| <!DOCTYPE html> |
| <head> |
| <style> |
| div.container { |
| display: inline-block; |
| margin-right: 20px; |
| margin-bottom: 10px; |
| width: 100px; |
| vertical-align: top; |
| } |
| div.horizontal { |
| width: 102; |
| height: 52px; |
| } |
| div.vertical { |
| width: 52px; |
| height: 102px; |
| } |
| canvas { |
| border: 1px solid black; |
| } |
| canvas.horizontal { |
| width: 100px; |
| height: 50px; |
| } |
| canvas.vertical { |
| width: 50px; |
| height: 100px; |
| } |
| </style> |
| </head> |
| <script id="vertexShaderSource" type="text/glsl"> |
| attribute vec4 a_position; |
| varying vec2 v_texturePosition; |
| |
| void main() { |
| v_texturePosition = vec2((a_position.x + 1.0) / 2.0, (a_position.y + 1.0) / 2.0); |
| gl_Position = a_position; |
| } |
| </script> |
| <script id="fragmentShaderSource" type="text/glsl"> |
| precision mediump float; |
| |
| varying vec2 v_texturePosition; |
| |
| uniform sampler2D texture; |
| |
| void main() { |
| gl_FragColor = texture2D(texture, v_texturePosition); |
| } |
| </script> |
| <script src="resources/webgl-draw-image.js"></script> |
| <body> |
| <b>WebGLRenderingContext.texImage2D() should rotate the images respecting their EXIF orientation.</b> |
| <br> |
| <br> |
| <div class ="container"> |
| <div class ="horizontal"> |
| <canvas class="horizontal" id="canvas2"></canvas> |
| </div> |
| <br>Flipped horizontally |
| </div> |
| <div class ="container"> |
| <div class ="horizontal"> |
| <canvas class="horizontal" id="canvas3"></canvas> |
| </div> |
| <br>Rotated 180° |
| </div> |
| <div class ="container"> |
| <div class ="horizontal"> |
| <canvas class="horizontal" id="canvas4"></canvas> |
| </div> |
| <br>Flipped vertically |
| </div> |
| <br> |
| <div class ="container"> |
| <div class ="vertical"> |
| <canvas class="vertical" id="canvas5"></canvas> |
| </div> |
| <br>Rotated 90° CCW and flipped vertically |
| </div> |
| <div class ="container"> |
| <div class ="vertical"> |
| <canvas class="vertical" id="canvas6"></canvas> |
| </div> |
| <br>Rotated 90° CCW |
| </div> |
| <div class ="container"> |
| <div class ="vertical"> |
| <canvas class="vertical" id="canvas7"></canvas> |
| </div> |
| <br>Rotated 90° CW and flipped vertically |
| </div> |
| <div class ="container"> |
| <div class ="vertical"> |
| <canvas class="vertical" id="canvas8"></canvas> |
| </div> |
| <br>Rotated 90° CW |
| </div> |
| <br> |
| <script> |
| if (window.testRunner) |
| window.testRunner.waitUntilDone(); |
| |
| window.onload = function() { |
| var names = [ |
| { resource: "resources/exif-orientation-2-ur.jpg", id : "canvas2" }, |
| { resource: "resources/exif-orientation-3-lr.jpg", id : "canvas3" }, |
| { resource: "resources/exif-orientation-4-lol.jpg", id : "canvas4" }, |
| { resource: "resources/exif-orientation-5-lu.jpg", id : "canvas5" }, |
| { resource: "resources/exif-orientation-6-ru.jpg", id : "canvas6" }, |
| { resource: "resources/exif-orientation-7-rl.jpg", id : "canvas7" }, |
| { resource: "resources/exif-orientation-8-llo.jpg", id : "canvas8" }, |
| ]; |
| |
| var drawCount = 0; |
| |
| names.forEach(function(name) { |
| var image = new Image; |
| image.src = name.resource; |
| image.decode().then(() => { |
| let canvas = document.getElementById(name.id); |
| canvas.width = image.width * window.devicePixelRatio; |
| canvas.height = image.height * window.devicePixelRatio; |
| webglDrawImage(canvas, image); |
| if (++drawCount == names.length) { |
| if (window.testRunner) |
| window.testRunner.notifyDone(); |
| } |
| }); |
| }); |
| } |
| </script> |
| </body> |
