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Added Quartz version of SDL_SetIcon() for MacOS X (thanks Bob)

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40270
This commit is contained in:
Sam Lantinga 2002-01-18 19:41:59 +00:00
parent f7244502f5
commit 84a8810315
1 changed files with 42 additions and 2 deletions
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44
src/video/quartz/SDL_QuartzWM.m
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@ -143,8 +143,48 @@ static void QZ_SetCaption (_THIS, const char *title, const char *icon) {
} }
} }
static void QZ_SetIcon (_THIS, SDL_Surface *icon, Uint8 *mask) { static void QZ_SetIcon (_THIS, SDL_Surface *icon, Uint8 *mask)
/* Convert icon/mask to NSImage, assign with NSWindow's setMiniwindowImage method */ {
NSBitmapImageRep *imgrep;
NSImage *img;
SDL_Surface *mergedSurface;
Uint8 *surfPtr;
int i,j,masksize;
NSAutoreleasePool *pool;
SDL_Rect rrect;
NSSize imgSize = {icon->w, icon->h};
pool = [ [ NSAutoreleasePool alloc ] init ];
SDL_GetClipRect(icon, &rrect);
/* create a big endian RGBA surface */
mergedSurface = SDL_CreateRGBSurface(SDL_SWSURFACE|SDL_SRCALPHA,
icon->w, icon->h, 32, 0xff<<24, 0xff<<16, 0xff<<8, 0xff<<0);
if (mergedSurface==NULL) { NSLog(@"Error creating surface for
merge"); goto freePool; }
if (SDL_BlitSurface(icon,&rrect,mergedSurface,&rrect)) {
NSLog(@"Error blitting to mergedSurface");
goto freePool;
}
if (mask) {
masksize=icon->w*icon->h;
surfPtr = (Uint8 *)mergedSurface->pixels;
#define ALPHASHIFT 3
for (i=0;i<masksize;i+=8)
for (j=0;j<8;j++)
surfPtr[ALPHASHIFT+((i+j)<<2)]=(mask[i>>3]&(1<<(7-j)))?0xFF:0x00;
}
imgrep = [[NSBitmapImageRep alloc]
initWithBitmapDataPlanes:(unsigned char **)&mergedSurface->pixels
pixelsWide:icon->w pixelsHigh:icon->h bitsPerSample:8 samplesPerPixel:4
hasAlpha:YES isPlanar:NO colorSpaceName:NSDeviceRGBColorSpace
bytesPerRow:icon->w<<2 bitsPerPixel:32];
img = [[NSImage alloc] initWithSize:imgSize];
[img addRepresentation: imgrep];
[NSApp setApplicationIconImage:img];
[img release];
[imgrep release];
SDL_FreeSurface(mergedSurface);
freePool:
[pool release];
} }
static int QZ_IconifyWindow (_THIS) { static int QZ_IconifyWindow (_THIS) {