class Cairo::LinearPattern
Public Class Methods
new(p1, p2, p3, p4)
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static VALUE
cr_linear_pattern_initialize (VALUE self, VALUE x0, VALUE y0,
VALUE x1, VALUE y1)
{
cairo_pattern_t *pattern;
pattern = cairo_pattern_create_linear (NUM2DBL (x0), NUM2DBL (y0),
NUM2DBL (x1), NUM2DBL (y1));
cr_pattern_check_status (pattern);
DATA_PTR (self) = pattern;
return Qnil;
}
Public Instance Methods
points()
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static VALUE
cr_linear_pattern_get_linear_points (VALUE self)
{
cairo_status_t status;
double x0, y0, x1, y1;
status = cairo_pattern_get_linear_points (_SELF (self), &x0, &y0, &x1, &y1);
rb_cairo_check_status (status);
return rb_ary_new3 (4,
rb_float_new (x0), rb_float_new (y0),
rb_float_new (x1), rb_float_new (y1));
}