Add export to animated GIF, wrt GH-9

3rdparty/QtGifImage/include/gifimage/qgifimage.h

@@ -0,0 +1,89 @@
+/****************************************************************************
+** Copyright (c) 2013 Debao Zhang <hello@debao.me>
+** All right reserved.
+**
+** Permission is hereby granted, free of charge, to any person obtaining
+** a copy of this software and associated documentation files (the
+** "Software"), to deal in the Software without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Software, and to
+** permit persons to whom the Software is furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be
+** included in all copies or substantial portions of the Software.
+**
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+**
+****************************************************************************/
+#ifndef GIF_IMAGE_Q_GIF_IMAGE_H_
+#define GIF_IMAGE_Q_GIF_IMAGE_H_
+
+#include <gifimage/qgifglobal.h>
+
+#include <QList>
+#include <QImage>
+#include <QColor>
+#include <QVector>
+
+class QGifImagePrivate;
+
+class QGifImage {
+  Q_DECLARE_PRIVATE(QGifImage)
+
+public:
+  QGifImage();
+  explicit QGifImage(const QString &fileName);
+  explicit QGifImage(const QSize &size);
+
+  ~QGifImage();
+
+public:
+  QVector<QRgb> globalColorTable() const;
+  QColor backgroundColor() const;
+
+  void setGlobalColorTable(const QVector<QRgb> &colors, const QColor &bgColor = QColor());
+  int defaultDelay() const;
+
+  void setDefaultDelay(int internal);
+  QColor defaultTransparentColor() const;
+  void setDefaultTransparentColor(const QColor &color);
+
+  int loopCount() const;
+  void setLoopCount(int loop);
+
+  int frameCount() const;
+  QImage frame(int index) const;
+
+  void addFrame(const QImage &frame, int delay = -1);
+  void addFrame(const QImage &frame, const QPoint &offset, int delay = -1);
+
+  void insertFrame(int index, const QImage &frame, int delay = -1);
+  void insertFrame(int index, const QImage &frame, const QPoint &offset, int delay = -1);
+
+  QPoint frameOffset(int index) const;
+  void setFrameOffset(int index, const QPoint &offset);
+
+  int frameDelay(int index) const;
+  void setFrameDelay(int index, int delay);
+
+  QColor frameTransparentColor(int index) const;
+  void setFrameTransparentColor(int index, const QColor &color);
+
+  bool load(QIODevice *device);
+  bool load(const QString &fileName);
+
+  bool save(QIODevice *device) const;
+  bool save(const QString &fileName) const;
+
+private:
+  QGifImagePrivate *const d_ptr;
+};
+
+#endif // GIF_IMAGE_Q_GIF_IMAGE_H_