diff options
Diffstat (limited to 'kioslave/thumbnail/thumbnail.cpp')
| -rw-r--r-- | kioslave/thumbnail/thumbnail.cpp | 440 |
1 files changed, 0 insertions, 440 deletions
diff --git a/kioslave/thumbnail/thumbnail.cpp b/kioslave/thumbnail/thumbnail.cpp deleted file mode 100644 index 3dbd5b4a3..000000000 --- a/kioslave/thumbnail/thumbnail.cpp +++ /dev/null @@ -1,440 +0,0 @@ -/* This file is part of the KDE libraries - Copyright (C) 2000 Malte Starostik <malte@kde.org> - 2000 Carsten Pfeiffer <pfeiffer@kde.org> - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with this library; see the file COPYING.LIB. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. -*/ - -#include <stdlib.h> -#include <unistd.h> -#ifdef __FreeBSD__ - #include <machine/param.h> -#endif -#include <sys/types.h> -#include <sys/ipc.h> -#include <sys/shm.h> - -#include <tqfile.h> -#include <tqbitmap.h> -#include <tqpixmap.h> -#include <tqpainter.h> -#include <tqimage.h> -#include <tqbuffer.h> - -#include <kdatastream.h> // Do not remove, needed for correct bool serialization -#include <kurl.h> -#include <kapplication.h> -#include <kglobal.h> -#include <kiconloader.h> -#include <kimageeffect.h> -#include <kmimetype.h> -#include <klibloader.h> -#include <kdebug.h> -#include <kservice.h> -#include <kservicetype.h> -#include <kuserprofile.h> -#include <kfilemetainfo.h> -#include <klocale.h> - -#include <config.h> // For HAVE_NICE -#include "thumbnail.h" -#include <kio/thumbcreator.h> - -// Use correctly TDEInstance instead of TDEApplication (but then no TQPixmap) -#undef USE_KINSTANCE -// Fix thumbnail: protocol -#define THUMBNAIL_HACK (1) - -#ifdef THUMBNAIL_HACK -# include <tqfileinfo.h> -# include <ktrader.h> -#endif - -// Recognized metadata entries: -// mimeType - the mime type of the file, used for the overlay icon if any -// width - maximum width for the thumbnail -// height - maximum height for the thumbnail -// iconSize - the size of the overlay icon to use if any -// iconAlpha - the transparency value used for icon overlays -// plugin - the name of the plugin library to be used for thumbnail creation. -// Provided by the application to save an addition KTrader -// query here. -// shmid - the shared memory segment id to write the image's data to. -// The segment is assumed to provide enough space for a 32-bit -// image sized width x height pixels. -// If this is given, the data returned by the slave will be: -// int width -// int height -// int depth -// Otherwise, the data returned is the image in PNG format. - -using namespace TDEIO; - -extern "C" -{ - KDE_EXPORT int kdemain(int argc, char **argv); -} - - -int kdemain(int argc, char **argv) -{ -#ifdef HAVE_NICE - nice( 5 ); -#endif - -#ifdef USE_KINSTANCE - TDEInstance instance("kio_thumbnail"); -#else - // creating TDEApplication in a slave in not a very good idea, - // as dispatchLoop() doesn't allow it to process its messages, - // so it for example wouldn't reply to ksmserver - on the other - // hand, this slave uses QPixmaps for some reason, and they - // need QApplication - // and HTML previews need even TDEApplication :( - putenv(strdup("SESSION_MANAGER=")); - TDEApplication::disableAutoDcopRegistration(); - - TDEApplication app(argc, argv, "kio_thumbnail", false, true); -#endif - - if (argc != 4) - { - kdError(7115) << "Usage: kio_thumbnail protocol domain-socket1 domain-socket2" << endl; - exit(-1); - } - - ThumbnailProtocol slave(argv[2], argv[3]); - slave.dispatchLoop(); - - return 0; -} - -ThumbnailProtocol::ThumbnailProtocol(const TQCString &pool, const TQCString &app) - : SlaveBase("thumbnail", pool, app) -{ - m_creators.setAutoDelete(true); - m_iconDict.setAutoDelete(true); - m_iconSize = 0; -} - -ThumbnailProtocol::~ThumbnailProtocol() -{ -} - -void ThumbnailProtocol::get(const KURL &url) -{ - m_mimeType = metaData("mimeType"); - kdDebug(7115) << "Wanting MIME Type:" << m_mimeType << endl; -#ifdef THUMBNAIL_HACK - // ### HACK - bool direct=false; - if (m_mimeType.isEmpty()) - { - kdDebug(7115) << "PATH: " << url.path() << endl; - TQFileInfo info(url.path()); - if (info.isDir()) - { - // We cannot process a directory - error(TDEIO::ERR_IS_DIRECTORY,url.path()); - return; - } - else if (!info.exists()) - { - // The file does not exist - error(TDEIO::ERR_DOES_NOT_EXIST,url.path()); - return; - } - else if (!info.isReadable()) - { - // The file is not readable! - error(TDEIO::ERR_COULD_NOT_READ,url.path()); - return; - } - m_mimeType = KMimeType::findByURL(url)->name(); - kdDebug(7115) << "Guessing MIME Type:" << m_mimeType << endl; - direct=true; // thumbnail: was probably called from Konqueror - } -#endif - - if (m_mimeType.isEmpty()) - { - error(TDEIO::ERR_INTERNAL, i18n("No MIME Type specified.")); - return; - } - - m_width = metaData("width").toInt(); - m_height = metaData("height").toInt(); - int iconSize = metaData("iconSize").toInt(); - - if (m_width < 0 || m_height < 0) - { - error(TDEIO::ERR_INTERNAL, i18n("No or invalid size specified.")); - return; - } -#ifdef THUMBNAIL_HACK - else if (!m_width || !m_height) - { - kdDebug(7115) << "Guessing height, width, icon sizre!" << endl; - m_width=128; - m_height=128; - iconSize=128; - } -#endif - - if (!iconSize) - iconSize = TDEGlobal::iconLoader()->currentSize(KIcon::Desktop); - if (iconSize != m_iconSize) - m_iconDict.clear(); - m_iconSize = iconSize; - - m_iconAlpha = metaData("iconAlpha").toInt(); - if (m_iconAlpha) - m_iconAlpha = (m_iconAlpha << 24) | 0xffffff; - - TQImage img; - - TDEConfigGroup group( TDEGlobal::config(), "PreviewSettings" ); - - - // ### KFMI - bool kfmiThumb = false; - if (group.readBoolEntry( "UseFileThumbnails", true )) { - KService::Ptr service = - KServiceTypeProfile::preferredService( m_mimeType, "KFilePlugin"); - - if ( service && service->isValid() && /*url.isLocalFile() && */ - service->property("SupportsThumbnail").toBool()) - { - KFileMetaInfo info(url.path(), m_mimeType, KFileMetaInfo::Thumbnail); - if (info.isValid()) - { - KFileMetaInfoItem item = info.item(KFileMimeTypeInfo::Thumbnail); - if (item.isValid() && item.value().type() == TQVariant::Image) - { - img = item.value().toImage(); - kdDebug(7115) << "using KFMI for the thumbnail\n"; - kfmiThumb = true; - } - } - } - } - ThumbCreator::Flags flags = ThumbCreator::None; - - if (!kfmiThumb) - { - kdDebug(7115) << "using thumb creator for the thumbnail\n"; - TQString plugin = metaData("plugin"); -#ifdef THUMBNAIL_HACK - if (plugin.isEmpty()) - { - KTrader::OfferList plugins = KTrader::self()->query("ThumbCreator"); - TQMap<TQString, KService::Ptr> mimeMap; - - for (KTrader::OfferList::ConstIterator it = plugins.begin(); it != plugins.end(); ++it) - { - TQStringList mimeTypes = (*it)->property("MimeTypes").toStringList(); - for (TQStringList::ConstIterator mt = mimeTypes.begin(); mt != mimeTypes.end(); ++mt) - { - if ((*mt)==m_mimeType) - { - plugin=(*it)->library(); - break; - } - } - if (!plugin.isEmpty()) - break; - } - } - kdDebug(7115) << "Guess plugin: " << plugin << endl; -#endif - if (plugin.isEmpty()) - { - error(TDEIO::ERR_INTERNAL, i18n("No plugin specified.")); - return; - } - - ThumbCreator *creator = m_creators[plugin]; - if (!creator) - { - // Don't use KLibFactory here, this is not a TQObject and - // neither is ThumbCreator - KLibrary *library = KLibLoader::self()->library(TQFile::encodeName(plugin)); - if (library) - { - newCreator create = (newCreator)library->symbol("new_creator"); - if (create) - creator = create(); - } - if (!creator) - { - error(TDEIO::ERR_INTERNAL, i18n("Cannot load ThumbCreator %1").arg(plugin)); - return; - } - m_creators.insert(plugin, creator); - } - - if (!creator->create(url.path(), m_width, m_height, img)) - { - error(TDEIO::ERR_INTERNAL, i18n("Cannot create thumbnail for %1").arg(url.path())); - return; - } - flags = creator->flags(); - } - - if (img.width() > m_width || img.height() > m_height) - { - double imgRatio = (double)img.height() / (double)img.width(); - if (imgRatio > (double)m_height / (double)m_width) - img = img.smoothScale( int(TQMAX((double)m_height / imgRatio, 1)), m_height); - else - img = img.smoothScale(m_width, int(TQMAX((double)m_width * imgRatio, 1))); - } - -// ### FIXME -#ifndef USE_KINSTANCE - if (flags & ThumbCreator::DrawFrame) - { - TQPixmap pix; - pix.convertFromImage(img); - int x2 = pix.width() - 1; - int y2 = pix.height() - 1; - // paint a black rectangle around the "page" - TQPainter p; - p.begin( &pix ); - p.setPen( TQColor( 48, 48, 48 )); - p.drawLine( x2, 0, x2, y2 ); - p.drawLine( 0, y2, x2, y2 ); - p.setPen( TQColor( 215, 215, 215 )); - p.drawLine( 0, 0, x2, 0 ); - p.drawLine( 0, 0, 0, y2 ); - p.end(); - - const TQBitmap *mask = pix.mask(); - if ( mask ) // need to update it so we can see the frame - { - TQBitmap bitmap( *mask ); - TQPainter painter; - painter.begin( &bitmap ); - painter.drawLine( x2, 0, x2, y2 ); - painter.drawLine( 0, y2, x2, y2 ); - painter.drawLine( 0, 0, x2, 0 ); - painter.drawLine( 0, 0, 0, y2 ); - painter.end(); - - pix.setMask( bitmap ); - } - - img = pix.convertToImage(); - } -#endif - - if ((flags & ThumbCreator::BlendIcon) && TDEGlobal::iconLoader()->alphaBlending(KIcon::Desktop)) - { - // blending the mimetype icon in - TQImage icon = getIcon(); - - int x = img.width() - icon.width() - 4; - x = QMAX( x, 0 ); - int y = img.height() - icon.height() - 6; - y = QMAX( y, 0 ); - KImageEffect::blendOnLower( x, y, icon, img ); - } - - if (img.isNull()) - { - error(TDEIO::ERR_INTERNAL, i18n("Failed to create a thumbnail.")); - return; - } - - const TQString shmid = metaData("shmid"); - if (shmid.isEmpty()) - { -#ifdef THUMBNAIL_HACK - if (direct) - { - // If thumbnail was called directly from Konqueror, then the image needs to be raw - //kdDebug(7115) << "RAW IMAGE TO STREAM" << endl; - TQBuffer buf; - if (!buf.open(IO_WriteOnly)) - { - error(TDEIO::ERR_INTERNAL, i18n("Could not write image.")); - return; - } - img.save(&buf,"PNG"); - buf.close(); - data(buf.buffer()); - } - else -#endif - { - TQByteArray imgData; - TQDataStream stream( imgData, IO_WriteOnly ); - //kdDebug(7115) << "IMAGE TO STREAM" << endl; - stream << img; - data(imgData); - } - } - else - { - TQByteArray imgData; - TQDataStream stream( imgData, IO_WriteOnly ); - //kdDebug(7115) << "IMAGE TO SHMID" << endl; - void *shmaddr = shmat(shmid.toInt(), 0, 0); - if (shmaddr == (void *)-1) - { - error(TDEIO::ERR_INTERNAL, i18n("Failed to attach to shared memory segment %1").arg(shmid)); - return; - } - if (img.width() * img.height() > m_width * m_height) - { - error(TDEIO::ERR_INTERNAL, i18n("Image is too big for the shared memory segment")); - shmdt((char*)shmaddr); - return; - } - if( img.depth() != 32 ) // TDEIO::PreviewJob and this code below completely - img = img.convertDepth( 32 ); // ignores colortable :-/, so make sure there is none - stream << img.width() << img.height() << img.depth() - << img.hasAlphaBuffer(); - memcpy(shmaddr, img.bits(), img.numBytes()); - shmdt((char*)shmaddr); - data(imgData); - } - finished(); -} - -const TQImage& ThumbnailProtocol::getIcon() -{ - TQImage* icon = m_iconDict.find(m_mimeType); - if ( !icon ) // generate it! - { - icon = new TQImage( KMimeType::mimeType(m_mimeType)->pixmap( KIcon::Desktop, m_iconSize ).convertToImage() ); - icon->setAlphaBuffer( true ); - - int w = icon->width(); - int h = icon->height(); - for ( int y = 0; y < h; y++ ) - { - QRgb *line = (QRgb *) icon->scanLine( y ); - for ( int x = 0; x < w; x++ ) - line[x] &= m_iconAlpha; // transparency - } - - m_iconDict.insert( m_mimeType, icon ); - } - - return *icon; -} - |