1/* Copyright (c) 2013-2015 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 "PaletteView.h"
 7
 8#include "VFileDevice.h"
 9
10#include <QFileDialog>
11#include <QFontDatabase>
12
13extern "C" {
14#include "gba/supervisor/export.h"
15#include "util/vfs.h"
16}
17
18using namespace QGBA;
19
20PaletteView::PaletteView(GameController* controller, QWidget* parent)
21	: QWidget(parent)
22	, m_controller(controller)
23{
24	m_ui.setupUi(this);
25
26	connect(m_controller, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(updatePalette()));
27	m_ui.bgGrid->setDimensions(QSize(16, 16));
28	m_ui.objGrid->setDimensions(QSize(16, 16));
29	m_ui.selected->setSize(64);
30	m_ui.selected->setDimensions(QSize(1, 1));
31	updatePalette();
32
33	const QFont font = QFontDatabase::systemFont(QFontDatabase::FixedFont);
34
35	m_ui.hexcode->setFont(font);
36	m_ui.value->setFont(font);
37	m_ui.index->setFont(font);
38	m_ui.r->setFont(font);
39	m_ui.g->setFont(font);
40	m_ui.b->setFont(font);
41
42	connect(m_ui.bgGrid, SIGNAL(indexPressed(int)), this, SLOT(selectIndex(int)));
43	connect(m_ui.objGrid, &Swatch::indexPressed, [this] (int index) { selectIndex(index + 256); });
44	connect(m_ui.exportBG, &QAbstractButton::clicked, [this] () { exportPalette(0, 256); });
45	connect(m_ui.exportOBJ, &QAbstractButton::clicked, [this] () { exportPalette(256, 256); });
46
47	connect(controller, SIGNAL(gameStopped(GBAThread*)), this, SLOT(close()));
48}
49
50void PaletteView::updatePalette() {
51	if (!m_controller->thread() || !m_controller->thread()->gba) {
52		return;
53	}
54	const uint16_t* palette = m_controller->thread()->gba->video.palette;
55	for (int i = 0; i < 256; ++i) {
56		m_ui.bgGrid->setColor(i, palette[i]);
57		m_ui.objGrid->setColor(i, palette[i + 256]);
58	}
59	m_ui.bgGrid->update();
60	m_ui.objGrid->update();
61}
62
63void PaletteView::selectIndex(int index) {
64	uint16_t color = m_controller->thread()->gba->video.palette[index];
65	m_ui.selected->setColor(0, color);
66	uint32_t r = GBA_R5(color);
67	uint32_t g = GBA_G5(color);
68	uint32_t b = GBA_B5(color);
69	uint32_t hexcode = (r << 19) | (g << 11) | (b << 3);
70	m_ui.hexcode->setText(tr("#%0").arg(hexcode, 6, 16, QChar('0')));
71	m_ui.value->setText(tr("0x%0").arg(color, 4, 16, QChar('0')));
72	m_ui.index->setText(tr("%0").arg(index, 3, 10, QChar('0')));
73	m_ui.r->setText(tr("0x%0 (%1)").arg(r, 2, 16, QChar('0')).arg(r, 2, 10, QChar('0')));
74	m_ui.g->setText(tr("0x%0 (%1)").arg(g, 2, 16, QChar('0')).arg(g, 2, 10, QChar('0')));
75	m_ui.b->setText(tr("0x%0 (%1)").arg(b, 2, 16, QChar('0')).arg(b, 2, 10, QChar('0')));
76}
77
78void PaletteView::exportPalette(int start, int length) {
79	if (start >= 512) {
80		return;
81	}
82	if (start + length > 512) {
83		length = 512 - start;
84	}
85	m_controller->threadInterrupt();
86	QString filename = QFileDialog::getSaveFileName(this, tr("Export palette"), QString(), tr("Windows PAL (*.pal);;Adobe Color Table (*.act)"));
87	if (filename.isNull()) {
88		m_controller->threadContinue();
89		return;
90	}
91	VFile* vf = VFileDevice::open(filename, O_WRONLY | O_CREAT | O_TRUNC);
92	if (!vf) {
93		m_controller->threadContinue();
94		return;
95	}
96	GBAExportPaletteRIFF(vf, length, &m_controller->thread()->gba->video.palette[start]);
97	vf->close(vf);
98	m_controller->threadContinue();
99}