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PixelPaint: Avoid division-by-zero in HistogramWidget

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This is more of a hack fix than anything else, but let's stop PixelPaint
from infinite-looping in HistogramWidget::paint_event().
This commit is contained in:
Andreas Kling 2022-08-23 21:05:03 +02:00
parent 9c1ee8cbd1
commit 28714deff6
1 changed files with 4 additions and 4 deletions
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8
Userland/Applications/PixelPaint/HistogramWidget.cpp
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@ -89,10 +89,10 @@ ErrorOr<void> HistogramWidget::rebuild_histogram_data()
m_widget_height = height();
for (int i = 0; i < 256; i++) {
m_data.red[i] = (static_cast<float>(m_data.red[i]) / max_color_frequency) * m_widget_height;
m_data.green[i] = (static_cast<float>(m_data.green[i]) / max_color_frequency) * m_widget_height;
m_data.blue[i] = (static_cast<float>(m_data.blue[i]) / max_color_frequency) * m_widget_height;
m_data.brightness[i] = (static_cast<float>(m_data.brightness[i]) / max_brightness_frequency) * m_widget_height;
m_data.red[i] = m_data.red[i] != 0 ? (static_cast<float>(m_data.red[i]) / max_color_frequency) * m_widget_height : 0;
m_data.green[i] = m_data.green[i] != 0 ? (static_cast<float>(m_data.green[i]) / max_color_frequency) * m_widget_height : 0;
m_data.blue[i] = m_data.blue[i] != 0 ? (static_cast<float>(m_data.blue[i]) / max_color_frequency) * m_widget_height : 0;
m_data.brightness[i] = m_data.brightness[i] != 0 ? (static_cast<float>(m_data.brightness[i]) / max_brightness_frequency) * m_widget_height : 0;
}
update();