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devicescale: Refactoring
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0d0b347411
commit
bf165ae9d4
@ -174,8 +174,6 @@ func getMonitorInfo(hMonitor uintptr, lpMonitorInfo uintptr) error {
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func getDpiForMonitor(hMonitor uintptr, dpiType uintptr, dpiX, dpiY *uint32) error {
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func getDpiForMonitor(hMonitor uintptr, dpiType uintptr, dpiX, dpiY *uint32) error {
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r, _, e := procGetDpiForMonitor.Call(hMonitor, dpiType, uintptr(unsafe.Pointer(dpiX)), uintptr(unsafe.Pointer(dpiY)))
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r, _, e := procGetDpiForMonitor.Call(hMonitor, dpiType, uintptr(unsafe.Pointer(dpiX)), uintptr(unsafe.Pointer(dpiY)))
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runtime.KeepAlive(dpiX)
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runtime.KeepAlive(dpiY)
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if e != nil && e.(windows.Errno) != 0 {
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if e != nil && e.(windows.Errno) != 0 {
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return &winErr{
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return &winErr{
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FuncName: "GetDpiForMonitor",
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FuncName: "GetDpiForMonitor",
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@ -248,9 +246,11 @@ func impl(x, y int) float64 {
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}
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}
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dpiX := uint32(0)
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dpiX := uint32(0)
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dpiY := uint32(0) // Passing dpiY is needed even though this is not used.
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dpiY := uint32(0) // Passing dpiY is needed even though this is not used, or GetDpiForMonitor returns an error.
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if err := getDpiForMonitor(m, mdtEffectiveDpi, &dpiX, &dpiY); err != nil {
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if err := getDpiForMonitor(m, mdtEffectiveDpi, &dpiX, &dpiY); err != nil {
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panic(err)
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panic(err)
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}
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}
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runtime.KeepAlive(dpiY)
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return float64(dpiX) / 96
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return float64(dpiX) / 96
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}
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}
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