libs/flake/KoOdfGradientBackground.h

0001 /* This file is part of the KDE project
0002  *
0003  * Copyright (C) 2011 Lukáš Tvrdý <lukas.tvrdy@ixonos.com>
0004  *
0005  * This library is free software; you can redistribute it and/or
0006  * modify it under the terms of the GNU Library General Public
0007  * License as published by the Free Software Foundation; either
0008  * version 2 of the License, or (at your option) any later version.
0009  *
0010  * This library is distributed in the hope that it will be useful,
0011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0013  * Library General Public License for more details.
0014  *
0015  * You should have received a copy of the GNU Library General Public License
0016  * along with this library; see the file COPYING.LIB.  If not, write to
0017  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0018  * Boston, MA 02110-1301, USA.
0019  */
0020
0021 #ifndef KOODFGRADIENTBACKGROUND_H
0022 #define KOODFGRADIENTBACKGROUND_H
0023
0024 #include "KoShapeBackground.h"
0025 #include "flake_export.h"
0026
0027 class QImage;
0028
0029 class KoOdfGradientBackgroundPrivate;
0030 class KoXmlElement;
0031 class KoGenStyles;
0032 class KoGenStyle;
0033
0034 /// Gradients from odf that are not native to Qt
0035 class FLAKE_EXPORT KoOdfGradientBackground : public KoShapeBackground {
0036 public:
0037     // constructor
0038     KoOdfGradientBackground();
0039     // destructor
0040     ~KoOdfGradientBackground() override;
0041
0042     /// reimplemented from KoShapeBackground
0043     void fillStyle(KoGenStyle& style, KoShapeSavingContext& context) override;
0044     /// reimplemented from KoShapeBackground
0045     bool loadStyle(KoOdfLoadingContext& context, const QSizeF& shapeSize) override;
0046     /// reimplemented from KoShapeBackground
0047     void paint(QPainter& painter, const KoViewConverter &converter, KoShapePaintingContext &context, const QPainterPath& fillPath) const override;
0048
0049 private:
0050     bool loadOdf(const KoXmlElement &element);
0051     void saveOdf(KoGenStyle& styleFill, KoGenStyles& mainStyles) const;
0052
0053     void renderSquareGradient(QImage &buffer) const;
0054     void renderRectangleGradient(QImage &buffer) const;
0055
0056 private:
0057     void debug() const;
0058
0059 private:
0060     Q_DECLARE_PRIVATE(KoOdfGradientBackground)
0061     Q_DISABLE_COPY(KoOdfGradientBackground)
0062 };
0063
0064 #endif