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Bug 1141979 - part17 - mochitest - draw special color formats onto canvas; r=jrmuizel

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MozReview-Commit-ID: 8BYDS2tqlDc

--HG--
extra : transplant_source : %27%F4%15%C0%3E%D4%C1e%E6k6M%99%B4%CCR%F0%D4%CD%A4
This commit is contained in:
Kaku Kuo 2016-04-25 22:30:11 +08:00
parent 4c82e9f4a9
commit 4eed785c7d
2 changed files with 82 additions and 2 deletions
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5
dom/canvas/test/imagebitmap_extensions.html
View File

@ -20,8 +20,6 @@ function ok(expect, msg) {
function runTests() {
prepareSources().
then(testExceptions).
then(testColorConversions()).
then( function() { return Promise.all([testAccessing_randomTest("Video", gVideo, 20), // video might use slightly different frames
testAccessing_randomTest("Image", gImage, 0),
testAccessing_randomTest("Canvas", gCanvas, 0),
@ -40,6 +38,9 @@ function runTests() {
testCreateFromArrayBffer_randomTest("PNG", gPNGBlob, 0),
testCreateFromArrayBffer_randomTest("JPEG", gJPEGBlob, 10) // JPEG loses information
]); }).
then(testDraw()).
then(testExceptions).
then(testColorConversions()).
then(function() {window.parent.postMessage({"type": "finish"}, "*");}, function(ev) { failed(ev); window.parent.postMessage({"type": "finish"}, "*"); });
}

79
dom/canvas/test/imagebitmap_extensions.js
View File

@ -251,6 +251,18 @@ function testColorConversions() {
]);
}
function testDraw() {
return Promise.all([doOneDrawTest("RGB24"),
doOneDrawTest("BGR24"),
doOneDrawTest("YUV444P", 5),
doOneDrawTest("YUV422P", 2),
doOneDrawTest("YUV420P", 2),
doOneDrawTest("YUV420SP_NV12", 2),
doOneDrawTest("YUV420SP_NV21", 2),
doOneDrawTest("HSV", 2),
doOneDrawTest("Lab", 2)]);
}
// Create an ImageBitmap, _bitmap_, from the _source_.
// Read the underlying data of _bitmap_ into _bitmapBuffer_.
// Compare the _bitmapBuffer_ with gGroundTruthImageData.
@ -419,3 +431,70 @@ function testColorConversion(sourceFromat, destinationFormat, tolerance, shouldT
);
});
}
function doOneDrawTest(sourceFromat, tolerance) {
tolerance = tolerance || 0;
var destinationFormat = "RGBA32";
return new Promise(function(resolve, reject) {
var [srcData, dstData] = getTestData(sourceFromat, destinationFormat);
ok(!!srcData, "Get valid srcData of type:" + sourceFromat);
ok(!!dstData, "Get valid dstData of type:" + destinationFormat);
var p = createImageBitmap(srcData.buffer,
0,
srcData.bufferLength,
srcData.format,
srcData.pixelLayout);
p.then(
function(srcBitmap) {
ok(!!srcBitmap, "Should get a valid srcBitmap.");
ok(srcBitmap.findOptimalFormat() == sourceFromat, "srcBitmap.findOptimalFormat():" + srcBitmap.findOptimalFormat() +
" should equal to sourceFromat:" + sourceFromat);
var canvas = document.createElement("canvas");
canvas.width = srcBitmap.width;
canvas.height = srcBitmap.height;
var ctx = canvas.getContext("2d");
ctx.drawImage(srcBitmap, 0, 0, srcBitmap.width, srcBitmap.height);
// Get an ImageData from the canvas.
var imageData = ctx.getImageData(0, 0, srcBitmap.width, srcBitmap.height);
for (var i = 0; i < srcBitmap.height; ++i) {
for (var j = 0; j < srcBitmap.width; ++j) {
var pixelOffset = i * srcBitmap.width * dstData.channelCount + j * dstData.channelCount;
var dstImageDataValue_R = imageData.data[pixelOffset + 0];
var dstImageDataValue_G = imageData.data[pixelOffset + 1];
var dstImageDataValue_B = imageData.data[pixelOffset + 2];
var dstImageDataValue_A = imageData.data[pixelOffset + 3];
var logPrefix = "[" + sourceFromat + " -> " + destinationFormat + "] pixel(" + i + "," + j + ")";
var dstDataValue_R = dstData.getPixelValue(i, j, 0);
var dstDataValue_G = dstData.getPixelValue(i, j, 1);
var dstDataValue_B = dstData.getPixelValue(i, j, 2);
var dstDataValue_A = dstData.getPixelValue(i, j, 3);
ok(Math.abs(dstImageDataValue_R - dstDataValue_R) <= tolerance,
logPrefix + "channnel(R): dstImageDataValue:" + dstImageDataValue_R + " should equal to dstDataValue_R: " + dstDataValue_R);
ok(Math.abs(dstImageDataValue_G - dstDataValue_G) <= tolerance,
logPrefix + "channnel(G): dstImageDataValue:" + dstImageDataValue_G + " should equal to dstDataValue_G: " + dstDataValue_G);
ok(Math.abs(dstImageDataValue_B - dstDataValue_B) <= tolerance,
logPrefix + "channnel(B): dstImageDataValue:" + dstImageDataValue_B + " should equal to dstDataValue_B: " + dstDataValue_B);
ok(Math.abs(dstImageDataValue_A - dstDataValue_A) <= tolerance,
logPrefix + "channnel(A): dstImageDataValue:" + dstImageDataValue_A + " should equal to dstDataValue_A: " + dstDataValue_A);
}
}
resolve();
},
function(ev) {
failed(ev);
reject(ev);
}
);
});
}