generated from dellevin/template
44 lines
1.5 KiB
PowerShell
44 lines
1.5 KiB
PowerShell
Add-Type -AssemblyName System.Drawing
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$source = 'd:\UserData\Desktop\my_proj\mooknote\assets\icon\app_icon2.png'
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$original = [System.Drawing.Image]::FromFile($source)
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# 目标尺寸（和 flutter_launcher_icons 一致）
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$sizes = @{
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'mipmap-mdpi' = 48
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'mipmap-hdpi' = 72
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'mipmap-xhdpi' = 96
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'mipmap-xxhdpi' = 144
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'mipmap-xxxhdpi' = 192
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}
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foreach ($dir in $sizes.Keys) {
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$size = $sizes[$dir]
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# 创建带透明背景的画布
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$bitmap = New-Object System.Drawing.Bitmap($size, $size, [System.Drawing.Imaging.PixelFormat]::Format32bppArgb)
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$graphics = [System.Drawing.Graphics]::FromImage($bitmap)
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$graphics.InterpolationMode = [System.Drawing.Drawing2D.InterpolationMode]::HighQualityBicubic
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$graphics.SmoothingMode = [System.Drawing.Drawing2D.SmoothingMode]::HighQuality
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# 计算缩放比例，保持宽高比并添加内边距（模拟 flutter_launcher_icons 的行为）
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$padding = [math]::Round($size * 0.1) # 10% padding
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$drawSize = $size - 2 * $padding
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# 居中绘制
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$x = $padding
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$y = $padding
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$graphics.DrawImage($original, $x, $y, $drawSize, $drawSize)
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$graphics.Dispose()
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$output = "d:\UserData\Desktop\my_proj\mooknote\android\app\src\main\res\$dir\ic_launcher2.png"
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$bitmap.Save($output, [System.Drawing.Imaging.ImageFormat]::Png)
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$bitmap.Dispose()
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Write-Host "Generated $output (${size}x${size}) with padding"
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}
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$original.Dispose()
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Write-Host "Done!"
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