244d3b67ca
from the wxBitmap constructor that was causing a crash. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12590 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
231 lines
7.2 KiB
C++
231 lines
7.2 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: bitmap.h
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// Purpose: wxBitmap class
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// Author: Julian Smart
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// Modified by:
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// Created: 17/09/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_BITMAP_H_
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#define _WX_BITMAP_H_
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#ifdef __GNUG__
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#pragma interface "bitmap.h"
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#endif
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#include "wx/gdiobj.h"
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#include "wx/gdicmn.h"
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#include "wx/palette.h"
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// Bitmap
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class WXDLLEXPORT wxDC;
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class WXDLLEXPORT wxControl;
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class WXDLLEXPORT wxBitmap;
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class WXDLLEXPORT wxBitmapHandler;
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class WXDLLEXPORT wxIcon;
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class WXDLLEXPORT wxCursor;
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class WXDLLEXPORT wxImage;
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// A mask is a mono bitmap used for drawing bitmaps
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// transparently.
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class WXDLLEXPORT wxMask: public wxObject
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{
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DECLARE_DYNAMIC_CLASS(wxMask)
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public:
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wxMask();
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// Construct a mask from a bitmap and a colour indicating
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// the transparent area
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wxMask(const wxBitmap& bitmap, const wxColour& colour);
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// Construct a mask from a bitmap and a palette index indicating
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// the transparent area
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wxMask(const wxBitmap& bitmap, int paletteIndex);
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// Construct a mask from a mono bitmap (copies the bitmap).
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wxMask(const wxBitmap& bitmap);
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~wxMask();
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bool Create(const wxBitmap& bitmap, const wxColour& colour);
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bool Create(const wxBitmap& bitmap, int paletteIndex);
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bool Create(const wxBitmap& bitmap);
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WXPixmap GetPixmap() const { return m_pixmap; }
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void SetPixmap(WXPixmap pixmap) { m_pixmap = pixmap; }
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protected:
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WXPixmap m_pixmap;
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};
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class WXDLLEXPORT wxBitmapRefData: public wxGDIRefData
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{
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friend class WXDLLEXPORT wxBitmap;
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friend class WXDLLEXPORT wxIcon;
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friend class WXDLLEXPORT wxCursor;
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public:
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wxBitmapRefData();
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~wxBitmapRefData();
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public:
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int m_width;
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int m_height;
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int m_depth;
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bool m_ok;
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int m_numColors;
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wxPalette m_bitmapPalette;
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int m_quality;
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wxMask * m_bitmapMask; // Optional mask
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// Motif implementation
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public:
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WXPixmap m_pixmap;
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WXDisplay* m_display;
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bool m_freePixmap;
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unsigned long* m_freeColors;
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long m_freeColorsCount;
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// These 5 variables are for wxControl
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WXPixmap m_insensPixmap ;
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WXPixmap m_labelPixmap ;
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WXPixmap m_armPixmap ;
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WXImage* m_image ;
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WXImage* m_insensImage ;
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};
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#define M_BITMAPDATA ((wxBitmapRefData *)m_refData)
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class WXDLLEXPORT wxBitmapHandler: public wxObject
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{
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DECLARE_DYNAMIC_CLASS(wxBitmapHandler)
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public:
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wxBitmapHandler() { m_name = ""; m_extension = ""; m_type = 0; };
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virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1);
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virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
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int desiredWidth, int desiredHeight);
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virtual bool SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL);
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void SetName(const wxString& name) { m_name = name; }
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void SetExtension(const wxString& ext) { m_extension = ext; }
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void SetType(long type) { m_type = type; }
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wxString GetName() const { return m_name; }
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wxString GetExtension() const { return m_extension; }
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long GetType() const { return m_type; }
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protected:
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wxString m_name;
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wxString m_extension;
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long m_type;
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};
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#define M_BITMAPHANDLERDATA ((wxBitmapRefData *)bitmap->GetRefData())
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class WXDLLEXPORT wxBitmap: public wxGDIObject
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{
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DECLARE_DYNAMIC_CLASS(wxBitmap)
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friend class WXDLLEXPORT wxBitmapHandler;
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public:
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wxBitmap(); // Platform-specific
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// Copy constructors
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wxBitmap(const wxBitmap& bitmap)
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{ Ref(bitmap); }
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// Initialize with raw XBM data
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wxBitmap(const char bits[], int width, int height, int depth = 1);
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// from XPM
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wxBitmap(const char **data) { (void)CreateFromXpm(data); }
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wxBitmap(char **data) { (void)CreateFromXpm((const char **)data); }
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// Initialize with XPM data -- deprecated
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wxBitmap(char **data, wxControl* control);
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// Load a file or resource
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wxBitmap(const wxString& name, long type = wxBITMAP_TYPE_XPM);
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// Constructor for generalised creation from data
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wxBitmap(void *data, long type, int width, int height, int depth = 1);
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// If depth is omitted, will create a bitmap compatible with the display
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wxBitmap(int width, int height, int depth = -1);
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// Convert from wxImage:
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wxBitmap(const wxImage& image, int depth = -1) { (void)CreateFromImage(image, depth); }
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~wxBitmap();
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virtual bool Create(int width, int height, int depth = -1);
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virtual bool Create(void *data, long type, int width, int height, int depth = 1);
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wxBitmap GetSubBitmap( const wxRect& rect ) const;
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virtual bool LoadFile(const wxString& name, long type = wxBITMAP_TYPE_XPM);
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virtual bool SaveFile(const wxString& name, int type, const wxPalette *cmap = NULL);
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wxImage ConvertToImage() const;
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bool Ok() const { return (M_BITMAPDATA && M_BITMAPDATA->m_ok); }
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int GetWidth() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_width : 0); }
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int GetHeight() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_height : 0); }
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int GetDepth() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_depth : 0); }
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int GetQuality() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_quality : 0); }
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void SetWidth(int w);
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void SetHeight(int h);
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void SetDepth(int d);
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void SetQuality(int q);
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void SetOk(bool isOk);
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wxPalette* GetPalette() const { return (M_BITMAPDATA ? (& M_BITMAPDATA->m_bitmapPalette) : (wxPalette*) NULL); }
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void SetPalette(const wxPalette& palette);
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wxMask *GetMask() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_bitmapMask : (wxMask*) NULL); }
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void SetMask(wxMask *mask) ;
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wxBitmap& operator = (const wxBitmap& bitmap) { if (*this == bitmap) return (*this); Ref(bitmap); return *this; }
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bool operator == (const wxBitmap& bitmap) const { return m_refData == bitmap.m_refData; }
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bool operator != (const wxBitmap& bitmap) const { return m_refData != bitmap.m_refData; }
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// Format handling
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static wxList& GetHandlers() { return sm_handlers; }
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static void AddHandler(wxBitmapHandler *handler);
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static void InsertHandler(wxBitmapHandler *handler);
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static bool RemoveHandler(const wxString& name);
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static wxBitmapHandler *FindHandler(const wxString& name);
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static wxBitmapHandler *FindHandler(const wxString& extension, long bitmapType);
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static wxBitmapHandler *FindHandler(long bitmapType);
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static void InitStandardHandlers();
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static void CleanUpHandlers();
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// Motif implementation
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public:
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WXDisplay* GetDisplay() const { return M_BITMAPDATA->m_display; }
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WXPixmap GetPixmap() const { return (WXPixmap) M_BITMAPDATA->m_pixmap; }
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virtual WXPixmap GetLabelPixmap(WXWidget w) ;
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virtual WXPixmap GetArmPixmap(WXWidget w) ;
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virtual WXPixmap GetInsensPixmap(WXWidget w = (WXWidget) 0) ;
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void SetPixmapNull() { M_BITMAPDATA->m_pixmap = 0; }
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protected:
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static wxList sm_handlers;
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protected:
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bool CreateFromXpm(const char **bits);
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bool CreateFromImage(const wxImage& image, int depth);
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};
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// Creates a bitmap with transparent areas drawn in
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// the given colour.
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wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, wxColour& colour);
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#endif
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// _WX_BITMAP_H_
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