diff options
Diffstat (limited to 'libs')
| -rw-r--r-- | libs/minikin/FontCollection.cpp | 10 | ||||
| -rw-r--r-- | libs/minikin/GraphemeBreak.cpp | 43 | ||||
| -rw-r--r-- | libs/minikin/MinikinInternal.cpp | 42 | ||||
| -rw-r--r-- | libs/minikin/MinikinInternal.h | 6 |
4 files changed, 55 insertions, 46 deletions
diff --git a/libs/minikin/FontCollection.cpp b/libs/minikin/FontCollection.cpp index dd905a3..4541af8 100644 --- a/libs/minikin/FontCollection.cpp +++ b/libs/minikin/FontCollection.cpp @@ -379,11 +379,13 @@ void FontCollection::itemize(const uint16_t *string, size_t string_size, FontSty langListId, variant); if (utf16Pos == 0 || family != lastFamily) { size_t start = utf16Pos; - // Workaround for Emoji keycap until we implement per-cluster font - // selection: if keycap is found in a different font that also - // supports previous char, attach previous char to the new run. + // Workaround for Emoji keycap and emoji modifier until we implement per-cluster + // font selection: if a keycap or an emoji modifier is found in a different font + // that also supports previous char, attach previous char to the new run. // Bug 7557244. - if (ch == KEYCAP && utf16Pos != 0 && family && family->getCoverage()->get(prevCh)) { + if (utf16Pos != 0 && + (ch == KEYCAP || (isEmojiModifier(ch) && isEmojiBase(prevCh))) && + family && family->getCoverage()->get(prevCh)) { const size_t prevChLength = U16_LENGTH(prevCh); run->end -= prevChLength; if (run->start == run->end) { diff --git a/libs/minikin/GraphemeBreak.cpp b/libs/minikin/GraphemeBreak.cpp index 4141091..ef323d5 100644 --- a/libs/minikin/GraphemeBreak.cpp +++ b/libs/minikin/GraphemeBreak.cpp @@ -19,6 +19,7 @@ #include <unicode/utf16.h> #include <minikin/GraphemeBreak.h> +#include "MinikinInternal.h" namespace android { @@ -77,48 +78,6 @@ bool isZwjEmoji(uint32_t c) { || c == 0x1F5E8); // LEFT SPEECH BUBBLE } -// Based on Modifiers from http://www.unicode.org/L2/L2016/16011-data-file.txt -bool isEmojiModifier(uint32_t c) { - return (0x1F3FB <= c && c <= 0x1F3FF); -} - -// Based on Emoji_Modifier_Base from -// http://www.unicode.org/Public/emoji/3.0/emoji-data.txt -bool isEmojiBase(uint32_t c) { - if (0x261D <= c && c <= 0x270D) { - return (c == 0x261D || c == 0x26F9 || (0x270A <= c && c <= 0x270D)); - } else if (0x1F385 <= c && c <= 0x1F93E) { - return (c == 0x1F385 - || (0x1F3C3 <= c || c <= 0x1F3C4) - || (0x1F3CA <= c || c <= 0x1F3CB) - || (0x1F442 <= c || c <= 0x1F443) - || (0x1F446 <= c || c <= 0x1F450) - || (0x1F466 <= c || c <= 0x1F469) - || c == 0x1F46E - || (0x1F470 <= c || c <= 0x1F478) - || c == 0x1F47C - || (0x1F481 <= c || c <= 0x1F483) - || (0x1F485 <= c || c <= 0x1F487) - || c == 0x1F4AA - || c == 0x1F575 - || c == 0x1F57A - || c == 0x1F590 - || (0x1F595 <= c || c <= 0x1F596) - || (0x1F645 <= c || c <= 0x1F647) - || (0x1F64B <= c || c <= 0x1F64F) - || c == 0x1F6A3 - || (0x1F6B4 <= c || c <= 0x1F6B6) - || c == 0x1F6C0 - || (0x1F918 <= c || c <= 0x1F91E) - || c == 0x1F926 - || c == 0x1F930 - || (0x1F933 <= c || c <= 0x1F939) - || (0x1F93B <= c || c <= 0x1F93E)); - } else { - return false; - } -} - bool GraphemeBreak::isGraphemeBreak(const uint16_t* buf, size_t start, size_t count, size_t offset) { // This implementation closely follows Unicode Standard Annex #29 on diff --git a/libs/minikin/MinikinInternal.cpp b/libs/minikin/MinikinInternal.cpp index c2aa01a..7fa7ce9 100644 --- a/libs/minikin/MinikinInternal.cpp +++ b/libs/minikin/MinikinInternal.cpp @@ -30,4 +30,46 @@ void assertMinikinLocked() { #endif } +// Based on Modifiers from http://www.unicode.org/L2/L2016/16011-data-file.txt +bool isEmojiModifier(uint32_t c) { + return (0x1F3FB <= c && c <= 0x1F3FF); +} + +// Based on Emoji_Modifier_Base from +// http://www.unicode.org/Public/emoji/3.0/emoji-data.txt +bool isEmojiBase(uint32_t c) { + if (0x261D <= c && c <= 0x270D) { + return (c == 0x261D || c == 0x26F9 || (0x270A <= c && c <= 0x270D)); + } else if (0x1F385 <= c && c <= 0x1F93E) { + return (c == 0x1F385 + || (0x1F3C3 <= c || c <= 0x1F3C4) + || (0x1F3CA <= c || c <= 0x1F3CB) + || (0x1F442 <= c || c <= 0x1F443) + || (0x1F446 <= c || c <= 0x1F450) + || (0x1F466 <= c || c <= 0x1F469) + || c == 0x1F46E + || (0x1F470 <= c || c <= 0x1F478) + || c == 0x1F47C + || (0x1F481 <= c || c <= 0x1F483) + || (0x1F485 <= c || c <= 0x1F487) + || c == 0x1F4AA + || c == 0x1F575 + || c == 0x1F57A + || c == 0x1F590 + || (0x1F595 <= c || c <= 0x1F596) + || (0x1F645 <= c || c <= 0x1F647) + || (0x1F64B <= c || c <= 0x1F64F) + || c == 0x1F6A3 + || (0x1F6B4 <= c || c <= 0x1F6B6) + || c == 0x1F6C0 + || (0x1F918 <= c || c <= 0x1F91E) + || c == 0x1F926 + || c == 0x1F930 + || (0x1F933 <= c || c <= 0x1F939) + || (0x1F93B <= c || c <= 0x1F93E)); + } else { + return false; + } +} + } diff --git a/libs/minikin/MinikinInternal.h b/libs/minikin/MinikinInternal.h index 34a95bb..3d68691 100644 --- a/libs/minikin/MinikinInternal.h +++ b/libs/minikin/MinikinInternal.h @@ -32,6 +32,12 @@ extern Mutex gMinikinLock; // Aborts if gMinikinLock is not acquired. Do nothing on the release build. void assertMinikinLocked(); +// Returns true if c is emoji modifier base. +bool isEmojiBase(uint32_t c); + +// Returns true if c is emoji modifier. +bool isEmojiModifier(uint32_t c); + } #endif // MINIKIN_INTERNAL_H |