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Analogue Duo Support #20

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Analogue Duo Support #20

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6d459db
Added support for scaling of title screens
joshcampbell191 Dec 24, 2023
3129cd1
Update Convert-Images function to handle game CRCs with multiple ROMs
joshcampbell191 Dec 24, 2023
0ad9c77
Add 'Titles' as a valid option for ScaleMode parameter
joshcampbell191 Dec 25, 2023
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63 changes: 43 additions & 20 deletions AnalogueOSLibraryImageGenerator.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -393,9 +393,13 @@ Function Show-ConvertPrompt {
$scaleMode = if ( $LibraryType -eq 'BoxArts' ) {
'BoxArts'
}
elseif ($LibraryType -eq 'Titles') {
'Titles'
}
else {
'Original'
}

Convert-Images -InputDirectory "$tempExtractionPath\$LibraryType" -OutputDirectory $outdir -Dat $dat -ScaleMode $scaleMode
Pause
}
Expand Down Expand Up @@ -642,7 +646,7 @@ Function Convert-ImageToAnalogueBmp {
[string]$OutFile,
[byte[]]$ImageHeader = @( 0x20, 0x49, 0x50, 0x41 ),
[Parameter(Mandatory)]
[ValidateSet('Original', 'BoxArts')]
[ValidateSet('Original', 'BoxArts', 'Titles')]
[string]$ScaleMode,
[ValidateSet('PNG', 'JPG')]
[string]$SourceFormat = 'PNG'
Expand Down Expand Up @@ -688,36 +692,47 @@ Function Convert-ImageToAnalogueBmp {
}
}

# Rotate -90 degrees per Analogue spec
$rotatedBitmap = [System.Windows.Media.Imaging.TransformedBitmap]::new(
$bitmapSource,
[System.Windows.Media.RotateTransform]::new(-90)
)

# Determine aspect ratio for scaling
# Only need height ratio as target canvas is landscape oriented
$scaledBitmap = switch ( $ScaleMode ) {
'Original' {
# Don't scale at all, just use the rotated bitmap
$rotatedBitmap
$bitmapSource
break
}

'Titles' {
$scaleX = 165 / $bitmapSource.PixelWidth
$scaleY = 149 / $bitmapSource.PixelHeight

[System.Windows.Media.Imaging.TransformedBitmap]::new(
$bitmapSource,
[System.Windows.Media.ScaleTransform]::new($scaleX, $scaleY)
)
break
}

'BoxArts' {
$scale = 165 / $rotatedBitmap.PixelHeight
# Only need width ratio for box arts
$scale = 165 / $bitmapSource.PixelWidth

[System.Windows.Media.Imaging.TransformedBitmap]::new(
$rotatedBitmap,
$bitmapSource,
[System.Windows.Media.ScaleTransform]::new($scale, $scale)
)
break
}
}

# Rotate -90 degrees per Analogue spec
$rotatedBitmap = [System.Windows.Media.Imaging.TransformedBitmap]::new(
$scaledBitmap,
[System.Windows.Media.RotateTransform]::new(-90)
)

# Create new bitmap from rotated bitmap using BGRA32 pixel format
$convertedBitmap = [System.Windows.Media.Imaging.FormatConvertedBitmap]::new()
$convertedBitmap.BeginInit()
$convertedBitmap.Source = $scaledBitmap
$convertedBitmap.Source = $rotatedBitmap
$convertedBitmap.DestinationFormat = [System.Windows.Media.PixelFormats]::Bgra32
$convertedBitmap.EndInit()

Expand All @@ -732,18 +747,18 @@ Function Convert-ImageToAnalogueBmp {
$bytesWritten += $ImageHeader.Length

# Dimensions as bytes, reverse order for little endian
$h_bytes = [BitConverter]::GetBytes(( [int16]( $convertedBitmap.PixelHeight ) ))
$w_bytes = [BitConverter]::GetBytes(( [int16]( $convertedBitmap.PixelWidth ) ))
$h_bytes = [BitConverter]::GetBytes(( [int16]( $convertedBitmap.PixelHeight ) ))
if ( !( [BitConverter]::IsLittleEndian ) ) {
[array]::Reverse($h_bytes)
[array]::Reverse($w_bytes)
[array]::Reverse($h_bytes)
}

# Write image dimensions in bytes
$imageStream2.Write($h_bytes, 0, $h_bytes.Length)
$bytesWritten += $h_bytes.Length
$imageStream2.Write($w_bytes, 0, $w_bytes.Length)
$bytesWritten += $w_bytes.Length
$imageStream2.Write($h_bytes, 0, $h_bytes.Length)
$bytesWritten += $h_bytes.Length

# Create pixel buffer and calculate stride
$pixels = [byte[]]::new(( $convertedBitmap.PixelWidth * $convertedBitmap.PixelHeight * 4 ))
Expand Down Expand Up @@ -811,7 +826,7 @@ Function Convert-Images {
[Parameter(Mandatory)]
[hashtable[]]$Dat,
[Parameter(Mandatory)]
[ValidateSet('Original', 'BoxArts')]
[ValidateSet('Original', 'BoxArts', 'Titles')]
[string]$ScaleMode
)

Expand Down Expand Up @@ -917,17 +932,25 @@ Function Convert-Images {
# Determine outfile name (skip if game not found)
$found = $false
foreach ( $game in $Dat ) {

# Per `libretro-thumbnails` instructions, replace the following characters
# in the game name with an underscore, as these characters are illegal in
# file paths:
#
# &*/:`<>?\|"
$useGameName = $game.name -replace '[&\*/:`<>\?\\\|"]', '_'

# The CRC of games containing multiple ROMs is the second track unless the game only has one.
$gameCrc = if ( $game.CRC -is [array] ) {
$index = [math]::Min($game.CRC.Count, 3) - 1
$game.CRC[$index]
}
else {
$game.CRC
}

if ( $useBaseName -eq $useGameName ) {
$found = $true
$outFile = "$OutputDirectory\$($game.CRC).bin"
$outFile = "$OutputDirectory\$($gameCrc).bin"

$returnObj = Convert-ImageToAnalogueBmp -ScaleMode $ScaleMode $inFile $outFile -SourceFormat $imageType
$returnObj.Name = $_.BaseName
Expand Down Expand Up @@ -965,7 +988,7 @@ Function Convert-SingleImage {
[Parameter(Mandatory)]
[string]$OutFile,
[Parameter(Mandatory)]
[ValidateSet('Original', 'BoxArts')]
[ValidateSet('Original', 'BoxArts', 'Titles')]
[string]$ScaleMode,
[byte[]]$ImageHeader
)
Expand Down