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| 1 | +/* | |
| 2 | + * Copyright (c) 2000, 2007, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.print; | |
| 27 | + | |
| 28 | +import java.awt.Color; | |
| 29 | +import java.awt.Font; | |
| 30 | +import java.awt.FontMetrics; | |
| 31 | +import java.awt.Graphics; | |
| 32 | +import java.awt.Image; | |
| 33 | +import java.awt.Polygon; | |
| 34 | +import java.awt.Rectangle; | |
| 35 | +import java.awt.Shape; | |
| 36 | + | |
| 37 | +import java.awt.image.ImageObserver; | |
| 38 | + | |
| 39 | +import java.text.AttributedCharacterIterator; | |
| 40 | + | |
| 41 | +/** | |
| 42 | + * Implements the Graphics API but does all | |
| 43 | + * rendering through a second Graphics instance. | |
| 44 | + * The primary use of this class is to provide | |
| 45 | + * a Graphics instance without the 2D API to | |
| 46 | + * an application, but to implement the rendering | |
| 47 | + * with a Graphics2D instance. | |
| 48 | + */ | |
| 49 | +public class ProxyGraphics extends Graphics { | |
| 50 | + | |
| 51 | + /** | |
| 52 | + * The Graphics instance that performs the | |
| 53 | + * drawing for this Graphics. | |
| 54 | + */ | |
| 55 | + private Graphics g; | |
| 56 | + | |
| 57 | + public ProxyGraphics(Graphics graphics) { | |
| 58 | + g = graphics; | |
| 59 | + } | |
| 60 | + | |
| 61 | + Graphics getGraphics() { | |
| 62 | + return g; | |
| 63 | + } | |
| 64 | + | |
| 65 | + /** | |
| 66 | + * Creates a new <code>Graphics</code> object that is | |
| 67 | + * a copy of this <code>Graphics</code> object. | |
| 68 | + * @return a new graphics context that is a copy of | |
| 69 | + * this graphics context. | |
| 70 | + */ | |
| 71 | + public Graphics create() { | |
| 72 | + return new ProxyGraphics(g.create()); | |
| 73 | + } | |
| 74 | + | |
| 75 | + /** | |
| 76 | + * Creates a new <code>Graphics</code> object based on this | |
| 77 | + * <code>Graphics</code> object, but with a new translation and clip area. | |
| 78 | + * The new <code>Graphics</code> object has its origin | |
| 79 | + * translated to the specified point (<i>x</i>, <i>y</i>). | |
| 80 | + * Its clip area is determined by the intersection of the original | |
| 81 | + * clip area with the specified rectangle. The arguments are all | |
| 82 | + * interpreted in the coordinate system of the original | |
| 83 | + * <code>Graphics</code> object. The new graphics context is | |
| 84 | + * identical to the original, except in two respects: | |
| 85 | + * <p> | |
| 86 | + * <ul> | |
| 87 | + * <li> | |
| 88 | + * The new graphics context is translated by (<i>x</i>, <i>y</i>). | |
| 89 | + * That is to say, the point (<code>0</code>, <code>0</code>) in the | |
| 90 | + * new graphics context is the same as (<i>x</i>, <i>y</i>) in | |
| 91 | + * the original graphics context. | |
| 92 | + * <li> | |
| 93 | + * The new graphics context has an additional clipping rectangle, in | |
| 94 | + * addition to whatever (translated) clipping rectangle it inherited | |
| 95 | + * from the original graphics context. The origin of the new clipping | |
| 96 | + * rectangle is at (<code>0</code>, <code>0</code>), and its size | |
| 97 | + * is specified by the <code>width</code> and <code>height</code> | |
| 98 | + * arguments. | |
| 99 | + * </ul> | |
| 100 | + * <p> | |
| 101 | + * @param x the <i>x</i> coordinate. | |
| 102 | + * @param y the <i>y</i> coordinate. | |
| 103 | + * @param width the width of the clipping rectangle. | |
| 104 | + * @param height the height of the clipping rectangle. | |
| 105 | + * @return a new graphics context. | |
| 106 | + * @see java.awt.Graphics#translate | |
| 107 | + * @see java.awt.Graphics#clipRect | |
| 108 | + */ | |
| 109 | + public Graphics create(int x, int y, int width, int height) { | |
| 110 | + return new ProxyGraphics(g.create(x, y, width, height)); | |
| 111 | + } | |
| 112 | + | |
| 113 | + /** | |
| 114 | + * Translates the origin of the graphics context to the point | |
| 115 | + * (<i>x</i>, <i>y</i>) in the current coordinate system. | |
| 116 | + * Modifies this graphics context so that its new origin corresponds | |
| 117 | + * to the point (<i>x</i>, <i>y</i>) in this graphics context's | |
| 118 | + * original coordinate system. All coordinates used in subsequent | |
| 119 | + * rendering operations on this graphics context will be relative | |
| 120 | + * to this new origin. | |
| 121 | + * @param x the <i>x</i> coordinate. | |
| 122 | + * @param y the <i>y</i> coordinate. | |
| 123 | + */ | |
| 124 | + public void translate(int x, int y) { | |
| 125 | + g.translate(x, y); | |
| 126 | + } | |
| 127 | + | |
| 128 | + /** | |
| 129 | + * Gets this graphics context's current color. | |
| 130 | + * @return this graphics context's current color. | |
| 131 | + * @see java.awt.Color | |
| 132 | + * @see java.awt.Graphics#setColor | |
| 133 | + */ | |
| 134 | + public Color getColor() { | |
| 135 | + return g.getColor(); | |
| 136 | + } | |
| 137 | + | |
| 138 | + /** | |
| 139 | + * Sets this graphics context's current color to the specified | |
| 140 | + * color. All subsequent graphics operations using this graphics | |
| 141 | + * context use this specified color. | |
| 142 | + * @param c the new rendering color. | |
| 143 | + * @see java.awt.Color | |
| 144 | + * @see java.awt.Graphics#getColor | |
| 145 | + */ | |
| 146 | + public void setColor(Color c) { | |
| 147 | + g.setColor(c); | |
| 148 | + } | |
| 149 | + | |
| 150 | + /** | |
| 151 | + * Sets the paint mode of this graphics context to overwrite the | |
| 152 | + * destination with this graphics context's current color. | |
| 153 | + * This sets the logical pixel operation function to the paint or | |
| 154 | + * overwrite mode. All subsequent rendering operations will | |
| 155 | + * overwrite the destination with the current color. | |
| 156 | + */ | |
| 157 | + public void setPaintMode() { | |
| 158 | + g.setPaintMode(); | |
| 159 | + } | |
| 160 | + | |
| 161 | + /** | |
| 162 | + * Sets the paint mode of this graphics context to alternate between | |
| 163 | + * this graphics context's current color and the new specified color. | |
| 164 | + * This specifies that logical pixel operations are performed in the | |
| 165 | + * XOR mode, which alternates pixels between the current color and | |
| 166 | + * a specified XOR color. | |
| 167 | + * <p> | |
| 168 | + * When drawing operations are performed, pixels which are the | |
| 169 | + * current color are changed to the specified color, and vice versa. | |
| 170 | + * <p> | |
| 171 | + * Pixels that are of colors other than those two colors are changed | |
| 172 | + * in an unpredictable but reversible manner; if the same figure is | |
| 173 | + * drawn twice, then all pixels are restored to their original values. | |
| 174 | + * @param c1 the XOR alternation color | |
| 175 | + */ | |
| 176 | + public void setXORMode(Color c1) { | |
| 177 | + g.setXORMode(c1); | |
| 178 | + } | |
| 179 | + | |
| 180 | + /** | |
| 181 | + * Gets the current font. | |
| 182 | + * @return this graphics context's current font. | |
| 183 | + * @see java.awt.Font | |
| 184 | + * @see java.awt.Graphics#setFont | |
| 185 | + */ | |
| 186 | + public Font getFont() { | |
| 187 | + return g.getFont(); | |
| 188 | + } | |
| 189 | + | |
| 190 | + /** | |
| 191 | + * Sets this graphics context's font to the specified font. | |
| 192 | + * All subsequent text operations using this graphics context | |
| 193 | + * use this font. | |
| 194 | + * @param font the font. | |
| 195 | + * @see java.awt.Graphics#getFont | |
| 196 | + * @see java.awt.Graphics#drawString(java.lang.String, int, int) | |
| 197 | + * @see java.awt.Graphics#drawBytes(byte[], int, int, int, int) | |
| 198 | + * @see java.awt.Graphics#drawChars(char[], int, int, int, int) | |
| 199 | + */ | |
| 200 | + public void setFont(Font font) { | |
| 201 | + g.setFont(font); | |
| 202 | + } | |
| 203 | + | |
| 204 | + /** | |
| 205 | + * Gets the font metrics of the current font. | |
| 206 | + * @return the font metrics of this graphics | |
| 207 | + * context's current font. | |
| 208 | + * @see java.awt.Graphics#getFont | |
| 209 | + * @see java.awt.FontMetrics | |
| 210 | + * @see java.awt.Graphics#getFontMetrics(Font) | |
| 211 | + */ | |
| 212 | + public FontMetrics getFontMetrics() { | |
| 213 | + return g.getFontMetrics(); | |
| 214 | + } | |
| 215 | + | |
| 216 | + /** | |
| 217 | + * Gets the font metrics for the specified font. | |
| 218 | + * @return the font metrics for the specified font. | |
| 219 | + * @param f the specified font | |
| 220 | + * @see java.awt.Graphics#getFont | |
| 221 | + * @see java.awt.FontMetrics | |
| 222 | + * @see java.awt.Graphics#getFontMetrics() | |
| 223 | + */ | |
| 224 | + public FontMetrics getFontMetrics(Font f) { | |
| 225 | + return g.getFontMetrics(f); | |
| 226 | + } | |
| 227 | + | |
| 228 | + | |
| 229 | + /** | |
| 230 | + * Returns the bounding rectangle of the current clipping area. | |
| 231 | + * This method refers to the user clip, which is independent of the | |
| 232 | + * clipping associated with device bounds and window visibility. | |
| 233 | + * If no clip has previously been set, or if the clip has been | |
| 234 | + * cleared using <code>setClip(null)</code>, this method returns | |
| 235 | + * <code>null</code>. | |
| 236 | + * The coordinates in the rectangle are relative to the coordinate | |
| 237 | + * system origin of this graphics context. | |
| 238 | + * @return the bounding rectangle of the current clipping area, | |
| 239 | + * or <code>null</code> if no clip is set. | |
| 240 | + * @see java.awt.Graphics#getClip | |
| 241 | + * @see java.awt.Graphics#clipRect | |
| 242 | + * @see java.awt.Graphics#setClip(int, int, int, int) | |
| 243 | + * @see java.awt.Graphics#setClip(Shape) | |
| 244 | + * @since JDK1.1 | |
| 245 | + */ | |
| 246 | + public Rectangle getClipBounds() { | |
| 247 | + return g.getClipBounds(); | |
| 248 | + } | |
| 249 | + | |
| 250 | + /** | |
| 251 | + * Intersects the current clip with the specified rectangle. | |
| 252 | + * The resulting clipping area is the intersection of the current | |
| 253 | + * clipping area and the specified rectangle. If there is no | |
| 254 | + * current clipping area, either because the clip has never been | |
| 255 | + * set, or the clip has been cleared using <code>setClip(null)</code>, | |
| 256 | + * the specified rectangle becomes the new clip. | |
| 257 | + * This method sets the user clip, which is independent of the | |
| 258 | + * clipping associated with device bounds and window visibility. | |
| 259 | + * This method can only be used to make the current clip smaller. | |
| 260 | + * To set the current clip larger, use any of the setClip methods. | |
| 261 | + * Rendering operations have no effect outside of the clipping area. | |
| 262 | + * @param x the x coordinate of the rectangle to intersect the clip with | |
| 263 | + * @param y the y coordinate of the rectangle to intersect the clip with | |
| 264 | + * @param width the width of the rectangle to intersect the clip with | |
| 265 | + * @param height the height of the rectangle to intersect the clip with | |
| 266 | + * @see #setClip(int, int, int, int) | |
| 267 | + * @see #setClip(Shape) | |
| 268 | + */ | |
| 269 | + public void clipRect(int x, int y, int width, int height) { | |
| 270 | + g.clipRect(x, y, width, height); | |
| 271 | + } | |
| 272 | + | |
| 273 | + /** | |
| 274 | + * Sets the current clip to the rectangle specified by the given | |
| 275 | + * coordinates. This method sets the user clip, which is | |
| 276 | + * independent of the clipping associated with device bounds | |
| 277 | + * and window visibility. | |
| 278 | + * Rendering operations have no effect outside of the clipping area. | |
| 279 | + * @param x the <i>x</i> coordinate of the new clip rectangle. | |
| 280 | + * @param y the <i>y</i> coordinate of the new clip rectangle. | |
| 281 | + * @param width the width of the new clip rectangle. | |
| 282 | + * @param height the height of the new clip rectangle. | |
| 283 | + * @see java.awt.Graphics#clipRect | |
| 284 | + * @see java.awt.Graphics#setClip(Shape) | |
| 285 | + * @since JDK1.1 | |
| 286 | + */ | |
| 287 | + public void setClip(int x, int y, int width, int height) { | |
| 288 | + g.setClip(x, y, width, height); | |
| 289 | + } | |
| 290 | + | |
| 291 | + /** | |
| 292 | + * Gets the current clipping area. | |
| 293 | + * This method returns the user clip, which is independent of the | |
| 294 | + * clipping associated with device bounds and window visibility. | |
| 295 | + * If no clip has previously been set, or if the clip has been | |
| 296 | + * cleared using <code>setClip(null)</code>, this method returns | |
| 297 | + * <code>null</code>. | |
| 298 | + * @return a <code>Shape</code> object representing the | |
| 299 | + * current clipping area, or <code>null</code> if | |
| 300 | + * no clip is set. | |
| 301 | + * @see java.awt.Graphics#getClipBounds | |
| 302 | + * @see java.awt.Graphics#clipRect | |
| 303 | + * @see java.awt.Graphics#setClip(int, int, int, int) | |
| 304 | + * @see java.awt.Graphics#setClip(Shape) | |
| 305 | + * @since JDK1.1 | |
| 306 | + */ | |
| 307 | + public Shape getClip() { | |
| 308 | + return g.getClip(); | |
| 309 | + } | |
| 310 | + | |
| 311 | + /** | |
| 312 | + * Sets the current clipping area to an arbitrary clip shape. | |
| 313 | + * Not all objects that implement the <code>Shape</code> | |
| 314 | + * interface can be used to set the clip. The only | |
| 315 | + * <code>Shape</code> objects that are guaranteed to be | |
| 316 | + * supported are <code>Shape</code> objects that are | |
| 317 | + * obtained via the <code>getClip</code> method and via | |
| 318 | + * <code>Rectangle</code> objects. This method sets the | |
| 319 | + * user clip, which is independent of the clipping associated | |
| 320 | + * with device bounds and window visibility. | |
| 321 | + * @param clip the <code>Shape</code> to use to set the clip | |
| 322 | + * @see java.awt.Graphics#getClip() | |
| 323 | + * @see java.awt.Graphics#clipRect | |
| 324 | + * @see java.awt.Graphics#setClip(int, int, int, int) | |
| 325 | + * @since JDK1.1 | |
| 326 | + */ | |
| 327 | + public void setClip(Shape clip) { | |
| 328 | + g.setClip(clip); | |
| 329 | + } | |
| 330 | + | |
| 331 | + /** | |
| 332 | + * Copies an area of the component by a distance specified by | |
| 333 | + * <code>dx</code> and <code>dy</code>. From the point specified | |
| 334 | + * by <code>x</code> and <code>y</code>, this method | |
| 335 | + * copies downwards and to the right. To copy an area of the | |
| 336 | + * component to the left or upwards, specify a negative value for | |
| 337 | + * <code>dx</code> or <code>dy</code>. | |
| 338 | + * If a portion of the source rectangle lies outside the bounds | |
| 339 | + * of the component, or is obscured by another window or component, | |
| 340 | + * <code>copyArea</code> will be unable to copy the associated | |
| 341 | + * pixels. The area that is omitted can be refreshed by calling | |
| 342 | + * the component's <code>paint</code> method. | |
| 343 | + * @param x the <i>x</i> coordinate of the source rectangle. | |
| 344 | + * @param y the <i>y</i> coordinate of the source rectangle. | |
| 345 | + * @param width the width of the source rectangle. | |
| 346 | + * @param height the height of the source rectangle. | |
| 347 | + * @param dx the horizontal distance to copy the pixels. | |
| 348 | + * @param dy the vertical distance to copy the pixels. | |
| 349 | + */ | |
| 350 | + public void copyArea(int x, int y, int width, int height, | |
| 351 | + int dx, int dy) { | |
| 352 | + g.copyArea(x, y, width, height, dx, dy); | |
| 353 | + } | |
| 354 | + | |
| 355 | + /** | |
| 356 | + * Draws a line, using the current color, between the points | |
| 357 | + * <code>(x1, y1)</code> and <code>(x2, y2)</code> | |
| 358 | + * in this graphics context's coordinate system. | |
| 359 | + * @param x1 the first point's <i>x</i> coordinate. | |
| 360 | + * @param y1 the first point's <i>y</i> coordinate. | |
| 361 | + * @param x2 the second point's <i>x</i> coordinate. | |
| 362 | + * @param y2 the second point's <i>y</i> coordinate. | |
| 363 | + */ | |
| 364 | + public void drawLine(int x1, int y1, int x2, int y2) { | |
| 365 | + g.drawLine(x1, y1, x2, y2); | |
| 366 | + } | |
| 367 | + | |
| 368 | + /** | |
| 369 | + * Fills the specified rectangle. | |
| 370 | + * The left and right edges of the rectangle are at | |
| 371 | + * <code>x</code> and <code>x + width - 1</code>. | |
| 372 | + * The top and bottom edges are at | |
| 373 | + * <code>y</code> and <code>y + height - 1</code>. | |
| 374 | + * The resulting rectangle covers an area | |
| 375 | + * <code>width</code> pixels wide by | |
| 376 | + * <code>height</code> pixels tall. | |
| 377 | + * The rectangle is filled using the graphics context's current color. | |
| 378 | + * @param x the <i>x</i> coordinate | |
| 379 | + * of the rectangle to be filled. | |
| 380 | + * @param y the <i>y</i> coordinate | |
| 381 | + * of the rectangle to be filled. | |
| 382 | + * @param width the width of the rectangle to be filled. | |
| 383 | + * @param height the height of the rectangle to be filled. | |
| 384 | + * @see java.awt.Graphics#clearRect | |
| 385 | + * @see java.awt.Graphics#drawRect | |
| 386 | + */ | |
| 387 | + public void fillRect(int x, int y, int width, int height) { | |
| 388 | + g.fillRect(x, y, width, height); | |
| 389 | + } | |
| 390 | + | |
| 391 | + /** | |
| 392 | + * Draws the outline of the specified rectangle. | |
| 393 | + * The left and right edges of the rectangle are at | |
| 394 | + * <code>x</code> and <code>x + width</code>. | |
| 395 | + * The top and bottom edges are at | |
| 396 | + * <code>y</code> and <code>y + height</code>. | |
| 397 | + * The rectangle is drawn using the graphics context's current color. | |
| 398 | + * @param x the <i>x</i> coordinate | |
| 399 | + * of the rectangle to be drawn. | |
| 400 | + * @param y the <i>y</i> coordinate | |
| 401 | + * of the rectangle to be drawn. | |
| 402 | + * @param width the width of the rectangle to be drawn. | |
| 403 | + * @param height the height of the rectangle to be drawn. | |
| 404 | + * @see java.awt.Graphics#fillRect | |
| 405 | + * @see java.awt.Graphics#clearRect | |
| 406 | + */ | |
| 407 | + public void drawRect(int x, int y, int width, int height) { | |
| 408 | + g.drawRect(x, y, width, height); | |
| 409 | + } | |
| 410 | + | |
| 411 | + /** | |
| 412 | + * Clears the specified rectangle by filling it with the background | |
| 413 | + * color of the current drawing surface. This operation does not | |
| 414 | + * use the current paint mode. | |
| 415 | + * <p> | |
| 416 | + * Beginning with Java 1.1, the background color | |
| 417 | + * of offscreen images may be system dependent. Applications should | |
| 418 | + * use <code>setColor</code> followed by <code>fillRect</code> to | |
| 419 | + * ensure that an offscreen image is cleared to a specific color. | |
| 420 | + * @param x the <i>x</i> coordinate of the rectangle to clear. | |
| 421 | + * @param y the <i>y</i> coordinate of the rectangle to clear. | |
| 422 | + * @param width the width of the rectangle to clear. | |
| 423 | + * @param height the height of the rectangle to clear. | |
| 424 | + * @see java.awt.Graphics#fillRect(int, int, int, int) | |
| 425 | + * @see java.awt.Graphics#drawRect | |
| 426 | + * @see java.awt.Graphics#setColor(java.awt.Color) | |
| 427 | + * @see java.awt.Graphics#setPaintMode | |
| 428 | + * @see java.awt.Graphics#setXORMode(java.awt.Color) | |
| 429 | + */ | |
| 430 | + public void clearRect(int x, int y, int width, int height) { | |
| 431 | + g.clearRect(x, y, width, height); | |
| 432 | + } | |
| 433 | + | |
| 434 | + /** | |
| 435 | + * Draws an outlined round-cornered rectangle using this graphics | |
| 436 | + * context's current color. The left and right edges of the rectangle | |
| 437 | + * are at <code>x</code> and <code>x + width</code>, | |
| 438 | + * respectively. The top and bottom edges of the rectangle are at | |
| 439 | + * <code>y</code> and <code>y + height</code>. | |
| 440 | + * @param x the <i>x</i> coordinate of the rectangle to be drawn. | |
| 441 | + * @param y the <i>y</i> coordinate of the rectangle to be drawn. | |
| 442 | + * @param width the width of the rectangle to be drawn. | |
| 443 | + * @param height the height of the rectangle to be drawn. | |
| 444 | + * @param arcWidth the horizontal diameter of the arc | |
| 445 | + * at the four corners. | |
| 446 | + * @param arcHeight the vertical diameter of the arc | |
| 447 | + * at the four corners. | |
| 448 | + * @see java.awt.Graphics#fillRoundRect | |
| 449 | + */ | |
| 450 | + public void drawRoundRect(int x, int y, int width, int height, | |
| 451 | + int arcWidth, int arcHeight) { | |
| 452 | + g.drawRoundRect(x, y, width, height, arcWidth, arcHeight); | |
| 453 | + } | |
| 454 | + | |
| 455 | + /** | |
| 456 | + * Fills the specified rounded corner rectangle with the current color. | |
| 457 | + * The left and right edges of the rectangle | |
| 458 | + * are at <code>x</code> and <code>x + width - 1</code>, | |
| 459 | + * respectively. The top and bottom edges of the rectangle are at | |
| 460 | + * <code>y</code> and <code>y + height - 1</code>. | |
| 461 | + * @param x the <i>x</i> coordinate of the rectangle to be filled. | |
| 462 | + * @param y the <i>y</i> coordinate of the rectangle to be filled. | |
| 463 | + * @param width the width of the rectangle to be filled. | |
| 464 | + * @param height the height of the rectangle to be filled. | |
| 465 | + * @param arcWidth the horizontal diameter | |
| 466 | + * of the arc at the four corners. | |
| 467 | + * @param arcHeight the vertical diameter | |
| 468 | + * of the arc at the four corners. | |
| 469 | + * @see java.awt.Graphics#drawRoundRect | |
| 470 | + */ | |
| 471 | + public void fillRoundRect(int x, int y, int width, int height, | |
| 472 | + int arcWidth, int arcHeight) { | |
| 473 | + g.fillRoundRect(x, y, width, height, arcWidth, arcHeight); | |
| 474 | + } | |
| 475 | + | |
| 476 | + /** | |
| 477 | + * Draws a 3-D highlighted outline of the specified rectangle. | |
| 478 | + * The edges of the rectangle are highlighted so that they | |
| 479 | + * appear to be beveled and lit from the upper left corner. | |
| 480 | + * <p> | |
| 481 | + * The colors used for the highlighting effect are determined | |
| 482 | + * based on the current color. | |
| 483 | + * The resulting rectangle covers an area that is | |
| 484 | + * <code>width + 1</code> pixels wide | |
| 485 | + * by <code>height + 1</code> pixels tall. | |
| 486 | + * @param x the <i>x</i> coordinate of the rectangle to be drawn. | |
| 487 | + * @param y the <i>y</i> coordinate of the rectangle to be drawn. | |
| 488 | + * @param width the width of the rectangle to be drawn. | |
| 489 | + * @param height the height of the rectangle to be drawn. | |
| 490 | + * @param raised a boolean that determines whether the rectangle | |
| 491 | + * appears to be raised above the surface | |
| 492 | + * or sunk into the surface. | |
| 493 | + * @see java.awt.Graphics#fill3DRect | |
| 494 | + */ | |
| 495 | + public void draw3DRect(int x, int y, int width, int height, | |
| 496 | + boolean raised) { | |
| 497 | + g.draw3DRect(x, y, width, height, raised); | |
| 498 | + } | |
| 499 | + | |
| 500 | + /** | |
| 501 | + * Paints a 3-D highlighted rectangle filled with the current color. | |
| 502 | + * The edges of the rectangle will be highlighted so that it appears | |
| 503 | + * as if the edges were beveled and lit from the upper left corner. | |
| 504 | + * The colors used for the highlighting effect will be determined from | |
| 505 | + * the current color. | |
| 506 | + * @param x the <i>x</i> coordinate of the rectangle to be filled. | |
| 507 | + * @param y the <i>y</i> coordinate of the rectangle to be filled. | |
| 508 | + * @param width the width of the rectangle to be filled. | |
| 509 | + * @param height the height of the rectangle to be filled. | |
| 510 | + * @param raised a boolean value that determines whether the | |
| 511 | + * rectangle appears to be raised above the surface | |
| 512 | + * or etched into the surface. | |
| 513 | + * @see java.awt.Graphics#draw3DRect | |
| 514 | + */ | |
| 515 | + public void fill3DRect(int x, int y, int width, int height, | |
| 516 | + boolean raised) { | |
| 517 | + g.fill3DRect(x, y, width, height, raised); | |
| 518 | + } | |
| 519 | + | |
| 520 | + /** | |
| 521 | + * Draws the outline of an oval. | |
| 522 | + * The result is a circle or ellipse that fits within the | |
| 523 | + * rectangle specified by the <code>x</code>, <code>y</code>, | |
| 524 | + * <code>width</code>, and <code>height</code> arguments. | |
| 525 | + * <p> | |
| 526 | + * The oval covers an area that is | |
| 527 | + * <code>width + 1</code> pixels wide | |
| 528 | + * and <code>height + 1</code> pixels tall. | |
| 529 | + * @param x the <i>x</i> coordinate of the upper left | |
| 530 | + * corner of the oval to be drawn. | |
| 531 | + * @param y the <i>y</i> coordinate of the upper left | |
| 532 | + * corner of the oval to be drawn. | |
| 533 | + * @param width the width of the oval to be drawn. | |
| 534 | + * @param height the height of the oval to be drawn. | |
| 535 | + * @see java.awt.Graphics#fillOval | |
| 536 | + */ | |
| 537 | + public void drawOval(int x, int y, int width, int height) { | |
| 538 | + g.drawOval(x, y, width, height); | |
| 539 | + } | |
| 540 | + | |
| 541 | + /** | |
| 542 | + * Fills an oval bounded by the specified rectangle with the | |
| 543 | + * current color. | |
| 544 | + * @param x the <i>x</i> coordinate of the upper left corner | |
| 545 | + * of the oval to be filled. | |
| 546 | + * @param y the <i>y</i> coordinate of the upper left corner | |
| 547 | + * of the oval to be filled. | |
| 548 | + * @param width the width of the oval to be filled. | |
| 549 | + * @param height the height of the oval to be filled. | |
| 550 | + * @see java.awt.Graphics#drawOval | |
| 551 | + */ | |
| 552 | + public void fillOval(int x, int y, int width, int height) { | |
| 553 | + g.fillOval(x, y, width, height); | |
| 554 | + } | |
| 555 | + | |
| 556 | + /** | |
| 557 | + * Draws the outline of a circular or elliptical arc | |
| 558 | + * covering the specified rectangle. | |
| 559 | + * <p> | |
| 560 | + * The resulting arc begins at <code>startAngle</code> and extends | |
| 561 | + * for <code>arcAngle</code> degrees, using the current color. | |
| 562 | + * Angles are interpreted such that 0 degrees | |
| 563 | + * is at the 3 o'clock position. | |
| 564 | + * A positive value indicates a counter-clockwise rotation | |
| 565 | + * while a negative value indicates a clockwise rotation. | |
| 566 | + * <p> | |
| 567 | + * The center of the arc is the center of the rectangle whose origin | |
| 568 | + * is (<i>x</i>, <i>y</i>) and whose size is specified by the | |
| 569 | + * <code>width</code> and <code>height</code> arguments. | |
| 570 | + * <p> | |
| 571 | + * The resulting arc covers an area | |
| 572 | + * <code>width + 1</code> pixels wide | |
| 573 | + * by <code>height + 1</code> pixels tall. | |
| 574 | + * <p> | |
| 575 | + * The angles are specified relative to the non-square extents of | |
| 576 | + * the bounding rectangle such that 45 degrees always falls on the | |
| 577 | + * line from the center of the ellipse to the upper right corner of | |
| 578 | + * the bounding rectangle. As a result, if the bounding rectangle is | |
| 579 | + * noticeably longer in one axis than the other, the angles to the | |
| 580 | + * start and end of the arc segment will be skewed farther along the | |
| 581 | + * longer axis of the bounds. | |
| 582 | + * @param x the <i>x</i> coordinate of the | |
| 583 | + * upper-left corner of the arc to be drawn. | |
| 584 | + * @param y the <i>y</i> coordinate of the | |
| 585 | + * upper-left corner of the arc to be drawn. | |
| 586 | + * @param width the width of the arc to be drawn. | |
| 587 | + * @param height the height of the arc to be drawn. | |
| 588 | + * @param startAngle the beginning angle. | |
| 589 | + * @param arcAngle the angular extent of the arc, | |
| 590 | + * relative to the start angle. | |
| 591 | + * @see java.awt.Graphics#fillArc | |
| 592 | + */ | |
| 593 | + public void drawArc(int x, int y, int width, int height, | |
| 594 | + int startAngle, int arcAngle) { | |
| 595 | + g.drawArc(x, y, width, height, startAngle, arcAngle); | |
| 596 | + } | |
| 597 | + | |
| 598 | + /** | |
| 599 | + * Fills a circular or elliptical arc covering the specified rectangle. | |
| 600 | + * <p> | |
| 601 | + * The resulting arc begins at <code>startAngle</code> and extends | |
| 602 | + * for <code>arcAngle</code> degrees. | |
| 603 | + * Angles are interpreted such that 0 degrees | |
| 604 | + * is at the 3 o'clock position. | |
| 605 | + * A positive value indicates a counter-clockwise rotation | |
| 606 | + * while a negative value indicates a clockwise rotation. | |
| 607 | + * <p> | |
| 608 | + * The center of the arc is the center of the rectangle whose origin | |
| 609 | + * is (<i>x</i>, <i>y</i>) and whose size is specified by the | |
| 610 | + * <code>width</code> and <code>height</code> arguments. | |
| 611 | + * <p> | |
| 612 | + * The resulting arc covers an area | |
| 613 | + * <code>width + 1</code> pixels wide | |
| 614 | + * by <code>height + 1</code> pixels tall. | |
| 615 | + * <p> | |
| 616 | + * The angles are specified relative to the non-square extents of | |
| 617 | + * the bounding rectangle such that 45 degrees always falls on the | |
| 618 | + * line from the center of the ellipse to the upper right corner of | |
| 619 | + * the bounding rectangle. As a result, if the bounding rectangle is | |
| 620 | + * noticeably longer in one axis than the other, the angles to the | |
| 621 | + * start and end of the arc segment will be skewed farther along the | |
| 622 | + * longer axis of the bounds. | |
| 623 | + * @param x the <i>x</i> coordinate of the | |
| 624 | + * upper-left corner of the arc to be filled. | |
| 625 | + * @param y the <i>y</i> coordinate of the | |
| 626 | + * upper-left corner of the arc to be filled. | |
| 627 | + * @param width the width of the arc to be filled. | |
| 628 | + * @param height the height of the arc to be filled. | |
| 629 | + * @param startAngle the beginning angle. | |
| 630 | + * @param arcAngle the angular extent of the arc, | |
| 631 | + * relative to the start angle. | |
| 632 | + * @see java.awt.Graphics#drawArc | |
| 633 | + */ | |
| 634 | + public void fillArc(int x, int y, int width, int height, | |
| 635 | + int startAngle, int arcAngle) { | |
| 636 | + | |
| 637 | + g.fillArc(x, y, width, height, startAngle, arcAngle); | |
| 638 | + } | |
| 639 | + | |
| 640 | + /** | |
| 641 | + * Draws a sequence of connected lines defined by | |
| 642 | + * arrays of <i>x</i> and <i>y</i> coordinates. | |
| 643 | + * Each pair of (<i>x</i>, <i>y</i>) coordinates defines a point. | |
| 644 | + * The figure is not closed if the first point | |
| 645 | + * differs from the last point. | |
| 646 | + * @param xPoints an array of <i>x</i> points | |
| 647 | + * @param yPoints an array of <i>y</i> points | |
| 648 | + * @param nPoints the total number of points | |
| 649 | + * @see java.awt.Graphics#drawPolygon(int[], int[], int) | |
| 650 | + * @since JDK1.1 | |
| 651 | + */ | |
| 652 | + public void drawPolyline(int xPoints[], int yPoints[], | |
| 653 | + int nPoints) { | |
| 654 | + g.drawPolyline(xPoints, yPoints, nPoints); | |
| 655 | + } | |
| 656 | + | |
| 657 | + /** | |
| 658 | + * Draws a closed polygon defined by | |
| 659 | + * arrays of <i>x</i> and <i>y</i> coordinates. | |
| 660 | + * Each pair of (<i>x</i>, <i>y</i>) coordinates defines a point. | |
| 661 | + * <p> | |
| 662 | + * This method draws the polygon defined by <code>nPoint</code> line | |
| 663 | + * segments, where the first <code>nPoint - 1</code> | |
| 664 | + * line segments are line segments from | |
| 665 | + * <code>(xPoints[i - 1], yPoints[i - 1])</code> | |
| 666 | + * to <code>(xPoints[i], yPoints[i])</code>, for | |
| 667 | + * 1 ≤ <i>i</i> ≤ <code>nPoints</code>. | |
| 668 | + * The figure is automatically closed by drawing a line connecting | |
| 669 | + * the final point to the first point, if those points are different. | |
| 670 | + * @param xPoints a an array of <code>x</code> coordinates. | |
| 671 | + * @param yPoints a an array of <code>y</code> coordinates. | |
| 672 | + * @param nPoints a the total number of points. | |
| 673 | + * @see java.awt.Graphics#fillPolygon | |
| 674 | + * @see java.awt.Graphics#drawPolyline | |
| 675 | + */ | |
| 676 | + public void drawPolygon(int xPoints[], int yPoints[], | |
| 677 | + int nPoints) { | |
| 678 | + g.drawPolygon(xPoints, yPoints, nPoints); | |
| 679 | + } | |
| 680 | + | |
| 681 | + /** | |
| 682 | + * Draws the outline of a polygon defined by the specified | |
| 683 | + * <code>Polygon</code> object. | |
| 684 | + * @param p the polygon to draw. | |
| 685 | + * @see java.awt.Graphics#fillPolygon | |
| 686 | + * @see java.awt.Graphics#drawPolyline | |
| 687 | + */ | |
| 688 | + public void drawPolygon(Polygon p) { | |
| 689 | + g.drawPolygon(p); | |
| 690 | + } | |
| 691 | + | |
| 692 | + /** | |
| 693 | + * Fills a closed polygon defined by | |
| 694 | + * arrays of <i>x</i> and <i>y</i> coordinates. | |
| 695 | + * <p> | |
| 696 | + * This method draws the polygon defined by <code>nPoint</code> line | |
| 697 | + * segments, where the first <code>nPoint - 1</code> | |
| 698 | + * line segments are line segments from | |
| 699 | + * <code>(xPoints[i - 1], yPoints[i - 1])</code> | |
| 700 | + * to <code>(xPoints[i], yPoints[i])</code>, for | |
| 701 | + * 1 ≤ <i>i</i> ≤ <code>nPoints</code>. | |
| 702 | + * The figure is automatically closed by drawing a line connecting | |
| 703 | + * the final point to the first point, if those points are different. | |
| 704 | + * <p> | |
| 705 | + * The area inside the polygon is defined using an | |
| 706 | + * even-odd fill rule, also known as the alternating rule. | |
| 707 | + * @param xPoints a an array of <code>x</code> coordinates. | |
| 708 | + * @param yPoints a an array of <code>y</code> coordinates. | |
| 709 | + * @param nPoints a the total number of points. | |
| 710 | + * @see java.awt.Graphics#drawPolygon(int[], int[], int) | |
| 711 | + */ | |
| 712 | + public void fillPolygon(int xPoints[], int yPoints[], | |
| 713 | + int nPoints) { | |
| 714 | + g.fillPolygon(xPoints, yPoints, nPoints); | |
| 715 | + } | |
| 716 | + | |
| 717 | + /** | |
| 718 | + * Fills the polygon defined by the specified Polygon object with | |
| 719 | + * the graphics context's current color. | |
| 720 | + * <p> | |
| 721 | + * The area inside the polygon is defined using an | |
| 722 | + * even-odd fill rule, also known as the alternating rule. | |
| 723 | + * @param p the polygon to fill. | |
| 724 | + * @see java.awt.Graphics#drawPolygon(int[], int[], int) | |
| 725 | + */ | |
| 726 | + public void fillPolygon(Polygon p) { | |
| 727 | + g.fillPolygon(p); | |
| 728 | + } | |
| 729 | + | |
| 730 | + /** | |
| 731 | + * Draws the text given by the specified string, using this | |
| 732 | + * graphics context's current font and color. The baseline of the | |
| 733 | + * leftmost character is at position (<i>x</i>, <i>y</i>) in this | |
| 734 | + * graphics context's coordinate system. | |
| 735 | + * @param str the string to be drawn. | |
| 736 | + * @param x the <i>x</i> coordinate. | |
| 737 | + * @param y the <i>y</i> coordinate. | |
| 738 | + * @see java.awt.Graphics#drawBytes | |
| 739 | + * @see java.awt.Graphics#drawChars | |
| 740 | + */ | |
| 741 | + public void drawString(String str, int x, int y) { | |
| 742 | + g.drawString(str, x, y); | |
| 743 | + } | |
| 744 | + | |
| 745 | + /** | |
| 746 | + * Draws the text given by the specified iterator, using this | |
| 747 | + * graphics context's current color. The iterator has to specify a font | |
| 748 | + * for each character. The baseline of the | |
| 749 | + * leftmost character is at position (<i>x</i>, <i>y</i>) in this | |
| 750 | + * graphics context's coordinate system. | |
| 751 | + * @param iterator the iterator whose text is to be drawn | |
| 752 | + * @param x the <i>x</i> coordinate. | |
| 753 | + * @param y the <i>y</i> coordinate. | |
| 754 | + * @see java.awt.Graphics#drawBytes | |
| 755 | + * @see java.awt.Graphics#drawChars | |
| 756 | + */ | |
| 757 | + public void drawString(AttributedCharacterIterator iterator, | |
| 758 | + int x, int y) { | |
| 759 | + g.drawString(iterator, x, y); | |
| 760 | + } | |
| 761 | + | |
| 762 | + /** | |
| 763 | + * Draws the text given by the specified character array, using this | |
| 764 | + * graphics context's current font and color. The baseline of the | |
| 765 | + * first character is at position (<i>x</i>, <i>y</i>) in this | |
| 766 | + * graphics context's coordinate system. | |
| 767 | + * @param data the array of characters to be drawn | |
| 768 | + * @param offset the start offset in the data | |
| 769 | + * @param length the number of characters to be drawn | |
| 770 | + * @param x the <i>x</i> coordinate of the baseline of the text | |
| 771 | + * @param y the <i>y</i> coordinate of the baseline of the text | |
| 772 | + * @see java.awt.Graphics#drawBytes | |
| 773 | + * @see java.awt.Graphics#drawString | |
| 774 | + */ | |
| 775 | + public void drawChars(char data[], int offset, int length, int x, int y) { | |
| 776 | + g.drawChars(data, offset, length, x, y); | |
| 777 | + } | |
| 778 | + | |
| 779 | + /** | |
| 780 | + * Draws the text given by the specified byte array, using this | |
| 781 | + * graphics context's current font and color. The baseline of the | |
| 782 | + * first character is at position (<i>x</i>, <i>y</i>) in this | |
| 783 | + * graphics context's coordinate system. | |
| 784 | + * @param data the data to be drawn | |
| 785 | + * @param offset the start offset in the data | |
| 786 | + * @param length the number of bytes that are drawn | |
| 787 | + * @param x the <i>x</i> coordinate of the baseline of the text | |
| 788 | + * @param y the <i>y</i> coordinate of the baseline of the text | |
| 789 | + * @see java.awt.Graphics#drawChars | |
| 790 | + * @see java.awt.Graphics#drawString | |
| 791 | + */ | |
| 792 | + public void drawBytes(byte data[], int offset, int length, int x, int y) { | |
| 793 | + g.drawBytes(data, offset, length, x, y); | |
| 794 | + } | |
| 795 | + | |
| 796 | + /** | |
| 797 | + * Draws as much of the specified image as is currently available. | |
| 798 | + * The image is drawn with its top-left corner at | |
| 799 | + * (<i>x</i>, <i>y</i>) in this graphics context's coordinate | |
| 800 | + * space. Transparent pixels in the image do not affect whatever | |
| 801 | + * pixels are already there. | |
| 802 | + * <p> | |
| 803 | + * This method returns immediately in all cases, even if the | |
| 804 | + * complete image has not yet been loaded, and it has not been dithered | |
| 805 | + * and converted for the current output device. | |
| 806 | + * <p> | |
| 807 | + * If the image has not yet been completely loaded, then | |
| 808 | + * <code>drawImage</code> returns <code>false</code>. As more of | |
| 809 | + * the image becomes available, the process that draws the image notifies | |
| 810 | + * the specified image observer. | |
| 811 | + * @param img the specified image to be drawn. | |
| 812 | + * @param x the <i>x</i> coordinate. | |
| 813 | + * @param y the <i>y</i> coordinate. | |
| 814 | + * @param observer object to be notified as more of | |
| 815 | + * the image is converted. | |
| 816 | + * @see java.awt.Image | |
| 817 | + * @see java.awt.image.ImageObserver | |
| 818 | + * @see java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int) | |
| 819 | + */ | |
| 820 | + public boolean drawImage(Image img, int x, int y, | |
| 821 | + ImageObserver observer) { | |
| 822 | + return g.drawImage(img, x, y, observer); | |
| 823 | + } | |
| 824 | + | |
| 825 | + /** | |
| 826 | + * Draws as much of the specified image as has already been scaled | |
| 827 | + * to fit inside the specified rectangle. | |
| 828 | + * <p> | |
| 829 | + * The image is drawn inside the specified rectangle of this | |
| 830 | + * graphics context's coordinate space, and is scaled if | |
| 831 | + * necessary. Transparent pixels do not affect whatever pixels | |
| 832 | + * are already there. | |
| 833 | + * <p> | |
| 834 | + * This method returns immediately in all cases, even if the | |
| 835 | + * entire image has not yet been scaled, dithered, and converted | |
| 836 | + * for the current output device. | |
| 837 | + * If the current output representation is not yet complete, then | |
| 838 | + * <code>drawImage</code> returns <code>false</code>. As more of | |
| 839 | + * the image becomes available, the process that draws the image notifies | |
| 840 | + * the image observer by calling its <code>imageUpdate</code> method. | |
| 841 | + * <p> | |
| 842 | + * A scaled version of an image will not necessarily be | |
| 843 | + * available immediately just because an unscaled version of the | |
| 844 | + * image has been constructed for this output device. Each size of | |
| 845 | + * the image may be cached separately and generated from the original | |
| 846 | + * data in a separate image production sequence. | |
| 847 | + * @param img the specified image to be drawn. | |
| 848 | + * @param x the <i>x</i> coordinate. | |
| 849 | + * @param y the <i>y</i> coordinate. | |
| 850 | + * @param width the width of the rectangle. | |
| 851 | + * @param height the height of the rectangle. | |
| 852 | + * @param observer object to be notified as more of | |
| 853 | + * the image is converted. | |
| 854 | + * @see java.awt.Image | |
| 855 | + * @see java.awt.image.ImageObserver | |
| 856 | + * @see java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int) | |
| 857 | + */ | |
| 858 | + public boolean drawImage(Image img, int x, int y, | |
| 859 | + int width, int height, | |
| 860 | + ImageObserver observer) { | |
| 861 | + return g.drawImage(img, x, y, width, height, observer); | |
| 862 | + } | |
| 863 | + | |
| 864 | + /** | |
| 865 | + * Draws as much of the specified image as is currently available. | |
| 866 | + * The image is drawn with its top-left corner at | |
| 867 | + * (<i>x</i>, <i>y</i>) in this graphics context's coordinate | |
| 868 | + * space. Transparent pixels are drawn in the specified | |
| 869 | + * background color. | |
| 870 | + * <p> | |
| 871 | + * This operation is equivalent to filling a rectangle of the | |
| 872 | + * width and height of the specified image with the given color and then | |
| 873 | + * drawing the image on top of it, but possibly more efficient. | |
| 874 | + * <p> | |
| 875 | + * This method returns immediately in all cases, even if the | |
| 876 | + * complete image has not yet been loaded, and it has not been dithered | |
| 877 | + * and converted for the current output device. | |
| 878 | + * <p> | |
| 879 | + * If the image has not yet been completely loaded, then | |
| 880 | + * <code>drawImage</code> returns <code>false</code>. As more of | |
| 881 | + * the image becomes available, the process that draws the image notifies | |
| 882 | + * the specified image observer. | |
| 883 | + * @param img the specified image to be drawn. | |
| 884 | + * @param x the <i>x</i> coordinate. | |
| 885 | + * @param y the <i>y</i> coordinate. | |
| 886 | + * @param bgcolor the background color to paint under the | |
| 887 | + * non-opaque portions of the image. | |
| 888 | + * @param observer object to be notified as more of | |
| 889 | + * the image is converted. | |
| 890 | + * @see java.awt.Image | |
| 891 | + * @see java.awt.image.ImageObserver | |
| 892 | + * @see java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int) | |
| 893 | + */ | |
| 894 | + public boolean drawImage(Image img, int x, int y, | |
| 895 | + Color bgcolor, | |
| 896 | + ImageObserver observer) { | |
| 897 | + return g.drawImage(img, x, y, bgcolor, observer); | |
| 898 | + } | |
| 899 | + | |
| 900 | + /** | |
| 901 | + * Draws as much of the specified image as has already been scaled | |
| 902 | + * to fit inside the specified rectangle. | |
| 903 | + * <p> | |
| 904 | + * The image is drawn inside the specified rectangle of this | |
| 905 | + * graphics context's coordinate space, and is scaled if | |
| 906 | + * necessary. Transparent pixels are drawn in the specified | |
| 907 | + * background color. | |
| 908 | + * This operation is equivalent to filling a rectangle of the | |
| 909 | + * width and height of the specified image with the given color and then | |
| 910 | + * drawing the image on top of it, but possibly more efficient. | |
| 911 | + * <p> | |
| 912 | + * This method returns immediately in all cases, even if the | |
| 913 | + * entire image has not yet been scaled, dithered, and converted | |
| 914 | + * for the current output device. | |
| 915 | + * If the current output representation is not yet complete then | |
| 916 | + * <code>drawImage</code> returns <code>false</code>. As more of | |
| 917 | + * the image becomes available, the process that draws the image notifies | |
| 918 | + * the specified image observer. | |
| 919 | + * <p> | |
| 920 | + * A scaled version of an image will not necessarily be | |
| 921 | + * available immediately just because an unscaled version of the | |
| 922 | + * image has been constructed for this output device. Each size of | |
| 923 | + * the image may be cached separately and generated from the original | |
| 924 | + * data in a separate image production sequence. | |
| 925 | + * @param img the specified image to be drawn. | |
| 926 | + * @param x the <i>x</i> coordinate. | |
| 927 | + * @param y the <i>y</i> coordinate. | |
| 928 | + * @param width the width of the rectangle. | |
| 929 | + * @param height the height of the rectangle. | |
| 930 | + * @param bgcolor the background color to paint under the | |
| 931 | + * non-opaque portions of the image. | |
| 932 | + * @param observer object to be notified as more of | |
| 933 | + * the image is converted. | |
| 934 | + * @see java.awt.Image | |
| 935 | + * @see java.awt.image.ImageObserver | |
| 936 | + * @see java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int) | |
| 937 | + */ | |
| 938 | + public boolean drawImage(Image img, int x, int y, | |
| 939 | + int width, int height, | |
| 940 | + Color bgcolor, | |
| 941 | + ImageObserver observer) { | |
| 942 | + | |
| 943 | + return g.drawImage(img, x, y, width, height, bgcolor, observer); | |
| 944 | + } | |
| 945 | + | |
| 946 | + /** | |
| 947 | + * Draws as much of the specified area of the specified image as is | |
| 948 | + * currently available, scaling it on the fly to fit inside the | |
| 949 | + * specified area of the destination drawable surface. Transparent pixels | |
| 950 | + * do not affect whatever pixels are already there. | |
| 951 | + * <p> | |
| 952 | + * This method returns immediately in all cases, even if the | |
| 953 | + * image area to be drawn has not yet been scaled, dithered, and converted | |
| 954 | + * for the current output device. | |
| 955 | + * If the current output representation is not yet complete then | |
| 956 | + * <code>drawImage</code> returns <code>false</code>. As more of | |
| 957 | + * the image becomes available, the process that draws the image notifies | |
| 958 | + * the specified image observer. | |
| 959 | + * <p> | |
| 960 | + * This method always uses the unscaled version of the image | |
| 961 | + * to render the scaled rectangle and performs the required | |
| 962 | + * scaling on the fly. It does not use a cached, scaled version | |
| 963 | + * of the image for this operation. Scaling of the image from source | |
| 964 | + * to destination is performed such that the first coordinate | |
| 965 | + * of the source rectangle is mapped to the first coordinate of | |
| 966 | + * the destination rectangle, and the second source coordinate is | |
| 967 | + * mapped to the second destination coordinate. The subimage is | |
| 968 | + * scaled and flipped as needed to preserve those mappings. | |
| 969 | + * @param img the specified image to be drawn | |
| 970 | + * @param dx1 the <i>x</i> coordinate of the first corner of the | |
| 971 | + * destination rectangle. | |
| 972 | + * @param dy1 the <i>y</i> coordinate of the first corner of the | |
| 973 | + * destination rectangle. | |
| 974 | + * @param dx2 the <i>x</i> coordinate of the second corner of the | |
| 975 | + * destination rectangle. | |
| 976 | + * @param dy2 the <i>y</i> coordinate of the second corner of the | |
| 977 | + * destination rectangle. | |
| 978 | + * @param sx1 the <i>x</i> coordinate of the first corner of the | |
| 979 | + * source rectangle. | |
| 980 | + * @param sy1 the <i>y</i> coordinate of the first corner of the | |
| 981 | + * source rectangle. | |
| 982 | + * @param sx2 the <i>x</i> coordinate of the second corner of the | |
| 983 | + * source rectangle. | |
| 984 | + * @param sy2 the <i>y</i> coordinate of the second corner of the | |
| 985 | + * source rectangle. | |
| 986 | + * @param observer object to be notified as more of the image is | |
| 987 | + * scaled and converted. | |
| 988 | + * @see java.awt.Image | |
| 989 | + * @see java.awt.image.ImageObserver | |
| 990 | + * @see java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int) | |
| 991 | + * @since JDK1.1 | |
| 992 | + */ | |
| 993 | + public boolean drawImage(Image img, | |
| 994 | + int dx1, int dy1, int dx2, int dy2, | |
| 995 | + int sx1, int sy1, int sx2, int sy2, | |
| 996 | + ImageObserver observer) { | |
| 997 | + | |
| 998 | + return g.drawImage(img, dx1, dy1, dx2, dy2, | |
| 999 | + sx1, sy1, sx2, sy2, | |
| 1000 | + observer); | |
| 1001 | + } | |
| 1002 | + | |
| 1003 | + /** | |
| 1004 | + * Draws as much of the specified area of the specified image as is | |
| 1005 | + * currently available, scaling it on the fly to fit inside the | |
| 1006 | + * specified area of the destination drawable surface. | |
| 1007 | + * <p> | |
| 1008 | + * Transparent pixels are drawn in the specified background color. | |
| 1009 | + * This operation is equivalent to filling a rectangle of the | |
| 1010 | + * width and height of the specified image with the given color and then | |
| 1011 | + * drawing the image on top of it, but possibly more efficient. | |
| 1012 | + * <p> | |
| 1013 | + * This method returns immediately in all cases, even if the | |
| 1014 | + * image area to be drawn has not yet been scaled, dithered, and converted | |
| 1015 | + * for the current output device. | |
| 1016 | + * If the current output representation is not yet complete then | |
| 1017 | + * <code>drawImage</code> returns <code>false</code>. As more of | |
| 1018 | + * the image becomes available, the process that draws the image notifies | |
| 1019 | + * the specified image observer. | |
| 1020 | + * <p> | |
| 1021 | + * This method always uses the unscaled version of the image | |
| 1022 | + * to render the scaled rectangle and performs the required | |
| 1023 | + * scaling on the fly. It does not use a cached, scaled version | |
| 1024 | + * of the image for this operation. Scaling of the image from source | |
| 1025 | + * to destination is performed such that the first coordinate | |
| 1026 | + * of the source rectangle is mapped to the first coordinate of | |
| 1027 | + * the destination rectangle, and the second source coordinate is | |
| 1028 | + * mapped to the second destination coordinate. The subimage is | |
| 1029 | + * scaled and flipped as needed to preserve those mappings. | |
| 1030 | + * @param img the specified image to be drawn | |
| 1031 | + * @param dx1 the <i>x</i> coordinate of the first corner of the | |
| 1032 | + * destination rectangle. | |
| 1033 | + * @param dy1 the <i>y</i> coordinate of the first corner of the | |
| 1034 | + * destination rectangle. | |
| 1035 | + * @param dx2 the <i>x</i> coordinate of the second corner of the | |
| 1036 | + * destination rectangle. | |
| 1037 | + * @param dy2 the <i>y</i> coordinate of the second corner of the | |
| 1038 | + * destination rectangle. | |
| 1039 | + * @param sx1 the <i>x</i> coordinate of the first corner of the | |
| 1040 | + * source rectangle. | |
| 1041 | + * @param sy1 the <i>y</i> coordinate of the first corner of the | |
| 1042 | + * source rectangle. | |
| 1043 | + * @param sx2 the <i>x</i> coordinate of the second corner of the | |
| 1044 | + * source rectangle. | |
| 1045 | + * @param sy2 the <i>y</i> coordinate of the second corner of the | |
| 1046 | + * source rectangle. | |
| 1047 | + * @param bgcolor the background color to paint under the | |
| 1048 | + * non-opaque portions of the image. | |
| 1049 | + * @param observer object to be notified as more of the image is | |
| 1050 | + * scaled and converted. | |
| 1051 | + * @see java.awt.Image | |
| 1052 | + * @see java.awt.image.ImageObserver | |
| 1053 | + * @see java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int) | |
| 1054 | + * @since JDK1.1 | |
| 1055 | + */ | |
| 1056 | + public boolean drawImage(Image img, | |
| 1057 | + int dx1, int dy1, int dx2, int dy2, | |
| 1058 | + int sx1, int sy1, int sx2, int sy2, | |
| 1059 | + Color bgcolor, | |
| 1060 | + ImageObserver observer) { | |
| 1061 | + | |
| 1062 | + return g.drawImage(img, dx1, dy1, dx2, dy2, | |
| 1063 | + sx1, sy1, sx2, sy2, | |
| 1064 | + bgcolor, | |
| 1065 | + observer); | |
| 1066 | + } | |
| 1067 | + | |
| 1068 | + /** | |
| 1069 | + * Disposes of this graphics context and releases | |
| 1070 | + * any system resources that it is using. | |
| 1071 | + * A <code>Graphics</code> object cannot be used after | |
| 1072 | + * <code>dispose</code>has been called. | |
| 1073 | + * <p> | |
| 1074 | + * When a Java program runs, a large number of <code>Graphics</code> | |
| 1075 | + * objects can be created within a short time frame. | |
| 1076 | + * Although the finalization process of the garbage collector | |
| 1077 | + * also disposes of the same system resources, it is preferable | |
| 1078 | + * to manually free the associated resources by calling this | |
| 1079 | + * method rather than to rely on a finalization process which | |
| 1080 | + * may not run to completion for a long period of time. | |
| 1081 | + * <p> | |
| 1082 | + * Graphics objects which are provided as arguments to the | |
| 1083 | + * <code>paint</code> and <code>update</code> methods | |
| 1084 | + * of components are automatically released by the system when | |
| 1085 | + * those methods return. For efficiency, programmers should | |
| 1086 | + * call <code>dispose</code> when finished using | |
| 1087 | + * a <code>Graphics</code> object only if it was created | |
| 1088 | + * directly from a component or another <code>Graphics</code> object. | |
| 1089 | + * @see java.awt.Graphics#finalize | |
| 1090 | + * @see java.awt.Component#paint | |
| 1091 | + * @see java.awt.Component#update | |
| 1092 | + * @see java.awt.Component#getGraphics | |
| 1093 | + * @see java.awt.Graphics#create | |
| 1094 | + */ | |
| 1095 | + public void dispose() { | |
| 1096 | + g.dispose(); | |
| 1097 | + } | |
| 1098 | + | |
| 1099 | + /** | |
| 1100 | + * Empty finalizer as no clean up needed here. | |
| 1101 | + */ | |
| 1102 | + public void finalize() { | |
| 1103 | + } | |
| 1104 | + | |
| 1105 | + /** | |
| 1106 | + * Returns a <code>String</code> object representing this | |
| 1107 | + * <code>Graphics</code> object's value. | |
| 1108 | + * @return a string representation of this graphics context. | |
| 1109 | + */ | |
| 1110 | + public String toString() { | |
| 1111 | + return getClass().getName() + "[font=" + getFont() + ",color=" + getColor() + "]"; | |
| 1112 | + } | |
| 1113 | + | |
| 1114 | + /** | |
| 1115 | + * @deprecated As of JDK version 1.1, | |
| 1116 | + * replaced by <code>getClipBounds()</code>. | |
| 1117 | + */ | |
| 1118 | + @Deprecated | |
| 1119 | + public Rectangle getClipRect() { | |
| 1120 | + return g.getClipRect(); | |
| 1121 | + } | |
| 1122 | + | |
| 1123 | + /** | |
| 1124 | + * Returns true if the specified rectangular area intersects | |
| 1125 | + * the bounding rectangle of the current clipping area. | |
| 1126 | + * The coordinates in the rectangle are relative to the coordinate | |
| 1127 | + * system origin of this graphics context. | |
| 1128 | + * | |
| 1129 | + * @param x the x coordinate of the rectangle to test against the clip | |
| 1130 | + * @param y the y coordinate of the rectangle to test against the clip | |
| 1131 | + * @param width the width of the rectangle to test against the clip | |
| 1132 | + * @param height the height of the rectangle to test against the clip | |
| 1133 | + */ | |
| 1134 | + public boolean hitClip(int x, int y, int width, int height) { | |
| 1135 | + return g.hitClip(x, y, width, height); | |
| 1136 | + } | |
| 1137 | + | |
| 1138 | + /** | |
| 1139 | + * Returns the bounding rectangle of the current clipping area. | |
| 1140 | + * The coordinates in the rectangle are relative to the coordinate | |
| 1141 | + * system origin of this graphics context. This method differs | |
| 1142 | + * from {@link #getClipBounds() getClipBounds} in that an existing | |
| 1143 | + * rectangle is used instead of allocating a new one. | |
| 1144 | + * This method refers to the user clip, which is independent of the | |
| 1145 | + * clipping associated with device bounds and window visibility. | |
| 1146 | + * If no clip has previously been set, or if the clip has been | |
| 1147 | + * cleared using <code>setClip(null)</code>, this method returns the | |
| 1148 | + * specified <code>Rectangle</code>. | |
| 1149 | + * @param r the rectangle where the current clipping area is | |
| 1150 | + * copied to. Any current values in this rectangle are | |
| 1151 | + * overwritten. | |
| 1152 | + * @return the bounding rectangle of the current clipping area. | |
| 1153 | + */ | |
| 1154 | + public Rectangle getClipBounds(Rectangle r) { | |
| 1155 | + return g.getClipBounds(r); | |
| 1156 | + } | |
| 1157 | +} | |