Author: damjan Date: Sat Jan 28 15:45:05 2017 New Revision: 1780709 URL: http://svn.apache.org/viewvc?rev=1780709&view=rev Log: XBM values can span multiple pixels, but do not span multiple image rows.
Patch by: me Modified: commons/proper/imaging/trunk/src/main/java/org/apache/commons/imaging/formats/xbm/XbmImageParser.java Modified: commons/proper/imaging/trunk/src/main/java/org/apache/commons/imaging/formats/xbm/XbmImageParser.java URL: http://svn.apache.org/viewvc/commons/proper/imaging/trunk/src/main/java/org/apache/commons/imaging/formats/xbm/XbmImageParser.java?rev=1780709&r1=1780708&r2=1780709&view=diff ============================================================================== --- commons/proper/imaging/trunk/src/main/java/org/apache/commons/imaging/formats/xbm/XbmImageParser.java (original) +++ commons/proper/imaging/trunk/src/main/java/org/apache/commons/imaging/formats/xbm/XbmImageParser.java Sat Jan 28 15:45:05 2017 @@ -244,32 +244,41 @@ public class XbmImageParser extends Imag final int rowLength = (xbmHeader.width + 7) / 8; final byte[] imageData = new byte[rowLength * xbmHeader.height]; - for (int i = 0; i < imageData.length; ) { - token = cParser.nextToken(); - if (token == null || !token.startsWith("0x")) { - throw new ImageReadException("Parsing XBM file failed, " - + "hex value missing"); - } - if (token.length() > hexWidth) { - throw new ImageReadException("Parsing XBM file failed, " - + "hex value too long"); - } - final int value = Integer.parseInt(token.substring(2), 16); - final int flipped = Integer.reverse(value) >>> (32 - inputWidth); - if (inputWidth == 16 && i < imageData.length) { - imageData[i++] = (byte) (flipped >>> 8); - } - imageData[i++] = (byte) flipped; + int i = 0; + for (int y = 0; y < xbmHeader.height; y++) { + for (int x = 0; x < xbmHeader.width; x += inputWidth) { + token = cParser.nextToken(); + if (token == null || !token.startsWith("0x")) { + throw new ImageReadException("Parsing XBM file failed, " + + "hex value missing"); + } + if (token.length() > hexWidth) { + throw new ImageReadException("Parsing XBM file failed, " + + "hex value too long"); + } + final int value = Integer.parseInt(token.substring(2), 16); + final int flipped = Integer.reverse(value) >>> (32 - inputWidth); + if (inputWidth == 16) { + if ((x + 8) < xbmHeader.width) { + imageData[i++] = (byte) (flipped >>> 8); + imageData[i++] = (byte) flipped; + } else { + imageData[i++] = (byte) flipped; + } + } else { + imageData[i++] = (byte) flipped; + } - token = cParser.nextToken(); - if (token == null) { - throw new ImageReadException("Parsing XBM file failed, " - + "premature end of file"); - } - if (!",".equals(token) - && ((i < imageData.length) || !"}".equals(token))) { - throw new ImageReadException("Parsing XBM file failed, " - + "punctuation error"); + token = cParser.nextToken(); + if (token == null) { + throw new ImageReadException("Parsing XBM file failed, " + + "premature end of file"); + } + if (!",".equals(token) + && ((i < imageData.length) || !"}".equals(token))) { + throw new ImageReadException("Parsing XBM file failed, " + + "punctuation error"); + } } }