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 "PlatformString.h" 32 #import "SharedBuffer.h" 33 34 @interface WebCoreBundleFinder : NSObject 35 @end 36 37 @implementation WebCoreBundleFinder 38 @end 39 40 namespace WebCore { 41 42 void BitmapImage::initPlatformData() 43 { 44 } 45 46 void BitmapImage::invalidatePlatformData() 47 { 48 if (m_frames.size() != 1) 49 return; 50 51 m_nsImage = 0; 52 m_tiffRep = 0; 53 } 54 55 PassRefPtr<Image> Image::loadPlatformResource(const char *name) 56 { 57 NSBundle *bundle = [NSBundle bundleForClass:[WebCoreBundleFinder class]]; 58 NSString *imagePath = [bundle pathForResource:[NSString stringWithUTF8String:name] ofType:@"tiff"]; 59 NSData *namedImageData = [NSData dataWithContentsOfFile:imagePath]; 60 if (namedImageData) { 61 RefPtr<Image> image = BitmapImage::create(); 62 image->setData(SharedBuffer::wrapNSData(namedImageData), true); 63 return image.release(); 64 } 65 66 // We have reports indicating resource loads are failing, but we don't yet know the root cause(s). 67 // Two theories are bad installs (image files are missing), and too-many-open-files. 68 // See rdar://5607381 69 ASSERT_NOT_REACHED(); 70 return Image::nullImage(); 71 } 72 73 CFDataRef BitmapImage::getTIFFRepresentation() 74 { 75 if (m_tiffRep) 76 return m_tiffRep.get(); 77 78 unsigned numFrames = frameCount(); 79 80 // If numFrames is zero, we know for certain this image doesn't have valid data 81 // Even though the call to CGImageDestinationCreateWithData will fail and we'll handle it gracefully, 82 // in certain circumstances that call will spam the console with an error message 83 if (!numFrames) 84 return 0; 85 86 Vector<CGImageRef> images; 87 for (unsigned i = 0; i < numFrames; ++i ) { 88 CGImageRef cgImage = frameAtIndex(i); 89 if (cgImage) 90 images.append(cgImage); 91 } 92 93 unsigned numValidFrames = images.size(); 94 95 RetainPtr<CFMutableDataRef> data(AdoptCF, CFDataCreateMutable(0, 0)); 96 // FIXME: Use type kCGImageTypeIdentifierTIFF constant once is becomes available in the API 97 RetainPtr<CGImageDestinationRef> destination(AdoptCF, CGImageDestinationCreateWithData(data.get(), CFSTR("public.tiff"), numValidFrames, 0)); 98 99 if (!destination) 100 return 0; 101 102 for (unsigned i = 0; i < numValidFrames; ++i) 103 CGImageDestinationAddImage(destination.get(), images[i], 0); 104 105 CGImageDestinationFinalize(destination.get()); 106 107 m_tiffRep = data; 108 return m_tiffRep.get(); 109 } 110 111 NSImage* BitmapImage::getNSImage() 112 { 113 if (m_nsImage) 114 return m_nsImage.get(); 115 116 CFDataRef data = getTIFFRepresentation(); 117 if (!data) 118 return 0; 119 120 m_nsImage.adoptNS([[NSImage alloc] initWithData:(NSData*)data]); 121 return m_nsImage.get(); 122 } 123 124 } 125