1/* Copyright (c) 2013-2014 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 "GIFView.h"
 7
 8#ifdef USE_MAGICK
 9
10#include "GBAApp.h"
11#include "LogController.h"
12
13#include <QMap>
14
15#include <mgba/internal/gba/gba.h>
16#include <mgba/internal/gba/video.h>
17
18using namespace QGBA;
19
20GIFView::GIFView(QWidget* parent)
21	: QWidget(parent)
22{
23	m_ui.setupUi(this);
24
25	connect(m_ui.start, &QAbstractButton::clicked, this, &GIFView::startRecording);
26	connect(m_ui.stop, &QAbstractButton::clicked, this, &GIFView::stopRecording);
27
28	connect(m_ui.selectFile, &QAbstractButton::clicked, this, &GIFView::selectFile);
29	connect(m_ui.filename, &QLineEdit::textChanged, this, &GIFView::setFilename);
30
31	connect(m_ui.frameskip, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged),
32	        this, &GIFView::updateDelay);
33	connect(m_ui.delayAuto, &QAbstractButton::clicked, this, &GIFView::updateDelay);
34
35	ImageMagickGIFEncoderInit(&m_encoder);
36}
37
38GIFView::~GIFView() {
39	stopRecording();
40}
41
42void GIFView::startRecording() {
43	int delayMs = m_ui.delayAuto->isChecked() ? -1 : m_ui.delayMs->value();
44	ImageMagickGIFEncoderSetParams(&m_encoder, m_ui.frameskip->value(), delayMs);
45	if (!ImageMagickGIFEncoderOpen(&m_encoder, m_filename.toUtf8().constData())) {
46		LOG(QT, ERROR) << tr("Failed to open output GIF file: %1").arg(m_filename);
47		return;
48	}
49	m_ui.start->setEnabled(false);
50	m_ui.stop->setEnabled(true);
51	m_ui.groupBox->setEnabled(false);
52	emit recordingStarted(&m_encoder.d);
53}
54
55void GIFView::stopRecording() {
56	emit recordingStopped();
57	ImageMagickGIFEncoderClose(&m_encoder);
58	m_ui.stop->setEnabled(false);
59	m_ui.start->setEnabled(true);
60	m_ui.groupBox->setEnabled(true);
61}
62
63void GIFView::selectFile() {
64	QString filename = GBAApp::app()->getSaveFileName(this, tr("Select output file"), tr("Graphics Interchange Format (*.gif)"));
65	if (!filename.isEmpty()) {
66		m_ui.filename->setText(filename);
67		if (!ImageMagickGIFEncoderIsOpen(&m_encoder)) {
68			m_ui.start->setEnabled(true);
69		}
70	}
71}
72
73void GIFView::setFilename(const QString& fname) {
74	m_filename = fname;
75}
76
77void GIFView::updateDelay() {
78	if (!m_ui.delayAuto->isChecked()) {
79		return;
80	}
81
82	uint64_t s = (m_ui.frameskip->value() + 1);
83	s *= VIDEO_TOTAL_LENGTH * 1000;
84	s /= GBA_ARM7TDMI_FREQUENCY;
85	m_ui.delayMs->setValue(s);
86}
87
88#endif