1/* Copyright (c) 2013-2017 Jeffrey Pfau
 2 *
 3 * This Source Code Form is subject to the terms of the Mozilla Public
 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 6#pragma once
 7
 8#include <mgba/core/core.h>
 9
10#include <QRect>
11#include <QSize>
12#include <QString>
13
14namespace QGBA {
15
16QString niceSizeFormat(size_t filesize);
17QString nicePlatformFormat(mPlatform platform);
18
19inline void lockAspectRatio(const QSize& ref, QSize& size) {
20	if (size.width() * ref.height() > size.height() * ref.width()) {
21		size.setWidth(size.height() * ref.width() / ref.height());
22	} else if (size.width() * ref.height() < size.height() * ref.width()) {
23		size.setHeight(size.width() * ref.height() / ref.width());
24	}
25}
26
27inline void lockIntegerScaling(const QSize& ref, QSize& size) {
28	if (size.width() >= ref.width()) {
29		size.setWidth(size.width() - size.width() % ref.width());
30	}
31	if (size.height() >= ref.height()) {
32		size.setHeight(size.height() - size.height() % ref.height());
33	}
34}
35
36inline QRect clampSize(const QSize& ref, const QSize& size, bool aspectRatio, bool integerScaling) {
37	QSize ds = size;
38	if (aspectRatio) {
39		lockAspectRatio(ref, ds);
40	}
41	if (integerScaling) {
42		QGBA::lockIntegerScaling(ref, ds);
43	}
44	QPoint origin = QPoint((size.width() - ds.width()) / 2, (size.height() - ds.height()) / 2);
45	return QRect(origin, ds);
46}
47
48}