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Unified Diff: third_party/harfbuzz/src/harfbuzz-greek.c

Issue 12413010: Remove unused harfbuzz. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 9 months ago
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Index: third_party/harfbuzz/src/harfbuzz-greek.c
diff --git a/third_party/harfbuzz/src/harfbuzz-greek.c b/third_party/harfbuzz/src/harfbuzz-greek.c
deleted file mode 100644
index 2e9b858da7dfc9ef12fb3da396a99628592c1d1b..0000000000000000000000000000000000000000
--- a/third_party/harfbuzz/src/harfbuzz-greek.c
+++ /dev/null
@@ -1,447 +0,0 @@
-/*
- * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
- *
- * This is part of HarfBuzz, an OpenType Layout engine library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- */
-
-#include "harfbuzz-shaper.h"
-#include "harfbuzz-shaper-private.h"
-#include <assert.h>
-
-#ifndef NO_OPENTYPE
-static const HB_OpenTypeFeature greek_features[] = {
- { HB_MAKE_TAG('c', 'c', 'm', 'p'), CcmpProperty },
- { HB_MAKE_TAG('l', 'i', 'g', 'a'), CcmpProperty },
- { HB_MAKE_TAG('c', 'l', 'i', 'g'), CcmpProperty },
- {0, 0}
-};
-#endif
-
-/*
- Greek decompositions
-*/
-
-
-typedef struct _hb_greek_decomposition {
- HB_UChar16 composed;
- HB_UChar16 base;
-} hb_greek_decomposition;
-
-static const hb_greek_decomposition decompose_0x300[] = {
- { 0x1FBA, 0x0391 },
- { 0x1FC8, 0x0395 },
- { 0x1FCA, 0x0397 },
- { 0x1FDA, 0x0399 },
- { 0x1FF8, 0x039F },
- { 0x1FEA, 0x03A5 },
- { 0x1FFA, 0x03A9 },
- { 0x1F70, 0x03B1 },
- { 0x1F72, 0x03B5 },
- { 0x1F74, 0x03B7 },
- { 0x1F76, 0x03B9 },
- { 0x1F78, 0x03BF },
- { 0x1F7A, 0x03C5 },
- { 0x1F7C, 0x03C9 },
- { 0x1FD2, 0x03CA },
- { 0x1FE2, 0x03CB },
- { 0x1F02, 0x1F00 },
- { 0, 0 }
-};
-
-static HB_UChar16 compose_0x300(HB_UChar16 base)
-{
- if ((base ^ 0x1f00) < 0x100) {
- if (base <= 0x1f69 && !(base & 0x6))
- return base + 2;
- if (base == 0x1fbf)
- return 0x1fcd;
- if (base == 0x1ffe)
- return 0x1fdd;
- return 0;
- }
- {
- const hb_greek_decomposition *d = decompose_0x300;
- while (d->base && d->base != base)
- ++d;
- return d->composed;
- }
-}
-
-static const hb_greek_decomposition decompose_0x301[] = {
- { 0x0386, 0x0391 },
- { 0x0388, 0x0395 },
- { 0x0389, 0x0397 },
- { 0x038A, 0x0399 },
- { 0x038C, 0x039F },
- { 0x038E, 0x03A5 },
- { 0x038F, 0x03A9 },
- { 0x03AC, 0x03B1 },
- { 0x03AD, 0x03B5 },
- { 0x03AE, 0x03B7 },
- { 0x03AF, 0x03B9 },
- { 0x03CC, 0x03BF },
- { 0x03CD, 0x03C5 },
- { 0x03CE, 0x03C9 },
- { 0x0390, 0x03CA },
- { 0x03B0, 0x03CB },
- { 0x03D3, 0x03D2 },
- { 0, 0 }
-};
-
-
-static HB_UChar16 compose_0x301(HB_UChar16 base)
-{
- if ((base ^ 0x1f00) < 0x100) {
- if (base <= 0x1f69 && !(base & 0x6))
- return base + 4;
- if (base == 0x1fbf)
- return 0x1fce;
- if (base == 0x1ffe)
- return 0x1fde;
- }
- {
- const hb_greek_decomposition *d = decompose_0x301;
- while (d->base && d->base != base)
- ++d;
- return d->composed;
- }
-}
-
-static const hb_greek_decomposition decompose_0x304[] = {
- { 0x1FB9, 0x0391 },
- { 0x1FD9, 0x0399 },
- { 0x1FE9, 0x03A5 },
- { 0x1FB1, 0x03B1 },
- { 0x1FD1, 0x03B9 },
- { 0x1FE1, 0x03C5 },
- { 0, 0 }
-};
-
-static HB_UChar16 compose_0x304(HB_UChar16 base)
-{
- const hb_greek_decomposition *d = decompose_0x304;
- while (d->base && d->base != base)
- ++d;
- return d->composed;
-}
-
-static const hb_greek_decomposition decompose_0x306[] = {
- { 0x1FB8, 0x0391 },
- { 0x1FD8, 0x0399 },
- { 0x1FE8, 0x03A5 },
- { 0x1FB0, 0x03B1 },
- { 0x1FD0, 0x03B9 },
- { 0x1FE0, 0x03C5 },
- { 0, 0 }
-};
-
-static HB_UChar16 compose_0x306(HB_UChar16 base)
-{
- const hb_greek_decomposition *d = decompose_0x306;
- while (d->base && d->base != base)
- ++d;
- return d->composed;
-}
-
-static const hb_greek_decomposition decompose_0x308[] = {
- { 0x03AA, 0x0399 },
- { 0x03AB, 0x03A5 },
- { 0x03CA, 0x03B9 },
- { 0x03CB, 0x03C5 },
- { 0x03D4, 0x03D2 },
- { 0, 0 }
-};
-
-static HB_UChar16 compose_0x308(HB_UChar16 base)
-{
- const hb_greek_decomposition *d = decompose_0x308;
- while (d->base && d->base != base)
- ++d;
- return d->composed;
-}
-
-
-static const hb_greek_decomposition decompose_0x313[] = {
- { 0x1F08, 0x0391 },
- { 0x1F18, 0x0395 },
- { 0x1F28, 0x0397 },
- { 0x1F38, 0x0399 },
- { 0x1F48, 0x039F },
- { 0x1F68, 0x03A9 },
- { 0x1F00, 0x03B1 },
- { 0x1F10, 0x03B5 },
- { 0x1F20, 0x03B7 },
- { 0x1F30, 0x03B9 },
- { 0x1F40, 0x03BF },
- { 0x1FE4, 0x03C1 },
- { 0x1F50, 0x03C5 },
- { 0x1F60, 0x03C9 },
- { 0, 0 }
-};
-
-static HB_UChar16 compose_0x313(HB_UChar16 base)
-{
- const hb_greek_decomposition *d = decompose_0x313;
- while (d->base && d->base != base)
- ++d;
- return d->composed;
-}
-
-static const hb_greek_decomposition decompose_0x314[] = {
- { 0x1F09, 0x0391 },
- { 0x1F19, 0x0395 },
- { 0x1F29, 0x0397 },
- { 0x1F39, 0x0399 },
- { 0x1F49, 0x039F },
- { 0x1FEC, 0x03A1 },
- { 0x1F59, 0x03A5 },
- { 0x1F69, 0x03A9 },
- { 0x1F01, 0x03B1 },
- { 0x1F11, 0x03B5 },
- { 0x1F21, 0x03B7 },
- { 0x1F31, 0x03B9 },
- { 0x1F41, 0x03BF },
- { 0x1FE5, 0x03C1 },
- { 0x1F51, 0x03C5 },
- { 0x1F61, 0x03C9 },
- { 0, 0 }
-};
-
-static HB_UChar16 compose_0x314(HB_UChar16 base)
-{
- const hb_greek_decomposition *d = decompose_0x314;
- while (d->base && d->base != base)
- ++d;
- return d->composed;
-}
-
-static const hb_greek_decomposition decompose_0x342[] = {
- { 0x1FB6, 0x03B1 },
- { 0x1FC6, 0x03B7 },
- { 0x1FD6, 0x03B9 },
- { 0x1FE6, 0x03C5 },
- { 0x1FF6, 0x03C9 },
- { 0x1FD7, 0x03CA },
- { 0x1FE7, 0x03CB },
- { 0x1F06, 0x1F00 },
- { 0x1F07, 0x1F01 },
- { 0x1F0E, 0x1F08 },
- { 0x1F0F, 0x1F09 },
- { 0x1F26, 0x1F20 },
- { 0x1F27, 0x1F21 },
- { 0x1F2E, 0x1F28 },
- { 0x1F2F, 0x1F29 },
- { 0x1F36, 0x1F30 },
- { 0x1F37, 0x1F31 },
- { 0x1F3E, 0x1F38 },
- { 0x1F3F, 0x1F39 },
- { 0x1F56, 0x1F50 },
- { 0x1F57, 0x1F51 },
- { 0x1F5F, 0x1F59 },
- { 0x1F66, 0x1F60 },
- { 0x1F67, 0x1F61 },
- { 0x1F6E, 0x1F68 },
- { 0x1F6F, 0x1F69 },
- { 0x1FCF, 0x1FBF },
- { 0x1FDF, 0x1FFE },
- { 0, 0 }
-};
-
-static HB_UChar16 compose_0x342(HB_UChar16 base)
-{
- const hb_greek_decomposition *d = decompose_0x342;
- while (d->base && d->base != base)
- ++d;
- return d->composed;
-}
-
-static const hb_greek_decomposition decompose_0x345[] = {
- { 0x1FBC, 0x0391 },
- { 0x1FCC, 0x0397 },
- { 0x1FFC, 0x03A9 },
- { 0x1FB4, 0x03AC },
- { 0x1FC4, 0x03AE },
- { 0x1FB3, 0x03B1 },
- { 0x1FC3, 0x03B7 },
- { 0x1FF3, 0x03C9 },
- { 0x1FF4, 0x03CE },
- { 0x1F80, 0x1F00 },
- { 0x1F81, 0x1F01 },
- { 0x1F82, 0x1F02 },
- { 0x1F83, 0x1F03 },
- { 0x1F84, 0x1F04 },
- { 0x1F85, 0x1F05 },
- { 0x1F86, 0x1F06 },
- { 0x1F87, 0x1F07 },
- { 0x1F88, 0x1F08 },
- { 0x1F89, 0x1F09 },
- { 0x1F8A, 0x1F0A },
- { 0x1F8B, 0x1F0B },
- { 0x1F8C, 0x1F0C },
- { 0x1F8D, 0x1F0D },
- { 0x1F8E, 0x1F0E },
- { 0x1F8F, 0x1F0F },
- { 0x1F90, 0x1F20 },
- { 0x1F91, 0x1F21 },
- { 0x1F92, 0x1F22 },
- { 0x1F93, 0x1F23 },
- { 0x1F94, 0x1F24 },
- { 0x1F95, 0x1F25 },
- { 0x1F96, 0x1F26 },
- { 0x1F97, 0x1F27 },
- { 0x1F98, 0x1F28 },
- { 0x1F99, 0x1F29 },
- { 0x1F9A, 0x1F2A },
- { 0x1F9B, 0x1F2B },
- { 0x1F9C, 0x1F2C },
- { 0x1F9D, 0x1F2D },
- { 0x1F9E, 0x1F2E },
- { 0x1F9F, 0x1F2F },
- { 0x1FA0, 0x1F60 },
- { 0x1FA1, 0x1F61 },
- { 0x1FA2, 0x1F62 },
- { 0x1FA3, 0x1F63 },
- { 0x1FA4, 0x1F64 },
- { 0x1FA5, 0x1F65 },
- { 0x1FA6, 0x1F66 },
- { 0x1FA7, 0x1F67 },
- { 0x1FA8, 0x1F68 },
- { 0x1FA9, 0x1F69 },
- { 0x1FAA, 0x1F6A },
- { 0x1FAB, 0x1F6B },
- { 0x1FAC, 0x1F6C },
- { 0x1FAD, 0x1F6D },
- { 0x1FAE, 0x1F6E },
- { 0x1FAF, 0x1F6F },
- { 0x1FB2, 0x1F70 },
- { 0x1FC2, 0x1F74 },
- { 0x1FF2, 0x1F7C },
- { 0x1FB7, 0x1FB6 },
- { 0x1FC7, 0x1FC6 },
- { 0x1FF7, 0x1FF6 },
- { 0, 0 }
-};
-
-static HB_UChar16 compose_0x345(HB_UChar16 base)
-{
- const hb_greek_decomposition *d = decompose_0x345;
- while (d->base && d->base != base)
- ++d;
- return d->composed;
-}
-
-/*
- Greek shaping. Heuristic positioning can't render polytonic greek correctly. We're a lot
- better off mapping greek chars with diacritics to the characters in the extended greek
- region in Unicode if possible.
-*/
-HB_Bool HB_GreekShape(HB_ShaperItem *shaper_item)
-{
- const int availableGlyphs = shaper_item->num_glyphs;
- const HB_UChar16 *uc = shaper_item->string + shaper_item->item.pos;
- unsigned short *logClusters = shaper_item->log_clusters;
- HB_GlyphAttributes *attributes = shaper_item->attributes;
-
- HB_Bool haveGlyphs;
- int slen = 1;
- int cluster_start = 0;
- hb_uint32 i;
-
- HB_STACKARRAY(HB_UChar16, shapedChars, 2 * shaper_item->item.length);
-
- assert(shaper_item->item.script == HB_Script_Greek);
-
- *shapedChars = *uc;
- logClusters[0] = 0;
-
- for (i = 1; i < shaper_item->item.length; ++i) {
- hb_uint16 base = shapedChars[slen-1];
- hb_uint16 shaped = 0;
- if (uc[i] == 0x300)
- shaped = compose_0x300(base);
- else if (uc[i] == 0x301)
- shaped = compose_0x301(base);
- else if (uc[i] == 0x304)
- shaped = compose_0x304(base);
- else if (uc[i] == 0x306)
- shaped = compose_0x306(base);
- else if (uc[i] == 0x308)
- shaped = compose_0x308(base);
- else if (uc[i] == 0x313)
- shaped = compose_0x313(base);
- else if (uc[i] == 0x314)
- shaped = compose_0x314(base);
- else if (uc[i] == 0x342)
- shaped = compose_0x342(base);
- else if (uc[i] == 0x345)
- shaped = compose_0x345(base);
-
- if (shaped) {
- if (shaper_item->font->klass->canRender(shaper_item->font, (HB_UChar16 *)&shaped, 1)) {
- shapedChars[slen-1] = shaped;
- } else {
- shaped = 0;
- }
- }
-
- if (!shaped) {
- HB_CharCategory category;
- int cmb;
- shapedChars[slen] = uc[i];
- HB_GetUnicodeCharProperties(uc[i], &category, &cmb);
- if (category != HB_Mark_NonSpacing) {
- attributes[slen].clusterStart = TRUE;
- attributes[slen].mark = FALSE;
- attributes[slen].combiningClass = 0;
- attributes[slen].dontPrint = HB_IsControlChar(uc[i]);
- cluster_start = slen;
- } else {
- attributes[slen].clusterStart = FALSE;
- attributes[slen].mark = TRUE;
- attributes[slen].combiningClass = cmb;
- }
- ++slen;
- }
- logClusters[i] = cluster_start;
- }
-
- haveGlyphs = shaper_item->font->klass
- ->convertStringToGlyphIndices(shaper_item->font,
- shapedChars, slen,
- shaper_item->glyphs, &shaper_item->num_glyphs,
- shaper_item->item.bidiLevel % 2);
-
- HB_FREE_STACKARRAY(shapedChars);
-
- if (!haveGlyphs)
- return FALSE;
-
-#ifndef NO_OPENTYPE
- if (HB_SelectScript(shaper_item, greek_features)) {
- HB_OpenTypeShape(shaper_item, /*properties*/0);
- return HB_OpenTypePosition(shaper_item, availableGlyphs, /*doLogClusters*/TRUE);
- }
-#endif
- HB_HeuristicPosition(shaper_item);
-
- return TRUE;
-}
-
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