Functions
GO_COLOR_CHANGE_A()
#define GO_COLOR_CHANGE_A(x, a) (((x)&(~0xff))|((a)&0xff))
GO_COLOR_CHANGE_B()
#define GO_COLOR_CHANGE_B(x, b) (((x)&(~(0xff<<8)))|(((b)&0xff)<<8))
GO_COLOR_CHANGE_G()
#define GO_COLOR_CHANGE_G(x, g) (((x)&(~(0xff<<16)))|(((g)&0xff)<<16))
GO_COLOR_CHANGE_R()
#define GO_COLOR_CHANGE_R(x, r) (((x)&(~(0xff<<24)))|(((r)&0xff)<<24))
GO_COLOR_DOUBLE_A()
#define GO_COLOR_DOUBLE_A(x) (GO_COLOR_UINT_A(x)/255.0)
GO_COLOR_DOUBLE_B()
#define GO_COLOR_DOUBLE_B(x) (GO_COLOR_UINT_B(x)/255.0)
GO_COLOR_DOUBLE_G()
#define GO_COLOR_DOUBLE_G(x) (GO_COLOR_UINT_G(x)/255.0)
GO_COLOR_DOUBLE_R()
#define GO_COLOR_DOUBLE_R(x) (GO_COLOR_UINT_R(x)/255.0)
GO_COLOR_FROM_GDK_RGBA()
#define GO_COLOR_FROM_GDK_RGBA(c) go_color_from_gdk_rgba (&(c), NULL)
GO_COLOR_FROM_RGB()
#define GO_COLOR_FROM_RGB(r,g,b) GO_COLOR_FROM_RGBA((r),(g),(b),0xff)
GO_COLOR_FROM_RGBA()
#define GO_COLOR_FROM_RGBA(r,g,b,a) ((((guint)((r)&0xff))<<24)|(((guint)((g)&0xff))<<16)|((guint)((b)&0xff)<<8)|(guint)((a)&0xff))
GO_COLOR_GREY()
#define GO_COLOR_GREY(x) GO_COLOR_FROM_RGB(x,x,x)
GO_COLOR_INTERPOLATE()
#define GO_COLOR_INTERPOLATE(c1, c2, t)
GO_COLOR_MONO_INTERPOLATE()
#define GO_COLOR_MONO_INTERPOLATE(v1, v2, t) ((gint)go_rint((v2)*(t)+(v1)*(1-(t))))
GO_COLOR_TO_CAIRO()
#define GO_COLOR_TO_CAIRO(x) GO_COLOR_DOUBLE_R(x),GO_COLOR_DOUBLE_G(x),GO_COLOR_DOUBLE_B(x),GO_COLOR_DOUBLE_A(x)
GO_COLOR_TO_RGB()
#define GO_COLOR_TO_RGB(u,r,g,b)
GO_COLOR_TO_RGBA()
#define GO_COLOR_TO_RGBA(u,r,g,b,a)
GO_COLOR_UINT_A()
#define GO_COLOR_UINT_A(x) (((guint)(x))&0xff)
GO_COLOR_UINT_B()
#define GO_COLOR_UINT_B(x) ((((guint)(x))>>8)&0xff)
GO_COLOR_UINT_G()
#define GO_COLOR_UINT_G(x) ((((guint)(x))>>16)&0xff)
GO_COLOR_UINT_R()
#define GO_COLOR_UINT_R(x) (((guint)(x))>>24)
go_color_from_str ()
gboolean
go_color_from_str (char const *str
,
GOColor *res
);
Returns
TRUE if str
can be parsed as a color of the form R:G:B:A and the
result is stored in res
.
Types and Values
GONamedColor
typedef struct {
GOColor color;
char const *name;
} GONamedColor;
GO_COLOR_BLACK
#define GO_COLOR_BLACK GO_COLOR_FROM_RGB(0x00, 0x00, 0x00)
GO_COLOR_BLUE
#define GO_COLOR_BLUE GO_COLOR_FROM_RGB(0x00, 0x00, 0xff)
GO_COLOR_CYAN
#define GO_COLOR_CYAN GO_COLOR_FROM_RGB(0x00, 0xff, 0xff)
GO_COLOR_GREEN
#define GO_COLOR_GREEN GO_COLOR_FROM_RGB(0x00, 0xff, 0x00)
GO_COLOR_RED
#define GO_COLOR_RED GO_COLOR_FROM_RGB(0xff, 0x00, 0x00)
GO_COLOR_VIOLET
#define GO_COLOR_VIOLET GO_COLOR_FROM_RGB(0xff, 0x00, 0xff)
GO_COLOR_WHITE
#define GO_COLOR_WHITE GO_COLOR_FROM_RGB(0xff, 0xff, 0xff)
GO_COLOR_YELLOW
#define GO_COLOR_YELLOW GO_COLOR_FROM_RGB(0xff, 0xff, 0x00)