| 1 | package charts.series.bars {
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| 2 |
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| 3 | import flash.display.Sprite;
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| 4 | import flash.geom.Matrix;
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| 5 | import flash.filters.DropShadowFilter;
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| 6 | import charts.series.bars.Base;
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| 7 |
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| 8 | public class Bar3D extends Base {
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| 9 |
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| 10 | public function Bar3D( index:Number, props:Properties, group:Number ) {
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| 11 |
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| 12 | super(index, props, group);
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| 13 | //super(index, style, style.colour, style.tip, style.alpha, group);
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| 14 | //super(index, {'top':props.get('top')}, props.get_colour('colour'), props.get('tip'), props.get('alpha'), group);
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| 15 |
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| 16 | var dropShadow:DropShadowFilter = new flash.filters.DropShadowFilter();
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| 17 | dropShadow.blurX = 5;
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| 18 | dropShadow.blurY = 5;
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| 19 | dropShadow.distance = 3;
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| 20 | dropShadow.angle = 45;
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| 21 | dropShadow.quality = 2;
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| 22 | dropShadow.alpha = 0.4;
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| 23 | // apply shadow filter
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| 24 | this.filters = [dropShadow];
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| 25 | }
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| 26 |
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| 27 | public override function resize( sc:ScreenCoordsBase ):void {
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| 28 |
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| 29 | var h:Object = this.resize_helper( sc as ScreenCoords );
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| 30 |
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| 31 | this.graphics.clear();
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| 32 |
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| 33 | this.draw_top( h.width, h.height );
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| 34 | this.draw_front( h.width, h.height );
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| 35 | this.draw_side( h.width, h.height );
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| 36 | }
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| 37 |
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| 38 | private function draw_top( w:Number, h:Number ):void {
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| 39 |
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| 40 | this.graphics.lineStyle(0, 0, 0);
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| 41 | //set gradient fill
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| 42 |
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| 43 | var lighter:Number = Bar3D.Lighten( this.colour );
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| 44 |
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| 45 | var colors:Array = [this.colour,lighter];
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| 46 | var alphas:Array = [1,1];
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| 47 | var ratios:Array = [0,255];
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| 48 | var matrix:Matrix = new Matrix();
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| 49 | matrix.createGradientBox(w + 12, 12, (270 / 180) * Math.PI );
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| 50 | this.graphics.beginGradientFill('linear' /*GradientType.Linear*/, colors, alphas, ratios, matrix, 'pad'/*SpreadMethod.PAD*/ );
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| 51 |
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| 52 |
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| 53 | var y:Number = 0;
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| 54 | if( h<0 )
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| 55 | y = h;
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| 56 |
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| 57 | this.graphics.moveTo(0, y);
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| 58 | this.graphics.lineTo(w, y);
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| 59 | this.graphics.lineTo(w-12, y+12);
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| 60 | this.graphics.lineTo(-12, y+12);
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| 61 | this.graphics.endFill();
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| 62 | }
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| 63 |
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| 64 | private function draw_front( w:Number, h:Number ):void {
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| 65 | //
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| 66 | var rad:Number = 7;
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| 67 |
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| 68 | var lighter:Number = Bar3D.Lighten( this.colour );
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| 69 |
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| 70 | // Darken a light color
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| 71 | //var darker:Number = this.colour;
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| 72 | //darker &= 0x7F7F7F;
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| 73 |
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| 74 | var colors:Array = [lighter,this.colour];
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| 75 | var alphas:Array = [1,1];
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| 76 | var ratios:Array = [0, 127];
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| 77 |
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| 78 | var matrix:Matrix = new Matrix();
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| 79 | matrix.createGradientBox(w - 12, h+12, (90 / 180) * Math.PI );
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| 80 | this.graphics.beginGradientFill('linear' /*GradientType.Linear*/, colors, alphas, ratios, matrix, 'pad'/*SpreadMethod.PAD*/ );
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| 81 |
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| 82 | this.graphics.moveTo(-12, 12);
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| 83 | this.graphics.lineTo(-12, h+12);
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| 84 | this.graphics.lineTo(w-12, h+12);
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| 85 | this.graphics.lineTo(w-12, 12);
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| 86 | this.graphics.endFill();
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| 87 | }
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| 88 |
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| 89 | private function draw_side( w:Number, h:Number ):void {
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| 90 | //
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| 91 | var rad:Number = 7;
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| 92 |
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| 93 | var lighter:Number = Bar3D.Lighten( this.colour );
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| 94 |
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| 95 | var colors:Array = [this.colour,lighter];
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| 96 | var alphas:Array = [1,1];
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| 97 | var ratios:Array = [0,255];
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| 98 | var matrix:Matrix = new Matrix();
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| 99 | matrix.createGradientBox(w, h+12, (270 / 180) * Math.PI );
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| 100 | this.graphics.beginGradientFill('linear' /*GradientType.Linear*/, colors, alphas, ratios, matrix, 'pad'/*SpreadMethod.PAD*/ );
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| 101 |
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| 102 |
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| 103 | this.graphics.lineStyle(0, 0, 0);
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| 104 | this.graphics.moveTo(w, 0);
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| 105 | this.graphics.lineTo(w, h);
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| 106 | this.graphics.lineTo(w-12, h+12);
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| 107 | this.graphics.lineTo(w-12, 12);
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| 108 | this.graphics.endFill();
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| 109 | }
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| 110 |
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| 111 | //
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| 112 | // JG: lighten a colour by splitting it
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| 113 | // into RGB, then adding a bit to each
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| 114 | // value...
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| 115 | //
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| 116 | public static function Lighten( col:Number ):Number {
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| 117 | var rgb:Number = col; //decimal value for a purple color
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| 118 | var red:Number = (rgb & 16711680) >> 16; //extacts the red channel
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| 119 | var green:Number = (rgb & 65280) >> 8; //extacts the green channel
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| 120 | var blue:Number = rgb & 255; //extacts the blue channel
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| 121 | var p:Number = 2;
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| 122 | red += red/p;
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| 123 | if( red > 255 )
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| 124 | red = 255;
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| 125 |
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| 126 | green += green/p;
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| 127 | if( green > 255 )
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| 128 | green = 255;
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| 129 |
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| 130 | blue += blue/p;
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| 131 | if( blue > 255 )
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| 132 | blue = 255;
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| 133 |
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| 134 | return red << 16 | green << 8 | blue;
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| 135 | }
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| 136 | }
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| 137 | }
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