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* src/cff/cffgload.c, src/psaux/t1decode.c, src/pshinter/pshrec.c, 

src/pshinter/ahalgo2.c, src/pshinter/pshglob.h: fixed a bug where
        the X and Y axis where inversed in the postscript hinter. this
        caused problem when displaying on non-square surfaces..
This commit is contained in:
David Turner 2001-12-21 15:59:43 +00:00
parent 3a664fca14
commit 7c0d20814a
6 changed files with 52 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
ChangeLog
View File

@ -1,5 +1,10 @@
2001-12-21 David Turner <david@freetype.org>
* src/cff/cffgload.c, src/psaux/t1decode.c, src/pshinter/pshrec.c,
src/pshinter/ahalgo2.c, src/pshinter/pshglob.h: fixed a bug where
the X and Y axis where inversed in the postscript hinter. this
caused problem when displaying on non-square surfaces..
* include/freetype/cache/ftcmanag.h, include/freetype/cache/ftcimage.h,
include/freetype/cache/ftcsbits.h: updating documentation to better
explain the use of the "anode" output parameter in lookup functions

4
src/cff/cffgload.c
View File

@ -1080,7 +1080,7 @@
if ( hinter )
hinter->stems( hinter->hints,
( op == cff_op_vstem || op == cff_op_vstemhm ),
( op == cff_op_hstem || op == cff_op_hstemhm ),
num_args / 2,
args );
@ -1097,7 +1097,7 @@
{
if ( hinter )
hinter->stems( hinter->hints,
1,
0,
num_args / 2,
args );

8
src/psaux/t1decode.c
View File

@ -1014,7 +1014,7 @@
if ( hinter )
{
/* top[0] += builder->left_bearing.y; */
hinter->stem( hinter->hints, 0, top );
hinter->stem( hinter->hints, 1, top );
}
break;
@ -1024,7 +1024,7 @@
/* record horizontal counter-controlled hints */
if ( hinter )
hinter->stem3( hinter->hints, 0, top );
hinter->stem3( hinter->hints, 1, top );
break;
@ -1035,7 +1035,7 @@
if ( hinter )
{
top[0] += orig_x;
hinter->stem( hinter->hints, 1, top );
hinter->stem( hinter->hints, 0, top );
}
break;
@ -1051,7 +1051,7 @@
top[0] += dx;
top[2] += dx;
top[4] += dx;
hinter->stem3( hinter->hints, 1, top );
hinter->stem3( hinter->hints, 0, top );
}
break;

70
src/pshinter/pshalgo2.c
View File

@ -330,7 +330,7 @@
ps2_simple_scale( PSH2_Hint_Table table,
FT_Fixed scale,
FT_Fixed delta,
FT_Int vertical )
FT_Int dimension )
{
PSH2_Hint hint;
FT_UInt count;
@ -344,7 +344,7 @@
hint->cur_len = FT_MulFix( hint->org_len, scale );
if ( ps2_debug_hint_func )
ps2_debug_hint_func( hint, vertical );
ps2_debug_hint_func( hint, dimension );
}
}
#endif
@ -353,9 +353,9 @@
static void
psh2_hint_align( PSH2_Hint hint,
PSH_Globals globals,
FT_Int vertical )
FT_Int dimension )
{
PSH_Dimension dim = &globals->dimension[vertical];
PSH_Dimension dim = &globals->dimension[dimension];
FT_Fixed scale = dim->scale_mult;
FT_Fixed delta = dim->scale_delta;
@ -388,7 +388,7 @@
align.align = 0;
align.align_bot = align.align_top = 0;
if ( !vertical )
if ( dimension == 1 )
psh_blues_snap_stem( &globals->blues,
hint->org_pos + hint->org_len,
hint->org_pos,
@ -425,7 +425,7 @@
/* ensure that parent is already fitted */
if ( !psh2_hint_is_fitted( parent ) )
psh2_hint_align( parent, globals, vertical );
psh2_hint_align( parent, globals, dimension );
par_org_center = parent->org_pos + ( parent->org_len / 2);
par_cur_center = parent->cur_pos + ( parent->cur_len / 2);
@ -461,7 +461,7 @@
#ifdef DEBUG_HINTER
if ( ps2_debug_hint_func )
ps2_debug_hint_func( hint, vertical );
ps2_debug_hint_func( hint, dimension );
#endif
}
}
@ -470,26 +470,26 @@
static void
psh2_hint_table_align_hints( PSH2_Hint_Table table,
PSH_Globals globals,
FT_Int vertical )
FT_Int dimension )
{
PSH2_Hint hint;
FT_UInt count;
#ifdef DEBUG_HINTER
PSH_Dimension dim = &globals->dimension[vertical];
PSH_Dimension dim = &globals->dimension[dimension];
FT_Fixed scale = dim->scale_mult;
FT_Fixed delta = dim->scale_delta;
if ( ps_debug_no_vert_hints && vertical )
if ( ps_debug_no_vert_hints && dimension == 0 )
{
ps2_simple_scale( table, scale, delta, vertical );
ps2_simple_scale( table, scale, delta, dimension );
return;
}
if ( ps_debug_no_horz_hints && !vertical )
if ( ps_debug_no_horz_hints && dimension == 1 )
{
ps2_simple_scale( table, scale, delta, vertical );
ps2_simple_scale( table, scale, delta, dimension );
return;
}
#endif
@ -498,7 +498,7 @@
count = table->max_hints;
for ( ; count > 0; count--, hint++ )
psh2_hint_align( hint, globals, vertical );
psh2_hint_align( hint, globals, dimension );
}
@ -688,13 +688,13 @@
psh2_hint_table_tune_outline( PSH2_Hint_Table table,
FT_Outline* outline,
PSH_Globals globals,
FT_Int vertical )
FT_Int dimension )
{
FT_UInt count, first, last;
PS_Mask_Table hint_masks = table->hint_masks;
PS_Mask mask;
PSH_Dimension dim = &globals->dimension[vertical];
PSH_Dimension dim = &globals->dimension[dimension];
FT_Fixed scale = dim->scale_mult;
FT_Fixed delta = dim->scale_delta;
@ -716,7 +716,7 @@
psh2_hint_table_activate_mask( table, mask );
psh2_hint_table_optimize( table, globals, outline, vertical );
psh2_hint_table_optimize( table, globals, outline, dimension );
psh2_hint_table_setup_zones( table, scale, delta );
last = mask->end_point;
@ -728,7 +728,7 @@
FT_Pos x, *px;
px = vertical ? &vec->x : &vec->y;
px = dimension ? &vec->y : &vec->x;
x = *px;
*px = psh2_hint_table_tune_coord( table, (FT_Int)x );
@ -746,7 +746,7 @@
vec = outline->points;
count = outline->n_points;
if ( vertical )
if ( dimension == 0 )
{
for ( ; count > 0; count--, vec++ )
vec->x = FT_MulFix( vec->x, scale ) + delta;
@ -999,7 +999,7 @@
/* load outline point coordinates into hinter glyph */
static void
psh2_glyph_load_points( PSH2_Glyph glyph,
FT_Int vertical )
FT_Int dimension )
{
FT_Vector* vec = glyph->outline->points;
PSH2_Point point = glyph->points;
@ -1010,7 +1010,7 @@
{
point->flags &= PSH2_POINT_OFF | PSH2_POINT_SMOOTH;
point->hint = 0;
if ( vertical )
if ( dimension == 0 )
point->org_u = vec->x;
else
point->org_u = vec->y;
@ -1026,7 +1026,7 @@
/* save hinted point coordinates back to outline */
static void
psh2_glyph_save_points( PSH2_Glyph glyph,
FT_Int vertical )
FT_Int dimension )
{
FT_UInt n;
PSH2_Point point = glyph->points;
@ -1036,16 +1036,16 @@
for ( n = 0; n < glyph->num_points; n++ )
{
if ( vertical )
if ( dimension == 0 )
vec[n].x = point->cur_u;
else
vec[n].y = point->cur_u;
if ( psh2_point_is_strong( point ) )
tags[n] |= vertical ? 32 : 64;
tags[n] |= (dimension == 0) ? 32 : 64;
#ifdef DEBUG_HINTER
if ( vertical )
if ( dimension == 0 )
{
point->cur_x = point->cur_u;
point->flags_x = point->flags;
@ -1115,16 +1115,16 @@
/* find strong points in a glyph */
static void
psh2_glyph_find_strong_points( PSH2_Glyph glyph,
FT_Int vertical )
FT_Int dimension )
{
/* a point is strong if it is located on a stem */
/* edge and has an "in" or "out" tangent to the hint's direction */
{
PSH2_Hint_Table table = &glyph->hint_tables[vertical];
PSH2_Hint_Table table = &glyph->hint_tables[dimension];
PS_Mask mask = table->hint_masks->masks;
FT_UInt num_masks = table->hint_masks->num_masks;
FT_UInt first = 0;
FT_Int major_dir = vertical ? PSH2_DIR_UP : PSH2_DIR_RIGHT;
FT_Int major_dir = dimension == 0 ? PSH2_DIR_UP : PSH2_DIR_RIGHT;
/* process secondary hints to "selected" points */
@ -1186,9 +1186,9 @@
/* interpolate strong points with the help of hinted coordinates */
static void
psh2_glyph_interpolate_strong_points( PSH2_Glyph glyph,
FT_Int vertical )
FT_Int dimension )
{
PSH_Dimension dim = &glyph->globals->dimension[vertical];
PSH_Dimension dim = &glyph->globals->dimension[dimension];
FT_Fixed scale = dim->scale_mult;
@ -1231,10 +1231,10 @@
static void
psh2_glyph_interpolate_normal_points( PSH2_Glyph glyph,
FT_Int vertical )
FT_Int dimension )
{
#if 1
PSH_Dimension dim = &glyph->globals->dimension[vertical];
PSH_Dimension dim = &glyph->globals->dimension[dimension];
FT_Fixed scale = dim->scale_mult;
@ -1344,9 +1344,9 @@
/* interpolate other points */
static void
psh2_glyph_interpolate_other_points( PSH2_Glyph glyph,
FT_Int vertical )
FT_Int dimension )
{
PSH_Dimension dim = &glyph->globals->dimension[vertical];
PSH_Dimension dim = &glyph->globals->dimension[dimension];
FT_Fixed scale = dim->scale_mult;
FT_Fixed delta = dim->scale_delta;
PSH2_Contour contour = glyph->contours;
@ -1520,7 +1520,7 @@
if ( error )
goto Exit;
for ( dimension = 1; dimension >= 0; dimension-- )
for ( dimension = 0; dimension < 2; dimension++ )
{
/* load outline coordinates into glyph */
psh2_glyph_load_points( glyph, dimension );

4
src/pshinter/pshglob.h
View File

@ -129,7 +129,9 @@ FT_BEGIN_HEADER
} PSH_BluesRec, *PSH_Blues;
/* font globals */
/* font globals. */
/* dimension 0 => X coordinates + vertical hints/stems */
/* dimension 1 => Y coordinates + horizontal hints/stems */
typedef struct PSH_GlobalsRec_
{
FT_Memory memory;

4
src/pshinter/pshrec.h
View File

@ -129,7 +129,9 @@ FT_BEGIN_HEADER
#define PS_HINTS_MAGIC 0x68696e74 /* "hint" */
/* glyph hints descriptor */
/* glyph hints descriptor */
/* dimension 0 => X coordinates + vertical hints/stems */
/* dimension 1 => Y coordinates + horizontal hints/stems */
typedef struct PS_HintsRec_
{
FT_Memory memory;