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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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package sun.java2d.opengl;

import java.awt.Color;

import java.awt.Image;

import java.awt.geom.AffineTransform;

import java.awt.image.AffineTransformOp;

import java.awt.image.BufferedImage;

import java.awt.image.BufferedImageOp;

import sun.java2d.SunGraphics2D;

import sun.java2d.SurfaceData;

import sun.java2d.loops.SurfaceType;

import sun.java2d.loops.TransformBlit;

import sun.java2d.pipe.DrawImage;

public class OGLDrawImage extends DrawImage {

    @Override

    protected void renderImageXform(SunGraphics2D sg, Image img,

                                    AffineTransform tx, int interpType,

                                    int sx1, int sy1, int sx2, int sy2,

                                    Color bgColor)

    {

        // punt to the MediaLib-based transformImage() in the superclass if:

        //     - bicubic interpolation is specified

        //     - a background color is specified and will be used

        //     - the source surface is neither a texture nor render-to-texture

        //       surface, and a non-default interpolation hint is specified

        //       (we can only control the filtering for texture->surface

        //       copies)

        //         REMIND: we should tweak the sw->texture->surface

        //         transform case to handle filtering appropriately

        //         (see 4841762)...

        //     - an appropriate TransformBlit primitive could not be found

        if (interpType != AffineTransformOp.TYPE_BICUBIC) {

            SurfaceData dstData = sg.surfaceData;

            SurfaceData srcData =

                dstData.getSourceSurfaceData(img,

                                             SunGraphics2D.TRANSFORM_GENERIC,

                                             sg.imageComp,

                                             bgColor);

            if (srcData != null &&

                !isBgOperation(srcData, bgColor) &&

                (srcData.getSurfaceType() == OGLSurfaceData.OpenGLTexture ||

                 srcData.getSurfaceType() == OGLSurfaceData.OpenGLSurfaceRTT ||

                 interpType == AffineTransformOp.TYPE_NEAREST_NEIGHBOR))

            {

                SurfaceType srcType = srcData.getSurfaceType();

                SurfaceType dstType = dstData.getSurfaceType();

                TransformBlit blit = TransformBlit.getFromCache(srcType,

                                                                sg.imageComp,

                                                                dstType);

                if (blit != null) {

                    blit.Transform(srcData, dstData,

                                   sg.composite, sg.getCompClip(),

                                   tx, interpType,

                                   sx1, sy1, 0, 0, sx2-sx1, sy2-sy1);

                    return;

                }

            }

        }

        super.renderImageXform(sg, img, tx, interpType,

                               sx1, sy1, sx2, sy2, bgColor);

    }

    @Override

    public void transformImage(SunGraphics2D sg, BufferedImage img,

                               BufferedImageOp op, int x, int y)

    {

        if (op != null) {

            if (op instanceof AffineTransformOp) {

                AffineTransformOp atop = (AffineTransformOp) op;

                transformImage(sg, img, x, y,

                               atop.getTransform(),

                               atop.getInterpolationType());

                return;

            } else {

                if (OGLBufImgOps.renderImageWithOp(sg, img, op, x, y)) {

                    return;

                }

            }

            img = op.filter(img, null);

        }

        copyImage(sg, img, x, y, null);

    }

}