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
|
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* 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/. */
package org.mozilla.gecko.gfx;
import org.mozilla.gecko.util.FloatUtils;
import org.json.JSONException;
import org.json.JSONObject;
public class FloatSize {
public final float width, height;
public FloatSize(FloatSize size) { width = size.width; height = size.height; }
public FloatSize(IntSize size) { width = size.width; height = size.height; }
public FloatSize(float aWidth, float aHeight) { width = aWidth; height = aHeight; }
public FloatSize(JSONObject json) {
try {
width = (float)json.getDouble("width");
height = (float)json.getDouble("height");
} catch (JSONException e) {
throw new RuntimeException(e);
}
}
@Override
public String toString() { return "(" + width + "," + height + ")"; }
public boolean isPositive() {
return (width > 0 && height > 0);
}
public boolean fuzzyEquals(FloatSize size) {
return (FloatUtils.fuzzyEquals(size.width, width) &&
FloatUtils.fuzzyEquals(size.height, height));
}
public FloatSize scale(float factor) {
return new FloatSize(width * factor, height * factor);
}
/*
* Returns the size that represents a linear transition between this size and `to` at time `t`,
* which is on the scale [0, 1).
*/
public FloatSize interpolate(FloatSize to, float t) {
return new FloatSize(FloatUtils.interpolate(width, to.width, t),
FloatUtils.interpolate(height, to.height, t));
}
}
|
