Skip site navigation (1)Skip section navigation (2)

FreeBSD Manual Pages

  
 
  

home | help 
M_COLOR(3)		    Library Functions Manual		    M_COLOR(3)

NAME
       M_Color -- Agar-Math color structure

SYNOPSIS
       #include	<agar/core.h>
       #include	<agar/gui.h>
       #include	<agar/math/m.h>

DESCRIPTION
       The  M_Color  structure describes a color in terms of RGB values	and an
       alpha component.	 It is defined as:

       #ifdef HAVE_SSE
       typedef union m_color {
	       __m128 m128;
	       struct {	float r, g, b, a; };
       } M_Color;
       #else
       typedef struct m_color {
	       M_Real r, g, b, a;
       } M_Color;
       #endif

       Notice that SIMD	extensions force single-precision  floats,  regardless
       of the precision	for which Agar-Math was	built.

INITIALIZATION
       M_Color M_ColorRGB(M_Real r, M_Real g, M_Real b)

       M_Color M_ColorRGBA(M_Real r, M_Real g, M_Real b, M_Real	a)

       M_Color M_ColorHSV(M_Real hue, M_Real saturation, M_Real	value)

       M_Color M_ColorHSVA(M_Real hue, M_Real saturation, M_Real value,	M_Real
       a)

       M_Color M_ColorBlack(void)

       M_Color M_ColorWhite(void)

       M_Color M_ColorGray(M_Real c)

       M_Color M_ReadColor(AG_DataSource *ds)

       void M_WriteColor(AG_DataSource *ds, const M_Color *C)

       void M_ColorTo4fv(const M_Color *C, float *fv)

       void M_ColorTo4dv(const M_Color *C, double *fv)

       The  M_ColorRGB()  function  returns an M_Color structure describing an
       opaque color composed of	the given red, green and blue components.  The
       components are real values ranging from 0.0 to 1.0.  M_ColorRGBA()  ac-
       cepts an	alpha component	as well.

       The  M_ColorHSV()  and M_ColorHSVA() functions return a color specified
       in terms	of hue,	saturation and value, all real	numbers	 ranging  from
       0.0 to 1.0.

       M_ColorBlack()  returns	an  opaque black and M_ColorWhite() returns an
       opaque white.  M_ColorGray() returns a shade of	gray  where  c	ranges
       from 0 to 1.0.

       The  M_ReadColor()  and	M_WriteColor() functions read or write a color
       structure from/to an AG_DataSource(3).

       M_ColorTo4fv() and M_ColorTo4dv() convert a M_Color structure to	an ar-
       ray of 4	float or double, respectively.

SEE ALSO
       AG_DataSource(3), AG_Intro(3)

HISTORY
       The M_Color structure first appeared in Agar 1.3.4.

Agar 1.7		       December	21, 2022		    M_COLOR(3)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=M_Color&sektion=3&manpath=FreeBSD+Ports+14.3.quarterly>

home | help