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docs: Add filter example

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Hajime Hoshi 2018-02-14 10:38:26 +09:00
parent cf333775f2
commit ed9de264f0
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1
_docs/gen.go
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@ -191,6 +191,7 @@ var (
}
graphicsExamples = []example{
{Name: "alphablending", ThumbWidth: 320, ThumbHeight: 240},
{Name: "filter", ThumbWidth: 320, ThumbHeight: 240},
{Name: "flood", ThumbWidth: 320, ThumbHeight: 240},
{Name: "font", ThumbWidth: 320, ThumbHeight: 240},
{Name: "highdpi", ThumbWidth: 320, ThumbHeight: 240},

31
docs/examples/filter.content.html Normal file
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@ -0,0 +1,31 @@
<!DOCTYPE html>
<meta charset="utf-8">
<script>
'use strict';
window.addEventListener('load', function() {
function isProduction() {
var l = window.top.location;
if (l.hash === '#_production') {
return true;
}
if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
return false;
}
return true;
}
var s = document.createElement('script');
var src = 'filter.js';
if (isProduction()) {
src = 'https://hajimehoshi.github.io/ebiten.pagestorage/latest/' + src;
}
s.src = src;
s.onload = function() {
var notice = document.getElementById('notice');
notice.parentNode.removeChild(notice);
};
document.body.appendChild(s);
});
</script>
<title>(Example)</title>
<p id="notice" style="color: white;">Now Loading...</p>

98
docs/examples/filter.html Normal file
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@ -0,0 +1,98 @@
<!DOCTYPE html>
<meta charset="utf-8">
<meta property="og:image" itemprop="image primaryImageOfPage" content="https://hajimehoshi.github.io/ebiten/images/examples/filter.png">
<meta name="description" content="Ebiten example - filter">
<link rel="shortcut icon" href="../favicon.png" type="image/png" >
<link rel="icon" href="../favicon.png" type="image/png" >
<title>Ebiten example - filter</title>
<link rel="stylesheet" href="../stylesheets/bootstrap.min.css">
<link rel="stylesheet" href="../stylesheets/highlight-github.css">
<link rel="stylesheet" href="../stylesheets/ebiten.css">
<script src="../scripts/googleanalytics.js"></script>
<nav class="navbar"><div class="container">
<nav class="d-flex flex-row" style="width: 100%;">
<div class="nav mr-auto"><a class="navbar-brand" href="../"><img src="../images/logo_white.svg" alt="EBITEN"></a></div>
<ul class="nav">
<li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten">GitHub</a></li>
<li class="nav-item"><a class="nav-link" href="https://godoc.org/github.com/hajimehoshi/ebiten">GoDoc</a></li>
<li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten/wiki">Wiki</a>
<li class="nav-item"><a class="nav-link" href="https://ebiten-playground.github.io/">Playground</a>
</ul>
</nav>
</div></nav>
<main><div class="container">
<h2>Ebiten example - filter</h2>
<iframe src="filter.content.html" width="640" height="480"></iframe>
<div class="card"><pre class="card-body"><code class="language-go">// &#43;build example
package main
import (
_ &#34;image/png&#34;
&#34;log&#34;
&#34;github.com/hajimehoshi/ebiten&#34;
&#34;github.com/hajimehoshi/ebiten/ebitenutil&#34;
)
const (
screenWidth = 640
screenHeight = 480
)
var (
ebitenImage *ebiten.Image
)
func update(screen *ebiten.Image) error {
if ebiten.IsRunningSlowly() {
return nil
}
ebitenutil.DebugPrint(screen, &#34;Nearest Filter (default) VS Linear Filter&#34;)
op := &amp;ebiten.DrawImageOptions{}
op.GeoM.Scale(4, 4)
op.GeoM.Translate(64, 64)
// By default, nearest filter is used.
screen.DrawImage(ebitenImage, op)
op = &amp;ebiten.DrawImageOptions{}
op.GeoM.Scale(4, 4)
op.GeoM.Translate(64, 64&#43;240)
// Specify linear filter.
op.Filter = ebiten.FilterLinear
screen.DrawImage(ebitenImage, op)
return nil
}
func main() {
var err error
// Specifying filter on NewImage(FromImage) is just for backward compatibility.
// Now specifying filter at DrawImageOptions is recommended.
// Specify FilterDefault here, that means to prefer filter specified at DrawImageOptions.
ebitenImage, _, err = ebitenutil.NewImageFromFile(&#34;_resources/images/ebiten.png&#34;, ebiten.FilterDefault)
if err != nil {
log.Fatal(err)
}
if err := ebiten.Run(update, screenWidth, screenHeight, 1, &#34;Filter (Ebiten Demo)&#34;); err != nil {
log.Fatal(err)
}
}
</code></pre></div>
</div></main>
<footer><div class="container">
<p>© 2013 Hajime Hoshi</p>
<p>Code is licensed under <a href="https://github.com/hajimehoshi/ebiten/blob/master/LICENSE">the Apache License 2.0</a>.</p>
<p>The content of this page is licensed under <a href="https://creativecommons.org/licenses/by/4.0/">the Creative Commons Attribution 4.0 License</a>.</p>
</div></footer>
<script src="../scripts/highlight.pack.js"></script>
<script>hljs.initHighlightingOnLoad();</script>

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2
docs/index.html
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@ -72,6 +72,8 @@
<div class="row">
<div class="col-3">
<a href="examples/alphablending.html"><img src="images/examples/alphablending.png" width="320" height="240" alt="Ebiten example: alphablending" class="img-thumbnail"></a>
</div><div class="col-3">
<a href="examples/filter.html"><img src="images/examples/filter.png" width="320" height="240" alt="Ebiten example: filter" class="img-thumbnail"></a>
</div><div class="col-3">
<a href="examples/flood.html"><img src="images/examples/flood.png" width="320" height="240" alt="Ebiten example: flood" class="img-thumbnail"></a>
</div><div class="col-3">