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Diffstat (limited to 'eyesapplet/eyes.cpp')
| -rw-r--r-- | eyesapplet/eyes.cpp | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/eyesapplet/eyes.cpp b/eyesapplet/eyes.cpp new file mode 100644 index 0000000..99d8e55 --- /dev/null +++ b/eyesapplet/eyes.cpp @@ -0,0 +1,202 @@ +/* + * Copyright (c) 2000 Matthias Elter <elter@kde.org> + * based on keyes (C) 1999 by Jerome Tollet <tollet@magic.fr> + * + * 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 + */ + +#include <math.h> + +#include <qpainter.h> +#include <qcursor.h> +#include <qimage.h> + +#include <klocale.h> +#include <kglobal.h> +#include <kapplication.h> + +#include "eyes.h" +#include "eyes.moc" + +#define AAFACTOR 4 + +extern "C" +{ + KDE_EXPORT KPanelApplet* init(QWidget *parent, const QString& configFile) + { + KGlobal::locale()->insertCatalogue("keyesapplet"); + EyesApplet *applet = new EyesApplet(configFile, KPanelApplet::Normal, 0, parent, "keyesapplet"); + return applet; + } +} + +EyesApplet::EyesApplet(const QString& configFile, Type t, int actions, + QWidget *parent, const char *name) + : KPanelApplet( configFile, t, actions, parent, name ) +{ + setWFlags(WNoAutoErase); + setBackgroundOrigin(AncestorOrigin); + startTimer(50); + oldleft = QPoint(-1, -1); + oldright = QPoint(-1, -1); + oldMouse = QPoint(-1, -1); +} + +int EyesApplet::widthForHeight(int h) const +{ + return static_cast<int>(1.4 * h); // rectangular shape. +} +int EyesApplet::heightForWidth(int w) const +{ + return static_cast<int>(w / 1.4); // rectangular shape. +} + +void EyesApplet::resizeEvent( QResizeEvent*e ) +{ + QWidget::resizeEvent(e); +} + +void EyesApplet::timerEvent(QTimerEvent*) +{ + QPoint mouse = mapFromGlobal(QCursor::pos()); + if (mouse != oldMouse) + update(); +} + +void EyesApplet::paintEvent(QPaintEvent*) +{ + int spWidth = width() * AAFACTOR; + int spHeight = height() * AAFACTOR; + + if (spWidth != _cache.width() || spHeight != _cache.height()) + _cache.resize(spWidth, spHeight); + + QPainter paint(&_cache); + + if (paletteBackgroundPixmap()) + { + QPixmap bg(width(), height()); + QPainter p(&bg); + QPoint offset = backgroundOffset(); + p.drawTiledPixmap(0, 0, width(), height(), *paletteBackgroundPixmap(), offset.x(), offset.y()); + p.end(); + QImage bgImage = bg.convertToImage().scale(spWidth, spHeight); + paint.drawImage(0, 0, bgImage); + } + else + { + _cache.fill(paletteBackgroundColor()); + } + + // draw eyes, no pupils + paint.setPen(QPen(black, 2 * AAFACTOR)); + paint.setBrush(QBrush(white)); + + int w = spWidth; // - AAFACTOR * 2; + int h = spHeight; // - AAFACTOR * 2; + + // left eye + paint.drawEllipse(AAFACTOR, AAFACTOR, w/2 - AAFACTOR, h - AAFACTOR * 2); + + // right eye + paint.drawEllipse(w/2, AAFACTOR, w/2 - AAFACTOR, h - AAFACTOR * 2); + + // draw pupils + drawPupils(&paint); + paint.end(); + + QPainter paintFinal(this); + QImage spImage = _cache.convertToImage(); + QImage displayImage = spImage.smoothScale(size()); + paintFinal.drawImage(0, 0, displayImage); + paintFinal.end(); +} + +void EyesApplet::drawPupils(QPainter* p) +{ + QPoint pos, mouse, vect; + double cos_alpha,sin_alpha; + + int w = width() * AAFACTOR; + int h = height() * AAFACTOR; + + oldMouse = mapFromGlobal(QCursor::pos()); + mouse = oldMouse * AAFACTOR; + int tmp = QMIN(h, w)/6; + + // left pupil + vect.setX(mouse.x() - h / 4); + vect.setY(mouse.y() - h / 2); + + cos_alpha = vect.x() / sqrt(double(vect.x() * vect.x() + vect.y() * vect.y())); + sin_alpha = vect.y() / sqrt(double(vect.x() * vect.x() + vect.y() * vect.y())); + + if(vect.x() * vect.x() + vect.y() * vect.y() > (w/4 - tmp) * (w/4 - tmp)* + cos_alpha * cos_alpha+ (h/2-tmp) * (h/2-tmp) * sin_alpha * sin_alpha) { + pos.setX(int((w/4-tmp) * cos_alpha+w/4)); + pos.setY(int((h/2-tmp) * sin_alpha+h/2)); + } + else + pos = mouse; + + if(pos != oldleft) { + + int sizeEye=QMIN(h,w)/6; + +// // draw over old pos +// p->setPen(QPen(NoPen)); +// p->setBrush(QBrush(white)); +// p->drawEllipse(oldleft.x() - sizeEye/2, oldleft.y() - sizeEye/2, sizeEye, sizeEye); + + // draw left pupil + p->setPen(QPen(NoPen)); + p->setBrush(QBrush(black)); + p->drawEllipse(pos.x() - sizeEye/2, pos.y() - sizeEye/2, sizeEye, sizeEye); + + //oldleft = pos; + } + + // right pupil + vect.setX(mouse.x() - 3*w/4); + vect.setY(mouse.y() - h/2); + + cos_alpha = vect.x()/sqrt(double(vect.x()*vect.x()+vect.y()*vect.y())); + sin_alpha = vect.y()/sqrt(double(vect.x()*vect.x()+vect.y()*vect.y())); + + if(vect.x()*vect.x() + vect.y()*vect.y() > (w/4-tmp)*(w/4-tmp) + *cos_alpha*cos_alpha+(h/2-tmp)*(h/2-tmp)*sin_alpha*sin_alpha) + { + pos.setX(int((w/4-tmp)*cos_alpha+3*w/4)); + pos.setY(int((h/2-tmp)*sin_alpha+h/2)); + } + else + pos = mouse; + + if(pos != oldright) { + + int sizeEye=QMIN(h,w)/6; + +// // draw over old pos +// p->setPen(QPen(NoPen)); +// p->setBrush(QBrush(white)); +// p->drawEllipse(oldright.x() - sizeEye/2, oldright.y() - sizeEye/2, sizeEye, sizeEye); + + // draw left pupil + p->setPen(QPen(NoPen)); + p->setBrush(QBrush(black)); + p->drawEllipse(pos.x() - sizeEye/2, pos.y() - sizeEye/2, sizeEye, sizeEye); + + //oldright = pos; + } +} |