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devicescale: Bug fix: the active window can't be passed to ReleaseDC

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This commit is contained in:
Hajime Hoshi 2018-10-03 04:16:28 +09:00
parent 02a2fc2d44
commit 11d23bafa9
1 changed files with 5 additions and 2 deletions
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7
internal/devicescale/impl_windows.go
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@ -145,7 +145,6 @@ func getFromLogPixelSx() float64 {
if err != nil { if err != nil {
panic(err) panic(err)
} }
defer releaseDC(0, dc)
// Note that GetDeviceCaps with LOGPIXELSX always returns a same value for any monitors // Note that GetDeviceCaps with LOGPIXELSX always returns a same value for any monitors
// even if multiple monitors are used. // even if multiple monitors are used.
@ -154,6 +153,10 @@ func getFromLogPixelSx() float64 {
panic(err) panic(err)
} }
if err := releaseDC(0, dc); err != nil {
panic(err)
}
return float64(dpi) / 96 return float64(dpi) / 96
} }
@ -173,9 +176,9 @@ func impl() float64 {
} }
// The window is not initialized yet when w == 0. // The window is not initialized yet when w == 0.
if w == 0 { if w == 0 {
// TODO: Use the primary monitor instead.
return getFromLogPixelSx() return getFromLogPixelSx()
} }
defer releaseDC(0, w)
m, err := monitorFromWindow(w, monitorDefaultToNearest) m, err := monitorFromWindow(w, monitorDefaultToNearest)
if err != nil { if err != nil {