/* */
/* PostScript hinting algorithm (body). */
/* */
-/* Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007 by */
+/* Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 */
+/* by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used */
if ( idx >= table->max_hints )
{
- FT_ERROR(( "psh_hint_table_record: invalid hint index %d\n", idx ));
+ FT_TRACE0(( "psh_hint_table_record: invalid hint index %d\n", idx ));
return;
}
if ( table->num_hints < table->max_hints )
table->sort_global[table->num_hints++] = hint;
else
- FT_ERROR(( "psh_hint_table_record: too many sorted hints! BUG!\n" ));
+ FT_TRACE0(( "psh_hint_table_record: too many sorted hints! BUG!\n" ));
}
FT_UInt idx;
- FT_ERROR(( "psh_hint_table_init: missing/incorrect hint masks!\n" ));
+ FT_TRACE0(( "psh_hint_table_init: missing/incorrect hint masks\n" ));
count = table->max_hints;
for ( idx = 0; idx < count; idx++ )
{
hint2 = sort[0];
if ( psh_hint_overlap( hint, hint2 ) )
- FT_ERROR(( "psh_hint_table_activate_mask:"
- " found overlapping hints\n" ))
+ FT_TRACE0(( "psh_hint_table_activate_mask:"
+ " found overlapping hints\n" ))
}
#else
count2 = 0;
if ( count < table->max_hints )
table->sort[count++] = hint;
else
- FT_ERROR(( "psh_hint_tableactivate_mask:"
- " too many active hints\n" ));
+ FT_TRACE0(( "psh_hint_tableactivate_mask:"
+ " too many active hints\n" ));
}
}
}
#ifdef DEBUG_ZONES
-#include <stdio.h>
+#include FT_CONFIG_STANDARD_LIBRARY_H
static void
psh_print_zone( PSH_Zone zone )
/* process secondary hints to `selected' points */
if ( num_masks > 1 && glyph->num_points > 0 )
{
- first = mask->end_point;
+ /* the `endchar' op can reduce the number of points */
+ first = mask->end_point > glyph->num_points
+ ? glyph->num_points
+ : mask->end_point;
mask++;
for ( ; num_masks > 1; num_masks--, mask++ )
{
FT_Int count;
- next = mask->end_point;
+ next = mask->end_point > glyph->num_points
+ ? glyph->num_points
+ : mask->end_point;
count = next - first;
if ( count > 0 )
{
point->cur_u = hint->cur_pos + hint->cur_len +
FT_MulFix( delta - hint->org_len, scale );
- else if ( hint->org_len > 0 )
+ else /* hint->org_len > 0 */
point->cur_u = hint->cur_pos +
FT_MulDiv( delta, hint->cur_len,
hint->org_len );
- else
- point->cur_u = hint->cur_pos;
}
psh_point_set_fitted( point );
}
FT_Fixed x_scale = dim_x->scale_mult;
FT_Fixed y_scale = dim_y->scale_mult;
+ FT_Fixed old_x_scale = x_scale;
+ FT_Fixed old_y_scale = y_scale;
+
FT_Fixed scaled;
FT_Fixed fitted;
+ FT_Bool rescale = FALSE;
+
scaled = FT_MulFix( globals->blues.normal_top.zones->org_ref, y_scale );
fitted = FT_PIX_ROUND( scaled );
if ( fitted != 0 && scaled != fitted )
{
+ rescale = TRUE;
+
y_scale = FT_MulDiv( y_scale, fitted, scaled );
if ( fitted < scaled )
psh_globals_set_scale( glyph->globals, x_scale, y_scale, 0, 0 );
}
- }
-
- glyph->do_horz_hints = 1;
- glyph->do_vert_hints = 1;
- glyph->do_horz_snapping = FT_BOOL( hint_mode == FT_RENDER_MODE_MONO ||
- hint_mode == FT_RENDER_MODE_LCD );
+ glyph->do_horz_hints = 1;
+ glyph->do_vert_hints = 1;
- glyph->do_vert_snapping = FT_BOOL( hint_mode == FT_RENDER_MODE_MONO ||
- hint_mode == FT_RENDER_MODE_LCD_V );
+ glyph->do_horz_snapping = FT_BOOL( hint_mode == FT_RENDER_MODE_MONO ||
+ hint_mode == FT_RENDER_MODE_LCD );
- glyph->do_stem_adjust = FT_BOOL( hint_mode != FT_RENDER_MODE_LIGHT );
+ glyph->do_vert_snapping = FT_BOOL( hint_mode == FT_RENDER_MODE_MONO ||
+ hint_mode == FT_RENDER_MODE_LCD_V );
- for ( dimension = 0; dimension < 2; dimension++ )
- {
- /* load outline coordinates into glyph */
- psh_glyph_load_points( glyph, dimension );
+ glyph->do_stem_adjust = FT_BOOL( hint_mode != FT_RENDER_MODE_LIGHT );
- /* compute local extrema */
- psh_glyph_compute_extrema( glyph );
-
- /* compute aligned stem/hints positions */
- psh_hint_table_align_hints( &glyph->hint_tables[dimension],
- glyph->globals,
- dimension,
- glyph );
-
- /* find strong points, align them, then interpolate others */
- psh_glyph_find_strong_points( glyph, dimension );
- if ( dimension == 1 )
- psh_glyph_find_blue_points( &globals->blues, glyph );
- psh_glyph_interpolate_strong_points( glyph, dimension );
- psh_glyph_interpolate_normal_points( glyph, dimension );
- psh_glyph_interpolate_other_points( glyph, dimension );
-
- /* save hinted coordinates back to outline */
- psh_glyph_save_points( glyph, dimension );
+ for ( dimension = 0; dimension < 2; dimension++ )
+ {
+ /* load outline coordinates into glyph */
+ psh_glyph_load_points( glyph, dimension );
+
+ /* compute local extrema */
+ psh_glyph_compute_extrema( glyph );
+
+ /* compute aligned stem/hints positions */
+ psh_hint_table_align_hints( &glyph->hint_tables[dimension],
+ glyph->globals,
+ dimension,
+ glyph );
+
+ /* find strong points, align them, then interpolate others */
+ psh_glyph_find_strong_points( glyph, dimension );
+ if ( dimension == 1 )
+ psh_glyph_find_blue_points( &globals->blues, glyph );
+ psh_glyph_interpolate_strong_points( glyph, dimension );
+ psh_glyph_interpolate_normal_points( glyph, dimension );
+ psh_glyph_interpolate_other_points( glyph, dimension );
+
+ /* save hinted coordinates back to outline */
+ psh_glyph_save_points( glyph, dimension );
+
+ if ( rescale )
+ psh_globals_set_scale( glyph->globals,
+ old_x_scale, old_y_scale, 0, 0 );
+ }
}
Exit:
projects / reactos.git / blobdiff