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- name: 2d.color.space.p3.to.p3
desc: test getImageData with display-p3 and uint8 from display p3 uint8 canvas
attributes: '{colorSpace: "display-p3"}'
code: |
var color_style = 'rgb(50, 100, 150)';
// [0.24304, 0.38818, 0.57227, 1.0] * 255 = [62, 99, 146, 255]
var pixel_expected = [62, 99, 146, 255];
var epsilon = 2;
ctx.fillStyle = color_style;
ctx.fillRect(0, 0, 10, 10);
var pixel = ctx.getImageData(5, 5, 1, 1, {colorSpace: "display-p3", storageFormat: "uint8"}).data;
@assert pixel.length === pixel_expected.length;
assert_approx_equals(pixel[0], pixel_expected[0], 2);
assert_approx_equals(pixel[1], pixel_expected[1], 2);
assert_approx_equals(pixel[2], pixel_expected[2], 2);
assert_approx_equals(pixel[3], pixel_expected[3], 2);
- name: 2d.color.space.p3.to.srgb
desc: test getImageData with srsb and uint8 from display p3 uint8 canvas
attributes: '{colorSpace: "display-p3"}'
code: |
var color_style = 'rgb(50, 100, 150)';
var pixel_expected = [50, 100, 150, 255];
var epsilon = 2;
ctx.fillStyle = color_style;
ctx.fillRect(0, 0, 10, 10);
var pixel = ctx.getImageData(5, 5, 1, 1, {colorSpace: "srgb", storageFormat: "uint8"}).data;
@assert pixel.length === pixel_expected.length;
assert_approx_equals(pixel[0], pixel_expected[0], 2);
assert_approx_equals(pixel[1], pixel_expected[1], 2);
assert_approx_equals(pixel[2], pixel_expected[2], 2);
assert_approx_equals(pixel[3], pixel_expected[3], 2);
- name: 2d.color.space.p3.toBlob.p3.canvas
desc: test if toblob returns p3 data from p3 color space canvas
attributes: '{colorSpace: "display-p3"}'
canvas_types: ['HtmlCanvas']
code: |
ctx.fillStyle = "rgba(155, 27, 27, 1)";
ctx.fillRect(0, 0, 1, 1);
ctx.fillStyle = "rgba(27, 155, 27, 0)";
ctx.fillRect(1, 0, 1, 1);
ctx.fillStyle = "rgba(27, 27, 155, 0.5)";
ctx.fillRect(0, 1, 1, 1);
ctx.fillStyle = "rgba(27, 27, 27, 0.5)";
ctx.fillRect(1, 1, 1, 1);
expectedPixels = ctx.getImageData(0, 0, 2, 2, {colorSpace: "display-p3"}).data;
var image = new Image();
image.onload = t.step_func_done(function() {
var dstCanvas = document.createElement("canvas");
dstCanvas.width = 2;
dstCanvas.height = 2;
var ctx = dstCanvas.getContext('2d', {colorSpace: "display-p3"});
ctx.drawImage(image, 0, 0);
var actualPixels = ctx.getImageData(0, 0, 2, 2, {colorSpace: "display-p3"}).data;
assert_array_approx_equals(actualPixels, expectedPixels, 2);
});
canvas.toBlob(function(blob) {
var urlCreator = window.URL || window.webkitURL;
image.src = urlCreator.createObjectURL(blob);
}, 'image/png', 1);
- name: 2d.color.space.p3.toDataURL.p3.canvas
desc: test if toDataURL returns p3 data from canvas with p3 color space
attributes: '{colorSpace: "display-p3"}'
canvas_types: ['HtmlCanvas']
code: |
ctx.fillStyle = "rgba(155, 27, 27, 1)";
ctx.fillRect(0, 0, 1, 1);
ctx.fillStyle = "rgba(27, 155, 27, 0)";
ctx.fillRect(1, 0, 1, 1);
ctx.fillStyle = "rgba(27, 27, 155, 0.5)";
ctx.fillRect(0, 1, 1, 1);
ctx.fillStyle = "rgba(27, 27, 27, 0.5)";
ctx.fillRect(1, 1, 1, 1);
expectedPixels = ctx.getImageData(0, 0, 2, 2, {colorSpace: "display-p3"}).data;
var image = new Image();
image.onload = t.step_func_done(function() {
var dstCanvas = document.createElement("canvas");
dstCanvas.width = 2;
dstCanvas.height = 2;
var ctx = dstCanvas.getContext('2d', {colorSpace: "display-p3"});
ctx.drawImage(image, 0, 0);
var actualPixels = ctx.getImageData(0, 0, 2, 2, {colorSpace: "display-p3"}).data;
assert_array_approx_equals(actualPixels, expectedPixels, 2);
});
image.src = canvas.toDataURL();
- name: 2d.color.space.p3.toDataURL.jpeg.p3.canvas
desc: test if toDataURL('image/jpeg') returns p3 data from canvas with p3 color space
attributes: '{colorSpace: "display-p3"}'
canvas_types: ['HtmlCanvas']
code: |
ctx.fillStyle = "rgba(155, 27, 27, 1)";
ctx.fillRect(0, 0, 1, 1);
ctx.fillStyle = "rgba(27, 155, 27, 0)";
ctx.fillRect(1, 0, 1, 1);
ctx.fillStyle = "rgba(27, 27, 155, 0.5)";
ctx.fillRect(0, 1, 1, 1);
ctx.fillStyle = "rgba(27, 27, 27, 0.5)";
ctx.fillRect(1, 1, 1, 1);
expectedPixels = ctx.getImageData(0, 0, 2, 2, {colorSpace: "display-p3"}).data;
var image = new Image();
image.onload = t.step_func_done(function() {
var dstCanvas = document.createElement("canvas");
dstCanvas.width = 2;
dstCanvas.height = 2;
var ctx = dstCanvas.getContext('2d', {colorSpace: "display-p3"});
ctx.drawImage(image, 0, 0);
var actualPixels = ctx.getImageData(0, 0, 2, 2, {colorSpace: "display-p3"}).data;
assert_array_approx_equals(actualPixels, expectedPixels, 2);
});
image.src = canvas.toDataURL("image/jpeg");
- name: 2d.color.space.p3.toBlob.with.putImageData
desc: Use putImageData to put some p3 data in canvas and test if toBlob returns the same data
attributes: '{colorSpace: "display-p3"}'
canvas_types: ['HtmlCanvas']
code: |
canvas.width = 2;
canvas.height = 2;
// Create an ImageData using createImageData and populate its data array.
var image_data = ctx.createImageData(canvas.width, canvas.height, {colorSpace: "display-p3"});
var color_data = [[255, 100, 150, 1.0], [255, 100, 150, 0.5],
[255, 100, 150, 0.5], [255, 100, 150, 0]];
var data = image_data.data;
for (var i = 0; i < data.length / 4; ++i) {
data[4*i + 0] = color_data[i][0];
data[4*i + 1] = color_data[i][1];
data[4*i + 2] = color_data[i][2];
data[4*i + 3] = color_data[i][3];
}
ctx.putImageData(image_data, 0, 0);
expectedPixels = ctx.getImageData(0, 0, 2, 2, {colorSpace: "display-p3"}).data;
var image = new Image();
image.onload = t.step_func_done(function() {
var dstCanvas = document.createElement("canvas");
dstCanvas.width = 2;
dstCanvas.height = 2;
var ctx = dstCanvas.getContext('2d', {colorSpace: "display-p3"});
ctx.drawImage(image, 0, 0);
var actualPixels = ctx.getImageData(0, 0, 2, 2, {colorSpace: "display-p3"}).data;
assert_array_approx_equals(actualPixels, expectedPixels, 2);
});
canvas.toBlob(function(blob) {
var urlCreator = window.URL || window.webkitURL;
image.src = urlCreator.createObjectURL(blob);
}, 'image/png', 1);
- name: 2d.color.space.p3.toDataURL.with.putImageData
desc: Use putImageData to put some p3 data in canvas and test if toDataURL returns the same data
attributes: '{colorSpace: "display-p3"}'
canvas_types: ['HtmlCanvas']
code: |
canvas.width = 2;
canvas.height = 2;
// Create an ImageData using createImageData and populate its data array.
var image_data = ctx.createImageData(canvas.width, canvas.height, {colorSpace: "display-p3"});
var color_data = [[255, 100, 150, 1.0], [255, 100, 150, 0.5],
[255, 100, 150, 0.5], [255, 100, 150, 0]];
var data = image_data.data;
for (var i = 0; i < data.length / 4; ++i) {
data[4*i + 0] = color_data[i][0];
data[4*i + 1] = color_data[i][1];
data[4*i + 2] = color_data[i][2];
data[4*i + 3] = color_data[i][3];
}
ctx.putImageData(image_data, 0, 0);
expectedPixels = ctx.getImageData(0, 0, 2, 2, {colorSpace: "display-p3"}).data;
var image = new Image();
image.onload = t.step_func_done(function() {
var dstCanvas = document.createElement("canvas");
dstCanvas.width = 2;
dstCanvas.height = 2;
var ctx = dstCanvas.getContext('2d', {colorSpace: "display-p3"});
ctx.drawImage(image, 0, 0);
var actualPixels = ctx.getImageData(0, 0, 2, 2, {colorSpace: "display-p3"}).data;
assert_array_approx_equals(actualPixels, expectedPixels, 2);
});
image.src = canvas.toDataURL();
- name: 2d.color.space.p3.fillText
desc: Test if fillText can be used with a solid display-p3 color
attributes: '{colorSpace: "display-p3"}'
canvas_types: ['HtmlCanvas']
code: |
deferTest();
const fullRedInP3 = [255, 0, 0, 255];
const sRGBRedInP3 = [234, 51, 35, 255];
canvas.width = 100;
canvas.height = 100;
let f = new FontFace("Ahem", "url(/fonts/Ahem.ttf)");
document.fonts.add(f);
f.load().then(function() {
t.step(function() {
ctx.font = "40px Ahem";
ctx.fillStyle = "#f00";
ctx.fillText("A", 0, 50);
ctx.fillStyle = "black";
ctx.fillStyle = "color(display-p3 100% 0 0)";
ctx.fillText("A", 50, 50);
let pixels = ctx.getImageData(0, 0, canvas.width, canvas.height, { colorSpace: "display-p3" }).data;
let pixelAt = function(x, y) {
let offset = (y * canvas.width + x) * 4;
return [pixels[offset], pixels[offset + 1], pixels[offset + 2], pixels[offset + 3]];
};
assert_array_equals(pixelAt(25, 25), sRGBRedInP3);
assert_array_equals(pixelAt(75, 25), fullRedInP3);
t.done();
});
});
- name: 2d.color.space.p3.strokeText
desc: Test if strokeText can be used with a solid display-p3 color
attributes: '{colorSpace: "display-p3"}'
canvas_types: ['HtmlCanvas']
code: |
deferTest();
const fullRedInP3 = [255, 0, 0, 255];
const sRGBRedInP3 = [234, 51, 35, 255];
canvas.width = 100;
canvas.height = 100;
let f = new FontFace("Ahem", "url(/fonts/Ahem.ttf)");
document.fonts.add(f);
f.load().then(function() {
t.step(function() {
ctx.font = "40px Ahem";
ctx.strokeStyle = "#f00";
ctx.lineWidth = 20;
ctx.strokeText("A", 0, 50);
ctx.strokeStyle = "black";
ctx.strokeStyle = "color(display-p3 100% 0 0)";
ctx.strokeText("A", 50, 50);
let pixels = ctx.getImageData(0, 0, canvas.width, canvas.height, { colorSpace: "display-p3" }).data;
let pixelAt = function(x, y) {
let offset = (y * canvas.width + x) * 4;
return [pixels[offset], pixels[offset + 1], pixels[offset + 2], pixels[offset + 3]];
};
assert_array_equals(pixelAt(25, 25), sRGBRedInP3);
assert_array_equals(pixelAt(75, 25), fullRedInP3);
t.done();
});
});
- name: 2d.color.space.p3.fillText.shadow
desc: Test if fillText can be used with a display-p3 shadow color
attributes: '{colorSpace: "display-p3"}'
canvas_types: ['HtmlCanvas']
code: |
deferTest();
const fullRedInP3 = [255, 0, 0, 255];
const sRGBRedInP3 = [234, 51, 35, 255];
canvas.width = 100;
canvas.height = 100;
let f = new FontFace("Ahem", "url(/fonts/Ahem.ttf)");
document.fonts.add(f);
f.load().then(function() {
t.step(function() {
ctx.font = "40px Ahem";
ctx.fillStyle = "black";
ctx.shadowBlur = 4;
ctx.shadowOffsetX = 0;
ctx.shadowOffsetY = 50;
ctx.shadowColor = "#f00";
ctx.fillText("A", 0, 0);
ctx.shadowColor = "black";
ctx.shadowColor = "color(display-p3 100% 0 0)";
ctx.fillText("A", 50, 0);
let pixels = ctx.getImageData(0, 0, canvas.width, canvas.height, { colorSpace: "display-p3" }).data;
let pixelAt = function(x, y) {
let offset = (y * canvas.width + x) * 4;
return [pixels[offset], pixels[offset + 1], pixels[offset + 2], pixels[offset + 3]];
};
assert_array_equals(pixelAt(25, 25), sRGBRedInP3);
assert_array_equals(pixelAt(75, 25), fullRedInP3);
t.done();
});
});