diff --git a/ChangeLog b/ChangeLog index 0722b6a0c..559702d18 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,35 +1,49 @@ +2001-04-26 Werner Lemberg + + * builds/unix/config.guess, builds/unix/config.sub: Updated to + latest versions from gnu.org. + + * builds/compiler/gcc-dev.mk: Add `-Wno-long-long' flag. + + * include/freetype/internal/ftcalc.h: Define FT_SqrtFixed() + uncoditionally. + * src/base/ftbbox.c: Include FT_INTERNAL_CALC_H. + Fix compiler warnings. + * src/base/ftcalc.c: Fix (potential) compiler warnings. + 2001-04-26 David Turner - * src/base/ftcalc.c (FT_SqrtFixed): corrected/optimised the 32-bit - fixed-point square root. it is now used even with 64-bits - ints, as it's simply _much_ faster than calling FT_Sqrt64 :-) + * src/base/ftcalc.c (FT_SqrtFixed): Corrected/optimized the 32-bit + fixed-point square root computation. It is now used even with + 64-bits integers, as it is _much_ faster than calling FT_Sqrt64 :-) - * src/base/ftbbox.c : removed invalid "#include FT_BEZIER_H" line + * src/base/ftbbox.c: Removed invalid "#include FT_BEZIER_H" line. 2001-04-25 David Turner - * src/base/ftbbox.c (BBox_Cubic_Check): rewrote function to use - direct computations with 16.16 values instead of sub-divisions. - It is now slower, but proves a point :-) + * src/base/ftbbox.c (BBox_Cubic_Check): Rewrote function to use + direct computations with 16.16 values instead of sub-divisions. It + is now slower, but proves a point :-) - * src/raster/ftraster.c, src/smooth/ftgrays.c, src/base/ftbbox.c : - fixed the bezier stack depths.. + * src/raster/ftraster.c, src/smooth/ftgrays.c, src/base/ftbbox.c: + Fixed the bezier stack depths. - * src/base/ftcalc.c (FT_MulFix): minor rounding fix + * src/base/ftcalc.c (FT_MulFix): Minor rounding fix. - * builds/beos : added BeOS-specific files to the old build system - (no changes were necessary to support BeOS in the Jamfile though) + * builds/beos: Added BeOS-specific files to the old build system + (no changes were necessary to support BeOS in the Jamfile though). 2001-04-20 David Turner - * ftconfig.h, ftoption.h: updated "ftconfig.h" to detect 64-bit int - types on platforms where Autoconf is not available). Also removed - FTCALC_USE_LONG_LONG and replaced it with FT_CONFIG_OPTION_FORCE_INT64 + * ftconfig.h, ftoption.h: Updated "ftconfig.h" to detect 64-bit int + types on platforms where Autoconf is not available). Also removed + FTCALC_USE_LONG_LONG and replaced it with + FT_CONFIG_OPTION_FORCE_INT64. - * builds/win32/freetype.dsp: updated the Visual C++ project file. Doesn't - create a DLL yet.. + * builds/win32/freetype.dsp: Updated the Visual C++ project file. + Doesn't create a DLL yet. - * cffgload.c: removed a compilation warning + * cffgload.c: Removed a compilation warning. 2001-04-10 Tom Kacvinsky diff --git a/docs/docmaker.py b/docs/docmaker.py index 5c0c304a7..d09a64279 100644 --- a/docs/docmaker.py +++ b/docs/docmaker.py @@ -10,11 +10,11 @@ import fileinput, sys, string, glob -# the Project's title, this can be over-ridden from the command line with -# an option +# The Project's title. This can be overridden from the command line with +# an option. project_title = "Project" -# The following defines the HTML header used by all generated pages +# The following defines the HTML header used by all generated pages. # html_header_1 = """\ @@ -38,52 +38,54 @@ html_header_2= """ API Reference html_header_3=""" API Reference """ -# this is recomputed later when the project title changes + +# This is recomputed later when the project title changes. +# html_header = html_header_1 + project_title + html_header_2 + project_title + html_header_3 -# The HTML footer used by all generated pages +# The HTML footer used by all generated pages. # html_footer = """\ """ -# The header and footer used for each section +# The header and footer used for each section. # section_title_header = "

" section_title_footer = "

" -# The header and footer used for code segments +# The header and footer used for code segments. # code_header = "
"
 code_footer = "
" -# Paragraph header and footer +# Paragraph header and footer. # para_header = "

" para_footer = "

" -# Block header and footer +# Block header and footer. # block_header = "
" block_footer = "

" -# Description header/footer +# Description header/footer. # description_header = "
" description_footer = "

" -# Marker header/inter/footer combination +# Marker header/inter/footer combination. # marker_header = "
" marker_inter = "
" marker_footer = "
" -# Source code extracts header/footer +# Source code extracts header/footer. # source_header = "
"
 source_footer = "

" -# Chapter header/inter/footer +# Chapter header/inter/footer. # chapter_header = "

" chapter_inter = "

    " @@ -92,8 +94,8 @@ chapter_footer = "
" current_section = None -# This function is used to sort the index. It's a simple lexicographical -# sort, except that it places capital letters before small ones. +# This function is used to sort the index. It is a simple lexicographical +# sort, except that it places capital letters before lowercase ones. # def index_sort( s1, s2 ): if not s1: @@ -126,7 +128,7 @@ def index_sort( s1, s2 ): return 0 -# sort input_list, placing the elements of order_list in front +# Sort input_list, placing the elements of order_list in front. # def sort_order_list( input_list, order_list ): new_list = order_list[:] @@ -136,8 +138,8 @@ def sort_order_list( input_list, order_list ): return new_list -# translate a single line of source to HTML. This will convert -# a "<" into "<.", ">" into ">.", etc.. +# Translate a single line of source to HTML. This will convert +# a "<" into "<.", ">" into ">.", etc. # def html_format( line ) result = string.replace( line, "<", "<." ) @@ -146,8 +148,8 @@ def html_format( line ) return result -# The FreeType 2 reference is extracted from the source files. These contain -# various comment blocks that follow one of the following formats: +# The FreeType 2 reference is extracted from the source files. These +# contain various comment blocks that follow one of the following formats: # # /************************** # * @@ -176,7 +178,7 @@ def html_format( line ) # /**************************/ # # Each block contains a list of markers; each one can be followed by -# some arbitrary text or a list of fields. Here's an example: +# some arbitrary text or a list of fields. Here an example: # # # MyStruct @@ -195,15 +197,15 @@ def html_format( line ) # # Each field is simply of the format: WORD :: TEXT... # -# Note that typically each comment block is followed by some source -# code declaration that may need to be kept in the reference. +# Note that typically each comment block is followed by some source code +# declaration that may need to be kept in the reference. # -# Note that markers can alternatively be written as "@MARKER:" -# instead of "". All marker identifiers are converted to -# lower case during parsing in order to simply sorting. +# Note that markers can alternatively be written as "@MARKER:" instead of +# "". All marker identifiers are converted to lower case during +# parsing in order to simply sorting. # -# We associate with each block the following source lines that do not -# begin with a comment. For example, the following: +# We associate with each block the following source lines that do not begin +# with a comment. For example, the following: # # /********************************** # * @@ -211,38 +213,37 @@ def html_format( line ) # * # */ # -# bla_bla_bla -# bilip_bilip +# bla_bla_bla +# bilip_bilip # # /* - this comment acts as a separator - */ # -# blo_blo_blo +# blo_blo_blo # # -# will only keep the first two lines of sources with -# the "blabla" block. +# will only keep the first two lines of sources with +# the "blabla" block. # -# However, the comment will be kept, with following source lines -# if it contains a starting '#' or '@' as in: +# However, the comment will be kept, with following source lines if it +# contains a starting '#' or '@' as in: # -# /*@.....*/ -# /*#.....*/ -# /* @.....*/ -# /* #.....*/ +# /*@.....*/ +# /*#.....*/ +# /* @.....*/ +# /* #.....*/ # ############################################################################# # -# The DocCode class is used to store source code lines +# The DocCode class is used to store source code lines. # -# 'self.lines' contains a set of source code lines that will -# be dumped as HTML in a
 tag.
+#   'self.lines' contains a set of source code lines that will be dumped as
+#   HTML in a 
 tag.
 #
-#   The object is filled line by line by the parser; it strips the
-#   leading "margin" space from each input line before storing it
-#   in 'self.lines'.
+#   The object is filled line by line by the parser; it strips the leading
+#   "margin" space from each input line before storing it in 'self.lines'.
 #
 class DocCode:
 
@@ -278,11 +279,11 @@ class DocCode:
         while l > 0 and string.strip( self.lines[l - 1] ) == "":
             l = l - 1
 
-        # the code footer should be directly appended to the last code
-        # line to avoid an additional blank line
+        # The code footer should be directly appended to the last code
+        # line to avoid an additional blank line.
         #
         sys.stdout.write( code_header )
-        for line in self.lines[0 : l+1]:            
+        for line in self.lines[0 : l+1]:
             sys.stdout.write( '\n' + html_format(line) )
         sys.stdout.write( code_footer )
 
@@ -370,8 +371,9 @@ class DocParagraph:
 
             cursor = cursor + len( word ) + 1
 
-            # handle trailing periods, commas, etc. at the end of
-            # cross references.
+
+            # Handle trailing periods, commas, etc. at the end of cross
+            # references.
             #
             if extra:
                 if cursor + len( extra ) + 1 > max_width:
@@ -410,10 +412,9 @@ class DocParagraph:
 #
 # DocContent is used to store the content of a given marker.
 #
-# The "self.items" list contains (field,elements) records, where
-# "field" corresponds to a given structure fields or function
-# parameter (indicated by a "::"), or NULL for a normal section
-# of text/code.
+# The "self.items" list contains (field,elements) records, where "field"
+# corresponds to a given structure fields or function parameter (indicated
+# by a "::"), or NULL for a normal section of text/code.
 #
 # Hence, the following example:
 #
@@ -436,8 +437,8 @@ class DocParagraph:
 #
 # in 'self.items'.
 #
-# The DocContent object is entirely built at creation time; you must
-# pass a list of input text lines in the "lines_list" parameter.
+# The DocContent object is entirely built at creation time; you must pass a
+# list of input text lines in the "lines_list" parameter.
 #
 class DocContent:
 
@@ -449,7 +450,7 @@ class DocContent:
         paragraph   = None   # represents the current DocParagraph
         code        = None   # represents the current DocCode
 
-        elements    = []     # the list of elements for the current field,
+        elements    = []     # the list of elements for the current field;
                              # contains DocParagraph or DocCode objects
 
         field       = None   # the current field
@@ -633,20 +634,18 @@ class DocContent:
 
 #############################################################################
 #
-#
-# The DocBlock class is used to store a given comment block. It contains
+# The DocBlock class is used to store a given comment block.  It contains
 # a list of markers, as well as a list of contents for each marker.
 #
-#   "self.items" is a list of (marker, contents) elements, where
-#   'marker' is a lowercase marker string, and 'contents' is a DocContent
-#   object.
+#   "self.items" is a list of (marker, contents) elements, where 'marker' is
+#   a lowercase marker string, and 'contents' is a DocContent object.
 #
-#   "self.source" is simply a list of text lines taken from the
-#   uncommented source itself.
+#   "self.source" is simply a list of text lines taken from the uncommented
+#   source itself.
 #
 #   Finally, "self.name" is a simple identifier used to uniquely identify
-#   the block. It is taken from the first word of the first
-#   paragraph of the first marker of a given block, i.e:
+#   the block. It is taken from the first word of the first paragraph of the
+#   first marker of a given block, i.e:
 #
 #       Goo
 #       Bla bla bla
@@ -708,6 +707,7 @@ class DocBlock:
 
 
     # This function adds a new element to 'self.items'.
+    #
     #   'marker' is a marker string, or None.
     #   'lines'  is a list of text lines used to compute a list of
     #            DocContent objects.
@@ -726,7 +726,7 @@ class DocBlock:
             l     = len( lines )
 
         # add a new marker only if its marker and its content list
-        # aren't empty
+        # are not empty
         #
         if l > 0 and marker:
             content = DocContent( lines )
@@ -931,14 +931,13 @@ class DocSectionList:
         abstract = block.find_content( "abstract" )
 
         if self.sections.has_key( name ):
-            # There is already a section with this name in our
-            # list. We will try to complete it.
+            # There is already a section with this name in our list.  We
+            # will try to complete it.
             #
             section = self.sections[name]
             if section.abstract:
-                # This section already has an abstract defined;
-                # simply check that the new section doesn't
-                # provide a new one.
+                # This section already has an abstract defined; simply check
+                # that the new section doesn't provide a new one.
                 #
                 if abstract:
                     section.block.print_error(
@@ -949,8 +948,8 @@ class DocSectionList:
                       "second definition in " +
                       "'" + block.location() + "'" )
             else:
-                # The old section didn't contain an abstract; we are
-                # now going to replace it.
+                # The old section didn't contain an abstract; we are now
+                # going to replace it.
                 #
                 section.abstract    = abstract
                 section.description = block.find_content( "description" )
@@ -979,8 +978,8 @@ class DocSectionList:
 
 
     def prepare_files( self, file_prefix = None ):
-        # prepare the section list, by computing section filenames
-        # and the index
+        # prepare the section list, by computing section filenames and the
+        # index
         #
         if file_prefix:
             prefix = file_prefix + "-"
@@ -996,8 +995,8 @@ class DocSectionList:
             else:
                 section.title = "UNKNOWN_SECTION_TITLE!"
 
-        # sort section elements according to the  marker if
-        # available
+
+        # sort section elements according to the  marker if available
         #
         for section in self.sections.values():
             order = section.block.find_content( "order" )
@@ -1101,7 +1100,7 @@ class DocSectionList:
 
 
 
-# Filter a given list of DocBlocks. Returns a new list of DocBlock objects
+# Filter a given list of DocBlocks.  Returns a new list of DocBlock objects
 # that only contains element whose "type" (i.e. first marker) is in the
 # "types" parameter.
 #
@@ -1152,7 +1151,8 @@ class DocDocument:
         if block.name:
             content = block.find_content( "chapter" )
             if content:
-                # it's a chapter definition -- add it to our list
+                # a chapter definition -- add it to our list
+                #
                 chapter = DocChapter( block )
                 self.chapters.append( chapter )
             else:
@@ -1216,6 +1216,7 @@ class DocDocument:
             print chapter_footer
 
         # list lost sections
+        #
         if self.lost_sections:
             print chapter_header + "OTHER SECTIONS:" + chapter_inter
 
@@ -1234,6 +1235,7 @@ class DocDocument:
             print chapter_footer
 
         # index
+        #
         print chapter_header + 'Index' + chapter_footer
 
         print html_footer
@@ -1265,8 +1267,8 @@ def filter_section_blocks( block ):
     return block.section != None
 
 
-# Perform a lexicographical comparison of two DocBlock
-# objects. Returns -1, 0 or 1.
+# Perform a lexicographical comparison of two DocBlock objects.  Returns -1,
+# 0 or 1.
 #
 def block_lexicographical_compare( b1, b2 ):
     if not b1.name:
@@ -1285,7 +1287,7 @@ def block_lexicographical_compare( b1, b2 ):
         return 1
 
 
-# dump a list block as a single HTML page
+# Dump a list block as a single HTML page.
 #
 def dump_html_1( block_list ):
     print html_header
@@ -1349,7 +1351,7 @@ def make_block_list():
     #  1 - parse comment format 1
     #  2 - parse comment format 2
     #
-    #  4 - wait for beginning of source (or comment ??)
+    #  4 - wait for beginning of source (or comment?)
     #  5 - process source
     #
     comment = []
@@ -1414,15 +1416,15 @@ def make_block_list():
         #
         elif format == 1:
 
-            # If the line doesn't begin with a "*", something went
-            # wrong, and we must exit, and forget the current block.
+            # If the line doesn't begin with a "*", something went wrong,
+            # and we must exit, and forget the current block.
             #
             if l == 0 or line2[0] != '*':
                 block  = []
                 format = 0
 
-            # Otherwise, we test for an end of block, which is an
-            # arbitrary number of '*', followed by '/'.
+            # Otherwise, we test for an end of block, which is an arbitrary
+            # number of '*', followed by '/'.
             #
             else:
                 i = 1
@@ -1449,8 +1451,8 @@ def make_block_list():
         #
         elif format == 2:
 
-            # If the line doesn't begin with '/*' and end with '*/',
-            # this is the end of the format 2 format.
+            # If the line doesn't begin with '/*' and end with '*/', this is
+            # the end of the format 2 format.
             #
             if l < 4 or line2[: 2] != '/*' or line2[-2 :] != '*/':
                 if block != []:
@@ -1538,7 +1540,7 @@ def main( argv ):
 ##    section_list.dump_html_index()
 
 
-# If called from the command line
+# if called from the command line
 #
 if __name__ == '__main__':
     main( sys.argv )
diff --git a/include/freetype/config/ftheader.h b/include/freetype/config/ftheader.h
index 398378332..c11d82e55 100644
--- a/include/freetype/config/ftheader.h
+++ b/include/freetype/config/ftheader.h
@@ -342,11 +342,12 @@
   /*                                                                       */
   /* @description:                                                         */
   /*    A macro used in #include statements to name the file containing    */
-  /*    a small useful API to handle bezier arcs. Note that you _must_     */
-  /*    include FT_FREETYPE_H or FT_IMAGE_H before this header..           */
+  /*    a small useful API to handle bezier arcs.  Note that you _must_    */
+  /*    include FT_FREETYPE_H or FT_IMAGE_H before this header.            */
   /*                                                                       */
 #define FT_BEZIER_H  
 
+
   /*************************************************************************/
   /*                                                                       */
   /* @macro:                                                               */
diff --git a/include/freetype/internal/ftcalc.h b/include/freetype/internal/ftcalc.h
index 14f2f6154..cc4f5af4f 100644
--- a/include/freetype/internal/ftcalc.h
+++ b/include/freetype/internal/ftcalc.h
@@ -146,10 +146,10 @@ FT_BEGIN_HEADER
                                        FT_Int32   y );
 
 
-#ifdef FT_CONFIG_OPTION_OLD_CALCS
-
   FT_EXPORT( FT_Int32 )  FT_SqrtFixed( FT_Int32  x );
 
+#ifdef FT_CONFIG_OPTION_OLD_CALCS
+
 #define SQRT_64( z )  FT_Sqrt64( &z )
 
   /*************************************************************************/
diff --git a/src/base/ftbbox.c b/src/base/ftbbox.c
index 2c9e0ff10..091a7bbfb 100644
--- a/src/base/ftbbox.c
+++ b/src/base/ftbbox.c
@@ -28,6 +28,7 @@
 #include FT_BBOX_H
 #include FT_IMAGE_H
 #include FT_OUTLINE_H
+#include FT_INTERNAL_CALC_H
 
 
   typedef struct  TBBox_Rec_
@@ -36,7 +37,7 @@
     FT_BBox    bbox;
 
   } TBBox_Rec;
-                          
+
 
   /*************************************************************************/
   /*                                                                       */
@@ -214,7 +215,7 @@
                           FT_Pos*  min,
                           FT_Pos*  max )
   {
-    FT_Pos  stack[32*3+1], *arc;
+    FT_Pos  stack[32*3 + 1], *arc;
 
 
     arc = stack;
@@ -253,7 +254,7 @@
         }
       }
 
-      /* Unknown direction - split the arc in two */
+      /* Unknown direction -- split the arc in two */
       arc[6] = y4;
       arc[1] = y1 = ( y1 + y2 ) / 2;
       arc[5] = y4 = ( y4 + y3 ) / 2;
@@ -285,15 +286,28 @@
                    FT_Pos*   min,
                    FT_Pos*   max )
   {
-    FT_Pos   a = y4 - 3*y3 + 3*y2 - y1;
-    FT_Pos   b = y3 - 2*y2 + y1;
-    FT_Pos   c = y2 - y1;
-    FT_Pos   d = y1;
-    FT_Pos   y;
-    FT_Fixed uu;
-    
-    /* the polynom is "a*x^3 + 3b*x^2 + 3c*x + d", however, we also   */
-    /* have dP/dx(u) = 0, which implies that P(u) = b*u^2 + 2c*u + d  */
+ /* FT_Pos    a = y4 - 3*y3 + 3*y2 - y1; */
+    FT_Pos    b = y3 - 2*y2 + y1;
+    FT_Pos    c = y2 - y1;
+    FT_Pos    d = y1;
+    FT_Pos    y;
+    FT_Fixed  uu;
+
+    FT_UNUSED ( y4 );
+
+
+    /* The polynom is                       */
+    /*                                      */
+    /*   a*x^3 + 3b*x^2 + 3c*x + d      .   */
+    /*                                      */
+    /* However, we also have                */
+    /*                                      */
+    /*   dP/dx(u) = 0       ,               */
+    /*                                      */
+    /* which implies that                   */
+    /*                                      */
+    /*   P(u) = b*u^2 + 2c*u + d            */
+
     if ( u > 0 && u < 0x10000L )
     {
       uu = FT_MulFix( u, u );
@@ -316,7 +330,7 @@
     /* always compare first and last points */
     if      ( y1 < *min )  *min = y1;
     else if ( y1 > *max )  *max = y1;
-    
+
     if      ( y4 < *min )  *min = y4;
     else if ( y4 > *max )  *max = y4;
 
@@ -334,47 +348,48 @@
         return;
     }
 
-    /* there are some split points, now, find them.. */
+    /* There are some split points.  Find them. */
     {
       FT_Pos    a = y4 - 3*y3 + 3*y2 - y1;
       FT_Pos    b = y3 - 2*y2 + y1;
       FT_Pos    c = y2 - y1;
-      FT_Pos    d, t1;
+      FT_Pos    d;
       FT_Fixed  t;
-      
-      /* we need to solve "ax˛+2bx+c" here, without floating points !!     */
-      /* the trick is to normalize to a different representation in order  */
-      /* to use our 16.16 fixed point routines..                           */
+
+
+      /* we need to solve "ax^2+2bx+c" here, without floating points!      */
+      /* The trick is to normalize to a different representation in order  */
+      /* to use our 16.16 fixed point routines.                            */
       /*                                                                   */
-      /* we're going to compute FT_MulFix(b,b) and FT_MulFix(a,c) after    */
-      /* the normalisation. these values must fit in a single 16.16        */
+      /* We compute FT_MulFix(b,b) and FT_MulFix(a,c) after the            */
+      /* the normalization.  These values must fit into a single 16.16     */
       /* value.                                                            */
       /*                                                                   */
-      /* we normalize a, b and c to "8.16" fixed float values to ensure    */
-      /* that their product is held in a "16.16" value..                   */
+      /* We normalize a, b, and c to "8.16" fixed float values to ensure   */
+      /* that their product is held in a "16.16" value.                    */
       /*                                                                   */
       {
         FT_ULong  t1, t2;
         int       shift = 0;
-        
+
+
         t1  = (FT_ULong)((a >= 0) ? a : -a );
         t2  = (FT_ULong)((b >= 0) ? b : -b );
         t1 |= t2;
         t2  = (FT_ULong)((c >= 0) ? c : -c );
         t1 |= t2;
-        
-        if ( t1 == 0 )  /* all coefficients are 0 !! */
+
+        if ( t1 == 0 )  /* all coefficients are 0! */
           return;
-        
+
         if ( t1 > 0xFFFFFFL )
         {
           do
           {
             shift--;
             t1 >>= 1;
-          }
-          while ( t1 > 0xFFFFFFL );
-          
+          } while ( t1 > 0xFFFFFFL );
+
           a >>= shift;
           b >>= shift;
           c >>= shift;
@@ -385,9 +400,8 @@
           {
             shift++;
             t1 <<= 1;
-          }
-          while ( t1 < 0x800000L );
-          
+          } while ( t1 < 0x800000L );
+
           a <<= shift;
           b <<= shift;
           c <<= shift;
@@ -399,7 +413,7 @@
       {
         if ( b != 0 )
         {
-          t = - FT_DivFix( c, b )/2;
+          t = - FT_DivFix( c, b ) / 2;
           test_cubic_zero( y1, y2, y3, y4, t, min, max );
         }
       }
@@ -412,23 +426,23 @@
 
         if ( d == 0 )
         {
-          /* there is a single split point, at -b/a */
+          /* there is a single split point at -b/a */
           t = - FT_DivFix( b, a );
           test_cubic_zero( y1, y2, y3, y4, t, min, max );
         }
         else
         {
-          /* there are two solutions, we need to filter them though */
+          /* there are two solutions; we need to filter them though */
           d = FT_SqrtFixed( (FT_Int32)d );
           t = - FT_DivFix( b - d, a );
           test_cubic_zero( y1, y2, y3, y4, t, min, max );
-          
+
           t = - FT_DivFix( b + d, a );
           test_cubic_zero( y1, y2, y3, y4, t, min, max );
         }
       }
     }
- }
+  }
 
 #endif
 
diff --git a/src/base/ftcalc.c b/src/base/ftcalc.c
index 57b406793..2399a1145 100644
--- a/src/base/ftcalc.c
+++ b/src/base/ftcalc.c
@@ -239,50 +239,49 @@
               FT_UInt32  y,
               FT_Int64  *z )
   {
-    {
-      FT_UInt32  lo1, hi1, lo2, hi2, lo, hi, i1, i2;
+    FT_UInt32  lo1, hi1, lo2, hi2, lo, hi, i1, i2;
 
 
-      lo1 = x & 0x0000FFFFU;  hi1 = x >> 16;
-      lo2 = y & 0x0000FFFFU;  hi2 = y >> 16;
+    lo1 = x & 0x0000FFFFU;  hi1 = x >> 16;
+    lo2 = y & 0x0000FFFFU;  hi2 = y >> 16;
 
-      lo = lo1 * lo2;
-      i1 = lo1 * hi2;
-      i2 = lo2 * hi1;
-      hi = hi1 * hi2;
+    lo = lo1 * lo2;
+    i1 = lo1 * hi2;
+    i2 = lo2 * hi1;
+    hi = hi1 * hi2;
 
-      /* Check carry overflow of i1 + i2 */
-      i1 += i2;
-	  hi += (FT_UInt32)( i1 < i2 ) << 16;
+    /* Check carry overflow of i1 + i2 */
+    i1 += i2;
+    hi += (FT_UInt32)( i1 < i2 ) << 16;
 
-      hi += i1 >> 16;
-      i1  = i1 << 16;
+    hi += i1 >> 16;
+    i1  = i1 << 16;
 
-      /* Check carry overflow of i1 + lo */
-      lo += i1;
-      hi += ( lo < i1 );
+    /* Check carry overflow of i1 + lo */
+    lo += i1;
+    hi += ( lo < i1 );
 
-      z->lo = lo;
-      z->hi = hi;
-    }
+    z->lo = lo;
+    z->hi = hi;
   }
 
 
   static FT_UInt32
   ft_div64by32( FT_UInt32  hi,
                 FT_UInt32  lo,
-				FT_UInt32  y )
+                FT_UInt32  y )
   {
     FT_UInt  r, q;
-	FT_Int   i;
-	
+    FT_Int   i;
+
+
     q = 0;
-	r = hi;
-	
-	if ( r >= y )
-	  return (FT_UInt32)0x7FFFFFFF;
-	  
-	i = 32;
+    r = hi;
+
+    if ( r >= y )
+      return (FT_UInt32)0x7FFFFFFFL;
+
+    i = 32;
     do
     {
       r <<= 1;
@@ -295,10 +294,9 @@
         q |= 1;
       }
       lo <<= 1;
-    }
-	while (--i);
-	
-	return q;
+    } while ( --i );
+
+    return q;
   }
 
 
@@ -310,6 +308,7 @@
   {
     register FT_UInt32  lo, hi, max;
 
+
     max = x->lo > y->lo ? x->lo : y->lo;
     lo  = x->lo + y->lo;
     hi  = x->hi + y->hi + ( lo < max );
@@ -319,15 +318,13 @@
   }
 
 
-
-
   /* documentation is in freetype.h */
 
   FT_EXPORT_DEF( FT_Long )  FT_MulDiv( FT_Long  a,
                                        FT_Long  b,
                                        FT_Long  c )
   {
-    long   s;
+    long  s;
 
 
     if ( a == 0 || b == c )
@@ -347,10 +344,10 @@
 
 
       ft_multo64( a, b, &temp );
-	  
-	  temp2.hi = 0;
-	  temp2.lo = (FT_UInt32)(c >> 1);
-	  FT_Add64( &temp, &temp2, &temp );
+
+      temp2.hi = 0;
+      temp2.lo = (FT_UInt32)(c >> 1);
+      FT_Add64( &temp, &temp2, &temp );
       a = ft_div64by32( temp.hi, temp.lo, b );
     }
     else
@@ -440,13 +437,14 @@
                                      FT_Int32   y,
                                      FT_Int64  *z )
   {
-    FT_Int32   s;
+    FT_Int32  s;
 
 
     s  = x; x = ABS( x );
     s ^= y; y = ABS( y );
 
     ft_multo64( x, y, z );
+
     if ( s < 0 )
     {
       z->lo = (FT_UInt32)-(FT_Int32)z->lo;
@@ -476,7 +474,7 @@
     if ( x->hi == 0 )
     {
       if ( y > 0 )
-        q = (x->lo + (y >> 1)) / y;
+        q = ( x->lo + ( y >> 1 ) ) / y;
       else
         q = 0x7FFFFFFFL;
 
@@ -484,6 +482,7 @@
     }
 
     q = ft_div64by32( x->hi, x->lo, y );
+
     return ( s < 0 ? -(FT_Int32)q : (FT_Int32)q );
   }
 
@@ -563,20 +562,20 @@
   }
 
 
-
 #endif /* FT_CONFIG_OPTION_OLD_CALCS */
 
 
-
 #endif /* FT_LONG64 */
 
 
- /* a not-so-fast but working 16.16 fixed point square root function */
+  /* a not-so-fast but working 16.16 fixed point square root function */
+
   FT_EXPORT_DEF( FT_Int32 )  FT_SqrtFixed( FT_Int32  x )
   {
     FT_UInt32  root, rem_hi, rem_lo, test_div;
     FT_Int     count;
 
+
     root = 0;
 
     if ( x > 0 )
@@ -584,19 +583,19 @@
       rem_hi = 0;
       rem_lo = x;
       count  = 24;
-	  do
+      do
       {
-        rem_hi   = (rem_hi << 2) | (rem_lo >> 30);
+        rem_hi   = ( rem_hi << 2 ) | ( rem_lo >> 30 );
         rem_lo <<= 2;
         root   <<= 1;
-        test_div = (root << 1) + 1;
+        test_div = ( root << 1 ) + 1;
+
         if ( rem_hi >= test_div )
         {
           rem_hi -= test_div;
           root   += 1;
         }
-      }
-	  while (--count);
+      } while ( --count );
     }
 
     return (FT_Int32)root;
diff --git a/src/smooth/ftgrays.c b/src/smooth/ftgrays.c
index d6e759c80..fa2ef7734 100644
--- a/src/smooth/ftgrays.c
+++ b/src/smooth/ftgrays.c
@@ -247,7 +247,7 @@
 
     TScan  last_ey;
 
-    FT_Vector   bez_stack[32 * 3+1];
+    FT_Vector   bez_stack[32 * 3 + 1];
     int         lev_stack[32];
 
     FT_Outline  outline;