[34] | 1 | //
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| 2 | // NSImage-NJRExtensions.m
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| 3 | // Pester
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| 4 | //
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| 5 | // Created by Nicholas Riley on Mon Oct 28 2002.
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| 6 | // Copyright (c) 2002 __MyCompanyName__. All rights reserved.
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| 7 | //
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| 8 |
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| 9 | #import "NSImage-NJRExtensions.h"
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| 10 |
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| 11 |
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| 12 | @implementation NSImage (NJRExtensions)
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| 13 |
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| 14 | - (NSImage *)bestFitImageForSize:(NSSize)imageSize;
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| 15 | {
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| 16 | NSSize repSize;
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| 17 | NSArray *imageReps;
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| 18 | int i, repCount;
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| 19 | NSImageRep *preferredRep, *rep;
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| 20 | imageReps = [self representations];
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| 21 | repCount = [imageReps count];
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| 22 | preferredRep = [imageReps objectAtIndex: 0];
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| 23 | for (i = 1 ; i < repCount ; i++) {
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| 24 | rep = [imageReps objectAtIndex: i];
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| 25 | repSize = [rep size];
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| 26 | if (repSize.width == imageSize.width && repSize.height == imageSize.height) {
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| 27 | preferredRep = rep;
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| 28 | break;
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| 29 | }
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| 30 | if (repSize.width >= imageSize.width || repSize.height >= imageSize.height) {
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| 31 | // pick the smallest of the larger representations
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| 32 | if (repSize.width <= [preferredRep size].width ||
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| 33 | repSize.height <= [preferredRep size].height) preferredRep = rep;
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| 34 | } else {
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| 35 | // or the largest of the smaller representations
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| 36 | if (([preferredRep size].width > imageSize.width ||
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| 37 | [preferredRep size].height > imageSize.height) ||
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| 38 | // (assuming that the previous preferred rep was smaller, too)
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| 39 | // XXX fix this in HostLauncher too
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| 40 | (repSize.width >= [preferredRep size].width ||
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| 41 | repSize.height >= [preferredRep size].height)) preferredRep = rep;
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| 42 | }
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| 43 | }
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| 44 | // Begin workaround code for bug in OS X 10.1 (removeRepresentation: has no effect)
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| 45 | if (repCount > 1) {
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| 46 | NSImage *image = [[[NSImage alloc] initWithSize: [preferredRep size]] autorelease];
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| 47 | [image addRepresentation: preferredRep];
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| 48 | return image;
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| 49 | } else {
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| 50 | return self;
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| 51 | }
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| 52 | }
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| 53 |
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| 54 | @end
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