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Prevent divide by zero error

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Jonathan Thomas
2022-11-18 00:55:16 -06:00
parent fc7575b60e
commit 2b4bcc1e5f
1 changed files with 1 additions and 1 deletions
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2
src/effects/Mask.cpp
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@@ -114,7 +114,7 @@ std::shared_ptr<openshot::Frame> Mask::GetFrame(std::shared_ptr<openshot::Frame>
gray_value += (255 * brightness_value);
// Adjust the contrast
float factor = (20 / (20 - contrast_value));
float factor = (20 / std::fmax(0.00001, 20.0 - contrast_value));
gray_value = (factor * (gray_value - 128) + 128);
// Calculate the % change in alpha