1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd.. All rights reserved. 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 SKIACANVAS_H 17 #define SKIACANVAS_H 18 19 #include "include/core/SkBitmap.h" 20 #include "include/core/SkCanvas.h" 21 #include "include/core/SkImage.h" 22 #include "include/core/SkMatrix.h" 23 #include "include/core/SkPaint.h" 24 #include "include/core/SkPicture.h" 25 #include "include/core/SkPoint3.h" 26 #include "include/core/SkRRect.h" 27 #include "include/utils/SkShadowUtils.h" 28 #include "skia_bitmap.h" 29 #include "skia_image.h" 30 #include "skia_matrix.h" 31 #include "skia_paint.h" 32 #include "skia_picture.h" 33 34 #include "impl_interface/core_canvas_impl.h" 35 #include "utils/log.h" 36 37 namespace OHOS { 38 namespace Rosen { 39 namespace Drawing { 40 class SkiaCanvas : public CoreCanvasImpl { 41 public: 42 static inline constexpr AdapterType TYPE = AdapterType::SKIA_ADAPTER; 43 SkiaCanvas(); SkiaCanvas(const std::shared_ptr<SkCanvas> & skCanvas)44 explicit SkiaCanvas(const std::shared_ptr<SkCanvas>& skCanvas) : skiaCanvas_(skCanvas) {} ~SkiaCanvas()45 ~SkiaCanvas() override {}; GetType()46 AdapterType GetType() const override 47 { 48 return AdapterType::SKIA_ADAPTER; 49 } 50 51 void Bind(const Bitmap& bitmap) override; 52 53 // shapes 54 void DrawPoint(const Point& point) override; 55 void DrawLine(const Point& startPt, const Point& endPt) override; 56 void DrawRect(const Rect& rect) override; 57 void DrawRoundRect(const RoundRect& roundRect) override; 58 void DrawNestedRoundRect(const RoundRect& outer, const RoundRect& inner) override; 59 void DrawArc(const Rect& oval, scalar startAngle, scalar sweepAngle) override; 60 void DrawPie(const Rect& oval, scalar startAngle, scalar sweepAngle) override; 61 void DrawOval(const Rect& oval) override; 62 void DrawCircle(const Point& centerPt, scalar radius) override; 63 void DrawPath(const Path& path) override; 64 void DrawBackground(const Brush& brush) override; 65 void DrawShadow(const Path& path, const Point3& planeParams, const Point3& devLightPos, scalar lightRadius, 66 Color ambientColor, Color spotColor, ShadowFlags flag) override; 67 68 // image 69 void DrawBitmap(const Bitmap& bitmap, const scalar px, const scalar py) override; 70 void DrawBitmap(Media::PixelMap& pixelMap, const scalar px, const scalar py) override; 71 void DrawImage(const Image& image, const scalar px, const scalar py, const SamplingOptions& sampling) override; 72 void DrawImageRect(const Image& image, const Rect& src, const Rect& dst, const SamplingOptions& sampling, 73 SrcRectConstraint constraint) override; 74 void DrawImageRect(const Image& image, const Rect& dst, const SamplingOptions& sampling) override; 75 void DrawPicture(const Picture& picture) override; 76 77 // clip 78 void ClipRect(const Rect& rect, ClipOp op) override; 79 void ClipRoundRect(const RoundRect& roundRect, ClipOp op) override; 80 void ClipPath(const Path& path, ClipOp op) override; 81 82 // transform 83 void SetMatrix(const Matrix& matrix) override; 84 void ResetMatrix() override; 85 void ConcatMatrix(const Matrix& matrix) override; 86 void Translate(scalar dx, scalar dy) override; 87 void Scale(scalar sx, scalar sy) override; 88 void Rotate(scalar deg) override; 89 void Rotate(scalar deg, scalar sx, scalar sy) override; 90 void Shear(scalar sx, scalar sy) override; 91 92 // state 93 void Flush() override; 94 void Clear(ColorQuad color) override; 95 void Save() override; 96 void SaveLayer(const Rect& rect, const Brush& brush) override; 97 void Restore() override; 98 99 // paint 100 void AttachPen(const Pen& pen) override; 101 void AttachBrush(const Brush& brush) override; 102 void DetachPen() override; 103 void DetachBrush() override; 104 105 SkCanvas* ExportSkCanvas() const; 106 107 private: 108 void RoundRectCastToSkRRect(const RoundRect& roundRect, SkRRect& skRRect) const; 109 std::shared_ptr<SkCanvas> skiaCanvas_; 110 SkiaPaint skiaPaint_; 111 }; 112 } // namespace Drawing 113 } // namespace Rosen 114 } // namespace OHOS 115 #endif 116