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 #endif //WX_PRECOMP
  18
  19 #include "wx/bitmap.h"
  20
  21 #include "wx/cocoa/autorelease.h"
  22
  23 #import <AppKit/NSImage.h>
  24
  25 // ========================================================================
  26 // wxIconRefData
  27 // ========================================================================
  28 class wxIconRefData: public wxGDIRefData
  29 {
  30     friend class wxIcon;
  31 public:
  32     wxIconRefData();
  33     wxIconRefData( const wxIconRefData& data );
  34     virtual ~wxIconRefData();
  35
  36 protected:
  37     int                 m_width;
  38     int                 m_height;
  39     int                 m_depth;
  40     bool                m_ok;
  41     int                 m_numColors;
  42     int                 m_quality;
  43     WX_NSImage          m_cocoaNSImage;
  44 };
  45
  46 #define M_ICONDATA ((wxIconRefData *)m_refData)
  47
  48 wxIconRefData::wxIconRefData()
  49 {
  50     m_ok = false;
  51     m_width = 0;
  52     m_height = 0;
  53     m_depth = 0;
  54     m_quality = 0;
  55     m_numColors = 0;
  56     m_cocoaNSImage = nil;
  57 }
  58
  59 wxIconRefData::wxIconRefData( const wxIconRefData& data)
  60 {
  61     m_width = data.m_width;
  62     m_height = data.m_height;
  63     m_depth = data.m_depth;
  64     m_ok = data.m_ok;
  65     m_numColors = data.m_numColors;
  66     m_quality = data.m_quality;
  67     m_cocoaNSImage = [data.m_cocoaNSImage copyWithZone:nil];
  68 }
  69
  70 wxIconRefData::~wxIconRefData()
  71 {
  72     wxAutoNSAutoreleasePool pool;
  73     [m_cocoaNSImage release];
  74     m_cocoaNSImage = NULL;
  75 }
  76
  77
  78 // ========================================================================
  79 // wxIcon
  80 // ========================================================================
  81 IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxGDIObject)
  82
  83 wxIcon::wxIcon()
  84 {
  85 }
  86
  87 wxIcon::wxIcon(const char WXUNUSED(bits)[], int WXUNUSED(width), int WXUNUSED(height))
  88 {
  89 }
  90
  91 wxIcon::wxIcon(const wxString& icon_file, int flags,
  92     int desiredWidth, int desiredHeight)
  93
  94 {
  95     LoadFile(icon_file, (wxBitmapType)flags, desiredWidth, desiredHeight);
  96 }
  97
  98 wxIcon::~wxIcon()
  99 {
 100 }
 101
 102 bool wxIcon::CreateFromXpm(const char **xpm)
 103 {
 104     wxBitmap bitmap(xpm);
 105     CopyFromBitmap(bitmap);
 106     return Ok();
 107 }
 108
 109 bool wxIcon::LoadFile(const wxString& filename, wxBitmapType type,
 110     int desiredWidth, int desiredHeight)
 111 {
 112     UnRef();
 113
 114     m_refData = new wxIconRefData;
 115     M_ICONDATA->m_width = 5;
 116     M_ICONDATA->m_height = 5;
 117     M_ICONDATA->m_cocoaNSImage = [[NSImage alloc] initWithSize:NSMakeSize(5,5)];
 118     M_ICONDATA->m_ok = true;
 119     M_ICONDATA->m_numColors = 0;
 120     M_ICONDATA->m_quality = 0;
 121
 122     return false;
 123 }
 124
 125 void wxIcon::CopyFromBitmap(const wxBitmap& bitmap)
 126 {
 127     UnRef();
 128     m_refData = new wxIconRefData;
 129     M_ICONDATA->m_width = bitmap.GetWidth();
 130     M_ICONDATA->m_height = bitmap.GetHeight();
 131     wxAutoNSAutoreleasePool pool;
 132     M_ICONDATA->m_cocoaNSImage = [bitmap.GetNSImage(true) retain];
 133     M_ICONDATA->m_ok = bitmap.Ok();
 134     M_ICONDATA->m_numColors = 0;
 135     M_ICONDATA->m_quality = 0;
 136 }
 137
 138 bool wxIcon::Ok() const
 139 {
 140     return m_refData && M_ICONDATA->m_ok;
 141 }
 142
 143 int wxIcon::GetWidth() const
 144 {
 145     if(!m_refData)
 146         return 0;
 147     return M_ICONDATA->m_width;
 148 }
 149
 150 int wxIcon::GetHeight() const
 151 {
 152     if(!m_refData)
 153         return 0;
 154     return M_ICONDATA->m_height;
 155 }
 156
 157 WX_NSImage wxIcon::GetNSImage() const
 158 {
 159     if(!M_ICONDATA)
 160         return nil;
 161     return M_ICONDATA->m_cocoaNSImage;
 162 }