[canviz] r492 committed - support strikethrough for dom text

[can...@googlecode.com]

Revision: 492
Author: ryandesign.com
Date: Tue Sep 17 18:55:42 2013 UTC
Log: support strikethrough for dom text

http://code.google.com/p/canviz/source/detail?r=492

Modified:
/canviz/trunk/src/Entity.js

=======================================
--- /canviz/trunk/src/Entity.js Tue Sep 17 18:46:18 2013 UTC
+++ /canviz/trunk/src/Entity.js Tue Sep 17 18:55:42 2013 UTC
@@ -5,6 +5,7 @@
var TEXT_ALIGNMENTS = ['left', 'center', 'right'];
var TEXT_BOLD = 1;
var TEXT_ITALIC = 2;
+var TEXT_STRIKETHROUGH = 32;
var TEXT_SUBSCRIPT = 16;
var TEXT_SUPERSCRIPT = 8;
var TEXT_UNDERLINE = 4;
@@ -263,6 +264,9 @@
}
text.innerHTML = str;
var style = text.style;
+ var decorations = [];
+ if (textStyle & TEXT_STRIKETHROUGH)
decorations.push('line-through');
+ if (textStyle & TEXT_UNDERLINE)
decorations.push('underline');
style.color = strokeColor.textColor;
style.fontFamily = fontFamily;
style.fontSize = ctxScale * bbScale * fontSize
+ 'px';
@@ -271,7 +275,7 @@
style.left = ctxScale * (this.canviz.marginX +
bbScale * (this.canviz.paddingX + x - textAlignIndex * textWidth)) + 'px';
style.position = 'absolute';
style.textAlign = textAlign;
- style.textDecoration = textStyle &
TEXT_UNDERLINE ? 'underline' : 'none';
+ style.textDecoration = decorations.length ?
decorations.join(' ') : 'none';
style.top = ctxScale * (this.canviz.marginY +
bbScale * (this.canviz.paddingY + (this.canviz.invertY ? this.canviz.height
- baseline : baseline) - getBaseline(fontFamily, fontSize,
style.fontWeight, style.fontStyle))) + 'px';
style.width = ctxScale * bbScale * 2 * textWidth
+ 'px';
if (strokeColor.opacity < 1) setOpacity(text,
strokeColor.opacity);