Switched Image filter modes to use the new string constant system

src/modules/graphics/Image.cpp

@@ -0,0 +1,50 @@
+/**
+ * Copyright (c) 2006-2010 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 "Image.h"
+
+namespace love
+{
+namespace graphics
+{
+	Image::~Image()
+	{
+	}
+	
+	bool Image::getConstant(const char * in, FilterMode & out)
+	{
+		return filterModes.find(in, out);
+	}
+	
+	bool Image::getConstant(FilterMode in, const char *& out)
+	{
+		return filterModes.find(in, out);
+	}
+	
+	StringMap<Image::FilterMode, Image::FILTER_MAX_ENUM>::Entry Image::filterModeEntries[] = 
+	{
+		{ "linear", Image::FILTER_LINEAR },
+		{ "nearest", Image::FILTER_NEAREST },
+	};
+	
+	StringMap<Image::FilterMode, Image::FILTER_MAX_ENUM> Image::filterModes(Image::filterModeEntries, sizeof(Image::filterModeEntries));
+	
+} // graphics
+} // love

src/modules/graphics/Image.h

@@ -1,21 +1,21 @@
-/**
-* Copyright (c) 2006-2010 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.
+/**
+* Copyright (c) 2006-2010 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.
 **/
 
 #ifndef LOVE_GRAPHICS_IMAGE_H
@@ -24,6 +24,7 @@
 // LOVE
 #include <graphics/Volatile.h>
 #include <graphics/Drawable.h>
+#include <common/StringMap.h>
 
 namespace love
 {
@@ -42,8 +43,9 @@ namespace graphics
 
 		enum FilterMode
 		{
-			FILTER_LINEAR,
-			FILTER_NEAREST
+			FILTER_LINEAR = 1,
+			FILTER_NEAREST,
+			FILTER_MAX_ENUM
 		};
 
 		struct Filter
@@ -58,7 +60,15 @@ namespace graphics
 			WrapMode t;
 		};
 
-		virtual ~Image(){};
+		virtual ~Image();
+		
+		static bool getConstant(const char * in, FilterMode & out);
+		static bool getConstant(FilterMode in, const char *& out);
+		
+	private:
+		
+		static StringMap<FilterMode, FILTER_MAX_ENUM>::Entry filterModeEntries[];
+		static StringMap<FilterMode, FILTER_MAX_ENUM> filterModes;
 
 	}; // Image
 	

src/modules/graphics/opengl/Image.cpp

@@ -133,6 +133,8 @@ namespace opengl
 		case FILTER_NEAREST:
 			gmin = GL_NEAREST;
 			break;
+		default:
+			break;
 		}
 
 		switch(f.mag)
@@ -143,6 +145,8 @@ namespace opengl
 		case FILTER_NEAREST:
 			gmag = GL_NEAREST;
 			break;
+		default:
+			break;
 		}
 
 		bind();

src/modules/graphics/opengl/wrap_Image.cpp

@@ -48,10 +48,19 @@ namespace opengl
 
 	int w_Image_setFilter(lua_State * L)
 	{
-		Image * t = luax_checkimage(L, 1); 
+		Image * t = luax_checkimage(L, 1);
 		Image::Filter f;
-		f.min = (Image::FilterMode)luaL_checkint(L, 2);
-		f.mag = (Image::FilterMode)luaL_checkint(L, 3);
+		Image::FilterMode min;
+		Image::FilterMode mag;
+		const char * minstr = luaL_checkstring(L, 2);
+		const char * magstr = luaL_checkstring(L, 3);
+		if (!Image::getConstant(minstr, min))
+			return luaL_error(L, "Invalid filter mode: %s", minstr);
+		if (!Image::getConstant(magstr, mag))
+			return luaL_error(L, "Invalid filter mode: %s", magstr);
+		
+		f.min = min;
+		f.mag = mag;
 		t->setFilter(f);
 		return 0;
 	}
@@ -60,8 +69,16 @@ namespace opengl
 	{
 		Image * t = luax_checkimage(L, 1); 
 		Image::Filter f = t->getFilter();
-		lua_pushinteger(L, f.min);
-		lua_pushinteger(L, f.mag);
+		Image::FilterMode min = f.min;
+		Image::FilterMode mag = f.mag;
+		const char * minstr;
+		const char * magstr;
+		if (!Image::getConstant(min, minstr))
+			return luaL_error(L, "Invalid filter mode: %s", minstr);
+		if (!Image::getConstant(mag, magstr))
+			return luaL_error(L, "Invalid filter mode: %s", magstr);
+		lua_pushstring(L, minstr);
+		lua_pushstring(L, magstr);
 		return 2;
 	}