1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef RECORDING_CANVAS_H 17 #define RECORDING_CANVAS_H 18 19 #include "draw/canvas.h" 20 #include "recording/adaptive_image_helper.h" 21 #include "recording/draw_cmd_list.h" 22 23 namespace OHOS { 24 namespace Rosen { 25 namespace Drawing { 26 /* 27 * @brief RecordingCanvas is an empty canvas, which does not act on any surface, 28 * and is used to record the sequence of draw calls for the canvas. 29 * Draw calls are kept in linear memory in DrawCmdList, Subsequent playback can be performed through DrawCmdList. 30 */ 31 class RecordingCanvas : public Canvas { 32 public: 33 RecordingCanvas(int width, int height); 34 ~RecordingCanvas() override = default; 35 36 std::shared_ptr<DrawCmdList> GetDrawCmdList() const; 37 GetDrawingType()38 DrawingType GetDrawingType() const override 39 { 40 return DrawingType::RECORDING; 41 } 42 43 void DrawPoint(const Point& point) override; 44 void DrawLine(const Point& startPt, const Point& endPt) override; 45 void DrawRect(const Rect& rect) override; 46 void DrawRoundRect(const RoundRect& roundRect) override; 47 void DrawNestedRoundRect(const RoundRect& outer, const RoundRect& inner) override; 48 void DrawArc(const Rect& oval, scalar startAngle, scalar sweepAngle) override; 49 void DrawPie(const Rect& oval, scalar startAngle, scalar sweepAngle) override; 50 void DrawOval(const Rect& oval) override; 51 void DrawCircle(const Point& centerPt, scalar radius) override; 52 void DrawPath(const Path& path) override; 53 void DrawBackground(const Brush& brush) override; 54 void DrawShadow(const Path& path, const Point3& planeParams, const Point3& devLightPos, scalar lightRadius, 55 Color ambientColor, Color spotColor, ShadowFlags flag) override; 56 57 void DrawBitmap(const Bitmap& bitmap, const scalar px, const scalar py) override; 58 void DrawImage(const Image& image, const scalar px, const scalar py, const SamplingOptions& sampling) override; 59 void DrawImageRect(const Image& image, const Rect& src, const Rect& dst, const SamplingOptions& sampling, 60 SrcRectConstraint constraint = SrcRectConstraint::STRICT_SRC_RECT_CONSTRAINT) override; 61 void DrawImageRect(const Image& image, const Rect& dst, const SamplingOptions& sampling) override; 62 void DrawPicture(const Picture& picture) override; 63 64 void ClipRect(const Rect& rect, ClipOp op, bool doAntiAlias) override; 65 void ClipRoundRect(const RoundRect& roundRect, ClipOp op, bool doAntiAlias) override; 66 void ClipPath(const Path& path, ClipOp op, bool doAntiAlias) override; 67 68 void SetMatrix(const Matrix& matrix) override; 69 void ResetMatrix() override; 70 void ConcatMatrix(const Matrix& matrix) override; 71 void Translate(scalar dx, scalar dy) override; 72 void Scale(scalar sx, scalar sy) override; 73 void Rotate(scalar deg, scalar sx, scalar sy) override; 74 void Shear(scalar sx, scalar sy) override; 75 76 void Flush() override; 77 void Clear(ColorQuad color) override; 78 void Save() override; 79 void SaveLayer(const SaveLayerOps& saveLayerOps) override; 80 void Restore() override; 81 82 void ClipAdaptiveRoundRect(const std::vector<Point>& radius); 83 void DrawImage(const std::shared_ptr<Image>& image, const std::shared_ptr<Data>& data, 84 const AdaptiveImageInfo& rsImageInfo, const SamplingOptions& smapling); 85 void DrawPixelMap(const std::shared_ptr<Media::PixelMap>& pixelMap, 86 const AdaptiveImageInfo& rsImageInfo, const SamplingOptions& smapling); 87 88 CoreCanvas& AttachPen(const Pen& pen) override; 89 CoreCanvas& AttachBrush(const Brush& brush) override; 90 CoreCanvas& DetachPen() override; 91 CoreCanvas& DetachBrush() override; 92 93 private: 94 std::shared_ptr<DrawCmdList> cmdList_ = nullptr; 95 int saveCount_ = 0; 96 }; 97 } // namespace Drawing 98 } // namespace Rosen 99 } // namespace OHOS 100 #endif 101