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Diffstat (limited to 'lib/kofficecore/KoPictureWmf.cpp')
-rw-r--r-- | lib/kofficecore/KoPictureWmf.cpp | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/lib/kofficecore/KoPictureWmf.cpp b/lib/kofficecore/KoPictureWmf.cpp new file mode 100644 index 00000000..96872af7 --- /dev/null +++ b/lib/kofficecore/KoPictureWmf.cpp @@ -0,0 +1,137 @@ +/* This file is part of the KDE project + Copyright (c) 2001 Simon Hausmann <hausmann@kde.org> + Copyright (c) 2001 David Faure <faure@kde.org> + Copyright (C) 2002 Nicolas GOUTTE <goutte@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 <qbuffer.h> +#include <qpainter.h> +#include <qpicture.h> +#include <qpixmap.h> + +#include <kdebug.h> +#include <kdeversion.h> +#if ! KDE_IS_VERSION( 3,1,90 ) +#include <kdebugclasses.h> +#endif + +#include <kowmfpaint.h> +#include "KoPictureKey.h" +#include "KoPictureBase.h" +#include "KoPictureWmf.h" + +KoPictureWmf::KoPictureWmf(void) : m_clipart(KoPictureType::formatVersionQPicture) +{ +} + +KoPictureWmf::~KoPictureWmf(void) +{ +} + +KoPictureBase* KoPictureWmf::newCopy(void) const +{ + return new KoPictureWmf(*this); +} + +KoPictureType::Type KoPictureWmf::getType(void) const +{ + return KoPictureType::TypeWmf; +} + +bool KoPictureWmf::isNull(void) const +{ + return m_clipart.isNull(); +} + +void KoPictureWmf::drawQPicture(QPicture& clipart, QPainter& painter, + int x, int y, int width, int height, int sx, int sy, int sw, int sh) +{ + kdDebug(30003) << "Drawing KoPictureWmf " << this << endl; + kdDebug(30003) << " x=" << x << " y=" << y << " width=" << width << " height=" << height << endl; + kdDebug(30003) << " sx=" << sx << " sy=" << sy << " sw=" << sw << " sh=" << sh << endl; + painter.save(); + // Thanks to Harri, Qt3 makes it much easier than Qt2 ;) + QRect br = clipart.boundingRect(); + kdDebug(30003) << " Bounding rect. " << br << endl; + + painter.translate(x,y); // Translating must be done before scaling! + if ( br.width() && br.height() ) + painter.scale(double(width)/double(br.width()),double(height)/double(br.height())); + else + kdWarning(30003) << "Null bounding rectangle: " << br.width() << " x " << br.height() << endl; + painter.drawPicture(0,0,clipart); + painter.restore(); +} + +void KoPictureWmf::draw(QPainter& painter, int x, int y, int width, int height, int sx, int sy, int sw, int sh, bool /*fastMode*/) +{ + drawQPicture(m_clipart, painter, x, y, width, height, sx, sy, sw, sh); +} + +bool KoPictureWmf::loadData(const QByteArray& array, const QString& /* extension */) +{ + // Second, create the original clipart + kdDebug(30003) << "Trying to load clipart... (Size:" << array.size() << ")" << endl; + m_rawData=array; + + KoWmfPaint wmf; + if (!wmf.load(array)) + { + kdWarning(30003) << "Loading WMF has failed! (KoPictureWmf::load)" << endl; + return false; + } + m_originalSize = wmf.boundingRect().size(); + // draw wmf file with relative coordinate + wmf.play(m_clipart, true); + + return true; +} + +bool KoPictureWmf::save(QIODevice* io) const +{ + // We save the raw data, as the SVG supposrt in QPicture is poor + Q_ULONG size=io->writeBlock(m_rawData); // WARNING: writeBlock returns Q_LONG but size() Q_ULONG! + return (size==m_rawData.size()); +} + +QSize KoPictureWmf::getOriginalSize(void) const +{ + return m_originalSize; +} + +QPixmap KoPictureWmf::generatePixmap(const QSize& size, bool /*smoothScale*/) +{ + // Not sure if it works, but it worked for KoPictureFilePreviewWidget::setClipart + QPixmap pixmap(size); + QPainter p; + + p.begin( &pixmap ); + p.setBackgroundColor( Qt::white ); + pixmap.fill( Qt::white ); + + if ( m_originalSize.width() && m_originalSize.height() ) + p.scale( (double)pixmap.width() / (double)m_originalSize.width(), (double)pixmap.height() / (double)m_originalSize.height() ); + p.drawPicture( m_clipart ); + p.end(); + return pixmap; +} + +QString KoPictureWmf::getMimeType(const QString& /* extension */) const +{ + return "image/x-wmf"; +} |