Expose Android Display Metrics to Löve

jni/love/src/modules/android/wrap_DisplayMetrics.cpp

@@ -0,0 +1,100 @@
+/**
+ * Copyright (c) 2006-2014 LOVE Development Team
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty.  In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ **/
+
+#include "wrap_DisplayMetrics.h"
+
+namespace love
+{
+namespace android
+{
+
+DisplayMetrics *luax_checkdisplaymetrics(lua_State *L, int idx)
+{
+	return luax_checktype<DisplayMetrics>(L, idx, "DisplayMetrics", ANDROID_DISPLAY_METRICS_T);
+}
+
+int w_getDensity(lua_State *L)
+{
+	DisplayMetrics *metrics = luax_checkdisplaymetrics(L, 1);
+	lua_pushnumber(L, metrics->getDensity());
+	return 1;
+}
+
+int w_getScaledDensity(lua_State *L)
+{
+	DisplayMetrics *metrics = luax_checkdisplaymetrics(L, 1);
+	lua_pushnumber(L, metrics->getScaledDensity());
+	return 1;
+}
+
+int w_getDensityDpi(lua_State *L)
+{
+	DisplayMetrics *metrics = luax_checkdisplaymetrics(L, 1);
+	lua_pushnumber(L, metrics->getDensityDpi());
+	return 1;
+}
+
+int w_getWidthPixels(lua_State *L)
+{
+	DisplayMetrics *metrics = luax_checkdisplaymetrics(L, 1);
+	lua_pushnumber(L, metrics->getWidthPixels());
+	return 1;
+}
+
+int w_getHeightPixels(lua_State *L)
+{
+	DisplayMetrics *metrics = luax_checkdisplaymetrics(L, 1);
+	lua_pushnumber(L, metrics->getHeightPixels());
+	return 1;
+}
+
+int w_getXdpi(lua_State *L)
+{
+	DisplayMetrics *metrics = luax_checkdisplaymetrics(L, 1);
+	lua_pushnumber(L, metrics->getXdpi());
+	return 1;
+}
+
+int w_getYdpi(lua_State *L)
+{
+	DisplayMetrics *metrics = luax_checkdisplaymetrics(L, 1);
+	lua_pushnumber(L, metrics->getYdpi());
+	return 1;
+}
+
+static const luaL_Reg functions[] =
+{
+	{ "getDensity", w_getDensity },
+	{ "getScaledDensity", w_getScaledDensity },
+	{ "getDensityDpi", w_getDensityDpi },
+	{ "getWidthPixels", w_getWidthPixels },
+	{ "getHeightPixels", w_getHeightPixels },
+	{ "getXdpi", w_getXdpi },
+	{ "getYdpi", w_getYdpi },
+	{ 0, 0 },
+};
+
+extern "C" int luaopen_displaymetrics(lua_State *L)
+{
+	return luax_register_type(L, "DisplayMetrics", functions);
+}
+
+} // android
+} // love