我正在优化在 Rect 中显示字符的项目渲染器,我注意到动态设置文本的动作很慢,现在我正在考虑使用硬编码的文本创建预制对象和项目内部 -渲染器有一个开关来选择正确的文本对象而不是使用.text =
,有没有人对如何优化渲染器有任何其他想法,它是一个平铺布局,在屏幕上显示大约 100 个渲染器。
还有 - 我可以在渲染器中使用的最便宜(性能方面)的文本对象是什么?
谢谢
<!-- DNA Plus -->
<s:Group height="26" width="100%" y="20">
<s:Rect id="backgroundTop" left="0" right="0" top="0" bottom="0"
alpha="{(data as MiniBrick).brick.strand == StrandEnum.PLUS.value ? 1 : 0.7}">
<s:fill>
<s:SolidColor id="bgFillTop" color="{BrickColors.getColor((data as MiniBrick).brick)}"/>
</s:fill>
</s:Rect>
<s:Rect id="selectedBackgroundTop" left="0" right="0" top="2" bottom="1" includeIn="selected">
<s:fill>
<s:SolidColor id="sBgFillTop" color.selected="0xB6E0F2"/>
</s:fill>
</s:Rect>
<!--- @copy spark.components.supportClasses.SkinnableTextBase#textDisplay -->
<s:Label id="textDisplayTop" width="100%" top="4" fontFamily="Consolas" text="{(data as MiniBrick).origin}"
fontSize="20" lineBreak="explicit" verticalAlign="middle" textAlign="center"/>
</s:Group>
<!-- DNA Minus -->
<s:Group height="26" width="100%" y="46">
<s:Rect id="backgroundBottom" left="0" right="0" top="0" bottom="0"
alpha="{(data as MiniBrick).brick.strand == StrandEnum.MINUS.value ? 1 : 0.7}">
<s:fill>
<s:SolidColor id="bgFillBottom" color="{BrickColors.getColor((data as MiniBrick).brick)}"/>
</s:fill>
</s:Rect>
<s:Rect id="selectedBackgroundBottom" left="0" right="0" top="1" bottom="2" includeIn="selected">
<s:fill>
<s:SolidColor id="sBgFillBottom" color.selected="0xB6E0F2"/>
</s:fill>
</s:Rect>
<!--- @copy spark.components.supportClasses.SkinnableTextBase#textDisplay -->
<s:Label id="textDisplayBottom" width="100%" top="4" fontFamily="Consolas" text="{DnaDictionary.getComplementSequenceOneLetter((data as MiniBrick).origin)}"
fontSize="20" lineBreak="explicit" verticalAlign="middle" textAlign="center"/>
</s:Group>
<!-- DNA index [tick list] -->
<s:Group width="15" id="dnaTick" y="72">
<s:Rect horizontalCenter="0" width="2" height="2" radiusX="1">
<s:fill>
<s:SolidColor color="#666666"/>
</s:fill>
</s:Rect>
<s:Label id="dnaTickLabel" horizontalCenter="0" y="5" height="9" color="#888888" fontFamily="Arial" fontSize="9"
textAlign="left" />
</s:Group>
<s:Line id="firstMiniBrickInBrickLine" x="0" y="20" yFrom="72">
<s:stroke>
<s:SolidColorStroke caps="none" color="#FFFFFF" weight="1"/>
</s:stroke>
</s:Line>