45 lines
1.3 KiB
PowerShell
45 lines
1.3 KiB
PowerShell
Add-Type -AssemblyName System.Drawing
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$srcPath = "E:\wk-lab\u-desk\build\windows\app-icon.png"
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$icoPath = "E:\wk-lab\u-desk\build\windows\icon.ico"
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$sizes = @(256, 128, 64, 48, 32, 16)
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$src = [System.Drawing.Image]::FromFile($srcPath)
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$fs = New-Object System.IO.FileStream($icoPath, [System.IO.FileMode]::Create)
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$w = New-Object System.IO.BinaryWriter($fs)
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$w.Write([uint16]0)
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$w.Write([uint16]1)
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$w.Write([uint16]$sizes.Count)
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foreach ($sz in $sizes) {
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$bmp = New-Object System.Drawing.Bitmap($sz, $sz, [System.Drawing.Imaging.PixelFormat]::Format32bppArgb)
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$g = [System.Drawing.Graphics]::FromImage($bmp)
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$g.SmoothingMode = [System.Drawing.Drawing2D.SmoothingMode]::HighQuality
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$g.InterpolationMode = [System.Drawing.Drawing2D.InterpolationMode]::HighQualityBicubic
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$g.DrawImage($src, 0, 0, $sz, $sz)
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$g.Dispose()
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$ms = New-Object System.IO.MemoryStream
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$bmp.Save($ms, [System.Drawing.Imaging.ImageFormat]::Png)
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$bytes = $ms.ToArray()
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$ms.Dispose()
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$bmp.Dispose()
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$w.Write([uint32]40)
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$w.Write([int32]$sz)
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$w.Write([int32]$sz)
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$w.Write([uint16]1)
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$w.Write([uint32]32)
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$w.Write([uint32]$bytes.Length)
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$w.Write([uint32]22)
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$w.Write($bytes)
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}
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$w.Close()
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$fs.Close()
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$src.Dispose()
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$item = Get-Item $icoPath
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Write-Output "ICO: $($item.Name) ($([math]::Round($item.Length / 1KB)) KB)"
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