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bitmap.h
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C/C++ Source or Header
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2002-08-31
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6KB
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177 lines
///////////////////////////////////////////////////////////////////////////////
// Name: wx/bitmap.h
// Purpose: wxBitmap class interface
// Author: Vaclav Slavik
// Modified by:
// Created: 22.04.01
// RCS-ID: $Id: bitmap.h,v 1.14 2002/08/31 11:29:09 GD Exp $
// Copyright: (c) wxWindows team
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_BITMAP_H_BASE_
#define _WX_BITMAP_H_BASE_
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma interface "bitmapbase.h"
#endif
#include "wx/defs.h"
#include "wx/object.h"
#include "wx/string.h"
#include "wx/gdiobj.h"
#include "wx/gdicmn.h" // for wxBitmapType
class WXDLLEXPORT wxBitmap;
class WXDLLEXPORT wxBitmapHandler;
class WXDLLEXPORT wxImage;
class WXDLLEXPORT wxMask;
class WXDLLEXPORT wxPalette;
#if defined(__WXMGL__) || defined(__WXMAC__)
// Only used by some ports
// FIXME -- make all ports (but MSW which uses wxGDIImage) use these base classes
// ----------------------------------------------------------------------------
// wxBitmapHandler: class which knows how to create/load/save bitmaps in
// different formats
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxBitmapHandlerBase : public wxObject
{
public:
wxBitmapHandlerBase()
: m_name()
, m_extension()
, m_type(wxBITMAP_TYPE_INVALID)
{ }
virtual ~wxBitmapHandlerBase() { }
virtual bool Create(wxBitmap *bitmap, void *data, long flags,
int width, int height, int depth = 1) = 0;
virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
int desiredWidth, int desiredHeight) = 0;
virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name,
int type, const wxPalette *palette = NULL) = 0;
void SetName(const wxString& name) { m_name = name; }
void SetExtension(const wxString& ext) { m_extension = ext; }
void SetType(wxBitmapType type) { m_type = type; }
wxString GetName() const { return m_name; }
wxString GetExtension() const { return m_extension; }
wxBitmapType GetType() const { return m_type; }
protected:
wxString m_name;
wxString m_extension;
wxBitmapType m_type;
DECLARE_ABSTRACT_CLASS(wxBitmapHandlerBase)
};
class WXDLLEXPORT wxBitmapBase : public wxGDIObject
{
public:
wxBitmapBase() : wxGDIObject() {}
virtual ~wxBitmapBase() {}
/*
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 **bits);
wxBitmap(char **bits);
wxBitmap(const wxBitmap& bmp);
wxBitmap(const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_XPM);
wxBitmap(const wxImage& image, int depth = -1);
wxBitmap& operator = (const wxBitmap& bmp);
bool operator == (const wxBitmap& bmp) const;
bool operator != (const wxBitmap& bmp) const;
bool Create(int width, int height, int depth = -1);
static void InitStandardHandlers();
*/
virtual bool Ok() const = 0;
virtual int GetHeight() const = 0;
virtual int GetWidth() const = 0;
virtual int GetDepth() const = 0;
virtual wxImage ConvertToImage() const = 0;
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;
virtual wxPalette *GetPalette() const = 0;
virtual void SetPalette(const wxPalette& palette) = 0;
#if WXWIN_COMPATIBILITY
wxPalette *GetColourMap() const { return GetPalette(); }
void SetColourMap(wxPalette *cmap) { SetPalette(*cmap); };
#endif // WXWIN_COMPATIBILITY
// 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();
protected:
static wxList sm_handlers;
DECLARE_ABSTRACT_CLASS(wxBitmapBase)
};
#endif
#if defined(__WXMSW__)
#include "wx/msw/bitmap.h"
#elif defined(__WXMOTIF__)
#include "wx/motif/bitmap.h"
#elif defined(__WXGTK__)
#include "wx/gtk/bitmap.h"
#elif defined(__WXX11__)
#include "wx/x11/bitmap.h"
#elif defined(__WXMGL__)
#include "wx/mgl/bitmap.h"
#elif defined(__WXMAC__)
#include "wx/mac/bitmap.h"
#elif defined(__WXPM__)
#include "wx/os2/bitmap.h"
#elif defined(__WXSTUBS__)
#include "wx/stubs/bitmap.h"
#endif
#endif
// _WX_BITMAP_H_BASE_