hg/bck2brwsr: javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/HTML5GraphicsEnvironment.java@0e2c3676d77a

     1 /**

     2  * Back 2 Browser Bytecode Translator Copyright (C) 2012 Jaroslav Tulach

     3  * <jaroslav.tulach@apidesign.org>

     4  *

     5  * This program is free software: you can redistribute it and/or modify it under

     6  * the terms of the GNU General Public License as published by the Free Software

     7  * Foundation, version 2 of the License.

     8  *

     9  * This program is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

    11  * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more

    12  * details.

    13  *

    14  * You should have received a copy of the GNU General Public License along with

    15  * this program. Look for COPYING file in the top folder. If not, see

    16  * http://opensource.org/licenses/GPL-2.0.

    17  */

    18 package org.apidesign.bck2brwsr.htmlpage;

    20 import java.util.HashMap;

    21 import java.util.Set;

    22 import net.java.html.canvas.Dimension;

    23 import net.java.html.canvas.Image;

    24 import net.java.html.canvas.LinearGradient;

    25 import net.java.html.canvas.Pattern;

    26 import net.java.html.canvas.ImageData;

    27 import net.java.html.canvas.RadialGradient;

    28 import net.java.html.canvas.Style;

    29 import net.java.html.canvas.spi.GraphicsEnvironment;

    30 import org.apidesign.bck2brwsr.core.JavaScriptBody;

    31 import org.apidesign.bck2brwsr.htmlpage.api.Canvas;

    32 import org.apidesign.bck2brwsr.htmlpage.api.Element;

    34 /**

    35  *

    36  * @author Anton Epple <toni.epple@eppleton.de>

    37  */

    38 public class HTML5GraphicsEnvironment implements GraphicsEnvironment {

    40     Object context;

    41     Canvas canvas;

    43     public HTML5GraphicsEnvironment(Object contextImpl, Canvas canvas) {

    44         this.context = contextImpl;

    45         this.canvas = canvas;

    46     }

    48     @JavaScriptBody(args = {"centerx", "centery", "radius", "startangle", "endangle", "ccw"},

    49             body = "this._context().arc(centerx,centery, radius, startangle, endangle,ccw);")

    50     @Override

    51     public native void arc(double centerX,

    52             double centerY,

    53             double startAngle,

    54             double radius,

    55             double endAngle,

    56             boolean ccw);

    58     @JavaScriptBody(args = {"x1", "y1", "x2", "y2", "r"},

    59             body = "this._context().arcTo(x1,y1,x2,y2,r);")

    60     @Override

    61     public native void arcTo(double x1,

    62             double y1,

    63             double x2,

    64             double y2,

    65             double r);

    67     @JavaScriptBody(args = {"x", "y"},

    68             body = "return this._context().isPointInPath(x,y);")

    69     @Override

    70     public native boolean isPointInPath(double x, double y);

    72     @JavaScriptBody(args = {}, body = "this._context().fill();")

    73     @Override

    74     public native void fill();

    76     @JavaScriptBody(args = {}, body = "this._context().stroke();")

    77     @Override

    78     public native void stroke();

    80     @JavaScriptBody(args = {}, body = "this._context().beginPath();")

    81     @Override

    82     public native void beginPath();

    84     @JavaScriptBody(args = {}, body = "this._context().closePath();")

    85     @Override

    86     public native void closePath();

    88     @JavaScriptBody(args = {}, body = "this._context().clip();")

    89     @Override

    90     public native void clip();

    92     @JavaScriptBody(args = {"x", "y"}, body = "this._context().moveTo(x,y);")

    93     @Override

    94     public native void moveTo(double x, double y);

    96     @JavaScriptBody(args = {"x", "y"}, body = "this._context().lineTo(x,y);")

    97     @Override

    98     public native void lineTo(double x, double y);

   100     @JavaScriptBody(args = {"cpx", "cpy", "x", "y"}, body = "this._context().quadraticCurveTo(cpx,cpy,x,y);")

   101     @Override

   102     public native void quadraticCurveTo(double cpx, double cpy, double x, double y);

   104     @JavaScriptBody(args = {"cp1x", "cp1y", "cp2x", "cp2y", "x", "y"},

   105             body = "this._context().bezierCurveTo(cp1x,cp1y,cp2x,cp2y,x,y);")

   106     @Override

   107     public native void bezierCurveTo(double cp1x, double cp1y, double cp2x, double cp2y, double x, double y);

   109     @JavaScriptBody(args = {"x", "y", "width", "height"}, body = "this._context().fillRect(x,y,width,height);")

   110     @Override

   111     public native void fillRect(double x, double y, double width, double height);

   113     @JavaScriptBody(args = {"x", "y", "width", "height"}, body = "this._context().strokeRect(x,y,width,height);")

   114     @Override

   115     public native void strokeRect(double x, double y, double width, double height);

   117     @JavaScriptBody(args = {"x", "y", "width", "height"}, body = "this._context().clearRect(x,y,width,height);")

   118     @Override

   119     public native void clearRect(double x, double y, double width, double height);

   121     @JavaScriptBody(args = {"x", "y", "width", "height"}, body = "this._context().rect(x,y,width,height);")

   122     @Override

   123     public native void rect(double x, double y, double width, double height);

   125     @JavaScriptBody(args = {}, body = "this._context().save();")

   126     @Override

   127     public native void save();

   129     @JavaScriptBody(args = {}, body = "this._context().restore();")

   130     @Override

   131     public native void restore();

   133     @JavaScriptBody(args = {"angle"}, body = "this._context().rotate(angle);")

   134     @Override

   135     public native void rotate(double angle);

   137     @JavaScriptBody(args = {"a", "b", "c", "d", "e", "f"}, body = "this._context().transform(a,b,c,d,e,f);")

   138     @Override

   139     public native void transform(double a, double b, double c, double d, double e, double f);

   141     @JavaScriptBody(args = {"a", "b", "c", "d", "e", "f"}, body = "this._context().setTransform(a,b,c,d,e,f);")

   142     @Override

   143     public native void setTransform(double a, double b, double c, double d, double e, double f);

   145     @JavaScriptBody(args = {"x", "y"}, body = "this._context().translate(x,y);")

   146     @Override

   147     public native void translate(double x, double y);

   149     @JavaScriptBody(args = {"x", "y"}, body = "this._context().scale(x,y);")

   150     @Override

   151     public native void scale(double x, double y);

   153     @Override

   154     public Object drawImage(Image image, double x, double y, Object nativeImage) {

   155         if (nativeImage == null) {

   156             nativeImage = createImage(image.getSrc());

   157         }

   158         return drawImageImpl(context, nativeImage, x, y);

   159     }

   161     @Override

   162     public Object drawImage(Image image, double x, double y, double width, double height, Object nativeImage) {

   163         if (nativeImage == null) {

   164             nativeImage = createImage(image.getSrc());

   165         }

   166         return drawImageImpl(context, nativeImage, x, y, width, height);

   167     }

   169     @Override

   170     public Object drawImage(Image image, double sx, double sy, double sWidth, double sHeight, double x, double y, double width, double height, Object nativeImage) {

   171         if (nativeImage == null) {

   172             nativeImage = createImage(image.getSrc());

   173         }

   174         return drawImageImpl(context, nativeImage, sx, sy, sWidth, sHeight, x, y, width, height);

   175     }

   177     @JavaScriptBody(args = {"ctx", "img", "x", "y", "width", "height"}, body = "ctx.drawImage(img,x,y,width,height); return img;")

   178     private native static Object drawImageImpl(Object ctx, Object img, double x, double y, double width, double height);

   180     @JavaScriptBody(args = {"ctx", "img", "sx", "sy", "swidth", "sheight", "x", "y", "width", "height"}, body = "ctx.drawImage(img,sx,sy,swidth,sheight,x,y,width,height); return img;")

   181     private native static Object drawImageImpl(Object ctx, Object img, double sx, double sy, double sWidth, double sHeight, double x, double y, double width, double height);

   183     @JavaScriptBody(args = {"ctx", "img", "x", "y"}, body = "ctx.drawImage(img,x,y); return img;")

   184     private native static Object drawImageImpl(Object ctx, Object img, double x, double y);

   186     public Object setFillStyle(Style style, Object nativeStyle) {

   187         if (nativeStyle == null) {

   188             nativeStyle = createNativeStyle(style);

   189         }

   190         setFillStyleImpl(context, nativeStyle);

   191         return nativeStyle;

   192     }

   194     private Object createNativeStyle(Style style) {

   195         if (style instanceof RadialGradient) {

   196             RadialGradientWrapper gradient = createRadialGradientWrapper(

   197                     ((RadialGradient) style).getX0(),

   198                     ((RadialGradient) style).getY0(),

   199                     ((RadialGradient) style).getR0(),

   200                     ((RadialGradient) style).getX1(),

   201                     ((RadialGradient) style).getY1(),

   202                     ((RadialGradient) style).getR1());

   203             HashMap<Double, String> stops = ((LinearGradient) style).getStops();

   204             Set<Double> keySet = stops.keySet();

   205             for (Double double1 : keySet) {

   206                 addColorStopImpl(style, double1, stops.get(double1));

   207             }

   208             return gradient;

   211         } else if (style instanceof LinearGradient) {

   212             LinearGradientWrapper gradient = createLinearGradientWrapper(

   213                     ((LinearGradient) style).getX0(),

   214                     ((LinearGradient) style).getY0(),

   215                     ((LinearGradient) style).getX1(),

   216                     ((LinearGradient) style).getY1());

   217             HashMap<Double, String> stops = ((LinearGradient) style).getStops();

   218             Set<Double> keySet = stops.keySet();

   219             for (Double double1 : keySet) {

   220                 addColorStopImpl(style, double1, stops.get(double1));

   221             }

   222             return gradient;

   223         } else if (style instanceof Pattern) {

   224 //            return createPatternWrapper(((Pattern) style).getImage(), ((Pattern) style).getRepeat());

   225         }

   226         return null;

   227     }

   229     @JavaScriptBody(args = {"gradient", "position", "color"}, body =

   230             "gradient.addColorStop(position,color)")

   231     private static native void addColorStopImpl(Object gradient, double position, String color);

   233     @JavaScriptBody(args = {"context", "obj"}, body = "context.fillStyle=obj;")

   234     private native void setFillStyleImpl(Object context, Object obj);

   236     @JavaScriptBody(args = {"style"}, body = "this._context().strokeStyle=style.valueOf();")

   237     public native void setStrokeStyle(String style);

   239     @Override

   240     public Object setStrokeStyle(Style style, Object nativeStyle) {

   241         if (nativeStyle == null) {

   242             nativeStyle = createNativeStyle(style);

   243         }

   244         setStrokeStyleImpl(context, nativeStyle);

   245         return nativeStyle;

   246     }

   248     @JavaScriptBody(args = {"context", "obj"}, body = "context.strokeStyle=obj;")

   249     private native void setStrokeStyleImpl(Object context, Object obj);

   251     @JavaScriptBody(args = {"color"}, body = "this._context().shadowColor=color.valueOf();")

   252     @Override

   253     public native void setShadowColor(String color);

   255     @JavaScriptBody(args = {"blur"}, body = "this._context().shadowBlur=blur;")

   256     @Override

   257     public native void setShadowBlur(double blur);

   259     @JavaScriptBody(args = {"x"}, body = "this._context().shadowOffsetX=x;")

   260     @Override

   261     public native void setShadowOffsetX(double x);

   263     @JavaScriptBody(args = {"y"}, body = "this._context().shadowOffsetY=y;")

   264     @Override

   265     public native void setShadowOffsetY(double y);

   267     @JavaScriptBody(args = {}, body = "return this._context().strokeStyle;")

   268     public native String getStrokeStyle();

   270     @JavaScriptBody(args = {}, body = "return this._context().shadowColor;")

   271     @Override

   272     public native String getShadowColor();

   274     @JavaScriptBody(args = {}, body = "return this._context().shadowBlur;")

   275     @Override

   276     public native double getShadowBlur();

   278     @JavaScriptBody(args = {}, body = "return this._context().shadowOffsetX;")

   279     @Override

   280     public native double getShadowOffsetX();

   282     @JavaScriptBody(args = {}, body = "return this._context().shadowOffsetY;")

   283     @Override

   284     public native double getShadowOffsetY();

   286     @JavaScriptBody(args = {}, body = "return this._context().lineCap;")

   287     @Override

   288     public native String getLineCap();

   290     @JavaScriptBody(args = {"style"}, body = "this._context().lineCap=style.valueOf();")

   291     @Override

   292     public native void setLineCap(String style);

   294     @JavaScriptBody(args = {}, body = "return this._context().lineJoin;")

   295     @Override

   296     public native String getLineJoin();

   298     @JavaScriptBody(args = {"style"}, body = "this._context().lineJoin=style.valueOf();")

   299     @Override

   300     public native void setLineJoin(String style);

   302     @JavaScriptBody(args = {}, body = "return this._context().lineWidth;")

   303     @Override

   304     public native double getLineWidth();

   306     @JavaScriptBody(args = {"width"}, body = "this._context().lineWidth=width;")

   307     @Override

   308     public native void setLineWidth(double width);

   310     @JavaScriptBody(args = {}, body = "return this._context().miterLimit;")

   311     @Override

   312     public native double getMiterLimit();

   314     @JavaScriptBody(args = {"limit"}, body = "this._context().miterLimit=limit;")

   315     @Override

   316     public native void setMiterLimit(double limit);

   318     @JavaScriptBody(args = {}, body = "return this._context().font;")

   319     @Override

   320     public native String getFont();

   322     @JavaScriptBody(args = {"font"}, body = "this._context().font=font.valueOf();")

   323     @Override

   324     public native void setFont(String font);

   326     @JavaScriptBody(args = {}, body = "return this._context().textAlign;")

   327     @Override

   328     public native String getTextAlign();

   330     @JavaScriptBody(args = {"textalign"}, body = "this._context().textAlign=textalign.valueOf();")

   331     @Override

   332     public native void setTextAlign(String textAlign);

   334     @JavaScriptBody(args = {}, body = "return this._context().textBaseline;")

   335     @Override

   336     public native String getTextBaseline();

   338     @JavaScriptBody(args = {"textbaseline"}, body = "this._context().textBaseline=textbaseline.valueOf();")

   339     @Override

   340     public native void setTextBaseline(String textbaseline);

   342     @JavaScriptBody(args = {"text", "x", "y"}, body = "this._context().fillText(text,x,y);")

   343 //    @JavaScriptBody(args = {"text", "x", "y"}, body = "console.log(text);")

   344     @Override

   345     public native void fillText(String text, double x, double y);

   347     @JavaScriptBody(args = {"text", "x", "y", "maxwidth"}, body = "this._context().fillText(text,x,y,maxwidth);")

   348     @Override

   349     public void fillText(String text, double x, double y, double maxWidth) {

   350     }

   352     @Override

   353     public Dimension measureText(String text) {

   354         measureTextImpl(text);

   355         return new Dimension(1, 1);

   356     }

   358     @JavaScriptBody(args = {"text"},

   359             body = "return this._context().measureText(text);")

   360     private native Object measureTextImpl(String text);

   362     @JavaScriptBody(args = {"text", "x", "y"}, body = "this._context().strokeText(text,x,y);")

   363     @Override

   364     public native void strokeText(String text, double x, double y);

   366     @JavaScriptBody(args = {"text", "x", "y", "maxWidth"}, body = "this._context().strokeText(text,x,y,maxWidth);")

   367     @Override

   368     public native void strokeText(String text, double x, double y, double maxWidth);

   370     @Override

   371     public ImageData createPixelMap(double x, double y) {

   372         return new ImageDataWrapper(createPixelMapImpl(x, y));

   373     }

   375     @JavaScriptBody(args = {"x", "y"},

   376             body = "return this._context().createImageData(x,y);")

   377     private native Object createPixelMapImpl(double x, double y);

   379     @Override

   380     public ImageData createPixelMap(ImageData imageData) {

   381         return new ImageDataWrapper(createPixelMapImpl(imageData.getWidth(), imageData.getHeight()));

   382     }

   384     @Override

   385     public ImageData getPixelMap(double x, double y, double width, double height) {

   386         return new ImageDataWrapper(getPixelMapImpl(x, y, width, height));

   387     }

   389     @JavaScriptBody(args = {"x", "y", "width", "height"},

   390             body = "return this._context().getImageData(x,y,width,height);")

   391     private native Object getPixelMapImpl(double x, double y, double width, double height);

   393     @Override

   394     public void putPixelMap(ImageData imageData, double x, double y) {

   395         putPixelMapImpl(((ImageDataWrapper) imageData).object(), x, y);

   396     }

   398     @JavaScriptBody(args = {"imageData", "x", "y"},

   399             body = "this._context().putImageData(imageData,x,y);")

   400     private native void putPixelMapImpl(Object imageData, double x, double y);

   402     @Override

   403     public void putPixelMap(ImageData imageData, double x, double y, double dirtyx, double dirtyy, double dirtywidth, double dirtyheight) {

   404         putPixelMapImpl(((ImageDataWrapper) imageData).object(), x, y, dirtyx, dirtyy, dirtywidth, dirtyheight);

   405     }

   407     @JavaScriptBody(args = {"imageData", "x", "y", "dirtyx", "dirtyy", "dirtywidth", "dirtyheight"},

   408             body = "this._context().putImageData(imageData,x,y, dirtyx, dirtyy, dirtywidth,dirtyheight);")

   409     private native void putPixelMapImpl(Object imageData, double x, double y, double dirtyx, double dirtyy, double dirtywidth, double dirtyheight);

   411     @JavaScriptBody(args = {"alpha"}, body = "this._context().globalAlpha=alpha;")

   412     @Override

   413     public native void setGlobalAlpha(double alpha);

   415     @JavaScriptBody(args = {}, body = "return this._context().globalAlpha;")

   416     @Override

   417     public native double getGlobalAlpha();

   419     @JavaScriptBody(args = {"operation"}, body = "this._context().globalCompositeOperation=operation.valueOf();")

   420     @Override

   421     public native void setGlobalCompositeOperation(String operation);

   423     @JavaScriptBody(args = {}, body = "return this._context().globalCompositeOperation;")

   424     @Override

   425     public native String getGlobalCompositeOperation();

   427     public LinearGradientWrapper createLinearGradientWrapper(double x0, double y0, double x1, double y1) {

   428         return new LinearGradientWrapper(createLinearGradientImpl(context, x0, y0, x1, y1));

   429     }

   431     @JavaScriptBody(args = {"context", "x0", "y0", "x1", "y1"}, body = "return context.createLinearGradient(x0,y0,x1,y1);")

   432     private native Object createLinearGradientImpl(Object context, double x0, double y0, double x1, double y1);

   434     public PatternWrapper createPatternWrapper(Image image, String repeat) {

   435         return new PatternWrapper(createPatternImpl(context, image, repeat));

   436     }

   438     @JavaScriptBody(args = {"context", "image", "repeat"}, body = "return context.createPattern(image, repeat);")

   439     private static native Object createPatternImpl(Object context, Image image, String repeat);

   441     public RadialGradientWrapper createRadialGradientWrapper(double x0, double y0, double r0, double x1, double y1, double r1) {

   442         return new RadialGradientWrapper(createRadialGradientImpl(context, x0, y0, r0, x1, y1, r1));

   443     }

   445     @JavaScriptBody(args = {"context", "x0", "y0", "r0", "x1", "y1", "r1"}, body = "return context.createRadialGradient(x0,y0,r0,x1,y1,r1);")

   446     private static native Object createRadialGradientImpl(Object context, double x0, double y0, double r0, double x1, double y1, double r1);

   448     @JavaScriptBody(args = {"path"}, body = "var b = new Image(); b.src=path; return b;")

   449     public native Image getImageForPath(String path);

   451     @Override

   452     public int getHeight() {

   453         return canvas.getHeight();

   454     }

   456     @Override

   457     public int getWidth() {

   458         return canvas.getWidth();

   459     }

   461     @Override

   462     public void setHeight(int height) {

   463         canvas.setHeight(height);

   464     }

   466     @Override

   467     public void setWidth(int width) {

   468         canvas.setWidth(width);

   469     }

   471     @JavaScriptBody(args = {"src"}, body = "var image = new Image(); image.src = src; return image;")

   472     private static native Object createImage(String src);

   473 }

author	Anton Epple <toni.epple@eppleton.de>
	Mon, 27 May 2013 08:30:30 +0200
branch	canvas
changeset 1145	0e2c3676d77a
parent 1142	7db01893aaf8
child 1149	78c3cdffe719
permissions	-rw-r--r--