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