1/* Copyright (c) 2013-2016 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#include "TilePainter.h"
 7
 8#include <QImage>
 9#include <QMouseEvent>
10#include <QPainter>
11
12using namespace QGBA;
13
14TilePainter::TilePainter(QWidget* parent)
15	: QWidget(parent)
16{
17	m_backing = QPixmap(256, 768);
18	m_backing.fill(Qt::transparent);
19	resize(256, 768);
20}
21
22void TilePainter::paintEvent(QPaintEvent* event) {
23	QPainter painter(this);
24	painter.drawPixmap(QPoint(), m_backing);
25}
26
27void TilePainter::resizeEvent(QResizeEvent* event) {
28	if (width() / 8 != m_backing.width() / 8) {
29		m_backing = QPixmap(width(), (3072 * 8) / (width() / 8));
30		m_backing.fill(Qt::transparent);
31	}
32}
33
34void TilePainter::mousePressEvent(QMouseEvent* event) {
35	int x = event->x() / 8;
36	int y = event->y() / 8;
37	emit indexPressed(y * (width() / 8) + x);
38}
39
40void TilePainter::setTile(int index, const uint16_t* data) {
41	QPainter painter(&m_backing);
42	int w = width() / 8;
43	int x = index % w;
44	int y = index / w;
45	QRect r(x * 8, y * 8, 8, 8);
46	QImage tile(reinterpret_cast<const uchar*>(data), 8, 8, QImage::Format_RGB555);
47	painter.fillRect(r, tile.rgbSwapped());
48	update(r);
49}
50
51void TilePainter::setTileCount(int tiles) {
52	setMinimumSize(16, (tiles * 8) / (width() / 8));
53	resizeEvent(nullptr);
54}