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Diffstat (limited to 'superkaramba/src/imagelabel.cpp')
| -rw-r--r-- | superkaramba/src/imagelabel.cpp | 632 |
1 files changed, 632 insertions, 0 deletions
diff --git a/superkaramba/src/imagelabel.cpp b/superkaramba/src/imagelabel.cpp new file mode 100644 index 0000000..9959e8b --- /dev/null +++ b/superkaramba/src/imagelabel.cpp @@ -0,0 +1,632 @@ +/**************************************************************************** +* imagelabel.cpp - ImageLabel meter +* +* Copyright (C) 2003 Hans Karlsson <karlsson.h@home.se> +* Copyright (c) 2004 Petri Damstén <damu@iki.fi> +* +* This file is part of SuperKaramba. +* +* SuperKaramba 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. +* +* SuperKaramba 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 SuperKaramba; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +****************************************************************************/ + +#include <qpixmap.h> +#include <qtimer.h> +#include <qtooltip.h> +#include <kpixmapeffect.h> +#include <kdebug.h> +#include <kimageeffect.h> +#include <ktempfile.h> +#include <kio/job.h> +#include "karambaapp.h" +#include "imagelabel.h" + +// Effect +Effect::Effect(ImageLabel* img, int msec) : + myImage(img) +{ + if (msec > 0) + { + // remove the effect after the given time + //QTimer::singleShot (millisec, myImage, SLOT(slotEffectExpired())); + //timer -> changeInterval(millisec); + millisec = msec; + } + else + { + millisec = msec; + } +} + +Effect::~Effect() +{ +} + +void Effect::startTimer() +{ + if (millisec > 0) + { + QTimer::singleShot (millisec, myImage, SLOT(slotEffectExpired())); + millisec = 0; + } +} + +// Intensity +Intensity::Intensity(ImageLabel* img, float r, int millisec) : + Effect(img, millisec) +{ + ratio = r; + ratio = (ratio > 1) ? 1 : ratio; + ratio = (ratio < -1) ? -1 : ratio; +} + +KPixmap Intensity::apply(KPixmap pixmap) +{ + return KPixmapEffect::intensity(pixmap, ratio); +} + +// ChannelIntensity +ChannelIntensity::ChannelIntensity(ImageLabel* img, float r, QString c, + int millisec) : + Effect(img, millisec) +{ + ratio = r; + ratio = (ratio > 1) ? 1 : ratio; + ratio = (ratio < -1) ? -1 : ratio; + + channel = 0; + if (c.find("red", 0 , false)) + { + channel = 0; + } + else if (c.find("green", 0, false)) + { + channel = 1; + } + else if (c.find("blue", 0, false)) + { + channel = 2; + } +} + +KPixmap ChannelIntensity::apply(KPixmap pixmap) +{ + return KPixmapEffect::channelIntensity(pixmap, ratio, + (KPixmapEffect::RGBComponent)channel); +} + +// ToGray +ToGray::ToGray(ImageLabel* img, int millisec) : Effect(img, millisec) +{ +} + +KPixmap ToGray::apply(KPixmap pixmap) +{ + return KPixmapEffect::toGray(pixmap); +} + +/***********************************************************************/ + +ImageLabel::ImageLabel(karamba* k, int ix,int iy,int iw,int ih) : + Meter(k, ix,iy,iw,ih), zoomed(false), rollover(false) +{ + background = 0; + cblend = 0; + //scaleMat.reset(); + //rotMat.reset(); + scale_w = 1; + scale_h = 1; + rot_angle = 0; + + doScale = false; + doRotate = false; + + imageEffect = 0; +} + +ImageLabel::ImageLabel(karamba* k) : + Meter(k), zoomed(false), rollover(false) +{ + cblend = 0; + background = 0; +} + +ImageLabel::~ImageLabel() +{ + if (imageEffect != 0) + { + delete imageEffect; + imageEffect = 0; + } + if(!old_tip_rect.isNull()) + { + QToolTip::remove(m_karamba, old_tip_rect); + } +} + +void ImageLabel::setValue(long v) +{ + setValue( QString::number( v ) ); +} + +void ImageLabel::show() +{ + Meter::show(); + setEnabled(true); +} + +void ImageLabel::hide() +{ + Meter::hide(); + setEnabled(false); +} + +void ImageLabel::rotate(int deg) +{ + doRotate = !(deg == 0); + + rot_angle = deg; + + applyTransformations(); +} + +void ImageLabel::scale(int w, int h) +{ + doScale = !(w == realpixmap.width() && h == realpixmap.height()); + + scale_w = w; + scale_h = h; + + applyTransformations(); +} + +void ImageLabel::smoothScale(int w, int h) +{ + doScale = !(w == realpixmap.width() && h == realpixmap.height()); + + scale_w = w; + scale_h = h; + + applyTransformations(true); + +// double widthFactor = ((double)w) / ((double)realpixmap.width()); +// double heightFactor = ((double)h) / ((double)realpixmap.height()); + +// pixmap.convertFromImage(realpixmap.convertToImage().smoothScale(w, h)); + +// setWidth(pixmap.width()); +// setHeight(pixmap.height()); + +} + +void ImageLabel::removeImageTransformations() +{ + doScale = false; + doRotate = false; + + scale_w = 1; + scale_h = 1; + rot_angle = 0; + pixmap = realpixmap; +} + +void ImageLabel::applyTransformations(bool useSmoothScale) +{ + pixmap = realpixmap; + if (doRotate) + { + // KDE and QT seem to miss a high quality image rotation + QWMatrix rotMat; + rotMat.rotate(rot_angle); + pixmap = pixmap.xForm(rotMat); + } + if (doScale) + { + if (m_karamba -> useSmoothTransforms() || useSmoothScale) + { + pixmap.convertFromImage( + pixmap.convertToImage().smoothScale(scale_w, scale_h)); + } + else + { + double widthFactor = ((double)scale_w) / ((double)pixmap.width()); + double heightFactor = ((double)scale_h) / ((double)pixmap.height()); + QWMatrix scaleMat; + scaleMat.scale(widthFactor, heightFactor); + pixmap = pixmap.xForm(scaleMat); + } + } + if (imageEffect != 0) + { + pixmap = imageEffect -> apply(pixmap); + } + setWidth(pixmap.width()); + setHeight(pixmap.height()); +} + +void ImageLabel::slotCopyResult(KIO::Job* job) +{ + QString tempFile = ((KIO::FileCopyJob*)job)->destURL().path(); + if(job->error() == 0) + { + setValue(tempFile); + imagePath = ((KIO::FileCopyJob*)job)->srcURL().path(); + emit pixmapLoaded(); + } + else + { + qWarning("Error downloading (%s): %s", job->errorText().ascii(), + tempFile.ascii()); + } + KIO::NetAccess::removeTempFile(tempFile); +} + +void ImageLabel::setValue(QString fn) +{ + // use the first line + QStringList sList = QStringList::split( "\n", fn ); + QString fileName = *sList.begin(); + KURL url(fileName); + QRegExp rx("^[a-zA-Z]{1,5}:/",false); + bool protocol = (rx.search(fileName)!=-1)?true:false; + QPixmap pm; + + if(protocol && url.isLocalFile() == false) + { + KTempFile tmpFile; + KIO::FileCopyJob* copy = KIO::file_copy(fileName, tmpFile.name(), 0600, + true, false, false); + connect(copy, SIGNAL(result(KIO::Job*)), + this, SLOT(slotCopyResult(KIO::Job*))); + return; + } + else + { + if(m_karamba->theme().isThemeFile(fileName)) + { + QByteArray ba = m_karamba->theme().readThemeFile(fileName); + pm.loadFromData(ba); + } + else + { + pm.load(fileName); + } + imagePath = fileName; + } + setValue(pm); +} + +//Matthew Kay: a new version of setValue to be used by createTaskIcon() +/** + * set the internal pixmap of this image to the given QPixmap pix + */ +void ImageLabel::setValue(QPixmap& pix) +{ + realpixmap = KPixmap(pix); + pixmap = realpixmap; + setWidth(pixmap.width()); + setHeight(pixmap.height()); + + pixmapWidth = pixmap.width(); + pixmapHeight = pixmap.height(); + rect_off = QRect(getX(),getY(),pixmapWidth,pixmapHeight); +} + +void ImageLabel::mUpdate(QPainter* p, int backgroundUpdate) +{ + if (backgroundUpdate == 1) + { + //only draw image if not hidden + if (hidden == 0) + { + if (cblend == 0) + //draw the pixmap + p->drawPixmap(getX(),getY(),pixmap); + else + { + //Blend this image with a color + + QImage image = pixmap.convertToImage(); + + QImage result = KImageEffect::blend(QColor(255,0,0), image, 0.5f); + p->drawImage(getX(),getY(),result); + + //p->drawRect(boundingBox); + } + } + // start Timer + if (imageEffect != 0) + { + imageEffect -> startTimer(); + } + } +} + +void ImageLabel::mUpdate(QPainter* p) +{ + //only draw image if not hidden + if (hidden == 0 && background == 0) + { + if (cblend == 0) + { + //draw the pixmap + p->drawPixmap(getX(),getY(),pixmap); + } + else + { + //Blend this image with a color + + QImage image = pixmap.convertToImage(); + + QImage result = KImageEffect::blend(QColor(255,0,0), image, 0.5f); + p->drawImage(getX(),getY(),result); + + //p->drawRect(boundingBox); + } + } + // start Timer + if (imageEffect != 0) + { + imageEffect -> startTimer(); + } +} + +bool ImageLabel::click(QMouseEvent* e) +{ + if (getBoundingBox().contains(e -> x(), e -> y()) && isEnabled()) + { + QString program; + if (e -> button() == Qt::LeftButton) + { + program = leftButtonAction; + } + else if (e -> button() == Qt::MidButton) + { + program = middleButtonAction; + } + else if (e -> button() == Qt::RightButton) + { + program = rightButtonAction; + } + + if( !program.isEmpty() ) + { + KRun::runCommand(program); + } + else + { + return true; + } + } + return false; +} + +void ImageLabel::parseImages(QString fn, QString fn_roll, int _xoff, + int _yoff, int _xon, int _yon) +{ + //fn = filename; + //fn_roll = filename_roll; + + xoff = _xoff; + yoff = _yoff; + xon = _xon; + yon = _yon; + + // use the first line + QStringList sList = QStringList::split( "\n", fn ); + QString fileName = *sList.begin(); + QFileInfo fileInfo( fileName ); + QString path; + + QRegExp rx("^http://",false); + bool fileOnNet = (rx.search(fileName)!=-1)?true:false; + + + if( fileInfo.isRelative() && !fileOnNet ) + { + path = m_karamba->theme().path() + "/" + fileName; + } + else + { + path = fileName; + } + + if ( fileOnNet ) + { + QString tmpFile; +#if defined(KDE_3_2) + if(KIO::NetAccess::download(KURL(path), tmpFile, karambaApp->parentWindow())) +#else + if(KIO::NetAccess::download(KURL(path), tmpFile)) +#endif + { + pixmap_off = KPixmap(tmpFile); + KIO::NetAccess::removeTempFile(tmpFile); + qDebug( "Downloaded: %s to %s", path.ascii(), tmpFile.ascii() ); + } + else + { + qDebug( "Error Downloading: %s", path.ascii()); + } + } + else + { + pixmap_off = KPixmap( path ); + } + + pixmapOffWidth = pixmap.width(); + pixmapOffHeight = pixmap.height(); + + rect_off = QRect(xoff,yoff,pixmapWidth,pixmapHeight); +///////////////////////////// + if (fn_roll.isEmpty()) + return; + + rollover=true; + sList = QStringList::split( "\n", fn_roll ); + fileName = *sList.begin(); + fileInfo = QFileInfo( fileName ); + + fileOnNet = (rx.search(fileName)!=-1)?true:false; + + + if( fileInfo.isRelative() && !fileOnNet ) + { + path = m_karamba->theme().path() + "/" + fileName; + } + else + { + path = fileName; + } + + if ( fileOnNet ) + { + QString tmpFile; +#if defined(KDE_3_2) + if(KIO::NetAccess::download(KURL(path), tmpFile, karambaApp->parentWindow())) +#else + if(KIO::NetAccess::download(KURL(path), tmpFile)) +#endif + { + pixmap_on = KPixmap(tmpFile); + KIO::NetAccess::removeTempFile(tmpFile); + qDebug( "Downloaded: %s to %s", path.ascii(), tmpFile.ascii()); + } + else + { + qDebug( "Error Downloading: %s", path.ascii()); + } + } + else + { + pixmap_on = KPixmap( path ); + } + pixmapOnWidth = pixmap_on.width(); + pixmapOnHeight = pixmap_on.height(); + + rect_on = QRect(xon,yon,pixmapOnWidth,pixmapOnHeight); +} + +void ImageLabel::setBackground(int b) +{ + background = b; +} + +void ImageLabel::rolloverImage(QMouseEvent *e) +{ + if (!rollover) + return; + + if (zoomed) + { + if (!rect_off.contains(e->pos())) + { + // rollover the image to the zoomed image + //setValue(fn_roll); + setX(xoff); + setY(yoff); + pixmap = pixmap_off; + pixmapWidth = pixmapOffWidth; + pixmapHeight = pixmapOffHeight; + zoomed = false; + m_karamba->step(); + } + } + else + { + if (rect_off.contains(e->pos())) + { + // rollover the image to the zoomed image + //setValue(fn_roll); + setX(xon); + setY(yon); + pixmap = pixmap_on; + pixmapWidth = pixmapOnWidth; + pixmapHeight = pixmapOnHeight; + zoomed = true; + m_karamba->step(); + } + } +} + +void ImageLabel::setTooltip(QString txt) +{ + QRect rect(getX(),getY(),pixmapWidth,pixmapHeight); + QToolTip::add(m_karamba, rect, txt); + old_tip_rect = QRect(rect.topLeft(), rect.bottomRight()); +} + + +void ImageLabel::removeEffects() +{ + if (imageEffect != 0) + { + delete imageEffect; + imageEffect = 0; + } + applyTransformations(); +} + +void ImageLabel::intensity(float ratio, int millisec) +{ + if (imageEffect != 0) + { + delete imageEffect; + imageEffect = 0; + } + //KPixmapEffect::intensity(pixmap, ratio); + imageEffect = new Intensity(this, ratio, millisec); + applyTransformations(); +} + +void ImageLabel::channelIntensity(float ratio, QString channel, int millisec) +{ + if (imageEffect != 0) + { + delete imageEffect; + imageEffect = 0; + } + //KPixmapEffect::channelIntensity(pixmap, ratio, rgbChannel); + imageEffect = new ChannelIntensity(this, ratio, channel, millisec); + applyTransformations(); +} + +void ImageLabel::toGray(int millisec) +{ + if (imageEffect != 0) + { + delete imageEffect; + imageEffect = 0; + } + //KPixmapEffect::toGray(pixmap); + imageEffect = new ToGray(this, millisec); + applyTransformations(); +} + +void ImageLabel::slotEffectExpired() +{ + removeEffects(); + m_karamba -> externalStep(); +} + +void ImageLabel::attachClickArea(QString leftMouseButton, + QString middleMouseButton, + QString rightMouseButton) +{ + leftButtonAction = leftMouseButton; + middleButtonAction = middleMouseButton; + rightButtonAction = rightMouseButton; +} + +#include "imagelabel.moc" |