initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/include/wx/anidecod.h

@@ -0,0 +1,85 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/anidecod.h
+// Purpose:     wxANIDecoder, ANI reader for wxImage and wxAnimation
+// Author:      Francesco Montorsi
+// Copyright:   (c) 2006 Francesco Montorsi
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_ANIDECOD_H
+#define _WX_ANIDECOD_H
+
+#include "wx/defs.h"
+
+#if wxUSE_STREAMS && (wxUSE_ICO_CUR || wxUSE_GIF)
+
+#include "wx/stream.h"
+#include "wx/image.h"
+#include "wx/animdecod.h"
+#include "wx/dynarray.h"
+
+
+class /*WXDLLIMPEXP_CORE*/ wxANIFrameInfo;      // private implementation detail
+
+// For compatibility purposes, provide wxImageArray class mimicking the legacy
+// dynamic array which used to be required by wxGIFHandler::SaveAnimation():
+// now we just take a vector of images there, but we want to keep the existing
+// code using wxImageArray working (and keep it declared here because this is
+// where it used to be, even if this doesn't make much sense).
+using wxImageArray = wxBaseArray<wxImage>;
+
+// --------------------------------------------------------------------------
+// wxANIDecoder class
+// --------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxANIDecoder : public wxAnimationDecoder
+{
+public:
+    // constructor, destructor, etc.
+    wxANIDecoder();
+    ~wxANIDecoder();
+
+
+    virtual wxSize GetFrameSize(unsigned int frame) const override;
+    virtual wxPoint GetFramePosition(unsigned int frame) const override;
+    virtual wxAnimationDisposal GetDisposalMethod(unsigned int frame) const override;
+    virtual long GetDelay(unsigned int frame) const override;
+    virtual wxColour GetTransparentColour(unsigned int frame) const override;
+
+    // implementation of wxAnimationDecoder's pure virtuals
+
+    virtual bool Load( wxInputStream& stream ) override;
+
+    bool ConvertToImage(unsigned int frame, wxImage *image) const override;
+
+    wxNODISCARD wxAnimationDecoder *Clone() const override
+        { return new wxANIDecoder; }
+    wxAnimationType GetType() const override
+        { return wxANIMATION_TYPE_ANI; }
+
+protected:
+    // wxAnimationDecoder pure virtual:
+    virtual bool DoCanRead( wxInputStream& stream ) const override;
+            // modifies current stream position (see wxAnimationDecoder::CanRead)
+
+private:
+    // frames stored as wxImage(s): ANI files are meant to be used mostly for animated
+    // cursors and thus they do not use any optimization to encode differences between
+    // two frames: they are just a list of images to display sequentially.
+    std::vector<wxImage> m_images;
+
+    // the info about each image stored in m_images.
+    // NB: m_info.GetCount() may differ from m_images.GetCount()!
+    std::vector<wxANIFrameInfo> m_info;
+
+    // this is the wxCURHandler used to load the ICON chunk of the ANI files
+    static wxCURHandler sm_handler;
+
+
+    wxDECLARE_NO_COPY_CLASS(wxANIDecoder);
+};
+
+
+#endif  // wxUSE_STREAMS && (wxUSE_ICO_CUR || wxUSE_GIF)
+
+#endif  // _WX_ANIDECOD_H