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[ftlcdfil] Obey flow direction.

* src/base/ftlcdfil.c (_ft_lcd_filter_fir, _ft_lcd_filter_legacy):
Handle `up' flow.

git/fs: mount .git/fs: mount/attach disallowed

--- a/ChangeLog

+++ b/ChangeLog

@@ -1,5 +1,12 @@

 2014-11-21  Werner Lemberg  <[email protected]>

+	[ftlcdfil] Obey flow direction.

+

+	* src/base/ftlcdfil.c (_ft_lcd_filter_fir, _ft_lcd_filter_legacy):

+	Handle `up' flow.

+

+2014-11-21  Werner Lemberg  <[email protected]>

+

 	* src/base/ftbitmap.c (FT_Bitmap_Convert): Improve.

 	This commit completes argument checks and adds support for different

--- a/src/base/ftlcdfil.c

+++ b/src/base/ftlcdfil.c

@@ -46,6 +46,10 @@

       FT_Byte*  line = bitmap->buffer;

+      /* take care of bitmap flow */

+      if ( bitmap->pitch < 0 )

+        line -= bitmap->pitch * ( bitmap->rows - 1 );

+

       /* `fir' and `pix' must be at least 32 bit wide, since the sum of */

       /* the values in `weights' can exceed 0xFF                        */

@@ -106,6 +110,10 @@

       FT_Int    pitch  = bitmap->pitch;

+      /* take care of bitmap flow */

+      if ( bitmap->pitch < 0 )

+        column -= bitmap->pitch * ( bitmap->rows - 1 );

+

       for ( ; width > 0; width--, column++ )

       {

         FT_Byte*  col = column;

@@ -190,6 +198,10 @@

       FT_Byte*  line = bitmap->buffer;

+      /* take care of bitmap flow */

+      if ( bitmap->pitch < 0 )

+        line -= bitmap->pitch * ( bitmap->rows - 1 );

+

       for ( ; height > 0; height--, line += pitch )

       {

         FT_UInt  xx;

@@ -228,6 +240,10 @@

     {

       FT_Byte*  column = bitmap->buffer;

+

+      /* take care of bitmap flow */

+      if ( bitmap->pitch < 0 )

+        column -= bitmap->pitch * ( bitmap->rows - 1 );

       for ( ; width > 0; width--, column++ )

       {