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freetype2
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Minor documentation improvements and whitespace.

This commit is contained in:
Werner Lemberg 2014-11-19 21:07:59 +01:00
parent 237c0abfdc
commit 8d05486eab
2 changed files with 20 additions and 8 deletions
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9
include/ftbitmap.h
View File

@ -4,7 +4,7 @@
/* */
/* FreeType utility functions for bitmaps (specification). */
/* */
/* Copyright 2004-2006, 2008, 2013 by */
/* Copyright 2004-2006, 2008, 2013, 2014 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -45,7 +45,9 @@ FT_BEGIN_HEADER
/* Handling FT_Bitmap objects. */
/* */
/* <Description> */
/* This section contains functions for converting FT_Bitmap objects. */
/* This section contains functions for handling @FT_Bitmap objects. */
/* Note that none of the functions changes the bitmap's `flow' (as */
/* indicated by the sign of the `pitch' field in `FT_Bitmap'). */
/* */
/*************************************************************************/
@ -122,6 +124,9 @@ FT_BEGIN_HEADER
/* If you want to embolden the bitmap owned by a @FT_GlyphSlotRec, */
/* you should call @FT_GlyphSlot_Own_Bitmap on the slot first. */
/* */
/* Bitmaps in @FT_PIXEL_MODE_GRAY2 and @FT_PIXEL_MODE_GRAY@ format */
/* are converted to @FT_PIXEL_MODE_GRAY format (i.e., 8bpp). */
/* */
FT_EXPORT( FT_Error )
FT_Bitmap_Embolden( FT_Library library,
FT_Bitmap* bitmap,

9
src/base/ftbitmap.c
View File

@ -96,6 +96,9 @@
}
/* Enlarge `bitmap' horizontally and vertically by `xpixels' */
/* and `ypixels', respectively. */
static FT_Error
ft_bitmap_assure_buffer( FT_Memory memory,
FT_Bitmap* bitmap,
@ -175,9 +178,12 @@
return FT_Err_Ok;
}
/* otherwise allocate new buffer */
if ( FT_QALLOC_MULT( buffer, new_pitch, bitmap->rows + ypixels ) )
return error;
/* new rows get added at the top of the bitmap, */
/* thus take care of the flow direction */
if ( bitmap->pitch > 0 )
{
FT_Int len = ( width * bpp + 7 ) >> 3;
@ -289,6 +295,7 @@
if ( error )
return error;
/* take care of bitmap flow */
pitch = bitmap->pitch;
if ( pitch > 0 )
p = bitmap->buffer + pitch * ystr;
@ -382,7 +389,7 @@
FT_UInt l;
/* Short-circuit transparent color to avoid div-by-zero. */
/* Short-circuit transparent color to avoid division by zero. */
if ( !a )
return 0;