X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/34138703c3997ce676a1e713d9ff9eb020640da7..bcf7614cf3a2329e484fd8f437b3a8b521f2b94b:/include/wx/bitmap.h diff --git a/include/wx/bitmap.h b/include/wx/bitmap.h index f031e7041a..bd81349e36 100644 --- a/include/wx/bitmap.h +++ b/include/wx/bitmap.h @@ -1,19 +1,240 @@ +/////////////////////////////////////////////////////////////////////////////// +// Name: wx/bitmap.h +// Purpose: wxBitmap class interface +// Author: Vaclav Slavik +// Modified by: +// Created: 22.04.01 +// RCS-ID: $Id$ +// Copyright: (c) wxWidgets team +// Licence: wxWindows licence +/////////////////////////////////////////////////////////////////////////////// + #ifndef _WX_BITMAP_H_BASE_ #define _WX_BITMAP_H_BASE_ -#if defined(__WXMSW__) -#include "wx/msw/bitmap.h" +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +#include "wx/string.h" +#include "wx/gdicmn.h" // for wxBitmapType +#include "wx/colour.h" + +class WXDLLIMPEXP_FWD_CORE wxBitmap; +class WXDLLIMPEXP_FWD_CORE wxBitmapHandler; +class WXDLLIMPEXP_FWD_CORE wxIcon; +class WXDLLIMPEXP_FWD_CORE wxImage; +class WXDLLIMPEXP_FWD_CORE wxMask; +class WXDLLIMPEXP_FWD_CORE wxPalette; + +// ---------------------------------------------------------------------------- +// wxVariant support +// ---------------------------------------------------------------------------- + +#if wxUSE_VARIANT +#include "wx/variant.h" +DECLARE_VARIANT_OBJECT_EXPORTED(wxBitmap,WXDLLEXPORT) +#endif + +// ---------------------------------------------------------------------------- +// wxMask represents the transparent area of the bitmap +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxMaskBase : public wxObject +{ +public: + // create the mask from bitmap pixels of the given colour + bool Create(const wxBitmap& bitmap, const wxColour& colour); + +#if wxUSE_PALETTE + // create the mask from bitmap pixels with the given palette index + bool Create(const wxBitmap& bitmap, int paletteIndex); +#endif // wxUSE_PALETTE + + // create the mask from the given mono bitmap + bool Create(const wxBitmap& bitmap); + +protected: + // this function is called from Create() to free the existing mask data + virtual void FreeData() = 0; + + // these functions must be overridden to implement the corresponding public + // Create() methods, they shouldn't call FreeData() as it's already called + // by the public wrappers + virtual bool InitFromColour(const wxBitmap& bitmap, + const wxColour& colour) = 0; + virtual bool InitFromMonoBitmap(const wxBitmap& bitmap) = 0; +}; + +#if defined(__WXMGL__) || \ + defined(__WXDFB__) || \ + defined(__WXMAC__) || \ + defined(__WXGTK__) || \ + defined(__WXCOCOA__) || \ + defined(__WXMOTIF__) || \ + defined(__WXX11__) + #define wxUSE_BITMAP_BASE 1 +#else + #define wxUSE_BITMAP_BASE 0 +#endif + +// Only used by some ports +// FIXME -- make all ports (but MSW which uses wxGDIImage) use these base classes +#if wxUSE_BITMAP_BASE + +// ---------------------------------------------------------------------------- +// wxBitmapHandler: class which knows how to create/load/save bitmaps in +// different formats +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxBitmapHandlerBase : public wxObject +{ +public: + wxBitmapHandlerBase() { m_type = wxBITMAP_TYPE_INVALID; } + virtual ~wxBitmapHandlerBase() { } + + virtual bool Create(wxBitmap *bitmap, const void* data, long flags, + int width, int height, int depth = 1); + virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, + int desiredWidth, int desiredHeight); + virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, + int type, const wxPalette *palette = NULL); + + void SetName(const wxString& name) { m_name = name; } + void SetExtension(const wxString& ext) { m_extension = ext; } + void SetType(wxBitmapType type) { m_type = type; } + const wxString& GetName() const { return m_name; } + const wxString& GetExtension() const { return m_extension; } + wxBitmapType GetType() const { return m_type; } + +private: + wxString m_name; + wxString m_extension; + wxBitmapType m_type; + + DECLARE_ABSTRACT_CLASS(wxBitmapHandlerBase) +}; + +class WXDLLEXPORT wxBitmapBase : public wxGDIObject +{ +public: + /* + Derived class must implement these: + + wxBitmap(); + wxBitmap(int width, int height, int depth = -1); + wxBitmap(const char bits[], int width, int height, int depth = 1); + wxBitmap(const char* const* bits); + wxBitmap(const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_XPM); + wxBitmap(const wxImage& image, int depth = -1); + + bool Create(int width, int height, int depth = -1); + + static void InitStandardHandlers(); + */ + + virtual int GetHeight() const = 0; + virtual int GetWidth() const = 0; + virtual int GetDepth() const = 0; + +#if wxUSE_IMAGE + virtual wxImage ConvertToImage() const = 0; +#endif // wxUSE_IMAGE + + virtual wxMask *GetMask() const = 0; + virtual void SetMask(wxMask *mask) = 0; + + virtual wxBitmap GetSubBitmap(const wxRect& rect) const = 0; + + virtual bool SaveFile(const wxString &name, wxBitmapType type, + const wxPalette *palette = (wxPalette *)NULL) const = 0; + virtual bool LoadFile(const wxString &name, wxBitmapType type) = 0; + + /* + If raw bitmap access is supported (see wx/rawbmp.h), the following + methods should be implemented: + + virtual bool GetRawData(wxRawBitmapData *data) = 0; + virtual void UngetRawData(wxRawBitmapData *data) = 0; + */ + +#if wxUSE_PALETTE + virtual wxPalette *GetPalette() const = 0; + virtual void SetPalette(const wxPalette& palette) = 0; +#endif // wxUSE_PALETTE + + // copies the contents and mask of the given (colour) icon to the bitmap + virtual bool CopyFromIcon(const wxIcon& icon) = 0; + + // implementation: + virtual void SetHeight(int height) = 0; + virtual void SetWidth(int width) = 0; + virtual void SetDepth(int depth) = 0; + + // Format handling + static inline wxList& GetHandlers() { return sm_handlers; } + static void AddHandler(wxBitmapHandlerBase *handler); + static void InsertHandler(wxBitmapHandlerBase *handler); + static bool RemoveHandler(const wxString& name); + static wxBitmapHandler *FindHandler(const wxString& name); + static wxBitmapHandler *FindHandler(const wxString& extension, wxBitmapType bitmapType); + static wxBitmapHandler *FindHandler(wxBitmapType bitmapType); + + //static void InitStandardHandlers(); + // (wxBitmap must implement this one) + + static void CleanUpHandlers(); + + // this method is only used by the generic implementation of wxMask + // currently but could be useful elsewhere in the future: it can be + // overridden to quantize the colour to correspond to bitmap colour depth + // if necessary; default implementation simply returns the colour as is + virtual wxColour QuantizeColour(const wxColour& colour) const + { + return colour; + } + +protected: + static wxList sm_handlers; + + DECLARE_ABSTRACT_CLASS(wxBitmapBase) +}; + +#endif // wxUSE_BITMAP_BASE + +#if defined(__WXPALMOS__) + #include "wx/palmos/bitmap.h" +#elif defined(__WXMSW__) + #include "wx/msw/bitmap.h" #elif defined(__WXMOTIF__) -#include "wx/motif/bitmap.h" + #include "wx/x11/bitmap.h" +#elif defined(__WXGTK20__) + #include "wx/gtk/bitmap.h" #elif defined(__WXGTK__) -#include "wx/gtk/bitmap.h" -#elif defined(__WXQT__) -#include "wx/qt/bitmap.h" + #include "wx/gtk1/bitmap.h" +#elif defined(__WXX11__) + #include "wx/x11/bitmap.h" +#elif defined(__WXMGL__) + #include "wx/mgl/bitmap.h" +#elif defined(__WXDFB__) + #include "wx/dfb/bitmap.h" #elif defined(__WXMAC__) -#include "wx/mac/bitmap.h" -#elif defined(__WXSTUBS__) -#include "wx/stubs/bitmap.h" + #include "wx/mac/bitmap.h" +#elif defined(__WXCOCOA__) + #include "wx/cocoa/bitmap.h" +#elif defined(__WXPM__) + #include "wx/os2/bitmap.h" #endif +// we must include generic mask.h after wxBitmap definition +#if defined(__WXMGL__) || defined(__WXDFB__) + #define wxUSE_GENERIC_MASK 1 +#else + #define wxUSE_GENERIC_MASK 0 #endif - // _WX_BITMAP_H_BASE_ + +#if wxUSE_GENERIC_MASK + #include "wx/generic/mask.h" +#endif + +#endif // _WX_BITMAP_H_BASE_