/***************************************************************************
* Copyright (C) 2011-2014 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <QPainter>
#include <QFile>
#include <QTimer>
#include <stdlib.h>
#include <qmmp/qmmp.h>
#include "logo.h"
#define VISUAL_NODE_SIZE 128 //samples
#define VISUAL_BUFFER_SIZE (3*VISUAL_NODE_SIZE)
Logo::Logo(QWidget *parent) : Visual(parent)
{
QPixmap pixmap(":/qsui/terminus.png");
m_letters.insert('0', pixmap.copy(0, 0, 8, 14));
m_letters.insert('1', pixmap.copy(8, 0, 8, 14));
m_letters.insert('2', pixmap.copy(16, 0, 8, 14));
m_letters.insert('3', pixmap.copy(24, 0, 8, 14));
m_letters.insert('4', pixmap.copy(32, 0, 8, 14));
m_letters.insert('5', pixmap.copy(40, 0, 8, 14));
m_letters.insert('6', pixmap.copy(48, 0, 8, 14));
m_letters.insert('7', pixmap.copy(56, 0, 8, 14));
m_letters.insert('8', pixmap.copy(64, 0, 8, 14));
m_letters.insert('9', pixmap.copy(72, 0, 8, 14));
m_letters.insert('A', pixmap.copy(80, 0, 8, 14));
m_letters.insert('B', pixmap.copy(88, 0, 8, 14));
m_letters.insert('C', pixmap.copy(96, 0, 8, 14));
m_letters.insert('D', pixmap.copy(104, 0, 8, 14));
m_letters.insert('E', pixmap.copy(112, 0, 8, 14));
m_letters.insert('F', pixmap.copy(120, 0, 8, 14));
m_letters.insert('/', pixmap.copy(128, 0, 8, 14));
m_letters.insert('|', pixmap.copy(136, 0, 8, 14));
m_letters.insert('\\', pixmap.copy(144, 0, 8, 14));
m_letters.insert('_', pixmap.copy(152, 0, 8, 14));
m_letters.insert('-', pixmap.copy(160, 0, 8, 14));
m_letters.insert('X', pixmap.copy(168, 0, 8, 14));
m_letters.insert('.', pixmap.copy(176, 0, 8, 14));
m_letters.insert(' ', pixmap.copy(184, 0, 8, 14));
QFile file(":/ascii_logo.txt");
file.open(QIODevice::ReadOnly | QIODevice::Text);
while(!file.atEnd())
{
QString line = file.readLine();
m_source_lines.append(line);
}
QTimer *m_timer = new QTimer(this);
connect(m_timer, SIGNAL(timeout()), SLOT(updateLetters()));
m_timer->setInterval(50);
m_timer->start();
m_buffer_at = 0;
m_value = 0;
m_elapsed = 0;
m_buffer = new short[VISUAL_BUFFER_SIZE];
updateLetters();
Visual::add(this);
}
Logo::~Logo()
{
Visual::remove(this);
}
void Logo::add(unsigned char *data, qint64 size, int chan)
{
Q_UNUSED(chan);
if(VISUAL_BUFFER_SIZE == m_buffer_at)
{
m_buffer_at -= VISUAL_NODE_SIZE;
memmove(m_buffer, (short*) (m_buffer + VISUAL_NODE_SIZE), m_buffer_at * 2);
return;
}
int size_2 = qMin((int)size/2, VISUAL_BUFFER_SIZE - m_buffer_at);
memcpy((ushort*)(m_buffer + m_buffer_at), (short*) data, size_2 * 2);
m_buffer_at += size_2;
}
void Logo::clear()
{
update();
}
void Logo::paintEvent(QPaintEvent *)
{
QPainter painter(this);
painter.fillRect(rect(), "black");
for(int row = 0; row < m_lines.count(); ++row)
{
QString text = m_lines.at(row);
for(int i = 0; i < text.size(); ++i)
{
painter.drawPixmap(width() / 2 - 155 + i*8,row*14, m_letters.value(text[i]));
}
}
}
void Logo::mousePressEvent(QMouseEvent *)
{
m_elapsed = 2000;
m_value = 0;
}
void Logo::updateLetters()
{
if(m_elapsed < 2000)
{
m_value = m_elapsed / 100;
processPreset1();
}
else if (m_elapsed >= 2000 && m_elapsed < 6000)
{
m_value++;
processPreset2();
}
else if(m_elapsed >= 6000 && m_elapsed < 9000)
{
m_value++;
processPreset3();
}
else if(m_elapsed >= 9000 && m_elapsed < 12000)
{
processPreset4();
}
else if(m_elapsed >= 12000)
{
m_value = 0;
m_elapsed = 0;
}
m_elapsed += 50;
}
void Logo::processPreset1()
{
m_lines.clear();
mutex()->lock();
QString line;
for(int i = 0; i < m_source_lines.count(); ++i)
{
line = m_source_lines[i];
line = line.replace("X", ".");
if(m_value == i)
{
line.remove(0,2);
line.append(" ");
}
else if(m_value == i - 1 || m_value == i + 1)
{
line.remove(0,1);
line.append(" ");
}
m_lines.append(line);
}
mutex()->unlock();
update();
}
void Logo::processPreset2()
{
m_lines.clear();
mutex()->lock();
QString str = QString("..0000..");//.arg(Qmmp::strVersion().left(5));
int at = m_value % str.size();
foreach(QString line, m_source_lines)
{
while(line.contains("X"))
{
at++;
line.replace(line.indexOf("X"), 1, QString("%1").arg(str.at(at % str.size()),
0, 16).toUpper());
}
m_lines.append(line);
}
mutex()->unlock();
update();
}
void Logo::processPreset3()
{
m_lines.clear();
mutex()->lock();
QString str = QString("...%1...").arg(Qmmp::strVersion().left(5));
int at = m_value % str.size();
foreach(QString line, m_source_lines)
{
while(line.contains("X"))
{
at++;
line.replace(line.indexOf("X"), 1, QString("%1").arg(str.at(at % str.size()),
0, 16).toUpper());
}
m_lines.append(line);
}
mutex()->unlock();
update();
}
void Logo::processPreset4()
{
m_lines.clear();
mutex()->lock();
int max = 0;
if(m_buffer_at < VISUAL_NODE_SIZE)
{
m_value -= 512;
m_value = qMax(m_value, max);
}
else
{
for(int j = 0; j < VISUAL_NODE_SIZE; j+=8)
{
if(m_buffer[j] > max)
max = m_buffer[j];
}
m_buffer_at -= VISUAL_NODE_SIZE;
memmove(m_buffer, m_buffer + VISUAL_NODE_SIZE, m_buffer_at * 2);
m_value -= 512;
m_value = qMax(m_value, max);
}
int at = 0;
foreach(QString line, m_source_lines)
{
int count = line.count("X");
int k = 0;
while(k < m_value * count / 2048 / 16 / 2)
{
int value = abs(m_buffer[qMin(at++, m_buffer_at)] / 2048);
line.replace(line.indexOf("X"), 1, QString("%1").arg(value, 0, 16).toUpper());
k++;
}
k = 0;
while(k < m_value * count / 2048 / 16 / 2)
{
int value = abs(m_buffer[qMin(at++, m_buffer_at)] / 2048);
line.replace(line.lastIndexOf("X"), 1, QString("%1").arg(value, 0, 16).toUpper());
k++;
}
while(line.contains("X"))
{
line.replace(line.indexOf("X"), 1, ".");
}
m_lines.append(line);
}
mutex()->unlock();
update();
}
