mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
71 lines
2.9 KiB
C++
71 lines
2.9 KiB
C++
/*
|
|
* 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 SKY_ENGINE_CORE_RENDERING_RENDERGEOMETRYMAPSTEP_H_
|
|
#define SKY_ENGINE_CORE_RENDERING_RENDERGEOMETRYMAPSTEP_H_
|
|
|
|
#include "flutter/sky/engine/platform/geometry/LayoutSize.h"
|
|
#include "flutter/sky/engine/platform/transforms/TransformationMatrix.h"
|
|
#include "flutter/sky/engine/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_accumulatingTransform(o.m_accumulatingTransform),
|
|
m_isNonUniform(o.m_isNonUniform),
|
|
m_hasTransform(o.m_hasTransform) {
|
|
ASSERT(!o.m_transform);
|
|
}
|
|
RenderGeometryMapStep(const RenderObject* renderer,
|
|
bool accumulatingTransform,
|
|
bool isNonUniform,
|
|
bool hasTransform)
|
|
: m_renderer(renderer),
|
|
m_accumulatingTransform(accumulatingTransform),
|
|
m_isNonUniform(isNonUniform),
|
|
m_hasTransform(hasTransform) {}
|
|
const RenderObject* m_renderer;
|
|
LayoutSize m_offset;
|
|
OwnPtr<TransformationMatrix> m_transform; // Includes offset if non-null.
|
|
bool m_accumulatingTransform;
|
|
bool m_isNonUniform; // Mapping depends on the input point, e.g. because of
|
|
// CSS columns.
|
|
bool m_hasTransform;
|
|
};
|
|
|
|
} // namespace blink
|
|
|
|
WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(
|
|
blink::RenderGeometryMapStep);
|
|
|
|
#endif // SKY_ENGINE_CORE_RENDERING_RENDERGEOMETRYMAPSTEP_H_
|