/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @author Rustem V. Rafikov
*/
package com.google.code.appengine.imageio;
import java.util.Locale;
import org.apache.harmony.x.imageio.internal.nls.Messages;
import com.google.code.appengine.awt.*;
import com.google.code.appengine.imageio.IIOParam;
public class ImageWriteParam extends IIOParam {
public static final int MODE_DISABLED = 0;
public static final int MODE_DEFAULT = 1;
public static final int MODE_EXPLICIT = 2;
public static final int MODE_COPY_FROM_METADATA = 3;
protected boolean canWriteTiles = false;
protected int tilingMode = MODE_COPY_FROM_METADATA;
protected Dimension[] preferredTileSizes = null;
protected boolean tilingSet = false;
protected int tileWidth = 0;
protected int tileHeight = 0;
protected boolean canOffsetTiles = false;
protected int tileGridXOffset = 0;
protected int tileGridYOffset = 0;
protected boolean canWriteProgressive = false;
protected int progressiveMode = MODE_COPY_FROM_METADATA;
protected boolean canWriteCompressed = false;
protected int compressionMode = MODE_COPY_FROM_METADATA;
protected String[] compressionTypes = null;
protected String compressionType = null;
protected float compressionQuality = 1.0f;
protected Locale locale = null;
protected ImageWriteParam() {}
public ImageWriteParam(Locale locale) {
this.locale = locale;
}
public int getProgressiveMode() {
if (canWriteProgressive()) {
return progressiveMode;
}
throw new UnsupportedOperationException(Messages.getString("imageio.33"));
}
public boolean canWriteProgressive() {
return canWriteProgressive;
}
public void setProgressiveMode(int mode) {
if (canWriteProgressive()) {
if (mode < MODE_DISABLED || mode > MODE_COPY_FROM_METADATA || mode == MODE_EXPLICIT) {
throw new IllegalArgumentException(Messages.getString("imageio.34"));
}
this.progressiveMode = mode;
}
throw new UnsupportedOperationException(Messages.getString("imageio.33"));
}
public boolean canOffsetTiles() {
return canOffsetTiles;
}
public boolean canWriteCompressed() {
return canWriteCompressed;
}
public boolean canWriteTiles() {
return canWriteTiles;
}
private final void checkWriteCompressed() {
if (!canWriteCompressed()) {
throw new UnsupportedOperationException(Messages.getString("imageio.35"));
}
}
private final void checkCompressionMode() {
if (getCompressionMode() != MODE_EXPLICIT) {
throw new IllegalStateException(Messages.getString("imageio.36"));
}
}
private final void checkCompressionType() {
if (getCompressionTypes() != null && getCompressionType() == null) {
throw new IllegalStateException(Messages.getString("imageio.37"));
}
}
public int getCompressionMode() {
checkWriteCompressed();
return compressionMode;
}
public String[] getCompressionTypes() {
checkWriteCompressed();
if (compressionTypes != null) {
return compressionTypes.clone();
}
return null;
}
public String getCompressionType() {
checkWriteCompressed();
checkCompressionMode();
return compressionType;
}
public float getBitRate(float quality) {
checkWriteCompressed();
checkCompressionMode();
checkCompressionType();
if (quality < 0 || quality > 1) {
throw new IllegalArgumentException(Messages.getString("imageio.38"));
}
return -1.0f;
}
public float getCompressionQuality() {
checkWriteCompressed();
checkCompressionMode();
checkCompressionType();
return compressionQuality;
}
public String[] getCompressionQualityDescriptions() {
checkWriteCompressed();
checkCompressionMode();
checkCompressionType();
return null;
}
public float[] getCompressionQualityValues() {
checkWriteCompressed();
checkCompressionMode();
checkCompressionType();
return null;
}
public Locale getLocale() {
return locale;
}
public String getLocalizedCompressionTypeName() {
checkWriteCompressed();
checkCompressionMode();
String compressionType = getCompressionType();
if (compressionType == null) {
throw new IllegalStateException(Messages.getString("imageio.37"));
}
return compressionType;
}
private final void checkTiling() {
if (!canWriteTiles()) {
throw new UnsupportedOperationException(Messages.getString("imageio.39"));
}
}
private final void checkTilingMode() {
if (getTilingMode() != MODE_EXPLICIT) {
throw new IllegalStateException(Messages.getString("imageio.3A"));
}
}
private final void checkTilingParams() {
if (!tilingSet) {
throw new IllegalStateException(Messages.getString("imageio.3B"));
}
}
public int getTilingMode() {
checkTiling();
return tilingMode;
}
public Dimension[] getPreferredTileSizes() {
checkTiling();
if (preferredTileSizes == null) {
return null;
}
Dimension[] retval = new Dimension[preferredTileSizes.length];
for (int i = 0; i < preferredTileSizes.length; i++) {
retval[i] = new Dimension(retval[i]);
}
return retval;
}
public int getTileGridXOffset() {
checkTiling();
checkTilingMode();
checkTilingParams();
return tileGridXOffset;
}
public int getTileGridYOffset() {
checkTiling();
checkTilingMode();
checkTilingParams();
return tileGridYOffset;
}
public int getTileHeight() {
checkTiling();
checkTilingMode();
checkTilingParams();
return tileHeight;
}
public int getTileWidth() {
checkTiling();
checkTilingMode();
checkTilingParams();
return tileWidth;
}
public boolean isCompressionLossless() {
checkWriteCompressed();
checkCompressionMode();
checkCompressionType();
return true;
}
public void unsetCompression() {
checkWriteCompressed();
checkCompressionMode();
compressionType = null;
compressionQuality = 1;
}
public void setCompressionMode(int mode) {
checkWriteCompressed();
switch (mode) {
case MODE_EXPLICIT: {
compressionMode = mode;
unsetCompression();
break;
}
case MODE_COPY_FROM_METADATA:
case MODE_DISABLED:
case MODE_DEFAULT: {
compressionMode = mode;
break;
}
default: {
throw new IllegalArgumentException(Messages.getString("imageio.3C"));
}
}
}
public void setCompressionQuality(float quality) {
checkWriteCompressed();
checkCompressionMode();
checkCompressionType();
if (quality < 0 || quality > 1) {
throw new IllegalArgumentException(Messages.getString("imageio.38"));
}
compressionQuality = quality;
}
public void setCompressionType(String compressionType) {
checkWriteCompressed();
checkCompressionMode();
if (compressionType == null) { // Don't check anything
this.compressionType = null;
} else {
String[] compressionTypes = getCompressionTypes();
if (compressionTypes == null) {
throw new UnsupportedOperationException(Messages.getString("imageio.3D"));
}
for (int i = 0; i < compressionTypes.length; i++) {
if (compressionTypes[i].equals(compressionType)) {
this.compressionType = compressionType;
return;
}
}
// Compression type is not in the list.
throw new IllegalArgumentException(Messages.getString("imageio.3E"));
}
}
public void setTiling(int tileWidth, int tileHeight, int tileGridXOffset, int tileGridYOffset) {
checkTiling();
checkTilingMode();
if (!canOffsetTiles() && (tileGridXOffset != 0 || tileGridYOffset != 0)) {
throw new UnsupportedOperationException(Messages.getString("imageio.3F"));
}
if (tileWidth <=0 || tileHeight <= 0) {
throw new IllegalArgumentException(Messages.getString("imageio.40"));
}
Dimension preferredTileSizes[] = getPreferredTileSizes();
if (preferredTileSizes != null) {
for (int i = 0; i < preferredTileSizes.length; i+=2) {
Dimension minSize = preferredTileSizes[i];
Dimension maxSize = preferredTileSizes[i+1];
if (
tileWidth < minSize.width || tileWidth > maxSize.width ||
tileHeight < minSize.height || tileHeight > maxSize.height
) {
throw new IllegalArgumentException(Messages.getString("imageio.41"));
}
}
}
tilingSet = true;
this.tileWidth = tileWidth;
this.tileHeight = tileHeight;
this.tileGridXOffset = tileGridXOffset;
this.tileGridYOffset = tileGridYOffset;
}
public void unsetTiling() {
checkTiling();
checkTilingMode();
tilingSet = false;
tileWidth = 0;
tileHeight = 0;
tileGridXOffset = 0;
tileGridYOffset = 0;
}
public void setTilingMode(int mode) {
checkTiling();
switch (mode) {
case MODE_EXPLICIT: {
tilingMode = mode;
unsetTiling();
break;
}
case MODE_COPY_FROM_METADATA:
case MODE_DISABLED:
case MODE_DEFAULT: {
tilingMode = mode;
break;
}
default: {
throw new IllegalArgumentException(Messages.getString("imageio.3C"));
}
}
}
}