/* -*- c-file-style: "ruby"; indent-tabs-mode: nil -*- */
/************************************************

  rbpangofontdescription.c -

  $Author: ggc $
  $Date: 2007/07/13 16:07:33 $

  Copyright (C) 2002-2005 Masao Mutoh
************************************************/

#include "rbpango.h"

#define _SELF(self) ((PangoFontDescription*)RVAL2BOXED(self, PANGO_TYPE_FONT_DESCRIPTION))

static VALUE
font_desc_initialize(int argc, VALUE *argv, VALUE self)
{
    VALUE str;
    PangoFontDescription *description;

    rb_scan_args(argc, argv, "01", &str);

    if (NIL_P(str)) {
	description = pango_font_description_new();
    } else {
        description = pango_font_description_from_string(RVAL2CSTR(str));
    }

    G_INITIALIZE(self, description);
    pango_font_description_free(description);

    return Qnil;
}
/*
PangoFontDescription* pango_font_description_copy
                                            (const PangoFontDescription *desc);
PangoFontDescription* pango_font_description_copy_static
                                            (const PangoFontDescription *desc);
*/

static VALUE
font_desc_hash(VALUE self)
{
    return UINT2NUM(pango_font_description_hash(_SELF(self)));
}

static VALUE
font_desc_equal(VALUE self, VALUE other)
{
    return CBOOL2RVAL(pango_font_description_equal(_SELF(self), _SELF(other)));
}

/* Don't we need this?
void        pango_font_descriptions_free    (PangoFontDescription **descs,
                                             int n_descs);
*/

static VALUE
font_desc_set_family(VALUE self, VALUE family)
{
    pango_font_description_set_family(_SELF(self), RVAL2CSTR(family));
    return self;
}
/* Don't we need this?
void        pango_font_description_set_family_static
                                            (PangoFontDescription *desc,
                                             const char *family);
*/

static VALUE
font_desc_get_family(VALUE self)
{
    return CSTR2RVAL(pango_font_description_get_family(_SELF(self)));
}

static VALUE
font_desc_set_style(VALUE self, VALUE style)
{
    pango_font_description_set_style(_SELF(self), RVAL2GENUM(style, PANGO_TYPE_STYLE));
    return self;
}

static VALUE
font_desc_get_style(VALUE self)
{
    return GENUM2RVAL(pango_font_description_get_style(_SELF(self)), PANGO_TYPE_STYLE);
}

static VALUE
font_desc_set_variant(VALUE self, VALUE variant)
{
    pango_font_description_set_variant(_SELF(self), RVAL2GENUM(variant, PANGO_TYPE_VARIANT));
    return self;
}

static VALUE
font_desc_get_variant(VALUE self)
{
    return GENUM2RVAL(pango_font_description_get_variant(_SELF(self)), PANGO_TYPE_VARIANT);
}

static VALUE
font_desc_set_weight(VALUE self, VALUE weight)
{
    pango_font_description_set_weight(_SELF(self),
				      RVAL2GENUM(weight, PANGO_TYPE_WEIGHT));
    return self;
}

static VALUE
font_desc_get_weight(VALUE self)
{
    return GENUM2RVAL(pango_font_description_get_weight(_SELF(self)), PANGO_TYPE_WEIGHT);
}

static VALUE
font_desc_set_stretch(VALUE self, VALUE stretch)
{
    pango_font_description_set_stretch(_SELF(self), RVAL2GENUM(stretch, PANGO_TYPE_STRETCH));
    return self;
}

static VALUE
font_desc_get_stretch(VALUE self)
{
    return GENUM2RVAL(pango_font_description_get_stretch(_SELF(self)), PANGO_TYPE_STRETCH);
}

static VALUE
font_desc_set_size(VALUE self, VALUE size)
{
    pango_font_description_set_size(_SELF(self), NUM2INT(size));
    return self;
}

static VALUE
font_desc_get_size(VALUE self)
{
    return INT2NUM(pango_font_description_get_size(_SELF(self)));
}

#if PANGO_CHECK_VERSION(1,8,0)
static VALUE
font_desc_set_absolute_size(VALUE self, VALUE size)
{
    pango_font_description_set_absolute_size(_SELF(self), NUM2INT(size));
    return self;
}

static VALUE
font_desc_get_size_is_absolute(VALUE self)
{
    return CBOOL2RVAL(pango_font_description_get_size_is_absolute(_SELF(self)));
}
#endif

#if PANGO_CHECK_VERSION(1,16,0)
static VALUE
font_desc_get_gravity(VALUE self)
{
    return GENUM2RVAL(pango_font_description_get_gravity(_SELF(self)), PANGO_TYPE_GRAVITY);
}

static VALUE
font_desc_set_gravity(VALUE self, VALUE gravity)
{
    pango_font_description_set_gravity(_SELF(self), RVAL2GENUM(gravity, PANGO_TYPE_GRAVITY));
    return self;
}
#endif

static VALUE
font_desc_get_set_fields(VALUE self)
{
    return GFLAGS2RVAL(pango_font_description_get_set_fields(_SELF(self)), PANGO_TYPE_FONT_MASK);
}

static VALUE
font_desc_unset_fields(VALUE self, VALUE to_unset)
{
    pango_font_description_unset_fields(_SELF(self), RVAL2GFLAGS(to_unset, PANGO_TYPE_FONT_MASK));
    return self;
}

static VALUE
font_desc_merge(VALUE self, VALUE desc_to_merge, VALUE replace_existing)
{
    pango_font_description_merge(_SELF(self), _SELF(desc_to_merge),
                                 RVAL2CBOOL(replace_existing));
    return self;
}

/* Don't we need this?
void        pango_font_description_merge_static
                                            (PangoFontDescription *desc,
                                             const PangoFontDescription *desc_to_merge,
                                             gboolean replace_existing);
*/

static VALUE
font_desc_better_match(VALUE self, VALUE old_match, VALUE new_match)
{
    return CBOOL2RVAL(pango_font_description_better_match(_SELF(self), 
                                                          _SELF(old_match),
                                                          _SELF(new_match)));
}

static VALUE
font_desc_to_string(VALUE self)
{
    return CSTR2RVAL(pango_font_description_to_string(_SELF(self)));
}

static VALUE
font_desc_to_filename(VALUE self)
{
    return CSTR2RVAL(pango_font_description_to_filename(_SELF(self)));
}

void
Init_pango_font_description()
{
    VALUE pFontDesc = G_DEF_CLASS(PANGO_TYPE_FONT_DESCRIPTION, "FontDescription", mPango);

    rb_define_method(pFontDesc, "initialize", font_desc_initialize, -1);
    rb_define_method(pFontDesc, "hash", font_desc_hash, 0);
    rb_define_method(pFontDesc, "==", font_desc_equal, 1);
    rb_define_method(pFontDesc, "set_family", font_desc_set_family, 1);
    rb_define_method(pFontDesc, "family", font_desc_get_family, 0);
    rb_define_method(pFontDesc, "set_style", font_desc_set_style, 1);
    rb_define_method(pFontDesc, "style", font_desc_get_style, 0);
    rb_define_method(pFontDesc, "set_variant", font_desc_set_variant, 1);
    rb_define_method(pFontDesc, "variant", font_desc_get_variant, 0);
    rb_define_method(pFontDesc, "set_weight", font_desc_set_weight, 1);
    rb_define_method(pFontDesc, "weight", font_desc_get_weight, 0);
    rb_define_method(pFontDesc, "set_stretch", font_desc_set_stretch, 1);
    rb_define_method(pFontDesc, "stretch", font_desc_get_stretch, 0);
    rb_define_method(pFontDesc, "set_size", font_desc_set_size, 1);
    rb_define_method(pFontDesc, "size", font_desc_get_size, 0);

#if PANGO_CHECK_VERSION(1,8,0)
    rb_define_method(pFontDesc, "set_absolute_size", font_desc_set_absolute_size, 1);
    rb_define_method(pFontDesc, "size_is_absolute?", font_desc_get_size_is_absolute, 0);
#endif
#if PANGO_CHECK_VERSION(1,16,0)
    rb_define_method(pFontDesc, "set_gravity", font_desc_set_gravity, 1);
    rb_define_method(pFontDesc, "gravity", font_desc_get_gravity, 0);
#endif
    rb_define_method(pFontDesc, "set_fields", font_desc_get_set_fields, 0);
    rb_define_method(pFontDesc, "unset_fields", font_desc_unset_fields, 1);
    rb_define_method(pFontDesc, "merge", font_desc_merge, 2);
    rb_define_method(pFontDesc, "better_match", font_desc_better_match, 2);
    rb_define_method(pFontDesc, "to_str", font_desc_to_string, 0);
    rb_define_alias(pFontDesc, "to_s", "to_str");
    rb_define_method(pFontDesc, "to_filename", font_desc_to_filename, 0);

    G_DEF_SETTERS(pFontDesc);

    /* PangoStyle */
    G_DEF_CLASS(PANGO_TYPE_STYLE, "Style", pFontDesc);
    G_DEF_CONSTANTS(pFontDesc, PANGO_TYPE_STYLE, "PANGO_");

    /* PangoWeight */
    G_DEF_CLASS(PANGO_TYPE_WEIGHT, "Weight", pFontDesc);
    G_DEF_CONSTANTS(pFontDesc, PANGO_TYPE_WEIGHT, "PANGO_");

    /* PangoVariant */
    G_DEF_CLASS(PANGO_TYPE_VARIANT, "Variant", pFontDesc);
    G_DEF_CONSTANTS(pFontDesc, PANGO_TYPE_VARIANT, "PANGO_");

    /* PangoStretch */
    G_DEF_CLASS(PANGO_TYPE_STRETCH, "Stretch", pFontDesc);
    G_DEF_CONSTANTS(pFontDesc, PANGO_TYPE_STRETCH, "PANGO_");

    /* PangoFontMask */
    G_DEF_CLASS(PANGO_TYPE_FONT_MASK, "FontMask", pFontDesc);
    G_DEF_CONSTANTS(pFontDesc, PANGO_TYPE_FONT_MASK, "PANGO_");
}
