1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. 4 * All rights reserved. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 * 21 */ 22 23 #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_RESOLVER_FILTER_OPERATION_RESOLVER_H_ 24 #define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_RESOLVER_FILTER_OPERATION_RESOLVER_H_ 25 26 #include "third_party/blink/renderer/core/css/css_to_length_conversion_data.h" 27 #include "third_party/blink/renderer/core/css_value_keywords.h" 28 #include "third_party/blink/renderer/core/style/filter_operations.h" 29 #include "third_party/blink/renderer/platform/heap/handle.h" 30 31 namespace blink { 32 33 class CSSFunctionValue; 34 class CSSValue; 35 class StyleResolverState; 36 37 class CORE_EXPORT FilterOperationResolver { 38 STATIC_ONLY(FilterOperationResolver); 39 40 public: 41 static FilterOperation::OperationType FilterOperationForType(CSSValueID); 42 static FilterOperations CreateFilterOperations(StyleResolverState&, 43 const CSSValue&); 44 static FilterOperations CreateOffscreenFilterOperations(const CSSValue&, 45 const Font&); 46 static double ResolveNumericArgumentForFunction( 47 const CSSFunctionValue& filter); 48 }; 49 50 } // namespace blink 51 52 #endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_RESOLVER_FILTER_OPERATION_RESOLVER_H_ 53