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 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 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 40#if PLATFORM(IOS) 41#import "SoftLinking.h" 42 43#import <CoreGraphics/CoreGraphics.h> 44#import <ImageIO/ImageIO.h> 45#import <MobileCoreServices/MobileCoreServices.h> 46 47SOFT_LINK_FRAMEWORK(MobileCoreServices) 48SOFT_LINK_CONSTANT(MobileCoreServices, kUTTypeTIFF, CFStringRef) 49#define kUTTypeTIFF getkUTTypeTIFF() 50#endif 51 52namespace WebCore { 53 54void BitmapImage::invalidatePlatformData() 55{ 56 if (m_frames.size() != 1) 57 return; 58 59#if USE(APPKIT) 60 m_nsImage = 0; 61#endif 62 m_tiffRep = 0; 63} 64 65PassRefPtr<Image> Image::loadPlatformResource(const char *name) 66{ 67 NSBundle *bundle = [NSBundle bundleForClass:[WebCoreBundleFinder class]]; 68 NSString *imagePath = [bundle pathForResource:[NSString stringWithUTF8String:name] ofType:@"png"]; 69 NSData *namedImageData = [NSData dataWithContentsOfFile:imagePath]; 70 if (namedImageData) { 71 RefPtr<Image> image = BitmapImage::create(); 72 image->setData(SharedBuffer::wrapNSData(namedImageData), true); 73 return image.release(); 74 } 75 76 // We have reports indicating resource loads are failing, but we don't yet know the root cause(s). 77 // Two theories are bad installs (image files are missing), and too-many-open-files. 78 // See rdar://5607381 79 ASSERT_NOT_REACHED(); 80 return Image::nullImage(); 81} 82 83CFDataRef BitmapImage::getTIFFRepresentation() 84{ 85 if (m_tiffRep) 86 return m_tiffRep.get(); 87 88 unsigned numFrames = frameCount(); 89 90 // If numFrames is zero, we know for certain this image doesn't have valid data 91 // Even though the call to CGImageDestinationCreateWithData will fail and we'll handle it gracefully, 92 // in certain circumstances that call will spam the console with an error message 93 if (!numFrames) 94 return 0; 95 96 Vector<CGImageRef> images; 97 for (unsigned i = 0; i < numFrames; ++i ) { 98 CGImageRef cgImage = frameAtIndex(i); 99 if (cgImage) 100 images.append(cgImage); 101 } 102 103 unsigned numValidFrames = images.size(); 104 105 RetainPtr<CFMutableDataRef> data = adoptCF(CFDataCreateMutable(0, 0)); 106 RetainPtr<CGImageDestinationRef> destination = adoptCF(CGImageDestinationCreateWithData(data.get(), kUTTypeTIFF, numValidFrames, 0)); 107 108 if (!destination) 109 return 0; 110 111 for (unsigned i = 0; i < numValidFrames; ++i) 112 CGImageDestinationAddImage(destination.get(), images[i], 0); 113 114 CGImageDestinationFinalize(destination.get()); 115 116 m_tiffRep = data; 117 return m_tiffRep.get(); 118} 119 120#if USE(APPKIT) 121NSImage* BitmapImage::getNSImage() 122{ 123 if (m_nsImage) 124 return m_nsImage.get(); 125 126 CFDataRef data = getTIFFRepresentation(); 127 if (!data) 128 return 0; 129 130 m_nsImage = adoptNS([[NSImage alloc] initWithData:(NSData*)data]); 131 return m_nsImage.get(); 132} 133#endif 134 135} 136