Initial community commit

Src/Winamp/dpi.h

@@ -0,0 +1,46 @@
+#pragma once
+/*#ifndef _WA_DPI_H
+#define _WA_DPI_H*/
+
+#ifdef __cplusplus
+
+extern "C"
+{
+#endif
+
+#include <windows.h>
+
+// DPI awareness based on http://msdn.microsoft.com/en-US/library/dd464660.aspx
+// Definition: relative pixel = 1 pixel at 96 DPI and scaled based on actual DPI.
+
+// Get screen DPI.
+int GetDPIX();
+int GetDPIY();
+
+// Convert between raw pixels and relative pixels.
+int ScaleX(int x);
+int ScaleY(int y);
+int UnscaleX(int x);
+int UnscaleY(int y);
+
+int _ScaledSystemMetricX(int nIndex);
+int _ScaledSystemMetricY(int nIndex);
+
+// Determine the screen dimensions in relative pixels.
+int ScaledScreenWidth();
+int ScaledScreenHeight();
+
+// Scale rectangle from raw pixels to relative pixels.
+void ScaleRect(__inout RECT *pRect);
+
+// Determine if screen resolution meets minimum requirements in relative pixels.
+BOOL IsResolutionAtLeast(int cxMin, int cyMin);
+
+// Convert a point size (1/72 of an inch) to raw pixels.
+int PointsToPixels(int pt);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+//#endif