// Author: Vadim Zeitlin
// Modified by:
// Created: 20.11.99
-// RCS-ID: $Id$
// Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#include "wx/msw/dib.h"
#endif
+// By default, use PNG resource handler if we can, i.e. have support for
+// loading PNG images in the library. This symbol could be predefined as 0 to
+// avoid doing this if anybody ever needs to do it for some reason.
+#if !defined(wxUSE_PNG_RESOURCE_HANDLER) && wxUSE_LIBPNG && wxUSE_IMAGE
+ #define wxUSE_PNG_RESOURCE_HANDLER 1
+#endif
+
+#if wxUSE_PNG_RESOURCE_HANDLER
+ #include "wx/image.h"
+ #include "wx/utils.h" // For wxLoadUserResource()
+#endif
+
#ifdef __WXWINCE__
#include <winreg.h>
#include <shellapi.h>
DECLARE_DYNAMIC_CLASS(wxICOResourceHandler)
};
+#if wxUSE_PNG_RESOURCE_HANDLER
+
+class WXDLLEXPORT wxPNGResourceHandler : public wxBitmapHandler
+{
+public:
+ wxPNGResourceHandler() : wxBitmapHandler(wxS("Windows PNG resource"),
+ wxString(),
+ wxBITMAP_TYPE_PNG_RESOURCE)
+ {
+ }
+
+ virtual bool LoadFile(wxBitmap *bitmap,
+ const wxString& name, wxBitmapType flags,
+ int desiredWidth, int desiredHeight);
+
+private:
+ wxDECLARE_DYNAMIC_CLASS(wxPNGResourceHandler);
+};
+
+#endif // wxUSE_PNG_RESOURCE_HANDLER
+
// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
IMPLEMENT_DYNAMIC_CLASS(wxICOFileHandler, wxObject)
IMPLEMENT_DYNAMIC_CLASS(wxICOResourceHandler, wxObject)
+#if wxUSE_PNG_RESOURCE_HANDLER
+IMPLEMENT_DYNAMIC_CLASS(wxPNGResourceHandler, wxBitmapHandler)
+#endif // wxUSE_PNG_RESOURCE_HANDLER
// ----------------------------------------------------------------------------
// private functions
#ifndef __WXMICROWIN__
AddHandler(new wxBMPResourceHandler);
AddHandler(new wxBMPFileHandler);
- AddHandler(new wxICOResourceHandler);
AddHandler(new wxICOFileHandler);
+ AddHandler(new wxICOResourceHandler);
+#if wxUSE_PNG_RESOURCE_HANDLER
+ AddHandler(new wxPNGResourceHandler);
+#endif // wxUSE_PNG_RESOURCE_HANDLER
#endif
}
int WXUNUSED(desiredHeight))
{
// TODO: load colourmap.
- bitmap->SetHBITMAP((WXHBITMAP)::LoadBitmap(wxGetInstance(), name.wx_str()));
+ bitmap->SetHBITMAP((WXHBITMAP)::LoadBitmap(wxGetInstance(), name.t_str()));
- if ( !bitmap->Ok() )
+ if ( !bitmap->IsOk() )
{
// it's probably not found
wxLogError(wxT("Can't load bitmap '%s' from resources! Check .rc file."),
{
icon->UnRef();
- // actual size
- wxSize size;
-
HICON hicon = NULL;
// Parse the filename: it may be of the form "filename;n" in order to
desiredHeight == ::GetSystemMetrics(SM_CYICON) )
{
// get the specified large icon from file
- if ( !::ExtractIconEx(nameReal.wx_str(), iconIndex, &hicon, NULL, 1) )
+ if ( !::ExtractIconEx(nameReal.t_str(), iconIndex, &hicon, NULL, 1) )
{
// it is not an error, but it might still be useful to be informed
// about it optionally
desiredHeight == ::GetSystemMetrics(SM_CYSMICON) )
{
// get the specified small icon from file
- if ( !::ExtractIconEx(nameReal.wx_str(), iconIndex, NULL, &hicon, 1) )
+ if ( !::ExtractIconEx(nameReal.t_str(), iconIndex, NULL, &hicon, 1) )
{
wxLogTrace(wxT("iconload"),
wxT("No small icons found in the file '%s'."),
if ( !hicon )
{
// take any size icon from the file by index
- hicon = ::ExtractIcon(wxGetInstance(), nameReal.wx_str(), iconIndex);
+ hicon = ::ExtractIcon(wxGetInstance(), nameReal.t_str(), iconIndex);
}
#endif
return false;
}
- size = wxGetHiconSize(hicon);
+ if ( !icon->CreateFromHICON(hicon) )
+ return false;
- if ( (desiredWidth != -1 && desiredWidth != size.x) ||
- (desiredHeight != -1 && desiredHeight != size.y) )
+ if ( (desiredWidth != -1 && desiredWidth != icon->GetWidth()) ||
+ (desiredHeight != -1 && desiredHeight != icon->GetHeight()) )
{
wxLogTrace(wxT("iconload"),
wxT("Returning false from wxICOFileHandler::Load because of the size mismatch: actual (%d, %d), requested (%d, %d)"),
- size.x, size.y,
+ icon->GetWidth(), icon->GetHeight(),
desiredWidth, desiredHeight);
- ::DestroyIcon(hicon);
+ icon->UnRef();
return false;
}
- icon->SetHICON((WXHICON)hicon);
- icon->SetSize(size.x, size.y);
-
- return icon->Ok();
+ return true;
}
bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
// some icon rescaling internally which results in very ugly 16x16 icons
if ( hasSize )
{
- hicon = (HICON)::LoadImage(wxGetInstance(), name.wx_str(), IMAGE_ICON,
+ hicon = (HICON)::LoadImage(wxGetInstance(), name.t_str(), IMAGE_ICON,
desiredWidth, desiredHeight,
LR_DEFAULTCOLOR);
}
else
{
- hicon = ::LoadIcon(wxGetInstance(), name.wx_str());
+ hicon = ::LoadIcon(wxGetInstance(), name.t_str());
}
// next check if it's not a standard icon
}
#endif
- wxSize size = wxGetHiconSize(hicon);
- icon->SetSize(size.x, size.y);
+ return icon->CreateFromHICON((WXHICON)hicon);
+}
+
+#if wxUSE_PNG_RESOURCE_HANDLER
- icon->SetHICON((WXHICON)hicon);
+// ----------------------------------------------------------------------------
+// PNG handler
+// ----------------------------------------------------------------------------
- return icon->Ok();
+bool wxPNGResourceHandler::LoadFile(wxBitmap *bitmap,
+ const wxString& name,
+ wxBitmapType WXUNUSED(flags),
+ int WXUNUSED(desiredWidth),
+ int WXUNUSED(desiredHeight))
+{
+ const void* pngData = NULL;
+ size_t pngSize = 0;
+
+ // Currently we hardcode RCDATA resource type as this is what is usually
+ // used for the embedded images. We could allow specifying the type as part
+ // of the name in the future (e.g. "type:name" or something like this) if
+ // really needed.
+ if ( !wxLoadUserResource(&pngData, &pngSize,
+ name,
+ RT_RCDATA,
+ wxGetInstance()) )
+ {
+ // Notice that this message is not translated because only the
+ // programmer (and not the end user) can make any use of it.
+ wxLogError(wxS("Bitmap in PNG format \"%s\" not found, check ")
+ wxS("that the resource file contains \"RCDATA\" ")
+ wxS("resource with this name."),
+ name);
+
+ return false;
+ }
+
+ *bitmap = wxBitmap::NewFromPNGData(pngData, pngSize);
+ if ( !bitmap->IsOk() )
+ {
+ wxLogError(wxS("Couldn't load resource bitmap \"%s\" as a PNG. "),
+ wxS("Have you registered PNG image handler?"),
+ name);
+
+ return false;
+ }
+
+ return true;
}
+#endif // wxUSE_PNG_RESOURCE_HANDLER
+
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff