diff --git a/Example/examples/Clipping.js b/Example/examples/Clipping.js
index 7a3573bb..23f41579 100644
--- a/Example/examples/Clipping.js
+++ b/Example/examples/Clipping.js
@@ -164,7 +164,7 @@ class TextClipping extends Component{
                 fontWeight="bold"
                 fill="red"
                 stroke="blue"
-                textAnchor="center"
+                textAnchor="middle"
                 clipPath="url(#clip)"
             >NOT THE FACE</Text>
         </Svg>;
diff --git a/Example/examples/G.js b/Example/examples/G.js
index 57288fde..193a1e57 100644
--- a/Example/examples/G.js
+++ b/Example/examples/G.js
@@ -84,7 +84,7 @@ class GTransform extends Component{
                     y="75"
                     stroke="#600"
                     fill="#600"
-                    textAnchor="center"
+                    textAnchor="middle"
                 >
                     Text grouped with shapes</Text>
             </G>
diff --git a/Example/examples/Stroking.js b/Example/examples/Stroking.js
index c62437f2..15aef522 100644
--- a/Example/examples/Stroking.js
+++ b/Example/examples/Stroking.js
@@ -76,7 +76,7 @@ class StrokeDashoffset extends Component{
                 fontWeight="bold"
                 x="100"
                 y="40"
-                textAnchor="center"
+                textAnchor="middle"
                 strokeDasharray="100"
                 strokeDashoffset="60"
             >STROKE</Text>
diff --git a/Example/examples/Text.js b/Example/examples/Text.js
index a20bca72..485e60ba 100644
--- a/Example/examples/Text.js
+++ b/Example/examples/Text.js
@@ -22,7 +22,7 @@ class TextExample extends Component{
                 x="50"
                 y="9"
                 fill="red"
-                textAnchor="center"
+                textAnchor="middle"
             >I love SVG!</Text>
         </Svg>;
     }
@@ -81,7 +81,7 @@ class TextFill extends Component{
                 fontWeight="bold"
                 x="100"
                 y="20"
-                textAnchor="center"
+                textAnchor="middle"
             >FILL TEXT</Text>
         </Svg>;
     }
@@ -109,7 +109,7 @@ class TextStroke extends Component{
                 fontWeight="bold"
                 x="100"
                 y="20"
-                textAnchor="center"
+                textAnchor="middle"
             >STROKE TEXT</Text>
         </Svg>;
     }
@@ -148,7 +148,7 @@ const icon = <Svg
         y="2"
         fontSize="14"
         fontWeight="bold"
-        textAnchor="center"
+        textAnchor="middle"
         fill="none"
         stroke="blue"
     >字</Text>
diff --git a/elements/G.js b/elements/G.js
index d56c7fd6..b08eeb91 100644
--- a/elements/G.js
+++ b/elements/G.js
@@ -9,7 +9,7 @@ import createReactNativeComponentClass from 'react-native/Libraries/ReactNative/
 import Defs from './Defs';
 import _ from 'lodash';
 import {GroupAttributes} from '../lib/attributes';
-import {numberProp, shapeProps} from '../lib/props';
+import {numberProp, contextProps, textProps} from '../lib/props';
 
 import extractProps from '../lib/extract/extractProps';
 
@@ -19,11 +19,11 @@ class G extends Component{
     static childContextTypes = {
         svgId: numberProp,
         isInGroup: PropTypes.bool,
-        ...shapeProps
+        ...contextProps
     };
 
     getChildContext = () => {
-        return _.reduce(shapeProps, (props, value, key) => {
+        return _.reduce(contextProps, (props, value, key) => {
             props[key] = this.props[key];
             return props;
         }, {
diff --git a/elements/Gradient.js b/elements/Gradient.js
index 73652692..0131411d 100644
--- a/elements/Gradient.js
+++ b/elements/Gradient.js
@@ -5,7 +5,6 @@ import React, {
 } from 'react-native';
 import {NativeGroup} from './G';
 import {set, remove} from '../lib/extract/patterns';
-import percentFactory from '../lib/percentFactory';
 import percentToFloat from '../lib/percentToFloat';
 import Stop from './Stop';
 import Color from 'color';
@@ -28,7 +27,7 @@ class RadialGradient extends Component{
         remove(this.id);
     };
 
-    render(distanceProps, fromPercent, fromNumber) {
+    render(generator) {
         let stops = {};
         Children.forEach(this.props.children, child => {
             if (child.type === Stop && child.props.stopColor && child.props.offset) {
@@ -37,13 +36,7 @@ class RadialGradient extends Component{
 
                 // add stop
                 stops[offset] = Color(child.props.stopColor).alpha(+child.props.stopOpacity);
-
-                let factories = percentFactory(...distanceProps);
-                if (factories) {
-                    set(this.id, fromPercent.bind(null, factories, stops));
-                } else {
-                    set(this.id, fromNumber.bind(null, stops));
-                }
+                set(this.id, generator.bind(null, stops));
             } else {
                 console.warn(`'RadialGradient' can only receive 'Stop' elements as children`);
             }
diff --git a/elements/LinearGradient.js b/elements/LinearGradient.js
index ba30e2c3..6d44690d 100644
--- a/elements/LinearGradient.js
+++ b/elements/LinearGradient.js
@@ -11,26 +11,7 @@ import {LINEAR_GRADIENT} from '../lib/extract/extractBrush';
 import insertColorStopsIntoArray from '../lib/insertProcessor';
 
 function LinearGradientGenerator(stops, x1, y1, x2, y2) {
-    var type = LINEAR_GRADIENT;
-
-    if (arguments.length < 5) {
-        var angle = ((x1 == null) ? 270 : x1) * Math.PI / 180;
-
-        var x = Math.cos(angle);
-        var y = -Math.sin(angle);
-        var l = (Math.abs(x) + Math.abs(y)) / 2;
-
-        x *= l; y *= l;
-
-        x1 = 0.5 - x;
-        x2 = 0.5 + x;
-        y1 = 0.5 - y;
-        y2 = 0.5 + y;
-        this._bb = true;
-    } else {
-        this._bb = false;
-    }
-    var brushData = [type, +x1, +y1, +x2, +y2];
+    var brushData = [LINEAR_GRADIENT, x1, y1, x2, y2];
     insertColorStopsIntoArray(stops, brushData, 5);
     this._brush = brushData;
 }
@@ -53,20 +34,9 @@ class LinearGradient extends Gradient{
             x2,
             y2
         } = this.props;
-        let gradientProps = [x1, y1, x2, y2];
         return super.render(
-            gradientProps,
-            function (factories, stops, boundingBox, opacity) {
-                return new LinearGradientGenerator(
-                    stopsOpacity(stops, opacity),
-                    factories[0](boundingBox.width),
-                    factories[1](boundingBox.height),
-                    factories[2](boundingBox.width),
-                    factories[3](boundingBox.height)
-                );
-            },
-            function (stops, opacity) {
-                return new LinearGradientGenerator(stopsOpacity(stops, opacity), ...gradientProps);
+            (stops, opacity) => {
+                return new LinearGradientGenerator(stopsOpacity(stops, opacity), ...[x1, y1, x2, y2]);
             }
         );
     }
diff --git a/elements/RadialGradient.js b/elements/RadialGradient.js
index 4d42d28d..14b670a6 100644
--- a/elements/RadialGradient.js
+++ b/elements/RadialGradient.js
@@ -11,28 +11,7 @@ import insertColorStopsIntoArray from '../lib/insertProcessor';
 
 
 function RadialGradientGenerator(stops, fx, fy, rx, ry, cx, cy) {
-    if (ry == null) {
-        ry = rx;
-    }
-    if (cx == null) {
-        cx = fx;
-    }
-    if (cy == null) {
-        cy = fy;
-    }
-    if (fx == null) {
-        // As a convenience we allow the whole radial gradient to cover the
-        // bounding box. We should consider dropping this API.
-        fx = fy = rx = ry = cx = cy = 0.5;
-        this._bb = true;
-    } else {
-        this._bb = false;
-    }
-    // The ART API expects the radial gradient to be repeated at the edges.
-    // To simulate this we render the gradient twice as large and add double
-    // color stops. Ideally this API would become more restrictive so that this
-    // extra work isn't needed.
-    var brushData = [RADIAL_GRADIENT, +fx, +fy, +rx * 2, +ry * 2, +cx, +cy];
+    var brushData = [RADIAL_GRADIENT, fx, fy, rx, ry, cx, cy];
     insertColorStopsIntoArray(stops, brushData, 7, 0.5);
     this._brush = brushData;
 }
@@ -60,24 +39,10 @@ class RadialGradient extends Gradient{
             cy,
             r
         } = this.props;
-
-        let gradientProps = [fx, fy, rx || r, ry || r, cx, cy];
         return super.render(
-            gradientProps,
-            function (factories, stops, boundingBox, opacity) {
-                let {x1,y1,width, height} = boundingBox;
-                return new RadialGradientGenerator(
-                    stopsOpacity(stops, opacity),
-                    x1 + factories[0](width),
-                    y1 + factories[1](height),
-                    factories[2](width),
-                    factories[3](height),
-                    x1 + factories[4](width),
-                    y1 + factories[5](height)
-                );
-            },
-            function (stops, opacity) {
-                return new RadialGradientGenerator(stopsOpacity(stops, opacity), ...gradientProps);
+            (stops, opacity) => {
+
+                return new RadialGradientGenerator(stopsOpacity(stops, opacity), ...[fx, fy, rx || r, ry || r, cx, cy]);
             }
         );
     }
diff --git a/elements/Text.js b/elements/Text.js
index e4a247d0..602b236a 100644
--- a/elements/Text.js
+++ b/elements/Text.js
@@ -1,24 +1,41 @@
 import React, {
-    Component
+    Component,
+    PropTypes
 } from 'react-native';
 import Defs from './Defs';
 import createReactNativeComponentClass from 'react-native/Libraries/ReactNative/createReactNativeComponentClass';
 import extractProps from '../lib/extract/extractProps';
 import extractText from '../lib/extract/extractText';
 import {TextAttributes} from '../lib/attributes';
-import {numberProp} from '../lib/props';
+import {numberProp, textProps, fillProps, strokeProps, pathProps} from '../lib/props';
 
 class Text extends Component{
     static displayName = 'Text';
     static propTypes = {
-        x: numberProp,
-        y: numberProp,
         dx: numberProp,
-        dy: numberProp
+        dy: numberProp,
+        ...textProps,
+        ...fillProps,
+        ...strokeProps,
+        ...pathProps
     };
+
+    static contextTypes = {
+        ...textProps,
+        ...fillProps,
+        ...strokeProps,
+        isInGroup: PropTypes.bool
+    };
+
     render() {
         let {props} = this;
 
+        if (this.context.isInGroup) {
+            props = _.defaults(this.context, props, {
+                isInGroup: null
+            });
+        }
+
         let x = 0;
         if (props.x) {
             x = props.dx ? +props.x + (+props.dx) : +props.x;
diff --git a/elements/ViewBox.js b/elements/ViewBox.js
index c21fc945..8fb69a75 100644
--- a/elements/ViewBox.js
+++ b/elements/ViewBox.js
@@ -20,6 +20,7 @@ class ViewBox extends Component{
             x = viewbox.x;
             y = viewbox.y;
         }
+
         return <G
             {...this.props}
             x={x}
diff --git a/lib/extract/extractBrush.js b/lib/extract/extractBrush.js
index e51e3e00..33e334e9 100644
--- a/lib/extract/extractBrush.js
+++ b/lib/extract/extractBrush.js
@@ -4,41 +4,11 @@ const LINEAR_GRADIENT = 1;
 const RADIAL_GRADIENT = 2;
 const PATTERN = 3;
 
-function applyBoundingBoxToBrushData(brushData, props) {
-    let type = brushData[0];
-    let width = +props.width;
-    let height = +props.height;
-    if (type === LINEAR_GRADIENT) {
-        brushData[1] *= width;
-        brushData[2] *= height;
-        brushData[3] *= width;
-        brushData[4] *= height;
-    } else if (type === RADIAL_GRADIENT) {
-        brushData[1] *= width;
-        brushData[2] *= height;
-        brushData[3] *= width;
-        brushData[4] *= height;
-        brushData[5] *= width;
-        brushData[6] *= height;
-    } else if (type === PATTERN) {
-        // todo
-    }
-}
-
-export default function (colorOrBrush, props) {
+export default function (colorOrBrush) {
     if (!colorOrBrush) {
         return null;
     }
     if (colorOrBrush._brush) {
-        if (colorOrBrush._bb) {
-            // The legacy API for Gradients allow for the bounding box to be used
-            // as a convenience for specifying gradient positions. This should be
-            // deprecated. It's not properly implemented in canvas mode. ReactART
-            // doesn't handle update to the bounding box correctly. That's why we
-            // mutate this so that if it's reused, we reuse the same resolved box.
-            applyBoundingBoxToBrushData(colorOrBrush._brush, props);
-            colorOrBrush._bb = false;
-        }
         return colorOrBrush._brush;
     }
 
@@ -48,5 +18,6 @@ export default function (colorOrBrush, props) {
 
 export {
     LINEAR_GRADIENT,
-    RADIAL_GRADIENT
+    RADIAL_GRADIENT,
+    PATTERN
 }
diff --git a/lib/extract/extractFill.js b/lib/extract/extractFill.js
index 2ecd6675..ac39c1f0 100644
--- a/lib/extract/extractFill.js
+++ b/lib/extract/extractFill.js
@@ -7,13 +7,13 @@ const fillRules = {
     nonzero: 1
 };
 
-function fillFilter(props, dimensions) {
+function fillFilter(props) {
     let {fill} = props;
 
     if (fill === 'none') {
         return null;
     } else if (fill) {
-        return patterns(fill, +props.fillOpacity, dimensions, props.svgId);
+        return patterns(fill, +props.fillOpacity, props.svgId);
     } else if (props.fill === undefined) {
         let fillOpacity = +props.fillOpacity;
         if (isNaN(fillOpacity)) {
@@ -25,8 +25,8 @@ function fillFilter(props, dimensions) {
     }
 }
 
-export default function(props, dimensions) {
-    let fill = extractBrush(fillFilter(props, dimensions), props);
+export default function(props) {
+    let fill = extractBrush(fillFilter(props), props);
     let fillRule = fillRules[props.fillRule] === 0 ? 0 : 1;
 
     return {
diff --git a/lib/extract/extractProps.js b/lib/extract/extractProps.js
index 6a98d935..e96ebb23 100644
--- a/lib/extract/extractProps.js
+++ b/lib/extract/extractProps.js
@@ -14,18 +14,16 @@ export default function(props, options = {stroke: true, join: true, transform: t
         opacity: +props.opacity || 1
     };
 
-    let dimensions = this.getBoundingBox ? this.getBoundingBox() : null;
-
     if (props.clipPath) {
         _.assign(extractedProps, extractClipping(props));
     }
 
     if (options.stroke) {
-        _.assign(extractedProps, extractStroke(props, dimensions));
+        _.assign(extractedProps, extractStroke(props));
     }
 
     if (options.fill) {
-        _.assign(extractedProps, extractFill(props, dimensions));
+        _.assign(extractedProps, extractFill(props));
     }
 
     if (options.transform) {
diff --git a/lib/extract/extractStroke.js b/lib/extract/extractStroke.js
index 6477e6bc..623b74d1 100644
--- a/lib/extract/extractStroke.js
+++ b/lib/extract/extractStroke.js
@@ -15,7 +15,7 @@ const joins = {
     round: 1
 };
 
-function strokeFilter(props, dimensions) {
+function strokeFilter(props) {
     let strokeWidth = +props.strokeWidth;
     let {stroke} = props;
     if (!strokeWidth && !stroke) {
@@ -39,7 +39,7 @@ function strokeFilter(props, dimensions) {
 
     // TODO: propTypes check
     return {
-        stroke: patterns(stroke, +props.strokeOpacity, dimensions, props.svgId),
+        stroke: patterns(stroke, +props.strokeOpacity, props.svgId),
         strokeLinecap: caps[props.strokeLinecap] || 0,
         strokeLinejoin: joins[props.strokeLinejoin] || 0,
         strokeDasharray: strokeDasharray || null,
@@ -48,8 +48,8 @@ function strokeFilter(props, dimensions) {
     };
 }
 
-export default function(props, dimensions) {
-    let strokeProps = strokeFilter(props, dimensions);
+export default function(props) {
+    let strokeProps = strokeFilter(props);
 
     return strokeProps ? {
         ...strokeProps,
diff --git a/lib/extract/extractText.js b/lib/extract/extractText.js
index 3ba752a8..aa9adfdf 100644
--- a/lib/extract/extractText.js
+++ b/lib/extract/extractText.js
@@ -76,9 +76,9 @@ function extractFont(font) {
 }
 
 const anchord = {
-    right: 1,
-    center: 2,
-    left: 0
+    end: 1,
+    middle: 2,
+    start: 0
 };
 
 export default function(props) {
diff --git a/lib/extract/patterns.js b/lib/extract/patterns.js
index 733d3e55..ccf5387f 100644
--- a/lib/extract/patterns.js
+++ b/lib/extract/patterns.js
@@ -23,7 +23,7 @@ export {
     remove
 }
 
-export default function(patternSting, opacity, dimensions, svgId) {
+export default function(patternSting, opacity, svgId) {
     if (isGradient(patternSting)) {
         return patternSting;
     }
@@ -40,11 +40,7 @@ export default function(patternSting, opacity, dimensions, svgId) {
         let pattern = patterns[patternName];
 
         if (pattern) {
-            if (pattern.length === 2) {
-                return pattern(dimensions, opacity);
-            } else {
-                return pattern(opacity);
-            }
+            return pattern(opacity);
         }
         return null;
     }
diff --git a/lib/props.js b/lib/props.js
index 0d77fbb3..8d7240dd 100644
--- a/lib/props.js
+++ b/lib/props.js
@@ -26,8 +26,14 @@ const strokeProps = {
 };
 
 const textProps = {
-    textAnchor: PropTypes.oneOf(['right', 'center', 'left']),
-    path: PropTypes.string
+    textAnchor: PropTypes.oneOf(['start', 'middle', 'end']),
+    path: PropTypes.string,
+    fontFamily: PropTypes.string,
+    fontSize: numberProp,
+    fontWeight: PropTypes.string,
+    fontStyle: PropTypes.string,
+    font: PropTypes.object,
+    lines: numberProp
 };
 
 const transformProps = {
@@ -78,13 +84,14 @@ const rectProps = {
     ry: numberProp
 };
 
-const shapeProps = {
+const contextProps = {
     ...circleProps,
     ...ellipseProps,
     ...lineProps,
     ...rectProps,
     ...fillProps,
-    ...strokeProps
+    ...strokeProps,
+    ...textProps
 };
 
 export {
@@ -98,6 +105,6 @@ export {
     ellipseProps,
     lineProps,
     rectProps,
-    shapeProps,
+    contextProps,
     pathProps
 }