b5dbe15d0b
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47254 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
358 lines
11 KiB
C++
358 lines
11 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/os2/bitmap.h
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// Purpose: wxBitmap class
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// Author: David Webster
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// Modified by:
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// Created: 11/28/99
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// RCS-ID: $Id$
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// Copyright: (c) David Webster
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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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#include "wx/os2/private.h"
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#include "wx/os2/gdiimage.h"
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#include "wx/gdicmn.h"
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#include "wx/palette.h"
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class WXDLLIMPEXP_FWD_CORE wxDC;
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class WXDLLIMPEXP_FWD_CORE wxControl;
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class WXDLLIMPEXP_FWD_CORE wxBitmap;
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class WXDLLIMPEXP_FWD_CORE wxBitmapHandler;
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class WXDLLIMPEXP_FWD_CORE wxIcon;
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class WXDLLIMPEXP_FWD_CORE wxMask;
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class WXDLLIMPEXP_FWD_CORE wxCursor;
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class WXDLLIMPEXP_FWD_CORE wxControl;
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class WXDLLIMPEXP_FWD_CORE wxImage;
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// ----------------------------------------------------------------------------
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// Bitmap data
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//
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// NB: this class is private, but declared here to make it possible inline
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// wxBitmap functions accessing it
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxBitmapRefData : public wxGDIImageRefData
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{
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public:
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wxBitmapRefData();
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wxBitmapRefData(const wxBitmapRefData &tocopy);
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virtual ~wxBitmapRefData() { Free(); }
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virtual void Free();
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public:
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int m_nNumColors;
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wxPalette m_vBitmapPalette;
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int m_nQuality;
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// OS2-specific
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// ------------
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wxDC* m_pSelectedInto;
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//
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// Optional mask for transparent drawing
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//
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wxMask* m_pBitmapMask;
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}; // end of CLASS wxBitmapRefData
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// ----------------------------------------------------------------------------
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// wxBitmap: a mono or colour bitmap
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxBitmap : public wxGDIImage
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{
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public:
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// default ctor creates an invalid bitmap, you must Create() it later
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wxBitmap() { Init(); }
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// Copy constructors
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inline wxBitmap(const wxBitmap& rBitmap)
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: wxGDIImage(rBitmap)
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{
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Init();
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SetHandle(rBitmap.GetHandle());
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}
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// Initialize with raw data
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wxBitmap( const char bits[]
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,int nWidth
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,int nHeight
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,int nDepth = 1
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);
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// Initialize with XPM data
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wxBitmap(const char* const* bits);
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#ifdef wxNEEDS_CHARPP
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// needed for old GCC
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wxBitmap(char** data)
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{
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*this = wxBitmap(wx_const_cast(const char* const*, data));
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}
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#endif
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// Load a resource
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wxBitmap( int nId
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,long lType = wxBITMAP_TYPE_BMP_RESOURCE
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);
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// For compatiability with other ports, under OS/2 does same as default ctor
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inline wxBitmap( const wxString& WXUNUSED(rFilename)
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,long WXUNUSED(lType)
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)
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{ Init(); }
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// New constructor for generalised creation from data
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wxBitmap( const void* pData
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,long lType
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,int nWidth
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,int nHeight
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,int nDepth = 1
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);
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// If depth is omitted, will create a bitmap compatible with the display
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wxBitmap( int nWidth, int nHeight, int nDepth = -1 );
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wxBitmap( const wxImage& image, int depth = -1 )
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{ (void)CreateFromImage(image, depth); }
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// we must have this, otherwise icons are silently copied into bitmaps using
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// the copy ctor but the resulting bitmap is invalid!
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inline wxBitmap(const wxIcon& rIcon)
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{ Init(); CopyFromIcon(rIcon); }
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wxBitmap& operator=(const wxIcon& rIcon)
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{
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(void)CopyFromIcon(rIcon);
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return(*this);
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}
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wxBitmap& operator=(const wxCursor& rCursor)
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{
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(void)CopyFromCursor(rCursor);
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return (*this);
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}
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virtual ~wxBitmap();
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wxImage ConvertToImage() const;
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// get the given part of bitmap
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wxBitmap GetSubBitmap(const wxRect& rRect) const;
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// copies the contents and mask of the given (colour) icon to the bitmap
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bool CopyFromIcon(const wxIcon& rIcon);
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// copies the contents and mask of the given cursor to the bitmap
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bool CopyFromCursor(const wxCursor& rCursor);
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virtual bool Create( int nWidth
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,int nHeight
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,int nDepth = -1
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);
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virtual bool Create( const void* pData
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,long lType
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,int nWidth
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,int nHeight
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,int nDepth = 1
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);
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virtual bool LoadFile( int nId
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,long lType = wxBITMAP_TYPE_BMP_RESOURCE
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);
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virtual bool LoadFile( const wxString& rName
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,long lType = wxBITMAP_TYPE_XPM
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);
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virtual bool SaveFile( const wxString& rName
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,int lType
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,const wxPalette* pCmap = NULL
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);
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inline wxBitmapRefData* GetBitmapData() const
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{ return (wxBitmapRefData *)m_refData; }
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inline int GetQuality() const
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{ return (GetBitmapData() ? GetBitmapData()->m_nQuality : 0); }
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void SetQuality(int nQ);
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wxPalette* GetPalette() const
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{ return (GetBitmapData() ? (& GetBitmapData()->m_vBitmapPalette) : (wxPalette*) NULL); }
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void SetPalette(const wxPalette& rPalette);
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inline wxMask* GetMask() const
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{ return (GetBitmapData() ? GetBitmapData()->m_pBitmapMask : (wxMask*) NULL); }
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void SetMask(wxMask* pMask) ;
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// Implementation
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public:
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inline void SetHBITMAP(WXHBITMAP hBmp)
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{ SetHandle((WXHANDLE)hBmp); }
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inline WXHBITMAP GetHBITMAP() const
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{ return (WXHBITMAP)GetHandle(); }
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inline void SetSelectedInto(wxDC* pDc)
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{ if (GetBitmapData()) GetBitmapData()->m_pSelectedInto = pDc; }
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inline wxDC* GetSelectedInto() const
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{ return (GetBitmapData() ? GetBitmapData()->m_pSelectedInto : (wxDC*) NULL); }
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inline bool IsMono(void) const { return m_bIsMono; }
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// An OS/2 version that probably doesn't do anything like the msw version
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wxBitmap GetBitmapForDC(wxDC& rDc) const;
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protected:
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// common part of all ctors
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void Init();
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inline virtual wxGDIImageRefData* CreateData() const
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{ return new wxBitmapRefData; }
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bool CreateFromImage(const wxImage& image, int depth);
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// ref counting code
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virtual wxObjectRefData *CreateRefData() const;
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virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
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private:
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bool CopyFromIconOrCursor(const wxGDIImage& rIcon);
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bool m_bIsMono;
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DECLARE_DYNAMIC_CLASS(wxBitmap)
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}; // end of CLASS wxBitmap
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// ----------------------------------------------------------------------------
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// wxMask: a mono bitmap used for drawing bitmaps transparently.
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxMask : public wxObject
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{
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public:
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wxMask();
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wxMask( const wxMask& tocopy);
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// Construct a mask from a bitmap and a colour indicating the transparent
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// area
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wxMask( const wxBitmap& rBitmap
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,const wxColour& rColour
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);
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// Construct a mask from a bitmap and a palette index indicating the
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// transparent area
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wxMask( const wxBitmap& rBitmap
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,int nPaletteIndex
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);
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// Construct a mask from a mono bitmap (copies the bitmap).
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wxMask(const wxBitmap& rBitmap);
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// construct a mask from the givne bitmap handle
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wxMask(WXHBITMAP hBmp)
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{ m_hMaskBitmap = hBmp; }
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virtual ~wxMask();
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bool Create( const wxBitmap& bitmap
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,const wxColour& rColour
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);
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bool Create( const wxBitmap& rBitmap
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,int nPaletteIndex
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);
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bool Create(const wxBitmap& rBitmap);
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// Implementation
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WXHBITMAP GetMaskBitmap() const
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{ return m_hMaskBitmap; }
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void SetMaskBitmap(WXHBITMAP hBmp)
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{ m_hMaskBitmap = hBmp; }
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protected:
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WXHBITMAP m_hMaskBitmap;
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DECLARE_DYNAMIC_CLASS(wxMask)
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}; // end of CLASS wxMask
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// ----------------------------------------------------------------------------
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// wxBitmapHandler is a class which knows how to load/save bitmaps to/from file
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxBitmapHandler : public wxGDIImageHandler
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{
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public:
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inline wxBitmapHandler()
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{ m_lType = wxBITMAP_TYPE_INVALID; }
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inline wxBitmapHandler( const wxString& rName
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,const wxString& rExt
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,long lType
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)
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: wxGDIImageHandler( rName
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,rExt
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,lType)
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{
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}
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// keep wxBitmapHandler derived from wxGDIImageHandler compatible with the
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// old class which worked only with bitmaps
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virtual bool Create( wxBitmap* pBitmap
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,const void* pData
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,long lFlags
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,int nWidth
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,int nHeight
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,int nDepth = 1
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);
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virtual bool LoadFile( wxBitmap* pBitmap
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,int nId
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,long lFlags
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,int nDesiredWidth
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,int nDesiredHeight
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);
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virtual bool LoadFile( wxBitmap* pBitmap
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,const wxString& rName
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,long lFlags
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,int nDesiredWidth
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,int nDesiredHeight
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);
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virtual bool SaveFile( wxBitmap* pBitmap
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,const wxString& rName
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,int lType
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,const wxPalette* pPalette = NULL
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);
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virtual bool Create( wxGDIImage* pImage
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,const void* pData
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,long lFlags
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,int nWidth
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,int nHeight
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,int nDepth = 1
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);
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virtual bool Load( wxGDIImage* pImage
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,int nId
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,long lFlags
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,int nDesiredWidth
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,int nDesiredHeight
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);
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virtual bool Save( wxGDIImage* pImage
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,const wxString& rName
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,int lType
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);
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private:
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inline virtual bool Load( wxGDIImage* WXUNUSED(pImage)
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,const wxString& WXUNUSED(rName)
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,HPS WXUNUSED(hPs)
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,long WXUNUSED(lFlags)
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,int WXUNUSED(nDesiredWidth)
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,int WXUNUSED(nDesiredHeight)
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)
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{ return false; }
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DECLARE_DYNAMIC_CLASS(wxBitmapHandler)
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}; // end of CLASS wxBitmapHandler
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#endif
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// _WX_BITMAP_H_
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