Backup_Repos/jsketcher
1
0
Fork 0
mirror of https://github.com/xibyte/jsketcher synced 2025-12-10 02:13:58 +01:00
Code Issues Projects Releases Wiki Activity

Draw basis crosshair for 2d sketches

Browse source
This commit is contained in:
Val Erastov 2016-08-28 13:39:08 -07:00
parent 99a65e417d
commit 318107256d
1 changed files with 65 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

66
web/app/sketcher/canvas.js
View file

@ -217,6 +217,7 @@ TCAD.TWO.Viewer.prototype.search = function(x, y, buffer, deep, onlyPoints, filt
TCAD.TWO.Viewer.prototype._setupServiceLayer = function() {
var layer = new TCAD.TWO.Layer("_service", TCAD.TWO.Styles.SERVICE);
// layer.objects.push(new TCAD.TWO.CrossHair(0, 0, 20));
layer.objects.push(new TCAD.TWO.BasisOrigin(null, this));
layer.objects.push(new TCAD.TWO.Point(0, 0, 2));
this._serviceLayers.push(layer);
@ -719,6 +720,69 @@ TCAD.TWO.CrossHair.prototype.draw = function(ctx, scale) {
ctx.restore();
};
/** @constructor */
TCAD.TWO.BasisOrigin = function(basis, viewer) {
this.viewer = viewer;
this.inverseX = false;
this.inverseY = false;
this.lineWidth = 100;
this.xColor = '#FF0000';
this.yColor = '#00FF00';
};
TCAD.TWO.BasisOrigin.prototype.draw = function(ctx, scale) {
ctx.save();
if (this.inverseX) {
this.xScale = -1;
this.xShift = this.lineWidth + 10;
} else {
this.xScale = 1;
this.xShift = 10;
}
if (this.inverseY) {
this.yScale = -1;
this.yShift = this.viewer.canvas.height - this.lineWidth - 10;
} else {
this.yScale = 1;
this.yShift = this.viewer.canvas.height - 10;
}
ctx.setTransform( this.xScale, 0, 0, this.yScale, this.xShift, this.yShift);
ctx.beginPath();
ctx.lineWidth = 1;
ctx.strokeStyle = this.yColor;
var headA = 5;
var headB = 10;
ctx.moveTo(0, 0);
ctx.lineTo(0, - this.lineWidth);
ctx.moveTo(0, - this.lineWidth);
ctx.lineTo(headA, 0 - this.lineWidth + headB);
ctx.moveTo(0, - this.lineWidth);
ctx.lineTo(- headA, - this.lineWidth + headB);
ctx.closePath();
ctx.stroke();
ctx.beginPath();
ctx.strokeStyle = this.xColor;
ctx.moveTo(0, 0);
ctx.lineTo(this.lineWidth, 0);
ctx.moveTo(this.lineWidth, 0);
ctx.lineTo(this.lineWidth - headB, headA);
ctx.moveTo(this.lineWidth, 0);
ctx.lineTo(this.lineWidth - headB, - headA);
ctx.closePath();
ctx.stroke();
ctx.restore();
};
/** @constructor */
TCAD.TWO.ToolManager = function(viewer, defaultTool) {
this.defaultTool = defaultTool;
@ -757,7 +821,7 @@ TCAD.TWO.ToolManager = function(viewer, defaultTool) {
tm.getTool().keydown(e);
if (e.keyCode == 27) {
tm.releaseControl();
} else if (e.keyCode == 46) {
} else if (e.keyCode == 46 || e.keyCode == 8) {
var selection = viewer.selected.slice();
viewer.deselectAll();
for (var i = 0; i < selection.length; i++) {