Failed to load/decode PNG-8

[neatudarius]

Hello,

Can you tell me if pixelmatch can load PNG-8 files? (color palette). I got "failed: EncodingError: The source image cannot be decoded." error for a valid PNG-8 files (256 colors in palette).

Here is a short dump with magick tool:

 Properties:
    date:create: 2025-06-10T08:33:29+00:00
    date:modify: 2025-06-10T08:31:10+00:00
    date:timestamp: 2025-06-10T11:46:58+00:00
    png:IHDR.bit-depth-orig: 8
    png:IHDR.bit_depth: 8
    png:IHDR.color-type-orig: 3
    png:IHDR.color_type: 3 (Indexed)
    png:IHDR.interlace_method: 0 (Not interlaced)
    png:IHDR.width,height: 108, 108
    png:PLTE.number_colors: 256