wxWidgets/include/wx/motif/bitmap.h

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/////////////////////////////////////////////////////////////////////////////
// Name: bitmap.h
// Purpose: wxBitmap class
// Author: Julian Smart
// Modified by:
// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_BITMAP_H_
#define _WX_BITMAP_H_
#ifdef __GNUG__
#pragma interface "bitmap.h"
#endif
#include "wx/gdiobj.h"
#include "wx/gdicmn.h"
#include "wx/palette.h"
// Bitmap
class WXDLLEXPORT wxDC;
class WXDLLEXPORT wxControl;
class WXDLLEXPORT wxBitmap;
class WXDLLEXPORT wxBitmapHandler;
class WXDLLEXPORT wxIcon;
class WXDLLEXPORT wxCursor;
// A mask is a mono bitmap used for drawing bitmaps
// transparently.
class WXDLLEXPORT wxMask: public wxObject
{
DECLARE_DYNAMIC_CLASS(wxMask)
public:
wxMask();
// Construct a mask from a bitmap and a colour indicating
// the transparent area
wxMask(const wxBitmap& bitmap, const wxColour& colour);
// Construct a mask from a bitmap and a palette index indicating
// the transparent area
wxMask(const wxBitmap& bitmap, int paletteIndex);
// Construct a mask from a mono bitmap (copies the bitmap).
wxMask(const wxBitmap& bitmap);
~wxMask();
bool Create(const wxBitmap& bitmap, const wxColour& colour);
bool Create(const wxBitmap& bitmap, int paletteIndex);
bool Create(const wxBitmap& bitmap);
WXPixmap GetPixmap() const { return m_pixmap; }
void SetPixmap(WXPixmap pixmap) { m_pixmap = pixmap; }
protected:
WXPixmap m_pixmap;
};
class WXDLLEXPORT wxBitmapRefData: public wxGDIRefData
{
friend class WXDLLEXPORT wxBitmap;
friend class WXDLLEXPORT wxIcon;
friend class WXDLLEXPORT wxCursor;
public:
wxBitmapRefData();
~wxBitmapRefData();
public:
int m_width;
int m_height;
int m_depth;
bool m_ok;
int m_numColors;
wxPalette m_bitmapPalette;
int m_quality;
wxMask * m_bitmapMask; // Optional mask
// Motif implementation
public:
WXPixmap m_pixmap;
WXDisplay* m_display;
bool m_freePixmap;
unsigned long* m_freeColors;
long m_freeColorsCount;
// These 5 variables are for wxControl
WXPixmap m_insensPixmap ;
WXPixmap m_labelPixmap ;
WXPixmap m_armPixmap ;
WXImage* m_image ;
WXImage* m_insensImage ;
};
#define M_BITMAPDATA ((wxBitmapRefData *)m_refData)
class WXDLLEXPORT wxBitmapHandler: public wxObject
{
DECLARE_DYNAMIC_CLASS(wxBitmapHandler)
public:
wxBitmapHandler() { m_name = ""; m_extension = ""; m_type = 0; };
virtual bool Create(wxBitmap *bitmap, 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(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(long type) { m_type = type; }
wxString GetName() const { return m_name; }
wxString GetExtension() const { return m_extension; }
long GetType() const { return m_type; }
protected:
wxString m_name;
wxString m_extension;
long m_type;
};
#define M_BITMAPHANDLERDATA ((wxBitmapRefData *)bitmap->GetRefData())
class WXDLLEXPORT wxBitmap: public wxGDIObject
{
DECLARE_DYNAMIC_CLASS(wxBitmap)
friend class WXDLLEXPORT wxBitmapHandler;
public:
wxBitmap(); // Platform-specific
// Copy constructors
wxBitmap(const wxBitmap& bitmap)
{ Ref(bitmap); if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this); }
// Initialize with raw XBM data
wxBitmap(const char bits[], int width, int height, int depth = 1);
// from XPM
wxBitmap(const char **data) { (void)CreateFromXpm(data); }
wxBitmap(char **data) { (void)CreateFromXpm((const char **)data); }
// Initialize with XPM data -- deprecated
wxBitmap(char **data, wxControl* control);
// Load a file or resource
wxBitmap(const wxString& name, long type = wxBITMAP_TYPE_XPM);
// Constructor for generalised creation from data
wxBitmap(void *data, long type, int width, int height, int depth = 1);
// If depth is omitted, will create a bitmap compatible with the display
wxBitmap(int width, int height, int depth = -1);
~wxBitmap();
virtual bool Create(int width, int height, int depth = -1);
virtual bool Create(void *data, long type, int width, int height, int depth = 1);
wxBitmap GetSubBitmap( const wxRect& rect ) const;
virtual bool LoadFile(const wxString& name, long type = wxBITMAP_TYPE_XPM);
virtual bool SaveFile(const wxString& name, int type, const wxPalette *cmap = NULL);
bool Ok() const { return (M_BITMAPDATA && M_BITMAPDATA->m_ok); }
int GetWidth() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_width : 0); }
int GetHeight() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_height : 0); }
int GetDepth() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_depth : 0); }
int GetQuality() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_quality : 0); }
void SetWidth(int w);
void SetHeight(int h);
void SetDepth(int d);
void SetQuality(int q);
void SetOk(bool isOk);
wxPalette* GetPalette() const { return (M_BITMAPDATA ? (& M_BITMAPDATA->m_bitmapPalette) : (wxPalette*) NULL); }
void SetPalette(const wxPalette& palette);
wxMask *GetMask() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_bitmapMask : (wxMask*) NULL); }
void SetMask(wxMask *mask) ;
wxBitmap& operator = (const wxBitmap& bitmap) { if (*this == bitmap) return (*this); Ref(bitmap); return *this; }
bool operator == (const wxBitmap& bitmap) { return m_refData == bitmap.m_refData; }
bool operator != (const wxBitmap& bitmap) { return m_refData != bitmap.m_refData; }
// Format handling
static wxList& GetHandlers() { return sm_handlers; }
static void AddHandler(wxBitmapHandler *handler);
static void InsertHandler(wxBitmapHandler *handler);
static bool RemoveHandler(const wxString& name);
static wxBitmapHandler *FindHandler(const wxString& name);
static wxBitmapHandler *FindHandler(const wxString& extension, long bitmapType);
static wxBitmapHandler *FindHandler(long bitmapType);
static void InitStandardHandlers();
static void CleanUpHandlers();
// Motif implementation
public:
WXDisplay* GetDisplay() const { return M_BITMAPDATA->m_display; }
WXPixmap GetPixmap() const { return (WXPixmap) M_BITMAPDATA->m_pixmap; }
virtual WXPixmap GetLabelPixmap(WXWidget w) ;
virtual WXPixmap GetArmPixmap(WXWidget w) ;
virtual WXPixmap GetInsensPixmap(WXWidget w = (WXWidget) 0) ;
void SetPixmapNull() { M_BITMAPDATA->m_pixmap = 0; }
protected:
static wxList sm_handlers;
protected:
bool CreateFromXpm(const char **bits);
};
// Creates a bitmap with transparent areas drawn in
// the given colour.
wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, wxColour& colour);
#endif
// _WX_BITMAP_H_