yusheng/QieKan-3.0
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优化

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kunfei
2022-01-28 21:19:35 +08:00
parent 3057884a9b
commit fa6a6d00ba
1 changed files with 12 additions and 10 deletions
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app/src/main/java/io/legado/app/model/analyzeRule/QueryTTF.java
+12 -10
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@@ -535,17 +535,19 @@ public class QueryTTF {
} else if (fmt == 4) { } else if (fmt == 4) {
CmapFormat4 tab = (CmapFormat4) table; CmapFormat4 tab = (CmapFormat4) table;
if (code > tab.endCode[tab.endCode.length - 1]) return 0; if (code > tab.endCode[tab.endCode.length - 1]) return 0;
for (int i = 0; i < tab.endCode.length; i++) { // 二分法查找数值索引
if (tab.endCode[i] == code) { int start = 0, middle, end = tab.endCode.length - 1;
if (tab.endCode[i] < code) ++i; while (start + 1 < end) {
if (code < tab.startCode[i]) return 0; middle = (start + end) / 2;
if (tab.idRangeOffset[i] != 0) { if (tab.endCode[middle] <= code) start = middle;
glyfID = tab.glyphIdArray[code - tab.startCode[i] + (tab.idRangeOffset[i] >> 1) - (tab.idRangeOffset.length - i)]; else end = middle;
} else glyfID = code + tab.idDelta[i];
glyfID &= 0xFFFF;
break;
}
} }
if (tab.endCode[start] < code) ++start;
if (code < tab.startCode[start]) return 0;
if (tab.idRangeOffset[start] != 0) {
glyfID = tab.glyphIdArray[code - tab.startCode[start] + (tab.idRangeOffset[start] >> 1) - (tab.idRangeOffset.length - start)];
} else glyfID = code + tab.idDelta[start];
glyfID &= 0xFFFF;
} else if (fmt == 6) { } else if (fmt == 6) {
CmapFormat6 tab = (CmapFormat6) table; CmapFormat6 tab = (CmapFormat6) table;
int index = code - tab.firstCode; int index = code - tab.firstCode;