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128 lines
4.9 KiB
128 lines
4.9 KiB
/****************************************************************************
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Copyright (c) 2018-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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#include "platform/interfaces/modules/canvas/ICanvasRenderingContext2D.h"
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namespace cc {
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class CC_DLL CanvasGradient : public ICanvasGradient {
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public:
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CanvasGradient();
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~CanvasGradient() override; // NOLINT(performance-trivially-destructible)
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void addColorStop(float offset, const ccstd::string &color) override;
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};
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class CC_DLL CanvasRenderingContext2D : public ICanvasRenderingContext2D {
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public:
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CanvasRenderingContext2D(float width, float height);
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~CanvasRenderingContext2D() override;
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// Rect
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void rect(float x, float y, float width, float height) override;
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void clearRect(float x, float y, float width, float height) override;
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void fillRect(float x, float y, float width, float height) override;
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void fillText(const ccstd::string &text, float x, float y, float maxWidth) override;
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void strokeText(const ccstd::string &text, float x, float y, float maxWidth) override;
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Size measureText(const ccstd::string &text) override;
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ICanvasGradient *createLinearGradient(float x0, float y0, float x1, float y1) override;
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void save() override;
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// Paths
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void beginPath() override;
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void closePath() override;
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void moveTo(float x, float y) override;
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void lineTo(float x, float y) override;
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void fill() override;
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void stroke() override;
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void restore() override;
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// callback
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using CanvasBufferUpdatedCallback = std::function<void(const cc::Data &)>;
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void setCanvasBufferUpdatedCallback(const CanvasBufferUpdatedCallback &cb) override;
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void fetchData() override;
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// functions for properties
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void setWidth(float width) override;
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void setHeight(float height) override;
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void setLineWidth(float lineWidth) override;
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void setLineJoin(const ccstd::string &lineJoin) override;
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void setLineCap(const ccstd::string &lineCap) override;
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void setFont(const ccstd::string &font) override;
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void setTextAlign(const ccstd::string &textAlign) override;
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void setTextBaseline(const ccstd::string &textBaseline) override;
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void setFillStyle(const ccstd::string &fillStyle) override;
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void setStrokeStyle(const ccstd::string &strokeStyle) override;
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void setGlobalCompositeOperation(const ccstd::string &globalCompositeOperation) override;
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void setShadowBlur(float blur) override;
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void setShadowColor(const ccstd::string &shadowColor) override;
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void setShadowOffsetX(float offsetX) override;
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void setShadowOffsetY(float offsetY) override;
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// fill image data into Context2D
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void fillImageData(const Data &imageData, float imageWidth, float imageHeight, float offsetX, float offsetY) override;
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// transform
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void translate(float x, float y) override;
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void scale(float x, float y) override;
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void rotate(float angle) override;
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void transform(float a, float b, float c, float d, float e, float f) override;
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void setTransform(float a, float b, float c, float d, float e, float f) override;
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private:
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void recreateBufferIfNeeded() override;
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public:
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float _width = 0.0F;
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float _height = 0.0F;
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// Line styles
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float _lineWidth = 1.0F;
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ccstd::string _lineJoin = "miter";
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ccstd::string _lineCap = "butt";
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// Text styles
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ccstd::string _font = "10px sans-serif";
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ccstd::string _textAlign = "start";
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ccstd::string _textBaseline = "alphabetic";
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// Fill and stroke styles
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ccstd::string _fillStyle = "#000";
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ccstd::string _strokeStyle = "#000";
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// Compositing
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ccstd::string _globalCompositeOperation = "source-over";
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private:
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ICanvasRenderingContext2D::Delegate *_delegate;
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CanvasBufferUpdatedCallback _canvasBufferUpdatedCB = nullptr;
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bool _isBufferSizeDirty = true;
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};
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} // namespace cc
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