1.1 --- a/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/ImageDataWrapper.java Mon May 27 11:26:55 2013 +0200
1.2 +++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/ImageDataWrapper.java Mon May 27 11:31:41 2013 +0200
1.3 @@ -1,19 +1,19 @@
1.4 /**
1.5 - * Back 2 Browser Bytecode Translator
1.6 - * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
1.7 + * Back 2 Browser Bytecode Translator Copyright (C) 2012 Jaroslav Tulach
1.8 + * <jaroslav.tulach@apidesign.org>
1.9 *
1.10 - * This program is free software: you can redistribute it and/or modify
1.11 - * it under the terms of the GNU General Public License as published by
1.12 - * the Free Software Foundation, version 2 of the License.
1.13 + * This program is free software: you can redistribute it and/or modify it under
1.14 + * the terms of the GNU General Public License as published by the Free Software
1.15 + * Foundation, version 2 of the License.
1.16 *
1.17 - * This program is distributed in the hope that it will be useful,
1.18 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.19 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.20 - * GNU General Public License for more details.
1.21 + * This program is distributed in the hope that it will be useful, but WITHOUT
1.22 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
1.23 + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
1.24 + * details.
1.25 *
1.26 - * You should have received a copy of the GNU General Public License
1.27 - * along with this program. Look for COPYING file in the top folder.
1.28 - * If not, see http://opensource.org/licenses/GPL-2.0.
1.29 + * You should have received a copy of the GNU General Public License along with
1.30 + * this program. Look for COPYING file in the top folder. If not, see
1.31 + * http://opensource.org/licenses/GPL-2.0.
1.32 */
1.33 /*
1.34 * To change this template, choose Tools | Templates
1.35 @@ -28,34 +28,41 @@
1.36 *
1.37 * @author Anton Epple <toni.epple@eppleton.de>
1.38 */
1.39 -public class ImageDataWrapper implements ImageData{
1.40 +public class ImageDataWrapper implements ImageData {
1.41
1.42 + private double width, height = -1;
1.43 private Object imageData;
1.44 private Data data;
1.45
1.46 public ImageDataWrapper(Object imageData) {
1.47 this.imageData = imageData;
1.48 }
1.49 -
1.50 - public Data getData(){
1.51 - if (data == null){
1.52 +
1.53 + private Data getData() {
1.54 + if (data == null) {
1.55 data = new Data(getDataImpl(imageData));
1.56 }
1.57 return data;
1.58 }
1.59 -
1.60 +
1.61 @JavaScriptBody(args = {"imageData"}, body = "return imageData.data")
1.62 public native Object getDataImpl(Object imageData);
1.63
1.64 public double getWidth() {
1.65 - return getWidthImpl(imageData);
1.66 + if (width == -1) {
1.67 + width = getWidthImpl(imageData);
1.68 + }
1.69 + return width;
1.70 }
1.71
1.72 @JavaScriptBody(args = {"imageData"}, body = "return imagedata.width;")
1.73 private static native double getWidthImpl(Object imageData);
1.74
1.75 public double getHeight() {
1.76 - return getHeightImpl(imageData);
1.77 + if (height == -1) {
1.78 + height = getHeightImpl(imageData);
1.79 + }
1.80 + return height;
1.81 }
1.82
1.83 @JavaScriptBody(args = {"imageData"}, body = "return imagedata.height;")
1.84 @@ -66,15 +73,52 @@
1.85 }
1.86
1.87 @Override
1.88 - public int getPixel(double x, double y) {
1.89 - throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
1.90 + public int getR(double x, double y) {
1.91 + double idx = (x + y * width) * 4;
1.92 + return getData().get(idx);
1.93 }
1.94
1.95 @Override
1.96 - public void setPixel(double x, double y, int value) {
1.97 - throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
1.98 + public int getG(double x, double y) {
1.99 + double idx = (x + y * width) * 4;
1.100 + return getData().get(idx + 1);
1.101 }
1.102
1.103 + @Override
1.104 + public int getB(double x, double y) {
1.105 + double idx = (x + y * width) * 4;
1.106 + return getData().get(idx + 2);
1.107 + }
1.108 +
1.109 + @Override
1.110 + public int getA(double x, double y) {
1.111 + double idx = (x + y * width) * 4;
1.112 + return getData().get(idx + 3);
1.113 + }
1.114 +
1.115 + @Override
1.116 + public void setR(double x, double y, int value) {
1.117 + double idx = (x + y * width) * 4;
1.118 + getData().set(idx, value);
1.119 + }
1.120 +
1.121 + @Override
1.122 + public void setG(double x, double y, int value) {
1.123 + double idx = (x + y * width) * 4;
1.124 + getData().set(idx + 1, value);
1.125 + }
1.126 +
1.127 + @Override
1.128 + public void setB(double x, double y, int value) {
1.129 + double idx = (x + y * width) * 4;
1.130 + getData().set(idx + 2, value);
1.131 + }
1.132 +
1.133 + @Override
1.134 + public void setA(double x, double y, int value) {
1.135 + double idx = (x + y * width) * 4;
1.136 + getData().set(idx + 3, value);
1.137 + }
1.138
1.139 public static class Data {
1.140
1.141 @@ -84,18 +128,18 @@
1.142 this.data = data;
1.143 }
1.144
1.145 - public int get(int index) {
1.146 + public int get(double index) {
1.147 return getImpl(data, index);
1.148 }
1.149
1.150 - public void set(int index, int value) {
1.151 + public void set(double index, int value) {
1.152 setImpl(data, index, value);
1.153 }
1.154
1.155 @JavaScriptBody(args = {"data", "index", "value"}, body = "data[index]=value;")
1.156 - private static native void setImpl(Object data, int index, int value);
1.157 + private static native void setImpl(Object data, double index, int value);
1.158
1.159 @JavaScriptBody(args = {"imagedata", "index"}, body = "return data[index];")
1.160 - private static native int getImpl(Object data, int index);
1.161 + private static native int getImpl(Object data, double index);
1.162 }
1.163 }