/////////////////////////////////////////////////////////////////////////////
-// Name: bitmap.h
+// Name: wx/msw/bitmap.h
// Purpose: wxBitmap class
// Author: Julian Smart
// Modified by:
#ifndef _WX_BITMAP_H_
#define _WX_BITMAP_H_
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#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 wxCursor;
+class WXDLLEXPORT wxBitmapRefData;
class WXDLLEXPORT wxControl;
-
-// 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);
-
- // Implementation
- WXHBITMAP GetMaskBitmap() const { return m_maskBitmap; }
- void SetMaskBitmap(WXHBITMAP bmp) { m_maskBitmap = bmp; }
-
-protected:
- WXHBITMAP m_maskBitmap;
-};
-
-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;
-
-#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
+class WXDLLEXPORT wxCursor;
+class WXDLLEXPORT wxDC;
+#if wxUSE_WXDIB
+class WXDLLEXPORT wxDIB;
#endif
-};
+class WXDLLEXPORT wxIcon;
+class WXDLLEXPORT wxImage;
+class WXDLLEXPORT wxMask;
+class WXDLLEXPORT wxPalette;
+class WXDLLEXPORT wxPixelDataBase;
-#define M_BITMAPDATA ((wxBitmapRefData *)m_refData)
+// ----------------------------------------------------------------------------
+// wxBitmap: a mono or colour bitmap
+// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxBitmapHandler: public wxObject
+class WXDLLEXPORT wxBitmap : public wxGDIImage
{
- 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
-{
-friend class WXDLLEXPORT wxBitmapHandler;
-
public:
// default ctor creates an invalid bitmap, you must Create() it later
wxBitmap() { Init(); }
wxBitmap(const char bits[], int width, int height, int depth = 1);
// Initialize with XPM data
- wxBitmap(char **data, wxControl *anItem = NULL);
+ wxBitmap(const char **data) { CreateFromXpm(data); }
+ wxBitmap(char **data) { CreateFromXpm((const char **)data); }
// Load a file or resource
- wxBitmap(const wxString& name, long type = wxBITMAP_TYPE_BMP_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
+ // Create a new, uninitialized bitmap of the given size and depth (if it
+ // is omitted, will create a bitmap compatible with the display)
+ //
+ // NB: this ctor will create a DIB for 24 and 32bpp bitmaps, use ctor
+ // taking a DC argument if you want to force using DDB in this case
wxBitmap(int width, int height, int depth = -1);
+ // Create a bitmap compatible with the given DC
+ wxBitmap(int width, int height, const wxDC& dc);
+
+#if wxUSE_IMAGE && wxUSE_WXDIB
+ // Convert from wxImage
+ wxBitmap(const wxImage& image, int depth = -1)
+ { (void)CreateFromImage(image, depth); }
+
+ // Create a DDB compatible with the given DC from wxImage
+ wxBitmap(const wxImage& image, const wxDC& dc)
+ { (void)CreateFromImage(image, dc); }
+#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); }
return *this;
}
+ wxBitmap& operator=(const wxCursor& cursor)
+ {
+ (void)CopyFromCursor(cursor);
+
+ return *this;
+ }
+
virtual ~wxBitmap();
+#if wxUSE_IMAGE && wxUSE_WXDIB
+ 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);
+
+#if wxUSE_WXDIB
+ // copies from a device independent bitmap
+ bool CopyFromDIB(const wxDIB& dib);
+#endif
+
virtual bool Create(int width, int height, int depth = -1);
+ virtual bool Create(int width, int height, const wxDC& dc);
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);
- 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);
-#if WXWIN_COMPATIBILITY
- wxPalette *GetColourMap() const { return GetPalette(); }
- void SetColourMap(wxPalette *cmap) { SetPalette(*cmap); };
-#endif
- wxPalette* GetPalette() const { return (M_BITMAPDATA ? (& M_BITMAPDATA->m_bitmapPalette) : (wxPalette*) NULL); }
+ wxBitmapRefData *GetBitmapData() const
+ { return (wxBitmapRefData *)m_refData; }
+
+ // raw bitmap access support functions
+ void *GetRawData(wxPixelDataBase& data, int bpp);
+ void UngetRawData(wxPixelDataBase& data);
+
+#if wxUSE_PALETTE
+ wxPalette* GetPalette() const;
void SetPalette(const wxPalette& palette);
+#endif // wxUSE_PALETTE
- wxMask *GetMask() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_bitmapMask : (wxMask*) NULL); }
- void SetMask(wxMask *mask) ;
+ wxMask *GetMask() const;
+ void SetMask(wxMask *mask);
- bool operator==(const wxBitmap& bitmap) { return m_refData == bitmap.m_refData; }
- bool operator!=(const wxBitmap& bitmap) { return m_refData != bitmap.m_refData; }
+ bool operator==(const wxBitmap& bitmap) const { return m_refData == bitmap.m_refData; }
+ bool operator!=(const wxBitmap& bitmap) const { 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);
+ // these functions are internal and shouldn't be used, they risk to
+ // disappear in the future
+ bool HasAlpha() const;
+ void UseAlpha();
- static void InitStandardHandlers();
- static void CleanUpHandlers();
+#if WXWIN_COMPATIBILITY_2_4
+ // these functions do nothing and are only there for backwards
+ // compatibility
+ wxDEPRECATED( int GetQuality() const );
+ wxDEPRECATED( void SetQuality(int quality) );
+#endif // WXWIN_COMPATIBILITY_2_4
-protected:
- static wxList sm_handlers;
+ // implementation only from now on
+ // -------------------------------
- // Implementation
public:
- void SetHBITMAP(WXHBITMAP bmp);
- WXHBITMAP GetHBITMAP() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_hBitmap : 0); }
- void SetSelectedInto(wxDC *dc) { if (M_BITMAPDATA) M_BITMAPDATA->m_selectedInto = dc; }
- wxDC *GetSelectedInto() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_selectedInto : (wxDC*) 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;
+ void SetHBITMAP(WXHBITMAP bmp) { SetHandle((WXHANDLE)bmp); }
+ WXHBITMAP GetHBITMAP() const { return (WXHBITMAP)GetHandle(); }
+
+#ifdef __WXDEBUG__
+ void SetSelectedInto(wxDC *dc);
+ wxDC *GetSelectedInto() const;
+#endif // __WXDEBUG__
protected:
// common part of all ctors
void Init();
+ virtual wxGDIImageRefData *CreateData() const;
+ virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
+
+ // creates the bitmap from XPM data, supposed to be called from ctor
+ bool CreateFromXpm(const char **bits);
+
+ // creates an uninitialized bitmap, called from Create()s above
+ bool DoCreate(int w, int h, int depth, WXHDC hdc);
+
+#if wxUSE_IMAGE && wxUSE_WXDIB
+ // creates the bitmap from wxImage, supposed to be called from ctor
+ bool CreateFromImage(const wxImage& image, int depth);
+
+ // creates a DDB from wxImage, supposed to be called from ctor
+ bool CreateFromImage(const wxImage& image, const wxDC& dc);
+
+ // common part of the 2 methods above (hdc may be 0)
+ bool CreateFromImage(const wxImage& image, int depth, WXHDC hdc);
+#endif // wxUSE_IMAGE
+
private:
+#ifdef __WIN32__
+ // common part of CopyFromIcon/CopyFromCursor for Win32
+ bool CopyFromIconOrCursor(const wxGDIImage& icon);
+#endif // __WIN32__
+
DECLARE_DYNAMIC_CLASS(wxBitmap)
};
+// ----------------------------------------------------------------------------
+// wxMask: a mono bitmap used for drawing bitmaps transparently.
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxMask : public wxObject
+{
+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);
+
+ // construct a mask from the givne bitmap handle
+ wxMask(WXHBITMAP hbmp) { m_maskBitmap = hbmp; }
+
+ 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; }
+
+protected:
+ WXHBITMAP m_maskBitmap;
+
+ 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