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8262477: Enhance String Conclusions

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Reviewed-by: rhalade, mschoene, psadhukhan, jdv, serb
This commit is contained in:
Phil Race 2021-03-29 18:10:12 +00:00 committed by Henry Jen
parent 9accf7c894
commit 1c8b9727b7
1 changed files with 16 additions and 4 deletions
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20
src/java.desktop/share/classes/sun/font/TrueTypeFont.java
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@ -985,24 +985,36 @@ public class TrueTypeFont extends FileFont {
private void setStrikethroughMetrics(ByteBuffer os_2Table, int upem) { private void setStrikethroughMetrics(ByteBuffer os_2Table, int upem) {
if (os_2Table == null || os_2Table.capacity() < 30 || upem < 0) { if (os_2Table == null || os_2Table.capacity() < 30 || upem < 0) {
stSize = .05f; stSize = 0.05f;
stPos = -.4f; stPos = -0.4f;
return; return;
} }
ShortBuffer sb = os_2Table.asShortBuffer(); ShortBuffer sb = os_2Table.asShortBuffer();
stSize = sb.get(13) / (float)upem; stSize = sb.get(13) / (float)upem;
stPos = -sb.get(14) / (float)upem; stPos = -sb.get(14) / (float)upem;
if (stSize < 0f) {
stSize = 0.05f;
}
if (Math.abs(stPos) > 2.0f) {
stPos = -0.4f;
}
} }
private void setUnderlineMetrics(ByteBuffer postTable, int upem) { private void setUnderlineMetrics(ByteBuffer postTable, int upem) {
if (postTable == null || postTable.capacity() < 12 || upem < 0) { if (postTable == null || postTable.capacity() < 12 || upem < 0) {
ulSize = .05f; ulSize = 0.05f;
ulPos = .1f; ulPos = 0.1f;
return; return;
} }
ShortBuffer sb = postTable.asShortBuffer(); ShortBuffer sb = postTable.asShortBuffer();
ulSize = sb.get(5) / (float)upem; ulSize = sb.get(5) / (float)upem;
ulPos = -sb.get(4) / (float)upem; ulPos = -sb.get(4) / (float)upem;
if (ulSize < 0f) {
ulSize = 0.05f;
}
if (Math.abs(ulPos) > 2.0f) {
ulPos = 0.1f;
}
} }
@Override @Override