shithub: freetype+ttf2subf

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ref: 57b6a6148d072d30d7bcd071411316369190a57c
parent: bb211ce6ce7f712e4cc4423e93c6c13780122512
author: Werner Lemberg <[email protected]>
date: Fri Sep 9 15:05:54 EDT 2011 

Better tracing of metrics.

* src/base/ftobjs.c (FT_Request_Size, FT_Select_Size): Decorate with
FT_TRACE.

git/fs: mount .git/fs: mount/attach disallowed 
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2011-09-09  Werner Lemberg  <[email protected]>
+
+	Better tracing of metrics.
+
+	* src/base/ftobjs.c (FT_Request_Size, FT_Select_Size): Decorate with
+	FT_TRACE.
+
 2011-09-07  Werner Lemberg  <[email protected]>
 
 	Fix Savannah bug #33816.
--- a/src/base/ftobjs.c
+++ b/src/base/ftobjs.c
@@ -2766,8 +2766,34 @@
     clazz = face->driver->clazz;
 
     if ( clazz->select_size )
-      return clazz->select_size( face->size, (FT_ULong)strike_index );
+    {
+      FT_Error  error;
 
+
+      error = clazz->select_size( face->size, (FT_ULong)strike_index );
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+      {
+        FT_Size_Metrics*  metrics = &face->size->metrics;
+
+
+        FT_TRACE5(( "FT_Select_Size (font driver's `select_size'):\n" ));
+        FT_TRACE5(( "  x scale: %d (%f)\n",
+                    metrics->x_scale, metrics->x_scale / 65536.0 ));
+        FT_TRACE5(( "  y scale: %d (%f)\n",
+                    metrics->y_scale, metrics->y_scale / 65536.0 ));
+        FT_TRACE5(( "  ascender: %f\n",    metrics->ascender / 64.0 ));
+        FT_TRACE5(( "  descender: %f\n",   metrics->descender / 64.0 ));
+        FT_TRACE5(( "  height: %f\n",      metrics->height / 64.0 ));
+        FT_TRACE5(( "  max advance: %f\n", metrics->max_advance / 64.0 ));
+        FT_TRACE5(( "  x ppem: %d\n",      metrics->x_ppem ));
+        FT_TRACE5(( "  y ppem: %d\n",      metrics->y_ppem ));
+      }
+#endif
+
+      return error;
+    }
+
     FT_Select_Metrics( face, (FT_ULong)strike_index );
 
     return FT_Err_Ok;
@@ -2794,7 +2820,33 @@
     clazz = face->driver->clazz;
 
     if ( clazz->request_size )
-      return clazz->request_size( face->size, req );
+    {
+      FT_Error  error;
+
+
+      error = clazz->request_size( face->size, req );
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+      {
+        FT_Size_Metrics*  metrics = &face->size->metrics;
+
+
+        FT_TRACE5(( "FT_Request_Size (font driver's `request_size'):\n" ));
+        FT_TRACE5(( "  x scale: %d (%f)\n",
+                    metrics->x_scale, metrics->x_scale / 65536.0 ));
+        FT_TRACE5(( "  y scale: %d (%f)\n",
+                    metrics->y_scale, metrics->y_scale / 65536.0 ));
+        FT_TRACE5(( "  ascender: %f\n",    metrics->ascender / 64.0 ));
+        FT_TRACE5(( "  descender: %f\n",   metrics->descender / 64.0 ));
+        FT_TRACE5(( "  height: %f\n",      metrics->height / 64.0 ));
+        FT_TRACE5(( "  max advance: %f\n", metrics->max_advance / 64.0 ));
+        FT_TRACE5(( "  x ppem: %d\n",      metrics->x_ppem ));
+        FT_TRACE5(( "  y ppem: %d\n",      metrics->y_ppem ));
+      }
+#endif
+
+      return error;
+    }
 
     /*
      * The reason that a driver doesn't have `request_size' defined is