<!DOCTYPE html >
<meta charset='UTF-8' >
<!--
Color Test
Clear the four quadrants of the canvas as follows:
+------+------+
| blue |black |
| | |
+------+------+
| red |green |
| | |
+------+------+
Clear with a given alpha value. What effect this has depends on the
context-creation args passed to this page.
-->
<html class='reftest-wait' >
<head >
<script type='text/javascript' src='webgl-utils.js' ></script >
<script type='text/javascript' >
'use strict' ;
var COLOR_VALUE = 127.0 / 255.0;
var ALPHA_VALUE = 127.0 / 255.0;
function renderFrame(gl) {
gl.enable(gl.SCISSOR_TEST);
gl.scissor(0, 0, 100, 100);
gl.clearColor(COLOR_VALUE, 0.0, 0.0, ALPHA_VALUE);
gl.clear(gl.COLOR_BUFFER_BIT);
gl.scissor(100, 0, 100, 100);
gl.clearColor(0.0, COLOR_VALUE, 0.0, ALPHA_VALUE);
gl.clear(gl.COLOR_BUFFER_BIT);
gl.scissor(0, 100, 100, 100);
gl.clearColor(0.0, 0.0, COLOR_VALUE, ALPHA_VALUE);
gl.clear(gl.COLOR_BUFFER_BIT);
gl.scissor(100, 100, 100, 100);
gl.clearColor(0.0, 0.0, 0.0, ALPHA_VALUE);
gl.clear(gl.COLOR_BUFFER_BIT);
}
////////////////////////////////////////////////////////////////////////////////
// Boilerplate
var TIMEOUT_MS = 30 * 1000;
function setStatus(text) {
var elem = document.getElementById('status' );
elem.innerHTML = text;
}
var gIsComplete = false;
function markComplete(statusText) {
if (!statusText)
statusText = '' ;
if (gIsComplete)
return;
gIsComplete = true;
setStatus(statusText);
document.documentElement.removeAttribute('class' );
}
function markError(text) {
markComplete('Error: ' + text);
}
function markTimedOut() {
markError('Timed out waiting on test completion.' );
}
function runFrame(gl, frameCount, maxFrameCount) {
renderFrame(gl);
frameCount++;
if (frameCount >= maxFrameCount) {
console.log('Rendered ' + frameCount + ' frames.' );
markComplete();
return;
}
requestAnimationFrame(function(){
runFrame(gl, frameCount, maxFrameCount);
});
}
function runTest() {
var canvas = document.getElementById('canvas' );
var gl = initGL(canvas );
if (!gl) {
markError('WebGL context creation failed.' );
return;
}
var maxFrameCount = arg('frame' , 1);
if (maxFrameCount < 1) {
markError('Invalid `frame` arg: ' + maxFrameCount);
return;
}
setStatus('Waiting...' );
runFrame(gl, 0, maxFrameCount);
setTimeout(markTimedOut, TIMEOUT_MS);
}
</script >
</head >
<body onload='runTest();' >
<canvas style ="position:fixed; left: 0px; top: 0px;" id='canvas' width='200' height='200' ></canvas >
<div style ="display:block; background-color: blue; position: fixed; top: 75px; left: 0px; width: 50px; height: 50px;" ></div >
<div id='status' ></div >
</body >
</html >
Messung V0.5 C=100 H=100 G=100
¤ Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.0.20Bemerkung:
(vorverarbeitet)
¤
*Bot Zugriff