Merge pull request #2608 from pygame-community/ankith26-document-xcf

Test PBM and LBM images, test and document XCF

Author: MyreMylar

docs/reST/ref/image.rst

@@ -27,13 +27,13 @@ formats.
 
    * ``JPEG``
 
-   * ``LBM`` (and ``PBM``, ``PGM``, ``PPM``)
+   * ``LBM``
 
    * ``PCX``
 
    * ``PNG``
-   
-   * ``PNM``
+
+   * ``PNM`` (``PBM``, ``PGM``, ``PPM``)
 
    * ``QOI``
 
@@ -46,8 +46,9 @@ formats.
    * ``WEBP``
 
    * ``XPM``
-   
-   
+
+   * ``XCF``
+
 .. versionaddedold:: 2.0 Loading SVG, WebP, PNM
 
 .. versionadded:: 2.4.0 Loading QOI (Relies on SDL_Image 2.6.0+)

examples/data/magenta.lbm

@@ -1758,14 +1758,20 @@ def test_load_extended(self):
             ("purple.xpm", (255, 0, 255, 255)),
             ("black.ppm", (0, 0, 0, 255)),
             ("grey.pgm", (120, 120, 120, 255)),
+            ("white.pbm", (255, 255, 255, 255)),
             ("teal.svg", (0, 128, 128, 255)),
             ("crimson.pnm", (220, 20, 60, 255)),
             ("scarlet.webp", (252, 14, 53, 255)),
+            ("tomato.xcf", (255, 99, 71, 255)),
         ]
 
         if pygame.image.get_sdl_image_version() > (2, 0, 5):
             filename_expected_color.append(("purple.qoi", (159, 38, 240, 255)))
 
+        # SDL_image 2.8.0 and 2.8.1 have an LBM file loading regression
+        if not (2, 8, 0) <= pygame.image.get_sdl_image_version() < (2, 8, 2):
+            filename_expected_color.append(("magenta.lbm", (255, 0, 255, 255)))
+
         for filename, expected_color in filename_expected_color:
             if filename.endswith("svg") and sdl_image_svg_jpeg_save_bug:
                 # SDL_image 2.0.5 and older has an svg loading bug on big