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user32: Fixed icons to select correct image in high colour depth.

This commit is contained in:
Joel Holdsworth 2009-12-30 20:00:08 +00:00 committed by Alexandre Julliard
parent 39772f9749
commit 95ac10e526
1 changed files with 31 additions and 37 deletions
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68
dlls/user32/cursoricon.c
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@ -468,10 +468,10 @@ typedef BOOL (*fnGetCIEntry)( LPVOID dir, int n,
/**********************************************************************
* CURSORICON_FindBestIcon
*
* Find the icon closest to the requested size and number of colors.
* Find the icon closest to the requested size and bit depth.
*/
static int CURSORICON_FindBestIcon( LPVOID dir, fnGetCIEntry get_entry,
int width, int height, int colors )
int width, int height, int depth )
{
int i, cx, cy, bits, bestEntry = -1;
UINT iTotalDiff, iXDiff=0, iYDiff=0, iColorDiff;
@ -498,7 +498,7 @@ static int CURSORICON_FindBestIcon( LPVOID dir, fnGetCIEntry get_entry,
{
if(abs(width - cx) == iXDiff && abs(height - cy) == iYDiff)
{
iTempColorDiff = abs(colors - (1<<bits));
iTempColorDiff = abs(depth - bits);
if(iColorDiff > iTempColorDiff)
{
bestEntry = i;
@ -533,7 +533,7 @@ static BOOL CURSORICON_GetResIconEntry( LPVOID dir, int n,
* FIXME: parameter 'color' ignored.
*/
static int CURSORICON_FindBestCursor( LPVOID dir, fnGetCIEntry get_entry,
int width, int height, int color )
int width, int height, int depth )
{
int i, maxwidth, maxheight, cx, cy, bits, bestEntry = -1;
@ -588,22 +588,22 @@ static BOOL CURSORICON_GetResCursorEntry( LPVOID dir, int n,
}
static CURSORICONDIRENTRY *CURSORICON_FindBestIconRes( CURSORICONDIR * dir,
int width, int height, int colors )
int width, int height, int depth )
{
int n;
n = CURSORICON_FindBestIcon( dir, CURSORICON_GetResIconEntry,
width, height, colors );
width, height, depth );
if ( n < 0 )
return NULL;
return &dir->idEntries[n];
}
static CURSORICONDIRENTRY *CURSORICON_FindBestCursorRes( CURSORICONDIR *dir,
int width, int height, int color )
int width, int height, int depth )
{
int n = CURSORICON_FindBestCursor( dir, CURSORICON_GetResCursorEntry,
width, height, color );
width, height, depth );
if ( n < 0 )
return NULL;
return &dir->idEntries[n];
@ -625,20 +625,20 @@ static BOOL CURSORICON_GetFileEntry( LPVOID dir, int n,
}
static CURSORICONFILEDIRENTRY *CURSORICON_FindBestCursorFile( CURSORICONFILEDIR *dir,
int width, int height, int color )
int width, int height, int depth )
{
int n = CURSORICON_FindBestCursor( dir, CURSORICON_GetFileEntry,
width, height, color );
width, height, depth );
if ( n < 0 )
return NULL;
return &dir->idEntries[n];
}
static CURSORICONFILEDIRENTRY *CURSORICON_FindBestIconFile( CURSORICONFILEDIR *dir,
int width, int height, int color )
int width, int height, int depth )
{
int n = CURSORICON_FindBestIcon( dir, CURSORICON_GetFileEntry,
width, height, color );
width, height, depth );
if ( n < 0 )
return NULL;
return &dir->idEntries[n];
@ -964,7 +964,7 @@ static void riff_find_chunk( DWORD chunk_id, DWORD chunk_type, const riff_chunk_
* \- CHUNK:icon
*/
static HCURSOR CURSORICON_CreateIconFromANI( const LPBYTE bits, DWORD bits_size,
INT width, INT height, INT colors )
INT width, INT height, INT depth )
{
HCURSOR cursor;
ani_header header = {0};
@ -1017,7 +1017,7 @@ static HCURSOR CURSORICON_CreateIconFromANI( const LPBYTE bits, DWORD bits_size,
icon_data = fram_chunk.data + (2 * sizeof(DWORD));
entry = CURSORICON_FindBestIconFile( (CURSORICONFILEDIR *) icon_data,
width, height, colors );
width, height, depth );
frame_bits = HeapAlloc( GetProcessHeap(), 0, entry->dwDIBSize );
memcpy( frame_bits, icon_data + entry->dwDIBOffset, entry->dwDIBSize );
@ -1086,7 +1086,7 @@ HICON WINAPI CreateIconFromResource( LPBYTE bits, UINT cbSize,
static HICON CURSORICON_LoadFromFile( LPCWSTR filename,
INT width, INT height, INT colors,
INT width, INT height, INT depth,
BOOL fCursor, UINT loadflags)
{
CURSORICONFILEDIRENTRY *entry;
@ -1106,7 +1106,7 @@ static HICON CURSORICON_LoadFromFile( LPCWSTR filename,
if (memcmp( bits, "RIFF", 4 ) == 0)
{
hIcon = CURSORICON_CreateIconFromANI( bits, filesize, width, height,
colors );
depth );
goto end;
}
@ -1118,9 +1118,9 @@ static HICON CURSORICON_LoadFromFile( LPCWSTR filename,
goto end;
if ( fCursor )
entry = CURSORICON_FindBestCursorFile( dir, width, height, colors );
entry = CURSORICON_FindBestCursorFile( dir, width, height, depth );
else
entry = CURSORICON_FindBestIconFile( dir, width, height, colors );
entry = CURSORICON_FindBestIconFile( dir, width, height, depth );
if ( !entry )
goto end;
@ -1157,7 +1157,7 @@ end:
* Load a cursor or icon from resource or file.
*/
static HICON CURSORICON_Load(HINSTANCE hInstance, LPCWSTR name,
INT width, INT height, INT colors,
INT width, INT height, INT depth,
BOOL fCursor, UINT loadflags)
{
HANDLE handle = 0;
@ -1169,11 +1169,11 @@ static HICON CURSORICON_Load(HINSTANCE hInstance, LPCWSTR name,
WORD wResId;
DWORD dwBytesInRes;
TRACE("%p, %s, %dx%d, colors %d, fCursor %d, flags 0x%04x\n",
hInstance, debugstr_w(name), width, height, colors, fCursor, loadflags);
TRACE("%p, %s, %dx%d, depth %d, fCursor %d, flags 0x%04x\n",
hInstance, debugstr_w(name), width, height, depth, fCursor, loadflags);
if ( loadflags & LR_LOADFROMFILE ) /* Load from file */
return CURSORICON_LoadFromFile( name, width, height, colors, fCursor, loadflags );
return CURSORICON_LoadFromFile( name, width, height, depth, fCursor, loadflags );
if (!hInstance) hInstance = user32_module; /* Load OEM cursor/icon */
@ -1192,9 +1192,9 @@ static HICON CURSORICON_Load(HINSTANCE hInstance, LPCWSTR name,
if (!(handle = LoadResource( hInstance, hRsrc ))) return 0;
if (!(dir = LockResource( handle ))) return 0;
if (fCursor)
dirEntry = CURSORICON_FindBestCursorRes( dir, width, height, colors );
dirEntry = CURSORICON_FindBestCursorRes( dir, width, height, depth );
else
dirEntry = CURSORICON_FindBestIconRes( dir, width, height, colors );
dirEntry = CURSORICON_FindBestIconRes( dir, width, height, depth );
if (!dirEntry) return 0;
wResId = dirEntry->wResId;
dwBytesInRes = dirEntry->dwBytesInRes;
@ -1767,21 +1767,16 @@ INT WINAPI LookupIconIdFromDirectoryEx( LPBYTE xdir, BOOL bIcon,
if( dir && !dir->idReserved && (dir->idType & 3) )
{
CURSORICONDIRENTRY* entry;
HDC hdc;
UINT palEnts;
int colors;
hdc = GetDC(0);
palEnts = GetSystemPaletteEntries(hdc, 0, 0, NULL);
if (palEnts == 0)
palEnts = 256;
colors = (cFlag & LR_MONOCHROME) ? 2 : palEnts;
const HDC hdc = GetDC(0);
const int depth = (cFlag & LR_MONOCHROME) ?
1 : GetDeviceCaps(hdc, BITSPIXEL);
ReleaseDC(0, hdc);
if( bIcon )
entry = CURSORICON_FindBestIconRes( dir, width, height, colors );
entry = CURSORICON_FindBestIconRes( dir, width, height, depth );
else
entry = CURSORICON_FindBestCursorRes( dir, width, height, colors );
entry = CURSORICON_FindBestCursorRes( dir, width, height, depth );
if( entry ) retVal = entry->wResId;
}
@ -2532,10 +2527,9 @@ HANDLE WINAPI LoadImageW( HINSTANCE hinst, LPCWSTR name, UINT type,
if (!screen_dc) screen_dc = CreateDCW( DISPLAYW, NULL, NULL, NULL );
if (screen_dc)
{
UINT palEnts = GetSystemPaletteEntries(screen_dc, 0, 0, NULL);
if (palEnts == 0) palEnts = 256;
return CURSORICON_Load(hinst, name, desiredx, desiredy,
palEnts, FALSE, loadflags);
GetDeviceCaps(screen_dc, BITSPIXEL),
FALSE, loadflags);
}
break;