Merge pull request #110 from mqg734/WebGLFixes

Gradient Support for Shapes and Eyedropper support for gradients. Also fixed 3d bug when moving multiple selections in 3d using the Selection Tool

1 files changed, 90 insertions, 12 deletions

diff --git a/js/lib/geom/rectangle.js b/js/lib/geom/rectangle.js
index 370bb257..a47295e0 100755
--- a/js/lib/geom/rectangle.js
+++ b/js/lib/geom/rectangle.js
@@ -205,8 +205,20 @@ var Rectangle = function GLRectangle() {
                 rtnStr += "width: "                     + this._width           + "\n";
                 rtnStr += "height: "            + this._height          + "\n";
                 rtnStr += "strokeWidth: "       + this._strokeWidth     + "\n";
-                rtnStr += "strokeColor: "       + String(this._strokeColor)  + "\n";
-                rtnStr += "fillColor: "         + String(this._fillColor)        + "\n";
+
+        if(this._strokeColor.gradientMode) {
+            rtnStr += "strokeGradientMode: "    + this._strokeColor.gradientMode        + "\n";
+            rtnStr += "strokeColor: " + this.gradientToString(this._strokeColor.color) + "\n";
+        } else {
+            rtnStr += "strokeColor: "   + String(this._strokeColor)  + "\n";
+        }
+
+        if(this._fillColor.gradientMode) {
+            rtnStr += "fillGradientMode: "      + this._fillColor.gradientMode  + "\n";
+            rtnStr += "fillColor: " + this.gradientToString(this._fillColor.color) + "\n";
+        } else {
+            rtnStr += "fillColor: "     + String(this._fillColor)  + "\n";
+        }
                 rtnStr += "tlRadius: "          + this._tlRadius        + "\n";
                 rtnStr += "trRadius: "          + this._trRadius        + "\n";
                 rtnStr += "blRadius: "          + this._blRadius        + "\n";
@@ -246,9 +258,25 @@ var Rectangle = function GLRectangle() {
                 var strokeMaterialName  = this.getPropertyFromString( "strokeMat: ",    importStr );
                 var fillMaterialName    = this.getPropertyFromString( "fillMat: ",              importStr );
                 this._strokeStyle               =  this.getPropertyFromString( "strokeStyle: ", importStr );
-                this._fillColor                 =  eval( "[" + this.getPropertyFromString( "fillColor: ",       importStr ) + "]" );
-                this._strokeColor               =  eval( "[" + this.getPropertyFromString( "strokeColor: ",     importStr ) + "]" );
-                this._tlRadius                  =  Number( this.getPropertyFromString( "tlRadius: ",    importStr )  );
+
+        if(importStr.indexOf("fillGradientMode: ") < 0) {
+            this._fillColor             =  eval( "[" + this.getPropertyFromString( "fillColor: ",       importStr ) + "]" );
+        } else {
+            this._fillColor = {};
+            this._fillColor.gradientMode = this.getPropertyFromString( "fillGradientMode: ",    importStr );
+            this._fillColor.color = this.stringToGradient(this.getPropertyFromString( "fillColor: ",    importStr ));
+        }
+
+        if(importStr.indexOf("strokeGradientMode: ") < 0)
+        {
+            this._strokeColor           =  eval( "[" + this.getPropertyFromString( "strokeColor: ",     importStr ) + "]" );
+        } else {
+            this._strokeColor = {};
+            this._strokeColor.gradientMode = this.getPropertyFromString( "strokeGradientMode: ",        importStr );
+            this._strokeColor.color = this.stringToGradient(this.getPropertyFromString( "strokeColor: ",        importStr ));
+        }
+
+        this._tlRadius                  =  Number( this.getPropertyFromString( "tlRadius: ",    importStr )  );
                 this._trRadius                  =  Number( this.getPropertyFromString( "trRadius: ",    importStr )  );
                 this._blRadius                  =  Number( this.getPropertyFromString( "blRadius: ",    importStr )  );
                 this._brRadius                  =  Number( this.getPropertyFromString( "brRadius: ",    importStr )  );
@@ -462,15 +490,44 @@ var Rectangle = function GLRectangle() {
                 var lw = this._strokeWidth;
                 var     w = world.getViewportWidth(),
                         h = world.getViewportHeight();
-                
+
+        var c,
+            inset,
+            gradient,
+            colors,
+            len,
+            n,
+            position,
+            cs;
                 // render the fill
                 ctx.beginPath();
                 if (this._fillColor) {
-                        var c = "rgba(" + 255*this._fillColor[0] + "," + 255*this._fillColor[1] + "," + 255*this._fillColor[2] + "," + this._fillColor[3] + ")";  
-                        ctx.fillStyle = c;
+            inset = Math.ceil( lw ) + 0.5;
+
+            if(this._fillColor.gradientMode) {
+                if(this._fillColor.gradientMode === "radial") {
+                    gradient = ctx.createRadialGradient(w/2, h/2, 0, w/2, h/2, Math.max(w/2, h/2)-inset);
+                } else {
+                    gradient = ctx.createLinearGradient(inset, h/2, w-2*inset, h/2);
+                }
+                colors = this._fillColor.color;
+
+                len = colors.length;
+
+                for(n=0; n<len; n++) {
+                    position = colors[n].position/100;
+                    cs = colors[n].value;
+                    gradient.addColorStop(position, "rgba(" + cs.r + "," + cs.g + "," + cs.b + "," + cs.a + ")");
+                }
+
+                ctx.fillStyle = gradient;
+
+            } else {
+                c = "rgba(" + 255*this._fillColor[0] + "," + 255*this._fillColor[1] + "," + 255*this._fillColor[2] + "," + this._fillColor[3] + ")";
+                ctx.fillStyle = c;
+            }
 
                         ctx.lineWidth   = lw;
-                        var inset = Math.ceil( lw ) + 0.5;
                         this.renderPath( inset, ctx );
                         ctx.fill();
                         ctx.closePath();
@@ -479,11 +536,32 @@ var Rectangle = function GLRectangle() {
                 // render the stroke
                 ctx.beginPath();
                 if (this._strokeColor) {
-                        var c = "rgba(" + 255*this._strokeColor[0] + "," + 255*this._strokeColor[1] + "," + 255*this._strokeColor[2] + "," + this._strokeColor[3] + ")";  
-                        ctx.strokeStyle = c;
+            inset = Math.ceil( 0.5*lw ) + 0.5;
+
+            if(this._strokeColor.gradientMode) {
+                if(this._strokeColor.gradientMode === "radial") {
+                    gradient = ctx.createRadialGradient(w/2, h/2, Math.min(h/2, w/2)-inset, w/2, h/2, Math.max(h/2, w/2));
+                } else {
+                    gradient = ctx.createLinearGradient(0, h/2, w, h/2);
+                }
+                colors = this._strokeColor.color;
+
+                len = colors.length;
+
+                for(n=0; n<len; n++) {
+                    position = colors[n].position/100;
+                    cs = colors[n].value;
+                    gradient.addColorStop(position, "rgba(" + cs.r + "," + cs.g + "," + cs.b + "," + cs.a + ")");
+                }
+
+                ctx.strokeStyle = gradient;
+
+            } else {
+                c = "rgba(" + 255*this._strokeColor[0] + "," + 255*this._strokeColor[1] + "," + 255*this._strokeColor[2] + "," + this._strokeColor[3] + ")";
+                ctx.strokeStyle = c;
+            }
 
                         ctx.lineWidth   = lw;
-                        var inset = Math.ceil( 0.5*lw ) + 0.5;
                         this.renderPath( inset, ctx );
                         ctx.stroke();
                         ctx.closePath();