Stopped error messages from pixaGetCount

Author: theraysmith

textord/devanagari_processing.cpp

@@ -130,7 +130,9 @@ bool ShiroRekhaSplitter::Split(bool split_for_pageseg) {
   // out the image regions corresponding to these boxes from the original image.
   // Conditionally run splitting on each of them.
   Boxa* regions_to_clear = boxaCreate(0);
-  for (int i = 0; i < pixaGetCount(ccs); ++i) {
+  int num_ccs = 0;
+  if (ccs != nullptr) num_ccs = pixaGetCount(ccs);
+  for (int i = 0; i < num_ccs; ++i) {
     Box* box = ccs->boxa->box[i];
     Pix* word_pix = pixClipRectangle(orig_pix_, box, NULL);
     ASSERT_HOST(word_pix);

textord/imagefind.cpp

@@ -151,7 +151,8 @@ void ImageFind::ConnCompAndRectangularize(Pix* pix, Boxa** boxa, Pixa** pixa) {
   // Rectangularize the individual images. If a sharp edge in vertical and/or
   // horizontal occupancy can be found, it indicates a probably rectangular
   // image with unwanted bits merged on, so clip to the approximate rectangle.
-  int npixes = pixaGetCount(*pixa);
+  int npixes = 0;
+  if (*boxa != nullptr && *pixa != nullptr) npixes = pixaGetCount(*pixa);
   for (int i = 0; i < npixes; ++i) {
     int x_start, x_end, y_start, y_end;
     Pix* img_pix = pixaGetPix(*pixa, i, L_CLONE);
@@ -1293,7 +1294,8 @@ void ImageFind::FindImagePartitions(Pix* image_pix,
   Pixa* pixa;
   ConnCompAndRectangularize(image_pix, &boxa, &pixa);
   // Iterate the connected components in the image regions mask.
-  int nboxes = boxaGetCount(boxa);
+  int nboxes = 0;
+  if (boxa != nullptr && pixa != nullptr) nboxes = boxaGetCount(boxa);
   for (int i = 0; i < nboxes; ++i) {
     l_int32 x, y, width, height;
     boxaGetBoxGeometry(boxa, i, &x, &y, &width, &height);