scratchfoundation/paper.js
1
0
Fork 0
mirror of https://github.com/scratchfoundation/paper.js.git synced 2025-01-20 22:39:50 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

new Boolean operator functions

Browse source
This commit is contained in:
hkrish 2013-12-29 13:40:22 +01:00
parent 3b85d3d990
commit f2168b48cb
1 changed files with 19 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

34
src/path/PathItem.Boolean.js
View file

@ -261,11 +261,11 @@ PathItem.inject(new function() {
* @param {PathItem} path the path to unite with
* @return {PathItem} the resulting path item
*/
unite: function(path) {
unite: function(path, ret) {
if (!path)
return this;
return computeBoolean(this, path,
function(isPath1, isInPath1, isInPath2) {
return isInPath1 || isInPath2;
});
function(w) { return w === 1 || w === 0; }, false, false, ret);
},
/**
@ -275,11 +275,11 @@ PathItem.inject(new function() {
* @param {PathItem} path the path to intersect with
* @return {PathItem} the resulting path item
*/
intersect: function(path) {
intersect: function(path, ret) {
if (!path)
return this;
return computeBoolean(this, path,
function(isPath1, isInPath1, isInPath2) {
return !(isInPath1 || isInPath2);
});
function(w) { return w === 2; }, false, false, ret);
},
/**
@ -290,15 +290,12 @@ PathItem.inject(new function() {
* @return {PathItem} the resulting path item
*/
subtract: function(path) {
if (!path)
return this;
return computeBoolean(this, path,
function(isPath1, isInPath1, isInPath2) {
return isPath1 && isInPath2 || !isPath1 && !isInPath1;
}, true);
function(w) { return w === 1; }, true, true);
},
// Compound boolean operators combine the basic boolean operations such
// as union, intersection, subtract etc.
// TODO: cache the split objects and find a way to properly clone them!
/**
* Excludes the intersection of the geometry of the specified path with
* this path's geometry and returns the result as a new group item.
@ -307,9 +304,14 @@ PathItem.inject(new function() {
* @return {Group} the resulting group item
*/
exclude: function(path) {
return new Group([this.subtract(path), path.subtract(this)]);
if (!path)
return this;
return computeBoolean(this, path,
function(w) { return w === 1 || w === 0; }, true, false);
},
// Compound boolean operators combine the basic boolean operations such
// as union, intersection, subtract etc.
/**
* Splits the geometry of this path along the geometry of the specified
* path returns the result as a new group item.
@ -318,6 +320,8 @@ PathItem.inject(new function() {
* @return {Group} the resulting group item
*/
divide: function(path) {
if (!path)
return this;
return new Group([this.subtract(path), this.intersect(path)]);
}
};