1 /*
   2  * Copyright (c) 2010, 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.xr;
  27 
  28 import java.awt.*;
  29 import java.awt.geom.*;
  30 import java.awt.image.*;
  31 
  32 import sun.java2d.*;
  33 import sun.java2d.loops.*;
  34 import sun.java2d.pipe.*;
  35 
  36 /**
  37  * Class used for re-routing transformed blits to the accelerated loops.
  38  */
  39 
  40 public class XRDrawImage extends DrawImage {
  41     @Override
  42     protected void renderImageXform(SunGraphics2D sg, Image img,
  43             AffineTransform tx, int interpType, int sx1, int sy1, int sx2,
  44             int sy2, Color bgColor) {
  45         SurfaceData dstData = sg.surfaceData;
  46         SurfaceData srcData = dstData.getSourceSurfaceData(img,
  47                 SunGraphics2D.TRANSFORM_GENERIC, sg.imageComp, bgColor);
  48 
  49         if (srcData != null && !isBgOperation(srcData, bgColor)
  50                 && interpType <= AffineTransformOp.TYPE_BILINEAR) {
  51             SurfaceType srcType = srcData.getSurfaceType();
  52             SurfaceType dstType = dstData.getSurfaceType();
  53 
  54             TransformBlit blit = TransformBlit.getFromCache(srcType,
  55                     sg.imageComp, dstType);
  56 
  57             if (blit != null) {
  58                 blit.Transform(srcData, dstData, sg.composite,
  59                         sg.getCompClip(), tx, interpType, sx1, sy1, 0, 0, sx2
  60                                 - sx1, sy2 - sy1);
  61                 return;
  62             }
  63         }
  64 
  65         super.renderImageXform(sg, img, tx, interpType, sx1, sy1, sx2, sy2,
  66                 bgColor);
  67     }
  68 }