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/*
* Copyright 2002 by Phillip Pan
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library 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 Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.aowagie.text.pdf;
import java.awt.Color;
import com.aowagie.text.DocumentException;
import com.aowagie.text.Image;
import com.aowagie.text.Rectangle;
/**
* Implements the pattern.
*/
public final class PdfPatternPainter extends PdfTemplate {
private float xstep, ystep;
private boolean stencil = false;
private Color defaultColor;
/**
*Creates a PdfPattern.
*/
private PdfPatternPainter() {
super();
this.type = TYPE_PATTERN;
}
/**
* Creates new PdfPattern
*
* @param wr the PdfWriter
*/
PdfPatternPainter(final PdfWriter wr) {
super(wr);
this.type = TYPE_PATTERN;
}
PdfPatternPainter(final PdfWriter wr, final Color defaultColor) {
this(wr);
this.stencil = true;
if (defaultColor == null) {
this.defaultColor = Color.gray;
} else {
this.defaultColor = defaultColor;
}
}
/**
* Sets the horizontal interval of this pattern.
*
* @param xstep the xstep in horizontal painting
*/
public void setXStep(final float xstep) {
this.xstep = xstep;
}
/**
* Sets the vertical interval of this pattern.
*
* @param ystep in vertical painting
*/
public void setYStep(final float ystep) {
this.ystep = ystep;
}
/**
* Returns the horizontal interval when repeating the pattern.
* @return a value
*/
public float getXStep() {
return this.xstep;
}
/**
* Returns the vertical interval when repeating the pattern.
* @return a value
*/
public float getYStep() {
return this.ystep;
}
/**
* Tells you if this pattern is colored/uncolored (stencil = uncolored, you need to set a default color).
* @return true if the pattern is an uncolored tiling pattern (stencil).
*/
public boolean isStencil() {
return this.stencil;
}
/**
* Sets the transformation matrix for the pattern.
* @param a
* @param b
* @param c
* @param d
* @param e
* @param f
*/
void setPatternMatrix(final float a, final float b, final float c, final float d, final float e, final float f) {
setMatrix(a, b, c, d, e, f);
}
/**
* Gets the stream representing this pattern
* @param compressionLevel the compression level of the stream
* @return the stream representing this pattern
* @since 2.1.3
*/
PdfPattern getPattern(final int compressionLevel) {
return new PdfPattern(this, compressionLevel);
}
/**
* Gets a duplicate of this PdfPatternPainter. All
* the members are copied by reference but the buffer stays different.
* @return a copy of this PdfPatternPainter
*/
@Override
public PdfContentByte getDuplicate() {
final PdfPatternPainter tpl = new PdfPatternPainter();
tpl.writer = this.writer;
tpl.pdf = this.pdf;
tpl.thisReference = this.thisReference;
tpl.pageResources = this.pageResources;
tpl.bBox = new Rectangle(this.bBox);
tpl.xstep = this.xstep;
tpl.ystep = this.ystep;
tpl.matrix = this.matrix;
tpl.stencil = this.stencil;
tpl.defaultColor = this.defaultColor;
return tpl;
}
/**
* Returns the default color of the pattern.
* @return a Color
*/
public Color getDefaultColor() {
return this.defaultColor;
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setGrayFill(float)
*/
@Override
public void setGrayFill(final float gray) {
checkNoColor();
super.setGrayFill(gray);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#resetGrayFill()
*/
@Override
public void resetGrayFill() {
checkNoColor();
super.resetGrayFill();
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setGrayStroke(float)
*/
@Override
public void setGrayStroke(final float gray) {
checkNoColor();
super.setGrayStroke(gray);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#resetGrayStroke()
*/
@Override
public void resetGrayStroke() {
checkNoColor();
super.resetGrayStroke();
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setRGBColorFillF(float, float, float)
*/
@Override
public void setRGBColorFillF(final float red, final float green, final float blue) {
checkNoColor();
super.setRGBColorFillF(red, green, blue);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#resetRGBColorFill()
*/
@Override
public void resetRGBColorFill() {
checkNoColor();
super.resetRGBColorFill();
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setRGBColorStrokeF(float, float, float)
*/
@Override
public void setRGBColorStrokeF(final float red, final float green, final float blue) {
checkNoColor();
super.setRGBColorStrokeF(red, green, blue);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#resetRGBColorStroke()
*/
@Override
public void resetRGBColorStroke() {
checkNoColor();
super.resetRGBColorStroke();
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setCMYKColorFillF(float, float, float, float)
*/
@Override
public void setCMYKColorFillF(final float cyan, final float magenta, final float yellow, final float black) {
checkNoColor();
super.setCMYKColorFillF(cyan, magenta, yellow, black);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#resetCMYKColorFill()
*/
@Override
public void resetCMYKColorFill() {
checkNoColor();
super.resetCMYKColorFill();
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setCMYKColorStrokeF(float, float, float, float)
*/
@Override
public void setCMYKColorStrokeF(final float cyan, final float magenta, final float yellow, final float black) {
checkNoColor();
super.setCMYKColorStrokeF(cyan, magenta, yellow, black);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#resetCMYKColorStroke()
*/
@Override
public void resetCMYKColorStroke() {
checkNoColor();
super.resetCMYKColorStroke();
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#addImage(com.aowagie.text.Image, float, float, float, float, float, float)
*/
@Override
public void addImage(final Image image, final float a, final float b, final float c, final float d, final float e, final float f) throws DocumentException {
if (this.stencil && !image.isMask()) {
checkNoColor();
}
super.addImage(image, a, b, c, d, e, f);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setCMYKColorFill(int, int, int, int)
*/
@Override
public void setCMYKColorFill(final int cyan, final int magenta, final int yellow, final int black) {
checkNoColor();
super.setCMYKColorFill(cyan, magenta, yellow, black);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setCMYKColorStroke(int, int, int, int)
*/
@Override
public void setCMYKColorStroke(final int cyan, final int magenta, final int yellow, final int black) {
checkNoColor();
super.setCMYKColorStroke(cyan, magenta, yellow, black);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setRGBColorFill(int, int, int)
*/
@Override
public void setRGBColorFill(final int red, final int green, final int blue) {
checkNoColor();
super.setRGBColorFill(red, green, blue);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setRGBColorStroke(int, int, int)
*/
@Override
public void setRGBColorStroke(final int red, final int green, final int blue) {
checkNoColor();
super.setRGBColorStroke(red, green, blue);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setColorStroke(java.awt.Color)
*/
@Override
public void setColorStroke(final Color color) {
checkNoColor();
super.setColorStroke(color);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setColorFill(java.awt.Color)
*/
@Override
public void setColorFill(final Color color) {
checkNoColor();
super.setColorFill(color);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setColorFill(com.aowagie.text.pdf.PdfSpotColor, float)
*/
@Override
public void setColorFill(final PdfSpotColor sp, final float tint) {
checkNoColor();
super.setColorFill(sp, tint);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setColorStroke(com.aowagie.text.pdf.PdfSpotColor, float)
*/
@Override
public void setColorStroke(final PdfSpotColor sp, final float tint) {
checkNoColor();
super.setColorStroke(sp, tint);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setPatternFill(com.aowagie.text.pdf.PdfPatternPainter)
*/
@Override
public void setPatternFill(final PdfPatternPainter p) {
checkNoColor();
super.setPatternFill(p);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setPatternFill(com.aowagie.text.pdf.PdfPatternPainter, java.awt.Color, float)
*/
@Override
public void setPatternFill(final PdfPatternPainter p, final Color color, final float tint) {
checkNoColor();
super.setPatternFill(p, color, tint);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setPatternStroke(com.aowagie.text.pdf.PdfPatternPainter, java.awt.Color, float)
*/
@Override
public void setPatternStroke(final PdfPatternPainter p, final Color color, final float tint) {
checkNoColor();
super.setPatternStroke(p, color, tint);
}
/**
* @see com.aowagie.text.pdf.PdfContentByte#setPatternStroke(com.aowagie.text.pdf.PdfPatternPainter)
*/
@Override
public void setPatternStroke(final PdfPatternPainter p) {
checkNoColor();
super.setPatternStroke(p);
}
private void checkNoColor() {
if (this.stencil) {
throw new RuntimeException("Colors are not allowed in uncolored tile patterns.");
}
}
}
