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-rw-r--r--src/smooth/ftgrays.c100
1 files changed, 56 insertions, 44 deletions
diff --git a/src/smooth/ftgrays.c b/src/smooth/ftgrays.c
index 895e748..4c0eea5 100644
--- a/src/smooth/ftgrays.c
+++ b/src/smooth/ftgrays.c
@@ -4,7 +4,7 @@
/* */
/* A new `perfect' anti-aliasing renderer (body). */
/* */
-/* Copyright 2000-2003, 2005-2011 by */
+/* Copyright 2000-2003, 2005-2012 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -232,10 +232,15 @@ typedef ptrdiff_t FT_PtrDist;
/* as usual, for the speed hungry :-) */
+#undef RAS_ARG
+#undef RAS_ARG_
+#undef RAS_VAR
+#undef RAS_VAR_
+
#ifndef FT_STATIC_RASTER
-#define RAS_ARG PWorker worker
-#define RAS_ARG_ PWorker worker,
+#define RAS_ARG gray_PWorker worker
+#define RAS_ARG_ gray_PWorker worker,
#define RAS_VAR worker
#define RAS_VAR_ worker,
@@ -253,6 +258,11 @@ typedef ptrdiff_t FT_PtrDist;
/* must be at least 6 bits! */
#define PIXEL_BITS 8
+#undef FLOOR
+#undef CEILING
+#undef TRUNC
+#undef SCALED
+
#define ONE_PIXEL ( 1L << PIXEL_BITS )
#define PIXEL_MASK ( -1L << PIXEL_BITS )
#define TRUNC( x ) ( (TCoord)( (x) >> PIXEL_BITS ) )
@@ -310,15 +320,15 @@ typedef ptrdiff_t FT_PtrDist;
typedef struct TCell_
{
- TPos x; /* same with TWorker.ex */
- TCoord cover; /* same with TWorker.cover */
- TArea area;
- PCell next;
+ TPos x; /* same with gray_TWorker.ex */
+ TCoord cover; /* same with gray_TWorker.cover */
+ TArea area;
+ PCell next;
} TCell;
- typedef struct TWorker_
+ typedef struct gray_TWorker_
{
TCoord ex, ey;
TPos min_ex, max_ex;
@@ -329,7 +339,7 @@ typedef ptrdiff_t FT_PtrDist;
TCoord cover;
int invalid;
- PCell cells;
+ PCell cells;
FT_PtrDist max_cells;
FT_PtrDist num_cells;
@@ -363,25 +373,25 @@ typedef ptrdiff_t FT_PtrDist;
PCell* ycells;
TPos ycount;
- } TWorker, *PWorker;
+ } gray_TWorker, *gray_PWorker;
#ifndef FT_STATIC_RASTER
#define ras (*worker)
#else
- static TWorker ras;
+ static gray_TWorker ras;
#endif
- typedef struct TRaster_
+ typedef struct gray_TRaster_
{
- void* buffer;
- long buffer_size;
- int band_size;
- void* memory;
- PWorker worker;
+ void* buffer;
+ long buffer_size;
+ int band_size;
+ void* memory;
+ gray_PWorker worker;
- } TRaster, *PRaster;
+ } gray_TRaster, *gray_PRaster;
@@ -878,6 +888,8 @@ typedef ptrdiff_t FT_PtrDist;
FT_Vector* arc;
+ levels = ras.lev_stack;
+
arc = ras.bez_stack;
arc[0].x = UPSCALE( to->x );
arc[0].y = UPSCALE( to->y );
@@ -916,7 +928,6 @@ typedef ptrdiff_t FT_PtrDist;
level++;
} while ( dx > ONE_PIXEL / 4 );
- levels = ras.lev_stack;
levels[0] = level;
do
@@ -1109,7 +1120,7 @@ typedef ptrdiff_t FT_PtrDist;
static int
gray_move_to( const FT_Vector* to,
- PWorker worker )
+ gray_PWorker worker )
{
TPos x, y;
@@ -1131,7 +1142,7 @@ typedef ptrdiff_t FT_PtrDist;
static int
gray_line_to( const FT_Vector* to,
- PWorker worker )
+ gray_PWorker worker )
{
gray_render_line( RAS_VAR_ UPSCALE( to->x ), UPSCALE( to->y ) );
return 0;
@@ -1141,7 +1152,7 @@ typedef ptrdiff_t FT_PtrDist;
static int
gray_conic_to( const FT_Vector* control,
const FT_Vector* to,
- PWorker worker )
+ gray_PWorker worker )
{
gray_render_conic( RAS_VAR_ control, to );
return 0;
@@ -1152,7 +1163,7 @@ typedef ptrdiff_t FT_PtrDist;
gray_cubic_to( const FT_Vector* control1,
const FT_Vector* control2,
const FT_Vector* to,
- PWorker worker )
+ gray_PWorker worker )
{
gray_render_cubic( RAS_VAR_ control1, control2, to );
return 0;
@@ -1163,7 +1174,7 @@ typedef ptrdiff_t FT_PtrDist;
gray_render_span( int y,
int count,
const FT_Span* spans,
- PWorker worker )
+ gray_PWorker worker )
{
unsigned char* p;
FT_Bitmap* map = &worker->target;
@@ -1675,11 +1686,11 @@ typedef ptrdiff_t FT_PtrDist;
#endif /* _STANDALONE_ */
- typedef struct TBand_
+ typedef struct gray_TBand_
{
TPos min, max;
- } TBand;
+ } gray_TBand;
FT_DEFINE_OUTLINE_FUNCS(func_interface,
(FT_Outline_MoveTo_Func) gray_move_to,
@@ -1716,11 +1727,11 @@ typedef ptrdiff_t FT_PtrDist;
static int
gray_convert_glyph( RAS_ARG )
{
- TBand bands[40];
- TBand* volatile band;
- int volatile n, num_bands;
- TPos volatile min, max, max_y;
- FT_BBox* clip;
+ gray_TBand bands[40];
+ gray_TBand* volatile band;
+ int volatile n, num_bands;
+ TPos volatile min, max, max_y;
+ FT_BBox* clip;
/* Set up state in the raster object */
@@ -1784,7 +1795,7 @@ typedef ptrdiff_t FT_PtrDist;
cell_start += sizeof ( TCell ) - cell_mod;
cell_end = ras.buffer_size;
- cell_end -= cell_end % sizeof( TCell );
+ cell_end -= cell_end % sizeof ( TCell );
cells_max = (PCell)( (char*)ras.buffer + cell_end );
ras.cells = (PCell)( (char*)ras.buffer + cell_start );
@@ -1851,12 +1862,12 @@ typedef ptrdiff_t FT_PtrDist;
static int
- gray_raster_render( PRaster raster,
+ gray_raster_render( gray_PRaster raster,
const FT_Raster_Params* params )
{
const FT_Outline* outline = (const FT_Outline*)params->source;
const FT_Bitmap* target_map = params->target;
- PWorker worker;
+ gray_PWorker worker;
if ( !raster || !raster->buffer || !raster->buffer_size )
@@ -1948,7 +1959,7 @@ typedef ptrdiff_t FT_PtrDist;
gray_raster_new( void* memory,
FT_Raster* araster )
{
- static TRaster the_raster;
+ static gray_TRaster the_raster;
FT_UNUSED( memory );
@@ -1973,15 +1984,15 @@ typedef ptrdiff_t FT_PtrDist;
gray_raster_new( FT_Memory memory,
FT_Raster* araster )
{
- FT_Error error;
- PRaster raster = NULL;
+ FT_Error error;
+ gray_PRaster raster = NULL;
*araster = 0;
- if ( !FT_ALLOC( raster, sizeof ( TRaster ) ) )
+ if ( !FT_ALLOC( raster, sizeof ( gray_TRaster ) ) )
{
raster->memory = memory;
- *araster = (FT_Raster)raster;
+ *araster = (FT_Raster)raster;
}
return error;
@@ -1991,7 +2002,7 @@ typedef ptrdiff_t FT_PtrDist;
static void
gray_raster_done( FT_Raster raster )
{
- FT_Memory memory = (FT_Memory)((PRaster)raster)->memory;
+ FT_Memory memory = (FT_Memory)((gray_PRaster)raster)->memory;
FT_FREE( raster );
@@ -2005,19 +2016,20 @@ typedef ptrdiff_t FT_PtrDist;
char* pool_base,
long pool_size )
{
- PRaster rast = (PRaster)raster;
+ gray_PRaster rast = (gray_PRaster)raster;
if ( raster )
{
- if ( pool_base && pool_size >= (long)sizeof ( TWorker ) + 2048 )
+ if ( pool_base && pool_size >= (long)sizeof ( gray_TWorker ) + 2048 )
{
- PWorker worker = (PWorker)pool_base;
+ gray_PWorker worker = (gray_PWorker)pool_base;
rast->worker = worker;
rast->buffer = pool_base +
- ( ( sizeof ( TWorker ) + sizeof ( TCell ) - 1 ) &
+ ( ( sizeof ( gray_TWorker ) +
+ sizeof ( TCell ) - 1 ) &
~( sizeof ( TCell ) - 1 ) );
rast->buffer_size = (long)( ( pool_base + pool_size ) -
(char*)rast->buffer ) &
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-18 01:39:11 +0000