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[truetype] Fix various artifacts.

This commit is contained in:
Infinality 2012-06-28 20:34:26 -05:00
parent 34de9d2644
commit d0a827b340
3 changed files with 41 additions and 33 deletions
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18
ChangeLog
View File

@ -1,3 +1,21 @@
2012-06-28 Infinality <infinality@infinality.net>
[truetype] Fix various artifacts.
Verdana was broken in the original Infinality commit. Also
includes other minor fixes.
* src/truetype/ttsubpix.h: Updated. Removed unused macros.
(RASTERIZER_35_Rules): Add Verdana.
(SKIP_NONPIXEL_Y_MOVES_Rules): Add Tahoma `s'.
(MIRP_CVT_ZERO_Rules): Remove Verdana.
(ALWAYS_SKIP_DELTAP_Rules): Add Russian char 0x438.
(COMPATIBLE_WIDTHS_Rules): Rearrange some rules.
(X_SCALING_Rules): Adjust Verdana `a' at 12 and 13 ppem.
* src/truetype/ttsubpix.c: Updated.
(sph_set_tweaks): Re-execute fpgm always.
2012-06-28 Gilles Espinasse <g.esp@free.fr>
Fix CFLAGS and LDFLAGS share configure test.

29
src/truetype/ttsubpix.c
View File

@ -227,29 +227,14 @@
TWEAK_RULES_EXCEPTIONS( ROUND_NONPIXEL_Y_MOVES );
if ( loader->exec->sph_tweak_flags & SPH_TWEAK_RASTERIZER_35 )
{
if ( loader->exec->rasterizer_version != 35 )
{
loader->exec->rasterizer_version = 35;
/* must re-execute fpgm */
loader->exec->size->cvt_ready = FALSE;
tt_size_ready_bytecode(
loader->exec->size,
FT_BOOL( loader->load_flags & FT_LOAD_PEDANTIC ) );
}
}
loader->exec->rasterizer_version = 35;
else
{
if ( loader->exec->rasterizer_version == 35 )
{
loader->exec->rasterizer_version = SPH_OPTION_SET_RASTERIZER_VERSION;
/* must re-execute fpgm */
loader->exec->size->cvt_ready = FALSE;
tt_size_ready_bytecode(
loader->exec->size,
FT_BOOL( loader->load_flags & FT_LOAD_PEDANTIC ) );
}
}
loader->exec->rasterizer_version = SPH_OPTION_SET_RASTERIZER_VERSION;
/* re-execute fpgm always to avoid problems */
loader->exec->size->cvt_ready = FALSE;
tt_size_ready_bytecode( loader->exec->size,
FT_BOOL( loader->load_flags & FT_LOAD_PEDANTIC ) );
if ( IS_HINTED( loader->load_flags ) )
{

27
src/truetype/ttsubpix.h
View File

@ -119,8 +119,6 @@ FT_BEGIN_HEADER
#define SPH_OPTION_SET_GRAYSCALE FALSE
#define SPH_OPTION_SET_COMPATIBLE_WIDTHS FALSE
#define SPH_OPTION_SET_RASTERIZER_VERSION 38
#define SPH_OPTION_GRIDLINES_PER_PIXEL_X 64
#define SPH_OPTION_GRIDLINES_PER_PIXEL_Y 1
/* Define this to force natural (i.e. not bitmap-compatible) widths. */
@ -392,7 +390,7 @@ FT_BEGIN_HEADER
/* Skip Y moves that start with a point that is not on a Y pixel */
/* boundary and don't move that point to a Y pixel boundary. */
#define SKIP_NONPIXEL_Y_MOVES_RULES_SIZE 9
#define SKIP_NONPIXEL_Y_MOVES_RULES_SIZE 10
SPH_TweakRule SKIP_NONPIXEL_Y_MOVES_Rules
[SKIP_NONPIXEL_Y_MOVES_RULES_SIZE] =
@ -411,6 +409,8 @@ FT_BEGIN_HEADER
{ "Ubuntu", 0, "Regular Class", 'N' },
/* Fix misshapen x */
{ "Verdana", 0, "Bold", 'x' },
/* Fix misshapen s */
{ "Tahoma", 0, "", 's' },
};
@ -514,7 +514,7 @@ FT_BEGIN_HEADER
/* Return MS rasterizer version 35 if matched. */
#define RASTERIZER_35_RULES_SIZE 8
#define RASTERIZER_35_RULES_SIZE 9
SPH_TweakRule RASTERIZER_35_Rules
[RASTERIZER_35_RULES_SIZE] =
@ -528,6 +528,9 @@ FT_BEGIN_HEADER
{ "Times New Roman", 0, "Regular", 'n' },
{ "Times New Roman", 0, "Regular", 'p' },
{ "Times", 0, "", 0 },
/* Verdana 5.05 from Windows 7 SP1 has issues at 37+ */
/* This is only a workaround */
{ "Verdana", 0, "", 0 },
};
@ -564,7 +567,7 @@ FT_BEGIN_HEADER
/* Skip DELTAP instructions if matched. */
#define ALWAYS_SKIP_DELTAP_RULES_SIZE 13
#define ALWAYS_SKIP_DELTAP_RULES_SIZE 14
SPH_TweakRule ALWAYS_SKIP_DELTAP_Rules
[ALWAYS_SKIP_DELTAP_RULES_SIZE] =
@ -577,6 +580,7 @@ FT_BEGIN_HEADER
{ "Verdana", 10, "Regular", 0 },
{ "Verdana", 9, "Regular", 0 },
/* Cyrillic small letter short I */
{ "Legacy Sans Fonts", 0, "", 0x438 },
{ "Legacy Sans Fonts", 0, "", 0x439 },
{ "Arial", 10, "Regular", '6' },
{ "Arial", 0, "Bold/BoldItalic Class", 'a' },
@ -615,7 +619,7 @@ FT_BEGIN_HEADER
SPH_TweakRule MIRP_CVT_ZERO_Rules
[MIRP_CVT_ZERO_RULES_SIZE] =
{
{ "Verdana", 0, "Regular", 0 },
{ "-", 0, "", 0 },
};
@ -802,13 +806,13 @@ FT_BEGIN_HEADER
/* Cyrillic small letter sha */
{ "Verdana", 10, "Regular Class", 0x448 },
{ "Verdana", 11, "Regular Class", 0x448 },
{ "Verdana and Clones", 12, "Regular Class", 'm' },
{ "Verdana and Clones", 12, "Regular Class", 'l' },
{ "Verdana and Clones", 12, "Regular Class", 'i' },
{ "Verdana and Clones", 12, "Regular Class", 'j' },
{ "Verdana and Clones", 13, "Regular Class", 'l' },
{ "Verdana and Clones", 12, "Regular Class", 'l' },
{ "Verdana and Clones", 12, "Regular Class", 'm' },
{ "Verdana and Clones", 13, "Regular Class", 'i' },
{ "Verdana and Clones", 13, "Regular Class", 'j' },
{ "Verdana and Clones", 13, "Regular Class", 'l' },
{ "Verdana and Clones", 14, "Regular Class", 'm' },
};
@ -817,13 +821,14 @@ FT_BEGIN_HEADER
/* more visually pleasing glyphs in certain cases. */
/* This sometimes needs to be coordinated with compatible width rules. */
/* A value of 1000 corresponds to a scaled value of 1.0. */
#define X_SCALING_RULES_SIZE 40
#define X_SCALING_RULES_SIZE 41
SPH_ScaleRule X_SCALING_Rules
[X_SCALING_RULES_SIZE] =
{
{ "DejaVu Sans", 12, "Regular Class", 'm', 950 },
{ "Verdana and Clones", 12, "Regular Class", 'a', 1000 },
{ "Verdana and Clones", 12, "Regular Class", 'a', 1100 },
{ "Verdana and Clones", 13, "Regular Class", 'a', 1050 },
{ "Arial", 11, "Regular Class", 'm', 975 },
{ "Arial", 12, "Regular Class", 'm', 1050 },
/* Cyrillic small letter el */