Merge branch 'master' of github.com:UnityTech/UIWidgets into dev

Author: zhuxingwei

CHANGELOG.md

@@ -9,3 +9,20 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### This is the first release of *Unity Package UIWidgets*.
 
 *just the first release*
+
+
+## [1.5.4-release] - 2019-08-30
+
+#### In this release we mainly focus on the optimization and stabilization of the framework. 
+#### We also upgrade UIWidgets to version 1.5.4, mainly derived from flutter 1.5.4.
+
+### New Features
+- Optimize the GC performance of the rendering system [\#247](https://github.com/UnityTech/UIWidgets/pull/247)
+- Optimize the rendering performance of shadows [\#257](https://github.com/UnityTech/UIWidgets/pull/257)
+- Leverage Compute Buffer to optimize GPU-CPU communication [\#272](https://github.com/UnityTech/UIWidgets/pull/272)
+- Cupertino Theme Supported [\#287](https://github.com/UnityTech/UIWidgets/pull/287)
+- Support Unity Editor Drag&Drop mouse event [\#253](https://github.com/UnityTech/UIWidgets/pull/253)
+- Implement geometric shapes anti-alias draw [\#262](https://github.com/UnityTech/UIWidgets/pull/262)
+- Optimize paragraph layout [\#254](https://github.com/UnityTech/UIWidgets/pull/254)
+- Support emoji display and edit [\#231](https://github.com/UnityTech/UIWidgets/pull/231)
+

README-ZH.md

@@ -222,7 +222,7 @@ $JSEvents
 在UIWidgets中使用图片时，记得将这一特性关闭，以免图片被意外放缩，方法如下：在Project面板中选中图片，在"Inspector"面板中将"Non Power of 2"（在"Advanced"中）设置为"None"。
 
 #### 十、更新表情(Emoji)
-UIWidgets支持渲染文本中包含的表情。表情的图片来自[https://www.joypixels.com](https://www.joypixels.com/)提供的免费资源。
+UIWidgets支持渲染文本中包含的表情。表情的图片来自[Google Emoji](https://emojipedia.org/google)提供的免费资源。
 如果您希望使用自己的表情图片，请更新纹理图`Tests/Resources/Emoji.png`，以及`Runtime/ui/txt/emoji.cs`中将Unicode映射到纹理图中具体位置的映射表。
 特别地，请记得更新Dictionary变量`emojiLookupTable`，纹理图的行数`rowCount`以及纹理图的列数`colCount`。
 

README.md

@@ -259,7 +259,7 @@ In UIWidgets, you should almost always disable this by selecting the image in th
 
 #### Update Emoji
 UIWidgets supports rendering emoji in (editable) texts. The emoji images comes from the free
-resources provided by [https://www.joypixels.com](https://www.joypixels.com/). If you would
+resources provided by [Google Emoji](https://emojipedia.org/google). If you would
 like to use your own images for emoji, please update the texture image `Tests/Resources/Emoji.png`,
 and the unicode-index table in `Runtime/ui/txt/emoji.cs` which maps unicodes to specific locations
 in the texture. Specifically, remember to update the Dictionary `emojiLookupTable`, number of rows

Runtime/gestures/mouse_tracking.cs

@@ -109,7 +109,7 @@ public void detachAnnotation(MouseTrackerAnnotation annotation) {
             foreach (int deviceId in trackedAnnotation.activeDevices) {
                 if (annotation.onExit != null) {
                     annotation.onExit(
-                        PointerExitEvent.fromHoverEvent((PointerHoverEvent) this._lastMouseEvent[deviceId]));
+                        PointerExitEvent.fromMouseEvent(this._lastMouseEvent[deviceId]));
                 }
 #if UNITY_EDITOR
                 this.detachDragFromEditorAnnotation(annotation, deviceId);
@@ -248,7 +248,7 @@ void exitAllDevices(_TrackedAnnotation trackedAnnotation) {
                     if (trackedAnnotation.activeDevices.Contains(deviceId)) {
                         if (trackedAnnotation.annotation?.onExit != null) {
                             trackedAnnotation.annotation.onExit(
-                                PointerExitEvent.fromHoverEvent((PointerHoverEvent) lastEvent));
+                                PointerExitEvent.fromMouseEvent(lastEvent));
                         }
 
                         trackedAnnotation.activeDevices.Remove(deviceId);