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| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <title>Skia WebTry</title> | |
| 5 <meta charset='utf-8' /> | |
| 6 <style type="text/css" media="screen"> | |
| 7 textarea { | |
| 8 margin-left: 0; | |
| 9 border: solid 1px #ccc; | |
| 10 color: green; | |
| 11 } | |
| 12 pre, code { | |
| 13 padding: 0; | |
| 14 color: green; | |
| 15 } | |
| 16 </style> | |
| 17 </head> | |
| 18 <body> | |
| 19 <pre><code>#include "SkCanvas.h" | |
| 20 #include "SkGraphics.h" | |
| 21 #include "SkImageEncoder.h" | |
| 22 #include "SkImageInfo.h" | |
| 23 #include "SkForceLinking.h" | |
| 24 | |
| 25 int main() { | |
| 26 SkForceLinking(false); | |
| 27 SkGraphics::Init(); | |
| 28 | |
| 29 SkImageInfo info = SkImageInfo::MakeN32(300, 300, kPremul_SkAlphaType); | |
| 30 SkBitmap bitmap; | |
| 31 bitmap.setConfig(info); | |
| 32 bitmap.allocPixels(); | |
| 33 SkCanvas c(bitmap); | |
| 34 c.drawColor(SK_ColorWHITE); | |
| 35 | |
| 36 <textarea name='code' id='code' rows='20' cols='80'>SkPaint p; | |
| 37 p.setColor(SK_ColorRED); | |
| 38 p.setAntiAlias(true); | |
| 39 p.setStyle(SkPaint::kStroke_Style); | |
| 40 p.setStrokeWidth(10); | |
| 41 | |
| 42 c.drawLine(20, 20, 100, 100, p); | |
| 43 </textarea> | |
| 44 | |
| 45 if (!SkImageEncoder::EncodeFile("foo.png", bitmap, SkImageEncoder::kPNG_Type,
100)) { | |
| 46 printf("Failed to encode\n"); | |
| 47 } | |
| 48 } | |
| 49 </code></pre> | |
| 50 | |
| 51 <p>Image appears here:</p> | |
| 52 <img id='img' src=''/> | |
| 53 | |
| 54 <pre><code id='output'></code></pre> | |
| 55 | |
| 56 <input type='button' value='Run' id='run'> | |
| 57 <script type='text/javascript' charset='utf-8'> | |
| 58 var run = document.getElementById('run'); | |
| 59 var code = document.getElementById('code'); | |
| 60 var output = document.getElementById('output'); | |
| 61 var img = document.getElementById('img'); | |
| 62 | |
| 63 function codeComplete(e) { | |
| 64 // The response is JSON of the form: | |
| 65 // { | |
| 66 // "message": "you had an error...", | |
| 67 // "img": "<base64 encoded image but only on success>" | |
| 68 // } | |
| 69 // | |
| 70 // The img is optional and only appears if there is a valid | |
| 71 // image to display. | |
| 72 console.log(e.target.response); | |
| 73 body = JSON.parse(e.target.response); | |
| 74 output.innerText = body.message; | |
| 75 if (body.hasOwnProperty('img')) { | |
| 76 img.src = 'data:image/png;base64,' + body.img; | |
| 77 } else { | |
| 78 img.src = ''; | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 function codeError(e) { | |
| 83 alert('Something bad happened: ' + e); | |
| 84 } | |
| 85 | |
| 86 run.addEventListener('click', onSubmitCode); | |
| 87 function onSubmitCode() { | |
| 88 var req = new XMLHttpRequest(); | |
| 89 req.addEventListener('load', codeComplete); | |
| 90 req.addEventListener('error', codeError); | |
| 91 req.overrideMimeType('application/json'); | |
| 92 req.open('POST', '.', true); | |
| 93 req.send(code.value + '\r\nEOF\r\n'); | |
| 94 } | |
| 95 </script> | |
| 96 </body> | |
| 97 </html> | |
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Chromium Code Reviews
Issue 228693002:
Initial code for webtry, a web application for allowing users to try out Skia. (Closed)
Base URL: https://skia.googlesource.com/skia.git@master