mirror of
https://github.com/openharmony/graphic_ui.git
synced 2026-07-01 22:24:03 -04:00
mamingshuai
46 lines
1.3 KiB
C++
Executable File
46 lines
1.3 KiB
C++
Executable File
/*
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef GRAPHIC_LITE_DRAW_TRIANGLE_H
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#define GRAPHIC_LITE_DRAW_TRIANGLE_H
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#include "color.h"
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#include "geometry2d.h"
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namespace OHOS {
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class DrawTriangle : public HeapBase {
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public:
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static void Draw(const Point* points, uint8_t count, const Rect& mask, const ColorType& color, OpacityType opa);
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struct Edge {
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Point curPoint;
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Point dPoint;
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Point uPoint;
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int16_t eps;
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};
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static void SortVertexs(Point& p1, Point& p2, Point& p3);
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static void SortPoint(Point& p1, Point& p2);
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static void StepToNextPointOnEdge(Edge& edge);
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static Edge InitEdge(const Point& startP, const Point& endP);
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private:
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static constexpr uint8_t VERTEX_NUM = 3;
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};
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} // namespace OHOS
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#endif // GRAPHIC_LITE_DRAW_TRIANGLE_H
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