diff --git a/Makefile b/Makefile
index 7028aca..c2fc0b0 100644
--- a/Makefile
+++ b/Makefile
@@ -4,6 +4,7 @@
 # Source Lists
 SRC = \
 	src/SDL2.cs \
+	src/SDL2_gfx.cs \
 	src/SDL2_image.cs \
 	src/SDL2_mixer.cs \
 	src/SDL2_ttf.cs
diff --git a/SDL2-CS.Core.csproj b/SDL2-CS.Core.csproj
index 0d7a856..03319e2 100644
--- a/SDL2-CS.Core.csproj
+++ b/SDL2-CS.Core.csproj
@@ -20,6 +20,7 @@
 	</Target>	
 	<ItemGroup>
 		<Compile Include="src\SDL2.cs" />
+		<Compile Include="src\SDL2_gfx.cs" />
 		<Compile Include="src\SDL2_image.cs" />
 		<Compile Include="src\SDL2_mixer.cs" />
 		<Compile Include="src\SDL2_ttf.cs" />
diff --git a/SDL2-CS.csproj b/SDL2-CS.csproj
index 3575229..87c515d 100644
--- a/SDL2-CS.csproj
+++ b/SDL2-CS.csproj
@@ -85,6 +85,7 @@
   </Target>
   <ItemGroup>
     <Compile Include="src\SDL2.cs" />
+    <Compile Include="src\SDL2_gfx.cs" />
     <Compile Include="src\SDL2_image.cs" />
     <Compile Include="src\SDL2_mixer.cs" />
     <Compile Include="src\SDL2_ttf.cs" />
diff --git a/src/SDL2_gfx.cs b/src/SDL2_gfx.cs
new file mode 100644
index 0000000..464606b
--- /dev/null
+++ b/src/SDL2_gfx.cs
@@ -0,0 +1,362 @@
+#region Using Statements
+using System;
+using System.Runtime.InteropServices;
+#endregion
+
+namespace SDL2
+{
+    public static class SDL_gfx
+    {
+        #region SDL2# Variables
+
+        /* Used by DllImport to load the native library. */
+        private const string nativeLibName = "SDL2_gfx";
+
+        #endregion
+        
+        public const double M_PI = 3.1415926535897932384626433832795;
+        
+        #region SDL2_gfxPrimitives.h
+        
+        public const uint SDL2_GFXPRIMITIVES_MAJOR = 1;
+        public const uint SDL2_GFXPRIMITIVES_MINOR = 0;
+        public const uint SDL2_GFXPRIMITIVES_MICRO = 1;
+
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int pixelColor(IntPtr renderer, short x, short y, uint color);
+
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int pixelRGBA(IntPtr renderer, short x, short y, byte r, byte g, byte b, byte a);
+
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int hlineColor(IntPtr renderer, short x1, short x2, short y, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int hlineRGBA(IntPtr renderer, short x1, short x2, short y, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int vlineColor(IntPtr renderer, short x, short y1, short y2, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int vlineRGBA(IntPtr renderer, short x, short y1, short y2, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int rectangleColor(IntPtr renderer, short x1, short y1, short x2, short y2, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int rectangleRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, byte r, byte g, byte b, byte a);
+
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int roundedRectangleColor(IntPtr renderer, short x1, short y1, short x2, short y2, short rad, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int roundedRectangleRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, short rad, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int boxColor(IntPtr renderer, short x1, short y1, short x2, short y2, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int boxRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int roundedBoxColor(IntPtr renderer, short x1, short y1, short x2, short y2, short rad, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int roundedBoxRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, short rad, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int lineColor(IntPtr renderer, short x1, short y1, short x2, short y2, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int lineRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int aalineColor(IntPtr renderer, short x1, short y1, short x2, short y2, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int aalineRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int thickLineColor(IntPtr renderer, short x1, short y1, short x2, short y2, byte width, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int thickLineRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, byte width, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int circleColor(IntPtr renderer, short x, short y, short rad, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int circleRGBA(IntPtr renderer, short x, short y, short rad, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int arcColor(IntPtr renderer, short x, short y, short rad, short start, short end, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int arcRGBA(IntPtr renderer, short x, short y, short rad, short start, short end, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int aacircleColor(IntPtr renderer, short x, short y, short rad, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int aacircleRGBA(IntPtr renderer, short x, short y, short rad, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int filledCircleColor(IntPtr renderer, short x, short y, short rad, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int filledCircleRGBA(IntPtr renderer, short x, short y, short rad, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int ellipseColor(IntPtr renderer, short x, short y, short rx, short ry, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int ellipseRGBA(IntPtr renderer, short x, short y, short rx, short ry, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int aaellipseColor(IntPtr renderer, short x, short y, short rx, short ry, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int aaellipseRGBA(IntPtr renderer, short x, short y, short rx, short ry, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int filledEllipseColor(IntPtr renderer, short x, short y, short rx, short ry, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int filledEllipseRGBA(IntPtr renderer, short x, short y, short rx, short ry, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int pieColor(IntPtr renderer, short x, short y, short rad, short start, short end, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int pieRGBA(IntPtr renderer, short x, short y, short rad, short start, short end, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int filledPieColor(IntPtr renderer, short x, short y, short rad, short start, short end, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int filledPieRGBA(IntPtr renderer, short x, short y, short rad, short start, short end, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int trigonColor(IntPtr renderer, short x1, short y1, short x2, short y2, short x3, short y3, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int trigonRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, short x3, short y3, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int aatrigonColor(IntPtr renderer, short x1, short y1, short x2, short y2, short x3, short y3, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int aatrigonRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, short x3, short y3, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int filledTrigonColor(IntPtr renderer, short x1, short y1, short x2, short y2, short x3, short y3, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int filledTrigonRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, short x3, short y3, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int polygonColor(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int polygonRGBA(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int aapolygonColor(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int aapolygonRGBA(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int filledPolygonColor(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int filledPolygonRGBA(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int texturedPolygon(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, IntPtr texture, int texture_dx, int texture_dy);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int bezierColor(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, int s, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int bezierRGBA(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, int s, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern void gfxPrimitivesSetFont([In] byte[] fontdata, uint cw, uint ch);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern void gfxPrimitivesSetFontRotation(uint rotation);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int characterColor(IntPtr renderer, short x, short y, char c, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int characterRGBA(IntPtr renderer, short x, short y, char c, byte r, byte g, byte b, byte a);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int stringColor(IntPtr renderer, short x, short y, string s, uint color);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int stringRGBA(IntPtr renderer, short x, short y, string s, byte r, byte g, byte b, byte a);
+
+        #endregion
+
+        #region SDL2_rotozoom.h
+
+        public const int SMOOTHING_OFF = 0;
+        public const int SMOOTHING_ON = 1;
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern IntPtr rotozoomSurface(IntPtr src, double angle, double zoom, int smooth);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern IntPtr rotozoomSurfaceXY(IntPtr src, double angle, double zoomx, double zoomy, int smooth);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern void rotozoomSurfaceSize(int width, int height, double angle, double zoom, out int dstwidth, out int dstheight);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern void rotozoomSurfaceSizeXY(int width, int height, double angle, double zoomx, double zoomy, out int dstwidth, out int dstheight);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern IntPtr zoomSurface(IntPtr src, double zoomx, double zoomy, int smooth);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern void zoomSurfaceSize(int width, int height, double zoomx, double zoomy, out int dstwidth, out int dstheight);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern IntPtr shrinkSurface(IntPtr src, int factorx, int factory);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern IntPtr rotateSurface90Degrees(IntPtr src, int numClockwiseTurns);
+
+        #endregion
+
+        #region SDL2_framerate.h
+
+        public const int FPS_UPPER_LIMIT = 200;
+        public const int FPS_LOWER_LIMIT = 1;
+        public const int FPS_DEFAULT = 30;
+        
+        [StructLayout(LayoutKind.Sequential)]
+        public struct FPSmanager
+        {
+            public uint framecount;
+            public float rateticks;
+            public uint baseticks;
+            public uint lastticks;
+            public uint rate;
+        }
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern void SDL_initFramerate(ref FPSmanager manager);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_setFramerate(ref FPSmanager manager, uint rate);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_getFramerate(ref FPSmanager manager);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_getFramecount(ref FPSmanager manager);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern uint SDL_framerateDelay(ref FPSmanager manager);
+
+        #endregion
+
+        #region SDL2_imageFilter.h
+
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterMMXdetect();
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern void SDL_imageFilterMMXoff();
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern void SDL_imageFilterMMXon();
+
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterAdd([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterMean([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterSub([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterAbsDiff([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterMult([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterMultNor([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterMultDivby2([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterMultDivby4([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterBitAnd([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterBitOr([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterDiv([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterBitNegation([In] byte[] src1, [Out] byte[] dest, uint length);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterAddByte([In] byte[] src1, [Out] byte[] dest, uint length, byte c);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterAddUint([In] byte[] src1, [Out] byte[] dest, uint length, uint c);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterAddByteToHalf([In] byte[] src1, [Out] byte[] dest, uint length, byte c);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterSubByte([In] byte[] src1, [Out] byte[] dest, uint length, byte c);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterSubUint([In] byte[] src1, [Out] byte[] dest, uint length, uint c);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterShiftRight([In] byte[] src1, [Out] byte[] dest, uint length, byte n);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterShiftRightUint([In] byte[] src1, [Out] byte[] dest, uint length, byte n);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterMultByByte([In] byte[] src1, [Out] byte[] dest, uint length, byte c);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterShiftRightAndMultByByte([In] byte[] src1, [Out] byte[] dest, uint length, byte n, byte c);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterShiftLeftByte([In] byte[] src1, [Out] byte[] dest, uint length, byte n);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterShiftLeftUint([In] byte[] src1, [Out] byte[] dest, uint length, byte n);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterShiftLeft([In] byte[] src1, [Out] byte[] dest, uint length, byte n);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterBinarizeUsingThreshold([In] byte[] src1, [Out] byte[] dest, uint length, byte t);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterClipToRange([In] byte[] src1, [Out] byte[] dest, uint length, byte tmin, byte tmax);
+        
+        [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SDL_imageFilterNormalizeLinear([In] byte[] src1, [Out] byte[] dest, uint length, int cmin, int cmax, int nmin, int nmax);
+
+        #endregion
+    }
+}
\ No newline at end of file