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Fix Reduce Color Arithmetic Overflow

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This commit is contained in:
Pete M. Wilson 2016-01-07 19:16:44 -05:00
parent cab854b722
commit 2973ea654e
1 changed files with 2 additions and 2 deletions
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4
GreenshotPlugin/Core/QuantizerHelper.cs
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@ -578,7 +578,7 @@ namespace GreenshotPlugin.Core {
// the cube cannot be cut at bottom (this would lead to empty cube) // the cube cannot be cut at bottom (this would lead to empty cube)
if (halfWeight != 0) { if (halfWeight != 0) {
Single halfDistance = halfRed * halfRed + halfGreen * halfGreen + halfBlue * halfBlue; Single halfDistance = (Single)halfRed * halfRed + (Single)halfGreen * halfGreen + (Single)halfBlue * halfBlue;
Single temp = halfDistance / halfWeight; Single temp = halfDistance / halfWeight;
halfRed = wholeRed - halfRed; halfRed = wholeRed - halfRed;
@ -587,7 +587,7 @@ namespace GreenshotPlugin.Core {
halfWeight = wholeWeight - halfWeight; halfWeight = wholeWeight - halfWeight;
if (halfWeight != 0) { if (halfWeight != 0) {
halfDistance = halfRed * halfRed + halfGreen * halfGreen + halfBlue * halfBlue; halfDistance = (Single)halfRed * halfRed + (Single)halfGreen * halfGreen + (Single)halfBlue * halfBlue;
temp += halfDistance / halfWeight; temp += halfDistance / halfWeight;
if (temp > result) { if (temp > result) {