blob: 0d7bbfde91df96144a143c028927297e6a254648 [file] [log] [blame]
- name: 2d.text.draw.fill.basic
desc: fillText draws filled text
manual:
testing:
- 2d.text.draw
- 2d.text.draw.fill
code: |
ctx.fillStyle = '#000';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.strokeStyle = '#f00';
ctx.font = '35px Arial, sans-serif';
ctx.fillText('PASS', 5, 35);
expected: &passfill |
size 100 50
cr.set_source_rgb(0, 0, 0)
cr.rectangle(0, 0, 100, 50)
cr.fill()
cr.set_source_rgb(0, 1, 0)
cr.select_font_face("Arial")
cr.set_font_size(35)
cr.translate(5, 35)
cr.text_path("PASS")
cr.fill()
- name: 2d.text.draw.fill.unaffected
desc: fillText does not start a new path or subpath
testing:
- 2d.text.draw.fill
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.moveTo(0, 0);
ctx.lineTo(100, 0);
ctx.font = '35px Arial, sans-serif';
ctx.fillText('FAIL', 5, 35);
ctx.lineTo(100, 50);
ctx.lineTo(0, 50);
ctx.fillStyle = '#0f0';
ctx.fill();
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 5,45 == 0,255,0,255;
expected: green
- name: 2d.text.draw.fill.rtl
desc: fillText respects Right-To-Left Override characters
manual:
testing:
- 2d.text.draw
code: |
ctx.fillStyle = '#000';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.strokeStyle = '#f00';
ctx.font = '35px Arial, sans-serif';
ctx.fillText('\u202eFAIL \xa0 \xa0 SSAP', 5, 35);
expected: *passfill
- name: 2d.text.draw.fill.maxWidth.large
desc: fillText handles maxWidth correctly
manual:
testing:
- 2d.text.draw.maxwidth
code: |
ctx.fillStyle = '#000';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.font = '35px Arial, sans-serif';
ctx.fillText('PASS', 5, 35, 200);
expected: *passfill
- name: 2d.text.draw.fill.maxWidth.small
desc: fillText handles maxWidth correctly
testing:
- 2d.text.draw.maxwidth
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.font = '35px Arial, sans-serif';
ctx.fillText('fail fail fail fail fail', -100, 35, 90);
_assertGreen(ctx, 100, 50);
expected: green
- name: 2d.text.draw.fill.maxWidth.zero
desc: fillText handles maxWidth correctly
testing:
- 2d.text.draw.maxwidth
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.font = '35px Arial, sans-serif';
ctx.fillText('fail fail fail fail fail', 5, 35, 0);
_assertGreen(ctx, 100, 50);
expected: green
- name: 2d.text.draw.fill.maxWidth.negative
desc: fillText handles maxWidth correctly
testing:
- 2d.text.draw.maxwidth
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.font = '35px Arial, sans-serif';
ctx.fillText('fail fail fail fail fail', 5, 35, -1);
_assertGreen(ctx, 100, 50);
expected: green
- name: 2d.text.draw.fill.maxWidth.NaN
desc: fillText handles maxWidth correctly
testing:
- 2d.text.draw.maxwidth
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.font = '35px Arial, sans-serif';
ctx.fillText('fail fail fail fail fail', 5, 35, NaN);
_assertGreen(ctx, 100, 50);
expected: green
- name: 2d.text.draw.stroke.basic
desc: strokeText draws stroked text
manual:
testing:
- 2d.text.draw
- 2d.text.draw.stroke
code: |
ctx.fillStyle = '#000';
ctx.fillRect(0, 0, 100, 50);
ctx.strokeStyle = '#0f0';
ctx.fillStyle = '#f00';
ctx.lineWidth = 1;
ctx.font = '35px Arial, sans-serif';
ctx.strokeText('PASS', 5, 35);
expected: |
size 100 50
cr.set_source_rgb(0, 0, 0)
cr.rectangle(0, 0, 100, 50)
cr.fill()
cr.set_source_rgb(0, 1, 0)
cr.select_font_face("Arial")
cr.set_font_size(35)
cr.set_line_width(1)
cr.translate(5, 35)
cr.text_path("PASS")
cr.stroke()
- name: 2d.text.draw.stroke.unaffected
desc: strokeText does not start a new path or subpath
testing:
- 2d.text.draw.stroke
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.moveTo(0, 0);
ctx.lineTo(100, 0);
ctx.font = '35px Arial, sans-serif';
ctx.strokeStyle = '#f00';
ctx.strokeText('FAIL', 5, 35);
ctx.lineTo(100, 50);
ctx.lineTo(0, 50);
ctx.fillStyle = '#0f0';
ctx.fill();
@assert pixel 50,25 == 0,255,0,255;
@assert pixel 5,45 == 0,255,0,255;
expected: green
- name: 2d.text.draw.kern.consistent
desc: Stroked and filled text should have exactly the same kerning so it overlaps
manual:
testing:
- 2d.text.draw
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.strokeStyle = '#0f0';
ctx.lineWidth = 3;
ctx.font = '20px Arial, sans-serif';
ctx.fillText('VAVAVAVAVAVAVA', -50, 25);
ctx.fillText('ToToToToToToTo', -50, 45);
ctx.strokeText('VAVAVAVAVAVAVA', -50, 25);
ctx.strokeText('ToToToToToToTo', -50, 45);
expected: green
# CanvasTest is:
# A = (0, 0) to (1em, 0.75em) (above baseline)
# B = (0, 0) to (1em, -0.25em) (below baseline)
# C = (0, -0.25em) to (1em, 0.75em) (the em square) plus some Xs above and below
# D = (0, -0.25em) to (1em, 0.75em) (the em square) plus some Xs left and right
# E = (0, -0.25em) to (1em, 0.75em) (the em square)
# space = empty, 1em wide
#
# At 50px, "E" will fill the canvas vertically
# At 67px, "A" will fill the canvas vertically
#
# Ideographic baseline is 0.125em above alphabetic
# Mathematical baseline is 0.375em above alphabetic
# Hanging baseline is 0.500em above alphabetic
# WebKit doesn't block onload on font loads, so we try to make it a bit more reliable
# by waiting with step_timeout after load before drawing
- name: 2d.text.draw.fill.maxWidth.fontface
desc: fillText works on @font-face fonts
testing:
- 2d.text.draw.maxwidth
fonts:
- CanvasTest
code: |
ctx.font = '50px CanvasTest';
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.fillText('EEEE', -50, 37.5, 40);
@assert pixel 5,5 ==~ 0,255,0,255;
@assert pixel 95,5 ==~ 0,255,0,255;
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
}), 500);
expected: green
- name: 2d.text.draw.fill.maxWidth.bound
desc: fillText handles maxWidth based on line size, not bounding box size
testing:
- 2d.text.draw.maxwidth
fonts:
- CanvasTest
code: |
ctx.font = '50px CanvasTest';
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillText('DD', 0, 37.5, 100);
@assert pixel 5,5 ==~ 0,255,0,255;
@assert pixel 95,5 ==~ 0,255,0,255;
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
}), 500);
expected: green
- name: 2d.text.draw.fontface
testing:
- 2d.text.font.fontface
fonts:
- CanvasTest
code: |
ctx.font = '67px CanvasTest';
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillText('AA', 0, 50);
@assert pixel 5,5 ==~ 0,255,0,255;
@assert pixel 95,5 ==~ 0,255,0,255;
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
}), 500);
expected: green
- name: 2d.text.draw.fontface.repeat
desc: Draw with the font immediately, then wait a bit until and draw again. (This
crashes some version of WebKit.)
testing:
- 2d.text.font.fontface
fonts:
- CanvasTest
fonthack: 0
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.font = '67px CanvasTest';
ctx.fillStyle = '#0f0';
ctx.fillText('AA', 0, 50);
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillText('AA', 0, 50);
@assert pixel 5,5 ==~ 0,255,0,255;
@assert pixel 95,5 ==~ 0,255,0,255;
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
}), 500);
expected: green
- name: 2d.text.draw.fontface.notinpage
desc: '@font-face fonts should work even if they are not used in the page'
testing:
- 2d.text.font.fontface
fonts:
- CanvasTest
fonthack: 0
code: |
ctx.font = '67px CanvasTest';
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillText('AA', 0, 50);
@assert pixel 5,5 ==~ 0,255,0,255; @moz-todo
@assert pixel 95,5 ==~ 0,255,0,255; @moz-todo
@assert pixel 25,25 ==~ 0,255,0,255; @moz-todo
@assert pixel 75,25 ==~ 0,255,0,255; @moz-todo
}), 500);
expected: green
- name: 2d.text.draw.align.left
desc: textAlign left is the left of the first em square (not the bounding box)
testing:
- 2d.text.align.left
fonts:
- CanvasTest
code: |
ctx.font = '50px CanvasTest';
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.textAlign = 'left';
ctx.fillText('DD', 0, 37.5);
@assert pixel 5,5 ==~ 0,255,0,255;
@assert pixel 95,5 ==~ 0,255,0,255;
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
@assert pixel 5,45 ==~ 0,255,0,255;
@assert pixel 95,45 ==~ 0,255,0,255;
}), 500);
expected: green
- name: 2d.text.draw.align.right
desc: textAlign right is the right of the last em square (not the bounding box)
testing:
- 2d.text.align.right
fonts:
- CanvasTest
code: |
ctx.font = '50px CanvasTest';
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.textAlign = 'right';
ctx.fillText('DD', 100, 37.5);
@assert pixel 5,5 ==~ 0,255,0,255;
@assert pixel 95,5 ==~ 0,255,0,255;
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
@assert pixel 5,45 ==~ 0,255,0,255;
@assert pixel 95,45 ==~ 0,255,0,255;
}), 500);
expected: green
- name: 2d.text.draw.align.start.ltr
desc: textAlign start with ltr is the left edge
testing:
- 2d.text.align.left
fonts:
- CanvasTest
canvas: width="100" height="50" dir="ltr"
code: |
ctx.font = '50px CanvasTest';
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.textAlign = 'start';
ctx.fillText('DD', 0, 37.5);
@assert pixel 5,5 ==~ 0,255,0,255;
@assert pixel 95,5 ==~ 0,255,0,255;
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
@assert pixel 5,45 ==~ 0,255,0,255;
@assert pixel 95,45 ==~ 0,255,0,255;
}), 500);
expected: green
- name: 2d.text.draw.align.start.rtl
desc: textAlign start with rtl is the right edge
testing:
- 2d.text.align.right
- 2d.text.draw.direction
fonts:
- CanvasTest
canvas: width="100" height="50" dir="rtl"
code: |
ctx.font = '50px CanvasTest';
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.textAlign = 'start';
ctx.fillText('DD', 100, 37.5);
@assert pixel 5,5 ==~ 0,255,0,255;
@assert pixel 95,5 ==~ 0,255,0,255;
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
@assert pixel 5,45 ==~ 0,255,0,255;
@assert pixel 95,45 ==~ 0,255,0,255;
}), 500);
expected: green
- name: 2d.text.draw.align.end.ltr
desc: textAlign end with ltr is the right edge
testing:
- 2d.text.align.right
fonts:
- CanvasTest
canvas: width="100" height="50" dir="ltr"
code: |
ctx.font = '50px CanvasTest';
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.textAlign = 'end';
ctx.fillText('DD', 100, 37.5);
@assert pixel 5,5 ==~ 0,255,0,255;
@assert pixel 95,5 ==~ 0,255,0,255;
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
@assert pixel 5,45 ==~ 0,255,0,255;
@assert pixel 95,45 ==~ 0,255,0,255;
}), 500);
expected: green
- name: 2d.text.draw.align.end.rtl
desc: textAlign end with rtl is the left edge
testing:
- 2d.text.align.left
- 2d.text.draw.direction
fonts:
- CanvasTest
canvas: width="100" height="50" dir="rtl"
code: |
ctx.font = '50px CanvasTest';
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.textAlign = 'end';
ctx.fillText('DD', 0, 37.5);
@assert pixel 5,5 ==~ 0,255,0,255;
@assert pixel 95,5 ==~ 0,255,0,255;
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
@assert pixel 5,45 ==~ 0,255,0,255;
@assert pixel 95,45 ==~ 0,255,0,255;
}), 500);
expected: green
- name: 2d.text.draw.align.center
desc: textAlign center is the center of the em squares (not the bounding box)
testing:
- 2d.text.align.center
fonts:
- CanvasTest
code: |
ctx.font = '50px CanvasTest';
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.textAlign = 'center';
ctx.fillText('DD', 50, 37.5);
@assert pixel 5,5 ==~ 0,255,0,255;
@assert pixel 95,5 ==~ 0,255,0,255;
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
@assert pixel 5,45 ==~ 0,255,0,255;
@assert pixel 95,45 ==~ 0,255,0,255;
}), 500);
expected: green
- name: 2d.text.draw.space.basic
desc: U+0020 is rendered the correct size (1em wide)
testing:
- 2d.text.draw.spaces
fonts:
- CanvasTest
code: |
ctx.font = '50px CanvasTest';
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillText('E EE', -100, 37.5);
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
}), 500);
expected: green
- name: 2d.text.draw.space.collapse.nonspace
desc: Non-space characters are not converted to U+0020 and collapsed
testing:
- 2d.text.draw.spaces
fonts:
- CanvasTest
code: |
ctx.font = '50px CanvasTest';
deferTest();
step_timeout(t.step_func_done(function () {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillText('E\x0b EE', -150, 37.5);
@assert pixel 25,25 ==~ 0,255,0,255;
@assert pixel 75,25 ==~ 0,255,0,255;
}), 500);
expected: green
- name: 2d.text.measure.width.basic
desc: The width of character is same as font used
testing:
- 2d.text.measure
fonts:
- CanvasTest
code: |
deferTest();
var f = new FontFace("CanvasTest", "/fonts/CanvasTest.ttf");
document.fonts.add(f);
document.fonts.ready.then(() => {
step_timeout(t.step_func_done(function () {
ctx.font = '50px CanvasTest';
@assert ctx.measureText('A').width === 50;
@assert ctx.measureText('AA').width === 100;
@assert ctx.measureText('ABCD').width === 200;
ctx.font = '100px CanvasTest';
@assert ctx.measureText('A').width === 100;
}), 500);
});
- name: 2d.text.measure.width.empty
desc: The empty string has zero width
testing:
- 2d.text.measure
fonts:
- CanvasTest
code: |
deferTest();
var f = new FontFace("CanvasTest", "/fonts/CanvasTest.ttf");
document.fonts.add(f);
document.fonts.ready.then(() => {
step_timeout(t.step_func_done(function () {
ctx.font = '50px CanvasTest';
@assert ctx.measureText("").width === 0;
}), 500);
});
- name: 2d.text.measure.advances
desc: Testing width advances
testing:
- 2d.text.measure.advances
fonts:
- CanvasTest
code: |
deferTest();
var f = new FontFace("CanvasTest", "/fonts/CanvasTest.ttf");
document.fonts.add(f);
document.fonts.ready.then(() => {
step_timeout(t.step_func_done(function () {
ctx.font = '50px CanvasTest';
ctx.direction = 'ltr';
ctx.align = 'left'
// Some platforms may return '-0'.
@assert Math.abs(ctx.measureText('Hello').advances[0]) === 0;
// Different platforms may render text slightly different.
@assert ctx.measureText('Hello').advances[1] >= 36;
@assert ctx.measureText('Hello').advances[2] >= 58;
@assert ctx.measureText('Hello').advances[3] >= 70;
@assert ctx.measureText('Hello').advances[4] >= 80;
var tm = ctx.measureText('Hello');
@assert ctx.measureText('Hello').advances[0] === tm.advances[0];
@assert ctx.measureText('Hello').advances[1] === tm.advances[1];
@assert ctx.measureText('Hello').advances[2] === tm.advances[2];
@assert ctx.measureText('Hello').advances[3] === tm.advances[3];
@assert ctx.measureText('Hello').advances[4] === tm.advances[4];
}), 500);
});
- name: 2d.text.measure.actualBoundingBox
desc: Testing actualBoundingBox
testing:
- 2d.text.measure.actualBoundingBox
fonts:
- CanvasTest
code: |
deferTest();
var f = new FontFace("CanvasTest", "/fonts/CanvasTest.ttf");
document.fonts.add(f);
document.fonts.ready.then(() => {
step_timeout(t.step_func_done(function () {
ctx.font = '50px CanvasTest';
ctx.direction = 'ltr';
ctx.align = 'left'
ctx.baseline = 'alphabetic'
// Different platforms may render text slightly different.
// Values that are nominally expected to be zero might actually vary by a pixel or so
// if the UA accounts for antialiasing at glyph edges, so we allow a slight deviation.
@assert Math.abs(ctx.measureText('A').actualBoundingBoxLeft) <= 1;
@assert ctx.measureText('A').actualBoundingBoxRight >= 50;
@assert ctx.measureText('A').actualBoundingBoxAscent >= 35;
@assert Math.abs(ctx.measureText('A').actualBoundingBoxDescent) <= 1;
@assert ctx.measureText('D').actualBoundingBoxLeft >= 48;
@assert ctx.measureText('D').actualBoundingBoxLeft <= 52;
@assert ctx.measureText('D').actualBoundingBoxRight >= 75;
@assert ctx.measureText('D').actualBoundingBoxRight <= 80;
@assert ctx.measureText('D').actualBoundingBoxAscent >= 35;
@assert ctx.measureText('D').actualBoundingBoxAscent <= 40;
@assert ctx.measureText('D').actualBoundingBoxDescent >= 12;
@assert ctx.measureText('D').actualBoundingBoxDescent <= 15;
@assert Math.abs(ctx.measureText('ABCD').actualBoundingBoxLeft) <= 1;
@assert ctx.measureText('ABCD').actualBoundingBoxRight >= 200;
@assert ctx.measureText('ABCD').actualBoundingBoxAscent >= 85;
@assert ctx.measureText('ABCD').actualBoundingBoxDescent >= 37;
}), 500);
});
- name: 2d.text.measure.fontBoundingBox
desc: Testing fontBoundingBox
testing:
- 2d.text.measure.fontBoundingBox
fonts:
- CanvasTest
code: |
deferTest();
var f = new FontFace("CanvasTest", "/fonts/CanvasTest.ttf");
document.fonts.add(f);
document.fonts.ready.then(() => {
step_timeout(t.step_func_done(function () {
ctx.font = '50px CanvasTest';
ctx.direction = 'ltr';
ctx.align = 'left'
@assert ctx.measureText('A').fontBoundingBoxAscent === 85;
@assert ctx.measureText('A').fontBoundingBoxDescent === 39;
@assert ctx.measureText('ABCD').fontBoundingBoxAscent === 85;
@assert ctx.measureText('ABCD').fontBoundingBoxDescent === 39;
}), 500);
});
- name: 2d.text.measure.fontBoundingBox.ahem
desc: Testing fontBoundingBox for font ahem
testing:
- 2d.text.measure.fontBoundingBox
fonts:
- Ahem
code: |
deferTest();
var f = new FontFace("Ahem", "/fonts/Ahem.ttf");
document.fonts.add(f);
document.fonts.ready.then(() => {
step_timeout(t.step_func_done(function () {
ctx.font = '50px Ahem';
ctx.direction = 'ltr';
ctx.align = 'left'
@assert ctx.measureText('A').fontBoundingBoxAscent === 40;
@assert ctx.measureText('A').fontBoundingBoxDescent === 10;
@assert ctx.measureText('ABCD').fontBoundingBoxAscent === 40;
@assert ctx.measureText('ABCD').fontBoundingBoxDescent === 10;
}), 500);
});
- name: 2d.text.measure.emHeights
desc: Testing emHeights
testing:
- 2d.text.measure.emHeights
fonts:
- CanvasTest
code: |
deferTest();
var f = new FontFace("CanvasTest", "/fonts/CanvasTest.ttf");
document.fonts.add(f);
document.fonts.ready.then(() => {
step_timeout(t.step_func_done(function () {
ctx.font = '50px CanvasTest';
ctx.direction = 'ltr';
ctx.align = 'left'
@assert ctx.measureText('A').emHeightAscent === 37.5;
@assert ctx.measureText('A').emHeightDescent === 12.5;
@assert ctx.measureText('A').emHeightDescent + ctx.measureText('A').emHeightAscent === 50;
@assert ctx.measureText('ABCD').emHeightAscent === 37.5;
@assert ctx.measureText('ABCD').emHeightDescent === 12.5;
@assert ctx.measureText('ABCD').emHeightDescent + ctx.measureText('ABCD').emHeightAscent === 50;
}), 500);
});
- name: 2d.text.measure.baselines
desc: Testing baselines
testing:
- 2d.text.measure.baselines
fonts:
- CanvasTest
code: |
deferTest();
var f = new FontFace("CanvasTest", "/fonts/CanvasTest.ttf");
document.fonts.add(f);
document.fonts.ready.then(() => {
step_timeout(t.step_func_done(function () {
ctx.font = '50px CanvasTest';
ctx.direction = 'ltr';
ctx.align = 'left'
@assert Math.abs(ctx.measureText('A').getBaselines().alphabetic) === 0;
@assert ctx.measureText('A').getBaselines().ideographic === -39;
@assert ctx.measureText('A').getBaselines().hanging === 68;
@assert Math.abs(ctx.measureText('ABCD').getBaselines().alphabetic) === 0;
@assert ctx.measureText('ABCD').getBaselines().ideographic === -39;
@assert ctx.measureText('ABCD').getBaselines().hanging === 68;
}), 500);
});
- name: 2d.text.drawing.style.spacing
desc: Testing letter spacing and word spacing
testing:
- 2d.text.drawing.style.spacing
code: |
@assert ctx.textLetterSpacing === 0;
@assert ctx.textWordSpacing === 0;
ctx.textLetterSpacing = 3;
@assert ctx.textLetterSpacing === 3;
@assert ctx.textWordSpacing === 0;
ctx.textWordSpacing = 5;
@assert ctx.textLetterSpacing === 3;
@assert ctx.textWordSpacing === 5;
ctx.textLetterSpacing = -1;
ctx.textWordSpacing = -1;
@assert ctx.textLetterSpacing === -1;
@assert ctx.textWordSpacing === -1;
- name: 2d.text.drawing.style.spacing.measure
desc: Testing letter spacing and word spacing
testing:
- 2d.text.drawing.style.spacing
code: |
@assert ctx.textLetterSpacing === 0;
@assert ctx.textWordSpacing === 0;
var width_normal = ctx.measureText('Hello World').width;
ctx.textLetterSpacing = 3;
@assert ctx.textLetterSpacing === 3;
@assert ctx.textWordSpacing === 0;
var width_with_spacing = ctx.measureText('Hello World').width;
// Add letter spacing after each letter, so 11 * 3 = 33px longer.
@assert width_with_spacing === width_normal + 33;
ctx.textWordSpacing = 5;
ctx.textLetterSpacing = 0;
@assert ctx.textLetterSpacing === 0;
@assert ctx.textWordSpacing === 5;
// Add Word Spacing between "Hello" and "World", so it's 5px longer.
width_with_spacing = ctx.measureText('Hello World').width;
@assert width_with_spacing === width_normal + 5;
ctx.textLetterSpacing = -2;
ctx.textWordSpacing = -1;
@assert ctx.textLetterSpacing === -2;
@assert ctx.textWordSpacing === -1;
// Add Word Spacing and letter spacing, so it's -11*2 = -22px from
// letter spacing and -1px from word spacing.
width_with_spacing = ctx.measureText('Hello World').width;
@assert width_with_spacing === width_normal - 23;
- name: 2d.text.drawing.style.fontKerning
desc: Testing basic functionalities of fontKerning for canvas
testing:
- 2d.text.drawing.style.fontKerning
code: |
@assert ctx.fontKerning === "Auto";
ctx.fontKerning = "Normal";
@assert ctx.fontKerning === "Normal";
width_normal = ctx.measureText("TAWATAVA").width;
ctx.fontKerning = "None";
@assert ctx.fontKerning === "None";
width_none = ctx.measureText("TAWATAVA").width;
@assert width_normal < width_none;
- name: 2d.text.drawing.style.fontKerning.with.uppercase
desc: Testing basic functionalities of fontKerning for canvas
testing:
- 2d.text.drawing.style.fontKerning
code: |
@assert ctx.fontKerning === "Auto";
ctx.fontKerning = "Normal";
@assert ctx.fontKerning === "Normal";
ctx.fontKerning = "Auto";
ctx.fontKerning = "normal";
@assert ctx.fontKerning === "Normal";
ctx.fontKerning = "Auto";
ctx.fontKerning = "noRmal";
@assert ctx.fontKerning === "Normal";
ctx.fontKerning = "Auto";
ctx.fontKerning = "NoRMal";
@assert ctx.fontKerning === "Normal";
ctx.fontKerning = "Auto";
ctx.fontKerning = "NORMAL";
@assert ctx.fontKerning === "Normal";
ctx.fontKerning = "None";
@assert ctx.fontKerning === "None";
ctx.fontKerning = "Auto";
ctx.fontKerning = "none";
@assert ctx.fontKerning === "None";
ctx.fontKerning = "Auto";
ctx.fontKerning = "nOne";
@assert ctx.fontKerning === "None";
ctx.fontKerning = "Auto";
ctx.fontKerning = "nonE";
@assert ctx.fontKerning === "None";
ctx.fontKerning = "Auto";
ctx.fontKerning = "NONE";
@assert ctx.fontKerning === "None";
- name: 2d.text.drawing.style.fontVariant.settings
desc: Testing basic functionalities of fontKerning for canvas
testing:
- 2d.text.drawing.style.fontVariantCaps
code: |
// Setting fontVariantCaps with lower cases
@assert ctx.fontVariantCaps === "Normal";
ctx.fontVariantCaps = "normal";
@assert ctx.fontVariantCaps === "Normal";
ctx.fontVariantCaps = "small-caps";
@assert ctx.fontVariantCaps === "SmallCaps";
ctx.fontVariantCaps = "all-small-caps";
@assert ctx.fontVariantCaps === "AllSmallCaps";
ctx.fontVariantCaps = "petite-caps";
@assert ctx.fontVariantCaps === "PetiteCaps";
ctx.fontVariantCaps = "all-petite-caps";
@assert ctx.fontVariantCaps === "AllPetiteCaps";
ctx.fontVariantCaps = "unicase";
@assert ctx.fontVariantCaps === "Unicase";
ctx.fontVariantCaps = "titling-caps";
@assert ctx.fontVariantCaps === "TitlingCaps";
// Setting fontVariantCaps with lower cases and upper cases word.
ctx.fontVariantCaps = "nORmal";
@assert ctx.fontVariantCaps === "Normal";
ctx.fontVariantCaps = "smaLL-caps";
@assert ctx.fontVariantCaps === "SmallCaps";
ctx.fontVariantCaps = "all-small-CAPS";
@assert ctx.fontVariantCaps === "AllSmallCaps";
ctx.fontVariantCaps = "pEtitE-caps";
@assert ctx.fontVariantCaps === "PetiteCaps";
ctx.fontVariantCaps = "All-Petite-Caps";
@assert ctx.fontVariantCaps === "AllPetiteCaps";
ctx.fontVariantCaps = "uNIcase";
@assert ctx.fontVariantCaps === "Unicase";
ctx.fontVariantCaps = "titling-CAPS";
@assert ctx.fontVariantCaps === "TitlingCaps";
// Setting fontVariantCaps with non-existing font variant.
ctx.fontVariantCaps = "abcd";
@assert ctx.fontVariantCaps === "TitlingCaps";
- name: 2d.text.drawing.style.textRendering.settings
desc: Testing basic functionalities of textRendering in Canvas
testing:
- 2d.text.drawing.style.textRendering
code: |
// Setting textRendering with lower cases
@assert ctx.textRendering === "Auto";
ctx.textRendering = "auto";
@assert ctx.textRendering === "Auto";
ctx.textRendering = "optimizespeed";
@assert ctx.textRendering === "OptimizeSpeed";
ctx.textRendering = "optimizelegibility";
@assert ctx.textRendering === "OptimizeLegibility";
ctx.textRendering = "geometricprecision";
@assert ctx.textRendering === "GeometricPrecision";
// Setting textRendering with lower cases and upper cases word.
ctx.textRendering = "aUto";
@assert ctx.textRendering === "Auto";
ctx.textRendering = "OPtimizeSpeed";
@assert ctx.textRendering === "OptimizeSpeed";
ctx.textRendering = "OPtimizELEgibility";
@assert ctx.textRendering === "OptimizeLegibility";
ctx.textRendering = "GeometricPrecision";
@assert ctx.textRendering === "GeometricPrecision";
// Setting textRendering with non-existing font variant.
ctx.textRendering = "abcd";
@assert ctx.textRendering === "GeometricPrecision";
# TODO: shadows, alpha, composite, clip