Fixed issue 229: lack of bits per sample

git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@316 d0cd1f9f-072b-0410-8dd7-cf729c803f20
darkhash · Aug 20, 2009 · 57d669f · 57d669f
1 parent 53ee04b
commit 57d669f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/ccmain/tessedit.cpp b/ccmain/tessedit.cpp
@@ -236,7 +236,8 @@ void read_tiff_image(TIFF* tif, IMAGE* image) {
   inT16 samples_per_pixel = 0;
   TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &image_width);
   TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &image_height);
-  TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &bpp);
+  if (!TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &bpp))
+    bpp = 1;  // Binary is default if no value provided.
   TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &samples_per_pixel);
   TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &photometric);
   if (samples_per_pixel > 1)