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Fix divide-by-zero issue in screen dpi calculation on raspberry pi

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hogliux 2015-05-18 13:05:14 +01:00
parent 06c1a15496
commit 3ed50c3f09
1 changed files with 6 additions and 2 deletions
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8
modules/juce_gui_basics/native/juce_linux_Windowing.cpp
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@ -1215,8 +1215,12 @@ private:
e.usableBounds = e.totalBounds.withZeroOrigin(); // Support for usable area is not implemented in JUCE yet
e.topLeftScaled = e.totalBounds.getTopLeft();
e.isMain = (mainDisplay == screens->outputs[j]) && (i == 0);
e.dpi = ((static_cast<double> (crtc->width) * 25.4 * 0.5) / static_cast<double> (output->mm_width))
+ ((static_cast<double> (crtc->height) * 25.4 * 0.5) / static_cast<double> (output->mm_height));
e.dpi = getDisplayDPI (0);
// The raspberry pi returns a zero sized display, so we need to guard for divide-by-zero
if (output->mm_width > 0 && output->mm_height > 0)
e.dpi = ((static_cast<double> (crtc->width) * 25.4 * 0.5) / static_cast<double> (output->mm_width))
+ ((static_cast<double> (crtc->height) * 25.4 * 0.5) / static_cast<double> (output->mm_height));
e.scale = masterScale * getScaleForDisplay (output->name, e);