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__) || defined(__WXMAC__) || defined(__WXGTK__) \
  23     || defined(__WXMOTIF__) || defined(__WXX11__)
  24
  25 #include "wx/setup.h"
  26 #include "wx/utils.h"
  27 #include "wx/palette.h"
  28 #include "wx/bitmap.h"
  29 #include "wx/icon.h"
  30 #include "wx/log.h"
  31 #include "wx/image.h"
  32 #include "wx/module.h"
  33
  34 IMPLEMENT_ABSTRACT_CLASS(wxBitmapBase, wxGDIObject)
  35 IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandlerBase,wxObject)
  36
  37 wxList wxBitmapBase::sm_handlers;
  38
  39 void wxBitmapBase::AddHandler(wxBitmapHandlerBase *handler)
  40 {
  41     sm_handlers.Append(handler);
  42 }
  43
  44 void wxBitmapBase::InsertHandler(wxBitmapHandlerBase *handler)
  45 {
  46     sm_handlers.Insert(handler);
  47 }
  48
  49 bool wxBitmapBase::RemoveHandler(const wxString& name)
  50 {
  51     wxBitmapHandler *handler = FindHandler(name);
  52     if ( handler )
  53     {
  54         sm_handlers.DeleteObject(handler);
  55         return true;
  56     }
  57     else
  58         return false;
  59 }
  60
  61 wxBitmapHandler *wxBitmapBase::FindHandler(const wxString& name)
  62 {
  63     wxList::compatibility_iterator node = sm_handlers.GetFirst();
  64     while ( node )
  65     {
  66         wxBitmapHandler *handler = (wxBitmapHandler *)node->GetData();
  67         if ( handler->GetName() == name )
  68             return handler;
  69         node = node->GetNext();
  70     }
  71     return NULL;
  72 }
  73
  74 wxBitmapHandler *wxBitmapBase::FindHandler(const wxString& extension, wxBitmapType bitmapType)
  75 {
  76     wxList::compatibility_iterator node = sm_handlers.GetFirst();
  77     while ( node )
  78     {
  79         wxBitmapHandler *handler = (wxBitmapHandler *)node->GetData();
  80         if ( handler->GetExtension() == extension &&
  81                     (bitmapType == -1 || handler->GetType() == bitmapType) )
  82             return handler;
  83         node = node->GetNext();
  84     }
  85     return NULL;
  86 }
  87
  88 wxBitmapHandler *wxBitmapBase::FindHandler(wxBitmapType bitmapType)
  89 {
  90     wxList::compatibility_iterator node = sm_handlers.GetFirst();
  91     while ( node )
  92     {
  93         wxBitmapHandler *handler = (wxBitmapHandler *)node->GetData();
  94         if (handler->GetType() == bitmapType)
  95             return handler;
  96         node = node->GetNext();
  97     }
  98     return NULL;
  99 }
 100
 101 void wxBitmapBase::CleanUpHandlers()
 102 {
 103     wxList::compatibility_iterator node = sm_handlers.GetFirst();
 104     while ( node )
 105     {
 106         wxBitmapHandler *handler = (wxBitmapHandler *)node->GetData();
 107         wxList::compatibility_iterator next = node->GetNext();
 108         delete handler;
 109         sm_handlers.Erase(node);
 110         node = next;
 111     }
 112 }
 113
 114 class wxBitmapBaseModule: public wxModule
 115 {
 116 DECLARE_DYNAMIC_CLASS(wxBitmapBaseModule)
 117 public:
 118     wxBitmapBaseModule() {}
 119     bool OnInit() { wxBitmap::InitStandardHandlers(); return true; };
 120     void OnExit() { wxBitmap::CleanUpHandlers(); };
 121 };
 122
 123 IMPLEMENT_DYNAMIC_CLASS(wxBitmapBaseModule, wxModule)
 124
 125 #endif // defined(__WXMGL__) || defined(__WXMAC__) || defined(__WXCOCOA__) || defined(__WXMOTIF__) || defined(__WXX11__)
 126