src/cocoa/icon.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/icon.mm
   3 // Purpose:     wxIcon class
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/08/11
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWidgets licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/icon.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/bitmap.h"
  18 #endif //WX_PRECOMP
  19
  20 #include "wx/cocoa/autorelease.h"
  21
  22 #import <AppKit/NSImage.h>
  23
  24 // ========================================================================
  25 // wxIconRefData
  26 // ========================================================================
  27 class wxIconRefData: public wxGDIRefData
  28 {
  29     friend class wxIcon;
  30 public:
  31     wxIconRefData();
  32     wxIconRefData( const wxIconRefData& data );
  33     virtual ~wxIconRefData();
  34
  35 protected:
  36     int                 m_width;
  37     int                 m_height;
  38     int                 m_depth;
  39     bool                m_ok;
  40     int                 m_numColors;
  41     int                 m_quality;
  42     WX_NSImage          m_cocoaNSImage;
  43 };
  44
  45 #define M_ICONDATA ((wxIconRefData *)m_refData)
  46
  47 wxIconRefData::wxIconRefData()
  48 {
  49     m_ok = false;
  50     m_width = 0;
  51     m_height = 0;
  52     m_depth = 0;
  53     m_quality = 0;
  54     m_numColors = 0;
  55     m_cocoaNSImage = nil;
  56 }
  57
  58 wxIconRefData::wxIconRefData( const wxIconRefData& data)
  59 {
  60     m_width = data.m_width;
  61     m_height = data.m_height;
  62     m_depth = data.m_depth;
  63     m_ok = data.m_ok;
  64     m_numColors = data.m_numColors;
  65     m_quality = data.m_quality;
  66     m_cocoaNSImage = [data.m_cocoaNSImage copyWithZone:nil];
  67 }
  68
  69 wxIconRefData::~wxIconRefData()
  70 {
  71     wxAutoNSAutoreleasePool pool;
  72     [m_cocoaNSImage release];
  73     m_cocoaNSImage = NULL;
  74 }
  75
  76
  77 // ========================================================================
  78 // wxIcon
  79 // ========================================================================
  80 IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxGDIObject)
  81
  82 wxIcon::wxIcon()
  83 {
  84 }
  85
  86 wxIcon::wxIcon(const char WXUNUSED(bits)[], int WXUNUSED(width), int WXUNUSED(height))
  87 {
  88 }
  89
  90 wxIcon::wxIcon(const wxString& icon_file, int flags,
  91     int desiredWidth, int desiredHeight)
  92
  93 {
  94     LoadFile(icon_file, (wxBitmapType)flags, desiredWidth, desiredHeight);
  95 }
  96
  97 wxIcon::~wxIcon()
  98 {
  99 }
 100
 101 bool wxIcon::CreateFromXpm(const char **xpm)
 102 {
 103     wxBitmap bitmap(xpm);
 104     CopyFromBitmap(bitmap);
 105     return Ok();
 106 }
 107
 108 bool wxIcon::LoadFile(const wxString& filename, wxBitmapType type,
 109     int desiredWidth, int desiredHeight)
 110 {
 111     wxBitmap bitmap(filename, type);
 112     CopyFromBitmap(bitmap);
 113     return bitmap.Ok();
 114 }
 115
 116 void wxIcon::CopyFromBitmap(const wxBitmap& bitmap)
 117 {
 118     UnRef();
 119     m_refData = new wxIconRefData;
 120     M_ICONDATA->m_width = bitmap.GetWidth();
 121     M_ICONDATA->m_height = bitmap.GetHeight();
 122     wxAutoNSAutoreleasePool pool;
 123     M_ICONDATA->m_cocoaNSImage = [bitmap.GetNSImage(true) retain];
 124     M_ICONDATA->m_ok = bitmap.Ok();
 125     M_ICONDATA->m_numColors = 0;
 126     M_ICONDATA->m_quality = 0;
 127 }
 128
 129 bool wxIcon::IsOk() const
 130 {
 131     return m_refData && M_ICONDATA->m_ok;
 132 }
 133
 134 int wxIcon::GetWidth() const
 135 {
 136     if(!m_refData)
 137         return 0;
 138     return M_ICONDATA->m_width;
 139 }
 140
 141 int wxIcon::GetHeight() const
 142 {
 143     if(!m_refData)
 144         return 0;
 145     return M_ICONDATA->m_height;
 146 }
 147
 148 WX_NSImage wxIcon::GetNSImage() const
 149 {
 150     if(!M_ICONDATA)
 151         return nil;
 152     return M_ICONDATA->m_cocoaNSImage;
 153 }