1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/HTML5GraphicsEnvironment.java	Thu May 23 15:33:14 2013 +0200
     1.3 @@ -0,0 +1,467 @@
     1.4 +/**
     1.5 + * Back 2 Browser Bytecode Translator Copyright (C) 2012 Jaroslav Tulach
     1.6 + * <jaroslav.tulach@apidesign.org>
     1.7 + *
     1.8 + * This program is free software: you can redistribute it and/or modify it under
     1.9 + * the terms of the GNU General Public License as published by the Free Software
    1.10 + * Foundation, version 2 of the License.
    1.11 + *
    1.12 + * This program is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    1.14 + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
    1.15 + * details.
    1.16 + *
    1.17 + * You should have received a copy of the GNU General Public License along with
    1.18 + * this program. Look for COPYING file in the top folder. If not, see
    1.19 + * http://opensource.org/licenses/GPL-2.0.
    1.20 + */
    1.21 +package org.apidesign.bck2brwsr.htmlpage;
    1.22 +
    1.23 +import java.awt.Dimension;
    1.24 +import java.util.HashMap;
    1.25 +import java.util.Set;
    1.26 +import net.java.html.canvas.GraphicsEnvironment;
    1.27 +import net.java.html.canvas.ImageData;
    1.28 +import net.java.html.canvas.LinearGradient;
    1.29 +import net.java.html.canvas.Pattern;
    1.30 +import net.java.html.canvas.RadialGradient;
    1.31 +import net.java.html.canvas.Style;
    1.32 +import org.apidesign.bck2brwsr.core.JavaScriptBody;
    1.33 +import org.apidesign.bck2brwsr.htmlpage.api.Canvas;
    1.34 +import org.apidesign.bck2brwsr.htmlpage.api.Element;
    1.35 +import org.apidesign.bck2brwsr.htmlpage.api.Image;
    1.36 +
    1.37 +/**
    1.38 + *
    1.39 + * @author Anton Epple <toni.epple@eppleton.de>
    1.40 + */
    1.41 +public class HTML5GraphicsEnvironment implements GraphicsEnvironment {
    1.42 +
    1.43 +    Object context;
    1.44 +    Canvas canvas;
    1.45 +   public  HTML5GraphicsEnvironment(Object contextImpl, Canvas canvas) {
    1.46 +        this.context = contextImpl;
    1.47 +        this.canvas = canvas;
    1.48 +    }
    1.49 +
    1.50 +    @JavaScriptBody(args = {"centerx", "centery", "radius", "startangle", "endangle", "ccw"},
    1.51 +            body = "this._context().arc(centerx,centery, radius, startangle, endangle,ccw);")
    1.52 +    @Override
    1.53 +    public native void arc(double centerX,
    1.54 +            double centerY,
    1.55 +            double startAngle,
    1.56 +            double radius,
    1.57 +            double endAngle,
    1.58 +            boolean ccw);
    1.59 +
    1.60 +    @JavaScriptBody(args = {"x1", "y1", "x2", "y2", "r"},
    1.61 +            body = "this._context().arcTo(x1,y1,x2,y2,r);")
    1.62 +    @Override
    1.63 +    public native void arcTo(double x1,
    1.64 +            double y1,
    1.65 +            double x2,
    1.66 +            double y2,
    1.67 +            double r);
    1.68 +
    1.69 +    @JavaScriptBody(args = {"x", "y"},
    1.70 +            body = "return this._context().isPointInPath(x,y);")
    1.71 +    @Override
    1.72 +    public native boolean isPointInPath(double x, double y);
    1.73 +
    1.74 +    @JavaScriptBody(args = {}, body = "this._context().fill();")
    1.75 +    @Override
    1.76 +    public native void fill();
    1.77 +
    1.78 +    @JavaScriptBody(args = {}, body = "this._context().stroke();")
    1.79 +    @Override
    1.80 +    public native void stroke();
    1.81 +
    1.82 +    @JavaScriptBody(args = {}, body = "this._context().beginPath();")
    1.83 +    @Override
    1.84 +    public native void beginPath();
    1.85 +
    1.86 +    @JavaScriptBody(args = {}, body = "this._context().closePath();")
    1.87 +    @Override
    1.88 +    public native void closePath();
    1.89 +
    1.90 +    @JavaScriptBody(args = {}, body = "this._context().clip();")
    1.91 +    @Override
    1.92 +    public native void clip();
    1.93 +
    1.94 +    @JavaScriptBody(args = {"x", "y"}, body = "this._context().moveTo(x,y);")
    1.95 +    @Override
    1.96 +    public native void moveTo(double x, double y);
    1.97 +
    1.98 +    @JavaScriptBody(args = {"x", "y"}, body = "this._context().lineTo(x,y);")
    1.99 +    @Override
   1.100 +    public native void lineTo(double x, double y);
   1.101 +
   1.102 +    @JavaScriptBody(args = {"cpx", "cpy", "x", "y"}, body = "this._context().quadraticCurveTo(cpx,cpy,x,y);")
   1.103 +    @Override
   1.104 +    public native void quadraticCurveTo(double cpx, double cpy, double x, double y);
   1.105 +
   1.106 +    @JavaScriptBody(args = {"cp1x", "cp1y", "cp2x", "cp2y", "x", "y"},
   1.107 +            body = "this._context().bezierCurveTo(cp1x,cp1y,cp2x,cp2y,x,y);")
   1.108 +    @Override
   1.109 +    public native void bezierCurveTo(double cp1x, double cp1y, double cp2x, double cp2y, double x, double y);
   1.110 +
   1.111 +    @JavaScriptBody(args = {"x", "y", "width", "height"}, body = "this._context().fillRect(x,y,width,height);")
   1.112 +    @Override
   1.113 +    public native void fillRect(double x, double y, double width, double height);
   1.114 +
   1.115 +    @JavaScriptBody(args = {"x", "y", "width", "height"}, body = "this._context().strokeRect(x,y,width,height);")
   1.116 +    @Override
   1.117 +    public native void strokeRect(double x, double y, double width, double height);
   1.118 +
   1.119 +    @JavaScriptBody(args = {"x", "y", "width", "height"}, body = "this._context().clearRect(x,y,width,height);")
   1.120 +    @Override
   1.121 +    public native void clearRect(double x, double y, double width, double height);
   1.122 +
   1.123 +    @JavaScriptBody(args = {"x", "y", "width", "height"}, body = "this._context().rectect(x,y,width,height);")
   1.124 +    @Override
   1.125 +    public native void rect(double x, double y, double width, double height);
   1.126 +
   1.127 +    @JavaScriptBody(args = {}, body = "this._context().save();")
   1.128 +    @Override
   1.129 +    public native void save();
   1.130 +
   1.131 +    @JavaScriptBody(args = {}, body = "this._context().restore();")
   1.132 +    @Override
   1.133 +    public native void restore();
   1.134 +
   1.135 +    @JavaScriptBody(args = {"angle"}, body = "this._context().rotate(angle);")
   1.136 +    @Override
   1.137 +    public native void rotate(double angle);
   1.138 +
   1.139 +    @JavaScriptBody(args = {"a", "b", "c", "d", "e", "f"}, body = "this._context().transform(a,b,c,d,e,f);")
   1.140 +    @Override
   1.141 +    public native void transform(double a, double b, double c, double d, double e, double f);
   1.142 +
   1.143 +    @JavaScriptBody(args = {"a", "b", "c", "d", "e", "f"}, body = "this._context().setTransform(a,b,c,d,e,f);")
   1.144 +    @Override
   1.145 +    public native void setTransform(double a, double b, double c, double d, double e, double f);
   1.146 +
   1.147 +    @JavaScriptBody(args = {"x", "y"}, body = "this._context().translate(x,y);")
   1.148 +    @Override
   1.149 +    public native void translate(double x, double y);
   1.150 +
   1.151 +    @JavaScriptBody(args = {"x", "y"}, body = "this._context().scale(x,y);")
   1.152 +    @Override
   1.153 +    public native void scale(double x, double y);
   1.154 +
   1.155 +    @Override
   1.156 +    public void drawImage(ImageData image, double x, double y) {
   1.157 +        drawImageImpl(context, Element.getElementById((Image) image), x, y);
   1.158 +    }
   1.159 +
   1.160 +    @Override
   1.161 +    public void drawImage(ImageData image, double x, double y, double width, double height) {
   1.162 +        drawImageImpl(context, Element.getElementById((Image) image), x, y, width, height);
   1.163 +    }
   1.164 +
   1.165 +    @Override
   1.166 +    public void drawImage(ImageData image, double sx, double sy, double sWidth, double sHeight, double x, double y, double width, double height) {
   1.167 +        drawImageImpl(context, Element.getElementById((Image) image), sx, sy, sWidth, sHeight, x, y, width, height);
   1.168 +    }
   1.169 +
   1.170 +    @JavaScriptBody(args = {"ctx", "img", "x", "y", "width", "height"}, body = "ctx.drawImage(img,x,y,width,height);")
   1.171 +    private native static void drawImageImpl(Object ctx, Object img, double x, double y, double width, double height);
   1.172 +
   1.173 +    @JavaScriptBody(args = {"ctx", "img", "sx", "sy", "swidth", "sheight", "x", "y", "width", "height"}, body = "ctx.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);")
   1.174 +    private native static void drawImageImpl(Object ctx, Object img, double sx, double sy, double sWidth, double sHeight, double x, double y, double width, double height);
   1.175 +
   1.176 +    @JavaScriptBody(args = {"ctx", "img", "x", "y"}, body = "ctx.drawImage(img,x,y);")
   1.177 +    private native static void drawImageImpl(Object ctx, Object img, double x, double y);
   1.178 +
   1.179 +    @JavaScriptBody(args = {"style"}, body = "this._context().fillStyle=style.valueOf();")
   1.180 +    @Override
   1.181 +    public native void setFillStyle(String style);
   1.182 +
   1.183 +    @JavaScriptBody(args = {}, body = "return this._context().fillStyle;")
   1.184 +    @Override
   1.185 +    public native String getFillStyle();
   1.186 +
   1.187 +    @Override
   1.188 +    public void setFillStyle(Style style) {
   1.189 +        setFillStyleImpl(context, createFillStyle(style));
   1.190 +    }
   1.191 +
   1.192 +    private Object createFillStyle(Style style) {
   1.193 +        if (style instanceof RadialGradient) {
   1.194 +            RadialGradientWrapper gradient = createRadialGradientWrapper(
   1.195 +                    ((RadialGradient) style).getX0(),
   1.196 +                    ((RadialGradient) style).getY0(),
   1.197 +                    ((RadialGradient) style).getR0(),
   1.198 +                    ((RadialGradient) style).getX1(),
   1.199 +                    ((RadialGradient) style).getY1(),
   1.200 +                    ((RadialGradient) style).getR1());
   1.201 +            HashMap<Double, String> stops = ((LinearGradient) style).getStops();
   1.202 +            Set<Double> keySet = stops.keySet();
   1.203 +            for (Double double1 : keySet) {
   1.204 +                addColorStopImpl(style, double1, stops.get(double1));
   1.205 +            }
   1.206 +            return gradient;
   1.207 +
   1.208 +
   1.209 +        } else if (style instanceof LinearGradient) {
   1.210 +            LinearGradientWrapper gradient = createLinearGradientWrapper(
   1.211 +                    ((LinearGradient) style).getX0(),
   1.212 +                    ((LinearGradient) style).getY0(),
   1.213 +                    ((LinearGradient) style).getX1(),
   1.214 +                    ((LinearGradient) style).getY1());
   1.215 +            HashMap<Double, String> stops = ((LinearGradient) style).getStops();
   1.216 +            Set<Double> keySet = stops.keySet();
   1.217 +            for (Double double1 : keySet) {
   1.218 +                addColorStopImpl(style, double1, stops.get(double1));
   1.219 +            }
   1.220 +            return gradient;
   1.221 +        } else if (style instanceof Pattern) {
   1.222 +            return createPatternWrapper(((Pattern) style).getImageData(), ((Pattern) style).getRepeat());
   1.223 +        }
   1.224 +        return null;
   1.225 +    }
   1.226 +
   1.227 +
   1.228 +    @JavaScriptBody(args = {"gradient", "position", "color"}, body =
   1.229 +            "gradient.addColorStop(position,color)")
   1.230 +    private static native void addColorStopImpl(Object gradient, double position, String color);
   1.231 +
   1.232 +    @JavaScriptBody(args = {"context", "obj"}, body = "context.fillStyle=obj;")
   1.233 +    private native void setFillStyleImpl(Object context, Object obj);
   1.234 +
   1.235 +    @JavaScriptBody(args = {"style"}, body = "this._context().strokeStyle=style.valueOf();")
   1.236 +    @Override
   1.237 +    public native void setStrokeStyle(String style);
   1.238 +
   1.239 +    @Override
   1.240 +    public void setStrokeStyle(Style style) {
   1.241 +        setStrokeStyleImpl(context, createFillStyle(style));
   1.242 +    }
   1.243 +
   1.244 +    @JavaScriptBody(args = {"context", "obj"}, body = "context.strokeStyle=obj;")
   1.245 +    private native void setStrokeStyleImpl(Object context, Object obj);
   1.246 +
   1.247 +    @JavaScriptBody(args = {"color"}, body = "this._context().shadowColor=color.valueOf();")
   1.248 +    @Override
   1.249 +    public native void setShadowColor(String color);
   1.250 +
   1.251 +    @JavaScriptBody(args = {"blur"}, body = "this._context().shadowBlur=blur;")
   1.252 +    @Override
   1.253 +    public native void setShadowBlur(double blur);
   1.254 +
   1.255 +    @JavaScriptBody(args = {"x"}, body = "this._context().shadowOffsetX=x;")
   1.256 +    @Override
   1.257 +    public native void setShadowOffsetX(double x);
   1.258 +
   1.259 +    @JavaScriptBody(args = {"y"}, body = "this._context().shadowOffsetY=y;")
   1.260 +    @Override
   1.261 +    public native void setShadowOffsetY(double y);
   1.262 +
   1.263 +    @JavaScriptBody(args = {}, body = "return this._context().strokeStyle;")
   1.264 +    @Override
   1.265 +    public native String getStrokeStyle();
   1.266 +
   1.267 +    @JavaScriptBody(args = {}, body = "return this._context().shadowColor;")
   1.268 +    @Override
   1.269 +    public native String getShadowColor();
   1.270 +
   1.271 +    @JavaScriptBody(args = {}, body = "return this._context().shadowBlur;")
   1.272 +    @Override
   1.273 +    public native double getShadowBlur();
   1.274 +
   1.275 +    @JavaScriptBody(args = {}, body = "return this._context().shadowOffsetX;")
   1.276 +    @Override
   1.277 +    public native double getShadowOffsetX();
   1.278 +
   1.279 +    @JavaScriptBody(args = {}, body = "return this._context().shadowOffsetY;")
   1.280 +    @Override
   1.281 +    public native double getShadowOffsetY();
   1.282 +
   1.283 +    @JavaScriptBody(args = {}, body = "return this._context().lineCap;")
   1.284 +    @Override
   1.285 +    public native String getLineCap();
   1.286 +
   1.287 +    @JavaScriptBody(args = {"style"}, body = "this._context().lineCap=style.valueOf();")
   1.288 +    @Override
   1.289 +    public native void setLineCap(String style);
   1.290 +
   1.291 +    @JavaScriptBody(args = {}, body = "return this._context().lineJoin;")
   1.292 +    @Override
   1.293 +    public native String getLineJoin();
   1.294 +
   1.295 +    @JavaScriptBody(args = {"style"}, body = "this._context().lineJoin=style.valueOf();")
   1.296 +    @Override
   1.297 +    public native void setLineJoin(String style);
   1.298 +
   1.299 +    @JavaScriptBody(args = {}, body = "return this._context().lineWidth;")
   1.300 +    @Override
   1.301 +    public native double getLineWidth();
   1.302 +
   1.303 +    @JavaScriptBody(args = {"width"}, body = "this._context().lineWidth=width;")
   1.304 +    @Override
   1.305 +    public native void setLineWidth(double width);
   1.306 +
   1.307 +    @JavaScriptBody(args = {}, body = "return this._context().miterLimit;")
   1.308 +    @Override
   1.309 +    public native double getMiterLimit();
   1.310 +
   1.311 +    @JavaScriptBody(args = {"limit"}, body = "this._context().miterLimit=limit;")
   1.312 +    @Override
   1.313 +    public native void setMiterLimit(double limit);
   1.314 +
   1.315 +    @JavaScriptBody(args = {}, body = "return this._context().font;")
   1.316 +    @Override
   1.317 +    public native String getFont();
   1.318 +
   1.319 +    @JavaScriptBody(args = {"font"}, body = "this._context().font=font.valueOf();")
   1.320 +    @Override
   1.321 +    public native void setFont(String font);
   1.322 +
   1.323 +    @JavaScriptBody(args = {}, body = "return this._context().textAlign;")
   1.324 +    @Override
   1.325 +    public native String getTextAlign();
   1.326 +
   1.327 +    @JavaScriptBody(args = {"textalign"}, body = "this._context().textAlign=textalign.valueOf();")
   1.328 +    @Override
   1.329 +    public native void setTextAlign(String textAlign);
   1.330 +
   1.331 +    @JavaScriptBody(args = {}, body = "return this._context().textBaseline;")
   1.332 +    @Override
   1.333 +    public native String getTextBaseline();
   1.334 +
   1.335 +    @JavaScriptBody(args = {"textbaseline"}, body = "this._context().textBaseline=textbaseline.valueOf();")
   1.336 +    @Override
   1.337 +    public native void setTextBaseline(String textbaseline);
   1.338 +
   1.339 +    @JavaScriptBody(args = {"text", "x", "y"}, body = "this._context().fillText(text,x,y);")
   1.340 +    @Override
   1.341 +    public native void fillText(String text, double x, double y);
   1.342 +
   1.343 +    @JavaScriptBody(args = {"text", "x", "y", "maxwidth"}, body = "this._context().fillText(text,x,y,maxwidth);")
   1.344 +    @Override
   1.345 +    public void fillText(String text, double x, double y, double maxWidth) {
   1.346 +    }
   1.347 +
   1.348 +    @Override
   1.349 +    public Dimension measureText(String text) {
   1.350 +        TextMetrics textMetrics = new TextMetrics(measureTextImpl(text));
   1.351 +        return new Dimension((int) textMetrics.getWidth(), (int) textMetrics.getHeight());
   1.352 +    }
   1.353 +
   1.354 +    @JavaScriptBody(args = {"text"},
   1.355 +            body = "return this._context().measureText(text);")
   1.356 +    private native Object measureTextImpl(String text);
   1.357 +
   1.358 +    @JavaScriptBody(args = {"text", "x", "y"}, body = "this._context().strokeText(text,x,y);")
   1.359 +    @Override
   1.360 +    public native void strokeText(String text, double x, double y);
   1.361 +
   1.362 +    @JavaScriptBody(args = {"text", "x", "y", "maxWidth"}, body = "this._context().strokeText(text,x,y,maxWidth);")
   1.363 +    @Override
   1.364 +    public native void strokeText(String text, double x, double y, double maxWidth);
   1.365 +
   1.366 +//    @Override
   1.367 +//    public ImageData createImageData(double x, double y) {
   1.368 +//        return new ImageDataWrapper(createImageDataImpl(x, y));
   1.369 +//    }
   1.370 +//
   1.371 +//    @JavaScriptBody(args = {"x", "y"},
   1.372 +//            body = "return this._context().createImageData(x,y);")
   1.373 +//    private native Object createImageDataImpl(double x, double y);
   1.374 +//
   1.375 +//    @Override
   1.376 +//    public ImageData createImageData(ImageData imageData) {
   1.377 +//        return new ImageDataWrapper(createImageDataImpl(imageData.getWidth(), imageData.getHeight()));
   1.378 +//    }
   1.379 +//
   1.380 +//    @Override
   1.381 +//    public ImageData getImageData(double x, double y, double width, double height) {
   1.382 +//        return new ImageDataWrapper(getImageDataImpl(x, y, width, height));
   1.383 +//    }
   1.384 +
   1.385 +    @JavaScriptBody(args = {"x", "y", "width", "height"},
   1.386 +            body = "return this._context().getImageData(x,y,width,height);")
   1.387 +    private native Object getImageDataImpl(double x, double y, double width, double height);
   1.388 +
   1.389 +//    @Override
   1.390 +//    public void putImageData(ImageData imageData, double x, double y) {
   1.391 +//        putImageDataImpl(((ImageDataWrapper) imageData).object(), x, y);
   1.392 +//    }
   1.393 +//
   1.394 +//    @JavaScriptBody(args = {"imageData", "x", "y"},
   1.395 +//            body = "this._context().putImageData(imageData,x,y);")
   1.396 +//    private native void putImageDataImpl(Object imageData, double x, double y);
   1.397 +//
   1.398 +//    @Override
   1.399 +//    public void putImageData(ImageData imageData, double x, double y, double dirtyx, double dirtyy, double dirtywidth, double dirtyheight) {
   1.400 +//        putImageDataImpl(((ImageDataWrapper) imageData).object(), x, y, dirtyx, dirtyy, dirtywidth, dirtyheight);
   1.401 +//    }
   1.402 +
   1.403 +    @JavaScriptBody(args = {"imageData", "x", "y", "dirtyx", "dirtyy", "dirtywidth", "dirtyheight"},
   1.404 +            body = "this._context().putImageData(imageData,x,y, dirtyx, dirtyy, dirtywidth,dirtyheight);")
   1.405 +    private native void putImageDataImpl(Object imageData, double x, double y, double dirtyx, double dirtyy, double dirtywidth, double dirtyheight);
   1.406 +
   1.407 +    @JavaScriptBody(args = {"alpha"}, body = "this._context().globalAlpha=alpha;")
   1.408 +    @Override
   1.409 +    public native void setGlobalAlpha(double alpha);
   1.410 +
   1.411 +    @JavaScriptBody(args = {}, body = "return this._context().globalAlpha;")
   1.412 +    @Override
   1.413 +    public native double getGlobalAlpha();
   1.414 +
   1.415 +    @JavaScriptBody(args = {"operation"}, body = "this._context().globalCompositeOperation=operation.valueOf();")
   1.416 +    @Override
   1.417 +    public native void setGlobalCompositeOperation(String operation);
   1.418 +
   1.419 +    @JavaScriptBody(args = {}, body = "return this._context().globalCompositeOperation;")
   1.420 +    @Override
   1.421 +    public native String getGlobalCompositeOperation();
   1.422 +
   1.423 +    public LinearGradientWrapper createLinearGradientWrapper(double x0, double y0, double x1, double y1) {
   1.424 +        return new LinearGradientWrapper(createLinearGradientImpl(context, x0, y0, x1, y1));
   1.425 +    }
   1.426 +
   1.427 +    @JavaScriptBody(args = {"context", "x0", "y0", "x1", "y1"}, body = "return context.createLinearGradient(x0,y0,x1,y1);")
   1.428 +    private native Object createLinearGradientImpl(Object context, double x0, double y0, double x1, double y1);
   1.429 +
   1.430 +    public PatternWrapper createPatternWrapper(ImageData image, String repeat) {
   1.431 +        return new PatternWrapper(createPatternImpl(context, image, repeat));
   1.432 +    }
   1.433 +
   1.434 +    @JavaScriptBody(args = {"context", "image", "repeat"}, body = "return context.createPattern(image, repeat);")
   1.435 +    private static native Object createPatternImpl(Object context, ImageData image, String repeat);
   1.436 +
   1.437 +    public RadialGradientWrapper createRadialGradientWrapper(double x0, double y0, double r0, double x1, double y1, double r1) {
   1.438 +        return new RadialGradientWrapper(createRadialGradientImpl(context, x0, y0, r0, x1, y1, r1));
   1.439 +    }
   1.440 +
   1.441 +    @JavaScriptBody(args = {"context", "x0", "y0", "r0", "x1", "y1", "r1"}, body = "return context.createRadialGradient(x0,y0,r0,x1,y1,r1);")
   1.442 +    private static native Object createRadialGradientImpl(Object context, double x0, double y0, double r0, double x1, double y1, double r1);
   1.443 +
   1.444 +//  
   1.445 +//    @JavaScriptBody(args = {"path"}, body = "var b = new Image(); b.src=path; return b;")
   1.446 +//    public native Image getImageForPath(String path);
   1.447 +
   1.448 +    
   1.449 +    
   1.450 +    @Override
   1.451 +    public int getHeight() {
   1.452 +       return canvas.getHeight();
   1.453 +    }
   1.454 +
   1.455 +    @Override
   1.456 +    public int getWidth() {
   1.457 +       return canvas.getWidth();
   1.458 +    }
   1.459 +
   1.460 +    @Override
   1.461 +    public void setHeight(int height) {
   1.462 +       canvas.setHeight(height);
   1.463 +    }
   1.464 +
   1.465 +    @Override
   1.466 +    public void setWidth(int width) {
   1.467 +       canvas.setWidth(width);
   1.468 +    }
   1.469 +
   1.470 +}