J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.java2d.opengl; |
| 27 | |
| 28 | import java.awt.Color; |
| 29 | import java.awt.Image; |
| 30 | import java.awt.geom.AffineTransform; |
| 31 | import java.awt.image.AffineTransformOp; |
| 32 | import java.awt.image.BufferedImage; |
| 33 | import java.awt.image.BufferedImageOp; |
| 34 | import sun.java2d.SunGraphics2D; |
| 35 | import sun.java2d.SurfaceData; |
| 36 | import sun.java2d.loops.SurfaceType; |
| 37 | import sun.java2d.loops.TransformBlit; |
| 38 | import sun.java2d.pipe.DrawImage; |
| 39 | |
| 40 | public class OGLDrawImage extends DrawImage { |
| 41 | |
| 42 | @Override |
| 43 | protected void renderImageXform(SunGraphics2D sg, Image img, |
| 44 | AffineTransform tx, int interpType, |
| 45 | int sx1, int sy1, int sx2, int sy2, |
| 46 | Color bgColor) |
| 47 | { |
| 48 | // punt to the MediaLib-based transformImage() in the superclass if: |
| 49 | // - bicubic interpolation is specified |
| 50 | // - a background color is specified and will be used |
| 51 | // - the source surface is neither a texture nor render-to-texture |
| 52 | // surface, and a non-default interpolation hint is specified |
| 53 | // (we can only control the filtering for texture->surface |
| 54 | // copies) |
| 55 | // REMIND: we should tweak the sw->texture->surface |
| 56 | // transform case to handle filtering appropriately |
| 57 | // (see 4841762)... |
| 58 | // - an appropriate TransformBlit primitive could not be found |
| 59 | if (interpType != AffineTransformOp.TYPE_BICUBIC) { |
| 60 | SurfaceData dstData = sg.surfaceData; |
| 61 | SurfaceData srcData = |
| 62 | dstData.getSourceSurfaceData(img, |
| 63 | sg.TRANSFORM_GENERIC, |
| 64 | sg.imageComp, |
| 65 | bgColor); |
| 66 | |
| 67 | if (srcData != null && |
| 68 | !isBgOperation(srcData, bgColor) && |
| 69 | (srcData.getSurfaceType() == OGLSurfaceData.OpenGLTexture || |
| 70 | srcData.getSurfaceType() == OGLSurfaceData.OpenGLSurfaceRTT || |
| 71 | interpType == AffineTransformOp.TYPE_NEAREST_NEIGHBOR)) |
| 72 | { |
| 73 | SurfaceType srcType = srcData.getSurfaceType(); |
| 74 | SurfaceType dstType = dstData.getSurfaceType(); |
| 75 | TransformBlit blit = TransformBlit.getFromCache(srcType, |
| 76 | sg.imageComp, |
| 77 | dstType); |
| 78 | |
| 79 | if (blit != null) { |
| 80 | blit.Transform(srcData, dstData, |
| 81 | sg.composite, sg.getCompClip(), |
| 82 | tx, interpType, |
| 83 | sx1, sy1, 0, 0, sx2-sx1, sy2-sy1); |
| 84 | return; |
| 85 | } |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | super.renderImageXform(sg, img, tx, interpType, |
| 90 | sx1, sy1, sx2, sy2, bgColor); |
| 91 | } |
| 92 | |
| 93 | @Override |
| 94 | public void transformImage(SunGraphics2D sg, BufferedImage img, |
| 95 | BufferedImageOp op, int x, int y) |
| 96 | { |
| 97 | if (op != null) { |
| 98 | if (op instanceof AffineTransformOp) { |
| 99 | AffineTransformOp atop = (AffineTransformOp) op; |
| 100 | transformImage(sg, img, x, y, |
| 101 | atop.getTransform(), |
| 102 | atop.getInterpolationType()); |
| 103 | return; |
| 104 | } else { |
| 105 | if (OGLBufImgOps.renderImageWithOp(sg, img, op, x, y)) { |
| 106 | return; |
| 107 | } |
| 108 | } |
| 109 | img = op.filter(img, null); |
| 110 | } |
| 111 | copyImage(sg, img, x, y, null); |
| 112 | } |
| 113 | } |