org.jpedal.render.T3ImageUtils 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
*
@LICENSE@
*
* ---------------
* T3ImageUtils.java
* ---------------
*/
package org.jpedal.render;
import java.awt.image.BufferedImage;
import java.awt.image.Raster;
import java.awt.image.WritableRaster;
import org.jpedal.color.PdfPaint;
/**
* Ant specific methods used to Draw type3 fonts
*/
class T3ImageUtils {
public static BufferedImage handleType3Image(BufferedImage image, final PdfPaint fillCol) {
final int[] maskCol = new int[4];
final int foreground = fillCol.getRGB();
maskCol[0] = ((foreground >> 16) & 0xFF);
maskCol[1] = ((foreground >> 8) & 0xFF);
maskCol[2] = ((foreground) & 0xFF);
maskCol[3] = 255;
if (maskCol[0] == 0 && maskCol[1] == 0 && maskCol[2] == 0) {
//System.out.println("black");
} else {
//hack for white text in printing (see Host account statement from open.pdf)
if (image.getType() == 10 && maskCol[0] > 250 && maskCol[1] > 250 && maskCol[2] > 250) {
image = null;
} else {
final BufferedImage img = new BufferedImage(image.getWidth(), image.getHeight(), image.getType());
final Raster src = image.getRaster();
final WritableRaster dest = img.getRaster();
final int[] values = new int[4];
for (int yy = 0; yy < image.getHeight(); yy++) {
for (int xx = 0; xx < image.getWidth(); xx++) {
//get raw color data
src.getPixel(xx, yy, values);
//if not transparent, fill with color
if (values[3] > 2) {
dest.setPixel(xx, yy, maskCol);
}
}
}
image = img;
}
}
return image;
}
}