Sha256: fcf2369b346a3049a4043f59ddc89f9b72dffbaaf73444d698c9b74ad2a960e3
Contents?: true
Size: 1.6 KB
Versions: 11
Compression:
Stored size: 1.6 KB
Contents
#include "color.h"
VALUE rb_cColor;
void Init_Gosu_Color(VALUE module)
{
rb_cColor = rb_define_class_under(module, "Color", rb_cObject);
rb_define_singleton_method(rb_cColor, "from_opengl", Gosu_Color_from_opengl, 1);
rb_define_method(rb_cColor, "to_opengl", Gosu_Color_to_opengl, 0);
rb_define_method(rb_cColor, "to_i", Gosu_Color_to_i, 0);
}
VALUE Gosu_Color_from_opengl(VALUE klass, VALUE array)
{
VALUE red = INT2NUM(round(NUM2DBL(rb_ary_entry(array, 0)) * 255.0));
VALUE green = INT2NUM(round(NUM2DBL(rb_ary_entry(array, 1)) * 255.0));
VALUE blue = INT2NUM(round(NUM2DBL(rb_ary_entry(array, 2)) * 255.0));
VALUE alpha = INT2NUM(round(NUM2DBL(rb_ary_entry(array, 3)) * 255.0));
return rb_funcall(klass, rb_intern("rgba"), 4, red, green, blue, alpha);
}
VALUE Gosu_Color_to_opengl(VALUE self)
{
VALUE array = rb_ary_new();
rb_ary_push(array, rb_float_new(NUM2INT(rb_funcall(self, rb_intern("red"), 0)) / 255.0));
rb_ary_push(array, rb_float_new(NUM2INT(rb_funcall(self, rb_intern("green"), 0)) / 255.0));
rb_ary_push(array, rb_float_new(NUM2INT(rb_funcall(self, rb_intern("blue"), 0)) / 255.0));
rb_ary_push(array, rb_float_new(NUM2INT(rb_funcall(self, rb_intern("alpha"), 0)) / 255.0));
return array;
}
VALUE Gosu_Color_to_i(VALUE self)
{
uint argb = (NUM2UINT(rb_funcall(self, rb_intern("alpha"), 0)) << 24) +
(NUM2UINT(rb_funcall(self, rb_intern("red"), 0)) << 16) +
(NUM2UINT(rb_funcall(self, rb_intern("green"), 0)) << 8) +
NUM2UINT(rb_funcall(self, rb_intern("blue"), 0));
return UINT2NUM(argb);
}
Version data entries
11 entries across 11 versions & 2 rubygems