Module: MorandiNative::PixbufUtils

Defined in:
ext/morandi_native/morandi_native.c

Class Method Summary collapse

Class Method Details

.brightness(__v_src, __v_adjust) ⇒ Object 



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# File 'ext/morandi_native/morandi_native.c', line 576

static VALUE
PixbufUtils_CLASS_brightness(VALUE self OPTIONAL_ATTR, VALUE __v_src OPTIONAL_ATTR, VALUE __v_adjust OPTIONAL_ATTR) {
    VALUE __p_retval OPTIONAL_ATTR = Qnil;
    GdkPixbuf *src;
    GdkPixbuf *__orig_src;
    int adjust;
    int __orig_adjust;
    __orig_src = src = GDK_PIXBUF(RVAL2GOBJ(__v_src));
    __orig_adjust = adjust = NUM2INT(__v_adjust);

    IGNORE(self);
    do {
        __p_retval = unref_pixbuf((pixbuf_adjust_brightness(src, gdk_pixbuf_copy(src), adjust)));
        goto out;
    }
    while (0);
    out:;
    return __p_retval;
}

.contrast(__v_src, __v_adjust) ⇒ Object

Code



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# File 'ext/morandi_native/morandi_native.c', line 556

static VALUE
PixbufUtils_CLASS_contrast(VALUE self OPTIONAL_ATTR, VALUE __v_src OPTIONAL_ATTR, VALUE __v_adjust OPTIONAL_ATTR) {
    VALUE __p_retval OPTIONAL_ATTR = Qnil;
    GdkPixbuf *src;
    GdkPixbuf *__orig_src;
    int adjust;
    int __orig_adjust;
    __orig_src = src = GDK_PIXBUF(RVAL2GOBJ(__v_src));
    __orig_adjust = adjust = NUM2INT(__v_adjust);

    IGNORE(self);
    do {
        __p_retval = unref_pixbuf((pixbuf_adjust_contrast(src, gdk_pixbuf_copy(src), adjust)));
        goto out;
    }
    while (0);
    out:;
    return __p_retval;
}

.filter(__v_src, filter, __v_divisor) ⇒ Object 



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# File 'ext/morandi_native/morandi_native.c', line 596

static VALUE
PixbufUtils_CLASS_filter(VALUE self OPTIONAL_ATTR, VALUE __v_src OPTIONAL_ATTR, VALUE filter OPTIONAL_ATTR,
                         VALUE __v_divisor OPTIONAL_ATTR) {
    VALUE __p_retval OPTIONAL_ATTR = Qnil;
    GdkPixbuf *src;
    GdkPixbuf *__orig_src;
    double divisor;
    double __orig_divisor;
    __orig_src = src = GDK_PIXBUF(RVAL2GOBJ(__v_src));
    Check_Type(filter, T_ARRAY);
    __orig_divisor = divisor = NUM2DBL(__v_divisor);

    do {
        long matrix_size = RARRAY_LEN(filter), i;
        int len;
        double *matrix;
        IGNORE(self);
        len = (int) sqrt((double) matrix_size);
        if ((len * len) != matrix_size) {
            rb_raise(rb_eArgError, "Invalid matrix size - sqrt(%li)*sqrt(%li) != %li", matrix_size, matrix_size,
                     matrix_size);
        }
        matrix = ALLOCA_N(
        double, matrix_size);
        for (i = 0;
             i < matrix_size;
             i++) {
            matrix[i] = NUM2DBL(RARRAY_PTR(filter)[i]);
        }
        do {
            __p_retval = unref_pixbuf((pixbuf_convolution_matrix(src, gdk_pixbuf_copy(src), len, matrix, divisor)));
            goto out;
        }
        while (0);

    } while (0);

    out:;
    return __p_retval;
}

.gamma(__v_src, __v_level) ⇒ Object 



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# File 'ext/morandi_native/morandi_native.c', line 659

static VALUE
PixbufUtils_CLASS_gamma(VALUE self OPTIONAL_ATTR, VALUE __v_src OPTIONAL_ATTR, VALUE __v_level OPTIONAL_ATTR) {
    VALUE __p_retval OPTIONAL_ATTR = Qnil;
    GdkPixbuf *src;
    GdkPixbuf *__orig_src;
    double level;
    double __orig_level;
    __orig_src = src = GDK_PIXBUF(RVAL2GOBJ(__v_src));
    __orig_level = level = NUM2DBL(__v_level);

    IGNORE(self);
    do {
        __p_retval = unref_pixbuf((pixbuf_gamma(src, gdk_pixbuf_copy(src), level)));
        goto out;
    }
    while (0);
    out:;
    return __p_retval;
}

.mask(__v_src, __v_mask) ⇒ Object 



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# File 'ext/morandi_native/morandi_native.c', line 725

static VALUE
PixbufUtils_CLASS_mask(VALUE self OPTIONAL_ATTR, VALUE __v_src OPTIONAL_ATTR, VALUE __v_mask OPTIONAL_ATTR) {
    VALUE __p_retval OPTIONAL_ATTR = Qnil;
    GdkPixbuf *src;
    GdkPixbuf *__orig_src;
    GdkPixbuf *mask;
    GdkPixbuf *__orig_mask;
    __orig_src = src = GDK_PIXBUF(RVAL2GOBJ(__v_src));
    __orig_mask = mask = GDK_PIXBUF(RVAL2GOBJ(__v_mask));

    IGNORE(self);
    do {
        __p_retval = unref_pixbuf((pixbuf_mask(src, mask)));
        goto out;
    }
    while (0);
    out:;
    return __p_retval;
}

.rotate(__v_src, __v_angle) ⇒ Object 



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# File 'ext/morandi_native/morandi_native.c', line 637

static VALUE
PixbufUtils_CLASS_rotate(VALUE self OPTIONAL_ATTR, VALUE __v_src OPTIONAL_ATTR, VALUE __v_angle OPTIONAL_ATTR) {
    VALUE __p_retval OPTIONAL_ATTR = Qnil;
    GdkPixbuf *src;
    GdkPixbuf *__orig_src;
    int angle;
    int __orig_angle;
    __orig_src = src = GDK_PIXBUF(RVAL2GOBJ(__v_src));
    __orig_angle = angle = NUM2INT(__v_angle);

    IGNORE(self);
    g_assert(angle == 0 || angle == 90 || angle == 180 || angle == 270);
    do {
        __p_retval = unref_pixbuf((pixbuf_rotate(src, (rotate_angle_t) angle)));
        goto out;
    }
    while (0);
    out:;
    return __p_retval;
}

.tint(*__p_argv, self) ⇒ Object 



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# File 'ext/morandi_native/morandi_native.c', line 679

static VALUE
PixbufUtils_CLASS_tint(int __p_argc, VALUE *__p_argv, VALUE self) {
    VALUE __p_retval OPTIONAL_ATTR = Qnil;
    VALUE __v_src = Qnil;
    GdkPixbuf *src;
    GdkPixbuf *__orig_src;
    VALUE __v_r = Qnil;
    int r;
    int __orig_r;
    VALUE __v_g = Qnil;
    int g;
    int __orig_g;
    VALUE __v_b = Qnil;
    int b;
    int __orig_b;
    VALUE __v_alpha = Qnil;
    int alpha;
    int __orig_alpha;

    /* Scan arguments */
    rb_scan_args(__p_argc, __p_argv, "41", &__v_src, &__v_r, &__v_g, &__v_b, &__v_alpha);

    /* Set defaults */
    __orig_src = src = GDK_PIXBUF(RVAL2GOBJ(__v_src));

    __orig_r = r = NUM2INT(__v_r);

    __orig_g = g = NUM2INT(__v_g);

    __orig_b = b = NUM2INT(__v_b);

    if (__p_argc > 4)
        __orig_alpha = alpha = NUM2INT(__v_alpha);
    else
        alpha = 255;

    IGNORE(self);
    do {
        __p_retval = unref_pixbuf((pixbuf_tint(src, gdk_pixbuf_copy(src), r, g, b, alpha)));
        goto out;
    }
    while (0);
    out:;
    return __p_retval;
}