36 lines
3.1 KiB
PowerShell
36 lines
3.1 KiB
PowerShell
# dpi-check.ps1 (dpi-23, 7 October 2026): READ-ONLY. Reports the installed Igneum Miner window's DPI awareness, its rectangle in
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# physical pixels, its monitor's DPI and scale, and the logical size that follows; the PC job runs it at 100, 150, 200 and 250
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# percent after the user sets the scale (the script sets nothing). With -Expect PerMonitorV2 it exits 1 when the awareness
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# differs (known-failed on the 0.3.22 host, which is Unaware, so Windows stretched its render). Touches nothing: no click, no
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# message to the window, no setting; a job never quits or restarts the installed app.
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param([string]$Expect = "")
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Add-Type @"
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using System; using System.Runtime.InteropServices;
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public static class Dpi {
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[StructLayout(LayoutKind.Sequential)] public struct RECT { public int Left, Top, Right, Bottom; }
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[DllImport("user32.dll")] public static extern IntPtr FindWindowW([MarshalAs(UnmanagedType.LPWStr)] string cls, [MarshalAs(UnmanagedType.LPWStr)] string title);
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[DllImport("user32.dll")] public static extern bool GetWindowRect(IntPtr h, out RECT r);
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[DllImport("user32.dll")] public static extern IntPtr GetWindowDpiAwarenessContext(IntPtr h);
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[DllImport("user32.dll")] public static extern int GetAwarenessFromDpiAwarenessContext(IntPtr ctx);
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[DllImport("user32.dll")] public static extern bool AreDpiAwarenessContextsEqual(IntPtr a, IntPtr b);
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[DllImport("user32.dll")] public static extern IntPtr MonitorFromWindow(IntPtr h, uint flags);
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[DllImport("shcore.dll")] public static extern int GetDpiForMonitor(IntPtr mon, int type, out uint x, out uint y);
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[DllImport("user32.dll")] public static extern bool SetProcessDpiAwarenessContext(IntPtr ctx);
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}
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"@
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[void][Dpi]::SetProcessDpiAwarenessContext([IntPtr](-4)) # this script reads physical pixels itself
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$h = [Dpi]::FindWindowW("IgneumMinerWindow", $null)
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if ($h -eq [IntPtr]::Zero) { Write-Output "dpi-check: no Igneum Miner window (class IgneumMinerWindow) on this desktop"; exit 2 }
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$ctx = [Dpi]::GetWindowDpiAwarenessContext($h)
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$aw = [Dpi]::GetAwarenessFromDpiAwarenessContext($ctx) # 0 Unaware, 1 System, 2 PerMonitor
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$v2 = [Dpi]::AreDpiAwarenessContextsEqual($ctx, [IntPtr](-4))
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$word = if ($v2) { "PerMonitorV2" } elseif ($aw -eq 2) { "PerMonitor" } elseif ($aw -eq 1) { "System" } else { "Unaware" }
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$r = New-Object Dpi+RECT; [void][Dpi]::GetWindowRect($h, [ref]$r)
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$mon = [Dpi]::MonitorFromWindow($h, 2); $x = [uint32]96; $y = [uint32]96; [void][Dpi]::GetDpiForMonitor($mon, 0, [ref]$x, [ref]$y)
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$w = $r.Right - $r.Left; $hh = $r.Bottom - $r.Top; $scale = [math]::Round($x / 96.0, 2)
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$lw = [math]::Round($w * 96 / $x); $lh = [math]::Round($hh * 96 / $x)
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Write-Output ("dpi-check: awareness {0}; window {1}x{2} physical at {3},{4}; monitor {5} dpi ({6} percent); logical {7}x{8}" -f $word, $w, $hh, $r.Left, $r.Top, $x, [int]($scale * 100), $lw, $lh)
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$reg = Get-ItemProperty -Path "HKCU:\Software\Igneum\Miner" -ErrorAction SilentlyContinue
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if ($reg) { Write-Output ("dpi-check: remembered WindowW {0} WindowH {1} WindowUnits {2}" -f $reg.WindowW, $reg.WindowH, $reg.WindowUnits) }
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if ($Expect -ne "" -and $word -ne $Expect) { Write-Output ("dpi-check: FAIL, expected {0}" -f $Expect); exit 1 }
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exit 0
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