src/common/bmpbase.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        bitmap.cpp
   3 // Purpose:     wxBitmapBase
   4 // Author:      VaclavSlavik
   5 // Created:     2001/04/11
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2001, Vaclav Slavik
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  12 #pragma implementation "bitmapbase.h"
  13 #endif
  14
  15 // For compilers that support precompilation, includes "wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19     #pragma hdrstop
  20 #endif
  21
  22 #if defined(__WXMGL__)   || \
  23     defined(__WXMAC__)   || \
  24     defined(__WXGTK__)   || \
  25     defined(__WXMOTIF__) || \
  26     defined(__WXX11__)
  27
  28 #include "wx/setup.h"
  29 #include "wx/utils.h"
  30 #include "wx/palette.h"
  31 #include "wx/bitmap.h"
  32 #include "wx/icon.h"
  33 #include "wx/log.h"
  34 #include "wx/image.h"
  35 #include "wx/module.h"
  36
  37 IMPLEMENT_ABSTRACT_CLASS(wxBitmapBase, wxGDIObject)
  38 IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandlerBase,wxObject)
  39
  40 wxList wxBitmapBase::sm_handlers;
  41
  42 void wxBitmapBase::AddHandler(wxBitmapHandlerBase *handler)
  43 {
  44     sm_handlers.Append(handler);
  45 }
  46
  47 void wxBitmapBase::InsertHandler(wxBitmapHandlerBase *handler)
  48 {
  49     sm_handlers.Insert(handler);
  50 }
  51
  52 bool wxBitmapBase::RemoveHandler(const wxString& name)
  53 {
  54     wxBitmapHandler *handler = FindHandler(name);
  55     if ( handler )
  56     {
  57         sm_handlers.DeleteObject(handler);
  58         return true;
  59     }
  60     else
  61         return false;
  62 }
  63
  64 wxBitmapHandler *wxBitmapBase::FindHandler(const wxString& name)
  65 {
  66     wxList::compatibility_iterator node = sm_handlers.GetFirst();
  67     while ( node )
  68     {
  69         wxBitmapHandler *handler = (wxBitmapHandler *)node->GetData();
  70         if ( handler->GetName() == name )
  71             return handler;
  72         node = node->GetNext();
  73     }
  74     return NULL;
  75 }
  76
  77 wxBitmapHandler *wxBitmapBase::FindHandler(const wxString& extension, wxBitmapType bitmapType)
  78 {
  79     wxList::compatibility_iterator node = sm_handlers.GetFirst();
  80     while ( node )
  81     {
  82         wxBitmapHandler *handler = (wxBitmapHandler *)node->GetData();
  83         if ( handler->GetExtension() == extension &&
  84                     (bitmapType == -1 || handler->GetType() == bitmapType) )
  85             return handler;
  86         node = node->GetNext();
  87     }
  88     return NULL;
  89 }
  90
  91 wxBitmapHandler *wxBitmapBase::FindHandler(wxBitmapType bitmapType)
  92 {
  93     wxList::compatibility_iterator node = sm_handlers.GetFirst();
  94     while ( node )
  95     {
  96         wxBitmapHandler *handler = (wxBitmapHandler *)node->GetData();
  97         if (handler->GetType() == bitmapType)
  98             return handler;
  99         node = node->GetNext();
 100     }
 101     return NULL;
 102 }
 103
 104 void wxBitmapBase::CleanUpHandlers()
 105 {
 106     wxList::compatibility_iterator node = sm_handlers.GetFirst();
 107     while ( node )
 108     {
 109         wxBitmapHandler *handler = (wxBitmapHandler *)node->GetData();
 110         wxList::compatibility_iterator next = node->GetNext();
 111         delete handler;
 112         sm_handlers.Erase(node);
 113         node = next;
 114     }
 115 }
 116
 117 class wxBitmapBaseModule: public wxModule
 118 {
 119 DECLARE_DYNAMIC_CLASS(wxBitmapBaseModule)
 120 public:
 121     wxBitmapBaseModule() {}
 122     bool OnInit() { wxBitmap::InitStandardHandlers(); return true; };
 123     void OnExit() { wxBitmap::CleanUpHandlers(); };
 124 };
 125
 126 IMPLEMENT_DYNAMIC_CLASS(wxBitmapBaseModule, wxModule)
 127
 128 #endif // __WXMGL__ || __WXMAC__ || __WXCOCOA__ || __WXMOTIF__ || __WXX11__