1 /*

     2  * Copyright (c) 2019, 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.metal;

    27 

    28 import sun.java2d.SunGraphics2D;

    29 import sun.java2d.SurfaceData;

    30 import sun.java2d.loops.SurfaceType;

    31 import sun.java2d.loops.TransformBlit;

    32 import sun.java2d.pipe.DrawImage;

    33 

    34 import java.awt.*;

    35 import java.awt.geom.AffineTransform;

    36 import java.awt.image.AffineTransformOp;

    37 import java.awt.image.BufferedImage;

    38 import java.awt.image.BufferedImageOp;

    39 

    40 public class MTLDrawImage 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                             SunGraphics2D.TRANSFORM_GENERIC,

    64                             sg.imageComp,

    65                             bgColor);

    66 

    67             if (srcData != null &&

    68                     !isBgOperation(srcData, bgColor) &&

    69                     (srcData.getSurfaceType() == MTLSurfaceData.MTLTexture ||

    70                             srcData.getSurfaceType() == MTLSurfaceData.MTLSurfaceRTT ||

    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 (MTLBufImgOps.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 }