/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.apple.laf;
import java.awt.*;
import java.awt.image.*;
import java.util.HashMap;
import com.apple.laf.AquaImageFactory.RecyclableSlicedImageControl;
import com.apple.laf.AquaImageFactory.NineSliceMetrics;
import com.apple.laf.AquaImageFactory.SlicedImageControl;
import sun.awt.image.*;
import sun.java2d.*;
import sun.print.*;
import apple.laf.*;
import apple.laf.JRSUIConstants.Widget;
import apple.laf.JRSUIUtils.NineSliceMetricsProvider;
abstract class AquaPainter <T extends JRSUIState> {
static <T extends JRSUIState> AquaPainter<T> create(final T state) {
return new AquaSingleImagePainter<T>(state);
}
static <T extends JRSUIState> AquaPainter<T> create(final T state, final int minWidth, final int minHeight, final int westCut, final int eastCut, final int northCut, final int southCut) {
return AquaPainter.create(state, minWidth, minHeight, westCut, eastCut, northCut, southCut, true);
}
static <T extends JRSUIState> AquaPainter<T> create(final T state, final int minWidth, final int minHeight, final int westCut, final int eastCut, final int northCut, final int southCut, final boolean useMiddle) {
return AquaPainter.create(state, minWidth, minHeight, westCut, eastCut, northCut, southCut, useMiddle, true, true);
}
static <T extends JRSUIState> AquaPainter<T> create(final T state, final int minWidth, final int minHeight, final int westCut, final int eastCut, final int northCut, final int southCut, final boolean useMiddle, final boolean stretchHorizontally, final boolean stretchVertically) {
return create(state, new NineSliceMetricsProvider() {
@Override
public NineSliceMetrics getNineSliceMetricsForState(JRSUIState state) {
return new NineSliceMetrics(minWidth, minHeight, westCut, eastCut, northCut, southCut, useMiddle, stretchHorizontally, stretchVertically);
}
});
}
static <T extends JRSUIState> AquaPainter<T> create(final T state, final NineSliceMetricsProvider metricsProvider) {
return new AquaNineSlicingImagePainter<T>(state, metricsProvider);
}
abstract void paint(final Graphics2D g, final T stateToPaint, final Component c);
final Rectangle boundsRect = new Rectangle();
final JRSUIControl control;
T state;
public AquaPainter(final JRSUIControl control, final T state) {
this.control = control;
this.state = state;
}
JRSUIControl getControl() {
control.set(state = (T)state.derive());
return control;
}
void paint(final Graphics g, final Component c, final int x, final int y, final int w, final int h) {
boundsRect.setBounds(x, y, w, h);
final T nextState = (T)state.derive();
final Graphics2D g2d = getGraphics2D(g);
if (g2d != null) paint(g2d, nextState, c);
state = nextState;
}
static class AquaNineSlicingImagePainter<T extends JRSUIState> extends AquaPainter<T> {
protected final HashMap<T, RecyclableJRSUISlicedImageControl> slicedControlImages;
protected final NineSliceMetricsProvider metricsProvider;
public AquaNineSlicingImagePainter(final T state) {
this(state, null);
}
public AquaNineSlicingImagePainter(final T state, final NineSliceMetricsProvider metricsProvider) {
super(new JRSUIControl(false), state);
this.metricsProvider = metricsProvider;
slicedControlImages = new HashMap<T, RecyclableJRSUISlicedImageControl>();
}
@Override
void paint(final Graphics2D g, final T stateToPaint, final Component c) {
if (metricsProvider == null) {
AquaSingleImagePainter.paintFromSingleCachedImage(g, control, stateToPaint, c, boundsRect);
return;
}
RecyclableJRSUISlicedImageControl slicesRef = slicedControlImages.get(stateToPaint);
if (slicesRef == null) {
final NineSliceMetrics metrics = metricsProvider.getNineSliceMetricsForState(stateToPaint);
if (metrics == null) {
AquaSingleImagePainter.paintFromSingleCachedImage(g, control, stateToPaint, c, boundsRect);
return;
}
slicesRef = new RecyclableJRSUISlicedImageControl(control, stateToPaint, metrics);
slicedControlImages.put(stateToPaint, slicesRef);
}
final SlicedImageControl slices = slicesRef.get();
slices.paint(g, boundsRect.x, boundsRect.y, boundsRect.width, boundsRect.height);
}
}
static class AquaSingleImagePainter<T extends JRSUIState> extends AquaPainter<T> {
public AquaSingleImagePainter(final T state) {
super(new JRSUIControl(false), state);
}
@Override
void paint(Graphics2D g, T stateToPaint, Component c) {
paintFromSingleCachedImage(g, control, stateToPaint, c, boundsRect);
}
static void paintFromSingleCachedImage(final Graphics2D g, final JRSUIControl control, final JRSUIState controlState, final Component c, final Rectangle boundsRect) {
Rectangle clipRect = g.getClipBounds();
Rectangle intersection = boundsRect.intersection(clipRect);
if (intersection.width <= 0 || intersection.height <= 0) return;
int imgX1 = intersection.x - boundsRect.x;
int imgY1 = intersection.y - boundsRect.y;
final GraphicsConfiguration config = g.getDeviceConfiguration();
final ImageCache cache = ImageCache.getInstance();
BufferedImage image = (BufferedImage)cache.getImage(config, boundsRect.width, boundsRect.height, controlState);
if (image == null) {
image = new BufferedImage(boundsRect.width, boundsRect.height, BufferedImage.TYPE_INT_ARGB_PRE);
cache.setImage(image, config, boundsRect.width, boundsRect.height, controlState);
} else {
g.drawImage(image, intersection.x, intersection.y, intersection.x + intersection.width, intersection.y + intersection.height,
imgX1, imgY1, imgX1 + intersection.width, imgY1 + intersection.height, null);
return;
}
final WritableRaster raster = image.getRaster();
final DataBufferInt buffer = (DataBufferInt)raster.getDataBuffer();
control.set(controlState);
control.paint(SunWritableRaster.stealData(buffer, 0),
image.getWidth(), image.getHeight(), 0, 0, boundsRect.width, boundsRect.height);
SunWritableRaster.markDirty(buffer);
g.drawImage(image, intersection.x, intersection.y, intersection.x + intersection.width, intersection.y + intersection.height,
imgX1, imgY1, imgX1 + intersection.width, imgY1 + intersection.height, null);
}
}
static class RecyclableJRSUISlicedImageControl extends RecyclableSlicedImageControl {
final JRSUIControl control;
final JRSUIState state;
public RecyclableJRSUISlicedImageControl(final JRSUIControl control, final JRSUIState state, final NineSliceMetrics metrics) {
super(metrics);
this.control = control;
this.state = state;
}
@Override
protected Image createTemplateImage(int width, int height) {
BufferedImage image = new BufferedImage(metrics.minW, metrics.minH, BufferedImage.TYPE_INT_ARGB_PRE);
final WritableRaster raster = image.getRaster();
final DataBufferInt buffer = (DataBufferInt)raster.getDataBuffer();
control.set(state);
control.paint(SunWritableRaster.stealData(buffer, 0), metrics.minW, metrics.minH, 0, 0, metrics.minW, metrics.minH);
SunWritableRaster.markDirty(buffer);
return image;
}
}
protected Graphics2D getGraphics2D(final Graphics g) {
try {
return (SunGraphics2D)g; // doing a blind try is faster than checking instanceof
} catch (Exception e) {
if (g instanceof PeekGraphics) {
// if it is a peek just dirty the region
g.fillRect(boundsRect.x, boundsRect.y, boundsRect.width, boundsRect.height);
} else if (g instanceof ProxyGraphics2D) {
final ProxyGraphics2D pg = (ProxyGraphics2D)g;
final Graphics2D g2d = pg.getDelegate();
if (g2d instanceof SunGraphics2D) { return (SunGraphics2D)g2d; }
} else if (g instanceof Graphics2D) {
return (Graphics2D) g;
}
}
return null;
}
}