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/**
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* Back 2 Browser Bytecode Translator Copyright (C) 2012 Jaroslav Tulach
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* <jaroslav.tulach@apidesign.org>
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*
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. Look for COPYING file in the top folder. If not, see
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* http://opensource.org/licenses/GPL-2.0.
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*/
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package net.java.html.canvas.spi;
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import net.java.html.canvas.Dimension;
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import net.java.html.canvas.Image;
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import net.java.html.canvas.ImageData;
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import net.java.html.canvas.Style;
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/**
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* Provider API for Canvas. Implement this to add support for your platform.
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*
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* @author antonepple
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*/
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public interface GraphicsEnvironment {
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public void arc(double centerX,
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double centerY,
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double startAngle,
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double radius,
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double endAngle,
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boolean ccw);
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public void arcTo(double x1,
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double y1,
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double x2,
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double y2,
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double r);
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public boolean isPointInPath(double x, double y);
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public void fill();
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public void stroke();
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public void beginPath();
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public void closePath();
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public void clip();
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public void moveTo(double x, double y);
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public void lineTo(double x, double y);
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public void quadraticCurveTo(double cpx, double cpy, double x, double y);
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public void bezierCurveTo(double cp1x, double cp1y, double cp2x, double cp2y, double x, double y);
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public void fillRect(double x, double y, double width, double height);
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public void strokeRect(double x, double y, double width, double height);
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public void clearRect(double x, double y, double width, double height);
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public void rect(double x, double y, double width, double height);
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public void save();
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public void restore();
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public void rotate(double angle);
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public void transform(double a, double b, double c, double d, double e, double f);
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public void setTransform(double a, double b, double c, double d, double e, double f);
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public void translate(double x, double y);
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public void scale(double x, double y);
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public Object drawImage(Image image, double x, double y, Object nativeImage);
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public Object drawImage(Image image, double x, double y, double width, double height, Object nativeImage);
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public Object drawImage(Image image, double sx, double sy, double sWidth, double sHeight, double x, double y, double width, double height, Object nativeImage);
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/**
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* When implementing you can return an Object of your choice to enable
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* caching. Returning null means no caching. When caching is enabled, and
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* the cache hasn't been invalidated, the Object you returned will be passed
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* as a parameter.
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*
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* @param style The style object you should use to create your native style
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* @param nativeStyle your native object if cached, null otherwise
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* @return return native Object for caching
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*
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*/
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public Object setFillStyle(Style style, Object nativeStyle);
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/**
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* When implementing you can return an Object of your choice to enable
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* caching. Returning null means no caching. When caching is enabled, and
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* the cache hasn't been invalidated, the Object you returned will be passed
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* as a parameter.
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*
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* @param style The style object you should use to create your native style
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* @param nativeStyle your native object if cached, null otherwise
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* @return return native Object for caching
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*
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*/
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public Object setStrokeStyle(Style style, Object nativeStyle);
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public void setShadowColor(String color);
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public void setShadowBlur(double blur);
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public void setShadowOffsetX(double x);
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public void setShadowOffsetY(double y);
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public String getShadowColor();
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public double getShadowBlur();
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public double getShadowOffsetX();
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public double getShadowOffsetY();
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public String getLineCap();
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public void setLineCap(String style);
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public String getLineJoin();
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public void setLineJoin(String style);
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public double getLineWidth();
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public void setLineWidth(double width);
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public double getMiterLimit();
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public void setMiterLimit(double limit);
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public String getFont();
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public void setFont(String font);
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public String getTextAlign();
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public void setTextAlign(String textAlign);
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public String getTextBaseline();
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public void setTextBaseline(String textbaseline);
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public void fillText(String text, double x, double y);
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public void fillText(String text, double x, double y, double maxWidth);
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public Dimension measureText(String text);
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public void strokeText(String text, double x, double y);
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public void strokeText(String text, double x, double y, double maxWidth);
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public ImageData createPixelMap(double x, double y);
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public ImageData createPixelMap(ImageData imageData);
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public ImageData getPixelMap(double x, double y, double width, double height);
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public void putPixelMap(ImageData imageData, double x, double y);
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public void putPixelMap(ImageData imageData, double x, double y, double dirtyx, double dirtyy, double dirtywidth, double dirtyheight);
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public void setGlobalAlpha(double alpha);
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public double getGlobalAlpha();
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public void setGlobalCompositeOperation(String operation);
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public String getGlobalCompositeOperation();
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public int getHeight();
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public int getWidth();
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public void setHeight(int height);
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public void setWidth(int width);
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}
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