de.intarsys.pdf.pd.PDTilingPattern Maven / Gradle / Ivy
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This is a fork of http://sourceforge.net/projects/jpodlib/ as development seems to be frozen.
We're providing some bug fixes along with deployments to maven.
/*
* Copyright (c) 2007, intarsys consulting GmbH
*
* 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 intarsys 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 OWNER 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 de.intarsys.pdf.pd;
import de.intarsys.pdf.cds.CDSRectangle;
import de.intarsys.pdf.content.CSContent;
import de.intarsys.pdf.content.IContentStreamProvider;
import de.intarsys.pdf.cos.COSArray;
import de.intarsys.pdf.cos.COSBasedObject;
import de.intarsys.pdf.cos.COSDictionary;
import de.intarsys.pdf.cos.COSName;
import de.intarsys.pdf.cos.COSObject;
import de.intarsys.pdf.cos.COSStream;
/**
* A tile used to fill the shape.
*/
public class PDTilingPattern extends PDPattern implements IContentStreamProvider {
/**
* The meta class implementation
*/
public static class MetaClass extends PDPattern.MetaClass {
protected MetaClass(Class paramInstanceClass) {
super(paramInstanceClass);
}
@Override
protected COSObject doCreateCOSObject() {
return COSStream.create(null);
}
@Override
protected COSBasedObject doCreateCOSBasedObject(COSObject object) {
return new PDTilingPattern(object);
}
}
public static final COSName DK_PaintType = COSName.constant("PaintType"); //$NON-NLS-1$
public static final COSName DK_BBox = COSName.constant("BBox"); //$NON-NLS-1$
public static final COSName DK_Resources = COSName.constant("Resources"); //$NON-NLS-1$
public static final COSName DK_XStep = COSName.constant("XStep"); //$NON-NLS-1$
public static final COSName DK_YStep = COSName.constant("YStep"); //$NON-NLS-1$
public static final COSName DK_TilingType = COSName.constant("TilingType"); //$NON-NLS-1$
public static final int PAINT_TYPE_COLORED = 1;
public static final int PAINT_TYPE_UNCOLORED = 2;
public static final int TILING_TYPE_CONSTANT_SPACING = 1;
public static final int TILING_TYPE_NO_DISTORTION = 2;
public static final int TILING_TYPE_CONSTANT_SPACING_AND_FASTER_TILING = 3;
/**
* The meta class instance
*/
public static final MetaClass META = new MetaClass(MetaClass.class.getDeclaringClass());
/**
* Cached content of the pattern.
*
*
* Requesting the content is expensive.
*
*/
private CSContent cachedContent;
protected PDTilingPattern(COSObject object) {
super(object);
}
@Override
protected void initializeFromScratch() {
super.initializeFromScratch();
setFieldInt(DK_PatternType, PATTERN_TYPE_TILING);
setPaintType(PAINT_TYPE_COLORED);
setTilingType(TILING_TYPE_CONSTANT_SPACING);
setBoundingBox(new CDSRectangle());
cosSetField(DK_Resources, COSDictionary.create());
setBytes(new byte[0]);
}
@Override
public COSDictionary cosGetDict() {
return cosGetStream().getDict();
}
@Override
public int getPatternType() {
return PATTERN_TYPE_TILING;
}
public int getPaintType() {
return getFieldInt(DK_PaintType, PAINT_TYPE_COLORED);
}
public void setPaintType(int paintType) {
setFieldInt(DK_PaintType, paintType);
}
public int getTilingType() {
return getFieldInt(DK_TilingType, TILING_TYPE_CONSTANT_SPACING);
}
public void setTilingType(int tilingType) {
setFieldInt(DK_TilingType, tilingType);
}
public float getXStep() {
return getFieldFixed(DK_XStep, 1.0f);
}
public void setXStep(float step) {
setFieldFixed(DK_XStep, step);
}
public float getYStep() {
return getFieldFixed(DK_YStep, 1.0f);
}
public void setYStep(float step) {
setFieldFixed(DK_YStep, step);
}
public CDSRectangle getBoundingBox() {
COSArray array = cosGetField(DK_BBox).asArray();
if (array == null) {
return null;
}
return CDSRectangle.createFromCOS(array);
}
public void setBoundingBox(CDSRectangle rect) {
setFieldObject(DK_BBox, rect);
}
@Override
public CSContent getContentStream() {
if (cachedContent == null) {
cachedContent = CSContent.createFromCos(cosGetStream());
}
return cachedContent;
}
@Override
public void setContentStream(CSContent content) {
setBytes(content.toByteArray());
}
public void setBytes(byte[] bytes) {
cosGetStream().setDecodedBytes(bytes);
}
/**
* The resource dictionary of this pattern. This method can return
* null if no resource dictionary is available. Spec lists resource
* dictionary as required however.
*
* @return The resource dictionary of the receiver pattern.
*/
@Override
public PDResources getResources() {
COSDictionary r = cosGetField(DK_Resources).asDictionary();
return (PDResources) PDResources.META.createFromCos(r);
}
@Override
public void setResources(PDResources resources) {
setFieldObject(DK_Resources, resources);
}
}