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LibGfx: Add a .pam loader

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.pam is a "portrable arbitrarymap" as documented at
https://netpbm.sourceforge.net/doc/pam.html

It's very similar to .pbm, .pgm, and .ppm, so this uses the
PortableImageMapLoader framework. The header is slightly different,
so this has a custom header parsing function.

Also, .pam only exixts in binary form, so the ascii form support
becomes optional.
This commit is contained in:
Nico Weber 2024-01-24 21:27:24 -05:00 • committed by Andreas Kling
parent 0d76a9da17
commit 187862ebe0
9 changed files with 173 additions and 9 deletions
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1
Userland/Libraries/LibGfx/Bitmap.h
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@ -26,6 +26,7 @@
__ENUMERATE_IMAGE_FORMAT(jpeg, ".jpg") \
__ENUMERATE_IMAGE_FORMAT(jxl, ".jxl") \
__ENUMERATE_IMAGE_FORMAT(iff, ".lbm") \
__ENUMERATE_IMAGE_FORMAT(pam, ".pam") \
__ENUMERATE_IMAGE_FORMAT(pbm, ".pbm") \
__ENUMERATE_IMAGE_FORMAT(pgm, ".pgm") \
__ENUMERATE_IMAGE_FORMAT(png, ".png") \