tizen 2.3.1 release

[framework/graphics/freetype.git] / src / psaux / t1decode.c

diff --git a/src/psaux/t1decode.c b/src/psaux/t1decode.c
index ea67841..d67a05e 100644 (file)
--- a/src/psaux/t1decode.c
+++ b/src/psaux/t1decode.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    PostScript Type 1 decoding routines (body).                          */
 /*                                                                         */
-/*  Copyright 2000-2011 by                                                 */
+/*  Copyright 2000-2014 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -205,7 +205,13 @@
     if ( decoder->seac )
     {
       FT_ERROR(( "t1operator_seac: invalid nested seac\n" ));
-      return PSaux_Err_Syntax_Error;
+      return FT_THROW( Syntax_Error );
+    }
+
+    if ( decoder->builder.metrics_only )
+    {
+      FT_ERROR(( "t1operator_seac: unexpected seac\n" ));
+      return FT_THROW( Syntax_Error );
     }
 
     /* seac weirdness */
@@ -222,7 +228,7 @@
     {
       FT_ERROR(( "t1operator_seac:"
                  " glyph names table not available in this font\n" ));
-      return PSaux_Err_Syntax_Error;
+      return FT_THROW( Syntax_Error );
     }
 
 #ifdef FT_CONFIG_OPTION_INCREMENTAL
@@ -243,7 +249,7 @@
     {
       FT_ERROR(( "t1operator_seac:"
                  " invalid seac character code arguments\n" ));
-      return PSaux_Err_Syntax_Error;
+      return FT_THROW( Syntax_Error );
     }
 
     /* if we are trying to load a composite glyph, do not load the */
@@ -409,7 +415,7 @@
     limit = zone->limit  = charstring_base + charstring_len;
     ip    = zone->cursor = zone->base;
 
-    error = PSaux_Err_Ok;
+    error = FT_Err_Ok;
 
     x = orig_x = builder->pos_x;
     y = orig_y = builder->pos_y;
@@ -559,10 +565,10 @@
           goto Syntax_Error;
         }
 
-        value = (FT_Int32)( ( (FT_Long)ip[0] << 24 ) |
-                            ( (FT_Long)ip[1] << 16 ) |
-                            ( (FT_Long)ip[2] << 8  ) |
-                                       ip[3]         );
+        value = (FT_Int32)( ( (FT_UInt32)ip[0] << 24 ) |
+                            ( (FT_UInt32)ip[1] << 16 ) |
+                            ( (FT_UInt32)ip[2] << 8  ) |
+                              (FT_UInt32)ip[3]         );
         ip += 4;
 
         /* According to the specification, values > 32000 or < -32000 must */
@@ -585,7 +591,7 @@
         else
         {
           if ( !large_int )
-            value <<= 16;
+            value = (FT_Int32)( (FT_UInt32)value << 16 );
         }
 
         break;
@@ -605,13 +611,13 @@
             }
 
             if ( ip[-2] < 251 )
-              value =  ( ( (FT_Int32)ip[-2] - 247 ) << 8 ) + ip[-1] + 108;
+              value =    ( ( ip[-2] - 247 ) * 256 ) + ip[-1] + 108;
             else
-              value = -( ( ( (FT_Int32)ip[-2] - 251 ) << 8 ) + ip[-1] + 108 );
+              value = -( ( ( ip[-2] - 251 ) * 256 ) + ip[-1] + 108 );
           }
 
           if ( !large_int )
-            value <<= 16;
+            value = (FT_Int32)( (FT_UInt32)value << 16 );
         }
         else
         {
@@ -750,9 +756,9 @@
           decoder->flex_state        = 1;
           decoder->num_flex_vectors  = 0;
           if ( ( error = t1_builder_start_point( builder, x, y ) )
-                 != PSaux_Err_Ok                                   ||
+                 != FT_Err_Ok                                   ||
                ( error = t1_builder_check_points( builder, 6 ) )
-                 != PSaux_Err_Ok                                   )
+                 != FT_Err_Ok                                   )
             goto Fail;
           break;
 
@@ -1092,10 +1098,12 @@
               goto Syntax_Error;
 
             /* apply hints to the loaded glyph outline now */
-            hinter->apply( hinter->hints,
-                           builder->current,
-                           (PSH_Globals)builder->hints_globals,
-                           decoder->hint_mode );
+            error = hinter->apply( hinter->hints,
+                                   builder->current,
+                                   (PSH_Globals)builder->hints_globals,
+                                   decoder->hint_mode );
+            if ( error )
+              goto Fail;
           }
 
           /* add current outline to the glyph slot */
@@ -1123,7 +1131,7 @@
           FT_TRACE4(( "\n" ));
 
           /* return now! */
-          return PSaux_Err_Ok;
+          return FT_Err_Ok;
 
         case op_hsbw:
           FT_TRACE4(( " hsbw" ));
@@ -1143,7 +1151,7 @@
           /* the glyph's metrics (lsb + advance width), not load the   */
           /* rest of it; so exit immediately                           */
           if ( builder->metrics_only )
-            return PSaux_Err_Ok;
+            return FT_Err_Ok;
 
           break;
 
@@ -1172,7 +1180,7 @@
           /* the glyph's metrics (lsb + advance width), not load the   */
           /* rest of it; so exit immediately                           */
           if ( builder->metrics_only )
-            return PSaux_Err_Ok;
+            return FT_Err_Ok;
 
           break;
 
@@ -1191,7 +1199,7 @@
           FT_TRACE4(( " hlineto" ));
 
           if ( ( error = t1_builder_start_point( builder, x, y ) )
-                 != PSaux_Err_Ok )
+                 != FT_Err_Ok )
             goto Fail;
 
           x += top[0];
@@ -1213,9 +1221,9 @@
           FT_TRACE4(( " hvcurveto" ));
 
           if ( ( error = t1_builder_start_point( builder, x, y ) )
-                 != PSaux_Err_Ok                                   ||
+                 != FT_Err_Ok                                   ||
                ( error = t1_builder_check_points( builder, 3 ) )
-                 != PSaux_Err_Ok                                   )
+                 != FT_Err_Ok                                   )
             goto Fail;
 
           x += top[0];
@@ -1231,7 +1239,7 @@
           FT_TRACE4(( " rlineto" ));
 
           if ( ( error = t1_builder_start_point( builder, x, y ) )
-                 != PSaux_Err_Ok )
+                 != FT_Err_Ok )
             goto Fail;
 
           x += top[0];
@@ -1239,7 +1247,7 @@
 
         Add_Line:
           if ( ( error = t1_builder_add_point1( builder, x, y ) )
-                 != PSaux_Err_Ok )
+                 != FT_Err_Ok )
             goto Fail;
           break;
 
@@ -1260,9 +1268,9 @@
           FT_TRACE4(( " rrcurveto" ));
 
           if ( ( error = t1_builder_start_point( builder, x, y ) )
-                 != PSaux_Err_Ok                                   ||
+                 != FT_Err_Ok                                   ||
                ( error = t1_builder_check_points( builder, 3 ) )
-                 != PSaux_Err_Ok                                   )
+                 != FT_Err_Ok                                   )
             goto Fail;
 
           x += top[0];
@@ -1282,9 +1290,9 @@
           FT_TRACE4(( " vhcurveto" ));
 
           if ( ( error = t1_builder_start_point( builder, x, y ) )
-                 != PSaux_Err_Ok                                   ||
+                 != FT_Err_Ok                                   ||
                ( error = t1_builder_check_points( builder, 3 ) )
-                 != PSaux_Err_Ok                                   )
+                 != FT_Err_Ok                                   )
             goto Fail;
 
           y += top[0];
@@ -1300,7 +1308,7 @@
           FT_TRACE4(( " vlineto" ));
 
           if ( ( error = t1_builder_start_point( builder, x, y ) )
-                 != PSaux_Err_Ok )
+                 != FT_Err_Ok )
             goto Fail;
 
           y += top[0];
@@ -1539,10 +1547,10 @@
     return error;
 
   Syntax_Error:
-    return PSaux_Err_Syntax_Error;
+    return FT_THROW( Syntax_Error );
 
   Stack_Underflow:
-    return PSaux_Err_Stack_Underflow;
+    return FT_THROW( Stack_Underflow );
   }
 
 
@@ -1579,7 +1587,7 @@
       {
         FT_ERROR(( "t1_decoder_init:"
                    " the `psnames' module is not available\n" ));
-        return PSaux_Err_Unimplemented_Feature;
+        return FT_THROW( Unimplemented_Feature );
       }
 
       decoder->psnames = psnames;
@@ -1599,7 +1607,7 @@
 
     decoder->funcs          = t1_decoder_funcs;
 
-    return PSaux_Err_Ok;
+    return FT_Err_Ok;
   }