diff options
Diffstat (limited to 'src/3rdparty/freetype/src/base/ftgloadr.c')
| -rw-r--r-- | src/3rdparty/freetype/src/base/ftgloadr.c | 58 |
1 files changed, 43 insertions, 15 deletions
diff --git a/src/3rdparty/freetype/src/base/ftgloadr.c b/src/3rdparty/freetype/src/base/ftgloadr.c index bfeed461a8..9823d09e41 100644 --- a/src/3rdparty/freetype/src/base/ftgloadr.c +++ b/src/3rdparty/freetype/src/base/ftgloadr.c @@ -4,7 +4,7 @@ * * The FreeType glyph loader (body). * - * Copyright (C) 2002-2019 by + * Copyright (C) 2002-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg * * This file is part of the FreeType project, and may only be used, @@ -16,11 +16,10 @@ */ -#include <ft2build.h> -#include FT_INTERNAL_DEBUG_H -#include FT_INTERNAL_GLYPH_LOADER_H -#include FT_INTERNAL_MEMORY_H -#include FT_INTERNAL_OBJECTS_H +#include <freetype/internal/ftdebug.h> +#include <freetype/internal/ftgloadr.h> +#include <freetype/internal/ftmemory.h> +#include <freetype/internal/ftobjs.h> #undef FT_COMPONENT #define FT_COMPONENT gloader @@ -93,6 +92,7 @@ base->outline.n_points = 0; base->outline.n_contours = 0; + base->outline.flags = 0; base->num_subglyphs = 0; *current = *base; @@ -146,9 +146,9 @@ FT_Outline* current = &loader->current.outline; - current->points = base->points + base->n_points; - current->tags = base->tags + base->n_points; - current->contours = base->contours + base->n_contours; + current->points = FT_OFFSET( base->points, base->n_points ); + current->tags = FT_OFFSET( base->tags, base->n_points ); + current->contours = FT_OFFSET( base->contours, base->n_contours ); /* handle extra points table - if any */ if ( loader->use_extra ) @@ -169,6 +169,10 @@ FT_Memory memory = loader->memory; + if ( loader->max_points == 0 || + loader->base.extra_points != NULL ) + return FT_Err_Ok; + if ( !FT_NEW_ARRAY( loader->base.extra_points, 2 * loader->max_points ) ) { loader->use_extra = 1; @@ -189,7 +193,7 @@ FT_GlyphLoad current = &loader->current; - current->subglyphs = base->subglyphs + base->num_subglyphs; + current->subglyphs = FT_OFFSET( base->subglyphs, base->num_subglyphs ); } @@ -208,8 +212,12 @@ FT_Outline* current = &loader->current.outline; FT_Bool adjust = 0; - FT_UInt new_max, old_max; + FT_UInt new_max, old_max, min_new_max; + + error = FT_GlyphLoader_CreateExtra( loader ); + if ( error ) + goto Exit; /* check points & tags */ new_max = (FT_UInt)base->n_points + (FT_UInt)current->n_points + @@ -218,10 +226,18 @@ if ( new_max > old_max ) { - new_max = FT_PAD_CEIL( new_max, 8 ); + if ( new_max > FT_OUTLINE_POINTS_MAX ) + { + error = FT_THROW( Array_Too_Large ); + goto Exit; + } + min_new_max = old_max + ( old_max >> 1 ); + if ( new_max < min_new_max ) + new_max = min_new_max; + new_max = FT_PAD_CEIL( new_max, 8 ); if ( new_max > FT_OUTLINE_POINTS_MAX ) - return FT_THROW( Array_Too_Large ); + new_max = FT_OUTLINE_POINTS_MAX; if ( FT_RENEW_ARRAY( base->points, old_max, new_max ) || FT_RENEW_ARRAY( base->tags, old_max, new_max ) ) @@ -244,16 +260,28 @@ loader->max_points = new_max; } + error = FT_GlyphLoader_CreateExtra( loader ); + if ( error ) + goto Exit; + /* check contours */ old_max = loader->max_contours; new_max = (FT_UInt)base->n_contours + (FT_UInt)current->n_contours + n_contours; if ( new_max > old_max ) { - new_max = FT_PAD_CEIL( new_max, 4 ); + if ( new_max > FT_OUTLINE_CONTOURS_MAX ) + { + error = FT_THROW( Array_Too_Large ); + goto Exit; + } + min_new_max = old_max + ( old_max >> 1 ); + if ( new_max < min_new_max ) + new_max = min_new_max; + new_max = FT_PAD_CEIL( new_max, 4 ); if ( new_max > FT_OUTLINE_CONTOURS_MAX ) - return FT_THROW( Array_Too_Large ); + new_max = FT_OUTLINE_CONTOURS_MAX; if ( FT_RENEW_ARRAY( base->contours, old_max, new_max ) ) goto Exit; |