SDL2_gfx

---

Description:

Provides the basic drawing functions such as lines, circles or polygons provided by SDL_gfx on SDL2 against renderers of SDL2.

• Home: http://www.ferzkopp.net/wordpress/2016/01/02/sdl_gfx-sdl2_gfx/
• C-Documentation: https://www.ferzkopp.net/Software/SDL2_gfx/Docs/html/index.html

Content:

Namespaces:

• SDLGraphics

Structs:

• FramerateManager
• Arc

Methods:

• public int fill_color (Renderer dst, int16 x, int16 y, int16 radius, int16 start, int16 end, uint32 color)
• public int fill_rgba (Renderer dst, int16 x, int16 y, int16 radius, int16 start, int16 end, uchar r, uchar g, uchar b, uchar a)
• public int outline_color (Renderer dst, int16 x, int16 y, int16 radius, int16 start, int16 end, uint32 color)
• public int outline_rgba (Renderer dst, int16 x, int16 y, int16 radius, int16 start, int16 end, uchar r, uchar g, uchar b, uchar a)
• BezierCurve

Methods:

• public int color (Renderer dst, int16[] vx, int16[] vy, int vertices, int steps, uint32 color)
• public int rgba (Renderer dst, int16[] vx, int16[] vy, int vertices, int steps, uchar r, uchar g, uchar b, uchar a)
• Circle

Methods:

• public int fill_color (Renderer dst, int16 x, int16 y, int16 radius, uint32 color)
• public int fill_rgba (Renderer dst, int16 x, int16 y, int16 radius, uchar r, uchar g, uchar b, uchar a)
• public int outline_color (Renderer dst, int16 x, int16 y, int16 radius, uint32 color)
• public int outline_color_aa (Renderer dst, int16 x, int16 y, int16 radius, uint32 color)
• public int outline_rgba (Renderer dst, int16 x, int16 y, int16 radius, uchar r, uchar g, uchar b, uchar a)
• public int outline_rgba_aa (Renderer dst, int16 x, int16 y, int16 radius, uchar r, uchar g, uchar b, uchar a)
• Ellipse

Methods:

• public int fill_color (Renderer dst, int16 xc, int16 yc, int16 rx, int16 ry, uint32 color)
• public int fill_rgba (Renderer dst, int16 xc, int16 yc, int16 rx, int16 ry, uchar r, uchar g, uchar b, uchar a)
• public int outline_color (Renderer dst, int16 xc, int16 yc, int16 rx, int16 ry, uint32 color)
• public int outline_color_aa (Renderer dst, int16 xc, int16 yc, int16 rx, int16 ry, uint32 color)
• public int outline_rgba (Renderer dst, int16 xc, int16 yc, int16 rx, int16 ry, uchar r, uchar g, uchar b, uchar a)
• public int outline_rgba_aa (Renderer dst, int16 xc, int16 yc, int16 rx, int16 ry, uchar r, uchar g, uchar b, uchar a)
• Filter

Methods:

• public int absolute_difference (uchar[] src1, uchar[] src2, uchar[] dst, int length)
• public int add (uchar[] src1, uchar[] src2, uchar[] dst, int length)
• public int add_uchar (uchar[] src1, uchar[] dst, int length, uchar addend)
• public int add_uint (uchar[] src1, uchar[] dst, int length, uint addend)
• public int and (uchar[] src1, uchar[] src2, uchar[] dst, int length)
• public int binarize (uchar[] src1, uchar[] dst, int length, uchar threshold)
• public int clip (uchar[] src1, uchar[] dst, int length, uchar min, uchar max)
• public int convolve_3x3_divide (uchar[] src1, uchar[] dst, int rows, int columns, int16[] kernel, uchar divisor)
• public int convolve_3x3_shift (uchar[] src1, uchar[] dst, int rows, int columns, int16[] kernel, uchar shiftcount)
• public int convolve_5x5_divide (uchar[] src1, uchar[] dst, int rows, int columns, int16[] kernel, uchar divisor)
• public int convolve_5x5_shift (uchar[] src1, uchar[] dst, int rows, int columns, int16[] kernel, uchar shiftcount)
• public int convolve_7x7_divide (uchar[] src1, uchar[] dst, int rows, int columns, int16[] kernel, uchar divisor)
• public int convolve_7x7_shift (uchar[] src1, uchar[] dst, int rows, int columns, int16[] kernel, uchar shiftcount)
• public int convolve_9x9_divide (uchar[] src1, uchar[] dst, int rows, int columns, int16[] kernel, uchar divisor)
• public int convolve_9x9_shift (uchar[] src1, uchar[] dst, int rows, int columns, int16[] kernel, uchar shiftcount)
• public void disable_mmx ()
• public int divide (uchar[] src1, uchar[] src2, uchar[] dst, int length)
• public void enable_mmx ()
• public int halve_add_uchar (uchar[] src1, uchar[] dst, int length, uchar addend)
• public int have_mmx ()
• public int mean (uchar[] src1, uchar[] src2, uchar[] dst, int length)
• public int multiply (uchar[] src1, uchar[] src2, uchar[] dst, int length)
• public int multiply_half (uchar[] src1, uchar[] src2, uchar[] dst, int length)
• public int multiply_normalized (uchar[] src1, uchar[] src2, uchar[] dst, int length)
• public int multiply_quarter (uchar[] src1, uchar[] src2, uchar[] dst, int length)
• public int multiply_uchar (uchar[] src1, uchar[] dst, int length, uchar multiplicand)
• public int negate (uchar[] src1, uchar[] dst, int length)
• public int normalize_linear (uchar[] src1, uchar[] dst, int length, int cmin, int cmax, int nmin, int nmax)
• public int or (uchar[] src1, uchar[] src2, uchar[] dst, int length)
• public int shift_left_uchar (uchar[] src1, uchar[] dst, int length, uchar shiftcount)
• public int shift_left_uint (uchar[] src1, uchar[] dst, int length, uint shiftcount)
• public int shift_right_multiply_uchar (uchar[] src1, uchar[] dst, int length, uchar shiftcount, uchar multiplicand)
• public int shift_right_uchar (uchar[] src1, uchar[] dst, int length, uchar shiftcount)
• public int shift_right_uint (uchar[] src1, uchar[] dst, int length, uint shiftcount)
• public int sobel (uchar[] src1, uchar[] dst, int rows, int columns)
• public int sobel_shift (uchar[] src1, uchar[] dst, int rows, int columns, uchar shiftcount)
• public int subtract (uchar[] src1, uchar[] src2, uchar[] dst, int length)
• public int subtract_uchar (uchar[] src1, uchar[] dst, int length, uchar subtrahend)
• public int subtract_uint (uchar[] src1, uchar[] dst, int length, uint subtrahend)
• Line

Methods:

• public int color (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, uint32 color)
• public int color_aa (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, uint32 color)
• public int color_h (Renderer dst, int16 x1, int16 x2, int16 y, uint32 color)
• public int color_v (Renderer dst, int16 x, int16 y1, int16 y2, uint32 color)
• public int rgba (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, uchar r, uchar g, uchar b, uchar a)
• public int rgba_aa (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, uchar r, uchar g, uchar b, uchar a)
• public int rgba_h (Renderer dst, int16 x1, int16 x2, int16 y, uchar r, uchar g, uchar b, uchar a)
• public int rgba_v (Renderer dst, int16 x, int16 y1, int16 y2, uchar r, uchar g, uchar b, uchar a)
• Pixel

Methods:

• public int color (Renderer dst, int16 x, int16 y, uint32 color)
• public int rgba (Renderer dst, int16 x, int16 y, uchar r, uchar g, uchar b, uchar a)
• Polygon

Methods:

• public int fill_color (Renderer dst, int16[] vx, int16[] vy, int n, uint32 color)
• public int fill_rgba (Renderer dst, int16[] vx, int16[] vy, int n, uchar r, uchar g, uchar b, uchar a)
• public int outline_color (Renderer dst, int16[] vx, int16[] vy, int n, uint32 color)
• public int outline_color_aa (Renderer dst, int16[] vx, int16[] vy, int n, uint32 color)
• public int outline_rgba (Renderer dst, int16[] vx, int16[] vy, int n, uchar r, uchar g, uchar b, uchar a)
• public int outline_rgba_aa (Renderer dst, int16[] vx, int16[] vy, int n, uchar r, uchar g, uchar b, uchar a)
• Rectangle

Methods:

• public int fill_color (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, uint32 color)
• public int fill_rgba (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, uchar r, uchar g, uchar b, uchar a)
• public int outline_color (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, uint32 color)
• public int outline_rgba (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, uchar r, uchar g, uchar b, uchar a)
• public int rounded_fill_color (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, int16 rad, uint32 color)
• public int rounded_fill_rgba (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, int16 rad, uchar r, uchar g, uchar b, uchar a)
• public int rounded_outline_color (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, int16 rad, uint32 color)
• public int rounded_outline_rgba (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, int16 rad, uchar r, uchar g, uchar b, uchar a)
• RotoZoom

Methods:

• public Surface rotozoom (Surface src, double degrees, double zoom, int smooth)
• public void rotozoom_size (int width, int height, double degrees, double zoom, ref int dstwidth, ref int dstheight)
• public void rotozoom_size_xy (int width, int height, double degrees, double zoomx, double zoomy, ref int dstwidth, ref int dstheight)
• public Surface rotozoom_xy (Surface src, double degrees, double zoomx, double zoomy, int smooth)
• public Surface zoom (Surface src, double zoomx, double zoomy, int smooth)
• public void zoom_size (int width, int height, double zoomx, double zoomy, ref int dstwidth, ref int dstheight)
• Text

Methods:

• public int color (Renderer dst, int16 x, int16 y, string s, uint32 color)
• public int rgba (Renderer dst, int16 x, int16 y, string s, uchar r, uchar g, uchar b, uchar a)
• public int set_font (void* fontdata, int cw, int ch)
• Trigon

Methods:

• public int fill_color (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, int16 x3, int16 y3, uint32 color)
• public int fill_rgba (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, int16 x3, int16 y3, uchar r, uchar g, uchar b, uchar a)
• public int outline_color (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, int16 x3, int16 y3, uint32 color)
• public int outline_color_aa (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, int16 x3, int16 y3, uint32 color)
• public int outline_rgba (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, int16 x3, int16 y3, uchar r, uchar g, uchar b, uchar a)
• public int outline_rgba_aa (Renderer dst, int16 x1, int16 y1, int16 x2, int16 y2, int16 x3, int16 y3, uchar r, uchar g, uchar b, uchar a)