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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 | } | ||