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86 lines
2.2 KiB
86 lines
2.2 KiB
# flutter_gifimage
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We should know that in order to achieve Gif in flutter, we can use Image, but we have no way to manipulate Gif, for example: change its speed, control it has been playing in a frame,
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in which frame range loop. These problems can be solved by this widget,it also help you contain gif cache,avoid load frame every time.
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# Screenshots
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# Usage(Simple)
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add in pubspec
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```dart
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flutter_gifimage: ^1.0.0
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```
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simple usage
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```dart
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GifController controller= GifController(vsync: this);
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GifImage(
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controller: controller,
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image: AssetImage("images/animate.gif"),
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)
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```
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list the most common operate in GifController:
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```dart
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// loop from 0 frame to 29 frame
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controller.repeat(min:0,max:29,period:Duration(millseconds:300));
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// jumpTo thrid frame(index from 0)
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controller.value = 0;
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// from current frame to 26 frame
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controller.animateTo(26);
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```
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If you need to preCache gif,try this
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```dart
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// put imageProvider
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fetchGif(AssetImage("images/animate.gif"));
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```
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# Thanks
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* [gif_ani](https://github.com/hyz1992/gif_ani) (thanks for giving me idea)
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# License
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```
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MIT License
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Copyright (c) 2019 Jpeng
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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``` |