Add-Type -AssemblyName PresentationCore,WindowsBase

$path = 'c:\Users\Administrator\Documents\PaaS\photobooth\src\assets\1.png'
$fs = [System.IO.File]::OpenRead($path)
$decoder = [System.Windows.Media.Imaging.BitmapDecoder]::Create(
    $fs,
    [System.Windows.Media.Imaging.BitmapCreateOptions]::None,
    [System.Windows.Media.Imaging.BitmapCacheOption]::OnLoad
)
$frame = $decoder.Frames[0]
$w = $frame.PixelWidth
$h = $frame.PixelHeight
$stride = $w * 4
$bytes = New-Object byte[] ($stride * $h)
$frame.CopyPixels($bytes, $stride, 0)
$fs.Close()

Write-Host "=== Measuring 1.png ($w x $h) ==="

# Manually check specific pixels to find exact boundaries
Write-Host "`nSlot 1 - around Y=180:"
$y = 180
for ($x = 70; $x -le 520; $x += 50) {
    $i = ($y * $stride) + ($x * 4)
    $b = $bytes[$i]
    $g = $bytes[$i + 1]
    $r = $bytes[$i + 2]
    $char = if ($r -gt 200 -and $g -gt 200 -and $b -gt 200) { "█" } else { "." }
    Write-Host "  x=$x : $char RGB($r,$g,$b)"
}

Write-Host "`nSlot 2 - around Y=700:"
$y = 700
for ($x = 70; $x -le 520; $x += 50) {
    $i = ($y * $stride) + ($x * 4)
    $b = $bytes[$i]
    $g = $bytes[$i + 1]
    $r = $bytes[$i + 2]
    $char = if ($r -gt 200 -and $g -gt 200 -and $b -gt 200) { "█" } else { "." }
    Write-Host "  x=$x : $char RGB($r,$g,$b)"
}

Write-Host "`nSlot 3 - around Y=1200:"
$y = 1200
for ($x = 70; $x -le 520; $x += 50) {
    $i = ($y * $stride) + ($x * 4)
    $b = $bytes[$i]
    $g = $bytes[$i + 1]
    $r = $bytes[$i + 2]
    $char = if ($r -gt 200 -and $g -gt 200 -and $b -gt 200) { "█" } else { "." }
    Write-Host "  x=$x : $char RGB($r,$g,$b)"
}
