source.d2d.ProgressBar source code

1 module source.d2d.ProgressBar;
2 
3 import d2d;
4 
5 /**
6  * A progress bar to be displayed at any point on the screen
7  * Fills from left to right its progress
8  * TODO: allow bar direction to be modified
9  */
10 class ProgressBar(T) : Component {
11 
12     iRectangle _location; ///The location and dimensions of the bar
13     T maxVal; ///The maximum value of the quantity measured
14     T currentVal; ///The current value of the quantity measured
15     Color backColor; ///The background color of the bar
16     Color foreColor; ///The forground color of the bar
17 
18     /**
19      * Constructs a new health bar at the given location with the given values
20      */
21     this(Display container, iRectangle location, Color backColor, Color foreColor, T maxVal, 
22             T currentVal = 0) {
23         super(container);
24         this._location = location;
25         this.backColor = backColor;
26         this.foreColor = foreColor;
27         this.maxVal = maxVal,
28         this.currentVal = currentVal;
29     }
30 
31     /**
32      * Returns the location of the progress bar
33      */
34     override @property iRectangle location() {
35         return this._location;
36     }
37 
38     /**
39      * Sets the location of the progress bar
40      */
41     override @property void location(iRectangle newLocation) {
42         this._location = newLocation;
43     }
44 
45     /**
46      * Draws the progress bar to the screen
47      */
48     override void draw() {
49         this.container.renderer.fillRect(this._location, this.backColor);
50         if(this.currentVal >= 0) {
51             this.container.renderer.fillRect(new iRectangle(this._location.x, this._location.y, 
52                     cast(int)(this._location.w * (this.currentVal / this.maxVal)), this._location.h), this.foreColor);
53         }
54     }
55 
56 }