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vvs31415andVadim Zeitlin
de3d441a7b
Provide a ctor which can be used to fully initialize the base class instead of forcing all image handlers to initialize their member variables manually and use it in all the standard image handlers. Closes #25933. Co-authored-by: Vadim Zeitlin <vadim@wxwidgets.org>
76 lines
1.9 KiB
C++
Executable File
76 lines
1.9 KiB
C++
Executable File
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/imagwebp.h
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// Purpose: wxImage WebP handler
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// Author: Hermann Höhne
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// Created: 2024-03-08
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// Copyright: (c) Hermann Höhne
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_IMAGWEBP_H_
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#define _WX_IMAGWEBP_H_
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#include "wx/defs.h"
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#if wxUSE_LIBWEBP
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#include "wx/colour.h"
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#include "wx/image.h"
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#include "wx/versioninfo.h"
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//-----------------------------------------------------------------------------
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// wxWEBPHandler
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//-----------------------------------------------------------------------------
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namespace wxWebPImageFormat
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{
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enum wxWebPImageFormat : int
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{
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Undefined = 0,
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Lossy = 1,
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Lossless = 2
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};
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}
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#define wxIMAGE_OPTION_WEBP_QUALITY wxS("WebPQuality")
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#define wxIMAGE_OPTION_WEBP_FORMAT wxS("WebPFormat")
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struct wxWebPAnimationFrame
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{
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wxImage image;
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wxColour bgColour;
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int duration = 0;
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};
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class WXDLLIMPEXP_CORE wxWEBPHandler : public wxImageHandler
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{
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public:
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wxWEBPHandler() : wxImageHandler(
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wxS("WebP file"),
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wxS("webp"),
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wxBITMAP_TYPE_WEBP,
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wxS("image/webp"))
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{
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}
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static wxVersionInfo GetLibraryVersionInfo();
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#if wxUSE_STREAMS
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virtual bool LoadFile(wxImage* image, wxInputStream& stream, bool verbose = true, int index = -1) override;
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virtual bool SaveFile(wxImage* image, wxOutputStream& stream, bool verbose = true) override;
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virtual bool LoadAnimation(std::vector<wxWebPAnimationFrame>& frames, wxInputStream& stream, bool verbose = true);
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protected:
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virtual bool DoCanRead(wxInputStream& stream) override;
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virtual int DoGetImageCount(wxInputStream& stream) override;
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#endif // wxUSE_STREAMS
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private:
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wxDECLARE_DYNAMIC_CLASS(wxWEBPHandler);
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};
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#endif // wxUSE_LIBWEBP
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#endif // _WX_IMAGWEBP_H_
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