Fix offseting. Add function to get screen size.

1 files changed, 3 insertions, 0 deletions

diff --git a/gfx-iso/include/isogfx/isogfx.h b/gfx-iso/include/isogfx/isogfx.h
index e96606c..3421a7b 100644
--- a/gfx-iso/include/isogfx/isogfx.h
+++ b/gfx-iso/include/isogfx/isogfx.h
@@ -123,6 +123,9 @@ void isogfx_draw_tile(IsoGfx*, int x, int y, Tile);
 /// Resize the virtual screen's dimensions.
 bool isogfx_resize(IsoGfx*, int screen_width, int screen_height);
 
+/// Get the virtual screen's dimensions.
+void isogfx_get_screen_size(const IsoGfx*, int* width, int* height);
+
 /// Return a pointer to the virtual screen's colour buffer.
 ///
 /// Call after each call to isogfx_render() to retrieve the render output.