Initial commit
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758503d33f
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18
.gitignore
vendored
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18
.gitignore
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# Don’t commit the following directories created by pub.
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.buildlog
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.pub/
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build/
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packages
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.packages
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# Or the files created by dart2js.
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*.dart.js
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*.js_
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*.js.deps
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*.js.map
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# Include when developing application packages.
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pubspec.lock
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# Ignore idea files
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.idea/
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5
CHANGELOG.md
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5
CHANGELOG.md
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# Changelog
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## 0.0.1
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- Initial version, created by Stagehand
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2
LICENSE.md
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2
LICENSE.md
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Copyright (C) 2018
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6
README.md
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6
README.md
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# dart_floyd_steinberg_dithering
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An absolute bare-bones web app.
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Created from templates made available by Stagehand under a BSD-style
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[license](https://github.com/dart-lang/stagehand/blob/master/LICENSE).
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15
analysis_options.yaml
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15
analysis_options.yaml
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analyzer:
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strong-mode: true
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# exclude:
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# - path/to/excluded/files/**
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# Lint rules and documentation, see http://dart-lang.github.io/linter/lints
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linter:
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rules:
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- cancel_subscriptions
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- hash_and_equals
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- iterable_contains_unrelated_type
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- list_remove_unrelated_type
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- test_types_in_equals
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- unrelated_type_equality_checks
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- valid_regexps
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25
pubspec.yaml
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25
pubspec.yaml
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name: dart_floyd_steinberg_dithering
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description: An absolute bare-bones web app.
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version: 0.0.1
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#homepage: https://www.example.com
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#author: marty <email@example.com>
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environment:
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sdk: '>=1.20.1 <2.0.0'
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dependencies:
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image: "^1.1.29"
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# path: ^1.4.1
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dev_dependencies:
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browser: ^0.10.0
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dart_to_js_script_rewriter: ^1.0.1
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transformers:
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- dart_to_js_script_rewriter
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# Uncomment the following in sdk 1.24+ to make pub serve
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# use dartdevc (webdev.dartlang.org/tools/dartdevc).
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#web:
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# compiler:
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# debug: dartdevc
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BIN
web/cat.png
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BIN
web/cat.png
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After Width: | Height: | Size: 238 KiB |
BIN
web/favicon.ico
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web/favicon.ico
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After Width: | Height: | Size: 3.5 KiB |
21
web/index.html
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web/index.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="scaffolded-by" content="https://github.com/google/stagehand">
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<title>dart_floyd_steinberg_dithering</title>
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<link rel="stylesheet" href="styles.css">
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<link rel="icon" href="favicon.ico">
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<script defer src="main.dart" type="application/dart"></script>
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<script defer src="packages/browser/dart.js"></script>
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</head>
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<body>
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<canvas id="input" width="712" height="470"></canvas>
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<canvas id="output" width="712" height="470"></canvas>
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</body>
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</html>
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BIN
web/kitten.jpg
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web/kitten.jpg
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After Width: | Height: | Size: 45 KiB |
56
web/main.dart
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56
web/main.dart
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import 'dart:html';
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import 'package:image/image.dart';
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CanvasElement input;
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CanvasElement output;
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ImageElement inputImg;
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void main() {
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inputImg = new ImageElement(src: 'kitten.jpg', width: 712, height: 470);
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input = document.querySelector('#input');
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print(input);
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inputImg.onLoad.listen(imgLoaded);
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output = document.querySelector('#output');
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output.context2D.fillRect(0, 0, output.width, output.height);
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}
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void imgLoaded(Event e) {
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print("image loaded");
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input.context2D.drawImage(inputImg, 0, 0);
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Image outputImg = editImage( getImageFromCanvas(input) );
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drawImageToCanvas(output, outputImg ) ;
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}
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Image getImageFromCanvas(CanvasElement input) {
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ImageData data = input.context2D.getImageData(0, 0, input.width, input.height);
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return new Image.fromBytes(input.width, input.height, data.data);
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}
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void drawImageToCanvas(CanvasElement canvas, Image image) {
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var imageData = canvas.context2D.createImageData(image.width, image.height);
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imageData.data.setRange(0, imageData.data.length, image.getBytes());
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canvas.context2D.putImageData(imageData, 0, 0);
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}
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Image editImage(Image image) {
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image = contrast( image, 200);
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for (var y = 0; y < image.height; y++) {
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for (var x = 0; x < image.width; x++) {
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// print(image.getPixel(x, y));
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}
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}
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return image;
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}
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16
web/styles.css
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16
web/styles.css
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@import url(https://fonts.googleapis.com/css?family=Roboto);
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html, body {
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width: 100%;
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height: 100%;
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margin: 0;
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padding: 0;
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font-family: 'Roboto', sans-serif;
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background: gainsboro;
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}
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canvas {
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padding: 00px;
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text-align: center;
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}
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