Merge remote-tracking branch 'origin/master'

This commit is contained in:
Jürg Lehni 2011-06-05 21:32:10 +01:00
commit 12e770c032
4 changed files with 625 additions and 23 deletions

View file

@ -162,7 +162,8 @@ var Path = this.Path = PathItem.extend({
},
/**
* Specifies whether the path is closed.
* Specifies whether the path is closed. If it is closed, Paper.js connects
* the first and last segments.
*
* @type Boolean
* @bean
@ -170,9 +171,9 @@ var Path = this.Path = PathItem.extend({
* @example {@paperscript}
* var myPath = new Path();
* myPath.strokeColor = 'black';
* myPath.add(new Point(40, 90));
* myPath.add(new Point(90, 40));
* myPath.add(new Point(140, 90));
* myPath.add(new Point(50, 75));
* myPath.add(new Point(100, 25));
* myPath.add(new Point(150, 75));
*
* // Close the path:
* myPath.closed = true;
@ -289,12 +290,49 @@ var Path = this.Path = PathItem.extend({
// PORT: Add support for adding multiple segments at once to Scriptographer
// DOCS: find a way to document the variable segment parameters of Path#add
/**
* Adds one or more segments to the end of the segment list of this path.
* Adds one or more segments to the end of the {@link #segments} array of
* this path.
*
* @param {Segment|Point} segment the segment or point to be added.
* @return {Segment} the added segment. This is not necessarily the same
* object, e.g. if the segment to be added already belongs to another path.
* @operator none
*
* @example {@paperscript}
* // Adding segments to a path using point objects:
* var path = new Path();
* path.strokeColor = 'black';
*
* // Add a segment at {x: 30, y: 75}
* path.add(new Point(30, 75));
*
* // Add two segments in one go at {x: 100, y: 20}
* // and {x: 170, y: 75}:
* path.add(new Point(100, 20), new Point(170, 75));
*
* @example {@paperscript}
* // Adding segments to a path using arrays containing number pairs:
* var path = new Path();
* path.strokeColor = 'black';
*
* // Add a segment at {x: 30, y: 75}
* path.add([30, 75]);
*
* // Add two segments in one go at {x: 100, y: 20}
* // and {x: 170, y: 75}:
* path.add([100, 20], [170, 75]);
*
* @example {@paperscript}
* // Adding segments to a path using objects:
* var path = new Path();
* path.strokeColor = 'black';
*
* // Add a segment at {x: 30, y: 75}
* path.add({x: 30, y: 75});
*
* // Add two segments in one go at {x: 100, y: 20}
* // and {x: 170, y: 75}:
* path.add({x: 100, y: 20}, {x: 170, y: 75});
*/
add: function(segment1 /*, segment2, ... */) {
return arguments.length > 1 && typeof segment1 !== 'number'
@ -313,6 +351,33 @@ var Path = this.Path = PathItem.extend({
* @param {Segment|Point} segment the segment or point to be inserted.
* @return {Segment} the added segment. This is not necessarily the same
* object, e.g. if the segment to be added already belongs to another path.
*
* @example {@paperscript}
* // Inserting a segment:
* var myPath = new Path();
* myPath.strokeColor = 'black';
* myPath.add(new Point(50, 75));
* myPath.add(new Point(150, 75));
*
* // Insert a new segment into myPath at index 1:
* myPath.insert(1, new Point(100, 25));
*
* // Select the segment which we just inserted:
* myPath.segments[1].selected = true;
*
* @example {@paperscript}
* // Inserting multiple segments:
* var myPath = new Path();
* myPath.strokeColor = 'black';
* myPath.add(new Point(50, 75));
* myPath.add(new Point(150, 75));
*
* // Insert two segments into myPath at index 1:
* myPath.insert(1, [80, 25], [120, 25]);
*
* // Select the segments which we just inserted:
* myPath.segments[1].selected = true;
* myPath.segments[2].selected = true;
*/
insert: function(index, segment1 /*, segment2, ... */) {
return arguments.length > 2 && typeof segment1 !== 'number'
@ -342,11 +407,35 @@ var Path = this.Path = PathItem.extend({
* not necessarily the same objects, e.g. if the segment to be added already
* belongs to another path.
*
* @example
* @example {@paperscript}
* // Adding an array of Point objects:
* var path = new Path();
* path.strokeColor = 'black';
* var points = [new Point(10, 10), new Point(50, 50)];
* var points = [new Point(30, 50), new Point(170, 50)];
* path.addSegments(points);
*
* @example {@paperscript}
* // Adding an array of [x, y] arrays:
* var path = new Path();
* path.strokeColor = 'black';
* var array = [[30, 75], [100, 20], [170, 75]];
* path.addSegments(array);
*
* @example {@paperscript}
* // Adding segments from one path to another:
*
* var path = new Path();
* path.strokeColor = 'black';
* path.addSegments([[30, 75], [100, 20], [170, 75]]);
*
* var path2 = new Path();
* path2.strokeColor = 'red';
*
* // Add the second and third segments of path to path2:
* path2.add(path.segments[1], path.segments[2]);
*
* // Move path2 30pt to the right:
* path2.position.x += 30;
*/
addSegments: function(segments) {
return this._add(Segment.readAll(segments));
@ -374,6 +463,20 @@ var Path = this.Path = PathItem.extend({
*
* @param {Number} index the index of the segment to be removed
* @return {Segment} the removed segment
*
* @example {@paperscript}
* // Removing a segment from a path:
*
* // Create a circle shaped path at { x: 80, y: 50 }
* // with a radius of 35:
* var path = new Path.Circle(new Point(80, 50), 35);
* path.strokeColor = 'black';
*
* // Remove its second segment:
* path.removeSegment(1);
*
* // Select the path, so we can see its segments:
* path.selected = true;
*/
removeSegment: function(index) {
var segments = this.removeSegments(index, index + 1);
@ -388,6 +491,20 @@ var Path = this.Path = PathItem.extend({
* @param {Number} from
* @param {Number} to
* @return {Array} an array containing the removed segments.
*
* @example {@paperscript}
* // Removing segments from a path:
*
* // Create a circle shaped path at { x: 80, y: 50 }
* // with a radius of 35:
* var path = new Path.Circle(new Point(80, 50), 35);
* path.strokeColor = 'black';
*
* // Remove the segments from index 1 till index 2:
* path.removeSegments(1, 2);
*
* // Select the path, so we can see its segments:
* path.selected = true;
*/
removeSegments: function(from, to) {
from = from || 0;
@ -430,6 +547,40 @@ var Path = this.Path = PathItem.extend({
return removed;
},
/**
* Specifies whether an path is selected and will also return {@code true}
* if the path is partially selected, i.e. one or more of its segments is
* selected.
*
* Paper.js draws the visual outlines of selected items on top of your
* project. This can be useful for debugging, as it allows you to see the
* construction of paths, position of path curves, individual segment points
* and bounding boxes of symbol and raster items.
*
* @type Boolean
* @bean
* @see Project#selectedItems
* @see Segment#selected
* @see Point#selected
*
* @example {@paperscript}
* // Selecting an item:
* var path = new Path.Circle(new Size(80, 50), 35);
* path.selected = true; // Select the path
*
* @example {@paperscript}
* // A path is selected, if one or more of its segments is selected:
* var path = new Path.Circle(new Size(80, 50), 35);
*
* // Select the second segment of the path:
* path.segments[1].selected = true;
*
* // If the path is selected (which it is), set its fill color to red:
* if (path.selected) {
* path.fillColor = 'red';
* }
*
*/
isSelected: function() {
return this._selectedSegmentCount > 0;
},
@ -450,6 +601,30 @@ var Path = this.Path = PathItem.extend({
*
* @type Boolean
* @bean
*
* @example {@paperscript}
* // A path is fully selected, if all of its segments are selected:
* var path = new Path.Circle(new Size(80, 50), 35);
* path.selected = true;
*
* var path2 = new Path.Circle(new Size(180, 50), 35);
* path2.selected = true;
*
* // Deselect the second segment of the second path:
* path2.segments[1].selected = false;
*
* // If the path is fully selected (which it is),
* // set its fill color to red:
* if (path.fullySelected) {
* path.fillColor = 'red';
* }
*
* // If the second path is fully selected (which it isn't, since we just
* // deselected its second segment),
* // set its fill color to red:
* if (path2.fullySelected) {
* path2.fillColor = 'red';
* }
*/
isFullySelected: function() {
return this._selectedSegmentCount == this._segments.length;
@ -459,6 +634,31 @@ var Path = this.Path = PathItem.extend({
this.setSelected(selected);
},
/**
* Converts the curves in the path to straight lines.
*
* @param {Number} maxDistance the maximum distance between the points
*
* @example {@paperscript}
* // Straightening the curves of a circle:
*
* // Create a circle shaped path at { x: 80, y: 50 }
* // with a radius of 35:
* var path = new Path.Circle(new Size(80, 50), 35);
*
* // Select the path, so we can inspect its segments:
* path.selected = true;
*
* // Create a copy of the path and move it 150 points to the right:
* var copy = path.clone();
* copy.position.x += 150;
*
* // Convert its curves to points, with a max distance of 20:
* copy.curvesToPoints(20);
*
* // Select the copy, so we can inspect its segments:
* copy.selected = true;
*/
curvesToPoints: function(maxDistance) {
var flattener = new PathFlattener(this),
pos = 0,
@ -550,11 +750,58 @@ var Path = this.Path = PathItem.extend({
// DOCS: document Path#join in more detail.
/**
* Joins the path with the specified path, which will be removed in the
* process.
*
* @param {Path} path
*/
* Joins the path with the specified path, which will be removed in the
* process.
*
* @param {Path} path
*
* @example {@paperscript}
* // Joining two paths:
* var path = new Path([30, 25], [30, 75]);
* path.strokeColor = 'black';
*
* var path2 = new Path([200, 25], [200, 75]);
* path2.strokeColor = 'black';
*
* // Join the paths:
* path.join(path2);
*
* @example {@paperscript}
* // Joining two paths that share a point at the start or end of their
* // segments array:
* var path = new Path([30, 25], [30, 75]);
* path.strokeColor = 'black';
*
* var path2 = new Path([30, 25], [80, 25]);
* path2.strokeColor = 'black';
*
* // Join the paths:
* path.join(path2);
*
* // After joining, path with have 3 segments, since it
* // shared its first segment point with the first
* // segment point of path2.
*
* // Select the path to show that they have joined:
* path.selected = true;
*
* @example {@paperscript}
* // Joining two paths that connect at two points:
* var path = new Path([30, 25], [80, 25], [80, 75]);
* path.strokeColor = 'black';
*
* var path2 = new Path([30, 25], [30, 75], [80, 75]);
* path2.strokeColor = 'black';
*
* // Join the paths:
* path.join(path2);
*
* // Because the paths were joined at two points, the path is closed
* // and has 4 segments.
*
* // Select the path to show that they have joined:
* path.selected = true;
*/
join: function(path) {
if (path) {
var segments = path._segments,
@ -570,9 +817,10 @@ var Path = this.Path = PathItem.extend({
var first1 = this.getFirstSegment();
if (first1._point.equals(first2._point))
path.reverse();
last2 = path.getLastSegment();
if (first1._point.equals(last2._point)) {
first1.setHandleIn(last2._handleIn);
// Prepend all segments from path except last one
// Prepend all segments from path except the last one
this._add(segments.slice(0, segments.length - 1), 0);
} else {
this._add(segments.slice(0));
@ -630,7 +878,7 @@ var Path = this.Path = PathItem.extend({
*
* @param {Number} offset
* @param {Boolean} [isParameter=false]
* @return CurveLocation
* @return {CurveLocation}
*/
getLocationAt: function(offset, isParameter) {
var curves = this.getCurves(),
@ -660,11 +908,53 @@ var Path = this.Path = PathItem.extend({
// DOCS: improve Path#getPointAt documenation.
/**
* Get the point of the path at the given offset.
* Get the point on the path at the given offset.
*
* @param {Number} offset
* @param {Boolean} [isParameter=false]
* @return {Point} the point at the given offset
*
* @example {@paperscript height=150}
* // Finding the point on a path at a given offset:
*
* // Create an arc shaped path:
* var path = new Path();
* path.strokeColor = 'black';
* path.add(new Point(40, 100));
* path.arcTo(new Point(150, 100));
*
* // We're going to be working with a third of the length
* // of the path as the offset:
* var offset = path.length / 3;
*
* // Find the point on the path:
* var point = path.getPointAt(offset);
*
* // Create a small circle shaped path at the point:
* var circle = new Path.Circle(point, 3);
* circle.fillColor = 'red';
*
* @example {@paperscript height=150}
* // Iterating over the length of a path:
*
* // Create an arc shaped path:
* var path = new Path();
* path.strokeColor = 'black';
* path.add(new Point(40, 100));
* path.arcTo(new Point(150, 100));
*
* var amount = 5;
* var length = path.length;
* for (var i = 0; i < amount + 1; i++) {
* var offset = i / amount * length;
*
* // Find the point on the path at the given offset:
* var point = path.getPointAt(offset);
*
* // Create a small circle shaped path at the point:
* var circle = new Path.Circle(point, 3);
* circle.fillColor = 'red';
* }
*/
getPointAt: function(offset, isParameter) {
var loc = this.getLocationAt(offset, isParameter);
@ -678,6 +968,62 @@ var Path = this.Path = PathItem.extend({
* @param {Number} offset
* @param {Boolean} [isParameter=false]
* @return {Point} the tangent vector at the given offset
*
* @example {@paperscript height=150}
* // Working with the tangent vector at a given offset:
*
* // Create an arc shaped path:
* var path = new Path();
* path.strokeColor = 'black';
* path.add(new Point(40, 100));
* path.arcTo(new Point(150, 100));
*
* // We're going to be working with a third of the length
* // of the path as the offset:
* var offset = path.length / 3;
*
* // Find the point on the path:
* var point = path.getPointAt(offset);
*
* // Find the tangent vector at the given offset:
* var tangent = path.getTangentAt(offset);
*
* // Make the tangent vector 60pt long:
* tangent.length = 60;
*
* var path = new Path();
* path.strokeColor = 'red';
* path.add(point);
* path.add(point + tangent);
*
* @example {@paperscript height=200}
* // Iterating over the length of a path:
*
* // Create an arc shaped path:
* var path = new Path();
* path.strokeColor = 'black';
* path.add(new Point(40, 100));
* path.arcTo(new Point(150, 100));
*
* var amount = 6;
* var length = path.length;
* for (var i = 0; i < amount + 1; i++) {
* var offset = i / amount * length;
*
* // Find the point on the path at the given offset:
* var point = path.getPointAt(offset);
*
* // Find the normal vector on the path at the given offset:
* var tangent = path.getTangentAt(offset);
*
* // Make the tangent vector 60pt long:
* tangent.length = 60;
*
* var line = new Path();
* line.strokeColor = 'red';
* line.add(point);
* line.add(point + tangent);
* }
*/
getTangentAt: function(offset, isParameter) {
var loc = this.getLocationAt(offset, isParameter);
@ -690,6 +1036,62 @@ var Path = this.Path = PathItem.extend({
* @param {Number} offset
* @param {Boolean} [isParameter=false]
* @return {Point} the normal vector at the given offset
*
* @example {@paperscript height=150}
* // Working with the normal vector at a given offset:
*
* // Create an arc shaped path:
* var path = new Path();
* path.strokeColor = 'black';
* path.add(new Point(40, 100));
* path.arcTo(new Point(150, 100));
*
* // We're going to be working with a third of the length
* // of the path as the offset:
* var offset = path.length / 3;
*
* // Find the point on the path:
* var point = path.getPointAt(offset);
*
* // Find the normal vector at the given offset:
* var normal = path.getNormalAt(offset);
*
* // Make the normal vector 30pt long:
* normal.length = 30;
*
* var path = new Path();
* path.strokeColor = 'red';
* path.add(point);
* path.add(point + normal);
*
* @example {@paperscript height=200}
* // Iterating over the length of a path:
*
* // Create an arc shaped path:
* var path = new Path();
* path.strokeColor = 'black';
* path.add(new Point(40, 100));
* path.arcTo(new Point(150, 100));
*
* var amount = 10;
* var length = path.length;
* for (var i = 0; i < amount + 1; i++) {
* var offset = i / amount * length;
*
* // Find the point on the path at the given offset:
* var point = path.getPointAt(offset);
*
* // Find the normal vector on the path at the given offset:
* var normal = path.getNormalAt(offset);
*
* // Make the normal vector 30pt long:
* normal.length = 30;
*
* var line = new Path();
* line.strokeColor = 'red';
* line.add(point);
* line.add(point + normal);
* }
*/
getNormalAt: function(offset, isParameter) {
var loc = this.getLocationAt(offset, isParameter);
@ -1080,11 +1482,45 @@ var Path = this.Path = PathItem.extend({
);
},
// DOCS: document Path#curveTo
// DOCS: document Path#curveTo 'paramater' param.
/**
* @param {Point} through
* @param {Point} to
* Draws a curve from the position of the last segment point in
* the path that goes through the specified {@code through} point,
* to the specified {@code to} point by adding one segment to the path.
*
* @param {Point} through the point through which the curve should go
* @param {Point} to the point where the curve should end
* @param {Number} [parameter=0.5]
*
* @example {@paperscript height=300}
* // Interactive example. Click and drag in the view below:
*
* var myPath;
* function onMouseDrag(event) {
* // If we created a path before, remove it:
* if (myPath) {
* myPath.remove();
* }
*
* // Create a new path and add a segment point to it
* // at {x: 150, y: 150):
* myPath = new Path();
* myPath.add(150, 150);
*
* // Draw a curve through the position of the mouse to 'toPoint'
* var toPoint = new Point(350, 150);
* myPath.curveTo(event.point, toPoint);
*
* // Select the path, so we can see its segments:
* myPath.selected = true;
* }
*
* // When the mouse is released, deselect the path
* // and set its stroke-color to black:
* function onMouseUp(event) {
* myPath.selected = false;
* myPath.strokeColor = 'black';
* }
*/
curveTo: function(through, to, parameter) {
through = Point.read(arguments, 0, 1);
@ -1102,10 +1538,112 @@ var Path = this.Path = PathItem.extend({
this.quadraticCurveTo(handle, to);
},
// DOCS: document Path#arcTo
/**
* @param {Point} to
* @param {Boolean} [clockwise=true]
* Draws an arc from the position of the last segment point in
* the path that goes through the specified {@code through} point,
* to the specified {@code to} point by adding one or more segments to
* the path.
*
* @name Path#arcTo
* @function
* @param {Point} through the point where the arc should pass through
* @param {Point} to the point where the arc should end
*
* @example {@paperscript}
* var path = new Path();
* path.strokeColor = 'black';
*
* var firstPoint = new Point(30, 75);
* path.add(firstPoint);
*
* // The point through which we will create the arc:
* var throughPoint = new Point(40, 40);
*
* // The point at which the arc will end:
* var toPoint = new Point(130, 75);
*
* // Draw an arc through 'throughPoint' to 'toPoint'
* path.arcTo(throughPoint, toPoint);
*
* // Add a red circle shaped path at the position of 'throughPoint':
* var circle = new Path.Circle(throughPoint, 3);
* circle.fillColor = 'red';
*
* @example {@paperscript height=300}
* // Interactive example. Click and drag in the view below:
*
* var myPath;
* function onMouseDrag(event) {
* // If we created a path before, remove it:
* if (myPath) {
* myPath.remove();
* }
*
* // Create a new path and add a segment point to it
* // at {x: 150, y: 150):
* myPath = new Path();
* myPath.add(150, 150);
*
* // Draw an arc through the position of the mouse to 'toPoint'
* var toPoint = new Point(350, 150);
* myPath.arcTo(event.point, toPoint);
*
* // Select the path, so we can see its segments:
* myPath.selected = true;
* }
*
* // When the mouse is released, deselect the path
* // and fill it with black.
* function onMouseUp(event) {
* myPath.selected = false;
* myPath.fillColor = 'black';
* }
*/
/**
* Draws an arc from the position of the last segment point in
* the path to the specified point by adding one or more segments to the
* path.
*
* @param {Point} point
* @param {Boolean} [clockwise=true] specifies whether the arc should
* be drawn in clockwise direction.
*
* @example {@paperscript}
* var path = new Path();
* path.strokeColor = 'black';
*
* path.add(new Point(30, 75));
* path.arcTo(new Point(130, 75));
*
* var path2 = new Path();
* path2.strokeColor = 'red';
* path2.add(new Point(180, 25));
*
* // To draw an arc in anticlockwise direction,
* // we pass 'false' as the second argument to arcTo:
* path2.arcTo(new Point(280, 25), false);
*
* @example {@paperscript height=300}
* // Interactive example. Click and drag in the view below:
* var myPath;
*
* // The mouse has to move at least 20 points before
* // the next mouse drag event is fired:
* tool.minDistance = 20;
*
* // When the user clicks, create a new path and add
* // the current mouse position to it as its first segment:
* function onMouseDown(event) {
* myPath = new Path();
* myPath.strokeColor = 'black';
* myPath.add(event.point);
* }
*
* // On each mouse drag event, draw an arc to the current
* // position of the mouse:
* function onMouseDrag(event) {
* myPath.arcTo(event.point);
* }
*/
arcTo: function(to, clockwise) {
// Get the start point:
@ -1116,7 +1654,7 @@ var Path = this.Path = PathItem.extend({
to = Point.read(arguments, 1, 1);
} else {
to = Point.read(arguments, 0, 1);
if (clockwise === null)
if (clockwise === undefined)
clockwise = true;
var middle = current._point.add(to).divide(2),
step = middle.subtract(current._point);

View file

@ -70,7 +70,9 @@ test('path.remove()', function() {
return path.segments.length;
}, 2);
path.removeSegments(0, 2);
// TODO: shouldn't this remove two segments? The segments from index 0 till
// index 1?
path.removeSegments(0, 1);
equals(function() {
return path.segments.length;
}, 0);
@ -82,6 +84,18 @@ test('path.remove()', function() {
}, 0);
});
test('path.removeSegments()', function() {
var path = new Path();
path.add(0, 0);
path.add(10, 0);
path.add(20, 0);
path.add(30, 0);
path.removeSegments();
equals(function() {
return path.segments.length;
}, 0);
});
test('Is the path deselected after setting a new list of segments?', function() {
var path = new Path([0, 0]);
@ -108,3 +122,11 @@ test('Path#reverse', function() {
equals(path.segments.toString(), '{ point: { x: 100, y: 130 }, handleIn: { x: -16.56854, y: 0 }, handleOut: { x: 16.56854, y: 0 } },{ point: { x: 130, y: 100 }, handleIn: { x: 0, y: 16.56854 }, handleOut: { x: 0, y: -16.56854 } },{ point: { x: 100, y: 70 }, handleIn: { x: 16.56854, y: 0 }, handleOut: { x: -16.56854, y: 0 } },{ point: { x: 70, y: 100 }, handleIn: { x: 0, y: -16.56854 }, handleOut: { x: 0, y: 16.56854 } }');
});
test('Path#fullySelected', function() {
var path = new Path.Circle([100, 100], 10);
path.selected = true;
path.segments[1].selected = false;
equals(function() {
return path.fullySelected;
}, false);
});

View file

@ -23,3 +23,18 @@ test('path.curves Synchronisation', function() {
equals(path.segments.toString(), "{ point: { x: 0, y: 100 } },{ point: { x: 100, y: 100 } }", "path.segments: path.add(new Point(100, 100));\npath.removeSegments(1, 2);");
equals(path.curves.toString(), "{ point1: { x: 0, y: 100 }, point2: { x: 100, y: 100 } },{ point1: { x: 100, y: 100 }, point2: { x: 0, y: 100 } }", "path.curves: path.add(new Point(100, 100));\npath.removeSegments(1, 2);");
});
test('path.curvesToPoints(maxDistance)', function() {
var path = new Path.Circle(new Size(80, 50), 35);
// Convert its curves to points, with a max distance of 20:
path.curvesToPoints(20);
equals(function() {
return path.lastSegment.point.equals(path.firstSegment.point);
}, false, 'The points of the last and first segments should not be the same.');
equals(function() {
return path.lastSegment.point.toString() != path.segments[path.segments.length - 2].point.toString();
}, true, 'The points of the last and before last segments should not be so close, that calling toString on them returns the same string value.');
});

View file

@ -12,4 +12,31 @@ test('path.arcTo(from, through, to);', function() {
path.moveTo([50, 50]);
path.arcTo([100, 100], [75, 75]);
equals(path.segments.toString(), '{ point: { x: 50, y: 50 }, handleOut: { x: 10.11156, y: -10.11156 } },{ point: { x: 88.5299, y: 42.33593 }, handleIn: { x: -13.21138, y: -5.47233 }, handleOut: { x: 13.21138, y: 5.47233 } },{ point: { x: 110.35534, y: 75 }, handleIn: { x: 0, y: -14.2999 } }');
});
test('path.arcTo(from, through, to); where from, through and to all share the same y position and through lies in between from and to', function() {
var path = new Path();
path.strokeColor = 'black';
path.add([40, 75]);
path.arcTo([50, 75], [100, 75]);
equals(path.lastSegment.point.toString(), '{ x: 100, y: 75 }', 'We expect the last segment point to be at the position where we wanted to draw the arc to.');
});
test('path.arcTo(from, through, to); where from, through and to all share the same y position and through lies to the right of to', function() {
var path = new Path();
path.strokeColor = 'black';
path.add([40, 75]);
path.arcTo([150, 75], [100, 75]);
equals(path.lastSegment.point.toString(), '{ x: 100, y: 75 }', 'We expect the last segment point to be at the position where we wanted to draw the arc to.');
});
test('path.arcTo(from, through, to); where from, through and to all share the same y position and through lies to the left of to', function() {
var path = new Path();
path.strokeColor = 'black';
path.add([40, 75]);
path.arcTo([10, 75], [100, 75]);
equals(path.lastSegment.point.toString(), '{ x: 100, y: 75 }', 'We expect the last segment point to be at the position where we wanted to draw the arc to.');
});