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Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/raster/ftraster.c')
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/raster/ftraster.c40
1 files changed, 29 insertions, 11 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/raster/ftraster.c b/Build/source/libs/freetype2/freetype-src/src/raster/ftraster.c
index d6c5ded38f3..0fa2f2687f6 100644
--- a/Build/source/libs/freetype2/freetype-src/src/raster/ftraster.c
+++ b/Build/source/libs/freetype2/freetype-src/src/raster/ftraster.c
@@ -179,8 +179,6 @@
#define FT_ERR_XCAT( x, y ) x ## y
#define FT_ERR_CAT( x, y ) FT_ERR_XCAT( x, y )
-#define FT_MAX( a, b ) ( (a) > (b) ? (a) : (b) )
-
/* This macro is used to indicate that a function parameter is unused. */
/* Its purpose is simply to reduce compiler warnings. Note also that */
/* simply defining it as `(void)x' doesn't avoid warnings with certain */
@@ -459,6 +457,12 @@
#define IS_TOP_OVERSHOOT( x ) \
(Bool)( x - FLOOR( x ) >= ras.precision_half )
+#if FT_RENDER_POOL_SIZE > 2048
+#define FT_MAX_BLACK_POOL ( FT_RENDER_POOL_SIZE / sizeof ( Long ) )
+#else
+#define FT_MAX_BLACK_POOL ( 2048 / sizeof ( Long ) )
+#endif
+
/* The most used variables are positioned at the top of the structure. */
/* Thus, their offset can be coded with less opcodes, resulting in a */
/* smaller executable. */
@@ -3106,9 +3110,9 @@
static void
- ft_black_reset( black_PRaster raster,
- char* pool_base,
- Long pool_size )
+ ft_black_reset( FT_Raster raster,
+ PByte pool_base,
+ ULong pool_size )
{
FT_UNUSED( raster );
FT_UNUSED( pool_base );
@@ -3117,20 +3121,20 @@
static int
- ft_black_set_mode( black_PRaster raster,
- ULong mode,
- const char* palette )
+ ft_black_set_mode( FT_Raster raster,
+ ULong mode,
+ void* args )
{
FT_UNUSED( raster );
FT_UNUSED( mode );
- FT_UNUSED( palette );
+ FT_UNUSED( args );
return 0;
}
static int
- ft_black_render( black_PRaster raster,
+ ft_black_render( FT_Raster raster,
const FT_Raster_Params* params )
{
const FT_Outline* outline = (const FT_Outline*)params->source;
@@ -3138,7 +3142,7 @@
black_TWorker worker[1];
- Long buffer[FT_MAX( FT_RENDER_POOL_SIZE, 2048 ) / sizeof ( Long )];
+ Long buffer[FT_MAX_BLACK_POOL];
if ( !raster )
@@ -3175,6 +3179,20 @@
if ( !target_map->buffer )
return FT_THROW( Invalid );
+ /* reject too large outline coordinates */
+ {
+ FT_Vector* vec = outline->points;
+ FT_Vector* limit = vec + outline->n_points;
+
+
+ for ( ; vec < limit; vec++ )
+ {
+ if ( vec->x < -0x1000000L || vec->x > 0x1000000L ||
+ vec->y < -0x1000000L || vec->y > 0x1000000L )
+ return FT_THROW( Invalid );
+ }
+ }
+
ras.outline = *outline;
ras.target = *target_map;