1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const {
createFactory,
PureComponent,
} = require("resource://devtools/client/shared/vendor/react.js");
const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.js");
const FontPropertyValue = createFactory(
require("resource://devtools/client/inspector/fonts/components/FontPropertyValue.js")
);
const Types = require("resource://devtools/client/inspector/fonts/types.js");
class FontAxis extends PureComponent {
static get propTypes() {
return {
axis: PropTypes.shape(Types.fontVariationAxis),
disabled: PropTypes.bool.isRequired,
onChange: PropTypes.func.isRequired,
value: PropTypes.number.isRequired,
};
}
/**
* Naive implementation to get increment step for variable font axis that ensures
* fine grained control based on range of values between min and max.
*
* @param {Number} min
* Minumum value for range.
* @param {Number} max
* Maximum value for range.
* @return {Number}
* Step value used in range input for font axis.
*/
getAxisStep(min, max) {
let step = 1;
const delta = parseInt(max, 10) - parseInt(min, 10);
if (delta <= 1) {
step = 0.001;
} else if (delta <= 10) {
step = 0.01;
} else if (delta <= 100) {
step = 0.1;
}
return step;
}
render() {
const { axis, value, onChange } = this.props;
return FontPropertyValue({
className: "font-control-axis",
disabled: this.props.disabled,
label: axis.name,
min: axis.minValue,
minLabel: true,
max: axis.maxValue,
maxLabel: true,
name: axis.tag,
nameLabel: true,
onChange,
step: this.getAxisStep(axis.minValue, axis.maxValue),
value,
});
}
}
module.exports = FontAxis;
|
