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internal/devicescale: Fallback to simpler logic when trying to get DPI from monitor and failing (#1600)

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Closes #1612
This commit is contained in:
corfe83 2021-04-20 19:43:23 -07:00 committed by Hajime Hoshi
parent ab1eb1a0dd
commit ea0645492e
1 changed files with 4 additions and 2 deletions
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6
internal/devicescale/impl_windows.go
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@ -242,13 +242,15 @@ func impl(x, y int) float64 {
// do this with Cgo. Use MonitorFromRect instead. // do this with Cgo. Use MonitorFromRect instead.
m, err := monitorFromRect(&lprc, monitorDefaultToNearest) m, err := monitorFromRect(&lprc, monitorDefaultToNearest)
if err != nil { if err != nil {
panic(err) // monitorFromRect can fail in some environments (#1612)
return getFromLogPixelSx()
} }
dpiX := uint32(0) dpiX := uint32(0)
dpiY := uint32(0) // Passing dpiY is needed even though this is not used, or GetDpiForMonitor returns an error. dpiY := uint32(0) // Passing dpiY is needed even though this is not used, or GetDpiForMonitor returns an error.
if err := getDpiForMonitor(m, mdtEffectiveDpi, &dpiX, &dpiY); err != nil { if err := getDpiForMonitor(m, mdtEffectiveDpi, &dpiX, &dpiY); err != nil {
panic(err) // getDpiForMonitor can fail in some environments (#1612)
return getFromLogPixelSx()
} }
runtime.KeepAlive(dpiY) runtime.KeepAlive(dpiY)