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fix crash: divide by zero when computing avg color

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This commit is contained in:
Andrew Meadows 2014-08-25 15:15:27 -07:00
parent fe1a333ede
commit 3ad9797607
1 changed files with 5 additions and 1 deletions
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6
interface/src/renderer/TextureCache.cpp
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@ -404,6 +404,7 @@ void ImageReader::run() {
const int EIGHT_BIT_MAXIMUM = 255;
if (!image.hasAlphaChannel()) {
QColor averageColor(EIGHT_BIT_MAXIMUM, EIGHT_BIT_MAXIMUM, EIGHT_BIT_MAXIMUM);
if (image.format() != QImage::Format_RGB888) {
image = image.convertToFormat(QImage::Format_RGB888);
}
@ -416,8 +417,11 @@ void ImageReader::run() {
blueTotal += qBlue(rgb);
}
}
if (imageArea > 0) {
averageColor.setRgb(redTotal / imageArea, greenTotal / imageArea, blueTotal / imageArea);
}
QMetaObject::invokeMethod(texture.data(), "setImage", Q_ARG(const QImage&, image), Q_ARG(bool, false),
Q_ARG(const QColor&, QColor(redTotal / imageArea, greenTotal / imageArea, blueTotal / imageArea)));
Q_ARG(const QColor&, averageColor));
return;
}
if (image.format() != QImage::Format_ARGB32) {