C++ VideoBuffer::Resize方法代码示例

RequestBroker::ProcessResponse ThumbRenderRequest::Process(RequestBroker & rb)
{
	VideoBuffer * thumbnail = SaveRenderer::Ref().Render(Save, Decorations, Fire);

	delete Save;
	Save = NULL;

	if(thumbnail)
	{
		thumbnail->Resize(Width, Height, true);
		ResultObject = (void*)thumbnail;
		rb.requestComplete((Request*)this);
		return RequestBroker::Finished;
	}
	else
	{
		return RequestBroker::Failed;
	}
	return RequestBroker::Failed;
}

int main(int argc, char *argv[])
{	
	ui::Engine * engine;
	std::string outputPrefix, inputFilename;
	std::vector<char> inputFile;
	std::string ppmFilename, ptiFilename, ptiSmallFilename, pngFilename, pngSmallFilename;
	std::vector<char> ppmFile, ptiFile, ptiSmallFile, pngFile, pngSmallFile;

	inputFilename = std::string(argv[1]);
	outputPrefix = std::string(argv[2]);

	ppmFilename = outputPrefix+".ppm";
	ptiFilename = outputPrefix+".pti";
	ptiSmallFilename = outputPrefix+"-small.pti";
	pngFilename = outputPrefix+".png";
	pngSmallFilename = outputPrefix+"-small.png";

	readFile(inputFilename, inputFile);

	ui::Engine::Ref().g = new Graphics();
	
	engine = &ui::Engine::Ref();
	engine->Begin(WINDOWW, WINDOWH);

	GameSave * gameSave = NULL;
	try
	{
		gameSave = new GameSave(inputFile);
	}
	catch (ParseException e)
	{
		//Render the save again later or something? I don't know
		if (e.what() == "Save from newer version")
			throw e;
	}

	Simulation * sim = new Simulation();
	Renderer * ren = new Renderer(ui::Engine::Ref().g, sim);

	if (gameSave)
	{
		sim->Load(gameSave);

		//Render save
		ren->decorations_enable = true;
		ren->blackDecorations = true;

		int frame = 15;
		while(frame)
		{
			frame--;
			ren->render_parts();
			ren->render_fire();
			ren->clearScreen(1.0f);
		}
	}
	else
	{
		int w = Graphics::textwidth("Save file invalid")+16, x = (XRES-w)/2, y = (YRES-24)/2;
		ren->drawrect(x, y, w, 24, 192, 192, 192, 255);
		ren->drawtext(x+8, y+8, "Save file invalid", 192, 192, 240, 255);
	}

	ren->RenderBegin();
	ren->RenderEnd();

	VideoBuffer screenBuffer = ren->DumpFrame();
	//ppmFile = format::VideoBufferToPPM(screenBuffer);
	ptiFile = format::VideoBufferToPTI(screenBuffer);
	pngFile = format::VideoBufferToPNG(screenBuffer);

	screenBuffer.Resize(1.0f/3.0f, true);
	ptiSmallFile = format::VideoBufferToPTI(screenBuffer);
	pngSmallFile = format::VideoBufferToPNG(screenBuffer);



	//writeFile(ppmFilename, ppmFile);
	writeFile(ptiFilename, ptiFile);
	writeFile(ptiSmallFilename, ptiSmallFile);
	writeFile(pngFilename, pngFile);
	writeFile(pngSmallFilename, pngSmallFile);
}

//.........这里部分代码省略.........
		{
			if(http_async_req_status(HTTPContext))
			{
				pixel * imageData;
				char * data;
				int status, data_size, imgw, imgh;
				data = http_async_req_stop(HTTPContext, &status, &data_size);

				if (status == 200 && data)
				{
					imageData = Graphics::ptif_unpack(data, data_size, &imgw, &imgh);
					free(data);

					if(imageData)
					{
						//Success!
						image = new VideoBuffer(imageData, imgw, imgh);
						free(imageData);
					}
					else
					{
						//Error thumbnail
						image = new VideoBuffer(32, 32);
						image->SetCharacter(14, 14, 'x', 255, 255, 255, 255);
					}

					if(rb.imageCache.size() >= THUMB_CACHE_SIZE)
					{
						//Remove unnecessary from thumbnail cache
						delete rb.imageCache.front().second;
						rb.imageCache.pop_front();
					}
					rb.imageCache.push_back(std::pair<std::string, VideoBuffer*>(URL, image));
				}
				else
				{
	#ifdef DEBUG
					std::cout << typeid(*this).name() << " Request for " << URL << " failed with status " << status << std::endl;
	#endif	
					free(data);

					return RequestBroker::Failed;
				}
			}
		}
		else 
		{
			//Check for ongoing requests
			for(std::vector<Request*>::iterator iter = rb.activeRequests.begin(), end = rb.activeRequests.end(); iter != end; ++iter)
			{
				if((*iter)->Type != Request::Image)
					continue;
				ImageRequest * otherReq = (ImageRequest*)(*iter);
				if(otherReq->URL == URL && otherReq != this)
				{
	#ifdef DEBUG
					std::cout << typeid(*this).name() << " Request for " << URL << " found, appending." << std::endl;
	#endif
					//Add the current listener to the item already being requested
					(*iter)->Children.push_back(this);
					return RequestBroker::Duplicate;
				}
			}

			//If it's not already being requested, request it
	#ifdef DEBUG
			std::cout << typeid(*this).name() << " Creating new request for " << URL << std::endl;
	#endif
			HTTPContext = http_async_req_start(NULL, (char *)URL.c_str(), NULL, 0, 0);
			RequestTime = time(NULL);
		}
	}
	
	if(image)
	{

		//Create a copy, to seperate from the cache
		std::vector<Request *> children(Children.begin(), Children.end());
		Children.clear();

		VideoBuffer * myVB = new VideoBuffer(*image);
		myVB->Resize(Width, Height, true);
		ResultObject = (void*)myVB;
		rb.requestComplete(this);
		for(std::vector<Request*>::iterator childIter = children.begin(), childEnd = children.end(); childIter != childEnd; ++childIter)
		{
			if((*childIter)->Type == Request::Image)
			{
				ImageRequest * childReq = (ImageRequest*)*childIter;
				VideoBuffer * tempImage = new VideoBuffer(*image);
				tempImage->Resize(childReq->Width, childReq->Height, true);
				childReq->ResultObject = (void*)tempImage;
				rb.requestComplete(*childIter);
			}
		}
		return RequestBroker::Finished;
	}

	return RequestBroker::OK;
}