1 files changed, 66 insertions, 0 deletions
diff --git a/external/pytmx/util_pysdl2.py b/external/pytmx/util_pysdl2.py
new file mode 100644
index 0000000..a88793a
--- /dev/null
+++ b/external/pytmx/util_pysdl2.py
@@ -0,0 +1,66 @@
+import logging
+from functools import partial
+
+logger = logging.getLogger(__name__)
+ch = logging.StreamHandler()
+ch.setLevel(logging.INFO)
+logger.addHandler(ch)
+logger.setLevel(logging.INFO)
+
+try:
+    import sdl2.ext
+except ImportError:
+    logger.error('cannot import pysdl2 (is it installed?)')
+    raise
+
+import pytmx
+
+__all__ = ['load_pysdl2', 'pysdl2_image_loader', ]
+flag_names = (
+    'flipped_horizontally',
+    'flipped_vertically',
+    'flipped_diagonally',)
+
+
+def pysdl2_image_loader(renderer, filename, colorkey, **kwargs):
+    def convert(surface):
+        texture_ = sdl2.SDL_CreateTextureFromSurface(renderer.renderer, surface)
+        sdl2.SDL_SetTextureBlendMode(texture_, sdl2.SDL_BLENDMODE_BLEND)
+        sdl2.SDL_FreeSurface(surface)
+        return texture_
+
+    def load_image(rect=None, flags=None):
+        if rect:
+            try:
+                flip = 0
+                if flags.flipped_horizontally:
+                    flip |= sdl2.SDL_FLIP_HORIZONTAL
+                if flags.flipped_vertically:
+                    flip |= sdl2.SDL_FLIP_VERTICAL
+                if flags.flipped_diagonally:
+                    flip |= 4
+
+                rect = sdl2.rect.SDL_Rect(*rect)
+                return texture, rect, flip
+
+            except ValueError:
+                logger.error('Tile bounds outside bounds of tileset image')
+                raise
+        else:
+            return texture, None, 0
+
+    image = sdl2.ext.load_image(filename)
+
+    if colorkey:
+        colorkey = sdl2.ext.string_to_color('#' + colorkey)
+        key = sdl2.SDL_MapRGB(image.format, *colorkey[:3])
+        sdl2.SDL_SetColorKey(image, sdl2.SDL_TRUE, key)
+
+    texture = convert(image)
+
+    return load_image
+
+
+def load_pysdl2(renderer, filename, *args, **kwargs):
+    kwargs['image_loader'] = partial(pysdl2_image_loader, renderer)
+    return pytmx.TiledMap(filename, *args, **kwargs)