gecko-dev/dom/canvas/test/imagebitmap_extensions.js

526 строки
28 KiB
JavaScript

function failed(ex) {
ok(false, "Promise failure: " + ex);
}
function isPixel(sourceType, bitmapFormat, imageData, bitmapImageData, x, y, tolerance) {
if (imageData.width != bitmapImageData.width ||
imageData.height != bitmapImageData.height) {
ok(false, "Wrong dimension");
}
var index = 4 * (y * imageData.width + x);
var pr = imageData.data[index+0],
pg = imageData.data[index+1],
pb = imageData.data[index+2],
pa = imageData.data[index+3];
if (bitmapFormat == "RGBA32" || bitmapFormat == "RGBX32") {
var bpr = bitmapImageData.data[index+0],
bpg = bitmapImageData.data[index+1],
bpb = bitmapImageData.data[index+2],
bpa = bitmapImageData.data[index+3];
}
else if (bitmapFormat == "BGRA32" || bitmapFormat == "BGRX32") {
var bpb = bitmapImageData.data[index+0],
bpg = bitmapImageData.data[index+1],
bpr = bitmapImageData.data[index+2],
bpa = bitmapImageData.data[index+3];
}
else {
// format might be one of the followings: "R5G6B5", "A8", "YUV", ""
ok(false, "Not supported ImageFormat: " + bitmapFormat);
}
ok(pr - tolerance <= bpr && bpr <= pr + tolerance &&
pg - tolerance <= bpg && bpg <= pg + tolerance &&
pb - tolerance <= bpb && bpb <= pb + tolerance &&
pa - tolerance <= bpa && bpa <= pa + tolerance,
"pixel[" + x + "][" + y + "]: " + sourceType + " is "+pr+","+pg+","+pb+","+pa+"; ImageBitmap is "+ bpr + "," + bpg + "," + bpb + "," + bpa);
}
function promiseThrows(p, name) {
var didThrow;
return p.then(function() { didThrow = false; },
function() { didThrow = true; })
.then(function() { ok(didThrow, name); });
}
function testExceptions() {
return Promise.all([
promiseThrows(testColorConversion("GRAY8", "RGBA32", undefined, true), "[Exception] Cannot convert from GRAY8 to RGBA32"),
promiseThrows(testColorConversion("GRAY8", "BGRA32", undefined, true), "[Exception] Cannot convert from GRAY8 to BGRA32"),
promiseThrows(testColorConversion("GRAY8", "RGB24", undefined, true), "[Exception] Cannot convert from GRAY8 to RGB24"),
promiseThrows(testColorConversion("GRAY8", "BGR24", undefined, true), "[Exception] Cannot convert from GRAY8 to BGR24"),
promiseThrows(testColorConversion("GRAY8", "YUV444P", undefined, true), "[Exception] Cannot convert from GRAY8 to YUV444P"),
promiseThrows(testColorConversion("GRAY8", "YUV422P", undefined, true), "[Exception] Cannot convert from GRAY8 to YUV422P"),
promiseThrows(testColorConversion("GRAY8", "YUV420P", undefined, true), "[Exception] Cannot convert from GRAY8 to YUV420P"),
promiseThrows(testColorConversion("GRAY8", "YUV420SP_NV12", undefined, true), "[Exception] Cannot convert from GRAY8 to YUV420SP_NV12"),
promiseThrows(testColorConversion("GRAY8", "YUV420SP_NV21", undefined, true), "[Exception] Cannot convert from GRAY8 to YUV420SP_NV21"),
promiseThrows(testColorConversion("GRAY8", "HSV", undefined, true), "[Exception] Cannot convert from GRAY8 to HSV"),
promiseThrows(testColorConversion("GRAY8", "Lab", undefined, true), "[Exception] Cannot convert from GRAY8 to Lab"),
promiseThrows(testColorConversion("GRAY8", "DEPTH", undefined, true), "[Exception] Cannot convert from GRAY8 to DEPTH"),
promiseThrows(testColorConversion("DEPTH", "RGBA32", undefined, true), "[Exception] Cannot convert from DEPTH to RGBA32"),
promiseThrows(testColorConversion("DEPTH", "BGRA32", undefined, true), "[Exception] Cannot convert from DEPTH to BGRA32"),
promiseThrows(testColorConversion("DEPTH", "RGB24", undefined, true), "[Exception] Cannot convert from DEPTH to RGB24"),
promiseThrows(testColorConversion("DEPTH", "BGR24", undefined, true), "[Exception] Cannot convert from DEPTH to BGR24"),
promiseThrows(testColorConversion("DEPTH", "GRAY8", undefined, true), "[Exception] Cannot convert from DEPTH to GRAY8"),
promiseThrows(testColorConversion("DEPTH", "YUV444P", undefined, true), "[Exception] Cannot convert from DEPTH to YUV444P"),
promiseThrows(testColorConversion("DEPTH", "YUV422P", undefined, true), "[Exception] Cannot convert from DEPTH to YUV422P"),
promiseThrows(testColorConversion("DEPTH", "YUV420P", undefined, true), "[Exception] Cannot convert from DEPTH to YUV420P"),
promiseThrows(testColorConversion("DEPTH", "YUV420SP_NV12", undefined, true), "[Exception] Cannot convert from DEPTH to YUV420SP_NV12"),
promiseThrows(testColorConversion("DEPTH", "YUV420SP_NV21", undefined, true), "[Exception] Cannot convert from DEPTH to YUV420SP_NV21"),
promiseThrows(testColorConversion("DEPTH", "HSV", undefined, true), "[Exception] Cannot convert from DEPTH to HSV"),
promiseThrows(testColorConversion("DEPTH", "Lab", undefined, true), "[Exception] Cannot convert from DEPTH to Lab"),
promiseThrows(testColorConversion("RGBA32", "DEPTH", undefined, true), "[Exception] Cannot convert from RGBA32 to DEPTH"),
promiseThrows(testColorConversion("BGRA32", "DEPTH", undefined, true), "[Exception] Cannot convert from BGRA32 to DEPTH"),
promiseThrows(testColorConversion("RGB24", "DEPTH", undefined, true), "[Exception] Cannot convert from RGB24 to DEPTH"),
promiseThrows(testColorConversion("BGR24", "DEPTH", undefined, true), "[Exception] Cannot convert from BGR24 to DEPTH"),
promiseThrows(testColorConversion("YUV444P", "DEPTH", undefined, true), "[Exception] Cannot convert from YUV444P to DEPTH"),
promiseThrows(testColorConversion("YUV422P", "DEPTH", undefined, true), "[Exception] Cannot convert from YUV422P to DEPTH"),
promiseThrows(testColorConversion("YUV420P", "DEPTH", undefined, true), "[Exception] Cannot convert from YUV420P to DEPTH"),
promiseThrows(testColorConversion("YUV420SP_NV12", "DEPTH", undefined, true), "[Exception] Cannot convert from YUV420SP_NV12 to DEPTH"),
promiseThrows(testColorConversion("YUV420SP_NV21", "DEPTH", undefined, true), "[Exception] Cannot convert from YUV420SP_NV21 to DEPTH"),
promiseThrows(testColorConversion("HSV", "DEPTH", undefined, true), "[Exception] Cannot convert from HSV to DEPTH"),
promiseThrows(testColorConversion("Lab", "DEPTH", undefined, true), "[Exception] Cannot convert from Lab to DEPTH"),
]);
}
function testInvalidAccess(sources) {
function callMapDataIntoWithImageBitmapCroppedOutSideOfTheSourceImage(source) {
return new Promise(function(resolve, reject) {
var p = createImageBitmap(source, -1, -1, 2, 2);
p.then(
function(bitmap) {
var format = bitmap.findOptimalFormat();
var length = bitmap.mappedDataLength(format);
var buffer = new ArrayBuffer(length);
bitmap.mapDataInto(format, buffer, 0).then(
function(layout) { resolve(); },
function(error) { reject(error); }
);
},
function() { resolve(); });
});
};
var testCases = sources.map( function(source) {
return promiseThrows(callMapDataIntoWithImageBitmapCroppedOutSideOfTheSourceImage(source),
"[Exception] mapDataInto() should throw with transparent black."); });
return Promise.all(testCases);
}
function testColorConversions() {
return Promise.all([// From RGBA32
testColorConversion("RGBA32", "RGBA32"),
testColorConversion("RGBA32", "BGRA32"),
testColorConversion("RGBA32", "RGB24"),
testColorConversion("RGBA32", "BGR24"),
testColorConversion("RGBA32", "GRAY8"),
testColorConversion("RGBA32", "YUV444P"),
testColorConversion("RGBA32", "YUV422P"),
testColorConversion("RGBA32", "YUV420P", 2),
testColorConversion("RGBA32", "YUV420SP_NV12"),
testColorConversion("RGBA32", "YUV420SP_NV21"),
testColorConversion("RGBA32", "HSV", 0.01),
testColorConversion("RGBA32", "Lab", 0.5),
// From BGRA32
testColorConversion("BGRA32", "RGBA32"),
testColorConversion("BGRA32", "BGRA32"),
testColorConversion("BGRA32", "RGB24"),
testColorConversion("BGRA32", "BGR24"),
testColorConversion("BGRA32", "GRAY8"),
testColorConversion("BGRA32", "YUV444P", 3),
testColorConversion("BGRA32", "YUV422P", 2),
testColorConversion("BGRA32", "YUV420P", 2),
testColorConversion("BGRA32", "YUV420SP_NV12", 2),
testColorConversion("BGRA32", "YUV420SP_NV21", 2),
testColorConversion("BGRA32", "HSV", 0.01),
testColorConversion("BGRA32", "Lab", 0.5),
// From RGB24
testColorConversion("RGB24", "RGBA32"),
testColorConversion("RGB24", "BGRA32"),
testColorConversion("RGB24", "RGB24"),
testColorConversion("RGB24", "BGR24"),
testColorConversion("RGB24", "GRAY8"),
testColorConversion("RGB24", "YUV444P"),
testColorConversion("RGB24", "YUV422P"),
testColorConversion("RGB24", "YUV420P"),
testColorConversion("RGB24", "YUV420SP_NV12"),
testColorConversion("RGB24", "YUV420SP_NV21"),
testColorConversion("RGB24", "HSV", 0.01),
testColorConversion("RGB24", "Lab", 0.5),
// From BGR24
testColorConversion("BGR24", "RGBA32"),
testColorConversion("BGR24", "BGRA32"),
testColorConversion("BGR24", "RGB24"),
testColorConversion("BGR24", "BGR24"),
testColorConversion("BGR24", "GRAY8"),
testColorConversion("BGR24", "YUV444P"),
testColorConversion("BGR24", "YUV422P"),
testColorConversion("BGR24", "YUV420P"),
testColorConversion("BGR24", "YUV420SP_NV12"),
testColorConversion("BGR24", "YUV420SP_NV21"),
testColorConversion("BGR24", "HSV", 0.01),
testColorConversion("BGR24", "Lab", 0.5),
// From YUV444P
testColorConversion("YUV444P", "RGBA32"),
testColorConversion("YUV444P", "BGRA32"),
testColorConversion("YUV444P", "RGB24"),
testColorConversion("YUV444P", "BGR24"),
testColorConversion("YUV444P", "GRAY8"),
testColorConversion("YUV444P", "YUV444P"),
testColorConversion("YUV444P", "YUV422P", 4),
testColorConversion("YUV444P", "YUV420P", 3),
testColorConversion("YUV444P", "YUV420SP_NV12", 3),
testColorConversion("YUV444P", "YUV420SP_NV21", 3),
testColorConversion("YUV444P", "HSV", 0.01),
testColorConversion("YUV444P", "Lab", 0.01),
// From YUV422P
testColorConversion("YUV422P", "RGBA32"),
testColorConversion("YUV422P", "BGRA32", 2),
testColorConversion("YUV422P", "RGB24"),
testColorConversion("YUV422P", "BGR24"),
testColorConversion("YUV422P", "GRAY8"),
testColorConversion("YUV422P", "YUV444P", 3),
testColorConversion("YUV422P", "YUV422P"),
testColorConversion("YUV422P", "YUV420P"),
testColorConversion("YUV422P", "YUV420SP_NV12"),
testColorConversion("YUV422P", "YUV420SP_NV21"),
testColorConversion("YUV422P", "HSV", 0.01),
testColorConversion("YUV422P", "Lab", 0.01),
// From YUV420P
testColorConversion("YUV420P", "RGBA32", 2),
testColorConversion("YUV420P", "BGRA32", 2),
testColorConversion("YUV420P", "RGB24"),
testColorConversion("YUV420P", "BGR24"),
testColorConversion("YUV420P", "GRAY8"),
testColorConversion("YUV420P", "YUV444P", 3),
testColorConversion("YUV420P", "YUV422P", 1),
testColorConversion("YUV420P", "YUV420P"),
testColorConversion("YUV420P", "YUV420SP_NV12"),
testColorConversion("YUV420P", "YUV420SP_NV21"),
testColorConversion("YUV420P", "HSV", 0.01),
testColorConversion("YUV420P", "Lab", 0.01),
// From NV12
testColorConversion("YUV420SP_NV12", "RGBA32"),
testColorConversion("YUV420SP_NV12", "BGRA32", 2),
testColorConversion("YUV420SP_NV12", "RGB24"),
testColorConversion("YUV420SP_NV12", "BGR24"),
testColorConversion("YUV420SP_NV12", "GRAY8"),
testColorConversion("YUV420SP_NV12", "YUV444P", 3),
testColorConversion("YUV420SP_NV12", "YUV422P", 1),
testColorConversion("YUV420SP_NV12", "YUV420P"),
testColorConversion("YUV420SP_NV12", "YUV420SP_NV12"),
testColorConversion("YUV420SP_NV12", "YUV420SP_NV21"),
testColorConversion("YUV420SP_NV12", "HSV", 0.01),
testColorConversion("YUV420SP_NV12", "Lab", 0.01),
// From NV21
testColorConversion("YUV420SP_NV21", "RGBA32"),
testColorConversion("YUV420SP_NV21", "BGRA32", 2),
testColorConversion("YUV420SP_NV21", "RGB24"),
testColorConversion("YUV420SP_NV21", "BGR24"),
testColorConversion("YUV420SP_NV21", "GRAY8"),
testColorConversion("YUV420SP_NV21", "YUV444P", 3),
testColorConversion("YUV420SP_NV21", "YUV422P", 1),
testColorConversion("YUV420SP_NV21", "YUV420P"),
testColorConversion("YUV420SP_NV21", "YUV420SP_NV12"),
testColorConversion("YUV420SP_NV21", "YUV420SP_NV21"),
testColorConversion("YUV420SP_NV21", "HSV", 0.01),
testColorConversion("YUV420SP_NV21", "Lab", 0.01),
// From HSV
testColorConversion("HSV", "RGBA32"),
testColorConversion("HSV", "BGRA32"),
testColorConversion("HSV", "RGB24"),
testColorConversion("HSV", "BGR24"),
testColorConversion("HSV", "GRAY8"),
testColorConversion("HSV", "YUV444P"),
testColorConversion("HSV", "YUV422P"),
testColorConversion("HSV", "YUV420P"),
testColorConversion("HSV", "YUV420SP_NV12"),
testColorConversion("HSV", "YUV420SP_NV21"),
testColorConversion("HSV", "HSV", 0),
testColorConversion("HSV", "Lab", 0.5),
// From Lab
testColorConversion("Lab", "RGBA32", 1),
testColorConversion("Lab", "BGRA32", 1),
testColorConversion("Lab", "RGB24", 1),
testColorConversion("Lab", "BGR24", 1),
testColorConversion("Lab", "GRAY8", 1),
testColorConversion("Lab", "YUV444P", 1),
testColorConversion("Lab", "YUV422P", 1),
testColorConversion("Lab", "YUV420P", 1),
testColorConversion("Lab", "YUV420SP_NV12", 1),
testColorConversion("Lab", "YUV420SP_NV21", 1),
testColorConversion("Lab", "HSV", 0.5),
testColorConversion("Lab", "Lab", 0),
// From GRAY8
testColorConversion("GRAY8", "GRAY8"),
// From DEPTH
testColorConversion("DEPTH", "DEPTH", 0, Uint16Array),
]);
}
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.
function testAccessing_randomTest(sourceType, source, duration) {
return new Promise(function(resolve, reject) {
var p = createImageBitmap(source);
p.then(
function(bitmap) {
bitmapFormat = "RGBA32";
var bitmapBufferLength = bitmap.mappedDataLength(bitmapFormat);
var bitmapBuffer = new ArrayBuffer(bitmapBufferLength);
var bitmapBufferView = new Uint8ClampedArray(bitmapBuffer, 0, bitmapBufferLength);
var promise = bitmap.mapDataInto(bitmapFormat, bitmapBuffer, 0);
promise.then(
function(bitmapPixelLayout) {
// Prepare.
bitmapImageData = new ImageData(bitmapBufferView, bitmap.width, bitmap.height);
// Test.
for (var t = 0; t < 50; ++t) {
var randomX = Math.floor(Math.random() * 240);
var randomY = Math.floor(Math.random() * 175);
isPixel(sourceType, "RGBA32", gGroundTruthImageData, bitmapImageData, randomX, randomY, duration);
}
resolve();
},
function(ev) { failed(ev); reject(); });
},
function(ev) { failed(ev); reject(); });
});
}
// Create an ImageBitmap, _bitmap_, from the _source_.
// Read the underlying data of _bitmap_ into _bitmapBuffer_.
// Create another ImageBitmap, _bitmap2_, from _bitmapBuffer_.
// Read the underlying data of _bitmap2_ into _bitmapBuffer2_.
// Compare the _bitmapBuffer2_ with gGroundTruthImageData.
function testCreateFromArrayBffer_randomTest(sourceType, source, duration) {
return new Promise(function(resolve, reject) {
var p = createImageBitmap(source);
p.then(
function(bitmap) {
bitmapFormat = "RGBA32";
var bitmapBufferLength = bitmap.mappedDataLength(bitmapFormat);
var bitmapBuffer = new ArrayBuffer(bitmapBufferLength);
var bitmapBufferView = new Uint8ClampedArray(bitmapBuffer, 0, bitmapBufferLength);
var promiseMapDataInto = bitmap.mapDataInto(bitmapFormat, bitmapBuffer, 0);
promiseMapDataInto.then(
function(bitmapPixelLayout) {
// Create a new ImageBitmap from an ArrayBuffer.
var p2 = createImageBitmap(bitmapBufferView,
0,
bitmapBufferLength,
bitmapFormat,
bitmapPixelLayout);
p2.then(
function(bitmap2) {
bitmapFormat2 = "RGBA32";
var bitmapBufferLength2 = bitmap2.mappedDataLength(bitmapFormat2);
var bitmapBuffer2 = new ArrayBuffer(bitmapBufferLength2);
var bitmapBufferView2 = new Uint8ClampedArray(bitmapBuffer2, 0, bitmapBufferLength2);
var promise2 = bitmap2.mapDataInto(bitmapFormat2, bitmapBuffer2, 0);
promise2.then(
function(bitmapPixelLayout2) {
// Prepare.
var bitmapImageData2 = new ImageData(bitmapBufferView2, bitmap2.width, bitmap2.height);
// Test.
for (var t = 0; t < 50; ++t) {
var randomX = Math.floor(Math.random() * 240);
var randomY = Math.floor(Math.random() * 175);
isPixel(sourceType, "RGBA32", gGroundTruthImageData, bitmapImageData2, randomX, randomY, duration);
}
resolve();
},
function(ev) { failed(ev); reject(); });
},
function(ev) { console.log("p2 rejected!"); failed(ev); reject(); });
},
function(ev) { console.log("promiseMapDataInto rejected!"); failed(ev); reject(); });
},
function(ev) { failed(ev); reject(); });
});
}
function testColorConversion(sourceFromat, destinationFormat, tolerance, shouldThrow) {
tolerance = tolerance || 0;
shouldThrow = shouldThrow || false;
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);
// printInfo(sourceFromat, srcData);
// printInfo(destinationFormat, dstData);
// Create a new ImageBitmap from an ArrayBuffer.
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 dstBufferLength = srcBitmap.mappedDataLength(destinationFormat);
var dstBuffer = new ArrayBuffer(dstBufferLength);
var dstBufferView = new dstData.ArrayType(dstBuffer, 0, dstBufferLength / dstData.ArrayType.BYTES_PER_ELEMENT);
// Do color conversion here.
var p2 = srcBitmap.mapDataInto(destinationFormat, dstBuffer, 0);
p2.then(
function(dstPixelLayout) {
var dataPixalLayout = dstData.pixelLayout;
// Check pixel layout.
ok(dstPixelLayout.length == dstData.channelCount, "dstPixelLayout.length:" + dstPixelLayout.length +
" should equal to dstData.channelCount:" + dstData.channelCount);
for (var c = 0; c < dstData.channelCount; ++c) {
var dstChannelLayout = dstPixelLayout[c];
var dataChannelLayout = dataPixalLayout[c];
ok(dstChannelLayout.width == dataChannelLayout.width, "channel[" + c + "] dstChannelLayout.width:" + dstChannelLayout.width + " should equal to dataChannelLayout.width:" + dataChannelLayout.width);
ok(dstChannelLayout.height == dataChannelLayout.height, "channel[" + c + "] dstChannelLayout.height:" + dstChannelLayout.height + " should equal to dataChannelLayout.height:" + dataChannelLayout.height);
ok(dstChannelLayout.skip == dataChannelLayout.skip, "channel[" + c + "] dstChannelLayout.skip:" + dstChannelLayout.skip + " should equal to dataChannelLayout.skip:" + dataChannelLayout.skip);
for (var i = 0; i < dstChannelLayout.height; ++i) {
for (var j = 0; j < dstChannelLayout.width; ++j) {
var byteOffset = dstChannelLayout.offset + i * dstChannelLayout.stride + j * (dstChannelLayout.skip + 1) * dstData.ArrayType.BYTES_PER_ELEMENT;
var view = new dstData.ArrayType(dstBuffer, byteOffset, 1);
var dstBufferViewValue = view[0];
var dstDataValue = dstData.getPixelValue(i, j, c);
ok(Math.abs(dstBufferViewValue - dstDataValue) <= tolerance,
"[" + sourceFromat + " -> " + destinationFormat + "] pixel(" + i + "," + j + ") channnel(" + c +
"): dstBufferViewValue:" + dstBufferViewValue +
" should equal to dstDataValue:" + dstDataValue);
}
}
}
resolve();
},
function(ev) {
// If the "mapDataInto" throws, the flow goes here.
if (!shouldThrow) { failed(ev); }
reject();
}
);
},
function(ev) {
reject(ev);
}
);
});
}
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);
}
);
});
}