Method loadSampledImage

trunk/win/Source/BT_GLTextureManager.cpp:449–599

}

int GLTextureManager::loadSampledImage(const GLTextureObject& obj)
{
	// ConsoleWriteGuard guard(QString("\t\tloadSampledImage: %1").arg(obj.key));

	// initialize COM on this thread for the win32 icon extraction calls
	COMOLEResourceInitializer comOLEResource;

	bool thumbnailLoaded = false;

	// try and load the thumbnail from window's thumbs db
	int ilImageId = -1;
	/* TODO: reimplement BT_ThumbsDBReader
	if (winOS->IsWindowsVersion(WindowsXP))
	{
		byte * data = NULL;
		size_t numBytes = 0;

		// find the thumbnailer and load the thumbnail data
		QString lowerPath = native(parent(obj.srcPath)).toLower();
		_thumbsDbsMutex.lock();
			ThumbsDbs::const_iterator iter = _thumbsDbs.find(lowerPath);
			if (iter != _thumbsDbs.end())
			{
				QString fileName = filename(obj.srcPath);
				data = iter.value()->getThumbData((LPCWSTR) fileName.utf16(), numBytes);
			}
		_thumbsDbsMutex.unlock();

		// load the thumbnail data into an IL image
		if (data && numBytes > 0)
		{
			TRY_SLEEP_LOCK(_ilMutex)
				int imgId = ilGenImage();
				ilBindImage(imgId);
				if (ilLoadL(IL_JPG, data, numBytes))
				{
					// convert the image to bgra if necessary
					if (ilGetInteger(IL_IMAGE_FORMAT) != IL_BGR)
						ilConvertImage(IL_BGR, IL_UNSIGNED_BYTE);

					// flip windows bitmaps since they are defined differently
					iluRotate(-180.0f);
					ilImageId = imgId;
				}
			_ilMutex.unlock();

			// free the thumbs db image memory
			SAFE_DELETE_ARRAY(data);
		}
	}
	else*/
	if (winOS->IsWindowsVersionGreaterThanOrEqualTo(WindowsVista))
	{
		// run the process to make sure it's up to date
		TRY_SLEEP_LOCK(_ilMutex);
			QString cacheDir = native(_cacheDirectory);
		_ilMutex.unlock();
		ensurePathSlash(cacheDir);