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git-svn-id: http://svg-edit.googlecode.com/svn/trunk@2644 eee81c28-f429-11dd-99c0-75d572ba1ddd
This commit is contained in:
Brett Zamir
2014-01-31 02:13:37 +00:00
parent d12694f9fa
commit 75bd787023
11 changed files with 338 additions and 263 deletions
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25
editor/math.js
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@@ -1,3 +1,5 @@
/*globals svgedit*/
/*jslint vars: true, eqeq: true */
/**
* Package: svedit.math
*
@@ -10,7 +12,7 @@
// Dependencies:
// None.
(function() {
(function() {'use strict';
if (!svgedit.math) {
svgedit.math = {};
@@ -66,12 +68,12 @@ svgedit.math.matrixMultiply = function() {
var m1 = args[i-1];
m = m1.multiply(m);
}
if (Math.abs(m.a) < NEAR_ZERO) m.a = 0;
if (Math.abs(m.b) < NEAR_ZERO) m.b = 0;
if (Math.abs(m.c) < NEAR_ZERO) m.c = 0;
if (Math.abs(m.d) < NEAR_ZERO) m.d = 0;
if (Math.abs(m.e) < NEAR_ZERO) m.e = 0;
if (Math.abs(m.f) < NEAR_ZERO) m.f = 0;
if (Math.abs(m.a) < NEAR_ZERO) {m.a = 0;}
if (Math.abs(m.b) < NEAR_ZERO) {m.b = 0;}
if (Math.abs(m.c) < NEAR_ZERO) {m.c = 0;}
if (Math.abs(m.d) < NEAR_ZERO) {m.d = 0;}
if (Math.abs(m.e) < NEAR_ZERO) {m.e = 0;}
if (Math.abs(m.f) < NEAR_ZERO) {m.f = 0;}
return m;
};
@@ -85,11 +87,11 @@ svgedit.math.matrixMultiply = function() {
// Returns:
// Boolean on whether or not a matrix transform was found
svgedit.math.hasMatrixTransform = function(tlist) {
if (!tlist) return false;
if (!tlist) {return false;}
var num = tlist.numberOfItems;
while (num--) {
var xform = tlist.getItem(num);
if (xform.type == 1 && !svgedit.math.isIdentity(xform.matrix)) return true;
if (xform.type == 1 && !svgedit.math.isIdentity(xform.matrix)) {return true;}
}
return false;
};
@@ -166,7 +168,8 @@ svgedit.math.transformListToTransform = function(tlist, min, max) {
max = parseInt(max, 10);
if (min > max) { var temp = max; max = min; min = temp; }
var m = svg.createSVGMatrix();
for (var i = min; i <= max; ++i) {
var i;
for (i = min; i <= max; ++i) {
// if our indices are out of range, just use a harmless identity matrix
var mtom = (i >= 0 && i < tlist.numberOfItems ?
tlist.getItem(i).matrix :
@@ -238,4 +241,4 @@ svgedit.math.rectsIntersect = function(r1, r2) {
(r2.y+r2.height) > r1.y;
};
})();
}());