52 lines
1.8 KiB
PowerShell
52 lines
1.8 KiB
PowerShell
Add-Type -AssemblyName PresentationCore,WindowsBase
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$path = 'c:\Users\Administrator\Documents\PaaS\photobooth\src\assets\1.png'
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$fs = [System.IO.File]::OpenRead($path)
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$decoder = [System.Windows.Media.Imaging.BitmapDecoder]::Create(
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$fs,
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[System.Windows.Media.Imaging.BitmapCreateOptions]::None,
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[System.Windows.Media.Imaging.BitmapCacheOption]::OnLoad
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)
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$frame = $decoder.Frames[0]
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$w = $frame.PixelWidth
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$h = $frame.PixelHeight
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$stride = $w * 4
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$bytes = New-Object byte[] ($stride * $h)
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$frame.CopyPixels($bytes, $stride, 0)
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$fs.Close()
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# Sample first slot to see what color it has
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Write-Host "=== Sampling actual photo slot colors ==="
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Write-Host "`nSlot 1 (Y=250, various X):"
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$y = 250
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for ($x = 100; $x -le 500; $x += 50) {
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$i = ($y * $stride) + ($x * 4)
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$b = $bytes[$i]; $g = $bytes[$i + 1]; $r = $bytes[$i + 2]
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$light = if ($r -gt 180 -and $g -gt 180 -and $b -gt 180) { "WHITE-ish" }
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elseif ($b -gt ($r + 20) -and $b -gt ($g + 20)) { "BLUE-ish" }
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else { "OTHER" }
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Write-Host " x=$x: RGB($r, $g, $b) = $light"
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}
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Write-Host "`nSlot 2 (Y=700, various X):"
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$y = 700
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for ($x = 100; $x -le 500; $x += 50) {
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$i = ($y * $stride) + ($x * 4)
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$b = $bytes[$i]; $g = $bytes[$i + 1]; $r = $bytes[$i + 2]
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$light = if ($r -gt 180 -and $g -gt 180 -and $b -gt 180) { "WHITE-ish" }
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elseif ($b -gt ($r + 20) -and $b -gt ($g + 20)) { "BLUE-ish" }
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else { "OTHER" }
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Write-Host " x=$x: RGB($r, $g, $b) = $light"
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}
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Write-Host "`nSlot 3 (Y=1250, various X):"
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$y = 1250
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for ($x = 100; $x -le 500; $x += 50) {
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$i = ($y * $stride) + ($x * 4)
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$b = $bytes[$i]; $g = $bytes[$i + 1]; $r = $bytes[$i + 2]
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$light = if ($r -gt 180 -and $g -gt 180 -and $b -gt 180) { "WHITE-ish" }
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elseif ($b -gt ($r + 20) -and $b -gt ($g + 20)) { "BLUE-ish" }
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else { "OTHER" }
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Write-Host " x=$x: RGB($r, $g, $b) = $light"
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}
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