/////////////////////////////////////////////////////////////////////////////
-// Name: bitmap.h
+// Name: wx/msw/bitmap.h
// Purpose: wxBitmap class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_BITMAP_H_
#define _WX_BITMAP_H_
#ifdef __GNUG__
-#pragma interface "bitmap.h"
+ #pragma interface "bitmap.h"
#endif
-#include "wx/gdiobj.h"
+#include "wx/msw/gdiimage.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 wxMask;
class WXDLLEXPORT wxCursor;
+class WXDLLEXPORT wxControl;
+class WXDLLEXPORT wxImage;
-// A mask is a mono bitmap used for drawing bitmaps
-// transparently.
-class WXDLLEXPORT wxMask: public wxObject
-{
- DECLARE_DYNAMIC_CLASS(wxMask)
+// ----------------------------------------------------------------------------
+// Bitmap data
+//
+// NB: this class is private, but declared here to make it possible inline
+// wxBitmap functions accessing it
+// ----------------------------------------------------------------------------
+class WXDLLEXPORT wxBitmapRefData : public wxGDIImageRefData
+{
public:
- wxMask(void);
-
- // Construct a mask from a bitmap and a colour indicating
- // the transparent area
- wxMask(const wxBitmap& bitmap, const wxColour& colour);
+ wxBitmapRefData();
+ virtual ~wxBitmapRefData() { Free(); }
- // Construct a mask from a bitmap and a palette index indicating
- // the transparent area
- wxMask(const wxBitmap& bitmap, int paletteIndex);
+ virtual void Free();
- // Construct a mask from a mono bitmap (copies the bitmap).
- wxMask(const wxBitmap& bitmap);
+public:
+ int m_numColors;
+ wxPalette m_bitmapPalette;
+ int m_quality;
- ~wxMask(void);
+ // MSW-specific
+ // ------------
- bool Create(const wxBitmap& bitmap, const wxColour& colour);
- bool Create(const wxBitmap& bitmap, int paletteIndex);
- bool Create(const wxBitmap& bitmap);
+ // this field is solely for error checking: we detect selecting a bitmap
+ // into more than one DC at once or deleting a bitmap still selected into a
+ // DC (both are serious programming errors under Windows)
+ wxDC *m_selectedInto;
- // Implementation
- inline WXHBITMAP GetMaskBitmap(void) const { return m_maskBitmap; }
- inline void SetMaskBitmap(WXHBITMAP bmp) { m_maskBitmap = bmp; }
-protected:
- WXHBITMAP m_maskBitmap;
+ // optional mask for transparent drawing
+ wxMask *m_bitmapMask;
};
-class WXDLLEXPORT wxBitmapRefData: public wxGDIRefData
+// ----------------------------------------------------------------------------
+// wxBitmap: a mono or colour bitmap
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxBitmap : public wxGDIImage
{
- friend class WXDLLEXPORT wxBitmap;
- friend class WXDLLEXPORT wxIcon;
- friend class WXDLLEXPORT wxCursor;
public:
- wxBitmapRefData(void);
- ~wxBitmapRefData(void);
+ // default ctor creates an invalid bitmap, you must Create() it later
+ wxBitmap() { Init(); }
-public:
- int m_width;
- int m_height;
- int m_depth;
- bool m_ok;
- int m_numColors;
- wxPalette m_bitmapPalette;
- int m_quality;
-
-#ifdef __WXMSW__
- WXHBITMAP m_hBitmap;
- wxDC * m_selectedInto; // So bitmap knows whether it's been selected into
- // a device context (for error checking)
- wxMask * m_bitmapMask; // Option mask
-#endif
-};
+ // Copy constructors
+ wxBitmap(const wxBitmap& bitmap) { Init(); Ref(bitmap); }
-#define M_BITMAPDATA ((wxBitmapRefData *)m_refData)
+ // Initialize with raw data
+ wxBitmap(const char bits[], int width, int height, int depth = 1);
-class WXDLLEXPORT wxBitmapHandler: public wxObject
-{
- DECLARE_DYNAMIC_CLASS(wxBitmapHandler)
+ // Initialize with XPM data
+ wxBitmap(const char **data) { CreateFromXpm(data); }
+ wxBitmap(char **data) { CreateFromXpm((const char **)data); }
+
+ // Load a file or resource
+ wxBitmap(const wxString& name, wxBitmapType type = wxBITMAP_TYPE_BMP_RESOURCE);
+
+ // New 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);
+
+#if wxUSE_IMAGE
+ // Convert from wxImage:
+ wxBitmap(const wxImage& image, int depth = -1)
+ { (void)CreateFromImage(image, depth); }
+#endif // wxUSE_IMAGE
+
+ // we must have this, otherwise icons are silently copied into bitmaps using
+ // the copy ctor but the resulting bitmap is invalid!
+ wxBitmap(const wxIcon& icon) { Init(); CopyFromIcon(icon); }
+
+ wxBitmap& operator=(const wxBitmap& bitmap)
+ {
+ if ( m_refData != bitmap.m_refData )
+ Ref(bitmap);
+ return *this;
+ }
+
+ wxBitmap& operator=(const wxIcon& icon)
+ {
+ (void)CopyFromIcon(icon);
+
+ return *this;
+ }
+
+ wxBitmap& operator=(const wxCursor& cursor)
+ {
+ (void)CopyFromCursor(cursor);
+
+ return *this;
+ }
+
+ virtual ~wxBitmap();
+
+#if wxUSE_IMAGE
+ wxImage ConvertToImage() const;
+#endif // wxUSE_IMAGE
+
+ // get the given part of bitmap
+ wxBitmap GetSubBitmap( const wxRect& rect ) const;
+
+ // copies the contents and mask of the given (colour) icon to the bitmap
+ bool CopyFromIcon(const wxIcon& icon);
+
+ // copies the contents and mask of the given cursor to the bitmap
+ bool CopyFromCursor(const wxCursor& cursor);
+
+ virtual bool Create(int width, int height, int depth = -1);
+ virtual bool Create(void *data, long type, int width, int height, int depth = 1);
+ virtual bool LoadFile(const wxString& name, long type = wxBITMAP_TYPE_BMP_RESOURCE);
+ virtual bool SaveFile(const wxString& name, int type, const wxPalette *cmap = NULL);
+
+ wxBitmapRefData *GetBitmapData() const { return (wxBitmapRefData *)m_refData; }
+
+ int GetQuality() const { return (GetBitmapData() ? GetBitmapData()->m_quality : 0); }
+ void SetQuality(int q);
+
+ wxPalette* GetPalette() const { return (GetBitmapData() ? (& GetBitmapData()->m_bitmapPalette) : (wxPalette*) NULL); }
+ void SetPalette(const wxPalette& palette);
+
+ wxMask *GetMask() const { return (GetBitmapData() ? GetBitmapData()->m_bitmapMask : (wxMask*) NULL); }
+ void SetMask(wxMask *mask) ;
+
+ bool operator==(const wxBitmap& bitmap) const { return m_refData == bitmap.m_refData; }
+ bool operator!=(const wxBitmap& bitmap) const { return m_refData != bitmap.m_refData; }
+
+#if WXWIN_COMPATIBILITY_2
+ void SetOk(bool isOk);
+#endif // WXWIN_COMPATIBILITY_2
+
+#if WXWIN_COMPATIBILITY
+ wxPalette *GetColourMap() const { return GetPalette(); }
+ void SetColourMap(wxPalette *cmap) { SetPalette(*cmap); };
+#endif // WXWIN_COMPATIBILITY
+
+ // Implementation
public:
- wxBitmapHandler(void) { 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);
-
- inline void SetName(const wxString& name) { m_name = name; }
- inline void SetExtension(const wxString& ext) { m_extension = ext; }
- inline void SetType(long type) { m_type = type; }
- inline wxString GetName(void) const { return m_name; }
- inline wxString GetExtension(void) const { return m_extension; }
- inline long GetType(void) const { return m_type; }
+ void SetHBITMAP(WXHBITMAP bmp) { SetHandle((WXHANDLE)bmp); }
+ WXHBITMAP GetHBITMAP() const { return (WXHBITMAP)GetHandle(); }
+
+ void SetSelectedInto(wxDC *dc) { if (GetBitmapData()) GetBitmapData()->m_selectedInto = dc; }
+ wxDC *GetSelectedInto() const { return (GetBitmapData() ? GetBitmapData()->m_selectedInto : (wxDC*) NULL); }
+
+ // Creates a bitmap that matches the device context's depth, from an
+ // arbitray bitmap. At present, the original bitmap must have an associated
+ // palette. (TODO: use a default palette if no palette exists.) This
+ // function is necessary for you to Blit an arbitrary bitmap (which may
+ // have the wrong depth). wxDC::SelectObject will compare the depth of the
+ // bitmap with the DC's depth, and create a new bitmap if the depths
+ // differ. Eventually we should perhaps make this a public API function so
+ // that an app can efficiently produce bitmaps of the correct depth. The
+ // Windows solution is to use SetDibBits to blit an arbotrary DIB directly
+ // to a DC, but this is too Windows-specific, hence this solution of
+ // quietly converting the wxBitmap. Contributed by Frederic Villeneuve
+ // <frederic.villeneuve@natinst.com>
+ wxBitmap GetBitmapForDC(wxDC& dc) const;
+
protected:
- wxString m_name;
- wxString m_extension;
- long m_type;
+ // common part of all ctors
+ void Init();
+
+ virtual wxGDIImageRefData *CreateData() const
+ { return new wxBitmapRefData; }
+
+ // creates the bitmap from XPM data, supposed to be called from ctor
+ bool CreateFromXpm(const char **bits);
+
+#if wxUSE_IMAGE
+ // creates the bitmap from wxImage, supposed to be called from ctor
+ bool CreateFromImage(const wxImage& image, int depth);
+#endif // wxUSE_IMAGE
+
+private:
+#ifdef __WIN32__
+ // common part of CopyFromIcon/CopyFromCursor for Win32
+ bool CopyFromIconOrCursor(const wxGDIImage& icon);
+#endif // __WIN32__
+
+ DECLARE_DYNAMIC_CLASS(wxBitmap)
};
-#define M_BITMAPHANDLERDATA ((wxBitmapRefData *)bitmap->GetRefData())
-class WXDLLEXPORT wxBitmap: public wxGDIObject
+// ----------------------------------------------------------------------------
+// wxMask: a mono bitmap used for drawing bitmaps transparently.
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxMask : public wxObject
{
- DECLARE_DYNAMIC_CLASS(wxBitmap)
+public:
+ wxMask();
- friend class WXDLLEXPORT wxBitmapHandler;
+ // Construct a mask from a bitmap and a colour indicating the transparent
+ // area
+ wxMask(const wxBitmap& bitmap, const wxColour& colour);
-public:
- wxBitmap(void); // Platform-specific
+ // Construct a mask from a bitmap and a palette index indicating the
+ // transparent area
+ wxMask(const wxBitmap& bitmap, int paletteIndex);
- // Copy constructors
- inline wxBitmap(const wxBitmap& bitmap)
- { Ref(bitmap); if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this); }
- inline wxBitmap(const wxBitmap* bitmap) { if (bitmap) Ref(*bitmap); if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this); }
+ // Construct a mask from a mono bitmap (copies the bitmap).
+ wxMask(const wxBitmap& bitmap);
- // Initialize with raw data
- wxBitmap(const char bits[], int width, int height, int depth = 1);
+ // construct a mask from the givne bitmap handle
+ wxMask(WXHBITMAP hbmp) { m_maskBitmap = hbmp; }
-#if wxUSE_XPM_IN_MSW
- class wxItem;
- // Initialize with XPM data
- wxBitmap(char **data, wxItem *anItem = NULL);
-#endif
+ virtual ~wxMask();
+
+ bool Create(const wxBitmap& bitmap, const wxColour& colour);
+ bool Create(const wxBitmap& bitmap, int paletteIndex);
+ bool Create(const wxBitmap& bitmap);
+
+ // Implementation
+ WXHBITMAP GetMaskBitmap() const { return m_maskBitmap; }
+ void SetMaskBitmap(WXHBITMAP bmp) { m_maskBitmap = bmp; }
- // Load a file or resource
- wxBitmap(const wxString& name, long type = wxBITMAP_TYPE_BMP_RESOURCE);
-
- // New 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(void);
-
- virtual bool Create(int width, int height, int depth = -1);
- virtual bool Create(void *data, long type, int width, int height, int depth = 1);
- virtual bool LoadFile(const wxString& name, long type = wxBITMAP_TYPE_BMP_RESOURCE);
- virtual bool SaveFile(const wxString& name, int type, const wxPalette *cmap = NULL);
-
- inline bool Ok(void) const { return (M_BITMAPDATA && M_BITMAPDATA->m_ok); }
- inline int GetWidth(void) const { return (M_BITMAPDATA ? M_BITMAPDATA->m_width : 0); }
- inline int GetHeight(void) const { return (M_BITMAPDATA ? M_BITMAPDATA->m_height : 0); }
- inline int GetDepth(void) const { return (M_BITMAPDATA ? M_BITMAPDATA->m_depth : 0); }
- inline int GetQuality(void) 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);
-#if WXWIN_COMPATIBILITY
- inline wxPalette *GetColourMap(void) const { return GetPalette(); }
- void SetColourMap(wxPalette *cmap) { SetPalette(*cmap); };
-#endif
- inline wxPalette* GetPalette(void) const { return (M_BITMAPDATA ? (& M_BITMAPDATA->m_bitmapPalette) : NULL); }
- void SetPalette(const wxPalette& palette);
-
- inline wxMask *GetMask(void) const { return (M_BITMAPDATA ? M_BITMAPDATA->m_bitmapMask : NULL); }
- void SetMask(wxMask *mask) ;
-
- inline wxBitmap& operator = (const wxBitmap& bitmap) { if (*this == bitmap) return (*this); Ref(bitmap); return *this; }
- inline bool operator == (const wxBitmap& bitmap) { return m_refData == bitmap.m_refData; }
- inline bool operator != (const wxBitmap& bitmap) { return m_refData != bitmap.m_refData; }
-
- // Format handling
- static inline wxList& GetHandlers(void) { 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(void);
- static void CleanUpHandlers(void);
protected:
- static wxList sm_handlers;
+ WXHBITMAP m_maskBitmap;
- // Implementation
-public:
- void SetHBITMAP(WXHBITMAP bmp);
- inline WXHBITMAP GetHBITMAP(void) const { return (M_BITMAPDATA ? M_BITMAPDATA->m_hBitmap : 0); }
- inline void SetSelectedInto(wxDC *dc) { if (M_BITMAPDATA) M_BITMAPDATA->m_selectedInto = dc; }
- inline wxDC *GetSelectedInto(void) const { return (M_BITMAPDATA ? M_BITMAPDATA->m_selectedInto : NULL); }
- bool FreeResource(bool force = FALSE);
-
- // Creates a bitmap that matches the device context's depth, from
- // an arbitray bitmap. At present, the original bitmap must have an
- // associated palette. (TODO: use a default palette if no palette exists.)
- // This function is necessary for you to Blit an arbitrary bitmap (which may have
- // the wrong depth). wxDC::SelectObject will compare the depth of the bitmap
- // with the DC's depth, and create a new bitmap if the depths differ.
- // Eventually we should perhaps make this a public API function so that
- // an app can efficiently produce bitmaps of the correct depth.
- // The Windows solution is to use SetDibBits to blit an arbotrary DIB directly to a DC, but
- // this is too Windows-specific, hence this solution of quietly converting the wxBitmap.
- // Contributed by Frederic Villeneuve <frederic.villeneuve@natinst.com>
- wxBitmap GetBitmapForDC(wxDC& dc) const;
+ DECLARE_DYNAMIC_CLASS(wxMask)
+};
+
+// ----------------------------------------------------------------------------
+// wxBitmapHandler is a class which knows how to load/save bitmaps to/from file
+// ----------------------------------------------------------------------------
+class WXDLLEXPORT wxBitmapHandler : public wxGDIImageHandler
+{
+public:
+ wxBitmapHandler() { m_type = wxBITMAP_TYPE_INVALID; }
+ wxBitmapHandler(const wxString& name, const wxString& ext, long type)
+ : wxGDIImageHandler(name, ext, type)
+ {
+ }
+
+ // keep wxBitmapHandler derived from wxGDIImageHandler compatible with the
+ // old class which worked only with bitmaps
+ 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);
+
+ virtual bool Create(wxGDIImage *image,
+ void *data,
+ long flags,
+ int width, int height, int depth = 1);
+ virtual bool Load(wxGDIImage *image,
+ const wxString& name,
+ long flags,
+ int desiredWidth, int desiredHeight);
+ virtual bool Save(wxGDIImage *image,
+ const wxString& name,
+ int type);
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxBitmapHandler)
};
+
#endif
// _WX_BITMAP_H_
projects / wxWidgets.git / blobdiff