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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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 <assert.h>
#include <stdio.h>
#include <string.h>
#include <cmath>
#include <vector>
#include <fstream>
#include <osl/time.h>
#include <LibreOfficeKit/LibreOfficeKitEnums.h>
#include <LibreOfficeKit/LibreOfficeKitInit.h>
#include <LibreOfficeKit/LibreOfficeKit.hxx>
using namespace lok;
static int help()
{
fprintf( stderr, "Usage: tilebench <absolute-path-to-libreoffice-install> [path to document] [max parts|-1] [max tiles|-1]\n" );
fprintf( stderr, "renders a selection of small tiles from the document, checksums them and times the process\n" );
return 1;
}
static double getTimeNow()
{
TimeValue aValue;
osl_getSystemTime(&aValue);
return static_cast<double>(aValue.Seconds) +
static_cast<double>(aValue.Nanosec) / (1000*1000*1000);
}
/// Dump an array of RGBA or BGRA to an RGB PPM file.
static void dumpTile(const int nWidth, const int nHeight, const int mode, const char* pBuffer)
{
std::ofstream ofs("/tmp/dump_tile.ppm");
ofs << "P6\n"
<< nWidth << " "
<< nHeight << "\n"
<< 255 << "\n" ;
for (int y = 0; y < nHeight; ++y)
{
const char* row = pBuffer + y * nWidth * 4;
for (int x = 0; x < nWidth; ++x)
{
const char* pixel = row + x * 4;
if (mode == LOK_TILEMODE_RGBA)
{
ofs.write(pixel, 3); // Skip alpha
}
else if (mode == LOK_TILEMODE_BGRA)
{
const int alpha = *(pixel + 3);
char buf[3];
if (alpha == 0)
{
buf[0] = 0;
buf[1] = 0;
buf[2] = 0;
}
else
{
buf[0] = (*(pixel + 2) * 255 + alpha / 2) / alpha;
buf[1] = (*(pixel + 1) * 255 + alpha / 2) / alpha;
buf[2] = (*(pixel + 0) * 255 + alpha / 2) / alpha;
}
ofs.write(buf, 3);
}
}
}
}
int main( int argc, char* argv[] )
{
static const double origin = getTimeNow();
struct TimeRecord {
const char *mpName;
double mfTime;
TimeRecord() : mpName(nullptr), mfTime(getTimeNow()) { }
explicit TimeRecord(const char *pName) :
mpName(pName), mfTime(getTimeNow())
{
fprintf(stderr, "%3.3fs - %s\n", (mfTime - origin), mpName);
}
};
std::vector< TimeRecord > aTimes;
if( argc < 2 ||
( argc > 1 && ( !strcmp( argv[1], "--help" ) || !strcmp( argv[1], "-h" ) ) ) )
return help();
if ( argv[1][0] != '/' )
{
fprintf(stderr, "Absolute path required to libreoffice install\n");
return 1;
}
aTimes.emplace_back("initialization");
// coverity[tainted_string] - build time test tool
Office *pOffice = lok_cpp_init(argv[1]);
if (pOffice == nullptr)
{
fprintf(stderr, "Failed to initialize Office from %s\n", argv[1]);
return 1;
}
aTimes.emplace_back();
const int max_parts = (argc > 3 ? atoi(argv[3]) : -1);
int max_tiles = (argc > 4 ? atoi(argv[4]) : -1);
const bool dump = true;
if (argv[2] != nullptr)
{
aTimes.emplace_back("load document");
Document *pDocument(pOffice->documentLoad(argv[2]));
aTimes.emplace_back();
const int mode = pDocument->getTileMode();
aTimes.emplace_back("getparts");
const int nOriginalPart = (pDocument->getDocumentType() == LOK_DOCTYPE_TEXT ? 1 : pDocument->getPart());
// Writer really has 1 part (the full doc).
const int nTotalParts = (pDocument->getDocumentType() == LOK_DOCTYPE_TEXT ? 1 : pDocument->getParts());
const int nParts = (max_parts < 0 ? nTotalParts : std::min(max_parts, nTotalParts));
aTimes.emplace_back();
aTimes.emplace_back("get size of parts");
long nWidth = 0;
long nHeight = 0;
for (int n = 0; n < nParts; ++n)
{
const int nPart = (nOriginalPart + n) % nTotalParts;
char* pName = pDocument->getPartName(nPart);
pDocument->setPart(nPart);
pDocument->getDocumentSize(&nWidth, &nHeight);
fprintf (stderr, " '%s' -> %ld, %ld\n", pName, nWidth, nHeight);
free (pName);
}
aTimes.emplace_back();
// Use realistic dimensions, similar to the Online client.
long nTilePixelWidth = 512;
long nTilePixelHeight = 512;
long nTileTwipWidth = 3840;
long nTileTwipHeight = 3840;
// Estimate the maximum tiles based on the number of parts requested, if Writer.
if (pDocument->getDocumentType() == LOK_DOCTYPE_TEXT)
max_tiles = static_cast<int>(ceil(max_parts * 16128. / nTilePixelHeight) * ceil(static_cast<double>(nWidth) / nTilePixelWidth));
fprintf(stderr, "Parts to render: %d, Total Parts: %d, Max parts: %d, Max tiles: %d\n", nParts, nTotalParts, max_parts, max_tiles);
std::vector<unsigned char> vBuffer(nTilePixelWidth * nTilePixelHeight * 4);
unsigned char* pPixels = &vBuffer[0];
for (int n = 0; n < nParts; ++n)
{
const int nPart = (nOriginalPart + n) % nTotalParts;
char* pName = pDocument->getPartName(nPart);
pDocument->setPart(nPart);
pDocument->getDocumentSize(&nWidth, &nHeight);
fprintf (stderr, "render '%s' -> %ld, %ld\n", pName, nWidth, nHeight);
free (pName);
if (dump || pDocument->getDocumentType() != LOK_DOCTYPE_TEXT)
{
// whole part; meaningful only for non-writer documents.
aTimes.emplace_back("render whole part");
pDocument->paintTile(pPixels, nTilePixelWidth, nTilePixelHeight,
nWidth/2, 2000, 1000, 1000); // not square
aTimes.emplace_back();
if (dump)
dumpTile(nTilePixelWidth, nTilePixelHeight, mode, reinterpret_cast<char*>(pPixels));
}
{ // 1:1
aTimes.emplace_back("render sub-region at 1:1");
// Estimate the maximum tiles based on the number of parts requested, if Writer.
int nMaxTiles = max_tiles;
int nTiles = 0;
for (int nY = 0; nY < nHeight - 1; nY += nTilePixelHeight)
{
for (int nX = 0; nX < nWidth - 1; nX += nTilePixelWidth)
{
if (nMaxTiles >= 0 && nTiles >= nMaxTiles)
{
nY = nHeight;
break;
}
pDocument->paintTile(pPixels, nTilePixelWidth, nTilePixelHeight,
nX, nY, nTilePixelWidth, nTilePixelHeight);
nTiles++;
fprintf (stderr, " rendered 1:1 tile %d at %d, %d\n",
nTiles, nX, nY);
}
}
aTimes.emplace_back();
}
{ // scaled
aTimes.emplace_back("render sub-regions at scale");
int nMaxTiles = max_tiles;
if (pDocument->getDocumentType() == LOK_DOCTYPE_TEXT)
nMaxTiles = static_cast<int>(ceil(max_parts * 16128. / nTileTwipHeight) * ceil(static_cast<double>(nWidth) / nTileTwipWidth));
int nTiles = 0;
for (int nY = 0; nY < nHeight - 1; nY += nTileTwipHeight)
{
for (int nX = 0; nX < nWidth - 1; nX += nTileTwipWidth)
{
if (nMaxTiles >= 0 && nTiles >= nMaxTiles)
{
nY = nHeight;
break;
}
pDocument->paintTile(pPixels, nTilePixelWidth, nTilePixelHeight,
nX, nY, nTileTwipWidth, nTileTwipHeight);
nTiles++;
fprintf (stderr, " rendered scaled tile %d at %d, %d\n",
nTiles, nX, nY);
}
}
aTimes.emplace_back();
}
}
aTimes.emplace_back("destroy document");
delete pDocument;
aTimes.emplace_back();
}
delete pOffice;
double nTotal = 0.0;
fprintf (stderr, "profile run:\n");
for (size_t i = 0; i < aTimes.size() - 1; i++)
{
const double nDelta = aTimes[i+1].mfTime - aTimes[i].mfTime;
fprintf (stderr, " %s - %2.4f(ms)\n", aTimes[i].mpName, nDelta * 1000.0);
if (aTimes[i+1].mpName == nullptr)
i++; // skip it.
nTotal += nDelta;
}
fprintf (stderr, "Total: %2.4f(s)\n", nTotal);
return 0;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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