dolphin/Externals/wxWidgets/include/wx/bitmap.h

242 lines
7.9 KiB
C
Raw Normal View History

///////////////////////////////////////////////////////////////////////////////
// Name: wx/bitmap.h
// Purpose: wxBitmap class interface
// Author: Vaclav Slavik
// Modified by:
// Created: 22.04.01
// RCS-ID: $Id: bitmap.h 49563 2007-10-31 20:46:21Z VZ $
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_BITMAP_H_BASE_
#define _WX_BITMAP_H_BASE_
// ----------------------------------------------------------------------------
// 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 bool Ok() const { return IsOk(); }
virtual bool IsOk() 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;
/*
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/x11/bitmap.h"
#elif defined(__WXGTK20__)
#include "wx/gtk/bitmap.h"
#elif defined(__WXGTK__)
#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(__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
#if wxUSE_GENERIC_MASK
#include "wx/generic/mask.h"
#endif
#endif // _WX_BITMAP_H_BASE_