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/* -*- c-file-style: "gnu"; indent-tabs-mode: nil -*- */
/*
* Ruby Cairo Binding
*
* $Author: kou $
* $Date: 2008-08-17 05:12:37 $
*
* Copyright 2005-2022 Sutou Kouhei <kou@cozmixng.org>
* Copyright 2005 Øyvind Kolås <pippin@freedesktop.org>
* Copyright 2004-2005 MenTaLguY <mental@rydia.com>
*
* This file is made available under the same terms as Ruby
*
*/
#include "rb_cairo.h"
#include "rb_cairo_private.h"
VALUE rb_cCairo_FontExtents;
#define _SELF(self) (RVAL2CRFONTEXTENTS(self))
static const rb_data_type_t cr_font_extents_type = {
"Cairo::FontExtents",
{
NULL,
ruby_xfree,
},
NULL,
NULL,
RUBY_TYPED_FREE_IMMEDIATELY,
};
cairo_font_extents_t *
rb_cairo_font_extents_from_ruby_object (VALUE obj)
{
cairo_font_extents_t *extents;
if (!rb_cairo__is_kind_of (obj, rb_cCairo_FontExtents))
{
rb_raise (rb_eTypeError, "not a cairo font extents");
}
TypedData_Get_Struct (obj,
cairo_font_extents_t,
&cr_font_extents_type,
extents);
return extents;
}
VALUE
rb_cairo_font_extents_to_ruby_object (cairo_font_extents_t *extents)
{
if (extents)
{
cairo_font_extents_t *new_extents = ALLOC (cairo_font_extents_t);
*new_extents = *extents;
return TypedData_Wrap_Struct (rb_cCairo_FontExtents,
&cr_font_extents_type,
new_extents);
}
else
{
return Qnil;
}
}
static VALUE
cr_font_extents_allocate (VALUE klass)
{
return TypedData_Wrap_Struct (klass, &cr_font_extents_type, NULL);
}
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;
RTYPEDDATA_DATA (self) = extents;
return Qnil;
}
static VALUE
cr_font_extents_ascent (VALUE self)
{
return rb_float_new (_SELF(self)->ascent);
}
static VALUE
cr_font_extents_set_ascent (VALUE self, VALUE ascent)
{
_SELF(self)->ascent = NUM2DBL (ascent);
return self;
}
static VALUE
cr_font_extents_descent (VALUE self)
{
return rb_float_new (_SELF(self)->descent);
}
static VALUE
cr_font_extents_set_descent (VALUE self, VALUE descent)
{
_SELF(self)->descent = NUM2DBL (descent);
return self;
}
static VALUE
cr_font_extents_height (VALUE self)
{
return rb_float_new (_SELF(self)->height);
}
static VALUE
cr_font_extents_set_height (VALUE self, VALUE height)
{
_SELF(self)->height = NUM2DBL (height);
return self;
}
static VALUE
cr_font_extents_max_x_advance (VALUE self)
{
return rb_float_new (_SELF(self)->max_x_advance);
}
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;
}
static VALUE
cr_font_extents_max_y_advance (VALUE self)
{
return rb_float_new (_SELF(self)->max_y_advance);
}
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;
}
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;
}
void
Init_cairo_font_extents (void)
{
rb_cCairo_FontExtents =
rb_define_class_under (rb_mCairo, "FontExtents", rb_cObject);
rb_define_alloc_func (rb_cCairo_FontExtents, cr_font_extents_allocate);
rb_define_method (rb_cCairo_FontExtents, "initialize",
cr_font_extents_initialize, 0);
rb_define_method (rb_cCairo_FontExtents, "ascent",
cr_font_extents_ascent, 0);
rb_define_method (rb_cCairo_FontExtents, "set_ascent",
cr_font_extents_set_ascent, 1);
rb_define_method (rb_cCairo_FontExtents, "descent",
cr_font_extents_descent, 0);
rb_define_method (rb_cCairo_FontExtents, "set_descent",
cr_font_extents_set_descent, 1);
rb_define_method (rb_cCairo_FontExtents, "height",
cr_font_extents_height, 0);
rb_define_method (rb_cCairo_FontExtents, "set_height",
cr_font_extents_set_height, 1);
rb_define_method (rb_cCairo_FontExtents, "max_x_advance",
cr_font_extents_max_x_advance, 0);
rb_define_method (rb_cCairo_FontExtents, "set_max_x_advance",
cr_font_extents_set_max_x_advance, 1);
rb_define_method (rb_cCairo_FontExtents, "max_y_advance",
cr_font_extents_max_y_advance, 0);
rb_define_method (rb_cCairo_FontExtents, "set_max_y_advance",
cr_font_extents_set_max_y_advance, 1);
rb_define_method (rb_cCairo_FontExtents, "to_s", cr_font_extents_to_s, 0);
RB_CAIRO_DEF_SETTERS (rb_cCairo_FontExtents);
}
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