org.jpedal.parser.image.OneBitImage 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@
*
* ---------------
* OneBitImage.java
* ---------------
*/
package org.jpedal.parser.image;
import java.awt.image.BufferedImage;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.image.Raster;
import org.jpedal.io.ColorSpaceConvertor;
import org.jpedal.utils.LogWriter;
/**
* @author markee
*/
class OneBitImage {
static BufferedImage make(final int d, final int w, final int h, byte[] data) throws RuntimeException {
LogWriter.writeLog("comp=1 and d= " + d);
final BufferedImage image;
data = ColorSpaceConvertor.normaliseTo8Bit(d, w, h, data);
// create an image from the raw data
final DataBuffer db = new DataBufferByte(data, data.length);
final int[] bands = {0};
image = new BufferedImage(w, h, BufferedImage.TYPE_BYTE_GRAY);
final Raster raster = Raster.createInterleavedRaster(db, w, h, w, 1, bands, null);
image.setData(raster);
return image;
}
}