1/* 2 * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#import "config.h" 27#import "BitmapImage.h" 28 29#import "FloatRect.h" 30#import "GraphicsContext.h" 31#import "SharedBuffer.h" 32#import <wtf/text/WTFString.h> 33 34@interface WebCoreBundleFinder : NSObject 35@end 36 37@implementation WebCoreBundleFinder 38@end 39 40namespace WebCore { 41 42void BitmapImage::invalidatePlatformData() 43{ 44 if (m_frames.size() != 1) 45 return; 46 47 m_nsImage = 0; 48 m_tiffRep = 0; 49} 50 51PassRefPtr<Image> Image::loadPlatformResource(const char *name) 52{ 53 NSBundle *bundle = [NSBundle bundleForClass:[WebCoreBundleFinder class]]; 54 NSString *imagePath = [bundle pathForResource:[NSString stringWithUTF8String:name] ofType:@"png"]; 55 NSData *namedImageData = [NSData dataWithContentsOfFile:imagePath]; 56 if (namedImageData) { 57 RefPtr<Image> image = BitmapImage::create(); 58 image->setData(SharedBuffer::wrapNSData(namedImageData), true); 59 return image.release(); 60 } 61 62 // We have reports indicating resource loads are failing, but we don't yet know the root cause(s). 63 // Two theories are bad installs (image files are missing), and too-many-open-files. 64 // See rdar://5607381 65 ASSERT_NOT_REACHED(); 66 return Image::nullImage(); 67} 68 69CFDataRef BitmapImage::getTIFFRepresentation() 70{ 71 if (m_tiffRep) 72 return m_tiffRep.get(); 73 74 unsigned numFrames = frameCount(); 75 76 // If numFrames is zero, we know for certain this image doesn't have valid data 77 // Even though the call to CGImageDestinationCreateWithData will fail and we'll handle it gracefully, 78 // in certain circumstances that call will spam the console with an error message 79 if (!numFrames) 80 return 0; 81 82 Vector<CGImageRef> images; 83 for (unsigned i = 0; i < numFrames; ++i ) { 84 CGImageRef cgImage = frameAtIndex(i); 85 if (cgImage) 86 images.append(cgImage); 87 } 88 89 unsigned numValidFrames = images.size(); 90 91 RetainPtr<CFMutableDataRef> data = adoptCF(CFDataCreateMutable(0, 0)); 92 RetainPtr<CGImageDestinationRef> destination = adoptCF(CGImageDestinationCreateWithData(data.get(), kUTTypeTIFF, numValidFrames, 0)); 93 94 if (!destination) 95 return 0; 96 97 for (unsigned i = 0; i < numValidFrames; ++i) 98 CGImageDestinationAddImage(destination.get(), images[i], 0); 99 100 CGImageDestinationFinalize(destination.get()); 101 102 m_tiffRep = data; 103 return m_tiffRep.get(); 104} 105 106NSImage* BitmapImage::getNSImage() 107{ 108 if (m_nsImage) 109 return m_nsImage.get(); 110 111 CFDataRef data = getTIFFRepresentation(); 112 if (!data) 113 return 0; 114 115 m_nsImage = adoptNS([[NSImage alloc] initWithData:(NSData*)data]); 116 return m_nsImage.get(); 117} 118 119} 120