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| 1 | /* | ||
| 2 | * Copyright (c) 2001, 2008, 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.java2d.pipe; | ||
| 27 | |||
| 28 | import java.awt.AlphaComposite; | ||
| 29 | import java.awt.Color; | ||
| 30 | import java.awt.Graphics2D; | ||
| 31 | import java.awt.Image; | ||
| 32 | import java.awt.Rectangle; | ||
| 33 | import java.awt.Transparency; | ||
| 34 | import java.awt.geom.AffineTransform; | ||
| 35 | import java.awt.geom.NoninvertibleTransformException; | ||
| 36 | import java.awt.image.AffineTransformOp; | ||
| 37 | import java.awt.image.BufferedImage; | ||
| 38 | import java.awt.image.BufferedImageOp; | ||
| 39 | import java.awt.image.ColorModel; | ||
| 40 | import java.awt.image.DataBuffer; | ||
| 41 | import java.awt.image.DirectColorModel; | ||
| 42 | import java.awt.image.ImageObserver; | ||
| 43 | import java.awt.image.IndexColorModel; | ||
| 44 | import java.awt.image.Raster; | ||
| 45 | import java.awt.image.VolatileImage; | ||
| 46 | import java.awt.image.WritableRaster; | ||
| 47 | import java.awt.image.ImagingOpException; | ||
| 48 | import sun.awt.SunHints; | ||
| 49 | import sun.awt.image.ImageRepresentation; | ||
| 50 | import sun.awt.image.ToolkitImage; | ||
| 51 | import sun.java2d.InvalidPipeException; | ||
| 52 | import sun.java2d.SunGraphics2D; | ||
| 53 | import sun.java2d.SurfaceData; | ||
| 54 | import sun.java2d.loops.Blit; | ||
| 55 | import sun.java2d.loops.BlitBg; | ||
| 56 | import sun.java2d.loops.TransformHelper; | ||
| 57 | import sun.java2d.loops.MaskBlit; | ||
| 58 | import sun.java2d.loops.CompositeType; | ||
| 59 | import sun.java2d.loops.ScaledBlit; | ||
| 60 | import sun.java2d.loops.SurfaceType; | ||
| 61 | |||
| 62 | public class DrawImage implements DrawImagePipe | ||
| 63 | { | ||
| 64 | public boolean copyImage(SunGraphics2D sg, Image img, | ||
| 65 | int x, int y, | ||
| 66 | Color bgColor) | ||
| 67 | { | ||
| 68 | int imgw = img.getWidth(null); | ||
| 69 | int imgh = img.getHeight(null); | ||
| 70 | if (isSimpleTranslate(sg)) { | ||
| 71 | return renderImageCopy(sg, img, bgColor, | ||
| 72 | x + sg.transX, y + sg.transY, | ||
| 73 | 0, 0, imgw, imgh); | ||
| 74 | } | ||
| 75 | AffineTransform atfm = sg.transform; | ||
| 76 | if ((x | y) != 0) { | ||
| 77 | atfm = new AffineTransform(atfm); | ||
| 78 | atfm.translate(x, y); | ||
| 79 | } | ||
| 80 | transformImage(sg, img, atfm, sg.interpolationType, | ||
| 81 | 0, 0, imgw, imgh, bgColor); | ||
| 82 | return true; | ||
| 83 | } | ||
| 84 | |||
| 85 | public boolean copyImage(SunGraphics2D sg, Image img, | ||
| 86 | int dx, int dy, int sx, int sy, int w, int h, | ||
| 87 | Color bgColor) | ||
| 88 | { | ||
| 89 | if (isSimpleTranslate(sg)) { | ||
| 90 | return renderImageCopy(sg, img, bgColor, | ||
| 91 | dx + sg.transX, dy + sg.transY, | ||
| 92 | sx, sy, w, h); | ||
| 93 | } | ||
| 94 | scaleImage(sg, img, dx, dy, (dx + w), (dy + h), | ||
| 95 | sx, sy, (sx + w), (sy + h), bgColor); | ||
| 96 | return true; | ||
| 97 | } | ||
| 98 | |||
| 99 | public boolean scaleImage(SunGraphics2D sg, Image img, int x, int y, | ||
| 100 | int width, int height, | ||
| 101 | Color bgColor) | ||
| 102 | { | ||
| 103 | int imgw = img.getWidth(null); | ||
| 104 | int imgh = img.getHeight(null); | ||
| 105 | // Only accelerate scale if: | ||
| 106 | // - w/h positive values | ||
| 107 | // - sg transform integer translate/identity only | ||
| 108 | // - no bgColor in operation | ||
| 109 | if ((width > 0) && (height > 0) && isSimpleTranslate(sg)) { | ||
| 110 | double dx1 = x + sg.transX; | ||
| 111 | double dy1 = y + sg.transY; | ||
| 112 | double dx2 = dx1 + width; | ||
| 113 | double dy2 = dy1 + height; | ||
| 114 | if (renderImageScale(sg, img, bgColor, sg.interpolationType, | ||
| 115 | 0, 0, imgw, imgh, | ||
| 116 | dx1, dy1, dx2, dy2)) | ||
| 117 | { | ||
| 118 | return true; | ||
| 119 | } | ||
| 120 | } | ||
| 121 | |||
| 122 | AffineTransform atfm = sg.transform; | ||
| 123 | if ((x | y) != 0 || width != imgw || height != imgh) { | ||
| 124 | atfm = new AffineTransform(atfm); | ||
| 125 | atfm.translate(x, y); | ||
| 126 | atfm.scale(((double)width)/imgw, ((double)height)/imgh); | ||
| 127 | } | ||
| 128 | transformImage(sg, img, atfm, sg.interpolationType, | ||
| 129 | 0, 0, imgw, imgh, bgColor); | ||
| 130 | return true; | ||
| 131 | } | ||
| 132 | |||
| 133 | /* | ||
| 134 | * This method is only called in those circumstances where the | ||
| 135 | * operation has a non-null secondary transform specfied. Its | ||
| 136 | * role is to check for various optimizations based on the types | ||
| 137 | * of both the secondary and SG2D transforms and to do some | ||
| 138 | * quick calculations to avoid having to combine the transforms | ||
| 139 | * and/or to call a more generalized method. | ||
| 140 | */ | ||
| 141 | protected void transformImage(SunGraphics2D sg, Image img, int x, int y, | ||
| 142 | AffineTransform extraAT, int interpType) | ||
| 143 | { | ||
| 144 | int txtype = extraAT.getType(); | ||
| 145 | int imgw = img.getWidth(null); | ||
| 146 | int imgh = img.getHeight(null); | ||
| 147 | boolean checkfinalxform; | ||
| 148 | |||
| 149 | if (sg.transformState <= sg.TRANSFORM_ANY_TRANSLATE && | ||
| 150 | (txtype == AffineTransform.TYPE_IDENTITY || | ||
| 151 | txtype == AffineTransform.TYPE_TRANSLATION)) | ||
| 152 | { | ||
| 153 | // First optimization - both are some kind of translate | ||
| 154 | |||
| 155 | // Combine the translations and check if interpolation is necessary. | ||
| 156 | double tx = extraAT.getTranslateX(); | ||
| 157 | double ty = extraAT.getTranslateY(); | ||
| 158 | tx += sg.transform.getTranslateX(); | ||
| 159 | ty += sg.transform.getTranslateY(); | ||
| 160 | int itx = (int) Math.floor(tx + 0.5); | ||
| 161 | int ity = (int) Math.floor(ty + 0.5); | ||
| 162 | if (interpType == AffineTransformOp.TYPE_NEAREST_NEIGHBOR || | ||
| 163 | (closeToInteger(itx, tx) && closeToInteger(ity, ty))) | ||
| 164 | { | ||
| 165 | renderImageCopy(sg, img, null, x+itx, y+ity, 0, 0, imgw, imgh); | ||
| 166 | return; | ||
| 167 | } | ||
| 168 | checkfinalxform = false; | ||
| 169 | } else if (sg.transformState <= sg.TRANSFORM_TRANSLATESCALE && | ||
| 170 | ((txtype & (AffineTransform.TYPE_FLIP | | ||
| 171 | AffineTransform.TYPE_MASK_ROTATION | | ||
| 172 | AffineTransform.TYPE_GENERAL_TRANSFORM)) == 0)) | ||
| 173 | { | ||
| 174 | // Second optimization - both are some kind of translate or scale | ||
| 175 | |||
| 176 | // Combine the scales and check if interpolation is necessary. | ||
| 177 | |||
| 178 | // Transform source bounds by extraAT, | ||
| 179 | // then translate the bounds again by x, y | ||
| 180 | // then transform the bounds again by sg.transform | ||
| 181 | double coords[] = new double[] { | ||
| 182 | 0, 0, imgw, imgh, | ||
| 183 | }; | ||
| 184 | extraAT.transform(coords, 0, coords, 0, 2); | ||
| 185 | coords[0] += x; | ||
| 186 | coords[1] += y; | ||
| 187 | coords[2] += x; | ||
| 188 | coords[3] += y; | ||
| 189 | sg.transform.transform(coords, 0, coords, 0, 2); | ||
| 190 | |||
| 191 | if (tryCopyOrScale(sg, img, 0, 0, imgw, imgh, | ||
| 192 | null, interpType, coords)) | ||
| 193 | { | ||
| 194 | return; | ||
| 195 | } | ||
| 196 | checkfinalxform = false; | ||
| 197 | } else { | ||
| 198 | checkfinalxform = true; | ||
| 199 | } | ||
| 200 | |||
| 201 | // Begin Transform | ||
| 202 | AffineTransform tx = new AffineTransform(sg.transform); | ||
| 203 | tx.translate(x, y); | ||
| 204 | tx.concatenate(extraAT); | ||
| 205 | |||
| 206 | // Do not try any more optimizations if either of the cases | ||
| 207 | // above was tried as we have already verified that the | ||
| 208 | // resulting transform will not simplify. | ||
| 209 | if (checkfinalxform) { | ||
| 210 | // In this case neither of the above simple transform | ||
| 211 | // pairs was found so we will do some final tests on | ||
| 212 | // the final rendering transform which may be the | ||
| 213 | // simple product of two complex transforms. | ||
| 214 | transformImage(sg, img, tx, interpType, 0, 0, imgw, imgh, null); | ||
| 215 | } else { | ||
| 216 | renderImageXform(sg, img, tx, interpType, 0, 0, imgw, imgh, null); | ||
| 217 | } | ||
| 218 | } | ||
| 219 | |||
| 220 | /* | ||
| 221 | * This method is called with a final rendering transform that | ||
| 222 | * has combined all of the information about the Graphics2D | ||
| 223 | * transform attribute with the transformations specified by | ||
| 224 | * the arguments to the drawImage call. | ||
| 225 | * Its role is to see if the combined transform ends up being | ||
| 226 | * acceleratable by either a renderImageCopy or renderImageScale | ||
| 227 | * once all of the math is done. | ||
| 228 | * | ||
| 229 | * Note: The transform supplied here has an origin that is | ||
| 230 | * already adjusted to point to the device location where | ||
| 231 | * the (sx1, sy1) location of the source image should be placed. | ||
| 232 | */ | ||
| 233 | protected void transformImage(SunGraphics2D sg, Image img, | ||
| 234 | AffineTransform tx, int interpType, | ||
| 235 | int sx1, int sy1, int sx2, int sy2, | ||
| 236 | Color bgColor) | ||
| 237 | { | ||
| 238 | // Transform 3 source corners by tx and analyze them | ||
| 239 | // for simplified operations (Copy or Scale). Using | ||
| 240 | // 3 points lets us analyze any kind of transform, | ||
| 241 | // even transforms that involve very tiny amounts of | ||
| 242 | // rotation or skew to see if they degenerate to a | ||
| 243 | // simple scale or copy operation within the allowable | ||
| 244 | // error bounds. | ||
| 245 | // Note that we use (0,0,w,h) instead of (sx1,sy1,sx2,sy2) | ||
| 246 | // because the transform is already translated such that | ||
| 247 | // the origin is where sx1, sy1 should go. | ||
| 248 | double coords[] = new double[6]; | ||
| 249 | /* index: 0 1 2 3 4 5 */ | ||
| 250 | /* coord: (0, 0), (w, h), (0, h) */ | ||
| 251 | coords[2] = sx2 - sx1; | ||
| 252 | coords[3] = coords[5] = sy2 - sy1; | ||
| 253 | tx.transform(coords, 0, coords, 0, 3); | ||
| 254 | // First test if the X coords of the transformed UL | ||
| 255 | // and LL points match and that the Y coords of the | ||
| 256 | // transformed LR and LL points also match. | ||
| 257 | // If they do then it is a "rectilinear" transform and | ||
| 258 | // tryCopyOrScale will make sure it is upright and | ||
| 259 | // integer-based. | ||
| 260 | if (Math.abs(coords[0] - coords[4]) < MAX_TX_ERROR && | ||
| 261 | Math.abs(coords[3] - coords[5]) < MAX_TX_ERROR && | ||
| 262 | tryCopyOrScale(sg, img, sx1, sy1, sx2, sy2, | ||
| 263 | bgColor, interpType, coords)) | ||
| 264 | { | ||
| 265 | return; | ||
| 266 | } | ||
| 267 | |||
| 268 | renderImageXform(sg, img, tx, interpType, sx1, sy1, sx2, sy2, bgColor); | ||
| 269 | } | ||
| 270 | |||
| 271 | /* | ||
| 272 | * Check the bounding coordinates of the transformed source | ||
| 273 | * image to see if they fall on integer coordinates such | ||
| 274 | * that they will cause no interpolation anomalies if we | ||
| 275 | * use our simplified Blit or ScaledBlit operations instead | ||
| 276 | * of a full transform operation. | ||
| 277 | */ | ||
| 278 | protected boolean tryCopyOrScale(SunGraphics2D sg, | ||
| 279 | Image img, | ||
| 280 | int sx1, int sy1, | ||
| 281 | int sx2, int sy2, | ||
| 282 | Color bgColor, int interpType, | ||
| 283 | double coords[]) | ||
| 284 | { | ||
| 285 | double dx = coords[0]; | ||
| 286 | double dy = coords[1]; | ||
| 287 | double dw = coords[2] - dx; | ||
| 288 | double dh = coords[3] - dy; | ||
| 289 | // First check if width and height are very close to img w&h. | ||
| 290 | if (closeToInteger(sx2-sx1, dw) && closeToInteger(sy2-sy1, dh)) { | ||
| 291 | // Round location to nearest pixel and then test | ||
| 292 | // if it will cause interpolation anomalies. | ||
| 293 | int idx = (int) Math.floor(dx + 0.5); | ||
| 294 | int idy = (int) Math.floor(dy + 0.5); | ||
| 295 | if (interpType == AffineTransformOp.TYPE_NEAREST_NEIGHBOR || | ||
| 296 | (closeToInteger(idx, dx) && closeToInteger(idy, dy))) | ||
| 297 | { | ||
| 298 | renderImageCopy(sg, img, bgColor, | ||
| 299 | idx, idy, | ||
| 300 | sx1, sy1, sx2-sx1, sy2-sy1); | ||
| 301 | return true; | ||
| 302 | } | ||
| 303 | } | ||
| 304 | // (For now) We can only use our ScaledBlits if the image | ||
| 305 | // is upright (i.e. dw & dh both > 0) | ||
| 306 | if (dw > 0 && dh > 0) { | ||
| 307 | if (renderImageScale(sg, img, bgColor, interpType, | ||
| 308 | sx1, sy1, sx2, sy2, | ||
| 309 | coords[0], coords[1], coords[2], coords[3])) | ||
| 310 | { | ||
| 311 | return true; | ||
| 312 | } | ||
| 313 | } | ||
| 314 | return false; | ||
| 315 | } | ||
| 316 | |||
| 317 | /* | ||
| 318 | * Return a BufferedImage of the requested type with the indicated | ||
| 319 | * subimage of the original image located at 0,0 in the new image. | ||
| 320 | * If a bgColor is supplied, composite the original image over that | ||
| 321 | * color with a SrcOver operation, otherwise make a SrcNoEa copy. | ||
| 322 | */ | ||
| 323 | BufferedImage makeBufferedImage(Image img, Color bgColor, int type, | ||
| 324 | int sx1, int sy1, int sx2, int sy2) | ||
| 325 | { | ||
| 326 | BufferedImage bimg = new BufferedImage(sx2-sx1, sy2-sy1, type); | ||
| 327 | Graphics2D g2d = bimg.createGraphics(); | ||
| 328 | g2d.setComposite(AlphaComposite.Src); | ||
| 329 | if (bgColor != null) { | ||
| 330 | g2d.setColor(bgColor); | ||
| 331 | g2d.fillRect(0, 0, sx2-sx1, sy2-sy1); | ||
| 332 | g2d.setComposite(AlphaComposite.SrcOver); | ||
| 333 | } | ||
| 334 | g2d.drawImage(img, -sx1, -sy1, null); | ||
| 335 | g2d.dispose(); | ||
| 336 | return bimg; | ||
| 337 | } | ||
| 338 | |||
| 339 | protected void renderImageXform(SunGraphics2D sg, Image img, | ||
| 340 | AffineTransform tx, int interpType, | ||
| 341 | int sx1, int sy1, int sx2, int sy2, | ||
| 342 | Color bgColor) | ||
| 343 | { | ||
| 344 | Region clip = sg.getCompClip(); | ||
| 345 | SurfaceData dstData = sg.surfaceData; | ||
| 346 | SurfaceData srcData = dstData.getSourceSurfaceData(img, | ||
| 347 | sg.TRANSFORM_GENERIC, | ||
| 348 | sg.imageComp, | ||
| 349 | bgColor); | ||
| 350 | |||
| 351 | if (srcData == null) { | ||
| 352 | img = getBufferedImage(img); | ||
| 353 | srcData = dstData.getSourceSurfaceData(img, | ||
| 354 | sg.TRANSFORM_GENERIC, | ||
| 355 | sg.imageComp, | ||
| 356 | bgColor); | ||
| 357 | if (srcData == null) { | ||
| 358 | // REMIND: Is this correct? Can this happen? | ||
| 359 | return; | ||
| 360 | } | ||
| 361 | } | ||
| 362 | |||
| 363 | if (isBgOperation(srcData, bgColor)) { | ||
| 364 | // We cannot perform bg operations during transform so make | ||
| 365 | // an opaque temp image with the appropriate background | ||
| 366 | // and work from there. | ||
| 367 | img = makeBufferedImage(img, bgColor, BufferedImage.TYPE_INT_RGB, | ||
| 368 | sx1, sy1, sx2, sy2); | ||
| 369 | // Temp image has appropriate subimage at 0,0 now. | ||
| 370 | sx2 -= sx1; | ||
| 371 | sy2 -= sy1; | ||
| 372 | sx1 = sy1 = 0; | ||
| 373 | |||
| 374 | srcData = dstData.getSourceSurfaceData(img, | ||
| 375 | sg.TRANSFORM_GENERIC, | ||
| 376 | sg.imageComp, | ||
| 377 | bgColor); | ||
| 378 | } | ||
| 379 | |||
| 380 | SurfaceType srcType = srcData.getSurfaceType(); | ||
| 381 | TransformHelper helper = TransformHelper.getFromCache(srcType); | ||
| 382 | |||
| 383 | if (helper == null) { | ||
| 384 | /* We have no helper for this source image type. | ||
| 385 | * But we know that we do have helpers for both RGB and ARGB, | ||
| 386 | * so convert to one of those types depending on transparency. | ||
| 387 | * ARGB_PRE might be a better choice if the source image has | ||
| 388 | * alpha, but it may cause some recursion here since we only | ||
| 389 | * tend to have converters that convert to ARGB. | ||
| 390 | */ | ||
| 391 | int type = ((srcData.getTransparency() == Transparency.OPAQUE) | ||
| 392 | ? BufferedImage.TYPE_INT_RGB | ||
| 393 | : BufferedImage.TYPE_INT_ARGB); | ||
| 394 | img = makeBufferedImage(img, null, type, sx1, sy1, sx2, sy2); | ||
| 395 | // Temp image has appropriate subimage at 0,0 now. | ||
| 396 | sx2 -= sx1; | ||
| 397 | sy2 -= sy1; | ||
| 398 | sx1 = sy1 = 0; | ||
| 399 | |||
| 400 | srcData = dstData.getSourceSurfaceData(img, | ||
| 401 | sg.TRANSFORM_GENERIC, | ||
| 402 | sg.imageComp, | ||
| 403 | null); | ||
| 404 | srcType = srcData.getSurfaceType(); | ||
| 405 | helper = TransformHelper.getFromCache(srcType); | ||
| 406 | // assert(helper != null); | ||
| 407 | } | ||
| 408 | |||
| 409 | AffineTransform itx; | ||
| 410 | try { | ||
| 411 | itx = tx.createInverse(); | ||
| 412 | } catch (NoninvertibleTransformException e) { | ||
| 413 | // Non-invertible transform means no output | ||
| 414 | return; | ||
| 415 | } | ||
| 416 | |||
| 417 | /* | ||
| 418 | * Find the maximum bounds on the destination that will be | ||
| 419 | * affected by the transformed source. First, transform all | ||
| 420 | * four corners of the source and then min and max the resulting | ||
| 421 | * destination coordinates of the transformed corners. | ||
| 422 | * Note that tx already has the offset to sx1,sy1 accounted | ||
| 423 | * for so we use the box (0, 0, sx2-sx1, sy2-sy1) as the | ||
| 424 | * source coordinates. | ||
| 425 | */ | ||
| 426 | double coords[] = new double[8]; | ||
| 427 | /* corner: UL UR LL LR */ | ||
| 428 | /* index: 0 1 2 3 4 5 6 7 */ | ||
| 429 | /* coord: (0, 0), (w, 0), (0, h), (w, h) */ | ||
| 430 | coords[2] = coords[6] = sx2 - sx1; | ||
| 431 | coords[5] = coords[7] = sy2 - sy1; | ||
| 432 | tx.transform(coords, 0, coords, 0, 4); | ||
| 433 | double ddx1, ddy1, ddx2, ddy2; | ||
| 434 | ddx1 = ddx2 = coords[0]; | ||
| 435 | ddy1 = ddy2 = coords[1]; | ||
| 436 | for (int i = 2; i < coords.length; i += 2) { | ||
| 437 | double d = coords[i]; | ||
| 438 | if (ddx1 > d) ddx1 = d; | ||
| 439 | else if (ddx2 < d) ddx2 = d; | ||
| 440 | d = coords[i+1]; | ||
| 441 | if (ddy1 > d) ddy1 = d; | ||
| 442 | else if (ddy2 < d) ddy2 = d; | ||
| 443 | } | ||
| 444 | int dx1 = (int) Math.floor(ddx1); | ||
| 445 | int dy1 = (int) Math.floor(ddy1); | ||
| 446 | int dx2 = (int) Math.ceil(ddx2); | ||
| 447 | int dy2 = (int) Math.ceil(ddy2); | ||
| 448 | |||
| 449 | SurfaceType dstType = dstData.getSurfaceType(); | ||
| 450 | MaskBlit maskblit; | ||
| 451 | Blit blit; | ||
| 452 | if (sg.compositeState <= sg.COMP_ALPHA) { | ||
| 453 | /* NOTE: We either have, or we can make, | ||
| 454 | * a MaskBlit for any alpha composite type | ||
| 455 | */ | ||
| 456 | maskblit = MaskBlit.getFromCache(SurfaceType.IntArgbPre, | ||
| 457 | sg.imageComp, | ||
| 458 | dstType); | ||
| 459 | |||
| 460 | /* NOTE: We can only use the native TransformHelper | ||
| 461 | * func to go directly to the dest if both the helper | ||
| 462 | * and the MaskBlit are native. | ||
| 463 | * All helpers are native at this point, but some MaskBlit | ||
| 464 | * objects are implemented in Java, so we need to check. | ||
| 465 | */ | ||
| 466 | if (maskblit.getNativePrim() != 0) { | ||
| 467 | // We can render directly. | ||
| 468 | helper.Transform(maskblit, srcData, dstData, | ||
| 469 | sg.composite, clip, | ||
| 470 | itx, interpType, | ||
| 471 | sx1, sy1, sx2, sy2, | ||
| 472 | dx1, dy1, dx2, dy2, | ||
| 473 | null, 0, 0); | ||
| 474 | return; | ||
| 475 | } | ||
| 476 | blit = null; | ||
| 477 | } else { | ||
| 478 | /* NOTE: We either have, or we can make, | ||
| 479 | * a Blit for any composite type, even Custom | ||
| 480 | */ | ||
| 481 | maskblit = null; | ||
| 482 | blit = Blit.getFromCache(SurfaceType.IntArgbPre, | ||
| 483 | sg.imageComp, | ||
| 484 | dstType); | ||
| 485 | } | ||
| 486 | |||
| 487 | // We need to transform to a temp image and then copy | ||
| 488 | // just the pieces that are valid data to the dest. | ||
| 489 | BufferedImage tmpimg = new BufferedImage(dx2-dx1, dy2-dy1, | ||
| 490 | BufferedImage.TYPE_INT_ARGB); | ||
| 491 | SurfaceData tmpData = SurfaceData.getPrimarySurfaceData(tmpimg); | ||
| 492 | SurfaceType tmpType = tmpData.getSurfaceType(); | ||
| 493 | MaskBlit tmpmaskblit = | ||
| 494 | MaskBlit.getFromCache(SurfaceType.IntArgbPre, | ||
| 495 | CompositeType.SrcNoEa, | ||
| 496 | tmpType); | ||
| 497 | /* | ||
| 498 | * The helper function fills a temporary edges buffer | ||
| 499 | * for us with the bounding coordinates of each scanline | ||
| 500 | * in the following format: | ||
| 501 | * | ||
| 502 | * edges[0, 1] = [top y, bottom y) | ||
| 503 | * edges[2, 3] = [left x, right x) of top row | ||
| 504 | * ... | ||
| 505 | * edges[h*2, h*2+1] = [left x, right x) of bottom row | ||
| 506 | * | ||
| 507 | * all coordinates in the edges array will be relative to dx1, dy1 | ||
| 508 | * | ||
| 509 | * edges thus has to be h*2+2 in length | ||
| 510 | */ | ||
| 511 | int edges[] = new int[(dy2-dy1)*2+2]; | ||
| 512 | // It is important that edges[0]=edges[1]=0 when we call | ||
| 513 | // Transform in case it must return early and we would | ||
| 514 | // not want to render anything on an error condition. | ||
| 515 | helper.Transform(tmpmaskblit, srcData, tmpData, | ||
| 516 | AlphaComposite.Src, null, | ||
| 517 | itx, interpType, | ||
| 518 | sx1, sy1, sx2, sy2, | ||
| 519 | 0, 0, dx2-dx1, dy2-dy1, | ||
| 520 | edges, dx1, dy1); | ||
| 521 | |||
| 522 | /* | ||
| 523 | * Now copy the results, scanline by scanline, into the dest. | ||
| 524 | * The edges array helps us minimize the work. | ||
| 525 | */ | ||
| 526 | int index = 2; | ||
| 527 | for (int y = edges[0]; y < edges[1]; y++) { | ||
| 528 | int relx1 = edges[index++]; | ||
| 529 | int relx2 = edges[index++]; | ||
| 530 | if (relx1 >= relx2) { | ||
| 531 | continue; | ||
| 532 | } | ||
| 533 | if (maskblit != null) { | ||
| 534 | maskblit.MaskBlit(tmpData, dstData, | ||
| 535 | sg.composite, clip, | ||
| 536 | relx1, y, | ||
| 537 | dx1+relx1, dy1+y, | ||
| 538 | relx2 - relx1, 1, | ||
| 539 | null, 0, 0); | ||
| 540 | } else { | ||
| 541 | blit.Blit(tmpData, dstData, | ||
| 542 | sg.composite, clip, | ||
| 543 | relx1, y, | ||
| 544 | dx1+relx1, dy1+y, | ||
| 545 | relx2 - relx1, 1); | ||
| 546 | } | ||
| 547 | } | ||
| 548 | } | ||
| 549 | |||
| 550 | // Render an image using only integer translation | ||
| 551 | // (no scale or transform or sub-pixel interpolated translations). | ||
| 552 | protected boolean renderImageCopy(SunGraphics2D sg, Image img, | ||
| 553 | Color bgColor, | ||
| 554 | int dx, int dy, | ||
| 555 | int sx, int sy, | ||
| 556 | int w, int h) | ||
| 557 | { | ||
| 558 | Region clip = sg.getCompClip(); | ||
| 559 | SurfaceData dstData = sg.surfaceData; | ||
| 560 | |||
| 561 | int attempts = 0; | ||
| 562 | // Loop up to twice through; this gives us a chance to | ||
| 563 | // revalidate the surfaceData objects in case of an exception | ||
| 564 | // and try it once more | ||
| 565 | while (true) { | ||
| 566 | SurfaceData srcData = | ||
| 567 | dstData.getSourceSurfaceData(img, | ||
| 568 | sg.TRANSFORM_ISIDENT, | ||
| 569 | sg.imageComp, | ||
| 570 | bgColor); | ||
| 571 | if (srcData == null) { | ||
| 572 | return false; | ||
| 573 | } | ||
| 574 | |||
| 575 | try { | ||
| 576 | SurfaceType srcType = srcData.getSurfaceType(); | ||
| 577 | SurfaceType dstType = dstData.getSurfaceType(); | ||
| 578 | blitSurfaceData(sg, clip, | ||
| 579 | srcData, dstData, srcType, dstType, | ||
| 580 | sx, sy, dx, dy, w, h, bgColor); | ||
| 581 | return true; | ||
| 582 | } catch (NullPointerException e) { | ||
| 583 | if (!(SurfaceData.isNull(dstData) || | ||
| 584 | SurfaceData.isNull(srcData))) | ||
| 585 | { | ||
| 586 | // Something else caused the exception, throw it... | ||
| 587 | throw e; | ||
| 588 | } | ||
| 589 | return false; | ||
| 590 | // NOP if we have been disposed | ||
| 591 | } catch (InvalidPipeException e) { | ||
| 592 | // Always catch the exception; try this a couple of times | ||
| 593 | // and fail silently if the system is not yet ready to | ||
| 594 | // revalidate the source or dest surfaceData objects. | ||
| 595 | ++attempts; | ||
| 596 | clip = sg.getCompClip(); // ensures sg.surfaceData is valid | ||
| 597 | dstData = sg.surfaceData; | ||
| 598 | if (SurfaceData.isNull(dstData) || | ||
| 599 | SurfaceData.isNull(srcData) || (attempts > 1)) | ||
| 600 | { | ||
| 601 | return false; | ||
| 602 | } | ||
| 603 | } | ||
| 604 | } | ||
| 605 | } | ||
| 606 | |||
| 607 | // Render an image using only integer scaling (no transform). | ||
| 608 | protected boolean renderImageScale(SunGraphics2D sg, Image img, | ||
| 609 | Color bgColor, int interpType, | ||
| 610 | int sx1, int sy1, | ||
| 611 | int sx2, int sy2, | ||
| 612 | double dx1, double dy1, | ||
| 613 | double dx2, double dy2) | ||
| 614 | { | ||
| 615 | // Currently only NEAREST_NEIGHBOR interpolation is implemented | ||
| 616 | // for ScaledBlit operations. | ||
| 617 | if (interpType != AffineTransformOp.TYPE_NEAREST_NEIGHBOR) { | ||
| 618 | return false; | ||
| 619 | } | ||
| 620 | |||
| 621 | Region clip = sg.getCompClip(); | ||
| 622 | SurfaceData dstData = sg.surfaceData; | ||
| 623 | |||
| 624 | int attempts = 0; | ||
| 625 | // Loop up to twice through; this gives us a chance to | ||
| 626 | // revalidate the surfaceData objects in case of an exception | ||
| 627 | // and try it once more | ||
| 628 | while (true) { | ||
| 629 | SurfaceData srcData = | ||
| 630 | dstData.getSourceSurfaceData(img, | ||
| 631 | sg.TRANSFORM_TRANSLATESCALE, | ||
| 632 | sg.imageComp, | ||
| 633 | bgColor); | ||
| 634 | |||
| 635 | if (srcData == null || isBgOperation(srcData, bgColor)) { | ||
| 636 | return false; | ||
| 637 | } | ||
| 638 | |||
| 639 | try { | ||
| 640 | SurfaceType srcType = srcData.getSurfaceType(); | ||
| 641 | SurfaceType dstType = dstData.getSurfaceType(); | ||
| 642 | return scaleSurfaceData(sg, clip, | ||
| 643 | srcData, dstData, srcType, dstType, | ||
| 644 | sx1, sy1, sx2, sy2, | ||
| 645 | dx1, dy1, dx2, dy2); | ||
| 646 | } catch (NullPointerException e) { | ||
| 647 | if (!SurfaceData.isNull(dstData)) { | ||
| 648 | // Something else caused the exception, throw it... | ||
| 649 | throw e; | ||
| 650 | } | ||
| 651 | return false; | ||
| 652 | // NOP if we have been disposed | ||
| 653 | } catch (InvalidPipeException e) { | ||
| 654 | // Always catch the exception; try this a couple of times | ||
| 655 | // and fail silently if the system is not yet ready to | ||
| 656 | // revalidate the source or dest surfaceData objects. | ||
| 657 | ++attempts; | ||
| 658 | clip = sg.getCompClip(); // ensures sg.surfaceData is valid | ||
| 659 | dstData = sg.surfaceData; | ||
| 660 | if (SurfaceData.isNull(dstData) || | ||
| 661 | SurfaceData.isNull(srcData) || (attempts > 1)) | ||
| 662 | { | ||
| 663 | return false; | ||
| 664 | } | ||
| 665 | } | ||
| 666 | } | ||
| 667 | } | ||
| 668 | |||
| 669 | public boolean scaleImage(SunGraphics2D sg, Image img, | ||
| 670 | int dx1, int dy1, int dx2, int dy2, | ||
| 671 | int sx1, int sy1, int sx2, int sy2, | ||
| 672 | Color bgColor) | ||
| 673 | { | ||
| 674 | int srcW, srcH, dstW, dstH; | ||
| 675 | int srcX, srcY, dstX, dstY; | ||
| 676 | boolean srcWidthFlip = false; | ||
| 677 | boolean srcHeightFlip = false; | ||
| 678 | boolean dstWidthFlip = false; | ||
| 679 | boolean dstHeightFlip = false; | ||
| 680 | |||
| 681 | if (sx2 > sx1) { | ||
| 682 | srcW = sx2 - sx1; | ||
| 683 | srcX = sx1; | ||
| 684 | } else { | ||
| 685 | srcWidthFlip = true; | ||
| 686 | srcW = sx1 - sx2; | ||
| 687 | srcX = sx2; | ||
| 688 | } | ||
| 689 | if (sy2 > sy1) { | ||
| 690 | srcH = sy2-sy1; | ||
| 691 | srcY = sy1; | ||
| 692 | } else { | ||
| 693 | srcHeightFlip = true; | ||
| 694 | srcH = sy1-sy2; | ||
| 695 | srcY = sy2; | ||
| 696 | } | ||
| 697 | if (dx2 > dx1) { | ||
| 698 | dstW = dx2 - dx1; | ||
| 699 | dstX = dx1; | ||
| 700 | } else { | ||
| 701 | dstW = dx1 - dx2; | ||
| 702 | dstWidthFlip = true; | ||
| 703 | dstX = dx2; | ||
| 704 | } | ||
| 705 | if (dy2 > dy1) { | ||
| 706 | dstH = dy2 - dy1; | ||
| 707 | dstY = dy1; | ||
| 708 | } else { | ||
| 709 | dstH = dy1 - dy2; | ||
| 710 | dstHeightFlip = true; | ||
| 711 | dstY = dy2; | ||
| 712 | } | ||
| 713 | if (srcW <= 0 || srcH <= 0) { | ||
| 714 | return true; | ||
| 715 | } | ||
| 716 | // Only accelerate scale if it does not involve a flip or transform | ||
| 717 | if ((srcWidthFlip == dstWidthFlip) && | ||
| 718 | (srcHeightFlip == dstHeightFlip) && | ||
| 719 | isSimpleTranslate(sg)) | ||
| 720 | { | ||
| 721 | double ddx1 = dstX + sg.transX; | ||
| 722 | double ddy1 = dstY + sg.transY; | ||
| 723 | double ddx2 = ddx1 + dstW; | ||
| 724 | double ddy2 = ddy1 + dstH; | ||
| 725 | if (renderImageScale(sg, img, bgColor, sg.interpolationType, | ||
| 726 | srcX, srcY, srcX+srcW, srcY+srcH, | ||
| 727 | ddx1, ddy1, ddx2, ddy2)) | ||
| 728 | { | ||
| 729 | return true; | ||
| 730 | } | ||
| 731 | } | ||
| 732 | |||
| 733 | AffineTransform atfm = new AffineTransform(sg.transform); | ||
| 734 | atfm.translate(dx1, dy1); | ||
| 735 | double m00 = (double)(dx2-dx1)/(sx2-sx1); | ||
| 736 | double m11 = (double)(dy2-dy1)/(sy2-sy1); | ||
| 737 | atfm.scale(m00, m11); | ||
| 738 | atfm.translate(srcX-sx1, srcY-sy1); | ||
| 739 | |||
| 740 | int imgW = img.getWidth(null); | ||
| 741 | int imgH = img.getHeight(null); | ||
| 742 | srcW += srcX; | ||
| 743 | srcH += srcY; | ||
| 744 | // Make sure we are not out of bounds | ||
| 745 | if (srcW > imgW) { | ||
| 746 | srcW = imgW; | ||
| 747 | } | ||
| 748 | if (srcH > imgH) { | ||
| 749 | srcH = imgH; | ||
| 750 | } | ||
| 751 | if (srcX < 0) { | ||
| 752 | atfm.translate(-srcX, 0); | ||
| 753 | srcX = 0; | ||
| 754 | } | ||
| 755 | if (srcY < 0) { | ||
| 756 | atfm.translate(0, -srcY); | ||
| 757 | srcY = 0; | ||
| 758 | } | ||
| 759 | if (srcX >= srcW || srcY >= srcH) { | ||
| 760 | return true; | ||
| 761 | } | ||
| 762 | // Note: src[WH] are currently the right and bottom coordinates. | ||
| 763 | // The following two lines would adjust src[WH] back to being | ||
| 764 | // dimensions. | ||
| 765 | // srcW -= srcX; | ||
| 766 | // srcH -= srcY; | ||
| 767 | // Since transformImage needs right and bottom coords we will | ||
| 768 | // omit this adjustment. | ||
| 769 | |||
| 770 | transformImage(sg, img, atfm, sg.interpolationType, | ||
| 771 | srcX, srcY, srcW, srcH, bgColor); | ||
| 772 | return true; | ||
| 773 | } | ||
| 774 | |||
| 775 | /** | ||
| 776 | ** Utilities | ||
| 777 | ** The following methods are used by the public methods above | ||
| 778 | ** for performing various operations | ||
| 779 | **/ | ||
| 780 | |||
| 781 | /* | ||
| 782 | * This constant represents a tradeoff between the | ||
| 783 | * need to make sure that image transformations are | ||
| 784 | * "very close" to integer device coordinates before | ||
| 785 | * we decide to use an integer scale or copy operation | ||
| 786 | * as a substitute and the fact that roundoff errors | ||
| 787 | * in AffineTransforms are frequently introduced by | ||
| 788 | * performing multiple sequential operations on them. | ||
| 789 | * | ||
| 790 | * The evaluation of bug 4990624 details the potential | ||
| 791 | * for this error cutoff to result in display anomalies | ||
| 792 | * in different types of image operations and how this | ||
| 793 | * value represents a good compromise here. | ||
| 794 | */ | ||
| 795 | private static final double MAX_TX_ERROR = .0001; | ||
| 796 | |||
| 797 | public static boolean closeToInteger(int i, double d) { | ||
| 798 | return (Math.abs(d-i) < MAX_TX_ERROR); | ||
| 799 | } | ||
| 800 | |||
| 801 | public static boolean isSimpleTranslate(SunGraphics2D sg) { | ||
| 802 | int ts = sg.transformState; | ||
| 803 | if (ts <= sg.TRANSFORM_INT_TRANSLATE) { | ||
| 804 | // Integer translates are always "simple" | ||
| 805 | return true; | ||
| 806 | } | ||
| 807 | if (ts >= sg.TRANSFORM_TRANSLATESCALE) { | ||
| 808 | // Scales and beyond are always "not simple" | ||
| 809 | return false; | ||
| 810 | } | ||
| 811 | // non-integer translates are only simple when not interpolating | ||
| 812 | if (sg.interpolationType == AffineTransformOp.TYPE_NEAREST_NEIGHBOR) { | ||
| 813 | return true; | ||
| 814 | } | ||
| 815 | return false; | ||
| 816 | } | ||
| 817 | |||
| 818 | protected static boolean isBgOperation(SurfaceData srcData, Color bgColor) { | ||
| 819 | // If we cannot get the srcData, then cannot assume anything about | ||
| 820 | // the image | ||
| 821 | return ((srcData == null) || | ||
| 822 | ((bgColor != null) && | ||
| 823 | (srcData.getTransparency() != Transparency.OPAQUE))); | ||
| 824 | } | ||
| 825 | |||
| 826 | protected BufferedImage getBufferedImage(Image img) { | ||
| 827 | if (img instanceof BufferedImage) { | ||
| 828 | return (BufferedImage)img; | ||
| 829 | } | ||
| 830 | // Must be VolatileImage; get BufferedImage representation | ||
| 831 | return ((VolatileImage)img).getSnapshot(); | ||
| 832 | } | ||
| 833 | |||
| 834 | /* | ||
| 835 | * Return the color model to be used with this BufferedImage and | ||
| 836 | * transform. | ||
| 837 | */ | ||
| 838 | private ColorModel getTransformColorModel(SunGraphics2D sg, | ||
| 839 | BufferedImage bImg, | ||
| 840 | AffineTransform tx) { | ||
| 841 | ColorModel cm = bImg.getColorModel(); | ||
| 842 | ColorModel dstCM = cm; | ||
| 843 | |||
| 844 | if (tx.isIdentity()) { | ||
| 845 | return dstCM; | ||
| 846 | } | ||
| 847 | int type = tx.getType(); | ||
| 848 | boolean needTrans = | ||
| 849 | ((type&(tx.TYPE_MASK_ROTATION|tx.TYPE_GENERAL_TRANSFORM)) != 0); | ||
| 850 | if (! needTrans && type != tx.TYPE_TRANSLATION && type != tx.TYPE_IDENTITY) | ||
| 851 | { | ||
| 852 | double[] mtx = new double[4]; | ||
| 853 | tx.getMatrix(mtx); | ||
| 854 | // Check out the matrix. A non-integral scale will force ARGB | ||
| 855 | // since the edge conditions cannot be guaranteed. | ||
| 856 | needTrans = (mtx[0] != (int)mtx[0] || mtx[3] != (int)mtx[3]); | ||
| 857 | } | ||
| 858 | |||
| 859 | if (sg.renderHint != SunHints.INTVAL_RENDER_QUALITY) { | ||
| 860 | if (cm instanceof IndexColorModel) { | ||
| 861 | Raster raster = bImg.getRaster(); | ||
| 862 | IndexColorModel icm = (IndexColorModel) cm; | ||
| 863 | // Just need to make sure that we have a transparent pixel | ||
| 864 | if (needTrans && cm.getTransparency() == cm.OPAQUE) { | ||
| 865 | // Fix 4221407 | ||
| 866 | if (raster instanceof sun.awt.image.BytePackedRaster) { | ||
| 867 | dstCM = ColorModel.getRGBdefault(); | ||
| 868 | } | ||
| 869 | else { | ||
| 870 | double[] matrix = new double[6]; | ||
| 871 | tx.getMatrix(matrix); | ||
| 872 | if (matrix[1] == 0. && matrix[2] ==0. | ||
| 873 | && matrix[4] == 0. && matrix[5] == 0.) { | ||
| 874 | // Only scaling so do not need to create | ||
| 875 | } | ||
| 876 | else { | ||
| 877 | int mapSize = icm.getMapSize(); | ||
| 878 | if (mapSize < 256) { | ||
| 879 | int[] cmap = new int[mapSize+1]; | ||
| 880 | icm.getRGBs(cmap); | ||
| 881 | cmap[mapSize] = 0x0000; | ||
| 882 | dstCM = new | ||
| 883 | IndexColorModel(icm.getPixelSize(), | ||
| 884 | mapSize+1, | ||
| 885 | cmap, 0, true, mapSize, | ||
| 886 | DataBuffer.TYPE_BYTE); | ||
| 887 | } | ||
| 888 | else { | ||
| 889 | dstCM = ColorModel.getRGBdefault(); | ||
| 890 | } | ||
| 891 | } /* if (matrix[0] < 1.f ...) */ | ||
| 892 | } /* raster instanceof sun.awt.image.BytePackedRaster */ | ||
| 893 | } /* if (cm.getTransparency() == cm.OPAQUE) */ | ||
| 894 | } /* if (cm instanceof IndexColorModel) */ | ||
| 895 | else if (needTrans && cm.getTransparency() == cm.OPAQUE) { | ||
| 896 | // Need a bitmask transparency | ||
| 897 | // REMIND: for now, use full transparency since no loops | ||
| 898 | // for bitmask | ||
| 899 | dstCM = ColorModel.getRGBdefault(); | ||
| 900 | } | ||
| 901 | } /* if (sg.renderHint == RENDER_QUALITY) */ | ||
| 902 | else { | ||
| 903 | |||
| 904 | if (cm instanceof IndexColorModel || | ||
| 905 | (needTrans && cm.getTransparency() == cm.OPAQUE)) | ||
| 906 | { | ||
| 907 | // Need a bitmask transparency | ||
| 908 | // REMIND: for now, use full transparency since no loops | ||
| 909 | // for bitmask | ||
| 910 | dstCM = ColorModel.getRGBdefault(); | ||
| 911 | } | ||
| 912 | } | ||
| 913 | |||
| 914 | return dstCM; | ||
| 915 | } | ||
| 916 | |||
| 917 | protected void blitSurfaceData(SunGraphics2D sg, | ||
| 918 | Region clipRegion, | ||
| 919 | SurfaceData srcData, | ||
| 920 | SurfaceData dstData, | ||
| 921 | SurfaceType srcType, | ||
| 922 | SurfaceType dstType, | ||
| 923 | int sx, int sy, int dx, int dy, | ||
| 924 | int w, int h, | ||
| 925 | Color bgColor) | ||
| 926 | { | ||
| 927 | if (w <= 0 || h <= 0) { | ||
| 928 | /* | ||
| 929 | * Fix for bugid 4783274 - BlitBg throws an exception for | ||
| 930 | * a particular set of anomalous parameters. | ||
| 931 | * REMIND: The native loops do proper clipping and would | ||
| 932 | * detect this situation themselves, but the Java loops | ||
| 933 | * all seem to trust their parameters a little too well | ||
| 934 | * to the point where they will try to process a negative | ||
| 935 | * area of pixels and throw exceptions. The real fix is | ||
| 936 | * to modify the Java loops to do proper clipping so that | ||
| 937 | * they can deal with negative dimensions as well as | ||
| 938 | * improperly large dimensions, but that fix is too risky | ||
| 939 | * to integrate for Mantis at this point. In the meantime | ||
| 940 | * eliminating the negative or zero dimensions here is | ||
| 941 | * "correct" and saves them from some nasty exceptional | ||
| 942 | * conditions, one of which is the test case of 4783274. | ||
| 943 | */ | ||
| 944 | return; | ||
| 945 | } | ||
| 946 | CompositeType comp = sg.imageComp; | ||
| 947 | if (CompositeType.SrcOverNoEa.equals(comp) && | ||
| 948 | (srcData.getTransparency() == Transparency.OPAQUE || | ||
| 949 | (bgColor != null && | ||
| 950 | bgColor.getTransparency() == Transparency.OPAQUE))) | ||
| 951 | { | ||
| 952 | comp = CompositeType.SrcNoEa; | ||
| 953 | } | ||
| 954 | if (!isBgOperation(srcData, bgColor)) { | ||
| 955 | Blit blit = Blit.getFromCache(srcType, comp, dstType); | ||
| 956 | blit.Blit(srcData, dstData, sg.composite, clipRegion, | ||
| 957 | sx, sy, dx, dy, w, h); | ||
| 958 | } else { | ||
| 959 | BlitBg blit = BlitBg.getFromCache(srcType, comp, dstType); | ||
| 960 | blit.BlitBg(srcData, dstData, sg.composite, clipRegion, | ||
| 961 | bgColor.getRGB(), sx, sy, dx, dy, w, h); | ||
| 962 | } | ||
| 963 | } | ||
| 964 | |||
| 965 | protected boolean scaleSurfaceData(SunGraphics2D sg, | ||
| 966 | Region clipRegion, | ||
| 967 | SurfaceData srcData, | ||
| 968 | SurfaceData dstData, | ||
| 969 | SurfaceType srcType, | ||
| 970 | SurfaceType dstType, | ||
| 971 | int sx1, int sy1, | ||
| 972 | int sx2, int sy2, | ||
| 973 | double dx1, double dy1, | ||
| 974 | double dx2, double dy2) | ||
| 975 | { | ||
| 976 | CompositeType comp = sg.imageComp; | ||
| 977 | if (CompositeType.SrcOverNoEa.equals(comp) && | ||
| 978 | (srcData.getTransparency() == Transparency.OPAQUE)) | ||
| 979 | { | ||
| 980 | comp = CompositeType.SrcNoEa; | ||
| 981 | } | ||
| 982 | |||
| 983 | ScaledBlit blit = ScaledBlit.getFromCache(srcType, comp, dstType); | ||
| 984 | if (blit != null) { | ||
| 985 | blit.Scale(srcData, dstData, sg.composite, clipRegion, | ||
| 986 | sx1, sy1, sx2, sy2, dx1, dy1, dx2, dy2); | ||
| 987 | return true; | ||
| 988 | } | ||
| 989 | return false; | ||
| 990 | } | ||
| 991 | |||
| 992 | protected static boolean imageReady(ToolkitImage sunimg, | ||
| 993 | ImageObserver observer) | ||
| 994 | { | ||
| 995 | if (sunimg.hasError()) { | ||
| 996 | if (observer != null) { | ||
| 997 | observer.imageUpdate(sunimg, | ||
| 998 | ImageObserver.ERROR|ImageObserver.ABORT, | ||
| 999 | -1, -1, -1, -1); | ||
| 1000 | } | ||
| 1001 | return false; | ||
| 1002 | } | ||
| 1003 | return true; | ||
| 1004 | } | ||
| 1005 | |||
| 1006 | public boolean copyImage(SunGraphics2D sg, Image img, | ||
| 1007 | int x, int y, | ||
| 1008 | Color bgColor, | ||
| 1009 | ImageObserver observer) { | ||
| 1010 | if (!(img instanceof ToolkitImage)) { | ||
| 1011 | return copyImage(sg, img, x, y, bgColor); | ||
| 1012 | } else { | ||
| 1013 | ToolkitImage sunimg = (ToolkitImage)img; | ||
| 1014 | if (!imageReady(sunimg, observer)) { | ||
| 1015 | return false; | ||
| 1016 | } | ||
| 1017 | ImageRepresentation ir = sunimg.getImageRep(); | ||
| 1018 | return ir.drawToBufImage(sg, sunimg, x, y, bgColor, observer); | ||
| 1019 | } | ||
| 1020 | } | ||
| 1021 | |||
| 1022 | public boolean copyImage(SunGraphics2D sg, Image img, | ||
| 1023 | int dx, int dy, int sx, int sy, int w, int h, | ||
| 1024 | Color bgColor, | ||
| 1025 | ImageObserver observer) { | ||
| 1026 | if (!(img instanceof ToolkitImage)) { | ||
| 1027 | return copyImage(sg, img, dx, dy, sx, sy, w, h, bgColor); | ||
| 1028 | } else { | ||
| 1029 | ToolkitImage sunimg = (ToolkitImage)img; | ||
| 1030 | if (!imageReady(sunimg, observer)) { | ||
| 1031 | return false; | ||
| 1032 | } | ||
| 1033 | ImageRepresentation ir = sunimg.getImageRep(); | ||
| 1034 | return ir.drawToBufImage(sg, sunimg, | ||
| 1035 | dx, dy, (dx + w), (dy + h), | ||
| 1036 | sx, sy, (sx + w), (sy + h), | ||
| 1037 | bgColor, observer); | ||
| 1038 | } | ||
| 1039 | } | ||
| 1040 | |||
| 1041 | public boolean scaleImage(SunGraphics2D sg, Image img, | ||
| 1042 | int x, int y, | ||
| 1043 | int width, int height, | ||
| 1044 | Color bgColor, | ||
| 1045 | ImageObserver observer) { | ||
| 1046 | if (!(img instanceof ToolkitImage)) { | ||
| 1047 | return scaleImage(sg, img, x, y, width, height, bgColor); | ||
| 1048 | } else { | ||
| 1049 | ToolkitImage sunimg = (ToolkitImage)img; | ||
| 1050 | if (!imageReady(sunimg, observer)) { | ||
| 1051 | return false; | ||
| 1052 | } | ||
| 1053 | ImageRepresentation ir = sunimg.getImageRep(); | ||
| 1054 | return ir.drawToBufImage(sg, sunimg, x, y, width, height, bgColor, | ||
| 1055 | observer); | ||
| 1056 | } | ||
| 1057 | } | ||
| 1058 | |||
| 1059 | public boolean scaleImage(SunGraphics2D sg, Image img, | ||
| 1060 | int dx1, int dy1, int dx2, int dy2, | ||
| 1061 | int sx1, int sy1, int sx2, int sy2, | ||
| 1062 | Color bgColor, | ||
| 1063 | ImageObserver observer) { | ||
| 1064 | if (!(img instanceof ToolkitImage)) { | ||
| 1065 | return scaleImage(sg, img, dx1, dy1, dx2, dy2, | ||
| 1066 | sx1, sy1, sx2, sy2, bgColor); | ||
| 1067 | } else { | ||
| 1068 | ToolkitImage sunimg = (ToolkitImage)img; | ||
| 1069 | if (!imageReady(sunimg, observer)) { | ||
| 1070 | return false; | ||
| 1071 | } | ||
| 1072 | ImageRepresentation ir = sunimg.getImageRep(); | ||
| 1073 | return ir.drawToBufImage(sg, sunimg, dx1, dy1, dx2, dy2, | ||
| 1074 | sx1, sy1, sx2, sy2, bgColor, observer); | ||
| 1075 | } | ||
| 1076 | } | ||
| 1077 | |||
| 1078 | public boolean transformImage(SunGraphics2D sg, Image img, | ||
| 1079 | AffineTransform atfm, | ||
| 1080 | ImageObserver observer) { | ||
| 1081 | if (!(img instanceof ToolkitImage)) { | ||
| 1082 | transformImage(sg, img, 0, 0, atfm, sg.interpolationType); | ||
| 1083 | return true; | ||
| 1084 | } else { | ||
| 1085 | ToolkitImage sunimg = (ToolkitImage)img; | ||
| 1086 | if (!imageReady(sunimg, observer)) { | ||
| 1087 | return false; | ||
| 1088 | } | ||
| 1089 | ImageRepresentation ir = sunimg.getImageRep(); | ||
| 1090 | return ir.drawToBufImage(sg, sunimg, atfm, observer); | ||
| 1091 | } | ||
| 1092 | } | ||
| 1093 | |||
| 1094 | public void transformImage(SunGraphics2D sg, BufferedImage img, | ||
| 1095 | BufferedImageOp op, int x, int y) | ||
| 1096 | { | ||
| 1097 | if (op != null) { | ||
| 1098 | if (op instanceof AffineTransformOp) { | ||
| 1099 | AffineTransformOp atop = (AffineTransformOp) op; | ||
| 1100 | transformImage(sg, img, x, y, | ||
| 1101 | atop.getTransform(), | ||
| 1102 | atop.getInterpolationType()); | ||
| 1103 | return; | ||
| 1104 | } else { | ||
| 1105 | img = op.filter(img, null); | ||
| 1106 | } | ||
| 1107 | } | ||
| 1108 | copyImage(sg, img, x, y, null); | ||
| 1109 | } | ||
| 1110 | } | ||