firka/flutter
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Make it fast to draw color icons

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Instead of using a ColorFilter, plumb the information down to Icon and thereby
to Image.
This commit is contained in:
Adam Barth 2015-10-09 14:04:54 -07:00
parent dfc7f00a88
commit ee7c72f4da
1 changed files with 17 additions and 12 deletions
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29
packages/flutter/lib/src/material/icon_button.dart
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@ -10,26 +10,31 @@ import 'package:sky/widgets.dart';
import 'icon.dart';
class IconButton extends StatelessComponent {
const IconButton({ Key key, this.icon, this.onPressed, this.color }) : super(key: key);
const IconButton({
Key key,
this.icon,
this.color,
this.colorFilter,
this.onPressed
}) : super(key: key);
final String icon;
final Color color;
final IconThemeColor color;
final sky.ColorFilter colorFilter;
final GestureTapCallback onPressed;
Widget build(BuildContext context) {
Widget child = new Icon(type: icon, size: 24);
if (color != null) {
child = new ColorFilter(
color: color,
transferMode: sky.TransferMode.srcATop,
child: child
);
}
return new GestureDetector(
onTap: onPressed,
child: new Padding(
child: child,
padding: const EdgeDims.all(8.0))
padding: const EdgeDims.all(8.0),
child: new Icon(
type: icon,
size: 24,
color: color,
colorFilter: colorFilter
)
)
);
}
}