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-rw-r--r--src/3rdparty/freetype/src/autofit/afcjk.c162
1 files changed, 69 insertions, 93 deletions
diff --git a/src/3rdparty/freetype/src/autofit/afcjk.c b/src/3rdparty/freetype/src/autofit/afcjk.c
index 3b340cd5ed..f414289adc 100644
--- a/src/3rdparty/freetype/src/autofit/afcjk.c
+++ b/src/3rdparty/freetype/src/autofit/afcjk.c
@@ -4,7 +4,7 @@
*
* Auto-fitter hinting routines for CJK writing system (body).
*
- * Copyright (C) 2006-2020 by
+ * Copyright (C) 2006-2023 by
* David Turner, Robert Wilhelm, and Werner Lemberg.
*
* This file is part of the FreeType project, and may only be used,
@@ -37,11 +37,6 @@
#include "aferrors.h"
-#ifdef AF_CONFIG_OPTION_USE_WARPER
-#include "afwarp.h"
-#endif
-
-
/**************************************************************************
*
* The macro FT_COMPONENT is used in trace mode. It is an implicit
@@ -72,11 +67,11 @@
AF_GlyphHintsRec hints[1];
- FT_TRACE5(( "\n"
- "cjk standard widths computation (style `%s')\n"
- "===================================================\n"
- "\n",
+ FT_TRACE5(( "\n" ));
+ FT_TRACE5(( "cjk standard widths computation (style `%s')\n",
af_style_names[metrics->root.style_class->style] ));
+ FT_TRACE5(( "===================================================\n" ));
+ FT_TRACE5(( "\n" ));
af_glyph_hints_init( hints, face->memory );
@@ -314,9 +309,9 @@
/* style's entry in the `af_blue_stringset' array, computing its */
/* extremum points (depending on the string properties) */
- FT_TRACE5(( "cjk blue zones computation\n"
- "==========================\n"
- "\n" ));
+ FT_TRACE5(( "cjk blue zones computation\n" ));
+ FT_TRACE5(( "==========================\n" ));
+ FT_TRACE5(( "\n" ));
#ifdef FT_CONFIG_OPTION_USE_HARFBUZZ
shaper_buf = af_shaper_buf_create( face );
@@ -422,16 +417,14 @@
{
FT_Int nn;
- FT_Int first = 0;
- FT_Int last = -1;
+ FT_Int pp, first, last;
- for ( nn = 0; nn < outline.n_contours; first = last + 1, nn++ )
+ last = -1;
+ for ( nn = 0; nn < outline.n_contours; nn++ )
{
- FT_Int pp;
-
-
- last = outline.contours[nn];
+ first = last + 1;
+ last = outline.contours[nn];
/* Avoid single-point contours since they are never rasterized. */
/* In some fonts, they correspond to mark attachment points */
@@ -555,9 +548,8 @@
if ( AF_CJK_IS_TOP_BLUE( bs ) )
blue->flags |= AF_CJK_BLUE_TOP;
- FT_TRACE5(( " -> reference = %ld\n"
- " overshoot = %ld\n",
- *blue_ref, *blue_shoot ));
+ FT_TRACE5(( " -> reference = %ld\n", *blue_ref ));
+ FT_TRACE5(( " overshoot = %ld\n", *blue_shoot ));
} /* end for loop */
@@ -575,8 +567,8 @@
af_cjk_metrics_check_digits( AF_CJKMetrics metrics,
FT_Face face )
{
- FT_Bool started = 0, same_width = 1;
- FT_Fixed advance = 0, old_advance = 0;
+ FT_Bool started = 0, same_width = 1;
+ FT_Long advance = 0, old_advance = 0;
/* If HarfBuzz is not available, we need a pointer to a single */
/* unsigned long value. */
@@ -641,10 +633,11 @@
/* Initialize global metrics. */
FT_LOCAL_DEF( FT_Error )
- af_cjk_metrics_init( AF_CJKMetrics metrics,
- FT_Face face )
+ af_cjk_metrics_init( AF_StyleMetrics metrics_, /* AF_CJKMetrics */
+ FT_Face face )
{
- FT_CharMap oldmap = face->charmap;
+ AF_CJKMetrics metrics = (AF_CJKMetrics)metrics_;
+ FT_CharMap oldmap = face->charmap;
metrics->units_per_em = face->units_per_EM;
@@ -656,7 +649,7 @@
af_cjk_metrics_check_digits( metrics, face );
}
- FT_Set_Charmap( face, oldmap );
+ face->charmap = oldmap;
return FT_Err_Ok;
}
@@ -743,13 +736,15 @@
blue->shoot.fit = blue->ref.fit - delta2;
- FT_TRACE5(( ">> active cjk blue zone %c%d[%ld/%ld]:\n"
- " ref: cur=%.2f fit=%.2f\n"
- " shoot: cur=%.2f fit=%.2f\n",
+ FT_TRACE5(( ">> active cjk blue zone %c%d[%ld/%ld]:\n",
( dim == AF_DIMENSION_HORZ ) ? 'H' : 'V',
- nn, blue->ref.org, blue->shoot.org,
- blue->ref.cur / 64.0, blue->ref.fit / 64.0,
- blue->shoot.cur / 64.0, blue->shoot.fit / 64.0 ));
+ nn, blue->ref.org, blue->shoot.org ));
+ FT_TRACE5(( " ref: cur=%.2f fit=%.2f\n",
+ (double)blue->ref.cur / 64,
+ (double)blue->ref.fit / 64 ));
+ FT_TRACE5(( " shoot: cur=%.2f fit=%.2f\n",
+ (double)blue->shoot.cur / 64,
+ (double)blue->shoot.fit / 64 ));
blue->flags |= AF_CJK_BLUE_ACTIVE;
}
@@ -760,9 +755,12 @@
/* Scale global values in both directions. */
FT_LOCAL_DEF( void )
- af_cjk_metrics_scale( AF_CJKMetrics metrics,
- AF_Scaler scaler )
+ af_cjk_metrics_scale( AF_StyleMetrics metrics_, /* AF_CJKMetrics */
+ AF_Scaler scaler )
{
+ AF_CJKMetrics metrics = (AF_CJKMetrics)metrics_;
+
+
/* we copy the whole structure since the x and y scaling values */
/* are not modified, contrary to e.g. the `latin' auto-hinter */
metrics->root.scaler = *scaler;
@@ -775,11 +773,14 @@
/* Extract standard_width from writing system/script specific */
/* metrics class. */
- FT_LOCAL_DEF( void )
- af_cjk_get_standard_widths( AF_CJKMetrics metrics,
- FT_Pos* stdHW,
- FT_Pos* stdVW )
+ FT_CALLBACK_DEF( void )
+ af_cjk_get_standard_widths( AF_StyleMetrics metrics_, /* AF_CJKMetrics */
+ FT_Pos* stdHW,
+ FT_Pos* stdVW )
{
+ AF_CJKMetrics metrics = (AF_CJKMetrics)metrics_;
+
+
if ( stdHW )
*stdHW = metrics->axis[AF_DIMENSION_VERT].standard_width;
@@ -849,7 +850,7 @@
{
AF_AxisHints axis = &hints->axis[dim];
AF_Segment segments = axis->segments;
- AF_Segment segment_limit = segments + axis->num_segments;
+ AF_Segment segment_limit = FT_OFFSET( segments, axis->num_segments );
AF_Direction major_dir = axis->major_dir;
AF_Segment seg1, seg2;
FT_Pos len_threshold;
@@ -1011,7 +1012,7 @@
AF_CJKAxis laxis = &((AF_CJKMetrics)hints->metrics)->axis[dim];
AF_Segment segments = axis->segments;
- AF_Segment segment_limit = segments + axis->num_segments;
+ AF_Segment segment_limit = FT_OFFSET( segments, axis->num_segments );
AF_Segment seg;
FT_Fixed scale;
@@ -1050,7 +1051,7 @@
{
AF_Edge found = NULL;
FT_Pos best = 0xFFFFU;
- FT_Int ee;
+ FT_UInt ee;
/* look for an edge corresponding to the segment */
@@ -1159,7 +1160,7 @@
*/
{
AF_Edge edges = axis->edges;
- AF_Edge edge_limit = edges + axis->num_edges;
+ AF_Edge edge_limit = FT_OFFSET( edges, axis->num_edges );
AF_Edge edge;
@@ -1297,7 +1298,7 @@
{
AF_AxisHints axis = &hints->axis[dim];
AF_Edge edge = axis->edges;
- AF_Edge edge_limit = edge + axis->num_edges;
+ AF_Edge edge_limit = FT_OFFSET( edge, axis->num_edges );
AF_CJKAxis cjk = &metrics->axis[dim];
FT_Fixed scale = cjk->scale;
FT_Pos best_dist0; /* initial threshold */
@@ -1380,9 +1381,10 @@
/* Initalize hinting engine. */
FT_LOCAL_DEF( FT_Error )
- af_cjk_hints_init( AF_GlyphHints hints,
- AF_CJKMetrics metrics )
+ af_cjk_hints_init( AF_GlyphHints hints,
+ AF_StyleMetrics metrics_ ) /* AF_CJKMetrics */
{
+ AF_CJKMetrics metrics = (AF_CJKMetrics)metrics_;
FT_Render_Mode mode;
FT_UInt32 scaler_flags, other_flags;
@@ -1401,11 +1403,6 @@
/* compute flags depending on render mode, etc. */
mode = metrics->root.scaler.render_mode;
-#if 0 /* AF_CONFIG_OPTION_USE_WARPER */
- if ( mode == FT_RENDER_MODE_LCD || mode == FT_RENDER_MODE_LCD_V )
- metrics->root.scaler.render_mode = mode = FT_RENDER_MODE_NORMAL;
-#endif
-
scaler_flags = hints->scaler_flags;
other_flags = 0;
@@ -1434,12 +1431,6 @@
scaler_flags |= AF_SCALER_FLAG_NO_ADVANCE;
-#ifdef AF_CONFIG_OPTION_USE_WARPER
- /* get (global) warper flag */
- if ( !metrics->root.globals->module->warping )
- scaler_flags |= AF_SCALER_FLAG_NO_WARPER;
-#endif
-
hints->scaler_flags = scaler_flags;
hints->other_flags = other_flags;
@@ -1643,11 +1634,13 @@
stem_edge->pos = base_edge->pos + fitted_width;
- FT_TRACE5(( " CJKLINK: edge %ld @%d (opos=%.2f) linked to %.2f,"
+ FT_TRACE5(( " CJKLINK: edge %td @%d (opos=%.2f) linked to %.2f,"
" dist was %.2f, now %.2f\n",
stem_edge - hints->axis[dim].edges, stem_edge->fpos,
- stem_edge->opos / 64.0, stem_edge->pos / 64.0,
- dist / 64.0, fitted_width / 64.0 ));
+ (double)stem_edge->opos / 64,
+ (double)stem_edge->pos / 64,
+ (double)dist / 64,
+ (double)fitted_width / 64 ));
}
@@ -1815,7 +1808,7 @@
{
AF_AxisHints axis = &hints->axis[dim];
AF_Edge edges = axis->edges;
- AF_Edge edge_limit = edges + axis->num_edges;
+ AF_Edge edge_limit = FT_OFFSET( edges, axis->num_edges );
FT_PtrDist n_edges;
AF_Edge edge;
AF_Edge anchor = NULL;
@@ -1865,10 +1858,10 @@
continue;
#ifdef FT_DEBUG_LEVEL_TRACE
- FT_TRACE5(( " CJKBLUE: edge %ld @%d (opos=%.2f) snapped to %.2f,"
+ FT_TRACE5(( " CJKBLUE: edge %td @%d (opos=%.2f) snapped to %.2f,"
" was %.2f\n",
- edge1 - edges, edge1->fpos, edge1->opos / 64.0,
- blue->fit / 64.0, edge1->pos / 64.0 ));
+ edge1 - edges, edge1->fpos, (double)edge1->opos / 64,
+ (double)blue->fit / 64, (double)edge1->pos / 64 ));
num_actions++;
#endif
@@ -1929,7 +1922,7 @@
/* this should not happen, but it's better to be safe */
if ( edge2->blue_edge )
{
- FT_TRACE5(( "ASSERTION FAILED for edge %ld\n", edge2-edges ));
+ FT_TRACE5(( "ASSERTION FAILED for edge %td\n", edge2 - edges ));
af_cjk_align_linked_edge( hints, dim, edge2, edge );
edge->flags |= AF_EDGE_DONE;
@@ -2041,8 +2034,8 @@
#if 0
printf( "stem (%d,%d) adjusted (%.1f,%.1f)\n",
edge - edges, edge2 - edges,
- ( edge->pos - edge->opos ) / 64.0,
- ( edge2->pos - edge2->opos ) / 64.0 );
+ (double)( edge->pos - edge->opos ) / 64,
+ (double)( edge2->pos - edge2->opos ) / 64 );
#endif
anchor = edge;
@@ -2194,7 +2187,7 @@
{
AF_AxisHints axis = & hints->axis[dim];
AF_Edge edges = axis->edges;
- AF_Edge edge_limit = edges + axis->num_edges;
+ AF_Edge edge_limit = FT_OFFSET( edges, axis->num_edges );
AF_Edge edge;
FT_Bool snapping;
@@ -2281,11 +2274,13 @@
/* Apply the complete hinting algorithm to a CJK glyph. */
FT_LOCAL_DEF( FT_Error )
- af_cjk_hints_apply( FT_UInt glyph_index,
- AF_GlyphHints hints,
- FT_Outline* outline,
- AF_CJKMetrics metrics )
+ af_cjk_hints_apply( FT_UInt glyph_index,
+ AF_GlyphHints hints,
+ FT_Outline* outline,
+ AF_StyleMetrics metrics_ ) /* AF_CJKMetrics */
{
+ AF_CJKMetrics metrics = (AF_CJKMetrics)metrics_;
+
FT_Error error;
int dim;
@@ -2322,25 +2317,6 @@
if ( ( dim == AF_DIMENSION_HORZ && AF_HINTS_DO_HORIZONTAL( hints ) ) ||
( dim == AF_DIMENSION_VERT && AF_HINTS_DO_VERTICAL( hints ) ) )
{
-
-#ifdef AF_CONFIG_OPTION_USE_WARPER
- if ( dim == AF_DIMENSION_HORZ &&
- metrics->root.scaler.render_mode == FT_RENDER_MODE_NORMAL &&
- AF_HINTS_DO_WARP( hints ) )
- {
- AF_WarperRec warper;
- FT_Fixed scale;
- FT_Pos delta;
-
-
- af_warper_compute( &warper, hints, (AF_Dimension)dim,
- &scale, &delta );
- af_glyph_hints_scale_dim( hints, (AF_Dimension)dim,
- scale, delta );
- continue;
- }
-#endif /* AF_CONFIG_OPTION_USE_WARPER */
-
af_cjk_hint_edges( hints, (AF_Dimension)dim );
af_cjk_align_edge_points( hints, (AF_Dimension)dim );
af_glyph_hints_align_strong_points( hints, (AF_Dimension)dim );
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-18 06:15:53 +0000