| /* |
| * Copyright (C) 2012 Apple Inc. All rights reserved. |
| * Copyright (C) 2014 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef RenderGeometryMapStep_h |
| #define RenderGeometryMapStep_h |
| |
| #include "platform/geometry/LayoutSize.h" |
| #include "platform/transforms/TransformationMatrix.h" |
| #include "wtf/OwnPtr.h" |
| |
| namespace blink { |
| |
| class RenderObject; |
| |
| // Stores data about how to map from one renderer to its container. |
| struct RenderGeometryMapStep { |
| RenderGeometryMapStep(const RenderGeometryMapStep& o) |
| : m_renderer(o.m_renderer) |
| , m_offset(o.m_offset) |
| , m_offsetForFixedPosition(o.m_offsetForFixedPosition) |
| , m_accumulatingTransform(o.m_accumulatingTransform) |
| , m_isNonUniform(o.m_isNonUniform) |
| , m_isFixedPosition(o.m_isFixedPosition) |
| , m_hasTransform(o.m_hasTransform) |
| { |
| ASSERT(!o.m_transform); |
| } |
| RenderGeometryMapStep(const RenderObject* renderer, bool accumulatingTransform, bool isNonUniform, bool isFixedPosition, bool hasTransform) |
| : m_renderer(renderer) |
| , m_accumulatingTransform(accumulatingTransform) |
| , m_isNonUniform(isNonUniform) |
| , m_isFixedPosition(isFixedPosition) |
| , m_hasTransform(hasTransform) |
| { |
| } |
| const RenderObject* m_renderer; |
| LayoutSize m_offset; |
| OwnPtr<TransformationMatrix> m_transform; // Includes offset if non-null. |
| LayoutSize m_offsetForFixedPosition; |
| bool m_accumulatingTransform; |
| bool m_isNonUniform; // Mapping depends on the input point, e.g. because of CSS columns. |
| bool m_isFixedPosition; |
| bool m_hasTransform; |
| }; |
| |
| } // namespace blink |
| |
| WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(blink::RenderGeometryMapStep); |
| |
| #endif // RenderGeometryMapStep_h |