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Fixed #1863 Export to PDF - cannot read fonts with long CMAP

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(invalid length value)
This commit is contained in:
Jindra Petřík
2022-11-10 17:16:15 +01:00
parent c36d4e6bb9
commit e6bd00d2a0
3 changed files with 9 additions and 11 deletions
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15
libsrc/gnujpdf/src/gnu/jpdf/TtfParser.java
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@@ -306,15 +306,9 @@ public class TtfParser {
int idRangeOffset = readUnsignedShort(input);
idRangeOffsets.add(idRangeOffset);
}
List<Integer> glyphIndices = new ArrayList<>();
long startA = input.getFilePointer();
long a = startA;
for (; a < tableOffsets.get("cmap") + offset + length; a += 2) {
int glyphIndex = readUnsignedShort(input);
glyphIndices.add(glyphIndex);
}
long glyphIdArrayOffset = input.getFilePointer();
for (int j = 0; j < segCount; j++) {
for (int k = startCodes.get(j); k <= endCodes.get(j); k++) {
if (k == 65535) {
@@ -326,7 +320,8 @@ public class TtfParser {
} else {
int glyphIndex = (idRangeOffsets.get(j) - 2 * (segCount - j)) / 2 + (k - startCodes.get(j));
int glyph = glyphIndices.get(glyphIndex);
input.seek(glyphIdArrayOffset + 2 * glyphIndex);
int glyph = readUnsignedShort(input);
ctg.put(k, glyph);
}
}