}
},
+ // To be deprecated, converts itself (an arrayPath) to a proper SVG path string
path2string: function () {
return this.join(",").replace(Ext.draw.Draw.pathToStringRE, "$1");
},
+ // Convert the passed arrayPath to a proper SVG path string (d attribute)
+ pathToString: function(arrayPath) {
+ return arrayPath.join(",").replace(Ext.draw.Draw.pathToStringRE, "$1");
+ },
+
parsePathString: function (pathString) {
if (!pathString) {
return null;
pathClone: function(pathArray) {
var res = [],
- j,
- jj,
- i,
- ii;
+ j, jj, i, ii;
if (!this.is(pathArray, "array") || !this.is(pathArray && pathArray[0], "array")) { // rough assumption
pathArray = this.parsePathString(pathArray);
}
y = 0,
mx = 0,
my = 0,
- start = 0,
- i,
- ii,
- r,
- pa,
- j,
- jj,
- k,
- kk;
- if (pathArray[0][0] == "M") {
+ i = 0,
+ ln = pathArray.length,
+ r, pathSegment, j, ln2;
+ // MoveTo initial x/y position
+ if (ln && pathArray[0][0] == "M") {
x = +pathArray[0][1];
y = +pathArray[0][2];
mx = x;
my = y;
- start++;
+ i++;
res[0] = ["M", x, y];
}
- for (i = start, ii = pathArray.length; i < ii; i++) {
+ for (; i < ln; i++) {
r = res[i] = [];
- pa = pathArray[i];
- if (pa[0] != pa[0].toUpperCase()) {
- r[0] = pa[0].toUpperCase();
+ pathSegment = pathArray[i];
+ if (pathSegment[0] != pathSegment[0].toUpperCase()) {
+ r[0] = pathSegment[0].toUpperCase();
switch (r[0]) {
+ // Elliptical Arc
case "A":
- r[1] = pa[1];
- r[2] = pa[2];
- r[3] = pa[3];
- r[4] = pa[4];
- r[5] = pa[5];
- r[6] = +(pa[6] + x);
- r[7] = +(pa[7] + y);
+ r[1] = pathSegment[1];
+ r[2] = pathSegment[2];
+ r[3] = pathSegment[3];
+ r[4] = pathSegment[4];
+ r[5] = pathSegment[5];
+ r[6] = +(pathSegment[6] + x);
+ r[7] = +(pathSegment[7] + y);
break;
+ // Vertical LineTo
case "V":
- r[1] = +pa[1] + y;
+ r[1] = +pathSegment[1] + y;
break;
+ // Horizontal LineTo
case "H":
- r[1] = +pa[1] + x;
+ r[1] = +pathSegment[1] + x;
break;
case "M":
- mx = +pa[1] + x;
- my = +pa[2] + y;
+ // MoveTo
+ mx = +pathSegment[1] + x;
+ my = +pathSegment[2] + y;
default:
- for (j = 1, jj = pa.length; j < jj; j++) {
- r[j] = +pa[j] + ((j % 2) ? x : y);
+ j = 1;
+ ln2 = pathSegment.length;
+ for (; j < ln2; j++) {
+ r[j] = +pathSegment[j] + ((j % 2) ? x : y);
}
}
- } else {
- for (k = 0, kk = pa.length; k < kk; k++) {
- res[i][k] = pa[k];
+ }
+ else {
+ j = 0;
+ ln2 = pathSegment.length;
+ for (; j < ln2; j++) {
+ res[i][j] = pathSegment[j];
}
}
switch (r[0]) {
+ // ClosePath
case "Z":
x = mx;
y = my;
break;
+ // Horizontal LineTo
case "H":
x = r[1];
break;
+ // Vertical LineTo
case "V":
y = r[1];
break;
+ // MoveTo
case "M":
- mx = res[i][res[i].length - 2];
- my = res[i][res[i].length - 1];
+ pathSegment = res[i];
+ ln2 = pathSegment.length;
+ mx = pathSegment[ln2 - 2];
+ my = pathSegment[ln2 - 1];
default:
- x = res[i][res[i].length - 2];
- y = res[i][res[i].length - 1];
+ pathSegment = res[i];
+ ln2 = pathSegment.length;
+ x = pathSegment[ln2 - 2];
+ y = pathSegment[ln2 - 1];
}
}
res.toString = this.path2string;
return res;
},
+ // TO BE DEPRECATED
pathToRelative: function (pathArray) {
if (!this.is(pathArray, "array") || !this.is(pathArray && pathArray[0], "array")) {
pathArray = this.parsePathString(pathArray);
return res;
},
- //Returns a path converted to a set of curveto commands
+ // Returns a path converted to a set of curveto commands
path2curve: function (path) {
var me = this,
points = me.pathToAbsolute(path),
return newres;
}
},
-
- rotatePoint: function (x, y, alpha, cx, cy) {
- if (!alpha) {
- return {
- x: x,
- y: y
- };
- }
- cx = cx || 0;
- cy = cy || 0;
- x = x - cx;
- y = y - cy;
- alpha = alpha * this.radian;
- var cos = Math.cos(alpha),
- sin = Math.sin(alpha);
- return {
- x: x * cos - y * sin + cx,
- y: x * sin + y * cos + cy
- };
- },
+ // TO BE DEPRECATED
rotateAndTranslatePath: function (sprite) {
var alpha = sprite.rotation.degrees,
cx = sprite.rotation.x,
}
return res;
},
-
+
+ // TO BE DEPRECATED
+ rotatePoint: function (x, y, alpha, cx, cy) {
+ if (!alpha) {
+ return {
+ x: x,
+ y: y
+ };
+ }
+ cx = cx || 0;
+ cy = cy || 0;
+ x = x - cx;
+ y = y - cy;
+ alpha = alpha * this.radian;
+ var cos = Math.cos(alpha),
+ sin = Math.sin(alpha);
+ return {
+ x: x * cos - y * sin + cx,
+ y: x * sin + y * cos + cy
+ };
+ },
+
pathDimensions: function (path) {
if (!path || !(path + "")) {
return {x: 0, y: 0, width: 0, height: 0};
y = 0,
X = [],
Y = [],
- p,
- i,
- ii,
- xmin,
- ymin,
- dim;
- for (i = 0, ii = path.length; i < ii; i++) {
+ i = 0,
+ ln = path.length,
+ p, xmin, ymin, dim;
+ for (; i < ln; i++) {
p = path[i];
if (p[0] == "M") {
x = p[1];
height: Math.max.apply(0, Y) - ymin
};
},
-
+
+ intersectInside: function(path, cp1, cp2) {
+ return (cp2[0] - cp1[0]) * (path[1] - cp1[1]) > (cp2[1] - cp1[1]) * (path[0] - cp1[0]);
+ },
+
+ intersectIntersection: function(s, e, cp1, cp2) {
+ var p = [],
+ dcx = cp1[0] - cp2[0],
+ dcy = cp1[1] - cp2[1],
+ dpx = s[0] - e[0],
+ dpy = s[1] - e[1],
+ n1 = cp1[0] * cp2[1] - cp1[1] * cp2[0],
+ n2 = s[0] * e[1] - s[1] * e[0],
+ n3 = 1 / (dcx * dpy - dcy * dpx);
+
+ p[0] = (n1 * dpx - n2 * dcx) * n3;
+ p[1] = (n1 * dpy - n2 * dcy) * n3;
+ return p;
+ },
+
intersect: function(subjectPolygon, clipPolygon) {
- var cp1, cp2, s, e, point;
- var inside = function(p) {
- return (cp2[0]-cp1[0]) * (p[1]-cp1[1]) > (cp2[1]-cp1[1]) * (p[0]-cp1[0]);
- };
- var intersection = function() {
- var p = [];
- var dcx = cp1[0]-cp2[0],
- dcy = cp1[1]-cp2[1],
- dpx = s[0]-e[0],
- dpy = s[1]-e[1],
- n1 = cp1[0]*cp2[1] - cp1[1]*cp2[0],
- n2 = s[0]*e[1] - s[1]*e[0],
- n3 = 1 / (dcx*dpy - dcy*dpx);
-
- p[0] = (n1*dpx - n2*dcx) * n3;
- p[1] = (n1*dpy - n2*dcy) * n3;
- return p;
- };
- var outputList = subjectPolygon;
- cp1 = clipPolygon[clipPolygon.length -1];
- for (var i = 0, l = clipPolygon.length; i < l; ++i) {
+ var me = this,
+ i = 0,
+ ln = clipPolygon.length,
+ cp1 = clipPolygon[ln - 1],
+ outputList = subjectPolygon,
+ cp2, s, e, point, ln2, inputList, j;
+ for (; i < ln; ++i) {
cp2 = clipPolygon[i];
- var inputList = outputList;
+ inputList = outputList;
outputList = [];
- s = inputList[inputList.length -1];
- for (var j = 0, ln = inputList.length; j < ln; j++) {
+ s = inputList[inputList.length - 1];
+ j = 0;
+ ln2 = inputList.length;
+ for (; j < ln2; j++) {
e = inputList[j];
- if (inside(e)) {
- if (!inside(s)) {
- outputList.push(intersection());
+ if (me.intersectInside(e, cp1, cp2)) {
+ if (!me.intersectInside(s, cp1, cp2)) {
+ outputList.push(me.intersectIntersection(s, e, cp1, cp2));
}
outputList.push(e);
- } else if (inside(s)) {
- outputList.push(intersection());
+ }
+ else if (me.intersectInside(s, cp1, cp2)) {
+ outputList.push(me.intersectIntersection(s, e, cp1, cp2));
}
s = e;
}
}
return outputList;
},
-
+
curveDim: function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {
var a = (c2x - 2 * c1x + p1x) - (p2x - 2 * c2x + c1x),
b = 2 * (c1x - p1x) - 2 * (c2x - c1x),
git.ithinksw.org / extjs.git / blobdiff