/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2016-2020 SDL2 VAPI Authors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * Authors:
 *  Mario Daniel Ruiz Saavedra <desiderantes93@gmail.com>
 *  Gontzal Uriarte <txasatonga@gmail.com>
 *  Pedro H. Lara Campos <root@pedrohlc.com>
 */

namespace SDLGraphics {
	[CCode (cheader_filename = "SDL2/SDL2_gfxPrimitives.h")]
	namespace Pixel {
		[CCode (cname = "pixelColor")]
		public static int color (SDL.Video.Renderer dst, int16 x, int16 y, uint32 color);

		[CCode (cname = "pixelRGBA")]
		public static int rgba (SDL.Video.Renderer dst, int16 x, int16 y,
			uchar r, uchar g, uchar b, uchar a);
	}// Pixel

	[CCode (cheader_filename = "SDL2/SDL2_gfxPrimitives.h")]
	namespace Line {
		[CCode (cname = "hlineColor")]
		public static int color_h (SDL.Video.Renderer dst, int16 x1, int16 x2,
			int16 y, uint32 color);

		[CCode (cname = "hlineRGBA")]
		public static int rgba_h (SDL.Video.Renderer dst, int16 x1, int16 x2,
			int16 y, uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "vlineColor")]
		public static int color_v (SDL.Video.Renderer dst, int16 x, int16 y1,
			int16 y2, uint32 color);

		[CCode (cname = "vlineRGBA")]
		public static int rgba_v (SDL.Video.Renderer dst, int16 x, int16 y1,
			int16 y2, uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "lineColor")]
		public static int color (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, uint32 color);

		[CCode (cname = "lineRGBA")]
		public static int rgba (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "aalineColor")]
		public static int color_aa (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, uint32 color);

		[CCode (cname = "aalineRGBA")]
		public static int rgba_aa (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, uchar r, uchar g, uchar b, uchar a);
	}// Line

	[CCode (cheader_filename = "SDL2/SDL2_gfxPrimitives.h")]
	namespace Rectangle {
		[CCode (cname = "rectangleColor")]
		public static int outline_color (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, uint32 color);

		[CCode (cname = "rectangleRGBA")]
		public static int outline_rgba (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "roundedRectangleColor")]
		public static int rounded_outline_color (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, int16 rad, uint32 color);

		[CCode (cname = "roundedRectangleRGBA")]
		public static int rounded_outline_rgba (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, int16 rad, uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "boxColor")]
		public static int fill_color (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, uint32 color);

		[CCode (cname = "boxRGBA")]
		public static int fill_rgba (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "roundedBoxColor")]
		public static int rounded_fill_color (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, int16 rad, uint32 color);

		[CCode (cname = "roundedBoxRGBA")]
		public static int rounded_fill_rgba (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, int16 rad, uchar r, uchar g, uchar b, uchar a);
	}// Rectangle

	[CCode (cheader_filename = "SDL2/SDL2_gfxPrimitives.h")]
	namespace Circle {
		[CCode (cname = "circleColor")]
		public static int outline_color (SDL.Video.Renderer dst, int16 x, int16 y,
			int16 radius, uint32 color);

		[CCode (cname = "circleRGBA")]
		public static int outline_rgba (SDL.Video.Renderer dst, int16 x, int16 y, int16 radius,
			uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "aacircleColor")]
		public static int outline_color_aa (SDL.Video.Renderer dst, int16 x, int16 y,
			int16 radius, uint32 color);

		[CCode (cname = "aacircleRGBA")]
		public static int outline_rgba_aa (SDL.Video.Renderer dst, int16 x, int16 y, int16 radius,
			uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "filledCircleColor")]
		public static int fill_color (SDL.Video.Renderer dst, int16 x, int16 y,
			int16 radius, uint32 color);

		[CCode (cname = "filledCircleRGBA")]
		public static int fill_rgba (SDL.Video.Renderer dst, int16 x, int16 y, int16 radius,
			uchar r, uchar g, uchar b, uchar a);
	}// Circle

	[CCode (cheader_filename = "SDL2/SDL2_gfxPrimitives.h")]
	namespace Ellipse {
		[CCode (cname = "ellipseColor")]
		public static int outline_color (SDL.Video.Renderer dst, int16 xc, int16 yc,
			int16 rx, int16 ry, uint32 color);

		[CCode (cname = "ellipseRGBA")]
		public static int outline_rgba (SDL.Video.Renderer dst, int16 xc, int16 yc,
			int16 rx, int16 ry, uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "aaellipseColor")]
		public static int outline_color_aa (SDL.Video.Renderer dst, int16 xc, int16 yc,
			int16 rx, int16 ry, uint32 color);

		[CCode (cname = "aaellipseRGBA")]
		public static int outline_rgba_aa (SDL.Video.Renderer dst, int16 xc, int16 yc,
			int16 rx, int16 ry, uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "filledEllipseColor")]
		public static int fill_color (SDL.Video.Renderer dst, int16 xc, int16 yc,
			int16 rx, int16 ry, uint32 color);

		[CCode (cname = "filledEllipseRGBA")]
		public static int fill_rgba (SDL.Video.Renderer dst, int16 xc, int16 yc,
			int16 rx, int16 ry, uchar r, uchar g, uchar b, uchar a);
	}// Ellipse

	[CCode (cheader_filename = "SDL2/SDL2_gfxPrimitives.h")]
	namespace Arc {
		[CCode (cname = "pieColor")]
		public static int outline_color (SDL.Video.Renderer dst, int16 x, int16 y, int16 radius,
			int16 start, int16 end, uint32 color);

		[CCode (cname = "pieRGBA")]
		public static int outline_rgba (SDL.Video.Renderer dst, int16 x, int16 y, int16 radius,
			int16 start, int16 end, uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "filledPieColor")]
		public static int fill_color (SDL.Video.Renderer dst, int16 x, int16 y, int16 radius,
			int16 start, int16 end, uint32 color);

		[CCode (cname = "filledPieRGBA")]
		public static int fill_rgba (SDL.Video.Renderer dst, int16 x, int16 y, int16 radius,
			int16 start, int16 end, uchar r, uchar g, uchar b, uchar a);
	}// Arc

	[CCode (cheader_filename = "SDL2/SDL2_gfxPrimitives.h")]
	namespace Trigon {
		[CCode (cname = "trigonColor")]
		public static int outline_color (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, int16 x3, int16 y3, uint32 color);

		[CCode (cname = "trigonRGBA")]
		public static int outline_rgba (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, int16 x3, int16 y3,
			uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "aatrigonColor")]
		public static int outline_color_aa (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, int16 x3, int16 y3, uint32 color);

		[CCode (cname = "aatrigonRGBA")]
		public static int outline_rgba_aa (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, int16 x3, int16 y3,
			uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "filledTrigonColor")]
		public static int fill_color (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, int16 x3, int16 y3, uint32 color);

		[CCode (cname = "filledTrigonRGBA")]
		public static int fill_rgba (SDL.Video.Renderer dst, int16 x1, int16 y1,
			int16 x2, int16 y2, int16 x3, int16 y3,
			uchar r, uchar g, uchar b, uchar a);
	}// Trigon

	[CCode (cheader_filename = "SDL2/SDL2_gfxPrimitives.h")]
	namespace Polygon {
		[CCode (cname = "polygonColor")]
		public static int outline_color (SDL.Video.Renderer dst, [CCode (array_length = false)] int16[] vx, [CCode (array_length = false)] int16[] vy,
			int n, uint32 color);

		[CCode (cname = "polygonRGBA")]
		public static int outline_rgba (SDL.Video.Renderer dst, [CCode (array_length = false)] int16[] vx, [CCode (array_length = false)] int16[] vy,
			int n, uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "aapolygonColor")]
		public static int outline_color_aa (SDL.Video.Renderer dst, [CCode (array_length = false)] int16[] vx, [CCode (array_length = false)] int16[] vy,
			int n, uint32 color);

		[CCode (cname = "aapolygonRGBA")]
		public static int outline_rgba_aa (SDL.Video.Renderer dst, [CCode (array_length = false)] int16[] vx, [CCode (array_length = false)] int16[] vy,
			int n, uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "filledPolygonColor")]
		public static int fill_color (SDL.Video.Renderer dst, [CCode (array_length = false)] int16[] vx, [CCode (array_length = false)] int16[] vy,
			int n, uint32 color);

		[CCode (cname = "filledPolygonRGBA")]
		public static int fill_rgba (SDL.Video.Renderer dst, [CCode (array_length = false)] int16[] vx, [CCode (array_length = false)] int16[] vy,
			int n, uchar r, uchar g, uchar b, uchar a);
	}// Polygon

	[CCode (cheader_filename = "SDL2/SDL2_gfxPrimitives.h")]
	namespace BezierCurve {
		[CCode (cname = "bezierColor")]
		public static int color (SDL.Video.Renderer dst, [CCode (array_length = false)] int16[] vx, [CCode (array_length = false)] int16[] vy,
			int vertices, int steps, uint32 color);

		[CCode (cname = "bezierRGBA")]
		public static int rgba (SDL.Video.Renderer dst, [CCode (array_length = false)] int16[] vx, [CCode (array_length = false)] int16[] vy,
			int vertices, int steps, uchar r, uchar g, uchar b, uchar a);
	}// BezierCurve

	[CCode (cheader_filename = "SDL2/SDL2_gfxPrimitives.h")]
	namespace Text {
		[CCode (cname = "stringColor")]
		public static int color (SDL.Video.Renderer dst, int16 x, int16 y, string s, uint32 color);

		[CCode (cname = "stringRGBA")]
		public static int rgba (SDL.Video.Renderer dst, int16 x, int16 y, string s,
			uchar r, uchar g, uchar b, uchar a);

		[CCode (cname = "gfxPrimitivesSetFont")]
		public static int set_font (void* fontdata, int cw, int ch);
	}// Text

	[CCode (cheader_filename = "SDL2/SDL2_rotozoom.h")]
	namespace RotoZoom {
		[CCode (cname = "rotozoomSurface")]
		public static SDL.Video.Surface rotozoom (SDL.Video.Surface src, double degrees,
			double zoom, int smooth);

		[CCode (cname = "rotozoomSurfaceXY")]
		public static SDL.Video.Surface rotozoom_xy (SDL.Video.Surface src, double degrees,
			double zoomx, double zoomy, int smooth);

		[CCode (cname = "rotozoomSurfaceSize")]
		public static void rotozoom_size (int width, int height, double degrees,
			double zoom, ref int dstwidth, ref int dstheight);

		[CCode (cname = "rotozoomSurfaceSizeXY")]
		public static void rotozoom_size_xy (int width, int height, double degrees,
			double zoomx, double zoomy, ref int dstwidth, ref int dstheight);

		[CCode (cname = "zoomSurface")]
		public static SDL.Video.Surface zoom (SDL.Video.Surface src, double zoomx,
			double zoomy, int smooth);

		[CCode (cname = "zoomSurfaceSize")]
		public static void zoom_size (int width, int height, double zoomx,
			double zoomy, ref int dstwidth, ref int dstheight);
	}// RotoZoom

	[CCode (cheader_filename = "SDL2/SDL2_framerate.h", cname = "FPSmanager", free_function = "g_free")]
	[Compact]
	public struct FramerateManager {
		uint32 framecount;
		float rateticks;
		uint32 baseticks;
		uint32 lastticks;
		uint32 rate;

		[CCode (cname = "SDL_initFramerate")]
		public void init ();

		[CCode (cname = "SDL_setFramerate")]
		public int set_rate (int rate);

		[CCode (cname = "SDL_getFramerate")]
		public int get_rate ();

		[CCode (cname = "SDL_getFramecount")]
		public int get_count ();

		[CCode (cname = "SDL_framerateDelay")]
		public void run ();
	}// FramerateManager

	[CCode (cheader_filename = "SDL2/SDL2_imageFilter.h")]
	namespace Filter {
		[CCode (cname = "SDL_imageFilterMMXdetect")]
		public static int have_mmx ();

		[CCode (cname = "SDL_imageFilterMMXon")]
		public static void enable_mmx ();

		[CCode (cname = "SDL_imageFilterMMXoff")]
		public static void disable_mmx ();

		[CCode (cname = "SDL_imageFilterAdd")]
		public static int add ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] src2, [CCode (array_length = false)] uchar[] dst, int length);

		[CCode (cname = "SDL_imageFilterMean")]
		public static int mean ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] src2, [CCode (array_length = false)] uchar[] dst, int length);

		[CCode (cname = "SDL_imageFilterSub")]
		public static int subtract ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] src2, [CCode (array_length = false)] uchar[] dst, int length);

		[CCode (cname = "SDL_imageFilterAbsDiff")]
		public static int absolute_difference ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] src2, [CCode (array_length = false)] uchar[] dst, int length);

		[CCode (cname = "SDL_imageFilterMult")]
		public static int multiply ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] src2, [CCode (array_length = false)] uchar[] dst, int length);

		[CCode (cname = "SDL_imageFilterMultNor")]
		public static int multiply_normalized ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] src2, [CCode (array_length = false)] uchar[] dst, int length);

		[CCode (cname = "SDL_imageFilterMultDivby2")]
		public static int multiply_half ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] src2, [CCode (array_length = false)] uchar[] dst, int length);

		[CCode (cname = "SDL_imageFilterMultDivby4")]
		public static int multiply_quarter ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] src2, [CCode (array_length = false)] uchar[] dst, int length);

		[CCode (cname = "SDL_imageFilterBitAnd")]
		public static int and ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] src2, [CCode (array_length = false)] uchar[] dst, int length);

		[CCode (cname = "SDL_imageFilterBitOr")]
		public static int or ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] src2, [CCode (array_length = false)] uchar[] dst, int length);

		[CCode (cname = "SDL_imageFilterDiv")]
		public static int divide ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] src2, [CCode (array_length = false)] uchar[] dst, int length);

		[CCode (cname = "SDL_imageFilterBitNegation")]
		public static int negate ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length);

		[CCode (cname = "SDL_imageFilterAddByte")]
		public static int add_uchar ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, uchar addend);

		[CCode (cname = "SDL_imageFilterAddUint")]
		public static int add_uint ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, uint addend);

		[CCode (cname = "SDL_imageFilterAddByteToHalf")]
		public static int halve_add_uchar ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, uchar addend);

		[CCode (cname = "SDL_imageFilterSubByte")]
		public static int subtract_uchar ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, uchar subtrahend);

		[CCode (cname = "SDL_imageFilterSubUint")]
		public static int subtract_uint ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, uint subtrahend);

		[CCode (cname = "SDL_imageFilterShiftRight")]
		public static int shift_right_uchar ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, uchar shiftcount);

		[CCode (cname = "SDL_imageFilterShiftRightUint")]
		public static int shift_right_uint ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, uint shiftcount);

		[CCode (cname = "SDL_imageFilterMultByByte")]
		public static int multiply_uchar ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, uchar multiplicand);

		[CCode (cname = "SDL_imageFilterShiftRightAndMultByByte")]
		public static int shift_right_multiply_uchar ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, uchar shiftcount, uchar multiplicand);

		[CCode (cname = "SDL_imageFilterShiftLeftByte")]
		public static int shift_left_uchar ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, uchar shiftcount);

		[CCode (cname = "SDL_imageFilterShiftLeftUint")]
		public static int shift_left_uint ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, uint shiftcount);

		[CCode (cname = "SDL_imageFilterBinarizeUsingThreshold")]
		public static int binarize ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, uchar threshold);

		[CCode (cname = "SDL_imageFilterClipToRange")]
		public static int clip ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, uchar min, uchar max);

		[CCode (cname = "SDL_imageFilterNormalizeLinear")]
		public static int normalize_linear ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int length, int cmin, int cmax, int nmin, int nmax);

		[CCode (cname = "SDL_imageFilterConvolveKernel3x3Divide")]
		public static int convolve_3x3_divide ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int rows, int columns, [CCode (array_length = false)] int16[] kernel, uchar divisor);

		[CCode (cname = "SDL_imageFilterConvolveKernel5x5Divide")]
		public static int convolve_5x5_divide ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int rows, int columns, [CCode (array_length = false)] int16[] kernel, uchar divisor);

		[CCode (cname = "SDL_imageFilterConvolveKernel7x7Divide")]
		public static int convolve_7x7_divide ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int rows, int columns, [CCode (array_length = false)] int16[] kernel, uchar divisor);

		[CCode (cname = "SDL_imageFilterConvolveKernel9x9Divide")]
		public static int convolve_9x9_divide ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int rows, int columns, [CCode (array_length = false)] int16[] kernel, uchar divisor);

		[CCode (cname = "SDL_imageFilterConvolveKernel3x3ShiftRight")]
		public static int convolve_3x3_shift ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int rows, int columns, [CCode (array_length = false)] int16[] kernel, uchar shiftcount);

		[CCode (cname = "SDL_imageFilterConvolveKernel5x5ShiftRight")]
		public static int convolve_5x5_shift ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int rows, int columns, [CCode (array_length = false)] int16[] kernel, uchar shiftcount);

		[CCode (cname = "SDL_imageFilterConvolveKernel7x7ShiftRight")]
		public static int convolve_7x7_shift ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int rows, int columns, [CCode (array_length = false)] int16[] kernel, uchar shiftcount);

		[CCode (cname = "SDL_imageFilterConvolveKernel9x9ShiftRight")]
		public static int convolve_9x9_shift ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int rows, int columns, [CCode (array_length = false)] int16[] kernel, uchar shiftcount);

		[CCode (cname = "SDL_imageFilterSobelX")]
		public static int sobel ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int rows, int columns);

		[CCode (cname = "SDL_imageFilterSobelXShiftRight")]
		public static int sobel_shift ([CCode (array_length = false)] uchar[] src1, [CCode (array_length = false)] uchar[] dst, int rows, int columns, uchar shiftcount);
	}// Filter
}// SDLGraphics