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* feat: add bloom and crt shaders * agjsts * cleanup * format
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| import 'dart:ui' as ui; | ||
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| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_shaders/flutter_shaders.dart'; | ||
| import 'package:vector_math/vector_math.dart' hide Colors; | ||
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| class CRTShader extends StatelessWidget { | ||
| const CRTShader({ | ||
| required this.enabled, | ||
| required this.child, | ||
| super.key, | ||
| }); | ||
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| final bool enabled; | ||
| final Widget child; | ||
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|
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| @override | ||
| Widget build(BuildContext context) { | ||
| if (!enabled) { | ||
| return child; | ||
| } | ||
|
|
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| return ColoredBox( | ||
| color: Colors.black, | ||
| child: ImageBuilder( | ||
| assetImageProvider: const AssetImage('assets/images/liltex_3.jpg'), | ||
| (context, pixelTexture) { | ||
| return ShaderBuilder( | ||
| assetKey: 'shaders/super_crt.glsl', | ||
| child: child, | ||
| (context, shader, child) { | ||
| return AnimatedSampler( | ||
| (image, size, canvas) { | ||
| shader | ||
| ..setFloatUniforms((value) { | ||
| value | ||
| ..setSize(size) | ||
| ..setFloat(1) | ||
| ..setVector(Vector2(2, 3)); | ||
| }) | ||
| ..setImageSampler(0, pixelTexture) | ||
| ..setImageSampler(1, image); | ||
|
|
||
| canvas.drawRect( | ||
| Offset.zero & size, | ||
| Paint()..shader = shader, | ||
| ); | ||
| }, | ||
| child: child!, | ||
| ); | ||
| }, | ||
| ); | ||
| }, | ||
| ), | ||
| ); | ||
| } | ||
| } | ||
|
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| class ImageBuilder extends StatefulWidget { | ||
| const ImageBuilder( | ||
| this.builder, { | ||
| required this.assetImageProvider, | ||
| super.key, | ||
| }); | ||
|
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| final Widget Function(BuildContext context, ui.Image image) builder; | ||
| final ImageProvider assetImageProvider; | ||
|
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| @override | ||
| State<ImageBuilder> createState() => _ImageBuilderState(); | ||
| } | ||
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| class _ImageBuilderState extends State<ImageBuilder> { | ||
| ui.Image? image; | ||
|
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| @override | ||
| void didChangeDependencies() { | ||
| super.didChangeDependencies(); | ||
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| getImage(); | ||
| } | ||
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| Future<void> getImage() async { | ||
| widget.assetImageProvider.resolve(ImageConfiguration.empty).addListener( | ||
| ImageStreamListener((info, synchronousCall) { | ||
| setState(() { | ||
| image = info.image; | ||
| }); | ||
| }), | ||
| ); | ||
| } | ||
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| @override | ||
| Widget build(BuildContext context) { | ||
| final image = this.image; | ||
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| if (image == null) { | ||
| return const SizedBox.shrink(); | ||
| } | ||
|
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| return widget.builder(context, image); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| export 'crt.dart'; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -32,4 +32,4 @@ SPEC CHECKSUMS: | |
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| PODFILE CHECKSUM: 236401fc2c932af29a9fcf0e97baeeb2d750d367 | ||
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| COCOAPODS: 1.12.0 | ||
| COCOAPODS: 1.12.1 | ||
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