diff options
Diffstat (limited to 'src/3rdparty/freetype/src/raster/ftrend1.c')
-rw-r--r-- | src/3rdparty/freetype/src/raster/ftrend1.c | 47 |
1 files changed, 31 insertions, 16 deletions
diff --git a/src/3rdparty/freetype/src/raster/ftrend1.c b/src/3rdparty/freetype/src/raster/ftrend1.c index 1ed8af6121..aa7f6d5664 100644 --- a/src/3rdparty/freetype/src/raster/ftrend1.c +++ b/src/3rdparty/freetype/src/raster/ftrend1.c @@ -4,7 +4,7 @@ /* */ /* The FreeType glyph rasterizer interface (body). */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2005, 2006 by */ +/* Copyright 1996-2003, 2005, 2006, 2011, 2013 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -17,6 +17,7 @@ #include <ft2build.h> +#include FT_INTERNAL_DEBUG_H #include FT_INTERNAL_OBJECTS_H #include FT_OUTLINE_H #include "ftrend1.h" @@ -37,7 +38,7 @@ library->raster_pool, library->raster_pool_size ); - return Raster_Err_Ok; + return FT_Err_Ok; } @@ -61,12 +62,12 @@ const FT_Matrix* matrix, const FT_Vector* delta ) { - FT_Error error = Raster_Err_Ok; + FT_Error error = FT_Err_Ok; if ( slot->format != render->glyph_format ) { - error = Raster_Err_Invalid_Argument; + error = FT_THROW( Invalid_Argument ); goto Exit; } @@ -114,7 +115,7 @@ /* check glyph image format */ if ( slot->format != render->glyph_format ) { - error = Raster_Err_Invalid_Argument; + error = FT_THROW( Invalid_Argument ); goto Exit; } @@ -124,13 +125,13 @@ { /* raster1 is only capable of producing monochrome bitmaps */ if ( render->clazz == &ft_raster1_renderer_class ) - return Raster_Err_Cannot_Render_Glyph; + return FT_THROW( Cannot_Render_Glyph ); } else { /* raster5 is only capable of producing 5-gray-levels bitmaps */ if ( render->clazz == &ft_raster5_renderer_class ) - return Raster_Err_Cannot_Render_Glyph; + return FT_THROW( Cannot_Render_Glyph ); } #else /* FT_CONFIG_OPTION_PIC */ /* When PIC is enabled, we cannot get to the class object */ @@ -142,13 +143,13 @@ { /* raster1 is only capable of producing monochrome bitmaps */ if ( render->clazz->root.module_name[6] == '1' ) - return Raster_Err_Cannot_Render_Glyph; + return FT_THROW( Cannot_Render_Glyph ); } else { /* raster5 is only capable of producing 5-gray-levels bitmaps */ if ( render->clazz->root.module_name[6] == '5' ) - return Raster_Err_Cannot_Render_Glyph; + return FT_THROW( Cannot_Render_Glyph ); } #endif /* FT_CONFIG_OPTION_PIC */ @@ -161,13 +162,28 @@ /* compute the control box, and grid fit it */ FT_Outline_Get_CBox( outline, &cbox ); + /* undocumented but confirmed: bbox values get rounded */ +#if 1 + cbox.xMin = FT_PIX_ROUND( cbox.xMin ); + cbox.yMin = FT_PIX_ROUND( cbox.yMin ); + cbox.xMax = FT_PIX_ROUND( cbox.xMax ); + cbox.yMax = FT_PIX_ROUND( cbox.yMax ); +#else cbox.xMin = FT_PIX_FLOOR( cbox.xMin ); cbox.yMin = FT_PIX_FLOOR( cbox.yMin ); cbox.xMax = FT_PIX_CEIL( cbox.xMax ); cbox.yMax = FT_PIX_CEIL( cbox.yMax ); +#endif width = (FT_UInt)( ( cbox.xMax - cbox.xMin ) >> 6 ); height = (FT_UInt)( ( cbox.yMax - cbox.yMin ) >> 6 ); + + if ( width > FT_USHORT_MAX || height > FT_USHORT_MAX ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + bitmap = &slot->bitmap; memory = render->root.memory; @@ -229,10 +245,10 @@ } - FT_DEFINE_RENDERER(ft_raster1_renderer_class, - + FT_DEFINE_RENDERER( ft_raster1_renderer_class, + FT_MODULE_RENDERER, - sizeof( FT_RendererRec ), + sizeof ( FT_RendererRec ), "raster1", 0x10000L, @@ -260,11 +276,10 @@ /* to register it by hand in your application. It should only be */ /* used for backwards-compatibility with FT 1.x anyway. */ /* */ - FT_DEFINE_RENDERER(ft_raster5_renderer_class, - - + FT_DEFINE_RENDERER( ft_raster5_renderer_class, + FT_MODULE_RENDERER, - sizeof( FT_RendererRec ), + sizeof ( FT_RendererRec ), "raster5", 0x10000L, |