Class: Rixmap::Deformer::BaseDeformer

Inherits:
Object
  • Object
show all
Defined in:
src/rixmapdeformation.cxx,
src/rixmapdeformation.cxx

Overview

画像変形処理のベースクラス.

Direct Known Subclasses

AffineDeformer

Instance Method Summary collapse

Constructor Details

#initialize(ipo = nil) (private)

変形処理ベースを初期化します.

Parameters:

  • ipo (Symbol, String, Integer, nil) (defaults to: nil) —

    補間処理方法 (Default: nil)



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# File 'src/rixmapdeformation.cxx', line 36

static VALUE BaseDeformer_initialize(int argc, VALUE* argv, VALUE self) {
    VALUE argIPO = Qnil;
    rb_scan_args(argc, argv, "01", &argIPO);
    rb_funcall(self, rb_intern("interpolator="), 1, argIPO);
    return self;
}

Instance Method Details

#deform(image, *args) ⇒ Rixmap::Image

変形処理を実行します.

Parameters:

Returns:



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# File 'src/rixmapdeformation.cxx', line 99

static VALUE BaseDeformer_deform(int argc, VALUE* argv, VALUE self) {
    rb_raise(rb_eNotImpError, "%s#%s is not implemented", rb_obj_classname(self), rb_id2name(rb_frame_this_func()));
}

#inspect ⇒ String

オブジェクトとしての文字列表現を返します.

Returns:

  • (String) —

    文字列表現



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# File 'src/rixmapdeformation.cxx', line 108

static VALUE BaseDeformer_inspect(VALUE self) {
    Rixmap::DeformerData* _this = rixmap_unwrap<Rixmap::DeformerData>(self);
    return rb_enc_sprintf(
            rb_usascii_encoding(),
            "#<%s:%p ipo=%d>",
            rb_obj_classname(self), reinterpret_cast<void*>(self),
            static_cast<int>(_this->getInterpolation()));
}

#interpolator ⇒ Integer

画素補間処理方法を返します.

Returns:

  • (Integer) —

    画素補間処理方法.



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# File 'src/rixmapdeformation.cxx', line 48

static VALUE BaseDeformer_getInterpolator(VALUE self) {
    Rixmap::DeformerData* _this = rixmap_unwrap<Rixmap::DeformerData>(self);
    switch (_this->getInterpolation()) {
    case Rixmap::Interpolation::BICUBIC:
        return INT2FIX(static_cast<int>(_this->getInterpolation()));

    default:
        return Qnil;
    }
}

#interpolator=(argIPO)

This method returns an undefined value.

画素補間処理方法を設定します.

Parameters:

  • ipo (Symbol, String, Integer, nil) —

    画素補間処理方法.



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# File 'src/rixmapdeformation.cxx', line 65

static VALUE BaseDeformer_setInterpolator(VALUE self, VALUE argIPO) {
    Rixmap::DeformerData* _this = rixmap_unwrap<Rixmap::DeformerData>(self);
    if (NIL_P(argIPO)) {
        _this->setInterpolation(Rixmap::Interpolation::NONE);
    } else if (RB_TYPE_P(argIPO, T_FIXNUM)) {
        Rixmap::Interpolation ipo = static_cast<Rixmap::Interpolation>(FIX2INT(argIPO));
        switch (ipo) {
        case Rixmap::Interpolation::BICUBIC:
            _this->setInterpolation(ipo);
            break;

        default:
            _this->setInterpolation(Rixmap::Interpolation::NONE);
            break;
        }
    } else {
        VALUE strIPO = rb_str_new_cstr("IPO_");
        strIPO = rb_str_concat(strIPO, rb_funcall(rb_String(argIPO), rb_intern("upcase"), 0));
        if (rb_const_defined(mRixmapDeformer, rb_intern_str(strIPO))) {
            VALUE objIPO = rb_const_get(mRixmapDeformer, rb_intern_str(strIPO));
            _this->setInterpolation(static_cast<Rixmap::Interpolation>(NUM2INT(rb_Integer(objIPO))));
        } else {
            _this->setInterpolation(Rixmap::Interpolation::NONE);
        }
    }
    return argIPO;
}