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