1/* 2 * Copyright (C) 2012 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. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "ColorSpaceData.h" 28 29#include "ArgumentCodersCF.h" 30#include "ArgumentDecoder.h" 31#include "ArgumentEncoder.h" 32 33namespace WebKit { 34 35enum EncodedDataType { 36 Null, 37 Name, 38 Data, 39}; 40 41void ColorSpaceData::encode(IPC::ArgumentEncoder& encoder) const 42{ 43#if !PLATFORM(IOS) 44 if (cgColorSpace) { 45 // Try to encode the name. 46 if (RetainPtr<CFStringRef> name = adoptCF(CGColorSpaceCopyName(cgColorSpace.get()))) { 47 encoder.encodeEnum(Name); 48 IPC::encode(encoder, name.get()); 49 return; 50 } 51 52 // Failing that, just encode the ICC data. 53 if (RetainPtr<CFDataRef> profileData = adoptCF(CGColorSpaceCopyICCProfile(cgColorSpace.get()))) { 54 encoder.encodeEnum(Data); 55 IPC::encode(encoder, profileData.get()); 56 return; 57 } 58 } 59#endif // !PLATFORM(IOS) 60 61 // The color space was null or failed to be encoded. 62 encoder.encodeEnum(Null); 63} 64 65bool ColorSpaceData::decode(IPC::ArgumentDecoder& decoder, ColorSpaceData& colorSpaceData) 66{ 67 EncodedDataType dataType; 68 if (!decoder.decodeEnum(dataType)) 69 return false; 70 71 switch (dataType) { 72 case Null: 73 colorSpaceData.cgColorSpace = nullptr; 74 return true; 75 case Name: { 76 RetainPtr<CFStringRef> name; 77 if (!IPC::decode(decoder, name)) 78 return false; 79 80 colorSpaceData.cgColorSpace = adoptCF(CGColorSpaceCreateWithName(name.get())); 81 return true; 82 } 83 case Data: { 84 RetainPtr<CFDataRef> data; 85 if (!IPC::decode(decoder, data)) 86 return false; 87 88 colorSpaceData.cgColorSpace = adoptCF(CGColorSpaceCreateWithICCProfile(data.get())); 89 return true; 90 } 91 92 default: 93 return false; 94 } 95} 96 97} // namespace WebKit 98