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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <config.h>
#include <cassert>
#include <cstdlib>
#include <cstring>
#include <fstream>
#include <iostream>
#include <memory>
#include <sysexits.h>
#define LOK_USE_UNSTABLE_API
#include <LibreOfficeKit/LibreOfficeKitInit.h>
#include <Poco/Buffer.h>
#include <Poco/String.h>
#include <Poco/TemporaryFile.h>
#include <Poco/URI.h>
#include <Poco/Util/Application.h>
#include <KitHelper.hpp>
#include <Png.hpp>
#include <Util.hpp>
#include <Protocol.hpp>
using Poco::TemporaryFile;
using Poco::Util::Application;
extern "C"
{
static void myCallback(int type, const char* payload, void*)
{
std::cout << "Callback: " << lokCallbackTypeToString(type)
<< " payload: " << payload << std::endl;
}
}
/// The application class implementing a client.
class LOKitClient: public Application
{
public:
protected:
int main(const std::vector<std::string>& args) override
{
if (args.size() != 2)
{
logger().fatal("Usage: lokitclient /path/to/lo/installation/program /path/to/document");
return EX_USAGE;
}
LibreOfficeKit *loKit;
LibreOfficeKitDocument *loKitDocument;
loKit = lok_init(args[0].c_str());
if (!loKit)
{
logger().fatal("LibreOfficeKit initialisation failed");
return EX_UNAVAILABLE;
}
loKitDocument = loKit->pClass->documentLoad(loKit, args[1].c_str());
if (!loKitDocument)
{
logger().fatal("Document loading failed: " + std::string(loKit->pClass->getError(loKit)));
return EX_UNAVAILABLE;
}
loKitDocument->pClass->registerCallback(loKitDocument, myCallback, nullptr);
loKitDocument->pClass->initializeForRendering(loKitDocument, nullptr);
if (isatty(0))
{
std::cout << "Enter LOKit \"commands\", one per line. 'help' for help. EOF to finish." << std::endl;
}
while (!std::cin.eof())
{
std::string line;
std::getline(std::cin, line);
StringVector tokens(Util::tokenize(line, ' '));
if (tokens.size() == 0)
continue;
if (tokens.equals(0, "?") || tokens.equals(0, "help"))
{
std::cout <<
"Commands mimic LOOL protocol but we talk directly to LOKit:" << std::endl <<
" status" << std::endl <<
" calls LibreOfficeKitDocument::getDocumentType, getParts, getPartName, getDocumentSize" << std::endl <<
" tile part pixelwidth pixelheight docposx docposy doctilewidth doctileheight" << std::endl <<
" calls LibreOfficeKitDocument::paintTile" << std::endl;
}
else if (tokens.equals(0, "status"))
{
if (tokens.size() != 1)
{
std::cout << "? syntax" << std::endl;
continue;
}
std::cout << LOKitHelper::documentStatus(loKitDocument) << std::endl;
for (int i = 0; i < loKitDocument->pClass->getParts(loKitDocument); i++)
{
std::cout << " " << i << ": '" << loKitDocument->pClass->getPartName(loKitDocument, i) << '\'' << std::endl;
}
}
else if (tokens.equals(0, "tile"))
{
if (tokens.size() != 8)
{
std::cout << "? syntax" << std::endl;
continue;
}
int partNumber(std::stoi(tokens[1]));
int canvasWidth(std::stoi(tokens[2]));
int canvasHeight(std::stoi(tokens[3]));
int tilePosX(std::stoi(tokens[4]));
int tilePosY(std::stoi(tokens[5]));
int tileWidth(std::stoi(tokens[6]));
int tileHeight(std::stoi(tokens[7]));
std::vector<unsigned char> pixmap(canvasWidth*canvasHeight*4);
loKitDocument->pClass->setPart(loKitDocument, partNumber);
loKitDocument->pClass->paintTile(loKitDocument, pixmap.data(), canvasWidth, canvasHeight, tilePosX, tilePosY, tileWidth, tileHeight);
if (!Util::windowingAvailable())
continue;
std::vector<char> png;
const auto mode = static_cast<LibreOfficeKitTileMode>(loKitDocument->pClass->getTileMode(loKitDocument));
Png::encodeBufferToPNG(pixmap.data(), canvasWidth, canvasHeight, png, mode);
TemporaryFile pngFile;
std::ofstream pngStream(pngFile.path(), std::ios::binary);
pngStream.write(png.data(), png.size());
pngStream.close();
if (std::system((std::string("display ") + pngFile.path()).c_str()) == -1)
{
// Not worth it to display a warning, this is just a throwaway test program, and
// the developer running it surely notices if nothing shows up...
}
}
else
{
std::cout << "? unrecognized" << std::endl;
}
}
// Safest to just bluntly exit
std::_Exit(EX_OK);
}
};
namespace Util
{
void alertAllUsers(const std::string& cmd, const std::string& kind)
{
std::cout << "error: cmd=" << cmd << " kind=" << kind << std::endl;
(void) kind;
}
}
POCO_APP_MAIN(LOKitClient)
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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