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comparison dwtx/draw2d/PolygonDecoration.d @ 103:2d6540440fe6

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Replace static ctors with lazy init.
author Frank Benoit <benoit@tionex.de>
date Sun, 03 Aug 2008 17:01:51 +0200
parents 95307ad235d9
children
comparison
equal deleted inserted replaced
102:0de61c6f08ca 103:2d6540440fe6
31 : Polygon 31 : Polygon
32 , RotatableDecoration 32 , RotatableDecoration
33 { 33 {
34 34
35 /** Template for a triangle that points to the right when the rotation angle is 0 */ 35 /** Template for a triangle that points to the right when the rotation angle is 0 */
36 public static const PointList TRIANGLE_TIP; 36 private static bool initStaticConsts_done = false;
37 private static PointList TRIANGLE_TIP_;
37 /** Template for a triangle that points to the left when the rotation angle is 0 */ 38 /** Template for a triangle that points to the left when the rotation angle is 0 */
38 public static const PointList INVERTED_TRIANGLE_TIP; 39 private static PointList INVERTED_TRIANGLE_TIP_;
39 40
40 static this() { 41 public static PointList TRIANGLE_TIP(){
41 TRIANGLE_TIP = new PointList(); 42 if( !initStaticConsts_done ) initStaticConsts();
42 INVERTED_TRIANGLE_TIP = new PointList(); 43 return TRIANGLE_TIP_;
43 TRIANGLE_TIP.addPoint(0, 0); 44 }
44 TRIANGLE_TIP.addPoint(-1, 1); 45 public static PointList INVERTED_TRIANGLE_TIP(){
45 TRIANGLE_TIP.addPoint(-1, -1); 46 if( !initStaticConsts_done ) initStaticConsts();
47 return INVERTED_TRIANGLE_TIP_;
48 }
46 49
47 INVERTED_TRIANGLE_TIP.addPoint(0, 1); 50 private static void initStaticConsts() {
48 INVERTED_TRIANGLE_TIP.addPoint(0, -1); 51 synchronized( PolygonDecoration.classinfo ){
49 INVERTED_TRIANGLE_TIP.addPoint(-1, 0); 52 if( !initStaticConsts_done ){
53 TRIANGLE_TIP_ = new PointList();
54 TRIANGLE_TIP_.addPoint(0, 0);
55 TRIANGLE_TIP_.addPoint(-1, 1);
56 TRIANGLE_TIP_.addPoint(-1, -1);
57
58 INVERTED_TRIANGLE_TIP_ = new PointList();
59 INVERTED_TRIANGLE_TIP_.addPoint(0, 1);
60 INVERTED_TRIANGLE_TIP_.addPoint(0, -1);
61 INVERTED_TRIANGLE_TIP_.addPoint(-1, 0);
62
63 initStaticConsts_done = true;
64 }
65 }
50 } 66 }
51 67
52 private Point location; 68 private Point location;
53 private PointList template_; 69 private PointList template_;
54 private Transform transform; 70 private Transform transform;