDiff = 0xFFFFFFFF;
for ( i = 0; get_entry( dir, i, &cx, &cy, &bits ); i++ )
if (loadflags & LR_DEFAULTSIZE)
{
if (!width) width = GetSystemMetrics( SM_CXICON );
if (!height) height = GetSystemMetrics( SM_CYICON );
}
else if (!width && !height)
{
/* use the size of the first entry */
if (!get_entry( dir, 0, &width, &height, &bits )) return -1;
iTotalDiff = 0;
}
for ( i = 0; iTotalDiff && get_entry( dir, i, &cx, &cy, &bits ); i++ )
{
iTempXDiff = abs(width - cx);
iTempYDiff = abs(height - cy);
@ -479,6 +492,18 @@ static int CURSORICON_FindBestCursor( LPCVOID dir, fnGetCIEntry get_entry,
{
int i, maxwidth, maxheight, cx, cy, bits, bestEntry = -1;
if (loadflags & LR_DEFAULTSIZE)
{
if (!width) width = GetSystemMetrics( SM_CXCURSOR );
if (!height) height = GetSystemMetrics( SM_CYCURSOR );
}
else if (!width && !height)
{
/* use the first entry */
if (!get_entry( dir, 0, &width, &height, &bits )) return -1;
return 0;
}
/* Double height to account for AND and XOR masks */
height *= 2;
@ -782,8 +807,16 @@ static HICON CURSORICON_CreateIconFromBMI( BITMAPINFO *bmi, HMODULE module, LPCW
return 0;
}
if (!width) width = bmi->bmiHeader.biWidth;
if (!height) height = bmi->bmiHeader.biHeight/2;
if (cFlag & LR_DEFAULTSIZE)
{
if (!width) width = GetSystemMetrics( bIcon ? SM_CXICON : SM_CXCURSOR );
if (!height) height = GetSystemMetrics( bIcon ? SM_CYICON : SM_CYCURSOR );
}
else
{
if (!width) width = bmi->bmiHeader.biWidth;
if (!height) height = bmi->bmiHeader.biHeight/2;
}
do_stretch = (bmi->bmiHeader.biHeight/2 != height) ||
(bmi->bmiHeader.biWidth != width);
@ -2274,15 +2307,6 @@ HANDLE WINAPI LoadImageW( HINSTANCE hinst, LPCWSTR name, UINT type,
TRACE_(resource)("(%p,%s,%d,%d,%d,0x%08x)\n",
hinst,debugstr_w(name),type,desiredx,desiredy,loadflags);
if (loadflags & LR_DEFAULTSIZE) {
if (type == IMAGE_ICON) {
if (!desiredx) desiredx = GetSystemMetrics(SM_CXICON);
if (!desiredy) desiredy = GetSystemMetrics(SM_CYICON);
} else if (type == IMAGE_CURSOR) {
if (!desiredx) desiredx = GetSystemMetrics(SM_CXCURSOR);
if (!desiredy) desiredy = GetSystemMetrics(SM_CYCURSOR);
}
}
if (loadflags & LR_LOADFROMFILE) loadflags &= ~LR_SHARED;
switch (type) {
case IMAGE_BITMAP: