Fixed training build

Author: theraysmith

ccutil/unicharset.h

@@ -617,6 +617,10 @@ class UNICHARSET {
     unichars[unichar_id].properties.max_advance =
         static_cast<inT16>(ClipToRange(max_advance, 0, MAX_INT16));
   }
+  // Returns true if the font metrics properties are empty.
+  bool PropertiesIncomplete(UNICHAR_ID unichar_id) const {
+    return unichars[unichar_id].properties.AnyRangeEmpty();
+  }
 
   // Return the script name of the given unichar.
   // The returned pointer will always be the same for the same script, it's

training/Makefile.am

@@ -243,7 +243,7 @@ text2image_LDADD += \
     ../api/libtesseract.la
 endif
 text2image_LDADD += $(libicu) -lpango-1.0 -lpangocairo-1.0 \
-		    -lgobject-2.0 -lglib-2.0 -lcairo -lpangoft2-1.0
+		    -lgobject-2.0 -lglib-2.0 -lcairo -lpangoft2-1.0 -lfontconfig
 
 unicharset_extractor_SOURCES = unicharset_extractor.cpp
 #unicharset_extractor_LDFLAGS = -static

training/pango_font_info.cpp

@@ -161,7 +161,7 @@ void PangoFontInfo::InitFontConfig(bool force_clear, const string& fonts_dir) {
 
 static void ListFontFamilies(PangoFontFamily*** families,
                              int* n_families) {
-  PangoFontInfo::InitFontConfig(false, FLAGS_fonts_dir);
+  PangoFontInfo::InitFontConfig(false, FLAGS_fonts_dir.c_str());
   PangoFontMap* font_map = pango_cairo_font_map_get_default();
   DISABLE_HEAP_LEAK_CHECK;
   pango_font_map_list_families(font_map, families, n_families);
@@ -235,7 +235,7 @@ bool PangoFontInfo::ParseFontDescriptionName(const string& name) {
 // in the font map. Note that if the font is wholly missing, this could
 // correspond to a completely different font family and face.
 PangoFont* PangoFontInfo::ToPangoFont() const {
-  InitFontConfig(false, FLAGS_fonts_dir);
+  InitFontConfig(false, FLAGS_fonts_dir.c_str());
   PangoFontMap* font_map = pango_cairo_font_map_get_default();
   PangoContext* context = pango_context_new();
   pango_cairo_context_set_resolution(context, resolution_);
@@ -512,7 +512,7 @@ bool FontUtils::IsAvailableFont(const char* input_query_desc,
       query_desc.c_str());
   PangoFont* selected_font = NULL;
   {
-    PangoFontInfo::InitFontConfig(false, FLAGS_fonts_dir);
+    PangoFontInfo::InitFontConfig(false, FLAGS_fonts_dir.c_str());
     PangoFontMap* font_map = pango_cairo_font_map_get_default();
     PangoContext* context = pango_context_new();
     pango_context_set_font_map(context, font_map);

training/text2image.cpp

@@ -630,7 +630,8 @@ int main(int argc, char** argv) {
     box_name += ".box";
     render.WriteAllBoxes(box_name);
   } else if (!FLAGS_render_per_font && !font_names.empty()) {
-    string filename = FLAGS_outputbase + ".fontlist.txt";
+    string filename = FLAGS_outputbase.c_str();
+    filename += ".fontlist.txt";
     FILE* fp = fopen(filename.c_str(), "wb");
     if (fp == NULL) {
       tprintf("Failed to create output font list %s\n", filename.c_str());