1/* 2 * Copyright (C) 2013 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#ifndef PlatformCAFilters_h 27#define PlatformCAFilters_h 28 29#if ENABLE(CSS_FILTERS) 30 31#include "FilterOperations.h" 32#include "GraphicsTypes.h" 33#include "PlatformLayer.h" 34#include <wtf/RetainPtr.h> 35 36#if PLATFORM(IOS) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1080 37#define USE_CA_FILTERS 1 38#else 39#define USE_CA_FILTERS 0 40#endif 41 42OBJC_CLASS NSValue; 43 44namespace WebCore { 45 46class PlatformCALayer; 47 48class PlatformCAFilters { 49public: 50 static void setFiltersOnLayer(PlatformLayer*, const FilterOperations&); 51 static void setBlendingFiltersOnLayer(PlatformLayer*, const BlendMode); 52 static int numAnimatedFilterProperties(FilterOperation::OperationType); 53 static const char* animatedFilterPropertyName(FilterOperation::OperationType, int internalFilterPropertyIndex); 54 55#if PLATFORM(COCOA) 56 static RetainPtr<NSValue> filterValueForOperation(const FilterOperation*, int internalFilterPropertyIndex); 57#endif 58 59#ifdef USE_CA_FILTERS 60 // A null operation indicates that we should make a "no-op" filter of the given type. 61 static RetainPtr<NSValue> colorMatrixValueForFilter(FilterOperation::OperationType, const FilterOperation*); 62#endif 63}; 64 65} 66 67#endif // ENABLE(CSS_FILTERS) 68 69#endif // PlatformCAFilters_h 70