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Expose SvgCanvas.matrixMultiply() and add starting unit-test framework (QUnit) and first test.

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git-svn-id: http://svg-edit.googlecode.com/svn/trunk@1236 eee81c28-f429-11dd-99c0-75d572ba1ddd
This commit is contained in:
Jeff Schiller
2010-01-18 06:40:32 +00:00
parent e730f71947
commit d1e32d99d7
4 changed files with 1252 additions and 17 deletions
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31
editor/svgcanvas.js
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@@ -19,11 +19,8 @@ if(window.opera) {
window.console.log = function(str) {opera.postError(str);}
}
function SvgCanvas(container)
{
var isOpera = !!window.opera;
var isWebkit = navigator.userAgent.indexOf("AppleWebKit") != -1;
@@ -2168,20 +2165,19 @@ function BatchCommand(text) {
// on the SVGMatrix interface. See https://bugs.webkit.org/show_bug.cgi?id=16062
// This function tries to return a SVGMatrix that is the multiplication m1*m2.
// We also round to zero when it's near zero
var matrixMultiply = function() {
var NEAR_ZERO = 1e-14;
var multi2 = function(m1, m2) {
var m = svgroot.createSVGMatrix();
m.a = m1.a*m2.a + m1.c*m2.b;
m.b = m1.b*m2.a + m1.d*m2.b,
m.c = m1.a*m2.c + m1.c*m2.d,
m.d = m1.b*m2.c + m1.d*m2.d,
m.e = m1.a*m2.e + m1.c*m2.f + m1.e,
m.f = m1.b*m2.e + m1.d*m2.f + m1.f;
return m;
}
var args = arguments, i = args.length, m = args[i-1];
this.matrixMultiply = function() {
var NEAR_ZERO = 1e-14,
multi2 = function(m1, m2) {
var m = svgroot.createSVGMatrix();
m.a = m1.a*m2.a + m1.c*m2.b;
m.b = m1.b*m2.a + m1.d*m2.b,
m.c = m1.a*m2.c + m1.c*m2.d,
m.d = m1.b*m2.c + m1.d*m2.d,
m.e = m1.a*m2.e + m1.c*m2.f + m1.e,
m.f = m1.b*m2.e + m1.d*m2.f + m1.f;
return m;
},
args = arguments, i = args.length, m = args[i-1];
while(i-- > 1) {
var m1 = args[i-1];
@@ -2196,6 +2192,7 @@ function BatchCommand(text) {
return m;
}
var matrixMultiply = this.matrixMultiply;
// This returns a single matrix Transform for a given Transform List
// (this is the equivalent of SVGTransformList.consolidate() but unlike