org.jpedal.parser.color.RG Maven / Gradle / Ivy
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* RG.java
* ---------------
*/
package org.jpedal.parser.color;
import org.jpedal.color.ColorSpaces;
import org.jpedal.color.DeviceRGBColorSpace;
import org.jpedal.objects.GraphicsState;
import org.jpedal.parser.CommandParser;
import org.jpedal.parser.PdfObjectCache;
/**
*
*/
public class RG {
public static void execute(final boolean isLowerCase, final GraphicsState gs, final CommandParser parser, final PdfObjectCache cache) {
//set flag to show which color (stroke/nonstroke)
final boolean isStroke = !isLowerCase;
float[] operand = parser.getValuesAsFloat();
final int operandCount = operand.length;
final float[] tempValues = new float[operandCount];
for (int ii = 0; ii < operandCount; ii++) {
tempValues[operandCount - ii - 1] = operand[ii];
}
operand = tempValues;
//set colour
if (isStroke) {
if (gs.strokeColorSpace.getID() != ColorSpaces.DeviceRGB) {
gs.strokeColorSpace = new DeviceRGBColorSpace();
}
gs.strokeColorSpace.setColor(operand, operandCount);
//track colorspace use
cache.put(PdfObjectCache.ColorspacesUsed, gs.strokeColorSpace.getID(), "x");
} else {
if (gs.nonstrokeColorSpace.getID() != ColorSpaces.DeviceRGB) {
gs.nonstrokeColorSpace = new DeviceRGBColorSpace();
}
gs.nonstrokeColorSpace.setColor(operand, operandCount);
//track colrspace use
cache.put(PdfObjectCache.ColorspacesUsed, gs.nonstrokeColorSpace.getID(), "x");
}
}
}