diff options
Diffstat (limited to 'src/3rdparty/freetype/src/autofit/afcjk.c')
-rw-r--r-- | src/3rdparty/freetype/src/autofit/afcjk.c | 179 |
1 files changed, 77 insertions, 102 deletions
diff --git a/src/3rdparty/freetype/src/autofit/afcjk.c b/src/3rdparty/freetype/src/autofit/afcjk.c index a61689bee3..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) 2006-2019 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, @@ -22,9 +22,8 @@ * */ -#include <ft2build.h> -#include FT_ADVANCES_H -#include FT_INTERNAL_DEBUG_H +#include <freetype/ftadvanc.h> +#include <freetype/internal/ftdebug.h> #include "afglobal.h" #include "aflatin.h" @@ -38,11 +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 @@ -73,11 +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 ); @@ -158,7 +152,7 @@ if ( !glyph_index ) goto Exit; - FT_TRACE5(( "standard character: U+%04lX (glyph index %d)\n", + FT_TRACE5(( "standard character: U+%04lX (glyph index %ld)\n", ch, glyph_index )); error = FT_Load_Glyph( face, glyph_index, FT_LOAD_NO_SCALE ); @@ -261,9 +255,9 @@ dim == AF_DIMENSION_VERT ? "horizontal" : "vertical" )); - FT_TRACE5(( " %d (standard)", axis->standard_width )); + FT_TRACE5(( " %ld (standard)", axis->standard_width )); for ( i = 1; i < axis->width_count; i++ ) - FT_TRACE5(( " %d", axis->widths[i].org )); + FT_TRACE5(( " %ld", axis->widths[i].org )); FT_TRACE5(( "\n" )); } @@ -315,9 +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 ); @@ -423,16 +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 */ @@ -556,9 +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 */ @@ -576,8 +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. */ @@ -642,10 +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; @@ -657,7 +649,7 @@ af_cjk_metrics_check_digits( metrics, face ); } - FT_Set_Charmap( face, oldmap ); + face->charmap = oldmap; return FT_Err_Ok; } @@ -728,7 +720,7 @@ delta2 = FT_MulFix( delta2, scale ); - FT_TRACE5(( "delta: %d", delta1 )); + FT_TRACE5(( "delta: %ld", delta1 )); if ( delta2 < 32 ) delta2 = 0; #if 0 @@ -737,20 +729,22 @@ #endif else delta2 = FT_PIX_ROUND( delta2 ); - FT_TRACE5(( "/%d\n", delta2 )); + FT_TRACE5(( "/%ld\n", delta2 )); if ( delta1 < 0 ) delta2 = -delta2; 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; } @@ -761,9 +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; @@ -776,11 +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; @@ -806,7 +806,7 @@ { 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 ); FT_Error error; AF_Segment seg; @@ -850,7 +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; @@ -1012,7 +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; @@ -1051,7 +1051,7 @@ { AF_Edge found = NULL; FT_Pos best = 0xFFFFU; - FT_Int ee; + FT_UInt ee; /* look for an edge corresponding to the segment */ @@ -1160,7 +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; @@ -1298,7 +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 */ @@ -1381,9 +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; @@ -1402,11 +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; @@ -1435,12 +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; @@ -1644,11 +1634,13 @@ stem_edge->pos = base_edge->pos + fitted_width; - FT_TRACE5(( " CJKLINK: edge %d @%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 )); } @@ -1816,7 +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; @@ -1866,10 +1858,10 @@ continue; #ifdef FT_DEBUG_LEVEL_TRACE - FT_TRACE5(( " CJKBLUE: edge %d @%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 @@ -1930,7 +1922,7 @@ /* this should not happen, but it's better to be safe */ if ( edge2->blue_edge ) { - FT_TRACE5(( "ASSERTION FAILED for edge %d\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; @@ -2042,8 +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; @@ -2195,7 +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; @@ -2282,11 +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; @@ -2323,25 +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 ); |