J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2007 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any 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 | } |