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1. wxIcon/wxCursor change, wxGDIImage class added

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2. wxCriticalSection doesn't alloc memory any more
3. many minor fixes in bitmap/icon code


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4673 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-11-24 12:30:56 +00:00
parent 162999bfb7
commit 6d167489bd
19 changed files with 906 additions and 900 deletions
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289
include/wx/msw/bitmap.h
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@@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////////
// Name: bitmap.h
// Name: wx/msw/bitmap.h
// Purpose: wxBitmap class
// Author: Julian Smart
// Modified by:
@@ -16,109 +16,57 @@
#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;
// A mask is a mono bitmap used for drawing bitmaps
// transparently.
class WXDLLEXPORT wxMask: public wxObject
// ----------------------------------------------------------------------------
// Bitmap data
//
// NB: this class is private, but declared here to make it possible inline
// wxBitmap functions accessing it
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxBitmapRefData : public wxGDIImageRefData
{
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();
virtual ~wxBitmapRefData() { Free(); }
virtual void Free();
public:
int m_width;
int m_height;
int m_depth;
bool m_ok;
int m_numColors;
wxPalette m_bitmapPalette;
int m_quality;
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
// MSW-specific
// ------------
// 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;
// optional mask for transparent drawing
wxMask *m_bitmapMask;
};
#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(); }
@@ -159,82 +107,169 @@ public:
return *this;
}
wxBitmap& operator=(const wxCursor& cursor)
{
(void)CopyFromCursor(cursor);
return *this;
}
virtual ~wxBitmap();
// 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);
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);
wxBitmapRefData *GetBitmapData() const { return (wxBitmapRefData *)m_refData; }
int GetQuality() const { return (GetBitmapData() ? GetBitmapData()->m_quality : 0); }
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); }
wxPalette* GetPalette() const { return (GetBitmapData() ? (& GetBitmapData()->m_bitmapPalette) : (wxPalette*) NULL); }
void SetPalette(const wxPalette& palette);
wxMask *GetMask() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_bitmapMask : (wxMask*) NULL); }
wxMask *GetMask() const { return (GetBitmapData() ? GetBitmapData()->m_bitmapMask : (wxMask*) NULL); }
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; }
// 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);
#if WXWIN_COMPATIBILITY_2
void SetOk(bool isOk);
#endif // WXWIN_COMPATIBILITY_2
static void InitStandardHandlers();
static void CleanUpHandlers();
protected:
static wxList sm_handlers;
#if WXWIN_COMPATIBILITY
wxPalette *GetColourMap() const { return GetPalette(); }
void SetColourMap(wxPalette *cmap) { SetPalette(*cmap); };
#endif // WXWIN_COMPATIBILITY
// 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);
void SetHBITMAP(WXHBITMAP bmp) { SetHandle((WXHANDLE)bmp); }
WXHBITMAP GetHBITMAP() const { return (WXHBITMAP)GetHandle(); }
// 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>
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:
// common part of all ctors
void Init();
virtual wxGDIImageRefData *CreateData() const
{ return new wxBitmapRefData; }
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_