diff options
Diffstat (limited to 'asciiquarium/src/frame.cpp')
| -rw-r--r-- | asciiquarium/src/frame.cpp | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/asciiquarium/src/frame.cpp b/asciiquarium/src/frame.cpp new file mode 100644 index 00000000..da0d006f --- /dev/null +++ b/asciiquarium/src/frame.cpp @@ -0,0 +1,204 @@ +/* + * Asciiquarium - Native KDE Screensaver based on the Asciiquarium program + * (c) Kirk Baucom <kbaucom@schizoid.com>, which you can find at + * http://www.robobunny.com/projects/asciiquarium/ + * + * Ported to KDE by Maksim Orlovich <maksim@kde.org> and + * Michael Pyne <michael.pyne@kdemail.net>. + * + * Copyright (c) 2003 Kirk Baucom <kbaucom@schizoid.com> + * Copyright (c) 2005 Maksim Orlovich <maksim@kde.org> + * Copyright (c) 2005 Michael Pyne <michael.pyne@kdemail.net> + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <kglobalsettings.h> +#include <kdebug.h> + +#include <qvaluevector.h> +#include <qstringlist.h> +#include <qimage.h> +#include <qfontmetrics.h> +#include <qpainter.h> +#include <qbitmap.h> + +#include "frame.h" + +void Frame::convertDataToPixmap(const Screen *screen) +{ + if(!height() || !width()) { + // Assume we're not ready to go. + return; + } + + int w = screen->cellWidth(), h = screen->cellHeight(); + QPixmap pix(width() * w, height() * h); + pix.fill(); + + QBitmap mask(pix.size(), true); + + QPainter p, p2; + + p.begin(&pix, true); + p2.begin(&mask, true); + + p.setFont(KGlobalSettings::fixedFont()); + QFontMetrics fm(p.font()); + int leadHeight = fm.leading() + fm.descent(); + + for(unsigned j = 0; j < m_data.count(); ++j) { + QValueVector<Screen::Pixel> row = m_data[j]; + if(row.isEmpty()) + continue; + + unsigned first, last; + for (first = 0; first < row.count() && row[first].letter == ' '; ++first) + ; + + last = row.count() - 1; // Assume the end is already stripped. + + for(unsigned i = first; i <= last; ++i) { + if(row[i].letter == m_transparentChar) + continue; + + p2.fillRect(i * w, j * h, w, h, Qt::color1); + + p.setPen(row[i].color); + p.fillRect(i * w, j * h, w, h, Qt::black); + p.drawText(i * w, j * h + (h - 1 - leadHeight), QChar(row[i].letter)); + } + } + + pix.setMask(mask); + + QPixmap erase(pix); + erase.fill(Qt::black); + erase.setMask(mask); + + m_pixmap = pix; + m_erasePixmap = erase; + + // Clear m_data to save a wee bit of memory. + m_data.clear(); +} + +Frame::Frame (QString text, QString mask, QRgb defaultColor, QChar transparent) +{ + //First, process the pixels. + + QStringList rows = QStringList::split('\n', text, true); + m_height = rows.size(); + m_width = 0; + m_transparentChar = transparent; + + for (QStringList::iterator i = rows.begin(); i != rows.end(); ++i) + { + QValueVector<Screen::Pixel> row; + for (int pos = 0; pos < (*i).length(); ++pos) + { + Screen::Pixel p; + p.letter = (*i).at(pos).unicode(); + p.color = defaultColor; + row.append(p); + } + + m_width = QMAX(m_width, row.size()); + m_data.append(row); + } + + //Now, the colors. + QStringList cols = QStringList::split('\n', mask, true); + int y = 0; + for (QStringList::iterator i = cols.begin(); i != cols.end(); ++i) + { + if (y >= m_data.size()) + break; + + for (int pos = 0; pos < (*i).length() && pos < m_data[y].size(); ++pos) + { + switch ((*i).at(pos).unicode()) + { + //Colors stolen from konsole, TEWidget.cpp + case 'R': + m_data[y][pos].color = 0xFF5454; + break; + case 'r': + m_data[y][pos].color = 0xB21818; + break; + case 'C': + m_data[y][pos].color = 0x54FFFF; + break; + case 'c': + m_data[y][pos].color = 0x18B2B2; + break; + case 'Y': + m_data[y][pos].color = 0xFFFF54; + break; + case 'y': + m_data[y][pos].color = 0xB26818; + break; + case 'G': + m_data[y][pos].color = 0x54FF54; + break; + case 'g': + m_data[y][pos].color = 0x18B218; + break; + case 'B': + m_data[y][pos].color = 0x5454FF; + break; + case 'b': + m_data[y][pos].color = 0x1818B2; + break; + case 'M': + m_data[y][pos].color = 0xFF54FF; + break; + case 'm': + m_data[y][pos].color = 0xB218B2; + break; + case 'W': + m_data[y][pos].color = 0xFFFFFF; + break; + case 'w': + m_data[y][pos].color = 0xB2B2B2; + break; + case ' ': + break; + default: + qDebug("dunno about color code:'%c'", (*i).at(pos).unicode()); + m_data[y][pos].color = 0xFFFFFF; + } + } + ++y; + } +} + +void Frame::paint(Screen* scr, int x, int y) +{ + if(m_pixmap.isNull()) + convertDataToPixmap(scr); + + scr->updateSpan(x, y, m_pixmap); +} + +void Frame::erase(Screen* scr, int x, int y) +{ + if(m_erasePixmap.isNull()) + convertDataToPixmap(scr); + + scr->clearSpan(x, y, m_erasePixmap); +} + +// vim: set et ts=8 sw=4: |