summaryrefslogtreecommitdiff
path: root/Build/source/libs/freetype2/freetype-src/src/smooth
diff options
context:
space:
mode:
authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2016-12-30 23:22:05 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2016-12-30 23:22:05 +0000
commitc1c7df45902c28d68a07508d11224cef86edcb0d (patch)
treef00af2d1129c70381279ba7db2c699ede0738f51 /Build/source/libs/freetype2/freetype-src/src/smooth
parent770c1f2b994c43dfec555e1411995aa3700d406d (diff)
freetype2 2.7.1
git-svn-id: svn://tug.org/texlive/trunk@42811 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/smooth')
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/smooth/ftgrays.c114
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/smooth/ftsmooth.c73
2 files changed, 85 insertions, 102 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/smooth/ftgrays.c b/Build/source/libs/freetype2/freetype-src/src/smooth/ftgrays.c
index 59fafdb4def..ba42c9ca968 100644
--- a/Build/source/libs/freetype2/freetype-src/src/smooth/ftgrays.c
+++ b/Build/source/libs/freetype2/freetype-src/src/smooth/ftgrays.c
@@ -286,6 +286,10 @@ typedef ptrdiff_t FT_PtrDist;
#define FT_MEM_ZERO( dest, count ) FT_MEM_SET( dest, 0, count )
#endif
+#ifndef FT_ZERO
+#define FT_ZERO( p ) FT_MEM_ZERO( p, sizeof ( *(p) ) )
+#endif
+
/* as usual, for the speed hungry :-) */
#undef RAS_ARG
@@ -371,8 +375,9 @@ typedef ptrdiff_t FT_PtrDist;
/* These macros speed up repetitive divisions by replacing them */
/* with multiplications and right shifts. */
-#define FT_UDIVPREP( b ) \
- long b ## _r = (long)( FT_ULONG_MAX >> PIXEL_BITS ) / ( b )
+#define FT_UDIVPREP( c, b ) \
+ long b ## _r = c ? (long)( FT_ULONG_MAX >> PIXEL_BITS ) / ( b ) \
+ : 0
#define FT_UDIV( a, b ) \
( ( (unsigned long)( a ) * (unsigned long)( b ## _r ) ) >> \
( sizeof( long ) * FT_CHAR_BIT - PIXEL_BITS ) )
@@ -438,6 +443,7 @@ typedef ptrdiff_t FT_PtrDist;
TCoord cover;
int invalid;
+ PCell* ycells;
PCell cells;
FT_PtrDist max_cells;
FT_PtrDist num_cells;
@@ -450,8 +456,6 @@ typedef ptrdiff_t FT_PtrDist;
FT_Raster_Span_Func render_span;
void* render_span_data;
- PCell* ycells;
-
} gray_TWorker, *gray_PWorker;
#if defined( _MSC_VER )
@@ -504,25 +508,22 @@ typedef ptrdiff_t FT_PtrDist;
/* */
/* Record the current cell in the table. */
/* */
- static PCell
- gray_find_cell( RAS_ARG )
+ static void
+ gray_record_cell( RAS_ARG )
{
PCell *pcell, cell;
TCoord x = ras.ex;
- if ( x > ras.max_ex )
- x = ras.max_ex;
-
pcell = &ras.ycells[ras.ey - ras.min_ey];
for (;;)
{
cell = *pcell;
- if ( cell == NULL || cell->x > x )
+ if ( !cell || cell->x > x )
break;
if ( cell->x == x )
- goto Exit;
+ goto Found;
pcell = &cell->next;
}
@@ -530,30 +531,21 @@ typedef ptrdiff_t FT_PtrDist;
if ( ras.num_cells >= ras.max_cells )
ft_longjmp( ras.jump_buffer, 1 );
+ /* insert new cell */
cell = ras.cells + ras.num_cells++;
cell->x = x;
- cell->area = 0;
- cell->cover = 0;
+ cell->area = ras.area;
+ cell->cover = ras.cover;
cell->next = *pcell;
*pcell = cell;
- Exit:
- return cell;
- }
-
+ return;
- static void
- gray_record_cell( RAS_ARG )
- {
- if ( ras.area | ras.cover )
- {
- PCell cell = gray_find_cell( RAS_VAR );
-
-
- cell->area += ras.area;
- cell->cover += ras.cover;
- }
+ Found:
+ /* update old cell */
+ cell->area += ras.area;
+ cell->cover += ras.cover;
}
@@ -577,24 +569,18 @@ typedef ptrdiff_t FT_PtrDist;
/* All cells that are on the left of the clipping region go to the */
/* min_ex - 1 horizontal position. */
- if ( ex > ras.max_ex )
- ex = ras.max_ex;
if ( ex < ras.min_ex )
ex = ras.min_ex - 1;
- /* are we moving to a different cell ? */
- if ( ex != ras.ex || ey != ras.ey )
- {
- /* record the current one if it is valid */
- if ( !ras.invalid )
- gray_record_cell( RAS_VAR );
+ /* record the current one if it is valid */
+ if ( !ras.invalid )
+ gray_record_cell( RAS_VAR );
- ras.area = 0;
- ras.cover = 0;
- ras.ex = ex;
- ras.ey = ey;
- }
+ ras.area = 0;
+ ras.cover = 0;
+ ras.ex = ex;
+ ras.ey = ey;
ras.invalid = ( ey >= ras.max_ey || ey < ras.min_ey ||
ex >= ras.max_ex );
@@ -908,8 +894,8 @@ typedef ptrdiff_t FT_PtrDist;
else /* any other line */
{
TPos prod = dx * fy1 - dy * fx1;
- FT_UDIVPREP( dx );
- FT_UDIVPREP( dy );
+ FT_UDIVPREP( ex1 != ex2, dx );
+ FT_UDIVPREP( ey1 != ey2, dy );
/* The fundamental value `prod' determines which side and the */
@@ -1316,9 +1302,6 @@ typedef ptrdiff_t FT_PtrDist;
int y;
- if ( ras.num_cells == 0 )
- return;
-
FT_TRACE7(( "gray_sweep: start\n" ));
for ( y = ras.min_ey; y < ras.max_ey; y++ )
@@ -1718,12 +1701,14 @@ typedef ptrdiff_t FT_PtrDist;
FT_DEFINE_OUTLINE_FUNCS(
func_interface,
- (FT_Outline_MoveTo_Func) gray_move_to,
- (FT_Outline_LineTo_Func) gray_line_to,
- (FT_Outline_ConicTo_Func)gray_conic_to,
- (FT_Outline_CubicTo_Func)gray_cubic_to,
- 0,
- 0 )
+ (FT_Outline_MoveTo_Func) gray_move_to, /* move_to */
+ (FT_Outline_LineTo_Func) gray_line_to, /* line_to */
+ (FT_Outline_ConicTo_Func)gray_conic_to, /* conic_to */
+ (FT_Outline_CubicTo_Func)gray_cubic_to, /* cubic_to */
+
+ 0, /* shift */
+ 0 /* delta */
+ )
static int
@@ -1806,21 +1791,18 @@ typedef ptrdiff_t FT_PtrDist;
cell_start = ( ycount * sizeof ( PCell ) + sizeof ( TCell ) - 1 ) /
sizeof ( TCell );
- if ( FT_MAX_GRAY_POOL - cell_start < 2 )
- goto ReduceBands;
-
ras.cells = buffer + cell_start;
ras.max_cells = (FT_PtrDist)( FT_MAX_GRAY_POOL - cell_start );
+ ras.num_cells = 0;
ras.ycells = (PCell*)buffer;
while ( ycount )
ras.ycells[--ycount] = NULL;
}
- ras.num_cells = 0;
ras.invalid = 1;
ras.min_ey = band[1];
- ras.max_ey = ras.ey = band[0];
+ ras.max_ey = band[0];
error = gray_convert_glyph_inner( RAS_VAR );
@@ -1833,7 +1815,6 @@ typedef ptrdiff_t FT_PtrDist;
else if ( error != ErrRaster_Memory_Overflow )
return 1;
- ReduceBands:
/* render pool overflow; we will reduce the render band by half */
width >>= 1;
@@ -1859,8 +1840,8 @@ typedef ptrdiff_t FT_PtrDist;
gray_raster_render( FT_Raster raster,
const FT_Raster_Params* params )
{
- const FT_Outline* outline = (const FT_Outline*)params->source;
- const FT_Bitmap* target_map = params->target;
+ const FT_Outline* outline = (const FT_Outline*)params->source;
+ const FT_Bitmap* target_map = params->target;
FT_BBox cbox, clip;
#ifndef FT_STATIC_RASTER
@@ -1984,7 +1965,7 @@ typedef ptrdiff_t FT_PtrDist;
*araster = (FT_Raster)&the_raster;
- FT_MEM_ZERO( &the_raster, sizeof ( the_raster ) );
+ FT_ZERO( &the_raster );
return 0;
}
@@ -2060,11 +2041,12 @@ typedef ptrdiff_t FT_PtrDist;
FT_GLYPH_FORMAT_OUTLINE,
- (FT_Raster_New_Func) gray_raster_new,
- (FT_Raster_Reset_Func) gray_raster_reset,
- (FT_Raster_Set_Mode_Func)gray_raster_set_mode,
- (FT_Raster_Render_Func) gray_raster_render,
- (FT_Raster_Done_Func) gray_raster_done )
+ (FT_Raster_New_Func) gray_raster_new, /* raster_new */
+ (FT_Raster_Reset_Func) gray_raster_reset, /* raster_reset */
+ (FT_Raster_Set_Mode_Func)gray_raster_set_mode, /* raster_set_mode */
+ (FT_Raster_Render_Func) gray_raster_render, /* raster_render */
+ (FT_Raster_Done_Func) gray_raster_done /* raster_done */
+ )
/* END */
diff --git a/Build/source/libs/freetype2/freetype-src/src/smooth/ftsmooth.c b/Build/source/libs/freetype2/freetype-src/src/smooth/ftsmooth.c
index 79276765b1b..5f6aa60ef5c 100644
--- a/Build/source/libs/freetype2/freetype-src/src/smooth/ftsmooth.c
+++ b/Build/source/libs/freetype2/freetype-src/src/smooth/ftsmooth.c
@@ -87,7 +87,7 @@
FT_GlyphSlot slot,
FT_BBox* cbox )
{
- FT_MEM_ZERO( cbox, sizeof ( *cbox ) );
+ FT_ZERO( cbox );
if ( slot->format == render->glyph_format )
FT_Outline_Get_CBox( &slot->outline, cbox );
@@ -114,8 +114,8 @@
#ifndef FT_CONFIG_OPTION_SUBPIXEL_RENDERING
FT_Pos height_org, width_org;
#endif
- FT_Int hmul = mode == FT_RENDER_MODE_LCD;
- FT_Int vmul = mode == FT_RENDER_MODE_LCD_V;
+ FT_Int hmul = ( mode == FT_RENDER_MODE_LCD );
+ FT_Int vmul = ( mode == FT_RENDER_MODE_LCD_V );
FT_Raster_Params params;
@@ -428,7 +428,8 @@
}
- FT_DEFINE_RENDERER( ft_smooth_renderer_class,
+ FT_DEFINE_RENDERER(
+ ft_smooth_renderer_class,
FT_MODULE_RENDERER,
sizeof ( FT_RendererRec ),
@@ -437,25 +438,25 @@
0x10000L,
0x20000L,
- 0, /* module specific interface */
+ NULL, /* module specific interface */
- (FT_Module_Constructor)ft_smooth_init,
- (FT_Module_Destructor) 0,
- (FT_Module_Requester) 0
- ,
+ (FT_Module_Constructor)ft_smooth_init, /* module_init */
+ (FT_Module_Destructor) NULL, /* module_done */
+ (FT_Module_Requester) NULL, /* get_interface */
FT_GLYPH_FORMAT_OUTLINE,
- (FT_Renderer_RenderFunc) ft_smooth_render,
- (FT_Renderer_TransformFunc)ft_smooth_transform,
- (FT_Renderer_GetCBoxFunc) ft_smooth_get_cbox,
- (FT_Renderer_SetModeFunc) ft_smooth_set_mode,
+ (FT_Renderer_RenderFunc) ft_smooth_render, /* render_glyph */
+ (FT_Renderer_TransformFunc)ft_smooth_transform, /* transform_glyph */
+ (FT_Renderer_GetCBoxFunc) ft_smooth_get_cbox, /* get_glyph_cbox */
+ (FT_Renderer_SetModeFunc) ft_smooth_set_mode, /* set_mode */
- (FT_Raster_Funcs*) &FT_GRAYS_RASTER_GET
+ (FT_Raster_Funcs*)&FT_GRAYS_RASTER_GET /* raster_class */
)
- FT_DEFINE_RENDERER( ft_smooth_lcd_renderer_class,
+ FT_DEFINE_RENDERER(
+ ft_smooth_lcd_renderer_class,
FT_MODULE_RENDERER,
sizeof ( FT_RendererRec ),
@@ -464,24 +465,25 @@
0x10000L,
0x20000L,
- 0, /* module specific interface */
+ NULL, /* module specific interface */
- (FT_Module_Constructor)ft_smooth_init,
- (FT_Module_Destructor) 0,
- (FT_Module_Requester) 0
- ,
+ (FT_Module_Constructor)ft_smooth_init, /* module_init */
+ (FT_Module_Destructor) NULL, /* module_done */
+ (FT_Module_Requester) NULL, /* get_interface */
FT_GLYPH_FORMAT_OUTLINE,
- (FT_Renderer_RenderFunc) ft_smooth_render_lcd,
- (FT_Renderer_TransformFunc)ft_smooth_transform,
- (FT_Renderer_GetCBoxFunc) ft_smooth_get_cbox,
- (FT_Renderer_SetModeFunc) ft_smooth_set_mode,
+ (FT_Renderer_RenderFunc) ft_smooth_render_lcd, /* render_glyph */
+ (FT_Renderer_TransformFunc)ft_smooth_transform, /* transform_glyph */
+ (FT_Renderer_GetCBoxFunc) ft_smooth_get_cbox, /* get_glyph_cbox */
+ (FT_Renderer_SetModeFunc) ft_smooth_set_mode, /* set_mode */
- (FT_Raster_Funcs*) &FT_GRAYS_RASTER_GET
+ (FT_Raster_Funcs*)&FT_GRAYS_RASTER_GET /* raster_class */
)
- FT_DEFINE_RENDERER( ft_smooth_lcdv_renderer_class,
+
+ FT_DEFINE_RENDERER(
+ ft_smooth_lcdv_renderer_class,
FT_MODULE_RENDERER,
sizeof ( FT_RendererRec ),
@@ -490,21 +492,20 @@
0x10000L,
0x20000L,
- 0, /* module specific interface */
+ NULL, /* module specific interface */
- (FT_Module_Constructor)ft_smooth_init,
- (FT_Module_Destructor) 0,
- (FT_Module_Requester) 0
- ,
+ (FT_Module_Constructor)ft_smooth_init, /* module_init */
+ (FT_Module_Destructor) NULL, /* module_done */
+ (FT_Module_Requester) NULL, /* get_interface */
FT_GLYPH_FORMAT_OUTLINE,
- (FT_Renderer_RenderFunc) ft_smooth_render_lcd_v,
- (FT_Renderer_TransformFunc)ft_smooth_transform,
- (FT_Renderer_GetCBoxFunc) ft_smooth_get_cbox,
- (FT_Renderer_SetModeFunc) ft_smooth_set_mode,
+ (FT_Renderer_RenderFunc) ft_smooth_render_lcd_v, /* render_glyph */
+ (FT_Renderer_TransformFunc)ft_smooth_transform, /* transform_glyph */
+ (FT_Renderer_GetCBoxFunc) ft_smooth_get_cbox, /* get_glyph_cbox */
+ (FT_Renderer_SetModeFunc) ft_smooth_set_mode, /* set_mode */
- (FT_Raster_Funcs*) &FT_GRAYS_RASTER_GET
+ (FT_Raster_Funcs*)&FT_GRAYS_RASTER_GET /* raster_class */
)