X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=src%2Fscreen.h;h=44dd2c723be7ea089fdc962c4c7bd8a826bc2571;hb=029e93dad12c51c69e47aa74dcc39f84d315bca3;hp=4d92cb33c42b49242b97d32d1e858fcf55a5babd;hpb=a269b3e29535918a390f448829a3459e4853425b;p=ipdf%2Fcode.git

diff --git a/src/screen.h b/src/screen.h
index 4d92cb3..44dd2c7 100644
--- a/src/screen.h
+++ b/src/screen.h
@@ -20,12 +20,15 @@ namespace IPDF
 		// Returns 'false' if the program should quit.
 		bool PumpEvents();
 
+		// Clears the screen to a given colour.
+		void Clear(float r=1.0, float g=1.0, float b=1.0, float a=1.0);
+
 		// Finishes rendering a frame, and presents it on the screen.
 		void Present();
 
 		// Get the current width/height of the window's viewport.
-		int ViewportWidth() { return m_viewport_width; }
-		int ViewportHeight() { return m_viewport_height; }
+		int ViewportWidth() const { return m_viewport_width; }
+		int ViewportHeight() const { return m_viewport_height; }
 		
 		// Handle mouse input.
 		typedef std::function<void(int x, int y, int button, int wheel)> MouseHandler;
@@ -43,6 +46,9 @@ namespace IPDF
 			CursorHand
 		};
 		void SetMouseCursor(MouseCursors cursor);
+
+		void ScreenShot(const char * filename) const;
+		void RenderBMP(const char * filename) const;
 	private:
 		void ResizeViewport(int width, int height);