File indexing completed on 2025-11-30 14:29:58

 /* This file is part of the KDE project
  * Copyright (c) 2003 thierry lorthiois <lorthioist@wanadoo.fr>
  * Copyright (c) 2007 Jan Hambrecht <jaham@gmx.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License version 2 as published by the Free Software Foundation.
  *
  * 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.
 */
 #ifndef _WMFIMPORTPARSER_H_
 #define _WMFIMPORTPARSER_H_
 
 #include <WmfAbstractBackend.h>
 #include <QPainter>
 #include <QMatrix>
 
 class WmfDeviceContext;
 class KoXmlWriter;
 
 /**
  * WMFImportParser inherits WmfAbstractBackend and translates WMF functions
  */
 class WMFImportParser : public Libwmf::WmfAbstractBackend
 {
 public:
     explicit WMFImportParser(KoXmlWriter &svgWriter);
     ~WMFImportParser() override;
 
 private:
     // -------------------------------------------------------------------------
     // A virtual QPainter
     bool  begin(const QRect &boundingBox) override;
     bool  end() override;
     void  save() override;
     void  restore() override;
 
     // Drawing attributes/modes
     void  setCompositionMode(QPainter::CompositionMode) override;
 
     /**
      * Change logical Coordinate
      * some wmf files call those functions several times in the middle of a drawing
      * others wmf files doesn't call setWindow* at all
      * negative width and height are possible
      */
     void  setWindowOrg(int left, int top) override;
     void  setWindowExt(int width, int height) override;
     void  setViewportOrg(int left, int top) override;
     void  setViewportExt(int width, int height) override;
 
     // Clipping
     // the 'CoordinateMode' is omitted : always CoordPainter in wmf
     // setClipRegion() is often used with save() and restore() => implement all or none
     void  setClipRegion(Libwmf::WmfDeviceContext &context, const QRegion &rec);
     QRegion clipRegion();
 
     // Graphics drawing functions
     void  setPixel(Libwmf::WmfDeviceContext &context, int x, int y, const QColor &color) override;
     void  moveTo(Libwmf::WmfDeviceContext &context, int x, int y);
     void  lineTo(Libwmf::WmfDeviceContext &context, int x, int y) override;
     void  drawRect(Libwmf::WmfDeviceContext &context, int x, int y, int w, int h) override;
     void  drawRoundRect(Libwmf::WmfDeviceContext &context, int x, int y, int w, int h, int = 25, int = 25) override;
     void  drawEllipse(Libwmf::WmfDeviceContext &context, int x, int y, int w, int h) override;
     void  drawArc(Libwmf::WmfDeviceContext &context, int x, int y, int w, int h, int a, int alen) override;
     void  drawPie(Libwmf::WmfDeviceContext &context, int x, int y, int w, int h, int a, int alen) override;
     void  drawChord(Libwmf::WmfDeviceContext &context, int x, int y, int w, int h, int a, int alen) override;
     void  drawPolyline(Libwmf::WmfDeviceContext &context, const QPolygon &pa) override;
     void  drawPolygon(Libwmf::WmfDeviceContext &context, const QPolygon &pa) override;
     /**
      * drawPolyPolygon draw the XOR of a list of polygons
      * listPa : list of polygons
      */
     void  drawPolyPolygon(Libwmf::WmfDeviceContext &context, QList<QPolygon>& listPa) override;
     void  drawImage(Libwmf::WmfDeviceContext &context, int x, int y, const QImage &,
                     int sx = 0, int sy = 0, int sw = -1, int sh = -1) override;
     void  patBlt(Libwmf::WmfDeviceContext &context, int x, int y, int width, int height,
                  quint32 rasterOperation) override;
 
     // Text drawing
     // rotation = the degrees of rotation in counterclockwise
     // not yet implemented in KWinMetaFile
     void  drawText(Libwmf::WmfDeviceContext &context, int x, int y, const QString &s) override;
 
     // matrix transformation : only used in some bitmap manipulation
     void  setMatrix(Libwmf::WmfDeviceContext &context, const QMatrix &matrix, bool combine = false) override;
 
     //-----------------------------------------------------------------------------
     // Utilities
     // Add pen, brush and points to a path
     QString saveStroke(Libwmf::WmfDeviceContext &context);
     QString saveFill(Libwmf::WmfDeviceContext &context);
 
     // coordinate transformation
     QRectF boundBox(int left, int top, int width, int height);
     QPointF coord(const QPoint &p);
     QSizeF size(const QSize &s);
 
 private:
     void updateTransform();
 
     KoXmlWriter &m_svgWriter;
 
     QSizeF m_pageSize;
 
     struct CoordData {
         CoordData() : org(0,0), ext(0,0), extIsValid(false) {}
         QPointF org;
         QSizeF ext;
         bool extIsValid;
     };
 
     CoordData m_window;
     CoordData m_viewport;
     qreal m_scaleX;
     qreal m_scaleY;
     QMatrix m_matrix;
 };
 
 #endif // _WMFIMPORTPARSER_H_