diff options
Diffstat (limited to 'src/freetype2/base/ftbitmap.c')
| -rw-r--r-- | src/freetype2/base/ftbitmap.c | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/src/freetype2/base/ftbitmap.c b/src/freetype2/base/ftbitmap.c index 4c1cdf2..46fcce6 100644 --- a/src/freetype2/base/ftbitmap.c +++ b/src/freetype2/base/ftbitmap.c @@ -2,10 +2,9 @@ /* */ /* ftbitmap.c */ /* */ -/* FreeType utility functions for converting 1bpp, 2bpp, 4bpp, and 8bpp */ -/* bitmaps into 8bpp format (body). */ +/* FreeType utility functions for bitmaps (body). */ /* */ -/* Copyright 2004, 2005, 2006, 2007 by */ +/* Copyright 2004, 2005, 2006, 2007, 2008, 2009 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -19,6 +18,7 @@ #include <ft2build.h> #include FT_BITMAP_H +#include FT_IMAGE_H #include FT_INTERNAL_OBJECTS_H @@ -228,8 +228,12 @@ if ( !bitmap || !bitmap->buffer ) return FT_Err_Invalid_Argument; - xstr = FT_PIX_ROUND( xStrength ) >> 6; - ystr = FT_PIX_ROUND( yStrength ) >> 6; + if ( ( ( FT_PIX_ROUND( xStrength ) >> 6 ) > FT_INT_MAX ) || + ( ( FT_PIX_ROUND( yStrength ) >> 6 ) > FT_INT_MAX ) ) + return FT_Err_Invalid_Argument; + + xstr = (FT_Int)FT_PIX_ROUND( xStrength ) >> 6; + ystr = (FT_Int)FT_PIX_ROUND( yStrength ) >> 6; if ( xstr == 0 && ystr == 0 ) return FT_Err_Ok; @@ -388,6 +392,8 @@ case FT_PIXEL_MODE_GRAY: case FT_PIXEL_MODE_GRAY2: case FT_PIXEL_MODE_GRAY4: + case FT_PIXEL_MODE_LCD: + case FT_PIXEL_MODE_LCD_V: { FT_Int pad; FT_Long old_size; @@ -482,6 +488,8 @@ case FT_PIXEL_MODE_GRAY: + case FT_PIXEL_MODE_LCD: + case FT_PIXEL_MODE_LCD_V: { FT_Int width = source->width; FT_Byte* s = source->buffer; @@ -606,6 +614,31 @@ /* documentation is in ftbitmap.h */ FT_EXPORT_DEF( FT_Error ) + FT_GlyphSlot_Own_Bitmap( FT_GlyphSlot slot ) + { + if ( slot && slot->format == FT_GLYPH_FORMAT_BITMAP && + !( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) ) + { + FT_Bitmap bitmap; + FT_Error error; + + + FT_Bitmap_New( &bitmap ); + error = FT_Bitmap_Copy( slot->library, &slot->bitmap, &bitmap ); + if ( error ) + return error; + + slot->bitmap = bitmap; + slot->internal->flags |= FT_GLYPH_OWN_BITMAP; + } + + return FT_Err_Ok; + } + + + /* documentation is in ftbitmap.h */ + + FT_EXPORT_DEF( FT_Error ) FT_Bitmap_Done( FT_Library library, FT_Bitmap *bitmap ) { |