Squashed 'external/gainput/' content from commit 2be0a50

git-subtree-dir: external/gainput
git-subtree-split: 2be0a50089eafcc6fccb66142180082e48f27f4c

lib/include/gainput/GainputDebugRenderer.h

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+
+#ifndef GAINPUTDEBUGRENDERER_H_
+#define GAINPUTDEBUGRENDERER_H_
+
+namespace gainput
+{
+
+/// Interface for debug rendering of input device states.
+/**
+ * Coordinates and other measures passed to the interface's functions are in the
+ * range of 0.0f to 1.0f.
+ *
+ * The functions are called as part InputManager::Update().
+ */
+class GAINPUT_LIBEXPORT DebugRenderer
+{
+public:
+	/// Empty virtual destructor.
+	virtual ~DebugRenderer() { }
+
+	/// Called to draw a circle with the given radius.
+	virtual void DrawCircle(float x, float y, float radius) = 0;
+
+	/// Called to draw a line between the two given points.
+	virtual void DrawLine(float x1, float y1, float x2, float y2) = 0;
+
+	/// Called to draw some text at the given position.
+	virtual void DrawText(float x, float y, const char* const text) = 0;
+};
+
+}
+
+#endif
+