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Side by Side Diff: third_party/freetype/src/pshinter/pshalgo.c

Issue 815103002: Update freetype to 2.5.4. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Adjust GYP and GN Created 6 years ago
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1 /***************************************************************************/ 1 /***************************************************************************/
2 /* */ 2 /* */
3 /* pshalgo.c */ 3 /* pshalgo.c */
4 /* */ 4 /* */
5 /* PostScript hinting algorithm (body). */ 5 /* PostScript hinting algorithm (body). */
6 /* */ 6 /* */
7 /* Copyright 2001-2010, 2012, 2013 by */ 7 /* Copyright 2001-2010, 2012-2014 by */
8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ 8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
9 /* */ 9 /* */
10 /* This file is part of the FreeType project, and may only be used */ 10 /* This file is part of the FreeType project, and may only be used */
11 /* modified and distributed under the terms of the FreeType project */ 11 /* modified and distributed under the terms of the FreeType project */
12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
13 /* this file you indicate that you have read the license and */ 13 /* this file you indicate that you have read the license and */
14 /* understand and accept it fully. */ 14 /* understand and accept it fully. */
15 /* */ 15 /* */
16 /***************************************************************************/ 16 /***************************************************************************/
17 17
18 18
19 #include "../../include/ft2build.h" 19 #include <ft2build.h>
20 #include "../../include/freetype/internal/ftobjs.h" 20 #include FT_INTERNAL_OBJECTS_H
21 #include "../../include/freetype/internal/ftdebug.h" 21 #include FT_INTERNAL_DEBUG_H
22 #include "../../include/freetype/internal/ftcalc.h" 22 #include FT_INTERNAL_CALC_H
23 #include "pshalgo.h" 23 #include "pshalgo.h"
24 24
25 #include "pshnterr.h" 25 #include "pshnterr.h"
26 26
27 27
28 #undef FT_COMPONENT 28 #undef FT_COMPONENT
29 #define FT_COMPONENT trace_pshalgo2 29 #define FT_COMPONENT trace_pshalgo2
30 30
31 31
32 #ifdef DEBUG_HINTER 32 #ifdef DEBUG_HINTER
(...skipping 858 matching lines...) Expand 10 before | Expand all | Expand 10 after
891 /*************************************************************************/ 891 /*************************************************************************/
892 892
893 #define PSH_ZONE_MIN -3200000L 893 #define PSH_ZONE_MIN -3200000L
894 #define PSH_ZONE_MAX +3200000L 894 #define PSH_ZONE_MAX +3200000L
895 895
896 #define xxDEBUG_ZONES 896 #define xxDEBUG_ZONES
897 897
898 898
899 #ifdef DEBUG_ZONES 899 #ifdef DEBUG_ZONES
900 900
901 #include "../../include/freetype/config/ftstdlib.h" 901 #include FT_CONFIG_STANDARD_LIBRARY_H
902 902
903 static void 903 static void
904 psh_print_zone( PSH_Zone zone ) 904 psh_print_zone( PSH_Zone zone )
905 { 905 {
906 printf( "zone [scale,delta,min,max] = [%.3f,%.3f,%d,%d]\n", 906 printf( "zone [scale,delta,min,max] = [%.3f,%.3f,%d,%d]\n",
907 zone->scale / 65536.0, 907 zone->scale / 65536.0,
908 zone->delta / 64.0, 908 zone->delta / 64.0,
909 zone->min, 909 zone->min,
910 zone->max ); 910 zone->max );
911 } 911 }
(...skipping 487 matching lines...) Expand 10 before | Expand all | Expand 10 after
1399 { 1399 {
1400 PSH_Point first = glyph->contours[n].start; 1400 PSH_Point first = glyph->contours[n].start;
1401 PSH_Point point, before, after; 1401 PSH_Point point, before, after;
1402 1402
1403 1403
1404 if ( glyph->contours[n].count == 0 ) 1404 if ( glyph->contours[n].count == 0 )
1405 continue; 1405 continue;
1406 1406
1407 point = first; 1407 point = first;
1408 before = point; 1408 before = point;
1409 after = point;
1410 1409
1411 do 1410 do
1412 { 1411 {
1413 before = before->prev; 1412 before = before->prev;
1414 if ( before == first ) 1413 if ( before == first )
1415 goto Skip; 1414 goto Skip;
1416 1415
1417 } while ( before->org_u == point->org_u ); 1416 } while ( before->org_u == point->org_u );
1418 1417
1419 first = point = before->next; 1418 first = point = before->next;
(...skipping 652 matching lines...) Expand 10 before | Expand all | Expand 10 after
2072 point->cur_u = FT_MulFix( point->org_u, scale ) + delta; 2071 point->cur_u = FT_MulFix( point->org_u, scale ) + delta;
2073 2072
2074 goto Next_Contour; 2073 goto Next_Contour;
2075 } 2074 }
2076 2075
2077 /* there are more than 2 strong points in this contour; we */ 2076 /* there are more than 2 strong points in this contour; we */
2078 /* need to interpolate weak points between them */ 2077 /* need to interpolate weak points between them */
2079 start = first; 2078 start = first;
2080 do 2079 do
2081 { 2080 {
2082 point = first;
2083
2084 /* skip consecutive fitted points */ 2081 /* skip consecutive fitted points */
2085 for (;;) 2082 for (;;)
2086 { 2083 {
2087 next = first->next; 2084 next = first->next;
2088 if ( next == start ) 2085 if ( next == start )
2089 goto Next_Contour; 2086 goto Next_Contour;
2090 2087
2091 if ( !psh_point_is_fitted( next ) ) 2088 if ( !psh_point_is_fitted( next ) )
2092 break; 2089 break;
2093 2090
(...skipping 202 matching lines...) Expand 10 before | Expand all | Expand 10 after
2296 2293
2297 #ifndef DEBUG_HINTER 2294 #ifndef DEBUG_HINTER
2298 psh_glyph_done( glyph ); 2295 psh_glyph_done( glyph );
2299 #endif 2296 #endif
2300 2297
2301 return error; 2298 return error;
2302 } 2299 }
2303 2300
2304 2301
2305 /* END */ 2302 /* END */
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