Sync gd 2 4

[pierrejoye]

Sync php's libgd to current GD's master, which will be 2.4.0

New APIs

• 2D vector graphic APIs using FT raster (standalone version)

  • Feature/vector2d 2.4 libgd/libgd#1015

• Share compisitions with existing gd's functions

• optionally allow to replace exising composition OPs to be replace by the new accurate ones.

• ad gdImageRead* APIs, to read an image from a file/stream, codec selected using known binary signature

• Codecs Added:

• QOI full support (bundled/no dep)

• #796 Initial QOI support, read and write libgd/libgd#1005

• JXL + JXL animation

• Webp animation and full formats support

• Full animated WebP read/write support libgd/libgd#1001

• Full TIFF support

• Initial TIFF multiple pages support libgd/libgd#1010

• GIF animations read and write + Full GIF support

• BMP All formats but OS/2

• Feature/bmpfullsupport libgd/libgd#999

• AVIF animation read and write

• UltraHDR support, using libultrahdr, read and write as standalone, or read SD image as gdImage

• Feature/ultrahdr libgd/libgd#1003

• for formats supporting it, raw metadata read/write APIs. can be then be processed and pushed back)

  • Feature/metadata libgd/libgd#1002

Updated/Fixed

• Color Match improvement using Lab* + Delta-E and actual % as input
• Fix and improve freetype rendering and merge both php's libgd + libgd "new encoding"
  . Fix RAMQ rendering
• All codecs with conformance tests (upstream, C)
• Perceptual difference (upstream C, will be exposed so php's tests can rely on it

WIP:

This is the 1st phase, to ensure it builds correctly in php's CI. And hopefully the new deps will be added as well.

The next phases is to expose the new APIs in php's.