diff options
Diffstat (limited to 'libdimension/dimension/color.h')
| -rw-r--r-- | libdimension/dimension/color.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libdimension/dimension/color.h b/libdimension/dimension/color.h index 67fa032..43edbff 100644 --- a/libdimension/dimension/color.h +++ b/libdimension/dimension/color.h @@ -25,6 +25,8 @@ #ifndef DIMENSION_COLOR_H #define DIMENSION_COLOR_H +#include <stdbool.h> + /* Internally, we use sRGB color. */ typedef struct { double filter, trans; /* Filter transparancy only lets light of this color @@ -67,6 +69,9 @@ extern const dmnsn_color dmnsn_black, dmnsn_white, dmnsn_red, dmnsn_green, /* Standard whitepoint, determined by the conversion of sRGB white to CIE XYZ */ extern const dmnsn_CIE_XYZ dmnsn_whitepoint; +/* Is this color black? */ +bool dmnsn_color_is_black(dmnsn_color color); + /* Color conversions */ dmnsn_color dmnsn_color_from_XYZ(dmnsn_CIE_XYZ XYZ); |