Issue #1862 - Follow-up: Replace deprecated Harfbuzz functions with current ones.

Based on Mozilla bug 1500356.
This commit is contained in:
Job Bautista 2023-04-30 21:20:06 +08:00 • committed by roytam1
commit 51426d1053
7 changed files with 73 additions and 78 deletions

View file

@ -484,7 +484,7 @@ FT2FontEntry::ReadCMAP(FontInfoData *aFontInfoData)
// check to see if the cmap includes complex script codepoints // check to see if the cmap includes complex script codepoints
if (charmap->TestRange(sr->rangeStart, sr->rangeEnd)) { if (charmap->TestRange(sr->rangeStart, sr->rangeEnd)) {
// We check for GSUB here, as GPOS alone would not be ok. // We check for GSUB here, as GPOS alone would not be ok.
if (hasGSUB && SupportsScriptInGSUB(sr->tags)) { if (hasGSUB && SupportsScriptInGSUB(sr->tags, sr->numTags)) {
continue; continue;
} }
charmap->ClearRange(sr->rangeStart, sr->rangeEnd); charmap->ClearRange(sr->rangeStart, sr->rangeEnd);

View file

@ -1171,12 +1171,14 @@ gfxFont::CheckForFeaturesInvolvingSpace()
sScriptTagToCode->Put(HB_TAG('D','F','L','T'), Script::COMMON); sScriptTagToCode->Put(HB_TAG('D','F','L','T'), Script::COMMON);
for (Script s = Script::ARABIC; s < Script::NUM_SCRIPT_CODES; for (Script s = Script::ARABIC; s < Script::NUM_SCRIPT_CODES;
s = Script(static_cast<int>(s) + 1)) { s = Script(static_cast<int>(s) + 1)) {
hb_script_t scriptTag = hb_script_t(GetScriptTagForCode(s)); hb_script_t script = hb_script_t(GetScriptTagForCode(s));
hb_tag_t s1, s2; unsigned int scriptCount = 4;
hb_ot_tags_from_script(scriptTag, &s1, &s2); hb_tag_t scriptTags[4];
sScriptTagToCode->Put(s1, s); hb_ot_tags_from_script_and_language(script, HB_LANGUAGE_INVALID,
if (s2 != HB_OT_TAG_DEFAULT_SCRIPT) { &scriptCount, scriptTags, nullptr,
sScriptTagToCode->Put(s2, s); nullptr);
for (unsigned int i = 0; i < scriptCount; i++) {
sScriptTagToCode->Put(scriptTags[i], s);
} }
} }

View file

@ -233,7 +233,9 @@ uint16_t gfxFontEntry::GetUVSGlyph(uint32_t aCh, uint32_t aVS)
return 0; return 0;
} }
bool gfxFontEntry::SupportsScriptInGSUB(const hb_tag_t* aScriptTags) bool
gfxFontEntry::SupportsScriptInGSUB(const hb_tag_t* aScriptTags,
uint32_t aNumTags)
{ {
hb_face_t *face = GetHBFace(); hb_face_t *face = GetHBFace();
if (!face) { if (!face) {
@ -242,9 +244,9 @@ bool gfxFontEntry::SupportsScriptInGSUB(const hb_tag_t* aScriptTags)
unsigned int index; unsigned int index;
hb_tag_t chosenScript; hb_tag_t chosenScript;
bool found = bool found = hb_ot_layout_table_select_script(
hb_ot_layout_table_choose_script(face, TRUETYPE_TAG('G','S','U','B'), face, TRUETYPE_TAG('G', 'S', 'U', 'B'), aNumTags, aScriptTags, &index,
aScriptTags, &index, &chosenScript); &chosenScript);
hb_face_destroy(face); hb_face_destroy(face);
return found && chosenScript != TRUETYPE_TAG('D','F','L','T'); return found && chosenScript != TRUETYPE_TAG('D','F','L','T');
@ -819,27 +821,22 @@ gfxFontEntry::SupportsOpenTypeFeature(Script aScript, uint32_t aFeatureTag)
gfxHarfBuzzShaper::GetHBScriptUsedForShaping(aScript); gfxHarfBuzzShaper::GetHBScriptUsedForShaping(aScript);
// Get the OpenType tag(s) that match this script code // Get the OpenType tag(s) that match this script code
hb_tag_t scriptTags[4] = { unsigned int scriptCount = 4;
HB_TAG_NONE, hb_tag_t scriptTags[4];
HB_TAG_NONE, hb_ot_tags_from_script_and_language(hbScript, HB_LANGUAGE_INVALID,
HB_TAG_NONE, &scriptCount, scriptTags, nullptr,
HB_TAG_NONE nullptr);
};
hb_ot_tags_from_script(hbScript, &scriptTags[0], &scriptTags[1]);
// Replace the first remaining NONE with DEFAULT // Append DEFAULT to the returned tags, if room
hb_tag_t* scriptTag = &scriptTags[0]; if (scriptCount < 4) {
while (*scriptTag != HB_TAG_NONE) { scriptTags[scriptCount++] = HB_OT_TAG_DEFAULT_SCRIPT;
++scriptTag;
} }
*scriptTag = HB_OT_TAG_DEFAULT_SCRIPT;
// Now check for 'smcp' under the first of those scripts that is present // Now check for 'smcp' under the first of those scripts that is present
const hb_tag_t kGSUB = HB_TAG('G','S','U','B'); const hb_tag_t kGSUB = HB_TAG('G','S','U','B');
scriptTag = &scriptTags[0]; for (unsigned int i = 0; i < scriptCount; i++) {
while (*scriptTag != HB_TAG_NONE) {
unsigned int scriptIndex; unsigned int scriptIndex;
if (hb_ot_layout_table_find_script(face, kGSUB, *scriptTag, if (hb_ot_layout_table_find_script(face, kGSUB, scriptTags[i],
&scriptIndex)) { &scriptIndex)) {
if (hb_ot_layout_language_find_feature(face, kGSUB, if (hb_ot_layout_language_find_feature(face, kGSUB,
scriptIndex, scriptIndex,
@ -849,7 +846,6 @@ gfxFontEntry::SupportsOpenTypeFeature(Script aScript, uint32_t aFeatureTag)
} }
break; break;
} }
++scriptTag;
} }
} }
@ -886,20 +882,17 @@ gfxFontEntry::InputsForOpenTypeFeature(Script aScript, uint32_t aFeatureTag)
gfxHarfBuzzShaper::GetHBScriptUsedForShaping(aScript); gfxHarfBuzzShaper::GetHBScriptUsedForShaping(aScript);
// Get the OpenType tag(s) that match this script code // Get the OpenType tag(s) that match this script code
hb_tag_t scriptTags[4] = { unsigned int scriptCount = 4;
HB_TAG_NONE, hb_tag_t scriptTags[5]; // space for null terminator
HB_TAG_NONE, hb_ot_tags_from_script_and_language(hbScript, HB_LANGUAGE_INVALID,
HB_TAG_NONE, &scriptCount, scriptTags, nullptr,
HB_TAG_NONE nullptr);
};
hb_ot_tags_from_script(hbScript, &scriptTags[0], &scriptTags[1]);
// Replace the first remaining NONE with DEFAULT // Append DEFAULT to the returned tags, if room
hb_tag_t* scriptTag = &scriptTags[0]; if (scriptCount < 4) {
while (*scriptTag != HB_TAG_NONE) { scriptTags[scriptCount++] = HB_OT_TAG_DEFAULT_SCRIPT;
++scriptTag;
} }
*scriptTag = HB_OT_TAG_DEFAULT_SCRIPT; scriptTags[scriptCount++] = 0;
const hb_tag_t kGSUB = HB_TAG('G','S','U','B'); const hb_tag_t kGSUB = HB_TAG('G','S','U','B');
hb_tag_t features[2] = { aFeatureTag, HB_TAG_NONE }; hb_tag_t features[2] = { aFeatureTag, HB_TAG_NONE };

View file

@ -320,11 +320,11 @@ public:
struct ScriptRange { struct ScriptRange {
uint32_t rangeStart; uint32_t rangeStart;
uint32_t rangeEnd; uint32_t rangeEnd;
hb_tag_t tags[3]; // one or two OpenType script tags to check, uint32_t numTags; // number of entries in the tags[] array
// plus a NULL terminator hb_tag_t tags[3]; // up to three OpenType script tags to check
}; };
bool SupportsScriptInGSUB(const hb_tag_t* aScriptTags); bool SupportsScriptInGSUB(const hb_tag_t* aScriptTags, uint32_t aNumTags);
nsString mName; nsString mName;
nsString mFamilyName; nsString mFamilyName;

View file

@ -204,7 +204,7 @@ MacOSFontEntry::ReadCMAP(FontInfoData *aFontInfoData)
} }
// We check for GSUB here, as GPOS alone would not be ok. // We check for GSUB here, as GPOS alone would not be ok.
if (hasGSUB && SupportsScriptInGSUB(sr->tags)) { if (hasGSUB && SupportsScriptInGSUB(sr->tags, sr->numTags)) {
continue; continue;
} }

View file

@ -52,39 +52,39 @@ const gfxFontEntry::ScriptRange gfxPlatformFontList::sComplexScriptRanges[] = {
// want to mask the basic Arabic block here? // want to mask the basic Arabic block here?
// This affects the arabic-fallback-*.html reftests, which rely on // This affects the arabic-fallback-*.html reftests, which rely on
// loading a font that *doesn't* have any GSUB table. // loading a font that *doesn't* have any GSUB table.
{ 0x0600, 0x06FF, { TRUETYPE_TAG('a','r','a','b'), 0, 0 } }, {0x0600, 0x06FF, 1, {TRUETYPE_TAG('a', 'r', 'a', 'b'), 0, 0}},
{ 0x0700, 0x074F, { TRUETYPE_TAG('s','y','r','c'), 0, 0 } }, {0x0700, 0x074F, 1, {TRUETYPE_TAG('s', 'y', 'r', 'c'), 0, 0}},
{ 0x0750, 0x077F, { TRUETYPE_TAG('a','r','a','b'), 0, 0 } }, {0x0750, 0x077F, 1, {TRUETYPE_TAG('a', 'r', 'a', 'b'), 0, 0}},
{ 0x08A0, 0x08FF, { TRUETYPE_TAG('a','r','a','b'), 0, 0 } }, {0x08A0, 0x08FF, 1, {TRUETYPE_TAG('a', 'r', 'a', 'b'), 0, 0}},
{ 0x0900, 0x097F, { TRUETYPE_TAG('d','e','v','2'), { 0x0900, 0x097F, 2, { TRUETYPE_TAG('d','e','v','2'),
TRUETYPE_TAG('d','e','v','a'), 0 } }, TRUETYPE_TAG('d','e','v','a'), 0 } },
{ 0x0980, 0x09FF, { TRUETYPE_TAG('b','n','g','2'), { 0x0980, 0x09FF, 2, { TRUETYPE_TAG('b','n','g','2'),
TRUETYPE_TAG('b','e','n','g'), 0 } }, TRUETYPE_TAG('b','e','n','g'), 0 } },
{ 0x0A00, 0x0A7F, { TRUETYPE_TAG('g','u','r','2'), { 0x0A00, 0x0A7F, 2, { TRUETYPE_TAG('g','u','r','2'),
TRUETYPE_TAG('g','u','r','u'), 0 } }, TRUETYPE_TAG('g','u','r','u'), 0 } },
{ 0x0A80, 0x0AFF, { TRUETYPE_TAG('g','j','r','2'), { 0x0A80, 0x0AFF, 2, { TRUETYPE_TAG('g','j','r','2'),
TRUETYPE_TAG('g','u','j','r'), 0 } }, TRUETYPE_TAG('g','u','j','r'), 0 } },
{ 0x0B00, 0x0B7F, { TRUETYPE_TAG('o','r','y','2'), { 0x0B00, 0x0B7F, 2, { TRUETYPE_TAG('o','r','y','2'),
TRUETYPE_TAG('o','r','y','a'), 0 } }, TRUETYPE_TAG('o','r','y','a'), 0 } },
{ 0x0B80, 0x0BFF, { TRUETYPE_TAG('t','m','l','2'), { 0x0B80, 0x0BFF, 2, { TRUETYPE_TAG('t','m','l','2'),
TRUETYPE_TAG('t','a','m','l'), 0 } }, TRUETYPE_TAG('t','a','m','l'), 0 } },
{ 0x0C00, 0x0C7F, { TRUETYPE_TAG('t','e','l','2'), { 0x0C00, 0x0C7F, 2, { TRUETYPE_TAG('t','e','l','2'),
TRUETYPE_TAG('t','e','l','u'), 0 } }, TRUETYPE_TAG('t','e','l','u'), 0 } },
{ 0x0C80, 0x0CFF, { TRUETYPE_TAG('k','n','d','2'), { 0x0C80, 0x0CFF, 2, { TRUETYPE_TAG('k','n','d','2'),
TRUETYPE_TAG('k','n','d','a'), 0 } }, TRUETYPE_TAG('k','n','d','a'), 0 } },
{ 0x0D00, 0x0D7F, { TRUETYPE_TAG('m','l','m','2'), { 0x0D00, 0x0D7F, 2, { TRUETYPE_TAG('m','l','m','2'),
TRUETYPE_TAG('m','l','y','m'), 0 } }, TRUETYPE_TAG('m','l','y','m'), 0 } },
{ 0x0D80, 0x0DFF, { TRUETYPE_TAG('s','i','n','h'), 0, 0 } }, {0x0D80, 0x0DFF, 1, {TRUETYPE_TAG('s', 'i', 'n', 'h'), 0, 0}},
{ 0x0E80, 0x0EFF, { TRUETYPE_TAG('l','a','o',' '), 0, 0 } }, {0x0E80, 0x0EFF, 1, {TRUETYPE_TAG('l', 'a', 'o', ' '), 0, 0}},
{ 0x0F00, 0x0FFF, { TRUETYPE_TAG('t','i','b','t'), 0, 0 } }, {0x0F00, 0x0FFF, 1, {TRUETYPE_TAG('t', 'i', 'b', 't'), 0, 0}},
{ 0x1000, 0x109f, { TRUETYPE_TAG('m','y','m','r'), { 0x1000, 0x109f, 2, { TRUETYPE_TAG('m','y','m','r'),
TRUETYPE_TAG('m','y','m','2'), 0 } }, TRUETYPE_TAG('m','y','m','2'), 0 } },
{ 0x1780, 0x17ff, { TRUETYPE_TAG('k','h','m','r'), 0, 0 } }, { 0x1780, 0x17ff, 1, { TRUETYPE_TAG('k','h','m','r'), 0, 0 } },
// Khmer Symbols (19e0..19ff) don't seem to need any special shaping // Khmer Symbols (19e0..19ff) don't seem to need any special shaping
{ 0xaa60, 0xaa7f, { TRUETYPE_TAG('m','y','m','r'), { 0xaa60, 0xaa7f, 2, { TRUETYPE_TAG('m','y','m','r'),
TRUETYPE_TAG('m','y','m','2'), 0 } }, TRUETYPE_TAG('m','y','m','2'), 0 } },
// Thai seems to be "renderable" without AAT morphing tables // Thai seems to be "renderable" without AAT morphing tables
{ 0, 0, { 0, 0, 0 } } // terminator {0, 0, 0, {0, 0, 0}} // terminator
}; };
// prefs for the font info loader // prefs for the font info loader

View file

@ -639,9 +639,9 @@ hb_ot_layout_language_get_feature_tags
hb_ot_layout_language_get_required_feature_index hb_ot_layout_language_get_required_feature_index
hb_ot_layout_lookup_collect_glyphs hb_ot_layout_lookup_collect_glyphs
hb_ot_layout_script_get_language_tags hb_ot_layout_script_get_language_tags
hb_ot_layout_table_choose_script
hb_ot_layout_table_find_script hb_ot_layout_table_find_script
hb_ot_layout_table_get_script_tags hb_ot_layout_table_get_script_tags
hb_ot_layout_table_select_script
hb_ot_math_get_constant hb_ot_math_get_constant
hb_ot_math_get_glyph_assembly hb_ot_math_get_glyph_assembly
hb_ot_math_get_glyph_italics_correction hb_ot_math_get_glyph_italics_correction
@ -649,7 +649,7 @@ hb_ot_math_get_glyph_variants
hb_ot_math_has_data hb_ot_math_has_data
hb_ot_tag_to_language hb_ot_tag_to_language
hb_ot_tag_to_script hb_ot_tag_to_script
hb_ot_tags_from_script hb_ot_tags_from_script_and_language
hb_set_add hb_set_add
hb_set_clear hb_set_clear
hb_set_create hb_set_create