/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
* This program 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 Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: sales@itextpdf.com
*/
package com.itextpdf.text.pdf;
import com.itextpdf.text.error_messages.MessageLocalization;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Image;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.BaseColor;
/**
* Implements the pattern.
*/
public final class PdfPatternPainter extends PdfTemplate {
float xstep, ystep;
boolean stencil = false;
BaseColor defaultColor;
/**
*Creates a <CODE>PdfPattern</CODE>.
*/
private PdfPatternPainter() {
super();
type = TYPE_PATTERN;
}
/**
* Creates new PdfPattern
*
* @param wr the <CODE>PdfWriter</CODE>
*/
PdfPatternPainter(PdfWriter wr) {
super(wr);
type = TYPE_PATTERN;
}
PdfPatternPainter(PdfWriter wr, BaseColor defaultColor) {
this(wr);
stencil = true;
if (defaultColor == null)
this.defaultColor = BaseColor.GRAY;
else
this.defaultColor = defaultColor;
}
/**
* Sets the horizontal interval of this pattern.
*
* @param xstep the xstep in horizontal painting
*/
public void setXStep(float xstep) {
this.xstep = xstep;
}
/**
* Sets the vertical interval of this pattern.
*
* @param ystep in vertical painting
*/
public void setYStep(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 stencil;
}
/**
* Sets the transformation matrix for the pattern.
* @param a
* @param b
* @param c
* @param d
* @param e
* @param f
*/
public void setPatternMatrix(float a, float b, float c, float d, float e, float f) {
setMatrix(a, b, c, d, e, f);
}
/**
* Gets the stream representing this pattern
* @return the stream representing this pattern
*/
public PdfPattern getPattern() {
return new PdfPattern(this);
}
/**
* Gets the stream representing this pattern
* @param compressionLevel the compression level of the stream
* @return the stream representing this pattern
* @since 2.1.3
*/
public PdfPattern getPattern(int compressionLevel) {
return new PdfPattern(this, compressionLevel);
}
/**
* Gets a duplicate of this <CODE>PdfPatternPainter</CODE>. All
* the members are copied by reference but the buffer stays different.
* @return a copy of this <CODE>PdfPatternPainter</CODE>
*/
public PdfContentByte getDuplicate() {
PdfPatternPainter tpl = new PdfPatternPainter();
tpl.writer = writer;
tpl.pdf = pdf;
tpl.thisReference = thisReference;
tpl.pageResources = pageResources;
tpl.bBox = new Rectangle(bBox);
tpl.xstep = xstep;
tpl.ystep = ystep;
tpl.matrix = matrix;
tpl.stencil = stencil;
tpl.defaultColor = defaultColor;
return tpl;
}
/**
* Returns the default color of the pattern.
* @return a BaseColor
*/
public BaseColor getDefaultColor() {
return defaultColor;
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setGrayFill(float)
*/
public void setGrayFill(float gray) {
checkNoColor();
super.setGrayFill(gray);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#resetGrayFill()
*/
public void resetGrayFill() {
checkNoColor();
super.resetGrayFill();
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setGrayStroke(float)
*/
public void setGrayStroke(float gray) {
checkNoColor();
super.setGrayStroke(gray);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#resetGrayStroke()
*/
public void resetGrayStroke() {
checkNoColor();
super.resetGrayStroke();
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setRGBColorFillF(float, float, float)
*/
public void setRGBColorFillF(float red, float green, float blue) {
checkNoColor();
super.setRGBColorFillF(red, green, blue);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#resetRGBColorFill()
*/
public void resetRGBColorFill() {
checkNoColor();
super.resetRGBColorFill();
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setRGBColorStrokeF(float, float, float)
*/
public void setRGBColorStrokeF(float red, float green, float blue) {
checkNoColor();
super.setRGBColorStrokeF(red, green, blue);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#resetRGBColorStroke()
*/
public void resetRGBColorStroke() {
checkNoColor();
super.resetRGBColorStroke();
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setCMYKColorFillF(float, float, float, float)
*/
public void setCMYKColorFillF(float cyan, float magenta, float yellow, float black) {
checkNoColor();
super.setCMYKColorFillF(cyan, magenta, yellow, black);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#resetCMYKColorFill()
*/
public void resetCMYKColorFill() {
checkNoColor();
super.resetCMYKColorFill();
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setCMYKColorStrokeF(float, float, float, float)
*/
public void setCMYKColorStrokeF(float cyan, float magenta, float yellow, float black) {
checkNoColor();
super.setCMYKColorStrokeF(cyan, magenta, yellow, black);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#resetCMYKColorStroke()
*/
public void resetCMYKColorStroke() {
checkNoColor();
super.resetCMYKColorStroke();
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#addImage(com.itextpdf.text.Image, float, float, float, float, float, float)
*/
public void addImage(Image image, float a, float b, float c, float d, float e, float f) throws DocumentException {
if (stencil && !image.isMask())
checkNoColor();
super.addImage(image, a, b, c, d, e, f);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setCMYKColorFill(int, int, int, int)
*/
public void setCMYKColorFill(int cyan, int magenta, int yellow, int black) {
checkNoColor();
super.setCMYKColorFill(cyan, magenta, yellow, black);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setCMYKColorStroke(int, int, int, int)
*/
public void setCMYKColorStroke(int cyan, int magenta, int yellow, int black) {
checkNoColor();
super.setCMYKColorStroke(cyan, magenta, yellow, black);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setRGBColorFill(int, int, int)
*/
public void setRGBColorFill(int red, int green, int blue) {
checkNoColor();
super.setRGBColorFill(red, green, blue);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setRGBColorStroke(int, int, int)
*/
public void setRGBColorStroke(int red, int green, int blue) {
checkNoColor();
super.setRGBColorStroke(red, green, blue);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setColorStroke(com.itextpdf.text.BaseColor)
*/
public void setColorStroke(BaseColor color) {
checkNoColor();
super.setColorStroke(color);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setColorFill(com.itextpdf.text.BaseColor)
*/
public void setColorFill(BaseColor color) {
checkNoColor();
super.setColorFill(color);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setColorFill(com.itextpdf.text.pdf.PdfSpotColor, float)
*/
public void setColorFill(PdfSpotColor sp, float tint) {
checkNoColor();
super.setColorFill(sp, tint);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setColorStroke(com.itextpdf.text.pdf.PdfSpotColor, float)
*/
public void setColorStroke(PdfSpotColor sp, float tint) {
checkNoColor();
super.setColorStroke(sp, tint);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setPatternFill(com.itextpdf.text.pdf.PdfPatternPainter)
*/
public void setPatternFill(PdfPatternPainter p) {
checkNoColor();
super.setPatternFill(p);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setPatternFill(com.itextpdf.text.pdf.PdfPatternPainter, com.itextpdf.text.BaseColor, float)
*/
public void setPatternFill(PdfPatternPainter p, BaseColor color, float tint) {
checkNoColor();
super.setPatternFill(p, color, tint);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setPatternStroke(com.itextpdf.text.pdf.PdfPatternPainter, com.itextpdf.text.BaseColor, float)
*/
public void setPatternStroke(PdfPatternPainter p, BaseColor color, float tint) {
checkNoColor();
super.setPatternStroke(p, color, tint);
}
/**
* @see com.itextpdf.text.pdf.PdfContentByte#setPatternStroke(com.itextpdf.text.pdf.PdfPatternPainter)
*/
public void setPatternStroke(PdfPatternPainter p) {
checkNoColor();
super.setPatternStroke(p);
}
void checkNoColor() {
if (stencil)
throw new RuntimeException(MessageLocalization.getComposedMessage("colors.are.not.allowed.in.uncolored.tile.patterns"));
}
}