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changeset 6410:97c4591b09c5

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8025034: Improve layout lookups Reviewed-by: mschoene, vadim, srl
author vadim
date Thu, 19 Sep 2013 20:56:20 +0400
parents 47e0b80c2703
children 3de6d912bc22
files src/share/native/sun/font/layout/LookupProcessor.cpp
diffstat 1 files changed, 6 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/native/sun/font/layout/LookupProcessor.cpp	Sun Oct 20 06:12:08 2013 -0700
+++ b/src/share/native/sun/font/layout/LookupProcessor.cpp	Thu Sep 19 20:56:20 2013 +0400
@@ -144,7 +144,7 @@
 le_int32 LookupProcessor::selectLookups(const LEReferenceTo<FeatureTable> &featureTable, FeatureMask featureMask, le_int32 order, LEErrorCode &success)
 {
   le_uint16 lookupCount = featureTable.isValid()? SWAPW(featureTable->lookupCount) : 0;
-    le_int32  store = order;
+    le_uint32  store = (le_uint32)order;
 
     LEReferenceToArrayOf<le_uint16> lookupListIndexArray(featureTable, success, featureTable->lookupListIndexArray, lookupCount);
 
@@ -153,6 +153,9 @@
       if (lookupListIndex >= lookupSelectCount) {
         continue;
       }
+      if (store >= lookupOrderCount) {
+        continue;
+      }
 
       lookupSelectArray[lookupListIndex] |= featureMask;
       lookupOrderArray[store++] = lookupListIndex;
@@ -252,7 +255,7 @@
 
     if (requiredFeatureIndex != 0xFFFF) {
       requiredFeatureTable = featureListTable->getFeatureTable(featureListTable, requiredFeatureIndex, &requiredFeatureTag, success);
-      featureReferences += SWAPW(featureTable->lookupCount);
+      featureReferences += SWAPW(requiredFeatureTable->lookupCount);
     }
 
     lookupOrderArray = LE_NEW_ARRAY(le_uint16, featureReferences);
@@ -260,6 +263,7 @@
         success = LE_MEMORY_ALLOCATION_ERROR;
         return;
     }
+    lookupOrderCount = featureReferences;
 
     for (le_int32 f = 0; f < featureMapCount; f += 1) {
         FeatureMap fm = featureMap[f];