/*
* Copyright (c) 2016, Harald Kuhr
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.twelvemonkeys.image;
import java.awt.*;
import java.awt.geom.
AffineTransform;
import java.awt.geom.
Point2D;
import java.awt.geom.
Rectangle2D;
import java.awt.image.*;
/**
* This is a drop-in replacement for {@link java.awt.image.AffineTransformOp}.
* <p>Currently only a modification on {@link #filter(BufferedImage, BufferedImage)} is done, which does a Graphics2D fallback for the native lib.</p>
*
* @author <a href="mailto:mail@schmidor.de">Oliver Schmidtmer</a>
* @author last modified by $Author$
* @version $Id$
*/
public class
AffineTransformOp implements
BufferedImageOp,
RasterOp {
final java.awt.image.
AffineTransformOp delegate;
public static final int
TYPE_NEAREST_NEIGHBOR = java.awt.image.
AffineTransformOp.
TYPE_NEAREST_NEIGHBOR;
public static final int
TYPE_BILINEAR = java.awt.image.
AffineTransformOp.
TYPE_BILINEAR;
public static final int
TYPE_BICUBIC = java.awt.image.
AffineTransformOp.
TYPE_BICUBIC;
/**
* @param xform The {@link AffineTransform} to use for the operation.
* @param hints The {@link RenderingHints} object used to specify the interpolation type for the operation.
*/
public
AffineTransformOp(final
AffineTransform xform, final
RenderingHints hints) {
delegate = new java.awt.image.
AffineTransformOp(
xform,
hints);
}
/**
* @param xform The {@link AffineTransform} to use for the operation.
* @param interpolationType One of the integer interpolation type constants defined by this class: {@link #TYPE_NEAREST_NEIGHBOR}, {@link #TYPE_BILINEAR}, {@link #TYPE_BICUBIC}.
*/
public
AffineTransformOp(final
AffineTransform xform, final int
interpolationType) {
delegate = new java.awt.image.
AffineTransformOp(
xform,
interpolationType);
}
@
Override
public
BufferedImage filter(final
BufferedImage src,
BufferedImage dst) {
try {
return
delegate.
filter(
src,
dst);
}
catch (
ImagingOpException ex) {
if (
dst == null) {
dst =
createCompatibleDestImage(
src,
src.
getColorModel());
}
Graphics2D g2d = null;
try {
g2d =
dst.
createGraphics();
int
interpolationType =
delegate.
getInterpolationType();
if (
interpolationType > 0) {
Object interpolationValue =
RenderingHints.
VALUE_INTERPOLATION_NEAREST_NEIGHBOR;
switch (
interpolationType) {
case java.awt.image.
AffineTransformOp.
TYPE_BILINEAR:
interpolationValue =
RenderingHints.
VALUE_INTERPOLATION_BILINEAR;
break;
case java.awt.image.
AffineTransformOp.
TYPE_BICUBIC:
interpolationValue =
RenderingHints.
VALUE_INTERPOLATION_BICUBIC;
break;
}
g2d.
setRenderingHint(
RenderingHints.
KEY_INTERPOLATION,
interpolationValue);
}
else if (
getRenderingHints() != null) {
g2d.
setRenderingHints(
getRenderingHints());
}
g2d.
drawImage(
src,
delegate.
getTransform(), null);
return
dst;
}
finally {
if (
g2d != null) {
g2d.
dispose();
}
}
}
}
@
Override
public
Rectangle2D getBounds2D(final
BufferedImage src) {
return
delegate.
getBounds2D(
src);
}
@
Override
public
BufferedImage createCompatibleDestImage(final
BufferedImage src, final
ColorModel destCM) {
return
delegate.
createCompatibleDestImage(
src,
destCM);
}
@
Override
public
WritableRaster filter(final
Raster src, final
WritableRaster dest) {
return
delegate.
filter(
src,
dest);
}
@
Override
public
Rectangle2D getBounds2D(final
Raster src) {
return
delegate.
getBounds2D(
src);
}
@
Override
public
WritableRaster createCompatibleDestRaster(final
Raster src) {
return
delegate.
createCompatibleDestRaster(
src);
}
@
Override
public
Point2D getPoint2D(final
Point2D srcPt, final
Point2D dstPt) {
return
delegate.
getPoint2D(
srcPt,
dstPt);
}
@
Override
public
RenderingHints getRenderingHints() {
return
delegate.
getRenderingHints();
}
}