From fa791414601df61d20d860299dba80fdb62565df Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 21 Jun 2013 10:45:51 +0200 Subject: Upgraded freetype to 2.5.0.1 --- freetype/src/raster/ftraster.c | 117 +++++++++++++++++++++++++---------------- 1 file changed, 72 insertions(+), 45 deletions(-) (limited to 'freetype/src/raster/ftraster.c') diff --git a/freetype/src/raster/ftraster.c b/freetype/src/raster/ftraster.c index 7d5bcaef5..bbd503d97 100644 --- a/freetype/src/raster/ftraster.c +++ b/freetype/src/raster/ftraster.c @@ -4,7 +4,7 @@ /* */ /* The FreeType glyph rasterizer (body). */ /* */ -/* Copyright 1996-2003, 2005, 2007-2012 by */ +/* Copyright 1996-2003, 2005, 2007-2013 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -179,6 +179,9 @@ #ifdef _STANDALONE_ + /* Auxiliary macros for token concatenation. */ +#define FT_ERR_XCAT( x, y ) x ## y +#define FT_ERR_CAT( x, y ) FT_ERR_XCAT( x, y ) /* This macro is used to indicate that a function parameter is unused. */ /* Its purpose is simply to reduce compiler warnings. Note also that */ @@ -187,7 +190,7 @@ #define FT_UNUSED( x ) (x) = (x) /* Disable the tracing mechanism for simplicity -- developers can */ - /* activate it easily by redefining these two macros. */ + /* activate it easily by redefining these macros. */ #ifndef FT_ERROR #define FT_ERROR( x ) do { } while ( 0 ) /* nothing */ #endif @@ -198,6 +201,10 @@ #define FT_TRACE6( x ) do { } while ( 0 ) /* nothing */ #endif +#ifndef FT_THROW +#define FT_THROW( e ) FT_ERR_CAT( Raster_Err_, e ) +#endif + #define Raster_Err_None 0 #define Raster_Err_Not_Ini -1 #define Raster_Err_Overflow -2 @@ -224,11 +231,11 @@ #include FT_INTERNAL_OBJECTS_H -#include FT_INTERNAL_DEBUG_H /* for FT_TRACE() and FT_ERROR() */ +#include FT_INTERNAL_DEBUG_H /* for FT_TRACE, FT_ERROR, and FT_THROW */ #include "rasterrs.h" -#define Raster_Err_None Raster_Err_Ok +#define Raster_Err_None FT_Err_Ok #define Raster_Err_Not_Ini Raster_Err_Raster_Uninitialized #define Raster_Err_Overflow Raster_Err_Raster_Overflow #define Raster_Err_Neg_Height Raster_Err_Raster_Negative_Height @@ -303,6 +310,7 @@ typedef short Short; typedef unsigned short UShort, *PUShort; typedef long Long, *PLong; + typedef unsigned long ULong; typedef unsigned char Byte, *PByte; typedef char Bool; @@ -441,12 +449,14 @@ #define FLOOR( x ) ( (x) & -ras.precision ) #define CEILING( x ) ( ( (x) + ras.precision - 1 ) & -ras.precision ) -#define TRUNC( x ) ( (signed long)(x) >> ras.precision_bits ) +#define TRUNC( x ) ( (Long)(x) >> ras.precision_bits ) #define FRAC( x ) ( (x) & ( ras.precision - 1 ) ) -#define SCALED( x ) ( ( (x) << ras.scale_shift ) - ras.precision_half ) +#define SCALED( x ) ( ( (ULong)(x) << ras.scale_shift ) - ras.precision_half ) -#define IS_BOTTOM_OVERSHOOT( x ) ( CEILING( x ) - x >= ras.precision_half ) -#define IS_TOP_OVERSHOOT( x ) ( x - FLOOR( x ) >= ras.precision_half ) +#define IS_BOTTOM_OVERSHOOT( x ) \ + (Bool)( CEILING( x ) - x >= ras.precision_half ) +#define IS_TOP_OVERSHOOT( x ) \ + (Bool)( x - FLOOR( x ) >= ras.precision_half ) /* The most used variables are positioned at the top of the structure. */ /* Thus, their offset can be coded with less opcodes, resulting in a */ @@ -655,7 +665,7 @@ /* Set precision variables according to param flag. */ /* */ /* */ - /* High :: Set to True for high precision (typically for ppem < 18), */ + /* High :: Set to True for high precision (typically for ppem < 24), */ /* false otherwise. */ /* */ static void @@ -735,7 +745,7 @@ if ( ras.top >= ras.maxBuff ) { - ras.error = Raster_Err_Overflow; + ras.error = FT_THROW( Overflow ); return FAILURE; } @@ -765,7 +775,7 @@ default: FT_ERROR(( "New_Profile: invalid profile direction\n" )); - ras.error = Raster_Err_Invalid; + ras.error = FT_THROW( Invalid ); return FAILURE; } @@ -798,8 +808,7 @@ static Bool End_Profile( RAS_ARGS Bool overshoot ) { - Long h; - PProfile oldProfile; + Long h; h = (Long)( ras.top - ras.cProfile->offset ); @@ -807,12 +816,15 @@ if ( h < 0 ) { FT_ERROR(( "End_Profile: negative height encountered\n" )); - ras.error = Raster_Err_Neg_Height; + ras.error = FT_THROW( Neg_Height ); return FAILURE; } if ( h > 0 ) { + PProfile oldProfile; + + FT_TRACE6(( "Ending profile %p, start = %ld, height = %ld\n", ras.cProfile, ras.cProfile->start, h )); @@ -840,7 +852,7 @@ if ( ras.top >= ras.maxBuff ) { FT_TRACE1(( "overflow in End_Profile\n" )); - ras.error = Raster_Err_Overflow; + ras.error = FT_THROW( Overflow ); return FAILURE; } @@ -869,7 +881,7 @@ Insert_Y_Turn( RAS_ARGS Int y ) { PLong y_turns; - Int y2, n; + Int n; n = ras.numTurns - 1; @@ -883,7 +895,9 @@ if ( n >= 0 && y > y_turns[n] ) while ( n >= 0 ) { - y2 = (Int)y_turns[n]; + Int y2 = (Int)y_turns[n]; + + y_turns[n] = y; y = y2; n--; @@ -894,7 +908,7 @@ ras.maxBuff--; if ( ras.maxBuff <= ras.top ) { - ras.error = Raster_Err_Overflow; + ras.error = FT_THROW( Overflow ); return FAILURE; } ras.numTurns++; @@ -919,7 +933,6 @@ static Bool Finalize_Profile_Table( RAS_ARG ) { - Int bottom, top; UShort n; PProfile p; @@ -931,6 +944,9 @@ { while ( n > 0 ) { + Int bottom, top; + + if ( n > 1 ) p->link = (PProfile)( p->offset + p->height ); else @@ -1145,7 +1161,7 @@ size = e2 - e1 + 1; if ( ras.top + size >= ras.maxBuff ) { - ras.error = Raster_Err_Overflow; + ras.error = FT_THROW( Overflow ); return FAILURE; } @@ -1320,7 +1336,7 @@ if ( ( top + TRUNC( e2 - e ) + 1 ) >= ras.maxBuff ) { ras.top = top; - ras.error = Raster_Err_Overflow; + ras.error = FT_THROW( Overflow ); return FAILURE; } @@ -1995,7 +2011,7 @@ return SUCCESS; Invalid_Outline: - ras.error = Raster_Err_Invalid; + ras.error = FT_THROW( Invalid ); Fail: return FAILURE; @@ -2024,8 +2040,6 @@ int i; unsigned start; - PProfile lastProfile; - ras.fProfile = NULL; ras.joint = FALSE; @@ -2043,7 +2057,8 @@ for ( i = 0; i < ras.outline.n_contours; i++ ) { - Bool o; + PProfile lastProfile; + Bool o; ras.state = Unknown_State; @@ -2267,8 +2282,6 @@ PProfile right ) { Long e1, e2; - int c1, c2; - Byte f1, f2; Byte* target; FT_UNUSED( y ); @@ -2287,6 +2300,10 @@ if ( e2 >= 0 && e1 < ras.bWidth ) { + int c1, c2; + Byte f1, f2; + + if ( e1 < 0 ) e1 = 0; if ( e2 >= ras.bWidth ) @@ -2510,21 +2527,24 @@ PProfile left, PProfile right ) { - Long e1, e2; - PByte bits; - Byte f1; - FT_UNUSED( left ); FT_UNUSED( right ); if ( x2 - x1 < ras.precision ) { + Long e1, e2; + + e1 = CEILING( x1 ); e2 = FLOOR ( x2 ); if ( e1 == e2 ) { + Byte f1; + PByte bits; + + bits = ras.bTarget + ( y >> 3 ); f1 = (Byte)( 0x80 >> ( y & 7 ) ); @@ -2721,8 +2741,6 @@ static void Vertical_Gray_Sweep_Step( RAS_ARG ) { - Int c1, c2; - PByte pix, bit, bit2; short* count = (short*)count_table; Byte* grays; @@ -2731,6 +2749,9 @@ if ( ras.traceOfs > ras.gray_width ) { + PByte pix; + + pix = ras.gTarget + ras.traceG + ras.gray_min_x * 4; grays = ras.grays; @@ -2741,6 +2762,9 @@ Int last_bit = last_pixel & 3; Bool over = 0; + Int c1, c2; + PByte bit, bit2; + if ( ras.gray_max_x >= last_cell && last_bit != 3 ) { @@ -2833,7 +2857,6 @@ { Long e1, e2; PByte pixel; - Byte color; /* During the horizontal sweep, we only take care of drop-outs */ @@ -2887,6 +2910,9 @@ if ( e1 >= 0 ) { + Byte color; + + if ( x2 - x1 >= ras.precision_half ) color = ras.grays[2]; else @@ -2964,7 +2990,7 @@ /* check the Y-turns */ if ( ras.numTurns == 0 ) { - ras.error = Raster_Err_Invalid; + ras.error = FT_THROW( Invalid ); return FAILURE; } @@ -3205,7 +3231,7 @@ if ( ras.band_top >= 7 || k < i ) { ras.band_top = 0; - ras.error = Raster_Err_Invalid; + ras.error = FT_THROW( Invalid ); return ras.error; } @@ -3394,7 +3420,7 @@ { FT_UNUSED_RASTER; - return Raster_Err_Unsupported; + return FT_THROW( Unsupported ); } #endif /* !FT_RASTER_OPTION_ANTI_ALIASING */ @@ -3499,7 +3525,8 @@ raster->buffer = pool_base + ( ( sizeof ( *worker ) + 7 ) & ~7 ); - raster->buffer_size = pool_base + pool_size - (char*)raster->buffer; + raster->buffer_size = (long)( pool_base + pool_size - + (char*)raster->buffer ); raster->worker = worker; } else @@ -3549,37 +3576,37 @@ if ( !raster || !raster->buffer || !raster->buffer_size ) - return Raster_Err_Not_Ini; + return FT_THROW( Not_Ini ); if ( !outline ) - return Raster_Err_Invalid; + return FT_THROW( Invalid ); /* return immediately if the outline is empty */ if ( outline->n_points == 0 || outline->n_contours <= 0 ) return Raster_Err_None; if ( !outline->contours || !outline->points ) - return Raster_Err_Invalid; + return FT_THROW( Invalid ); if ( outline->n_points != outline->contours[outline->n_contours - 1] + 1 ) - return Raster_Err_Invalid; + return FT_THROW( Invalid ); worker = raster->worker; /* this version of the raster does not support direct rendering, sorry */ if ( params->flags & FT_RASTER_FLAG_DIRECT ) - return Raster_Err_Unsupported; + return FT_THROW( Unsupported ); if ( !target_map ) - return Raster_Err_Invalid; + return FT_THROW( Invalid ); /* nothing to do */ if ( !target_map->width || !target_map->rows ) return Raster_Err_None; if ( !target_map->buffer ) - return Raster_Err_Invalid; + return FT_THROW( Invalid ); ras.outline = *outline; ras.target = *target_map; -- cgit v1.2.3