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Fix crashes

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This commit is contained in:
Autumn Lamonte 2022-01-26 17:52:12 -06:00
parent 866f93b6f4
commit fec19e4660
1 changed files with 13 additions and 2 deletions
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15
src/jexer/backend/HQSixelEncoder.java
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@ -251,7 +251,10 @@ public class HQSixelEncoder implements SixelEncoder {
* @return the index
*/
public int getIndex() {
return colors.get(0).index;
if (colors.size() > 0) {
return colors.get(0).index;
}
return 0;
}
/**
@ -365,6 +368,10 @@ public class HQSixelEncoder implements SixelEncoder {
*/
public int average() {
if (quantizationDone) {
if (colors.size() == 0) {
lastAverage = 0xFF000000;
return lastAverage;
}
int sixelColor = sixelColors.get(colors.get(0).index);
if ((sixelColor == 0xFF000000)
|| (sixelColor == 0xFF646464)
@ -391,6 +398,10 @@ public class HQSixelEncoder implements SixelEncoder {
totalBlue += color.count * blue;
count += color.count;
}
if (count == 0) {
lastAverage = 0xFF000000;
return lastAverage;
}
totalRed = clampSixel((int) (totalRed / count));
totalGreen = clampSixel((int) (totalGreen / count));
totalBlue = clampSixel((int) (totalBlue / count));
@ -627,7 +638,7 @@ public class HQSixelEncoder implements SixelEncoder {
*
* - Otherwise use octree.
*/
if ((numColors <= 256) && (colorMap.size() <= numColors)) {
if (colorMap.size() <= numColors) {
// TODO: The numColors <= 256 above should not be there. But
// apparently my median cut is buggy and only works with 256+
// colors. Honestly, is my median cut even doing anything?!