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-rwxr-xr-xjs/lib/geom/brush-stroke.js50
-rwxr-xr-xjs/lib/geom/circle.js61
-rwxr-xr-xjs/lib/geom/geom-obj.js59
-rwxr-xr-xjs/lib/geom/rectangle.js40
4 files changed, 181 insertions, 29 deletions
diff --git a/js/lib/geom/brush-stroke.js b/js/lib/geom/brush-stroke.js
index efd21c4a..1fae0c1d 100755
--- a/js/lib/geom/brush-stroke.js
+++ b/js/lib/geom/brush-stroke.js
@@ -117,7 +117,7 @@ var BrushStroke = function GLBrushStroke() {
117 }; 117 };
118 118
119 this.getPoint = function (index) { 119 this.getPoint = function (index) {
120 return this._Points[index]; 120 return this._Points[index].slice(0);
121 }; 121 };
122 122
123 this.addPoint = function (pt) { 123 this.addPoint = function (pt) {
@@ -399,7 +399,7 @@ var BrushStroke = function GLBrushStroke() {
399 399
400 // ***** unproject all the centered points and convert them to 2D (plane space)***** 400 // ***** unproject all the centered points and convert them to 2D (plane space)*****
401 // (undo the projection step performed by the browser) 401 // (undo the projection step performed by the browser)
402 localPoint = this._unprojectPt(localPoint, 1400); //todo get the perspective distance from the canvas 402 //localPoint = this._unprojectPt(localPoint, 1400); //todo get the perspective distance from the canvas
403 localPoint = MathUtils.transformPoint(localPoint, this._planeMatInv); 403 localPoint = MathUtils.transformPoint(localPoint, this._planeMatInv);
404 404
405 //add to the list of local points 405 //add to the list of local points
@@ -568,17 +568,17 @@ var BrushStroke = function GLBrushStroke() {
568 } 568 }
569 ctx.save(); 569 ctx.save();
570 ctx.clearRect(0, 0, bboxWidth, bboxHeight); 570 ctx.clearRect(0, 0, bboxWidth, bboxHeight);
571 this.drawToContext(ctx, 0, 0, false); 571 this.drawToContext(ctx, false);
572 ctx.restore(); 572 ctx.restore();
573 } //this.render() 573 } //this.render()
574 574
575 this.drawToContext = function(ctx, origX, origY, drawStageWorldPts){ 575 this.drawToContext = function(ctx, drawStageWorldPts, stageWorldDeltaX, stageWorldDeltaY, stageWorldToScreenMat){
576 var points = this._LocalPoints; 576 var points = this._LocalPoints;
577 if (drawStageWorldPts){ 577 if (drawStageWorldPts){ //this is usually true when we're drawing the brush stroke on the stage (no canvas yet)
578 points = this._Points; 578 points = this._Points;
579 } 579 }
580 var numPoints = points.length; 580 var numPoints = points.length;
581 581 var tempP, p;
582 if (this._strokeUseCalligraphic) { 582 if (this._strokeUseCalligraphic) {
583 //build the stamp for the brush stroke 583 //build the stamp for the brush stroke
584 var t=0; 584 var t=0;
@@ -623,9 +623,23 @@ var BrushStroke = function GLBrushStroke() {
623 //ctx.strokeStyle="rgba("+parseInt(255*currStrokeColor[0])+","+parseInt(255*currStrokeColor[1])+","+parseInt(255*currStrokeColor[2])+","+alphaVal+")"; 623 //ctx.strokeStyle="rgba("+parseInt(255*currStrokeColor[0])+","+parseInt(255*currStrokeColor[1])+","+parseInt(255*currStrokeColor[2])+","+alphaVal+")";
624 ctx.translate(disp[0],disp[1]); 624 ctx.translate(disp[0],disp[1]);
625 ctx.beginPath(); 625 ctx.beginPath();
626 ctx.moveTo(points[0][0]-origX, points[0][1]-origY); 626 if (drawStageWorldPts) {
627 tempP = points[0].slice(0);
628 tempP[0]+=stageWorldDeltaX; tempP[1]+=stageWorldDeltaY;
629 p = MathUtils.transformAndDivideHomogeneousPoint(tempP, stageWorldToScreenMat);
630 } else {
631 p = points[0];
632 }
633 ctx.moveTo(p[0],p[1]);
627 for (var i=0;i<numPoints;i++){ 634 for (var i=0;i<numPoints;i++){
628 ctx.lineTo(points[i][0]-origX, points[i][1]-origY); 635 if (drawStageWorldPts) {
636 tempP = points[i].slice(0);
637 tempP[0]+=stageWorldDeltaX; tempP[1]+=stageWorldDeltaY;
638 p = MathUtils.transformAndDivideHomogeneousPoint(tempP, stageWorldToScreenMat);
639 } else {
640 p = points[i];
641 }
642 ctx.lineTo(p[0],p[1]);
629 } 643 }
630 ctx.stroke(); 644 ctx.stroke();
631 ctx.restore(); 645 ctx.restore();
@@ -641,13 +655,27 @@ var BrushStroke = function GLBrushStroke() {
641 ctx.strokeStyle="rgba("+parseInt(255*this._strokeColor[0])+","+parseInt(255*this._strokeColor[1])+","+parseInt(255*this._strokeColor[2])+","+alphaVal+")"; 655 ctx.strokeStyle="rgba("+parseInt(255*this._strokeColor[0])+","+parseInt(255*this._strokeColor[1])+","+parseInt(255*this._strokeColor[2])+","+alphaVal+")";
642 for (var l=0;l<numlayers;l++){ 656 for (var l=0;l<numlayers;l++){
643 ctx.beginPath(); 657 ctx.beginPath();
644 ctx.moveTo(points[0][0]-origX, points[0][1]-origY); 658 if (drawStageWorldPts) {
659 tempP = points[0].slice(0);
660 tempP[0]+=stageWorldDeltaX; tempP[1]+=stageWorldDeltaY;
661 p = MathUtils.transformAndDivideHomogeneousPoint(tempP, stageWorldToScreenMat);
662 } else {
663 p = points[0];
664 }
665 ctx.moveTo(p[0],p[1]);
645 if (numPoints===1){ 666 if (numPoints===1){
646 //display a tiny segment as a single point 667 //display a tiny segment as a single point
647 ctx.lineTo(points[0][0]-origX, points[0][1]-origY+0.01); 668 ctx.lineTo(p[0],p[1]+0.01);
648 } 669 }
649 for (var i=1;i<numPoints;i++){ 670 for (var i=1;i<numPoints;i++){
650 ctx.lineTo(points[i][0]-origX, points[i][1]-origY); 671 if (drawStageWorldPts) {
672 tempP = points[i].slice(0);
673 tempP[0]+=stageWorldDeltaX; tempP[1]+=stageWorldDeltaY;
674 p = MathUtils.transformAndDivideHomogeneousPoint(tempP, stageWorldToScreenMat);
675 } else {
676 p = points[i];
677 }
678 ctx.lineTo(p[0],p[1]);
651 } 679 }
652 ctx.lineWidth=2*l+minStrokeWidth; 680 ctx.lineWidth=2*l+minStrokeWidth;
653 ctx.stroke(); 681 ctx.stroke();
diff --git a/js/lib/geom/circle.js b/js/lib/geom/circle.js
index 218dcfa6..0f1f49a9 100755
--- a/js/lib/geom/circle.js
+++ b/js/lib/geom/circle.js
@@ -4,9 +4,12 @@ No rights, expressed or implied, whatsoever to this software are provided by Mot
4(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved. 4(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
5</copyright> */ 5</copyright> */
6 6
7var GeomObj = require("js/lib/geom/geom-obj").GeomObj; 7var GeomObj = require("js/lib/geom/geom-obj").GeomObj;
8var ShapePrimitive = require("js/lib/geom/shape-primitive").ShapePrimitive; 8var ShapePrimitive = require("js/lib/geom/shape-primitive").ShapePrimitive;
9var MaterialsModel = require("js/models/materials-model").MaterialsModel; 9var MaterialsModel = require("js/models/materials-model").MaterialsModel;
10var drawUtils = require("js/helper-classes/3D/draw-utils").DrawUtils;
11var vecUtils = require("js/helper-classes/3D/vec-utils").VecUtils;
12
10/////////////////////////////////////////////////////////////////////// 13///////////////////////////////////////////////////////////////////////
11// Class GLCircle 14// Class GLCircle
12// GL representation of a circle. 15// GL representation of a circle.
@@ -46,6 +49,10 @@ var Circle = function GLCircle() {
46 this._fillColor = fillColor; 49 this._fillColor = fillColor;
47 50
48 this._strokeStyle = strokeStyle; 51 this._strokeStyle = strokeStyle;
52
53 this._matrix = Matrix.I(4);
54 //this._matrix[12] = xOffset;
55 //this._matrix[13] = yOffset;
49 } 56 }
50 57
51 this.m_world = world; 58 this.m_world = world;
@@ -187,7 +194,7 @@ var Circle = function GLCircle() {
187 // get the normalized device coordinates (NDC) for 194 // get the normalized device coordinates (NDC) for
188 // all position and dimensions. 195 // all position and dimensions.
189 var vpw = world.getViewportWidth(), vph = world.getViewportHeight(); 196 var vpw = world.getViewportWidth(), vph = world.getViewportHeight();
190 var xNDC = 2*this._xOffset/vpw, yNDC = 2*this._yOffset/vph, 197 var xNDC = 2*this._xOffset/vpw, yNDC = -2*this._yOffset/vph,
191 xRadNDC = this._width/vpw, yRadNDC = this._height/vph, 198 xRadNDC = this._width/vpw, yRadNDC = this._height/vph,
192 xStrokeNDC = 2*this._strokeWidth/vpw, yStrokeNDC = 2*this._strokeWidth/vph, 199 xStrokeNDC = 2*this._strokeWidth/vpw, yStrokeNDC = 2*this._strokeWidth/vph,
193 xInnRadNDC = this._innerRadius*xRadNDC, yInnRadNDC = this._innerRadius*yRadNDC; 200 xInnRadNDC = this._innerRadius*xRadNDC, yInnRadNDC = this._innerRadius*yRadNDC;
@@ -706,6 +713,49 @@ var Circle = function GLCircle() {
706 return (MathUtils.fpCmp(distToPt,distToBoundary) <= 0); 713 return (MathUtils.fpCmp(distToPt,distToBoundary) <= 0);
707 }; 714 };
708 715
716 this.getNearPoint = function( pt, dir )
717 {
718 var world = this.getWorld();
719 if (!world) throw( "null world in getNearPoint" );
720
721 // the input point and direction are in GL space
722 // project to the z == 0 plane
723 var mat = this.getMatrix();
724 var plane = [0,0,1,0];
725 plane = MathUtils.transformPlane( plane, mat );
726 var projPt = MathUtils.vecIntersectPlane ( pt, dir, plane );
727
728 // get the center of the circle in GL space
729 var ctr = this.getGLCenter();
730
731 // transform the projected point to the plane of the circle
732 var planePt = MathUtils.transformPoint( projPt, mat );
733
734 // get a matrix mapping the circle to a 2D coordinate system
735 var normal = [ mat[8], mat[9], mat[10] ];
736 var planeMat = drawUtils.getPlaneToWorldMatrix(normal, ctr);
737 var planeMatInv = glmat4.inverse( planeMat, [] );
738 var planePt2D = MathUtils.transformPoint( planePt, planeMatInv );
739
740 // get 2 points on the axes of the oval
741 var wPt = this.preViewToGL( [this._xOffset + 0.5*this.getWidth(), this._yOffset, 0] ),
742 hPt = this.preViewToGL( [this._xOffset, this._yOffset + 0.5*this.getHeight(), 0] );
743 var w = vecUtils.vecDist( 2, wPt, ctr ),
744 h = vecUtils.vecDist( 2, hPt, ctr );
745 var aspect = w/h;
746
747 // get the angle of the projected point relative to the circle
748 var angle = Math.atan2( planePt2D[1], planePt2D[0]/aspect );
749 var degrees = angle*180.0/Math.PI;
750
751 // get the corresponding point on the object
752 var pt = [ Math.cos(angle)*w, Math.sin(angle)*h, 0 ];
753 var glPt = MathUtils.transformPoint( pt, planeMat );
754
755 return glPt;
756 }
757
758 /*
709 this.getNearPoint = function( pt, dir ) { 759 this.getNearPoint = function( pt, dir ) {
710 var world = this.getWorld(); 760 var world = this.getWorld();
711 if (!world) throw( "null world in getNearPoint" ); 761 if (!world) throw( "null world in getNearPoint" );
@@ -725,7 +775,7 @@ var Circle = function GLCircle() {
725 // get the normalized device coordinates (NDC) for 775 // get the normalized device coordinates (NDC) for
726 // the position and radii. 776 // the position and radii.
727 var vpw = world.getViewportWidth(), vph = world.getViewportHeight(); 777 var vpw = world.getViewportWidth(), vph = world.getViewportHeight();
728 var xNDC = 2*this._xOffset/vpw, yNDC = 2*this._yOffset/vph, 778 var xNDC = 2*this._xOffset/vpw, yNDC = -2*this._yOffset/vph,
729 xRadNDC = this._width/vpw, yRadNDC = this._height/vph; 779 xRadNDC = this._width/vpw, yRadNDC = this._height/vph;
730 var projMat = world.makePerspectiveMatrix(); 780 var projMat = world.makePerspectiveMatrix();
731 var z = -world.getViewDistance(); 781 var z = -world.getViewDistance();
@@ -755,6 +805,7 @@ var Circle = function GLCircle() {
755 805
756 return objPt; 806 return objPt;