#include "wx/defs.h"
-#if wxUSE_STREAMS && wxUSE_GIF
+#if wxUSE_STREAMS
#include "wx/colour.h"
#include "wx/gdicmn.h"
-class WXDLLIMPEXP_BASE wxInputStream;
-class WXDLLIMPEXP_CORE wxImage;
+class WXDLLIMPEXP_FWD_BASE wxInputStream;
+class WXDLLIMPEXP_FWD_CORE wxImage;
/*
class WXDLLEXPORT wxAnimationDecoder : public wxObjectRefData
{
-protected:
- wxSize m_szAnimation;
- size_t m_nFrames;
+public:
+ wxAnimationDecoder()
+ {
+ m_background = wxNullColour;
+ m_nFrames = 0;
+ }
+ virtual ~wxAnimationDecoder() { }
+
+
+ virtual bool Load( wxInputStream& stream ) = 0;
+ virtual bool CanRead( wxInputStream& stream ) const = 0;
+
+ virtual wxAnimationDecoder *Clone() const = 0;
+ virtual wxAnimationType GetType() const = 0;
+
+ // convert given frame to wxImage
+ virtual bool ConvertToImage(unsigned int frame, wxImage *image) const = 0;
- // this is the colour to use for the wxANIM_TOBACKGROUND disposal.
- // if not specified by the animation, it's set to wxNullColour
- wxColour m_background;
-public: // frame specific data getters
+ // frame specific data getters
// not all frames may be of the same size; e.g. GIF allows to
// specify that between two frames only a smaller portion of the
// entire animation has changed.
- virtual wxSize GetFrameSize(size_t frame) const = 0;
+ virtual wxSize GetFrameSize(unsigned int frame) const = 0;
// the position of this frame in case it's not as big as m_szAnimation
// or wxPoint(0,0) otherwise.
- virtual wxPoint GetFramePosition(size_t frame) const = 0;
+ virtual wxPoint GetFramePosition(unsigned int frame) const = 0;
// what should be done after displaying this frame.
- virtual wxAnimationDisposal GetDisposalMethod(size_t frame) const = 0;
+ virtual wxAnimationDisposal GetDisposalMethod(unsigned int frame) const = 0;
// the number of milliseconds this frame should be displayed.
// if returns -1 then the frame must be displayed forever.
- virtual long GetDelay(size_t frame) const = 0;
+ virtual long GetDelay(unsigned int frame) const = 0;
+
+ // the transparent colour for this frame if any or wxNullColour.
+ virtual wxColour GetTransparentColour(unsigned int frame) const = 0;
// get global data
wxSize GetAnimationSize() const { return m_szAnimation; }
wxColour GetBackgroundColour() const { return m_background; }
- size_t GetFrameCount() const { return m_nFrames; }
-
-public:
- wxAnimationDecoder()
- {
- m_background = wxNullColour;
- m_nFrames = 0;
- }
- ~wxAnimationDecoder() {}
-
-
- virtual bool Load( wxInputStream& stream ) = 0;
- virtual bool CanRead( wxInputStream& stream ) const = 0;
+ unsigned int GetFrameCount() const { return m_nFrames; }
- virtual wxAnimationDecoder *Clone() const = 0;
- virtual wxAnimationType GetType() const = 0;
+protected:
+ wxSize m_szAnimation;
+ unsigned int m_nFrames;
- // convert given frame to wxImage
- virtual bool ConvertToImage(size_t frame, wxImage *image) const = 0;
+ // this is the colour to use for the wxANIM_TOBACKGROUND disposal.
+ // if not specified by the animation, it's set to wxNullColour
+ wxColour m_background;
};
-#endif // wxUSE_STREAM && wxUSE_GIF
+#endif // wxUSE_STREAM
#endif // _WX_ANIMDECOD_H