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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved *
// **************************************************************************
#include "resources.h"
#include <memory>
#include <wx/wfstream.h>
#include <wx/zipstrm.h>
#include <wx/image.h>
#include <wx/mstream.h>
#include "ffs_paths.h"
using namespace zen;
const GlobalResources& GlobalResources::instance()
{
static GlobalResources inst;
return inst;
}
namespace
{
void loadAnimFromZip(wxZipInputStream& zipInput, wxAnimation& anim)
{
//Workaround for wxWidgets:
//construct seekable input stream (zip-input stream is non-seekable) for wxAnimation::Load()
//luckily this method call is very fast: below measurement precision!
std::vector<char> data;
data.reserve(10000);
int newValue = 0;
while ((newValue = zipInput.GetC()) != wxEOF)
data.push_back(newValue);
wxMemoryInputStream seekAbleStream(&data.front(), data.size()); //stream does not take ownership of data
anim.Load(seekAbleStream, wxANIMATION_TYPE_GIF);
}
}
GlobalResources::GlobalResources()
{
wxFFileInputStream input(toWx(zen::getResourceDir()) + L"Resources.zip");
if (input.IsOk()) //if not... we don't want to react too harsh here
{
//activate support for .png files
wxImage::AddHandler(new wxPNGHandler); //ownership passed
wxZipInputStream resourceFile(input, wxConvUTF8);
//do NOT rely on wxConvLocal! ON failure shows unhelpful popup "Cannot convert from the charset 'Unknown encoding (-1)'!"
while (true)
{
std::unique_ptr<wxZipEntry> entry(resourceFile.GetNextEntry()); //take ownership!
if (entry.get() == nullptr)
break;
const wxString name = entry->GetName();
//generic image loading
if (name.EndsWith(L".png"))
bitmaps.insert(std::make_pair(name, wxImage(resourceFile, wxBITMAP_TYPE_PNG)));
else if (name == L"wink.gif")
loadAnimFromZip(resourceFile, aniWink);
else if (name == L"working.gif")
loadAnimFromZip(resourceFile, aniSync);
}
}
#ifdef FFS_WIN
//for compatibility it seems we need to stick with a "real" icon
programIcon = wxIcon(L"A_PROGRAM_ICON");
#else
//use big logo bitmap for better quality
programIcon.CopyFromBitmap(getImageInt(L"FreeFileSync.png"));
//attention: this is the reason we need a member getImage -> it must not implicitly create static object instance!!!
//erroneously calling static object constructor twice will deadlock on Linux!!
#endif
}
const wxBitmap& GlobalResources::getImageInt(const wxString& imageName) const
{
auto iter = bitmaps.find(!contains(imageName, L'.') ? //assume .png ending if nothing else specified
imageName + L".png" :
imageName);
if (iter != bitmaps.end())
return iter->second;
else
{
assert(false);
return wxNullBitmap;
}
}
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