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 /* This file is part of the KDE project
    Copyright (C) 2009 Thorsten Zachmann <zachmann@kde.org>
    Copyright (C) 2011 Jan Hambrecht <jaham@gmx.net>
    Copyright (C) 2011 Lukáš Tvrdý <lukas.tvrdy@ixonos.com>
 
    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.
 */
 
 #ifndef KOODFWORKAROUND_H
 #define KOODFWORKAROUND_H
 
 #include "flake_export.h"
 #include "KoTextShapeDataBase.h"
 #include <qnamespace.h>
 
 #include <QSharedPointer>
 
 class KoXmlElement;
 class KoShape;
 class KoShapeLoadingContext;
 class QPen;
 class QColor;
 class QString;
 class KoColorBackground;
 
 /**
  * This class should contain all workarounds to correct problems with different ODF
  * implementations. If you need to access application specific things please create a
  * new namespace in the application you need it in
  * All calls to methods of this class should be wrapped into ifndefs like e.g.
  *
  * @code
  * #ifndef NWORKAROUND_ODF_BUGS
  *     KoOdfWorkaround::fixPenWidth(pen, context);
  * #endif
  * @endcode
  */
 namespace KoOdfWorkaround
 {
     /**
      * OpenOffice rotates counterclockwize while odf/svg spec says clockwize,
      * and OO also uses 'rad' as default unit while odf specifies 'deg'.
      * See https://bugs.documentfoundation.org/show_bug.cgi?id=48342
      */
     FLAKE_EXPORT void fixRotate(QStringList &params, KoShapeLoadingContext &context);
 
     /**
      * OpenOffice skews counterclockwize while odf/svg spec says clockwize,
      * and OO also uses 'rad' as default unit while odf specifies 'deg'.
      */
     FLAKE_EXPORT void fixSkew(QStringList &params, KoShapeLoadingContext &context);
 
     /**
      * OpenOffice handles a line with the width of 0 as a cosmetic line but in svg it makes the line invisible.
      * To show it in calligra use a very small line width. However this is not a cosmetic line.
      */
     FLAKE_EXPORT void fixPenWidth(QPen &pen, KoShapeLoadingContext &context);
 
     /**
      * OpenOffice < 3.0 does not store the draw:enhanced-path for draw:type="ellipse"
      * Add the path needed for the ellipse
      */
     FLAKE_EXPORT void fixEnhancedPath(QString &path, const KoXmlElement &element, KoShapeLoadingContext &context);
 
     /**
      * OpenOffice interchanges the position coordinates for polar handles.
      * According to the specification the first coordinate is the angle, the
      * second coordinates is the radius. OpenOffice does it the other way around.
      */
     FLAKE_EXPORT void fixEnhancedPathPolarHandlePosition(QString &position, const KoXmlElement &element, KoShapeLoadingContext &context);
 
     FLAKE_EXPORT bool   fixMissingStroke(QPen &pen, const KoXmlElement &element, KoShapeLoadingContext &context, const KoShape *shape = 0);
     FLAKE_EXPORT QColor fixMissingFillColor(const KoXmlElement &element, KoShapeLoadingContext &context);
     FLAKE_EXPORT bool   fixMissingStyle_DisplayLabel(const KoXmlElement &element, KoShapeLoadingContext &context);
 
     FLAKE_EXPORT QSharedPointer<KoColorBackground> fixBackgroundColor(const KoShape *shape, KoShapeLoadingContext &context);
 
     /**
      * Old versions of ooimpress does not set the placeholder for shapes that should have it set
      * See open office issue http://www.openoffice.org/issues/show_bug.cgi?id=96406
      * And kde bug https://bugs.kde.org/show_bug.cgi?id=185354
      */
     FLAKE_EXPORT void setFixPresentationPlaceholder(bool fix, KoShapeLoadingContext &context);
     FLAKE_EXPORT bool fixPresentationPlaceholder();
     FLAKE_EXPORT void fixPresentationPlaceholder(KoShape *shape);
 
     /**
      * OpenOffice and LibreOffice save gluepoint positions wrong when no align is specified.
      * According to the specification for the above situation, the position should be saved
      * as percent values relative to the shapes center point. OpenOffice seems to write
      * these percent values converted to length units, where the millimeter value corresponds
      * to the correct percent value (i.e. -5cm = -50mm = -50%).
      */
     FLAKE_EXPORT void fixGluePointPosition(QString &positionString, KoShapeLoadingContext &context);
 
     /**
      * OpenOffice and LibreOffice does not conform to the specification about default value
      * of the svg:fill-rule. If this attribute is missing, according the spec, the initial
      * value is nonzero, but OOo uses evenodd. Because we are conform to the spec, we need
      * to set what OOo display.
      * See http://www.w3.org/TR/SVG/painting.html#FillRuleProperty
      */
     FLAKE_EXPORT void fixMissingFillRule(Qt::FillRule &fillRule, KoShapeLoadingContext &context);
 
     /**
      * OpenOffice resizes text shapes with autogrow in both directions. If the text box is saved to 
      * small the text will not fit and it needs to be adjusted during the first layout.
      * This methods returns true if we need to adjust the layout. The adjusting is handled at a different place.
      */
     FLAKE_EXPORT bool fixAutoGrow(KoTextShapeDataBase::ResizeMethod method, KoShapeLoadingContext &context);
 
     /**
      * OpenOffice and LibreOffice do not set the svg:width, svg:height, svg:x and svg:y correctly when saving
      * parts of draw:ellipses or draw:circle
      * This method returns true when the width, height, x and y is given for the full circle
      */
     FLAKE_EXPORT bool fixEllipse(const QString &kind, KoShapeLoadingContext &context);
 
     /**
      * Calligra did use the bad strings "Formula.hidden" and "protected Formula.hidden" as values
      * for style:cell-protect, instead of "formula-hidden" and "protected formula-hidden".
      * This method fixes the bad strings to the correct ones.
      */
     FLAKE_EXPORT void fixBadFormulaHiddenForStyleCellProtect(QString &value);
 
     /**
      * Calligra used to store text:time-value with a "0-00-00T" prefix
      * This method removes that prefix.
      */
     FLAKE_EXPORT void fixBadDateForTextTime(QString &value);
 
     /**
      * OpenOffice.org used to write the "rect(...)" value for fo:clip without
      * separating the 4 offset values by commas.
      * This method changes the string with the offset values to have commas as separators.
      */
     FLAKE_EXPORT void fixClipRectOffsetValuesString(QString &offsetValuesString);
 
     /**
      * LibreOffice used to write text:style-name attribute for table:table-template element,
      * which is not a valid attribute for the element.
      */
     FLAKE_EXPORT QString fixTableTemplateName(const KoXmlElement &e);
 
     /**
      * LibreOffice used to write text:style-name attribute for
      * table:first-row, table:last-row, table:first-column,
      * table:last-column, table:odd-rows, table:odd-columns,
      * table:body elements, which is not a valid attribute for the element.
      */
     FLAKE_EXPORT QString fixTableTemplateCellStyleName(const KoXmlElement &e);
 
     /**
      * LibreOffice used to have a bug with handling of z command in svg path.
      * This resulted in broken marker path used (and copied also to Calligra).
      * This methods substitutes known old marker paths with the latest (fixed)
      * path variant.
      */
     FLAKE_EXPORT void fixMarkerPath(QString &path);
 }
 
 #endif /* KOODFWORKAROUND_H */