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/////////////////////////////////////////////////////////////////////////
// Copyright (c) 2011-2017 by Simon Schneegans
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or (at
// your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
/////////////////////////////////////////////////////////////////////////

namespace GnomePie {

/////////////////////////////////////////////////////////////////////////
/// This class representing a layer of a slice of a pie. Each theme may
/// have plenty of them.
/////////////////////////////////////////////////////////////////////////

public class SliceLayer : GLib.Object {

    public enum Type { FILE, ICON, CAPTION }
    public enum Visibility { ANY, WITH_CAPTION, WITHOUT_CAPTION }

    public Type layer_type { get; private set; }
    public Visibility visibility { get; private set; }

    /////////////////////////////////////////////////////////////////////
    /// Information on the contained image.
    /////////////////////////////////////////////////////////////////////

    public Image image {get; set;}


    /////////////////////////////////////////////////////////////////////
    /// Properties of this layer.
    /////////////////////////////////////////////////////////////////////

    public string icon_file {get; private set; default="";}
    public bool colorize {get; private set; default=false;}
    public int icon_size {get; private set; default=1;}

    public string font {get; private set; default="";}
    public int width {get; private set; default=0;}
    public int height {get; private set; default=0;}
    public int x {get; private set; default=0;}
    public int y {get; private set; default=0;}
    public Color color {get; private set; default=new Color();}

    /////////////////////////////////////////////////////////////////////
    /// C'tor, initializes all members of the layer.
    /////////////////////////////////////////////////////////////////////

    public SliceLayer.file(string icon_file, int icon_size, int x, int y, bool colorize, Visibility visibility) {
        this.layer_type = Type.FILE;
        this.icon_file = icon_file;
        this.colorize = colorize;
        this.icon_size = icon_size;
        this.x = x;
        this.y = y;
        this.visibility = visibility;
    }

    public SliceLayer.icon(string icon_file, int icon_size, int x, int y, bool colorize, Visibility visibility) {
        this.layer_type = Type.ICON;
        this.icon_file = icon_file;
        this.colorize = colorize;
        this.icon_size = icon_size;
        this.x = x;
        this.y = y;
        this.visibility = visibility;
    }

    public SliceLayer.caption(string font, int width, int height, int x, int y, Color color, bool colorize, Visibility visibility) {
        this.layer_type = Type.CAPTION;
        this.font = font;
        this.width = width;
        this.height = height;
        this.x = x;
        this.y = y;
        this.color = color;
        this.visibility = visibility;
        this.colorize = colorize;
    }

    /////////////////////////////////////////////////////////////////////
    /// Loads the contained image.
    /////////////////////////////////////////////////////////////////////

    public void load_image() {
        this.image = null;

        if (this.icon_file == "" && this.layer_type == Type.ICON)
            this.image = new Image.empty(this.icon_size, this.icon_size, new Color.from_rgb(1, 1, 1));
        else if (this.icon_file != "")
            this.image = new Image.from_file_at_size(this.icon_file, this.icon_size, this.icon_size);
    }
}

}