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Add option to skip first coordinate for use with closePath()

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This commit is contained in:
Andreas Hocevar
2016-09-13 01:54:53 +02:00
parent 430aee95fd
commit e7bc7121d6
6 changed files with 64 additions and 24 deletions
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12
src/ol/render/canvas/replay.js
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@@ -120,14 +120,18 @@ ol.inherits(ol.render.canvas.Replay, ol.render.VectorContext);
* @param {number} offset Offset.
* @param {number} end End.
* @param {number} stride Stride.
* @param {boolean} close Close.
* @param {boolean} closed Last input coordinate equals first.
* @param {boolean} skipFirst Skip first coordinate.
* @protected
* @return {number} My end.
*/
ol.render.canvas.Replay.prototype.appendFlatCoordinates = function(flatCoordinates, offset, end, stride, close) {
ol.render.canvas.Replay.prototype.appendFlatCoordinates = function(flatCoordinates, offset, end, stride, closed, skipFirst) {
var myEnd = this.coordinates.length;
var extent = this.getBufferedMaxExtent();
if (skipFirst) {
offset += stride;
}
var lastCoord = [flatCoordinates[offset], flatCoordinates[offset + 1]];
var nextCoord = [NaN, NaN];
var skipped = true;
@@ -157,8 +161,8 @@ ol.render.canvas.Replay.prototype.appendFlatCoordinates = function(flatCoordinat
lastRel = nextRel;
}
// When we want to close or there is only one point to append:
if ((close && skipped) || i === offset + stride) {
// Last coordinate equals first or only one point to append:
if ((closed && skipped) || i === offset + stride) {
this.coordinates[myEnd++] = lastCoord[0];
this.coordinates[myEnd++] = lastCoord[1];
}