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9366a1ec50
This was also done prior to commit 806cb44. I just assumed that now that we are back using the system’s named image stuff, we would benefit from their cache, but clearly we are not (especially file browser seemed sluggish because of (re)loading the file type images).
57 lines
1.7 KiB
Plaintext
57 lines
1.7 KiB
Plaintext
#import "NSImage Additions.h"
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@implementation NSImage (ImageFromBundle)
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+ (NSImage*)imageNamed:(NSString*)aName inSameBundleAsClass:(id)aClass
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{
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if(!aName)
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return nil;
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NSBundle* bundle = [NSBundle bundleForClass:aClass];
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NSString* name = [NSString stringWithFormat:@"%@.%@", [bundle bundleIdentifier], aName];
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static NSMutableDictionary* cache = [NSMutableDictionary new];
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if(NSImage* res = [cache objectForKey:name])
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return res;
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if(NSImage* image = [[NSBundle bundleForClass:aClass] imageForResource:aName])
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{
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[cache setObject:image forKey:name];
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return image;
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}
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return nil;
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}
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// ===================================================
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// = Gracefully draw in potentially flipped contexts =
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// ===================================================
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- (void)drawAdjustedAtPoint:(NSPoint)aPoint fromRect:(NSRect)srcRect operation:(NSCompositingOperation)op fraction:(CGFloat)delta
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{
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[self drawAdjustedInRect:(NSRect){ aPoint, [self size] } fromRect:srcRect operation:op fraction:delta];
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}
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- (void)drawAdjustedInRect:(NSRect)dstRect fromRect:(NSRect)srcRect operation:(NSCompositingOperation)op fraction:(CGFloat)delta
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{
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NSGraphicsContext* context = [NSGraphicsContext currentContext];
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if([context isFlipped])
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{
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[context saveGraphicsState];
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NSAffineTransform* transform = [NSAffineTransform transform];
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[transform translateXBy:0 yBy:NSMaxY(dstRect)];
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[transform scaleXBy:1 yBy:-1];
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[transform concat];
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dstRect.origin.y = 0.0; // The transform above places the y-origin right where the image should be drawn.
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[self drawInRect:dstRect fromRect:srcRect operation:op fraction:delta];
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[context restoreGraphicsState];
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}
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else
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{
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[self drawInRect:dstRect fromRect:srcRect operation:op fraction:delta];
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}
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}
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@end
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