1.1 --- a/javaquery/canvas/src/main/java/net/java/html/canvas/GraphicsContext.java Tue Feb 11 15:42:12 2014 +0100
1.2 +++ b/javaquery/canvas/src/main/java/net/java/html/canvas/GraphicsContext.java Wed Feb 12 08:21:34 2014 +0100
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 package net.java.html.canvas;
1.34
1.35 @@ -26,7 +26,7 @@
1.36
1.37 /**
1.38 * A 2D Graphics Context similar to HTML5 or JavaFX GraphicsContext. Use this to
1.39 - * paint on your Canvas.s
1.40 + * paint on your Canvas
1.41 *
1.42 * @author antonepple
1.43 */
1.44 @@ -440,6 +440,8 @@
1.45 // public double getShadowOffsetY() {
1.46 // return graphicsEnvironmentImpl.getShadowOffsetY();
1.47 // }
1.48 +
1.49 +
1.50 public String getLineCap() {
1.51 return graphicsEnvironmentImpl.getLineCap();
1.52 }
1.53 @@ -472,56 +474,151 @@
1.54 graphicsEnvironmentImpl.setMiterLimit(limit);
1.55 }
1.56
1.57 + /**
1.58 + * Sets the fill style. Will be used when rendering something, e.g. calling one
1.59 + * of the fillText Methods.
1.60 + * @param style
1.61 + */
1.62 public void setFillStyle(Style style) {
1.63 Object nativeFillStyle = graphicsEnvironmentImpl.setFillStyle(style, style.getCached());
1.64 style.cache(nativeFillStyle);
1.65 }
1.66
1.67 + /**
1.68 + * get the current font
1.69 + *
1.70 + * @return current Font.
1.71 + * of the fillText Methods.
1.72 + */
1.73 public String getFont() {
1.74 return graphicsEnvironmentImpl.getFont();
1.75 }
1.76
1.77 + /**
1.78 + * Set the Font. Will be used when rendering Text, e.g. by calling one
1.79 + * of the fillText Methods.
1.80 + *
1.81 + * @param font
1.82 + */
1.83 public void setFont(String font) {
1.84 graphicsEnvironmentImpl.setFont(font);
1.85 }
1.86
1.87 + /**
1.88 + * sets the Style of the Stroke.
1.89 + *
1.90 + * @param style
1.91 + */
1.92 public void setStrokeStyle(Style style) {
1.93 Object nativeStrokeStyle = graphicsEnvironmentImpl.setStrokeStyle(style, style.getCached());
1.94 style.cache(nativeStrokeStyle);
1.95 }
1.96
1.97 + /**
1.98 + * Gets the current TextAlignment attribute
1.99 + *
1.100 + * @return TextAlignment with values of left, center, right, or justify.
1.101 + */
1.102 public String getTextAlign() {
1.103 return graphicsEnvironmentImpl.getTextAlign();
1.104 }
1.105
1.106 + /**
1.107 + * Defines horizontal text alignment, relative to the text {@code x} origin.
1.108 + * <p>
1.109 + * Let horizontal bounds represent the logical width of a single line of
1.110 + * text. Where each line of text has a separate horizontal bounds.
1.111 + * <p>
1.112 + * Then TextAlignment is specified as:
1.113 + * <ul>
1.114 + * <li>left: the left edge of the horizontal bounds will be at {@code x}.
1.115 + * <li>center: the center, halfway between left and right edge, of the
1.116 + * horizontal bounds will be at {@code x}.
1.117 + * <li>right: the right edge of the horizontal bounds will be at {@code x}.
1.118 + * </ul>
1.119 + * <p>
1.120 + *
1.121 + * Note: Canvas does not support line wrapping, therefore the text alignment
1.122 + * Justify is identical to left aligned text.
1.123 + * <p>
1.124 + *
1.125 + * @param textAlign with values of left, center, right.
1.126 + */
1.127 public void setTextAlign(String textAlign) {
1.128 graphicsEnvironmentImpl.setTextAlign(textAlign);
1.129 }
1.130
1.131 + /**
1.132 + * Gets the current Text Baseline attribute.
1.133 + *
1.134 + * @return baseline with values of top, center, baseline, or bottom
1.135 + */
1.136 public String getTextBaseline() {
1.137 return graphicsEnvironmentImpl.getTextBaseline();
1.138 }
1.139
1.140 + /**
1.141 + * Sets the current Text Baseline attribute.
1.142 + *
1.143 + * @param baseline with values of top, center, baseline, or bottom
1.144 + */
1.145 public void setTextBaseline(String textbaseline) {
1.146 graphicsEnvironmentImpl.setTextBaseline(textbaseline);
1.147 }
1.148
1.149 + /**
1.150 + * Renders the indicated String with current fill. default is black.
1.151 + *
1.152 + * @param text the text to stroke
1.153 + * @param x x coordinate of start position
1.154 + * @param y y coordinate of start position
1.155 + */
1.156 public void fillText(String text, double x, double y) {
1.157 graphicsEnvironmentImpl.fillText(text, x, y);
1.158 }
1.159
1.160 + /**
1.161 + * Renders the indicated String with current fill. default is black.
1.162 + *
1.163 + * @param text the text to stroke
1.164 + * @param x x coordinate of start position
1.165 + * @param y y coordinate of start position
1.166 + * @param maxWidth maximum width of text
1.167 + */
1.168 public void fillText(String text, double x, double y, double maxWidth) {
1.169 graphicsEnvironmentImpl.fillText(text, x, y, maxWidth);
1.170 }
1.171
1.172 + /**
1.173 + * Check the length of a text before writing it to the Canvas. Takes into
1.174 + * account the current Font.
1.175 + *
1.176 + * @param text the text to measure
1.177 + * @return the length in pixels
1.178 + */
1.179 public Dimension measureText(String text) {
1.180 return graphicsEnvironmentImpl.measureText(text);
1.181 }
1.182
1.183 + /**
1.184 + * Renders the indicated String (with no fill)
1.185 + *
1.186 + * @param text the text to stroke
1.187 + * @param x x coordinate of start position
1.188 + * @param y y coordinate of start position
1.189 + */
1.190 public void strokeText(String text, double x, double y) {
1.191 graphicsEnvironmentImpl.strokeText(text, x, y);
1.192 }
1.193
1.194 + /**
1.195 + * Renders the indicated String (with no fill)
1.196 + *
1.197 + * @param text the text to stroke
1.198 + * @param x x coordinate of start position
1.199 + * @param y y coordinate of start position
1.200 + * @param maxWidth maximum width of text
1.201 + */
1.202 public void strokeText(String text, double x, double y, double maxWidth) {
1.203 graphicsEnvironmentImpl.strokeText(text, x, y, maxWidth);
1.204 }
1.205 @@ -582,18 +679,52 @@
1.206 return graphicsEnvironmentImpl.getGlobalCompositeOperation();
1.207 }
1.208
1.209 + /**
1.210 + * Create a LinearGradient to use in Canvas.
1.211 + *
1.212 + * @param x0 x coordinate of start point
1.213 + * @param y0 y coordinate of start point
1.214 + * @param x1 x coordinate of end point
1.215 + * @param y1 y coordinate of end point
1.216 + * @return the gradient
1.217 + */
1.218 public LinearGradient createLinearGradient(double x0, double y0, double x1, double y1) {
1.219 return new Style.LinearGradient(x0, y0, x1, y1);
1.220 }
1.221
1.222 + /**
1.223 + * Create an Image Pattern from a source Image and a repeat style. Possible
1.224 + * Styles are repeat, repeat-x, repeat-y, or no-repeat. defaults to repeat
1.225 + *
1.226 + * @param image the Image
1.227 + * @param repeat the repeat style
1.228 + * @return the Pattern
1.229 + */
1.230 public Pattern createPattern(Image image, String repeat) {
1.231 return new Pattern(image, repeat);
1.232 }
1.233
1.234 + /**
1.235 + * Create a RadialGradient
1.236 + *
1.237 + * @param x0 x Coordinate of starting circle
1.238 + * @param y0 y Coordinate of starting circle
1.239 + * @param r0 radius of starting circle
1.240 + * @param x1 x coordinate of ending circle
1.241 + * @param y1 y coordinate of ending circle
1.242 + * @param r1 radius of ending circle
1.243 + * @return the Gradient
1.244 + */
1.245 public RadialGradient createRadialGradient(double x0, double y0, double r0, double x1, double y1, double r1) {
1.246 return new RadialGradient(x0, y0, r0, x1, y1, r1);
1.247 }
1.248
1.249 + /**
1.250 + * Convert this String Representation of a Color to a Color Object.
1.251 + *
1.252 + * @param webColor
1.253 + * @return The Color represented by the input
1.254 + */
1.255 public Color getWebColor(String webColor) {
1.256 return new Style.Color(webColor);
1.257 }