diff options
Diffstat (limited to 'js/lib/geom')
-rwxr-xr-x | js/lib/geom/sub-path.js | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/js/lib/geom/sub-path.js b/js/lib/geom/sub-path.js index f765b715..ba277197 100755 --- a/js/lib/geom/sub-path.js +++ b/js/lib/geom/sub-path.js | |||
@@ -54,7 +54,7 @@ var GLSubpath = function GLSubpath() { | |||
54 | //drawing context | 54 | //drawing context |
55 | this._world = null; | 55 | this._world = null; |
56 | this._canvas = null; //todo this might be unnecessary (but faster) since we can get it from the world | 56 | this._canvas = null; //todo this might be unnecessary (but faster) since we can get it from the world |
57 | 57 | ||
58 | //tool that owns this subpath | 58 | //tool that owns this subpath |
59 | this._drawingTool = null; | 59 | this._drawingTool = null; |
60 | 60 | ||
@@ -207,24 +207,25 @@ GLSubpath.prototype.geomType = function () { | |||
207 | GLSubpath.prototype.setWidth = function (newW) { | 207 | GLSubpath.prototype.setWidth = function (newW) { |
208 | var strokeWidth = this._strokeWidth; | 208 | var strokeWidth = this._strokeWidth; |
209 | var halfStrokeWidth = strokeWidth*0.5; | 209 | var halfStrokeWidth = strokeWidth*0.5; |
210 | if (newW<1) { | 210 | var minWidth = 1+strokeWidth; |
211 | newW=1; //clamp minimum width to 1 | 211 | if (newW<minWidth) { |
212 | newW=minWidth; | ||
212 | } | 213 | } |
213 | 214 | ||
214 | //scale the contents of this subpath to lie within this width | 215 | //scale the contents of this subpath to lie within this width |
215 | //determine the scale factor by comparing with the old width | 216 | //determine the scale factor by comparing with the old width |
216 | var oldWidth = this._BBoxMax[0]-this._BBoxMin[0]; | 217 | var oldCanvasWidth = this._BBoxMax[0]-this._BBoxMin[0]; |
217 | if (oldWidth<1) { | 218 | if (oldCanvasWidth<minWidth) { |
218 | oldWidth=1; | 219 | oldCanvasWidth=minWidth; |
219 | } | 220 | } |
220 | 221 | ||
221 | var scaleX = newW/oldWidth; | 222 | var scaleX = (newW-strokeWidth)/(oldCanvasWidth-strokeWidth); |
222 | if (scaleX===1) { | 223 | if (scaleX===1) { |
223 | return; //no need to do anything | 224 | return; //no need to do anything |
224 | } | 225 | } |
225 | 226 | ||
226 | //scale the anchor point positions such that the width of the bbox is the newW | 227 | //scale the anchor point positions such that the width of the bbox is the newW |
227 | var origX = this._BBoxMin[0]; //this should always be zero since we only deal with local coordinates | 228 | var origX = halfStrokeWidth;//this is the left edge //this._BBoxMin[0]; //this should always be zero since we only deal with local coordinates |
228 | var numAnchors = this._Anchors.length; | 229 | var numAnchors = this._Anchors.length; |
229 | for (var i=0;i<numAnchors;i++){ | 230 | for (var i=0;i<numAnchors;i++){ |
230 | //compute the distance from the bboxMin | 231 | //compute the distance from the bboxMin |
@@ -241,23 +242,27 @@ GLSubpath.prototype.setWidth = function (newW) { | |||
241 | }; | 242 | }; |
242 | 243 | ||
243 | GLSubpath.prototype.setHeight = function (newH) { | 244 | GLSubpath.prototype.setHeight = function (newH) { |
244 | if (newH<1) { | 245 | var strokeWidth = this._strokeWidth; |
245 | newH=1; //clamp minimum width to 1 | 246 | var halfStrokeWidth = strokeWidth*0.5; |
247 | var minHeight = 1+strokeWidth; | ||
248 | |||
249 | if (newH<minHeight) { | ||
250 | newH=minHeight; //clamp minimum width to 1 | ||
246 | } | 251 | } |
247 | //scale the contents of this subpath to lie within this height | 252 | //scale the contents of this subpath to lie within this height |
248 | //determine the scale factor by comparing with the old height | 253 | //determine the scale factor by comparing with the old height |
249 | var oldHeight = this._BBoxMax[1]-this._BBoxMin[1]; | 254 | var oldHeight = this._BBoxMax[1]-this._BBoxMin[1]; |
250 | if (oldHeight<1){ | 255 | if (oldHeight<minHeight){ |
251 | oldHeight=1; | 256 | oldHeight=minHeight; |
252 | } | 257 | } |
253 | 258 | ||
254 | var scaleY = newH/oldHeight; | 259 | var scaleY = (newH-strokeWidth)/(oldHeight-strokeWidth); |
255 | if (scaleY===1){ | 260 | if (scaleY===1){ |
256 | return; //no need to do anything | 261 | return; //no need to do anything |
257 | } | 262 | } |
258 | 263 | ||
259 | //scale the anchor point positions such that the height of the bbox is the newH | 264 | //scale the anchor point positions such that the height of the bbox is the newH |
260 | var origY = this._BBoxMin[1]; | 265 | var origY = halfStrokeWidth;// this._BBoxMin[1];//this is the top edge |
261 | var numAnchors = this._Anchors.length; | 266 | var numAnchors = this._Anchors.length; |
262 | for (var i=0;i<numAnchors;i++){ | 267 | for (var i=0;i<numAnchors;i++){ |
263 | //compute the distance from the bboxMin | 268 | //compute the distance from the bboxMin |
@@ -270,6 +275,7 @@ GLSubpath.prototype.setHeight = function (newH) { | |||
270 | this._Anchors[i].setNextPos(this._Anchors[i].getNextX(), origY + nextW*scaleY,this._Anchors[i].getNextZ()); | 275 | this._Anchors[i].setNextPos(this._Anchors[i].getNextX(), origY + nextW*scaleY,this._Anchors[i].getNextZ()); |
271 | } | 276 | } |
272 | this.makeDirty(); | 277 | this.makeDirty(); |
278 | this.computeBoundingBox(true, false); | ||
273 | }; | 279 | }; |
274 | 280 | ||
275 | GLSubpath.prototype.setWorld = function (world) { | 281 | GLSubpath.prototype.setWorld = function (world) { |