Python: Add PIL export

src/platform/python/mgba/image.py

@@ -6,6 +6,11 @@
 from ._pylib import ffi, lib
 from . import png
 
+try:
+    import PIL.Image as PImage
+except ImportError:
+    pass
+
 class Image:
     def __init__(self, width, height, stride=0):
         self.width = width
@@ -25,6 +30,11 @@ class Image:
         p.writeClose()
         return success
 
+    if 'PImage' in globals():
+        def toPIL(self):
+            return PImage.frombytes("RGBX", (self.width, self.height), ffi.buffer(self.buffer), "raw",
+                                    "RGBX", self.stride * 4)
+
 def u16ToU32(c):
     r = c & 0x1F
     g = (c >> 5) & 0x1F

src/platform/python/setup.py.in

@@ -23,6 +23,7 @@ setup(name="${BINARY_NAME}",
       packages=["mgba"],
       setup_requires=['cffi>=1.6'],
       install_requires=['cffi>=1.6', 'cached-property'],
+      extras_require={'pil': ['Pillow>=2.3']},
       cffi_modules=["_builder.py:ffi"],
       license="MPL 2.0",
       classifiers=classifiers