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# Try most of the CSS3 Color <color> values.
- name: 2d.fillStyle.parse
macros: |
{% macro js_format(color) %}
{% set r, g, b, a = color %}
{{- '%d,%d,%d,%d' | format(r, g, b, a) -}}
{% endmacro %}
{% macro cairo_format(color) %}
{% set r, g, b, a = color %}
{{- '%f, %f, %f, %f' |
format(r / 255.0, g / 255.0, b / 255.0, a / 255.0) -}}
{% endmacro %}
code: |
{% import 'macros' as m %}
ctx.fillStyle = '#f00';
ctx.fillStyle = '{{ string }}';
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == {{ m.js_format(color) }};
expected: |
{% import 'macros' as m %}
size 100 50
cr.set_source_rgba({{ m.cairo_format(color) }})
cr.rectangle(0, 0, 100, 50)
cr.fill()
big_float: '1{% for i in range(39) %}0{% endfor %}'
big_double: '1{% for i in range(310) %}0{% endfor %}'
variants:
- html4: {string: 'limE', color: [0, 255, 0, 255]}
hex3: {string: '#0f0', color: [0, 255, 0, 255]}
hex4: {string: '#0f0f', color: [0, 255, 0, 255]}
hex6: {string: '#00fF00', color: [0, 255, 0, 255]}
hex8: {string: '#00ff00ff', color: [0, 255, 0, 255]}
rgb-num: {string: 'rgb(0,255,0)', color: [0, 255, 0, 255]}
rgb-clamp-1: {string: 'rgb(-1000, 1000, -1000)', color: [0, 255, 0, 255],
notes: 'Assumes colors are clamped to [0,255].'}
rgb-clamp-2: {string: 'rgb(-200%, 200%, -200%)', color: [0, 255, 0, 255],
notes: 'Assumes colors are clamped to [0,255].'}
rgb-clamp-3: {string: 'rgb(-2147483649, 4294967298, -18446744073709551619)',
color: [0, 255, 0, 255],
notes: 'Assumes colors are clamped to [0,255].'}
rgb-clamp-4:
string: 'rgb(-{{ big_float }}, {{ big_float }}, -{{ big_float }})'
color: [0, 255, 0, 255]
notes: 'Assumes colors are clamped to [0,255].'
rgb-clamp-5:
string: 'rgb(-{{ big_double }}, {{ big_double }}, -{{ big_double }})'
color: [0, 255, 0, 255]
notes: 'Assumes colors are clamped to [0,255].'
rgb-percent:
string: 'rgb(0% ,100% ,0%)'
color: [0, 255, 0, 255]
notes: >-
CSS3 Color says "The integer value 255 corresponds to 100%". (In
particular, it is not 254...)
# See CSS2.1 4.2 "Unexpected end of style sheet".
rgb-eof: {string: 'rgb(0, 255, 0', color: [0, 255, 0, 255]}
rgba-solid-1: {string: 'rgba( 0 , 255 , 0 , 1 )',
color: [0, 255, 0, 255]}
rgba-solid-2: {string: 'rgba( 0 , 255 , 0 , 1.0 )',
color: [0, 255, 0, 255]}
rgba-solid-3: {string: 'rgba( 0 , 255 , 0 , +1 )',
color: [0, 255, 0, 255]}
rgba-solid-4: {string: 'rgba( -0 , 255 , +0 , 1 )',
color: [0, 255, 0, 255]}
rgba-num-1: {string: 'rgba( 0 , 255 , 0 , .499 )',
color: [0, 255, 0, 127]}
rgba-num-2: {string: 'rgba( 0 , 255 , 0 , 0.499 )',
color: [0, 255, 0, 127]}
rgba-percent:
string: 'rgba(0%,100%,0%,0.499)'
# 0.499*255 rounds to 127, both down and nearest, so it should be safe.
color: [0, 255, 0, 127]
rgba-clamp-1: {string: 'rgba(0, 255, 0, -2)', color: [0, 0, 0, 0]}
rgba-clamp-2: {string: 'rgba(0, 255, 0, 2)', color: [0, 255, 0, 255]}
rgba-eof: {string: 'rgba(0, 255, 0, 1', color: [0, 255, 0, 255]}
transparent-1: {string: 'transparent', color: [0, 0, 0, 0]}
transparent-2: {string: 'TrAnSpArEnT', color: [0, 0, 0, 0]}
hsl-1: {string: 'hsl(120, 100%, 50%)', color: [0, 255, 0, 255]}
hsl-2: {string: 'hsl( -240 , 100% , 50% )', color: [0, 255, 0, 255]}
hsl-3: {string: 'hsl(360120, 100%, 50%)', color: [0, 255, 0, 255]}
hsl-4: {string: 'hsl(-360240, 100%, 50%)', color: [0, 255, 0, 255]}
hsl-5: {string: 'hsl(120.0, 100.0%, 50.0%)', color: [0, 255, 0, 255]}
hsl-6: {string: 'hsl(+120, +100%, +50%)', color: [0, 255, 0, 255]}
hsl-clamp-negative-saturation: {string: 'hsl(120, -200%, 49.9%)',
color: [127, 127, 127, 255]}
hsla-1: {string: 'hsla(120, 100%, 50%, 0.499)', color: [0, 255, 0, 127]}
hsla-2: {string: 'hsla( 120.0 , 100.0% , 50.0% , 1 )',
color: [0, 255, 0, 255]}
hsla-clamp-negative-saturation: {string: 'hsla(120, -200%, 49.9%, 1)',
color: [127, 127, 127, 255]}
hsla-clamp-alpha-1: {string: 'hsla(120, 100%, 50%, 2)',
color: [0, 255, 0, 255]}
hsla-clamp-alpha-2: {string: 'hsla(120, 100%, 0%, -2)',
color: [0, 0, 0, 0]}
svg-1: {string: 'gray', color: [128, 128, 128, 255]}
svg-2: {string: 'grey', color: [128, 128, 128, 255]}
# css-color-4 rgb() color function.
css-color-4-rgb-1: {string: 'rgb(0, 255.0, 0)', color: [0, 255, 0, 255]}
css-color-4-rgb-2: {string: 'rgb(0, 255, 0, 0.2)', color: [0, 255, 0, 51]}
css-color-4-rgb-3: {string: 'rgb(0, 255, 0, 20%)', color: [0, 255, 0, 51]}
css-color-4-rgb-4: {string: 'rgb(0 255 0)', color: [0, 255, 0, 255]}
css-color-4-rgb-5: {string: 'rgb(0 255 0 / 0.2)', color: [0, 255, 0, 51]}
css-color-4-rgb-6: {string: 'rgb(0 255 0 / 20%)', color: [0, 255, 0, 51]}
css-color-4-rgba-1: {string: 'rgba(0, 255.0, 0)', color: [0, 255, 0, 255]}
css-color-4-rgba-2: {string: 'rgba(0, 255, 0, 0.2)', color: [0, 255, 0, 51]}
css-color-4-rgba-3: {string: 'rgba(0, 255, 0, 20%)', color: [0, 255, 0, 51]}
css-color-4-rgba-4: {string: 'rgba(0 255 0)', color: [0, 255, 0, 255]}
css-color-4-rgba-5: {string: 'rgba(0 255 0 / 0.2)', color: [0, 255, 0, 51]}
css-color-4-rgba-6: {string: 'rgba(0 255 0 / 20%)', color: [0, 255, 0, 51]}
# css-color-4 hsl() color function.
css-color-4-hsl-1: {string: 'hsl(120 100.0% 50.0%)',
color: [0, 255, 0, 255]}
css-color-4-hsl-2: {string: 'hsl(120 100.0% 50.0% / 0.2)',
color: [0, 255, 0, 51]}
css-color-4-hsl-3: {string: 'hsl(120.0, 100.0%, 50.0%, 0.2)',
color: [0, 255, 0, 51]}
css-color-4-hsl-4: {string: 'hsl(120.0, 100.0%, 50.0%, 20%)',
color: [0, 255, 0, 51]}
css-color-4-hsl-5: {string: 'hsl(120deg, 100.0%, 50.0%, 0.2)',
color: [0, 255, 0, 51]}
css-color-4-hsl-6: {string: 'hsl(120deg, 100.0%, 50.0%)',
color: [0, 255, 0, 255]}
css-color-4-hsl-7: {string: 'hsl(133.33333333grad, 100.0%, 50.0%)',
color: [0, 255, 0, 255]}
css-color-4-hsl-8: {string: 'hsl(2.0943951024rad, 100.0%, 50.0%)',
color: [0, 255, 0, 255]}
css-color-4-hsl-9: {string: 'hsl(0.3333333333turn, 100.0%, 50.0%)',
color: [0, 255, 0, 255]}
css-color-4-hsla-1: {string: 'hsl(120 100.0% 50.0%)',
color: [0, 255, 0, 255]}
css-color-4-hsla-2: {string: 'hsl(120 100.0% 50.0% / 0.2)',
color: [0, 255, 0, 51]}
css-color-4-hsla-3: {string: 'hsl(120.0, 100.0%, 50.0%, 0.2)',
color: [0, 255, 0, 51]}
css-color-4-hsla-4: {string: 'hsl(120.0, 100.0%, 50.0%, 20%)',
color: [0, 255, 0, 51]}
css-color-4-hsla-5: {string: 'hsl(120deg, 100.0%, 50.0%, 0.2)',
color: [0, 255, 0, 51]}
css-color-4-hsla-6: {string: 'hsl(120deg, 100.0%, 50.0%)',
color: [0, 255, 0, 255]}
css-color-4-hsla-7: {string: 'hsl(133.33333333grad, 100.0%, 50.0%)',
color: [0, 255, 0, 255]}
css-color-4-hsla-8: {string: 'hsl(2.0943951024rad, 100.0%, 50.0%)',
color: [0, 255, 0, 255]}
css-color-4-hsla-9: {string: 'hsl(0.3333333333turn, 100.0%, 50.0%)',
color: [0, 255, 0, 255]}
# currentColor is handled later.
# Test that invalid colors are ignored.
- name: 2d.fillStyle.parse.invalid
code: |
ctx.fillStyle = '#0f0';
try { ctx.fillStyle = '{{ string }}'; } catch (e) { } \-
// this shouldn't throw, but it shouldn't matter here if it does
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
expected: 'green'
variants:
- hex1: {string: '#f'}
hex2: {string: '#f0'}
hex3: {string: '#g00'}
hex4: {string: '#fg00'}
hex5: {string: '#ff000'}
hex6: {string: '#fg0000'}
hex7: {string: '#ff0000f'}
hex8: {string: '#fg0000ff'}
rgb-1: {string: 'rgb(255.0, 0, 0,)'}
rgb-2: {string: 'rgb(100%, 0, 0)'}
rgb-3: {string: 'rgb(255, - 1, 0)'}
rgba-1: {string: 'rgba(100%, 0, 0, 1)'}
rgba-2: {string: 'rgba(255, 0, 0, 1. 0)'}
rgba-3: {string: 'rgba(255, 0, 0, 1.)'}
rgba-4: {string: 'rgba(255, 0, 0, '}
rgba-5: {string: 'rgba(255, 0, 0, 1,)'}
hsl-1: {string: 'hsl(0%, 100%, 50%)'}
hsl-2: {string: 'hsl(z, 100%, 50%)'}
hsl-3: {string: 'hsl(0, 0, 50%)'}
hsl-4: {string: 'hsl(0, 100%, 0)'}
hsl-5: {string: 'hsl(0, 100.%, 50%)'}
hsl-6: {string: 'hsl(0, 100%, 50%,)'}
hsla-1: {string: 'hsla(0%, 100%, 50%, 1)'}
hsla-2: {string: 'hsla(0, 0, 50%, 1)'}
hsla-3: {string: 'hsla(0, 0, 50%, 1,)'}
name-1: {string: 'darkbrown'}
name-2: {string: 'firebrick1'}
name-3: {string: 'red blue'}
name-4: {string: '"red"'}
name-5: {string: '"red'}
# css-color-4 color function.
# Comma and comma-less expressions should not mix together.
css-color-4-rgb-1: {string: 'rgb(255, 0, 0 / 1)'}
css-color-4-rgb-2: {string: 'rgb(255 0 0, 1)'}
css-color-4-rgb-3: {string: 'rgb(255, 0 0)'}
css-color-4-rgba-1: {string: 'rgba(255, 0, 0 / 1)'}
css-color-4-rgba-2: {string: 'rgba(255 0 0, 1)'}
css-color-4-rgba-3: {string: 'rgba(255, 0 0)'}
css-color-4-hsl-1: {string: 'hsl(0, 100%, 50% / 1)'}
css-color-4-hsl-2: {string: 'hsl(0 100% 50%, 1)'}
css-color-4-hsl-3: {string: 'hsl(0, 100% 50%)'}
css-color-4-hsla-1: {string: 'hsla(0, 100%, 50% / 1)'}
css-color-4-hsla-2: {string: 'hsla(0 100% 50%, 1)'}
css-color-4-hsla-3: {string: 'hsla(0, 100% 50%)'}
# Trailing slash.
css-color-4-rgb-4: {string: 'rgb(0 0 0 /)'}
css-color-4-rgb-5: {string: 'rgb(0, 0, 0 /)'}
css-color-4-hsl-4: {string: 'hsl(0 100% 50% /)'}
css-color-4-hsl-5: {string: 'hsl(0, 100%, 50% /)'}
# Implemented as a negative test because we don't know what color it's meant to
# be.
- name: 2d.fillStyle.parse.system
code: |
ctx.fillStyle = '#f00';
ctx.fillStyle = 'ThreeDDarkShadow';
@assert ctx.fillStyle =~ /^#(?!(FF0000|ff0000|f00)$)/; // test that it's \-
not red
- name: 2d.fillStyle.parse.current.basic
desc: currentColor is computed from the canvas element
canvas_types: ['HtmlCanvas']
code: |
canvas.setAttribute('style', 'color: #0f0');
ctx.fillStyle = '#f00';
ctx.fillStyle = 'currentColor';
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.fillStyle.parse.current.changed
desc: currentColor is computed when the attribute is set, not when it is painted
canvas_types: ['HtmlCanvas']
code: |
canvas.setAttribute('style', 'color: #0f0');
ctx.fillStyle = '#f00';
ctx.fillStyle = 'currentColor';
canvas.setAttribute('style', 'color: #f00');
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.fillStyle.parse.current.removed
desc: currentColor is solid black when the canvas element is not in a document
canvas_types: ['HtmlCanvas']
code: |
// Try not to let it undetectably incorrectly pick up opaque-black
// from other parts of the document:
document.body.parentNode.setAttribute('style', 'color: #f00');
document.body.setAttribute('style', 'color: #f00');
canvas.setAttribute('style', 'color: #f00');
var canvas2 = document.createElement('canvas');
var ctx2 = canvas2.getContext('2d');
ctx2.fillStyle = '#f00';
ctx2.fillStyle = 'currentColor';
ctx2.fillRect(0, 0, 100, 50);
ctx.drawImage(canvas2, 0, 0);
document.body.parentNode.removeAttribute('style');
document.body.removeAttribute('style');
@assert pixel 50,25 == 0,0,0,255;
expected: |
size 100 50
cr.set_source_rgb(0, 0, 0)
cr.rectangle(0, 0, 100, 50)
cr.fill()
- name: 2d.fillStyle.invalidstring
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillStyle = 'invalid';
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.fillStyle.invalidtype
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillStyle = null;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.fillStyle.get.solid
code: |
ctx.fillStyle = '#fa0';
@assert ctx.fillStyle === '#ffaa00';
- name: 2d.fillStyle.get.semitransparent
code: |
ctx.fillStyle = 'rgba(255,255,255,0.45)';
@assert ctx.fillStyle =~ /^rgba\(255, 255, 255, 0\.4\d+\)$/;
- name: 2d.fillStyle.get.halftransparent
code: |
ctx.fillStyle = 'rgba(255,255,255,0.5)';
@assert ctx.fillStyle === 'rgba(255, 255, 255, 0.5)';
- name: 2d.fillStyle.get.transparent
code: |
ctx.fillStyle = 'rgba(0,0,0,0)';
@assert ctx.fillStyle === 'rgba(0, 0, 0, 0)';
- name: 2d.fillStyle.default
code: |
@assert ctx.fillStyle === '#000000';
- name: 2d.fillStyle.toStringFunctionCallback
desc: Passing a function in to ctx.fillStyle or ctx.strokeStyle with a toString callback works as specified
code: |
ctx.fillStyle = { toString: function() { return "#008000"; } };
@assert ctx.fillStyle === "#008000";
ctx.fillStyle = {};
@assert ctx.fillStyle === "#008000";
ctx.fillStyle = 800000;
@assert ctx.fillStyle === "#008000";
@assert throws TypeError ctx.fillStyle = { toString: function() { throw new TypeError; } };
ctx.strokeStyle = { toString: function() { return "#008000"; } };
@assert ctx.strokeStyle === "#008000";
ctx.strokeStyle = {};
@assert ctx.strokeStyle === "#008000";
ctx.strokeStyle = 800000;
@assert ctx.strokeStyle === "#008000";
@assert throws TypeError ctx.strokeStyle = { toString: function() { throw new TypeError; } };
- name: 2d.strokeStyle.default
code: |
@assert ctx.strokeStyle === '#000000';
- name: 2d.gradient.object.type
desc: window.CanvasGradient exists and has the right properties
notes: &bindings Defined in "Web IDL" (draft)
code: |
{% set root = 'self' if canvas_type == 'Worker' else 'window' %}
@assert {{ root }}.CanvasGradient !== undefined;
@assert {{ root }}.CanvasGradient.prototype.addColorStop !== undefined;
- name: 2d.gradient.object.return
desc: createLinearGradient() and createRadialGradient() returns objects implementing
CanvasGradient
code: |
{% set root = 'self' if canvas_type == 'Worker' else 'window' %}
{{ root }}.CanvasGradient.prototype.thisImplementsCanvasGradient = true;
var g1 = ctx.createLinearGradient(0, 0, 100, 0);
@assert g1.addColorStop !== undefined;
@assert g1.thisImplementsCanvasGradient === true;
var g2 = ctx.createRadialGradient(0, 0, 10, 0, 0, 20);
@assert g2.addColorStop !== undefined;
@assert g2.thisImplementsCanvasGradient === true;
- name: 2d.gradient.interpolate.solid
code: |
var g = ctx.createLinearGradient(0, 0, 100, 0);
g.addColorStop(0, '#0f0');
g.addColorStop(1, '#0f0');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.gradient.interpolate.color
code: |
var g = ctx.createLinearGradient(0, 0, 100, 0);
g.addColorStop(0, '#ff0');
g.addColorStop(1, '#00f');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 25,25 ==~ 191,191,63,255 +/- 3;
@assert pixel 50,25 ==~ 127,127,127,255 +/- 3;
@assert pixel 75,25 ==~ 63,63,191,255 +/- 3;
expected: |
size 100 50
g = cairo.LinearGradient(0, 0, 100, 0)
g.add_color_stop_rgb(0, 1,1,0)
g.add_color_stop_rgb(1, 0,0,1)
cr.set_source(g)
cr.rectangle(0, 0, 100, 50)
cr.fill()
- name: 2d.gradient.interpolate.alpha
code: |
ctx.fillStyle = '#ff0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createLinearGradient(0, 0, 100, 0);
g.addColorStop(0, 'rgba(0,0,255, 0)');
g.addColorStop(1, 'rgba(0,0,255, 1)');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 25,25 ==~ 191,191,63,255 +/- 3;
@assert pixel 50,25 ==~ 127,127,127,255 +/- 3;
@assert pixel 75,25 ==~ 63,63,191,255 +/- 3;
expected: |
size 100 50
g = cairo.LinearGradient(0, 0, 100, 0)
g.add_color_stop_rgb(0, 1,1,0)
g.add_color_stop_rgb(1, 0,0,1)
cr.set_source(g)
cr.rectangle(0, 0, 100, 50)
cr.fill()
- name: 2d.gradient.interpolate.coloralpha
code: |
var g = ctx.createLinearGradient(0, 0, 100, 0);
g.addColorStop(0, 'rgba(255,255,0, 0)');
g.addColorStop(1, 'rgba(0,0,255, 1)');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 25,25 ==~ 190,190,65,65 +/- 3;
@assert pixel 50,25 ==~ 126,126,128,128 +/- 3;
@assert pixel 75,25 ==~ 62,62,192,192 +/- 3;
expected: |
size 100 50
g = cairo.LinearGradient(0, 0, 100, 0)
g.add_color_stop_rgba(0, 1,1,0, 0)
g.add_color_stop_rgba(1, 0,0,1, 1)
cr.set_source(g)
cr.rectangle(0, 0, 100, 50)
cr.fill()
- name: 2d.gradient.interpolate.outside
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createLinearGradient(25, 0, 75, 0);
g.addColorStop(0.4, '#0f0');
g.addColorStop(0.6, '#0f0');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 20,25 ==~ 0,255,0,255;
@assert pixel 50,25 ==~ 0,255,0,255;
@assert pixel 80,25 ==~ 0,255,0,255;
expected: green
- name: 2d.gradient.interpolate.zerosize.fill
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createLinearGradient(50, 25, 50, 25); // zero-length line (undefined direction)
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.rect(0, 0, 100, 50);
ctx.fill();
@assert pixel 40,20 == 0,255,0,255;
expected: green
- name: 2d.gradient.interpolate.zerosize.stroke
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createLinearGradient(50, 25, 50, 25); // zero-length line (undefined direction)
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.strokeStyle = g;
ctx.rect(20, 20, 60, 10);
ctx.stroke();
@assert pixel 19,19 == 0,255,0,255;
@assert pixel 20,19 == 0,255,0,255;
@assert pixel 21,19 == 0,255,0,255;
@assert pixel 19,20 == 0,255,0,255;
@assert pixel 20,20 == 0,255,0,255;
@assert pixel 21,20 == 0,255,0,255;
@assert pixel 19,21 == 0,255,0,255;
@assert pixel 20,21 == 0,255,0,255;
@assert pixel 21,21 == 0,255,0,255;
expected: green
- name: 2d.gradient.interpolate.zerosize.fillRect
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createLinearGradient(50, 25, 50, 25); // zero-length line (undefined direction)
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 40,20 == 0,255,0,255; @moz-todo
expected: green
- name: 2d.gradient.interpolate.zerosize.strokeRect
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createLinearGradient(50, 25, 50, 25); // zero-length line (undefined direction)
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.strokeStyle = g;
ctx.strokeRect(20, 20, 60, 10);
@assert pixel 19,19 == 0,255,0,255;
@assert pixel 20,19 == 0,255,0,255;
@assert pixel 21,19 == 0,255,0,255;
@assert pixel 19,20 == 0,255,0,255;
@assert pixel 20,20 == 0,255,0,255;
@assert pixel 21,20 == 0,255,0,255;
@assert pixel 19,21 == 0,255,0,255;
@assert pixel 20,21 == 0,255,0,255;
@assert pixel 21,21 == 0,255,0,255;
expected: green
- name: 2d.gradient.interpolate.zerosize.fillText
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createLinearGradient(50, 25, 50, 25); // zero-length line (undefined direction)
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.font = '100px sans-serif';
ctx.fillText("AA", 0, 50);
_assertGreen(ctx, 100, 50);
expected: green
- name: 2d.gradient.interpolate.zerosize.strokeText
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createLinearGradient(50, 25, 50, 25); // zero-length line (undefined direction)
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.strokeStyle = g;
ctx.font = '100px sans-serif';
ctx.strokeText("AA", 0, 50);
_assertGreen(ctx, 100, 50);
expected: green
- name: 2d.gradient.interpolate.vertical
code: |
var g = ctx.createLinearGradient(0, 0, 0, 50);
g.addColorStop(0, '#ff0');
g.addColorStop(1, '#00f');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,12 ==~ 191,191,63,255 +/- 10;
@assert pixel 50,25 ==~ 127,127,127,255 +/- 5;
@assert pixel 50,37 ==~ 63,63,191,255 +/- 10;
expected: |
size 100 50
g = cairo.LinearGradient(0, 0, 0, 50)
g.add_color_stop_rgb(0, 1,1,0)
g.add_color_stop_rgb(1, 0,0,1)
cr.set_source(g)
cr.rectangle(0, 0, 100, 50)
cr.fill()
- name: 2d.gradient.interpolate.multiple
code: |
canvas.width = 200;
var g = ctx.createLinearGradient(0, 0, 200, 0);
g.addColorStop(0, '#ff0');
g.addColorStop(0.5, '#0ff');
g.addColorStop(1, '#f0f');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 200, 50);
@assert pixel 50,25 ==~ 127,255,127,255 +/- 3;
@assert pixel 100,25 ==~ 0,255,255,255 +/- 3;
@assert pixel 150,25 ==~ 127,127,255,255 +/- 3;
expected: |
size 200 50
g = cairo.LinearGradient(0, 0, 200, 0)
g.add_color_stop_rgb(0.0, 1,1,0)
g.add_color_stop_rgb(0.5, 0,1,1)
g.add_color_stop_rgb(1.0, 1,0,1)
cr.set_source(g)
cr.rectangle(0, 0, 200, 50)
cr.fill()
- name: 2d.gradient.interpolate.overlap
code: |
canvas.width = 200;
var g = ctx.createLinearGradient(0, 0, 200, 0);
g.addColorStop(0, '#f00');
g.addColorStop(0, '#ff0');
g.addColorStop(0.25, '#00f');
g.addColorStop(0.25, '#0f0');
g.addColorStop(0.25, '#0f0');
g.addColorStop(0.25, '#0f0');
g.addColorStop(0.25, '#ff0');
g.addColorStop(0.5, '#00f');
g.addColorStop(0.5, '#0f0');
g.addColorStop(0.75, '#00f');
g.addColorStop(0.75, '#f00');
g.addColorStop(0.75, '#ff0');
g.addColorStop(0.5, '#0f0');
g.addColorStop(0.5, '#0f0');
g.addColorStop(0.5, '#ff0');
g.addColorStop(1, '#00f');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 200, 50);
@assert pixel 49,25 ==~ 0,0,255,255 +/- 16;
@assert pixel 51,25 ==~ 255,255,0,255 +/- 16;
@assert pixel 99,25 ==~ 0,0,255,255 +/- 16;
@assert pixel 101,25 ==~ 255,255,0,255 +/- 16;
@assert pixel 149,25 ==~ 0,0,255,255 +/- 16;
@assert pixel 151,25 ==~ 255,255,0,255 +/- 16;
expected: |
size 200 50
g = cairo.LinearGradient(0, 0, 50, 0)
g.add_color_stop_rgb(0, 1,1,0)
g.add_color_stop_rgb(1, 0,0,1)
cr.set_source(g)
cr.rectangle(0, 0, 50, 50)
cr.fill()
g = cairo.LinearGradient(50, 0, 100, 0)
g.add_color_stop_rgb(0, 1,1,0)
g.add_color_stop_rgb(1, 0,0,1)
cr.set_source(g)
cr.rectangle(50, 0, 50, 50)
cr.fill()
g = cairo.LinearGradient(100, 0, 150, 0)
g.add_color_stop_rgb(0, 1,1,0)
g.add_color_stop_rgb(1, 0,0,1)
cr.set_source(g)
cr.rectangle(100, 0, 50, 50)
cr.fill()
g = cairo.LinearGradient(150, 0, 200, 0)
g.add_color_stop_rgb(0, 1,1,0)
g.add_color_stop_rgb(1, 0,0,1)
cr.set_source(g)
cr.rectangle(150, 0, 50, 50)
cr.fill()
- name: 2d.gradient.interpolate.overlap2
code: |
var g = ctx.createLinearGradient(0, 0, 100, 0);
var ps = [ 0, 1/10, 1/4, 1/3, 1/2, 3/4, 1 ];
for (var p = 0; p < ps.length; ++p)
{
g.addColorStop(ps[p], '#0f0');
for (var i = 0; i < 15; ++i)
g.addColorStop(ps[p], '#f00');
g.addColorStop(ps[p], '#0f0');
}
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 30,25 == 0,255,0,255;
@assert pixel 40,25 == 0,255,0,255;
@assert pixel 60,25 == 0,255,0,255;
@assert pixel 80,25 == 0,255,0,255;
expected: green
- name: 2d.gradient.empty
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createLinearGradient(0, 0, 0, 50);
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 ==~ 0,255,0,255;
expected: green
- name: 2d.gradient.object.update
code: |
var g = ctx.createLinearGradient(-100, 0, 200, 0);
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
g.addColorStop(0.1, '#0f0');
g.addColorStop(0.9, '#0f0');
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 ==~ 0,255,0,255;
expected: green
- name: 2d.gradient.object.compare
code: |
var g1 = ctx.createLinearGradient(0, 0, 100, 0);
var g2 = ctx.createLinearGradient(0, 0, 100, 0);
@assert g1 !== g2;
ctx.fillStyle = g1;
@assert ctx.fillStyle === g1;
- name: 2d.gradient.object.crosscanvas
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = {{ create_canvas }}.getContext('2d').createLinearGradient(0, 0, 100, 0);
g.addColorStop(0, '#0f0');
g.addColorStop(1, '#0f0');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 ==~ 0,255,0,255;
expected: green
append_variants_to_name: false
variants:
- HtmlCanvas:
canvas_types: ['HtmlCanvas']
create_canvas: document.createElement('canvas')
OffscreenCanvas:
canvas_types: ['OffscreenCanvas', 'Worker']
create_canvas: new OffscreenCanvas(100, 50)
- name: 2d.gradient.object.current
canvas_types: ['HtmlCanvas']
code: |
canvas.setAttribute('style', 'color: #f00');
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createLinearGradient(0, 0, 100, 0);
g.addColorStop(0, 'currentColor');
g.addColorStop(1, 'currentColor');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 ==~ 0,0,0,255;
expected: |
size 100 50
cr.set_source_rgb(0, 0, 0)
cr.rectangle(0, 0, 100, 50)
cr.fill()
- name: 2d.gradient.object.invalidoffset
code: |
var g = ctx.createLinearGradient(0, 0, 100, 0);
@assert throws INDEX_SIZE_ERR g.addColorStop(-1, '#000');
@assert throws INDEX_SIZE_ERR g.addColorStop(2, '#000');
@assert throws TypeError g.addColorStop(Infinity, '#000');
@assert throws TypeError g.addColorStop(-Infinity, '#000');
@assert throws TypeError g.addColorStop(NaN, '#000');
- name: 2d.gradient.object.invalidcolor
code: |
var g = ctx.createLinearGradient(0, 0, 100, 0);
@assert throws SYNTAX_ERR g.addColorStop(0, "");
@assert throws SYNTAX_ERR g.addColorStop(0, 'rgb(NaN%, NaN%, NaN%)');
@assert throws SYNTAX_ERR g.addColorStop(0, 'null');
@assert throws SYNTAX_ERR g.addColorStop(0, 'undefined');
@assert throws SYNTAX_ERR g.addColorStop(0, null);
@assert throws SYNTAX_ERR g.addColorStop(0, undefined);
var g = ctx.createRadialGradient(0, 0, 0, 100, 0, 0);
@assert throws SYNTAX_ERR g.addColorStop(0, "");
@assert throws SYNTAX_ERR g.addColorStop(0, 'rgb(NaN%, NaN%, NaN%)');
@assert throws SYNTAX_ERR g.addColorStop(0, 'null');
@assert throws SYNTAX_ERR g.addColorStop(0, 'undefined');
@assert throws SYNTAX_ERR g.addColorStop(0, null);
@assert throws SYNTAX_ERR g.addColorStop(0, undefined);
- name: 2d.gradient.linear.nonfinite
desc: createLinearGradient() throws TypeError if arguments are not finite
notes: *bindings
code: |
@nonfinite @assert throws TypeError ctx.createLinearGradient(<0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <1 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>);
- name: 2d.gradient.linear.transform.1
desc: Linear gradient coordinates are relative to the coordinate space at the time
of filling
code: |
var g = ctx.createLinearGradient(0, 0, 200, 0);
g.addColorStop(0, '#f00');
g.addColorStop(0.25, '#0f0');
g.addColorStop(0.75, '#0f0');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.translate(-50, 0);
ctx.fillRect(50, 0, 100, 50);
@assert pixel 25,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 75,25 == 0,255,0,255;
expected: green
- name: 2d.gradient.linear.transform.2
desc: Linear gradient coordinates are relative to the coordinate space at the time
of filling
code: |
ctx.translate(100, 0);
var g = ctx.createLinearGradient(0, 0, 200, 0);
g.addColorStop(0, '#f00');
g.addColorStop(0.25, '#0f0');
g.addColorStop(0.75, '#0f0');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.translate(-150, 0);
ctx.fillRect(50, 0, 100, 50);
@assert pixel 25,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 75,25 == 0,255,0,255;
expected: green
- name: 2d.gradient.linear.transform.3
desc: Linear gradient transforms do not experience broken caching effects
code: |
var g = ctx.createLinearGradient(0, 0, 200, 0);
g.addColorStop(0, '#f00');
g.addColorStop(0.25, '#0f0');
g.addColorStop(0.75, '#0f0');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
ctx.translate(-50, 0);
ctx.fillRect(50, 0, 100, 50);
@assert pixel 25,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 75,25 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.negative
desc: createRadialGradient() throws INDEX_SIZE_ERR if either radius is negative
code: |
@assert throws INDEX_SIZE_ERR ctx.createRadialGradient(0, 0, -0.1, 0, 0, 1);
@assert throws INDEX_SIZE_ERR ctx.createRadialGradient(0, 0, 1, 0, 0, -0.1);
@assert throws INDEX_SIZE_ERR ctx.createRadialGradient(0, 0, -0.1, 0, 0, -0.1);
- name: 2d.gradient.radial.nonfinite
desc: createRadialGradient() throws TypeError if arguments are not finite
notes: *bindings
code: |
@nonfinite @assert throws TypeError ctx.createRadialGradient(<0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <1 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <1 Infinity -Infinity NaN>);
- name: 2d.gradient.radial.inside1
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(50, 25, 100, 50, 25, 200);
g.addColorStop(0, '#0f0');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1;
@assert pixel 98,48 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.inside2
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(50, 25, 200, 50, 25, 100);
g.addColorStop(0, '#f00');
g.addColorStop(1, '#0f0');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1;
@assert pixel 98,48 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.inside3
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(50, 25, 200, 50, 25, 100);
g.addColorStop(0, '#f00');
g.addColorStop(0.993, '#f00');
g.addColorStop(1, '#0f0');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1;
@assert pixel 98,48 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.outside1
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(200, 25, 10, 200, 25, 20);
g.addColorStop(0, '#f00');
g.addColorStop(1, '#0f0');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1;
@assert pixel 98,48 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.outside2
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(200, 25, 20, 200, 25, 10);
g.addColorStop(0, '#0f0');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1;
@assert pixel 98,48 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.outside3
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(200, 25, 20, 200, 25, 10);
g.addColorStop(0, '#0f0');
g.addColorStop(0.001, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1;
@assert pixel 98,48 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.touch1
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(150, 25, 50, 200, 25, 100);
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255; @moz-todo
@assert pixel 50,1 == 0,255,0,255; @moz-todo
@assert pixel 98,1 == 0,255,0,255; @moz-todo
@assert pixel 1,25 == 0,255,0,255; @moz-todo
@assert pixel 50,25 == 0,255,0,255; @moz-todo
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1; @moz-todo
@assert pixel 1,48 == 0,255,0,255; @moz-todo
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1; @moz-todo
@assert pixel 98,48 == 0,255,0,255; @moz-todo
expected: green
- name: 2d.gradient.radial.touch2
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(-80, 25, 70, 0, 25, 150);
g.addColorStop(0, '#f00');
g.addColorStop(0.01, '#0f0');
g.addColorStop(0.99, '#0f0');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1;
@assert pixel 98,48 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.touch3
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(120, -15, 25, 140, -30, 50);
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255; @moz-todo
@assert pixel 50,1 == 0,255,0,255; @moz-todo
@assert pixel 98,1 == 0,255,0,255; @moz-todo
@assert pixel 1,25 == 0,255,0,255; @moz-todo
@assert pixel 50,25 == 0,255,0,255; @moz-todo
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1; @moz-todo
@assert pixel 1,48 == 0,255,0,255; @moz-todo
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1; @moz-todo
@assert pixel 98,48 == 0,255,0,255; @moz-todo
expected: green
- name: 2d.gradient.radial.equal
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(50, 25, 20, 50, 25, 20);
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255; @moz-todo
@assert pixel 50,1 == 0,255,0,255; @moz-todo
@assert pixel 98,1 == 0,255,0,255; @moz-todo
@assert pixel 1,25 == 0,255,0,255; @moz-todo
@assert pixel 50,25 == 0,255,0,255; @moz-todo
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1; @moz-todo
@assert pixel 1,48 == 0,255,0,255; @moz-todo
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1; @moz-todo
@assert pixel 98,48 == 0,255,0,255; @moz-todo
expected: green
- name: 2d.gradient.radial.cone.behind
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(120, 25, 10, 211, 25, 100);
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255; @moz-todo
@assert pixel 50,1 == 0,255,0,255; @moz-todo
@assert pixel 98,1 == 0,255,0,255; @moz-todo
@assert pixel 1,25 == 0,255,0,255; @moz-todo
@assert pixel 50,25 == 0,255,0,255; @moz-todo
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1; @moz-todo
@assert pixel 1,48 == 0,255,0,255; @moz-todo
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1; @moz-todo
@assert pixel 98,48 == 0,255,0,255; @moz-todo
expected: green
- name: 2d.gradient.radial.cone.front
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(311, 25, 10, 210, 25, 100);
g.addColorStop(0, '#f00');
g.addColorStop(1, '#0f0');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1;
@assert pixel 98,48 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.cone.bottom
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(210, 25, 100, 230, 25, 101);
g.addColorStop(0, '#0f0');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1;
@assert pixel 98,48 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.cone.top
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(230, 25, 100, 100, 25, 101);
g.addColorStop(0, '#f00');
g.addColorStop(1, '#0f0');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1;
@assert pixel 98,48 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.cone.beside
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(0, 100, 40, 100, 100, 50);
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255; @moz-todo
@assert pixel 50,1 == 0,255,0,255; @moz-todo
@assert pixel 98,1 == 0,255,0,255; @moz-todo
@assert pixel 1,25 == 0,255,0,255; @moz-todo
@assert pixel 50,25 == 0,255,0,255; @moz-todo
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1; @moz-todo
@assert pixel 1,48 == 0,255,0,255; @moz-todo
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1; @moz-todo
@assert pixel 98,48 == 0,255,0,255; @moz-todo
expected: green
- name: 2d.gradient.radial.cone.cylinder
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(210, 25, 100, 230, 25, 100);
g.addColorStop(0, '#0f0');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1;
@assert pixel 98,48 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.cone.shape1
code: |
var tol = 1; // tolerance to avoid antialiasing artifacts
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.beginPath();
ctx.moveTo(30+tol, 40);
ctx.lineTo(110, -20+tol);
ctx.lineTo(110, 100-tol);
ctx.fill();
var g = ctx.createRadialGradient(30+10*5/2, 40, 10*3/2, 30+10*15/4, 40, 10*9/4);
g.addColorStop(0, '#0f0');
g.addColorStop(1, '#0f0');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1;
@assert pixel 98,48 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.cone.shape2
code: |
var tol = 1; // tolerance to avoid antialiasing artifacts
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createRadialGradient(30+10*5/2, 40, 10*3/2, 30+10*15/4, 40, 10*9/4);
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.beginPath();
ctx.moveTo(30-tol, 40);
ctx.lineTo(110, -20-tol);
ctx.lineTo(110, 100+tol);
ctx.fill();
@assert pixel 1,1 == 0,255,0,255; @moz-todo
@assert pixel 50,1 == 0,255,0,255; @moz-todo
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255; @moz-todo
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 ==~ 0,255,0,255 +/- 1;
@assert pixel 1,48 == 0,255,0,255; @moz-todo
@assert pixel 50,48 ==~ 0,255,0,255 +/- 1;
@assert pixel 98,48 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.transform.1
desc: Radial gradient coordinates are relative to the coordinate space at the time
of filling
code: |
var g = ctx.createRadialGradient(0, 0, 0, 0, 0, 11.2);
g.addColorStop(0, '#0f0');
g.addColorStop(0.5, '#0f0');
g.addColorStop(0.51, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.translate(50, 25);
ctx.scale(10, 10);
ctx.fillRect(-5, -2.5, 10, 5);
@assert pixel 25,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 75,25 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.transform.2
desc: Radial gradient coordinates are relative to the coordinate space at the time
of filling
code: |
ctx.translate(100, 0);
var g = ctx.createRadialGradient(0, 0, 0, 0, 0, 11.2);
g.addColorStop(0, '#0f0');
g.addColorStop(0.5, '#0f0');
g.addColorStop(0.51, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.translate(-50, 25);
ctx.scale(10, 10);
ctx.fillRect(-5, -2.5, 10, 5);
@assert pixel 25,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 75,25 == 0,255,0,255;
expected: green
- name: 2d.gradient.radial.transform.3
desc: Radial gradient transforms do not experience broken caching effects
code: |
var g = ctx.createRadialGradient(0, 0, 0, 0, 0, 11.2);
g.addColorStop(0, '#0f0');
g.addColorStop(0.5, '#0f0');
g.addColorStop(0.51, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
ctx.translate(50, 25);
ctx.scale(10, 10);
ctx.fillRect(-5, -2.5, 10, 5);
@assert pixel 25,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 75,25 == 0,255,0,255;
expected: green
- name: 2d.gradient.conic.positive.rotation
desc: Conic gradient with positive rotation
code: |
const g = ctx.createConicGradient(3*Math.PI/2, 50, 25);
// It's red in the upper right region and green on the lower left region
g.addColorStop(0, "#f00");
g.addColorStop(0.25, "#0f0");
g.addColorStop(0.50, "#0f0");
g.addColorStop(0.75, "#f00");
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 25,15 ==~ 255,0,0,255 +/- 3;
@assert pixel 75,40 ==~ 0,255,0,255 +/- 3;
expected: green
- name: 2d.gradient.conic.negative.rotation
desc: Conic gradient with negative rotation
code: |
const g = ctx.createConicGradient(-Math.PI/2, 50, 25);
// It's red in the upper right region and green on the lower left region
g.addColorStop(0, "#f00");
g.addColorStop(0.25, "#0f0");
g.addColorStop(0.50, "#0f0");
g.addColorStop(0.75, "#f00");
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 25,15 ==~ 255,0,0,255 +/- 3;
@assert pixel 75,40 ==~ 0,255,0,255 +/- 3;
expected: green
- name: 2d.gradient.conic.invalid.inputs
desc: Conic gradient function with invalid inputs
code: |
@nonfinite @assert throws TypeError ctx.createConicGradient(<0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <1 Infinity -Infinity NaN>);
const g = ctx.createConicGradient(0, 0, 25);
@nonfinite @assert throws TypeError g.addColorStop(<Infinity -Infinity NaN>, <'#f00'>);
@nonfinite @assert throws SYNTAX_ERR g.addColorStop(<0>, <Infinity -Infinity NaN>);
- name: 2d.pattern.basic.type
images:
- green.png
code: |
{% set root = 'self' if canvas_type == 'Worker' else 'window' %}
@assert {{ root }}.CanvasPattern !== undefined;
{{ root }}.CanvasPattern.prototype.thisImplementsCanvasPattern = true;
{{ load_image }}
var pattern = ctx.createPattern(img, 'no-repeat');
@assert pattern.thisImplementsCanvasPattern;
variants: &load-image-variant-definition
- HtmlCanvas:
append_variants_to_name: false
canvas_types: ['HtmlCanvas']
load_image: var img = document.getElementById('{{ (images or svgimages)[0] }}');
OffscreenCanvas:
append_variants_to_name: false
canvas_types: ['OffscreenCanvas', 'Worker']
test_type: promise
load_image: |-
var response = await fetch('/images/{{ (images or svgimages)[0] }}')
var blob = await response.blob();
var img = await createImageBitmap(blob);
- name: 2d.pattern.basic.image
images:
- green.png
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'no-repeat');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.basic.canvas
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
{{ create_canvas2 }}
var ctx2 = canvas2.getContext('2d');
ctx2.fillStyle = '#0f0';
ctx2.fillRect(0, 0, 100, 50);
var pattern = ctx.createPattern(canvas2, 'no-repeat');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 98,25 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: &create-canvas2-variant-definition
- HtmlCanvas:
append_variants_to_name: false
canvas_types: ['HtmlCanvas']
create_canvas2: |-
var canvas2 = document.createElement('canvas');
canvas2.width = 100;
canvas2.height = 50;
OffscreenCanvas:
append_variants_to_name: false
canvas_types: ['OffscreenCanvas', 'Worker']
create_canvas2: |-
var canvas2 = new OffscreenCanvas(100, 50);
- name: 2d.pattern.basic.zerocanvas
code: |
canvas.width = 0;
canvas.height = 10;
@assert canvas.width === 0;
@assert canvas.height === 10;
@assert throws INVALID_STATE_ERR ctx.createPattern(canvas, 'repeat');
canvas.width = 10;
canvas.height = 0;
@assert canvas.width === 10;
@assert canvas.height === 0;
@assert throws INVALID_STATE_ERR ctx.createPattern(canvas, 'repeat');
canvas.width = 0;
canvas.height = 0;
@assert canvas.width === 0;
@assert canvas.height === 0;
@assert throws INVALID_STATE_ERR ctx.createPattern(canvas, 'repeat');
- name: 2d.pattern.basic.nocontext
code: |
{{ create_canvas2 }}
var pattern = ctx.createPattern(canvas2, 'no-repeat');
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *create-canvas2-variant-definition
- name: 2d.pattern.transform.identity
code: |
{{ create_canvas2 }}
var pattern = ctx.createPattern(canvas2, 'no-repeat');
pattern.setTransform(new DOMMatrix());
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *create-canvas2-variant-definition
- name: 2d.pattern.transform.infinity
code: |
{{ create_canvas2 }}
var pattern = ctx.createPattern(canvas2, 'no-repeat');
pattern.setTransform({a: Infinity});
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *create-canvas2-variant-definition
- name: 2d.pattern.transform.invalid
code: |
{{ create_canvas2 }}
var pattern = ctx.createPattern(canvas2, 'no-repeat');
@assert throws TypeError pattern.setTransform({a: 1, m11: 2});
variants: *create-canvas2-variant-definition
- name: 2d.pattern.image.undefined
notes: *bindings
code: |
@assert throws TypeError ctx.createPattern(undefined, 'repeat');
- name: 2d.pattern.image.null
notes: *bindings
code: |
@assert throws TypeError ctx.createPattern(null, 'repeat');
- name: 2d.pattern.image.string
notes: *bindings
code: |
@assert throws TypeError ctx.createPattern('../images/red.png', 'repeat');
- name: 2d.pattern.image.incomplete.nosrc
canvas_types: ['HtmlCanvas']
code: |
var img = new Image();
@assert ctx.createPattern(img, 'repeat') === null;
- name: 2d.pattern.image.incomplete.immediate
canvas_types: ['HtmlCanvas']
images:
- red.png
code: |
var img = new Image();
img.src = '../images/red.png';
// This triggers the "update the image data" algorithm.
// The image will not go to the "completely available" state
// until a fetch task in the networking task source is processed,
// so the image must not be fully decodable yet:
@assert ctx.createPattern(img, 'repeat') === null; @moz-todo
- name: 2d.pattern.image.incomplete.reload
canvas_types: ['HtmlCanvas']
images:
- yellow.png
- red.png
code: |
var img = document.getElementById('yellow.png');
img.src = '../images/red.png';
// This triggers the "update the image data" algorithm,
// and resets the image to the "unavailable" state.
// The image will not go to the "completely available" state
// until a fetch task in the networking task source is processed,
// so the image must not be fully decodable yet:
@assert ctx.createPattern(img, 'repeat') === null; @moz-todo
- name: 2d.pattern.image.incomplete.emptysrc
canvas_types: ['HtmlCanvas']
images:
- red.png
mozilla: {throws: !!null ''}
code: |
var img = document.getElementById('red.png');
img.src = "";
@assert ctx.createPattern(img, 'repeat') === null;
- name: 2d.pattern.image.incomplete.removedsrc
canvas_types: ['HtmlCanvas']
images:
- red.png
mozilla: {throws: !!null ''}
code: |
var img = document.getElementById('red.png');
img.removeAttribute('src');
@assert ctx.createPattern(img, 'repeat') === null;
- name: 2d.pattern.image.broken
canvas_types: ['HtmlCanvas']
images:
- broken.png
code: |
var img = document.getElementById('broken.png');
@assert throws INVALID_STATE_ERR ctx.createPattern(img, 'repeat');
- name: 2d.pattern.image.nonexistent
canvas_types: ['HtmlCanvas']
images:
- no-such-image-really.png
code: |
var img = document.getElementById('no-such-image-really.png');
@assert throws INVALID_STATE_ERR ctx.createPattern(img, 'repeat');
- name: 2d.pattern.svgimage.nonexistent
canvas_types: ['HtmlCanvas']
svgimages:
- no-such-image-really.png
code: |
var img = document.getElementById('no-such-image-really.png');
@assert throws INVALID_STATE_ERR ctx.createPattern(img, 'repeat');
- name: 2d.pattern.image.nonexistent-but-loading
canvas_types: ['HtmlCanvas']
code: |
var img = document.createElement("img");
img.src = "/images/no-such-image-really.png";
@assert ctx.createPattern(img, 'repeat') === null;
img.src = "/images/no-such-image-really.png";
@assert ctx.createPattern(img, 'repeat') === null;
- name: 2d.pattern.image.nosrc
canvas_types: ['HtmlCanvas']
code: |
var img = document.createElement("img");
@assert ctx.createPattern(img, 'repeat') === null;
@assert ctx.createPattern(img, 'repeat') === null;
- name: 2d.pattern.image.zerowidth
canvas_types: ['HtmlCanvas']
images:
- red-zerowidth.svg
code: |
var img = document.getElementById('red-zerowidth.svg');
@assert ctx.createPattern(img, 'repeat') === null;
- name: 2d.pattern.image.zeroheight
canvas_types: ['HtmlCanvas']
images:
- red-zeroheight.svg
code: |
var img = document.getElementById('red-zeroheight.svg');
@assert ctx.createPattern(img, 'repeat') === null;
- name: 2d.pattern.svgimage.zerowidth
canvas_types: ['HtmlCanvas']
svgimages:
- red-zerowidth.svg
code: |
var img = document.getElementById('red-zerowidth.svg');
@assert ctx.createPattern(img, 'repeat') === null;
- name: 2d.pattern.svgimage.zeroheight
canvas_types: ['HtmlCanvas']
svgimages:
- red-zeroheight.svg
code: |
var img = document.getElementById('red-zeroheight.svg');
@assert ctx.createPattern(img, 'repeat') === null;
- name: 2d.pattern.repeat.empty
images:
- green-1x1.png
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, "");
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 200, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.repeat.null
code: |
@assert ctx.createPattern(canvas, null) != null;
- name: 2d.pattern.repeat.undefined
code: |
@assert throws SYNTAX_ERR ctx.createPattern(canvas, undefined);
- name: 2d.pattern.repeat.unrecognised
code: |
@assert throws SYNTAX_ERR ctx.createPattern(canvas, "invalid");
- name: 2d.pattern.repeat.unrecognisednull
code: |
@assert throws SYNTAX_ERR ctx.createPattern(canvas, "null");
- name: 2d.pattern.repeat.case
code: |
@assert throws SYNTAX_ERR ctx.createPattern(canvas, "Repeat");
- name: 2d.pattern.repeat.nullsuffix
code: |
@assert throws SYNTAX_ERR ctx.createPattern(canvas, "repeat\0");
- name: 2d.pattern.modify.image1
canvas_types: ['HtmlCanvas']
images:
- green.png
code: |
var img = document.getElementById('green.png');
var pattern = ctx.createPattern(img, 'no-repeat');
deferTest();
img.onload = t.step_func_done(function ()
{
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
});
img.src = '/images/red.png';
expected: green
- name: 2d.pattern.modify.image2
canvas_types: ['HtmlCanvas']
images:
- green.png
code: |
var img = document.getElementById('green.png');
var pattern = ctx.createPattern(img, 'no-repeat');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#00f';
ctx.fillRect(0, 0, 100, 50);
deferTest();
img.onload = t.step_func_done(function ()
{
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
});
img.src = '/images/red.png';
expected: green
- name: 2d.pattern.modify.canvas1
canvas_types: ['HtmlCanvas']
code: |
{{ create_canvas2 }}
var ctx2 = canvas2.getContext('2d');
ctx2.fillStyle = '#0f0';
ctx2.fillRect(0, 0, 100, 50);
var pattern = ctx.createPattern(canvas2, 'no-repeat');
ctx2.fillStyle = '#f00';
ctx2.fillRect(0, 0, 100, 50);
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *create-canvas2-variant-definition
- name: 2d.pattern.modify.canvas2
code: |
{{ create_canvas2 }}
var ctx2 = canvas2.getContext('2d');
ctx2.fillStyle = '#0f0';
ctx2.fillRect(0, 0, 100, 50);
var pattern = ctx.createPattern(canvas2, 'no-repeat');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx2.fillStyle = '#f00';
ctx2.fillRect(0, 0, 100, 50);
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *create-canvas2-variant-definition
- name: 2d.pattern.crosscanvas
images:
- green.png
code: |
{{ load_image }}
var pattern = {{ create_canvas }}.getContext('2d').createPattern(img, 'no-repeat');
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
expected: green
append_variants_to_name: false
variants:
- HtmlCanvas:
canvas_types: ['HtmlCanvas']
load_image: var img = document.getElementById('{{ images[0] }}');
create_canvas: document.createElement('canvas')
OffscreenCanvas:
canvas_types: ['OffscreenCanvas', 'Worker']
test_type: promise
load_image: |-
var response = await fetch('/images/{{ images[0] }}')
var blob = await response.blob();
var img = await createImageBitmap(blob);
create_canvas: new OffscreenCanvas(100, 50)
- name: 2d.pattern.paint.norepeat.basic
images:
- green.png
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'no-repeat');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.norepeat.outside
images:
- red.png
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'no-repeat');
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = pattern;
ctx.fillRect(0, -50, 100, 50);
ctx.fillRect(-100, 0, 100, 50);
ctx.fillRect(0, 50, 100, 50);
ctx.fillRect(100, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.norepeat.coord1
images:
- green.png
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 50, 50);
ctx.fillStyle = '#f00';
ctx.fillRect(50, 0, 50, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'no-repeat');
ctx.fillStyle = pattern;
ctx.translate(50, 0);
ctx.fillRect(-50, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.norepeat.coord2
images:
- green.png
code: |
{{ load_image }}
var pattern = ctx.createPattern(img, 'no-repeat');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 50, 50);
ctx.fillStyle = '#f00';
ctx.fillRect(50, 0, 50, 50);
ctx.fillStyle = pattern;
ctx.translate(50, 0);
ctx.fillRect(-50, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.norepeat.coord3
images:
- red.png
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'no-repeat');
ctx.fillStyle = pattern;
ctx.translate(50, 25);
ctx.fillRect(-50, -25, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 50, 25);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.repeat.basic
images:
- green-16x16.png
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'repeat');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.repeat.outside
images:
- green-16x16.png
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'repeat');
ctx.fillStyle = pattern;
ctx.translate(50, 25);
ctx.fillRect(-50, -25, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.repeat.coord1
images:
- rgrg-256x256.png
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'repeat');
ctx.fillStyle = pattern;
ctx.translate(-128, -78);
ctx.fillRect(128, 78, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.repeat.coord2
images:
- ggrr-256x256.png
code: |
{{ load_image }}
var pattern = ctx.createPattern(img, 'repeat');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.repeat.coord3
images:
- rgrg-256x256.png
code: |
{{ load_image }}
var pattern = ctx.createPattern(img, 'repeat');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
ctx.translate(-128, -78);
ctx.fillRect(128, 78, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.repeatx.basic
images:
- green-16x16.png
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 16);
{{ load_image }}
var pattern = ctx.createPattern(img, 'repeat-x');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.repeatx.outside
images:
- red-16x16.png
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'repeat-x');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 16);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.repeatx.coord1
images:
- red-16x16.png
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'repeat-x');
ctx.fillStyle = pattern;
ctx.translate(0, 16);
ctx.fillRect(0, -16, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 16);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,25 == 0,255,0,255;
@assert pixel 98,25 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.repeaty.basic
images:
- green-16x16.png
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 16, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'repeat-y');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.repeaty.outside
images:
- red-16x16.png
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'repeat-y');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 16, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.repeaty.coord1
images:
- red-16x16.png
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'repeat-y');
ctx.fillStyle = pattern;
ctx.translate(48, 0);
ctx.fillRect(-48, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 16, 50);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 50,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 50,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.orientation.image
desc: Image patterns do not get flipped when painted
images:
- rrgg-256x256.png
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
{{ load_image }}
var pattern = ctx.createPattern(img, 'no-repeat');
ctx.fillStyle = pattern;
ctx.save();
ctx.translate(0, -103);
ctx.fillRect(0, 103, 100, 50);
ctx.restore();
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 25);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *load-image-variant-definition
- name: 2d.pattern.paint.orientation.canvas
desc: Canvas patterns do not get flipped when painted
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
{{ create_canvas2 }}
var ctx2 = canvas2.getContext('2d');
ctx2.fillStyle = '#f00';
ctx2.fillRect(0, 0, 100, 25);
ctx2.fillStyle = '#0f0';
ctx2.fillRect(0, 25, 100, 25);
var pattern = ctx.createPattern(canvas2, 'no-repeat');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 25);
@assert pixel 1,1 == 0,255,0,255;
@assert pixel 98,1 == 0,255,0,255;
@assert pixel 1,48 == 0,255,0,255;
@assert pixel 98,48 == 0,255,0,255;
expected: green
variants: *create-canvas2-variant-definition
- name: 2d.pattern.animated.gif
desc: createPattern() of an animated GIF draws the first frame
canvas_types: ['HtmlCanvas']
images:
- anim-gr.gif
code: |
deferTest();
step_timeout(function () {
var pattern = ctx.createPattern(document.getElementById('anim-gr.gif'), 'repeat');
ctx.fillStyle = pattern;
ctx.fillRect(0, 0, 50, 50);
step_timeout(t.step_func_done(function () {
ctx.fillRect(50, 0, 50, 50);
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
}), 250);
}, 250);
expected: green
- name: 2d.fillStyle.CSSRGB
desc: CSSRGB works as color input
canvas_types: ['HtmlCanvas', 'OffscreenCanvas']
code: |
ctx.fillStyle = new CSSRGB(1, 0, 1);
@assert ctx.fillStyle === '#ff00ff';
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 255,0,255,255;
const color = new CSSRGB(0, CSS.percent(50), 0);
ctx.fillStyle = color;
@assert ctx.fillStyle === '#008000';
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,128,0,255;
color.g = 0;
ctx.fillStyle = color;
@assert ctx.fillStyle === '#000000';
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,0,0,255;
color.alpha = 0;
ctx.fillStyle = color;
@assert ctx.fillStyle === 'rgba(0, 0, 0, 0)';
ctx.reset();
color.alpha = 0.5;
ctx.fillStyle = color;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,0,0,128;
ctx.fillStyle = new CSSHSL(CSS.deg(0), 1, 1).toRGB();
@assert ctx.fillStyle === '#ffffff';
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 255,255,255,255;
color.alpha = 1;
color.g = 1;
ctx.fillStyle = color;
ctx.fillRect(0, 0, 100, 50);
expected: green
- name: 2d.fillStyle.CSSHSL
desc: CSSHSL works as color input
canvas_types: ['HtmlCanvas', 'OffscreenCanvas']
code: |
ctx.fillStyle = new CSSHSL(CSS.deg(180), 0.5, 0.5);
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 ==~ 64,191,191,255 +/- 3;
const color = new CSSHSL(CSS.deg(180), 1, 1);
ctx.fillStyle = color;
@assert ctx.fillStyle === '#ffffff';
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 255,255,255,255;
color.l = 0.5;
ctx.fillStyle = color;
@assert ctx.fillStyle === '#00ffff';
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,255,255,255;
ctx.fillStyle = new CSSRGB(1, 0, 1).toHSL();
@assert ctx.fillStyle === '#ff00ff';
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 255,0,255,255;
color.h = CSS.deg(120);
color.s = 1;
color.l = 0.5;
ctx.fillStyle = color;
ctx.fillRect(0, 0, 100, 50);
expected: green
- name: 2d.fillStyle.colormix
desc: color-mix works as color input
canvas_types: ['HtmlCanvas', 'OffscreenCanvas', 'Worker']
code: |
ctx.fillStyle = "color-mix(in srgb, red, blue)";
@assert ctx.fillStyle === 'color(srgb 0.5 0 0.5)';
ctx.fillStyle = "color-mix(in srgb, red, color(srgb 1 0 0))";
@assert ctx.fillStyle === 'color(srgb 1 0 0)';
- name: 2d.fillStyle.colormix.currentcolor
desc: color-mix works as color input with currentcolor
canvas_types: ['HtmlCanvas']
code: |
canvas.setAttribute('style', 'color: magenta');
ctx.fillStyle = "color-mix(in srgb, black, currentcolor)";
@assert ctx.fillStyle === 'color(srgb 0.5 0 0.5)';
ctx.strokeStyle = "color-mix(in srgb, black, currentcolor)";
@assert ctx.strokeStyle === 'color(srgb 0.5 0 0.5)';
- name: 2d.strokeStyle.colormix
desc: color-mix works as color input
canvas_types: ['HtmlCanvas', 'OffscreenCanvas']
code: |
ctx.strokeStyle = "color-mix(in srgb, red, blue)";
@assert ctx.strokeStyle === 'color(srgb 0.5 0 0.5)';
ctx.strokeStyle = "color-mix(in srgb, red, color(srgb 1 0 0))";
@assert ctx.strokeStyle === 'color(srgb 1 0 0)';
- name: 2d.gradient.colormix
desc: color-mix works as CanvasGradient color input
canvas_types: ['HtmlCanvas']
code: |
var g = ctx.createLinearGradient(0, 0, 100, 0);
g.addColorStop(0, '#f00');
g.addColorStop(1, 'color-mix(in srgb, #0f0, #00f)');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 25,25 ==~ 212,81,61,255 +/- 3;
@assert pixel 50,25 ==~ 167,106,88,255 +/- 3;
@assert pixel 75,25 ==~ 113,120,109,255 +/- 3;
- name: 2d.fillStyle.relativecolor
desc: Relative color works as color input
canvas_types: ['HtmlCanvas', 'OffscreenCanvas', 'Worker']
code: |
ctx.fillStyle = "rgb(from red g r b)";
@assert ctx.fillStyle === 'color(srgb 0 1 0)';
ctx.fillStyle = "color(from color(srgb 0.25 0.5 0.75 / 0.5) srgb r g b / alpha)";
@assert ctx.fillStyle === 'color(srgb 0.25 0.5 0.75 / 0.5)';
- name: 2d.fillStyle.relativecolor.currentcolor
desc: Relative color works as color input with currentcolor
canvas_types: ['HtmlCanvas']
code: |
canvas.setAttribute('style', 'color: magenta');
ctx.fillStyle = "rgb(from currentcolor g r b)";
@assert ctx.fillStyle === 'color(srgb 0 1 1)';
ctx.strokeStyle = "rgb(from currentcolor g r b)";
@assert ctx.strokeStyle === 'color(srgb 0 1 1)';
- name: 2d.strokeStyle.relativecolor
desc: Relative color works as color input
canvas_types: ['HtmlCanvas', 'OffscreenCanvas', 'Worker']
code: |
ctx.strokeStyle = "rgb(from red g r b)";
@assert ctx.strokeStyle === 'color(srgb 0 1 0)';
ctx.strokeStyle = "color(from color(srgb 0.25 0.5 0.75 / 0.5) srgb r g b / alpha)";
@assert ctx.strokeStyle === 'color(srgb 0.25 0.5 0.75 / 0.5)';
- name: 2d.gradient.relativecolor
desc: Relative color works as CanvasGradient color input
canvas_types: ['HtmlCanvas', 'OffscreenCanvas', 'Worker']
code: |
var g = ctx.createLinearGradient(0, 0, 100, 0);
g.addColorStop(0, '#f00');
g.addColorStop(1, 'rgb(from red g r b)');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
@assert pixel 25,25 ==~ 236,116,0,255 +/- 3;
@assert pixel 50,25 ==~ 208,170,0,255 +/- 3;
@assert pixel 75,25 ==~ 159,214,0,255 +/- 3;
- name: 2d.gradient.colorInterpolationMethod
desc: CSS color spaces work as a CanvasGradient color interpolation methods
fuzzy: maxDifference=0-1; totalPixels=0-60000
code: |
var g = ctx.createLinearGradient(0, 0, 100, 0);
g.addColorStop(0, 'color(srgb 1 0 0)');
g.addColorStop(1, 'color(srgb 0 1 0)');
g.colorInterpolationMethod = '{{ variant_name }}';
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
html_reference: |
<style>
#swatch-{{ variant_name }} {
width: 100%;
height: 100%;
background: linear-gradient(to right in {{ variant_name }},
color(srgb 1 0 0), color(srgb 0 1 0));
}
</style>
<div id="swatch-{{ variant_name }}"></div>
variants_layout: [single_file]
grid_width: 5
variants:
- srgb:
hsl:
hwb:
srgb-linear:
display-p3:
a98-rgb:
prophoto-rgb:
rec2020:
lab:
oklab:
lch:
oklch:
xyz:
xyz-d50:
xyz-d65:
- name: 2d.gradient.hueInterpolationMethod
desc: CSS hue interpolation methods work for CanvasGradients
fuzzy: maxDifference=0-1; totalPixels=0-60000
code: |
// Generate two gradients, one from red to green, the other from red to blue.
// In the first instance "shorter" is equivalent to "increasing".
// In the second, "shorter" is equivalent to "decreasing".
var g = ctx.createLinearGradient(0, 0, 100, 0);
g.addColorStop(0, 'color(srgb 1 0 0)');
g.addColorStop(1, 'color(srgb 0 1 0)');
g.colorInterpolationMethod = '{{ variant_names[1] }}';
g.hueInterpolationMethod = '{{ variant_names[0] }}';
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 25);
var g2 = ctx.createLinearGradient(0, 0, 100, 0);
g2.addColorStop(0, 'color(srgb 1 0 0)');
g2.addColorStop(1, 'color(srgb 0 0 1)');
g2.colorInterpolationMethod = '{{ variant_names[1] }}';
g2.hueInterpolationMethod = '{{ variant_names[0] }}';
ctx.fillStyle = g2;
ctx.fillRect(0, 25, 100, 25);
html_reference: |
<style>
.swatch {
width: 100%;
height: 50%;
}
</style>
<div class="swatch" style="background:
linear-gradient(to right in {{ variant_names[1] }} {{ variant_names[0] }}
hue, color(srgb 1 0 0), color(srgb 0 1 0));
"></div>
<div class="swatch" style="background:
linear-gradient(to right in {{ variant_names[1] }} {{ variant_names[0] }}
hue, color(srgb 1 0 0), color(srgb 0 0 1));
"></div>
variants_layout: [single_file, single_file]
variants:
# Hue interpolation methods
- shorter:
longer:
increasing:
decreasing:
# Polar color interpolation spaces
- hsl:
hwb:
lch:
oklch: