/* * Copyright (c) 2020-2021 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef GRAPHIC_LITE_DRAW_ARC_H #define GRAPHIC_LITE_DRAW_ARC_H #include "common/image.h" #include "draw_image.h" #include "draw_utils.h" #include "gfx_utils/graphic_math.h" #include "gfx_utils/heap_base.h" #include "imgdecode/cache_manager.h" #include "gfx_utils/style.h" namespace OHOS { class DrawArc : public HeapBase { public: static DrawArc* GetInstance(); void GetDrawRange(int16_t& start, int16_t& end); void Draw(BufferInfo& gfxDstBuffer, ArcInfo& arcInfo, const Rect& mask, const Style& style, uint8_t opaScale, uint8_t cap); private: static constexpr uint8_t DRAW_ARC_QUADRANT_NUM = 4; static constexpr uint8_t ARC_QUADRANT_ONE = 0; static constexpr uint8_t ARC_QUADRANT_TWO = 1; static constexpr uint8_t ARC_QUADRANT_THREE = 2; static constexpr uint8_t ARC_QUADRANT_FOUR = 3; static constexpr int16_t IN_DEGREE_RANG = 0; static constexpr int16_t OUT_DEGREE_RANG = 1; static constexpr int16_t INTERSECT = 2; static constexpr int16_t DOUBLE_INTERSECT = 3; int16_t lineStart_; int16_t lineEnd_; int16_t outAntiStart_; int16_t outAntiEnd_; int16_t inAntiStart_; int16_t inAntiEnd_; int16_t y_; int16_t outRadius_; int16_t inRadius_; uint32_t ySqr_; uint32_t outRadiusSqr_; uint32_t inRadiusSqr_; bool isCircle_; uint32_t antiOutRadiusSqr_; uint32_t antiInRadiusSqr_; DrawArc() : lineStart_(0), lineEnd_(0), outAntiStart_(0), outAntiEnd_(0), inAntiStart_(0), inAntiEnd_(0), y_(0), outRadius_(0), inRadius_(0), ySqr_(0), outRadiusSqr_(0), inRadiusSqr_(0), isCircle_(false), antiOutRadiusSqr_(0), antiInRadiusSqr_(0) { } ~DrawArc() {} void DrawVerLine(BufferInfo& gfxDstBuffer, const Point& begin, const Point& imgPos, const Rect& mask, int16_t len, const Style& style, uint8_t opaScale, const Image* imgSrc); void DrawHorLine(BufferInfo& gfxDstBuffer, const Point& begin, const Point& imgPos, const Rect& mask, int16_t len, const Style& style, uint8_t opaScale, const Image* imgSrc); void DrawImg(BufferInfo& gfxDstBuffer, const Point& imgPos, Rect& area, const Rect& invalidatedArea, const Style& style, uint8_t opaScale, const Image* imgSrc); int16_t GetDegreeRangeIntersectState(uint16_t degreeStart, uint16_t degreeEnd, uint16_t start, uint16_t end); uint16_t CalculateTanDegree(uint16_t x, uint16_t y); int16_t GetDrawAngle(int16_t angle); void DrawCircleNoEndpoint(BufferInfo& gfxDstBuffer, ArcInfo& arcInfo, const Rect& mask, const Style& style, uint8_t opa, bool anti); void DrawAxisLine(BufferInfo& gfxDstBuffer, ArcInfo& arcInfo, const Rect& mask, const Style& style, uint8_t opa); void DrawLineWithDegree(BufferInfo& gfxDstBuffer, ArcInfo& arcInfo, int16_t start, int16_t end, int16_t y, const Rect& mask, const Style& style, uint8_t opaScale, uint8_t quadrant); int16_t DrawLineWithDegreeInner(BufferInfo& gfxDstBuffer, ArcInfo& arcInfo, int16_t start, int16_t end, int16_t y, const Rect& mask, const Style& style, uint8_t opaScale, uint8_t quadrant); #if ENABLE_ANTIALIAS void DrawLineAnti(BufferInfo& gfxDstBuffer, ArcInfo& arcInfo, const Rect& mask, const Style& style, uint8_t opa); void DrawPointAnti(BufferInfo& gfxDstBuffer, ArcInfo& arcInfo, int16_t x, const Rect& mask, const Style& style, uint8_t antiOpa); #endif uint16_t GetDegreeInQuadrant(uint16_t degree, uint8_t quadrant); void SetArcInfo(ArcInfo& arcInfo, const Style& style); }; } // namespace OHOS #endif // GRAPHIC_LITE_DRAW_ARC_H