wxWidgets/include/wx/msw/icon.h
Vadim Zeitlin d78696243b Set scale factor correctly for icons loaded from resources
::LoadIcon() selects the icon of scaled size in the DPI-aware programs,
which is nice, but only works right if we actually set the scale factor
for the icon correctly.
2021-12-16 01:17:35 +00:00

98 lines
2.9 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/icon.h
// Purpose: wxIcon class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_ICON_H_
#define _WX_ICON_H_
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/msw/gdiimage.h"
// ---------------------------------------------------------------------------
// icon data
// ---------------------------------------------------------------------------
// notice that although wxIconRefData inherits from wxBitmapRefData, it is not
// a valid wxBitmapRefData
class WXDLLIMPEXP_CORE wxIconRefData : public wxGDIImageRefData
{
public:
wxIconRefData() { }
virtual ~wxIconRefData() { Free(); }
virtual void Free() wxOVERRIDE;
};
// ---------------------------------------------------------------------------
// Icon
// ---------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxIcon : public wxGDIImage
{
public:
// ctors
// default
wxIcon() { }
// from raw data
wxIcon(const char bits[], int width, int height);
// from XPM data
wxIcon(const char* const* data) { CreateIconFromXpm(data); }
// from resource/file
wxIcon(const wxString& name,
wxBitmapType type = wxICON_DEFAULT_TYPE,
int desiredWidth = -1, int desiredHeight = -1);
wxIcon(const wxIconLocation& loc);
virtual ~wxIcon();
virtual bool LoadFile(const wxString& name,
wxBitmapType type = wxICON_DEFAULT_TYPE,
int desiredWidth = -1, int desiredHeight = -1);
bool CreateFromHICON(WXHICON icon);
// implementation only from now on
wxIconRefData *GetIconData() const { return (wxIconRefData *)m_refData; }
#if WXWIN_COMPATIBILITY_3_0
wxDEPRECATED_INLINE(void SetHICON(WXHICON icon), SetHandle((WXHANDLE)icon); )
#endif // WXWIN_COMPATIBILITY_3_0
WXHICON GetHICON() const { return (WXHICON)GetHandle(); }
bool InitFromHICON(WXHICON icon, int width, int height, double scale = 1.0);
// create from bitmap (which should have a mask unless it's monochrome):
// there shouldn't be any implicit bitmap -> icon conversion (i.e. no
// ctors, assignment operators...), but it's ok to have such function
void CopyFromBitmap(const wxBitmap& bmp);
protected:
virtual wxGDIImageRefData *CreateData() const wxOVERRIDE
{
return new wxIconRefData;
}
virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const wxOVERRIDE;
// create from XPM data
void CreateIconFromXpm(const char* const* data);
private:
wxDECLARE_DYNAMIC_CLASS(wxIcon);
};
#endif
// _WX_ICON_H_