class Cairo::FontExtents
Public Class Methods
new()
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static VALUE
cr_font_extents_initialize (VALUE self)
{
cairo_font_extents_t *extents;
extents = ALLOC (cairo_font_extents_t);
extents->ascent = 1.0;
extents->descent = 0.0;
extents->height = 1.0;
extents->max_x_advance = 1.0;
extents->max_y_advance = 0.0;
DATA_PTR (self) = extents;
return Qnil;
}
Public Instance Methods
ascent()
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static VALUE
cr_font_extents_ascent (VALUE self)
{
return rb_float_new (_SELF(self)->ascent);
}
descent()
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static VALUE
cr_font_extents_descent (VALUE self)
{
return rb_float_new (_SELF(self)->descent);
}
height()
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static VALUE
cr_font_extents_height (VALUE self)
{
return rb_float_new (_SELF(self)->height);
}
max_x_advance()
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static VALUE
cr_font_extents_max_x_advance (VALUE self)
{
return rb_float_new (_SELF(self)->max_x_advance);
}
max_y_advance()
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static VALUE
cr_font_extents_max_y_advance (VALUE self)
{
return rb_float_new (_SELF(self)->max_y_advance);
}
set_ascent(p1)
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static VALUE
cr_font_extents_set_ascent (VALUE self, VALUE ascent)
{
_SELF(self)->ascent = NUM2DBL (ascent);
return self;
}
set_descent(p1)
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static VALUE
cr_font_extents_set_descent (VALUE self, VALUE descent)
{
_SELF(self)->descent = NUM2DBL (descent);
return self;
}
set_height(p1)
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static VALUE
cr_font_extents_set_height (VALUE self, VALUE height)
{
_SELF(self)->height = NUM2DBL (height);
return self;
}
set_max_x_advance(p1)
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static VALUE
cr_font_extents_set_max_x_advance (VALUE self, VALUE max_x_advance)
{
_SELF(self)->max_x_advance = NUM2DBL (max_x_advance);
return self;
}
set_max_y_advance(p1)
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static VALUE
cr_font_extents_set_max_y_advance (VALUE self, VALUE max_y_advance)
{
_SELF(self)->max_y_advance = NUM2DBL (max_y_advance);
return self;
}
to_s()
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static VALUE
cr_font_extents_to_s (VALUE self)
{
VALUE ret;
ret = rb_str_new2 ("#<");
rb_str_cat2 (ret, rb_class2name (CLASS_OF (self)));
rb_str_cat2 (ret, ": ");
rb_str_cat2 (ret, "ascent=");
rb_str_concat (ret, rb_inspect (cr_font_extents_ascent (self)));
rb_str_cat2 (ret, ", ");
rb_str_cat2 (ret, "descent=");
rb_str_concat (ret, rb_inspect (cr_font_extents_descent (self)));
rb_str_cat2 (ret, ", ");
rb_str_cat2 (ret, "height=");
rb_str_concat (ret, rb_inspect (cr_font_extents_height (self)));
rb_str_cat2 (ret, ", ");
rb_str_cat2 (ret, "max_x_advance=");
rb_str_concat (ret, rb_inspect (cr_font_extents_max_x_advance (self)));
rb_str_cat2 (ret, ", ");
rb_str_cat2 (ret, "max_y_advance=");
rb_str_concat (ret, rb_inspect (cr_font_extents_max_y_advance (self)));
rb_str_cat2 (ret, ">");
return ret;
}