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#include <stdlib.h>
#include <stdio.h>
#include <iostream>
#include <string.h>
#include <math.h>
#include "conversion/convertor.hh"
#include "conversion/png.hh"
#ifdef EARLY_TEMPLATE
#define __EXECUTABLE__
#include "raslib/template_inst.hh"
#endif
static int init_identity(int offset)
{
return offset;
}
static int init_square(int offset)
{
return offset * offset;
}
static int SinTabOK = 0;
static int SinusTable[512];
static int init_sine(int offset)
{
if (SinTabOK == 0)
{
int i;
for (i=0; i<512; i++)
{
SinusTable[i] = (int)(255*sin(M_PI * offset / 512.0));
}
SinTabOK = 1;
}
return SinusTable[offset & 511];
}
int test_picture(int width, int height, int bpp, int (*init)(int))
{
char *data;
r_Minterval interv(2);
int datasize;
int baseType;
int bytespp;
int i;
switch (bpp)
{
case 1: baseType = r_Convertor::ctype_bool; bytespp = 1; break;
case 8: baseType = r_Convertor::ctype_char; bytespp = 1; break;
case 24: baseType = r_Convertor::ctype_rgb; bytespp = 3; break;
default:
cerr << "Unknown bpp value " << bpp << endl;
return -1;
}
interv << r_Sinterval((r_Range)0, (r_Range)width-1)
<< r_Sinterval((r_Range)0, (r_Range)height-1);
datasize = (width * bytespp * height);
data = new char[datasize];
cout << "Test: bpp = " << bpp << ", domain = " << interv << ", size = " << datasize << endl;
if (bpp > 1)
{
for (i=0; i<datasize; i++) data[i] = (char)init(i);
}
else
{
int j, count;
for (i=0; i<datasize; i+=8)
{
count = datasize - i; if (count > 8) count = 8;
for (j=0; j<count; j++) data[i+j] = ((init(i>>3) & (1<<j)) == 0) ? 0 : 1;
//for (j=0; j<count; j++) cout << (char)(data[i+j] + '0'); cout << endl;
}
}
r_Conv_PNG *png = NULL;
char *dest = NULL;
try
{
r_convDesc desc;
int destsize;
int status = -1;
png = new r_Conv_PNG(data, interv, baseType);
desc = png->convertTo();
destsize = desc.destInterv[0].high() - desc.destInterv[0].low() + 1;
cout << "\tConverted to PNG, domain " << desc.destInterv << endl;
dest = desc.dest;
r_Minterval destInterv(desc.destInterv);
delete desc.destType;
delete png;
png = new r_Conv_PNG(dest, destInterv, r_Convertor::ctype_char);
desc = png->convertFrom();
cout << "\tConverted from PNG, domain " << desc.destInterv << endl;
if (interv == desc.destInterv)
status = memcmp(data, desc.dest, datasize);
delete png;
delete [] data;
free(dest);
free(desc.dest);
delete desc.destType;
if (status != 0)
{
cout << "\t!!! Data not identical !!!" << endl;
}
return 0;
}
catch (r_Error &err)
{
cerr << "Error: " << err.what() << endl;
delete [] data;
if (dest != NULL) free(dest);
if (png != NULL) delete png;
return -1;
}
}
int main(int argc, char *argv[])
{
int i;
char pngfile[256] = "";
i = 1;
while (i < argc)
{
if (strcmp(argv[i], "-file") == 0)
{
strcpy(pngfile, argv[++i]);
}
i++;
}
if (pngfile[0] == '\0')
{
// No PNG-file given, standard test-suite
test_picture(400, 300, 1, init_identity);
test_picture(400, 300, 8, init_identity);
test_picture(400, 300, 24, init_identity);
test_picture(701, 333, 1, init_square);
test_picture(701, 333, 8, init_square);
test_picture(701, 333, 24, init_square);
test_picture(3007, 3999, 1, init_sine);
test_picture(3007, 3999, 8, init_sine);
test_picture(3007, 3999, 24, init_sine);
}
else
{
// Work on this file
FILE *fp;
size_t fsize;
char *data;
r_convDesc desc;
r_Conv_PNG *png;
r_Type *baseType;
if ((fp = fopen(pngfile, "rb")) == NULL)
{
cerr << "Unable to open input file" << endl;
return -1;
}
fseek(fp, 0, SEEK_END); fsize = ftell(fp); fseek(fp, 0, SEEK_SET);
data = new char[fsize];
fread(data, 1, fsize, fp);
fclose(fp);
png = NULL; baseType = NULL;
try
{
r_Minterval interv(1);
interv << r_Sinterval((r_Range)0, (r_Range)fsize-1);
png = new r_Conv_PNG(data, interv, r_Convertor::ctype_char);
cout << "Converting file <" << pngfile << "> to MDD..." << endl;
desc = png->convertFrom();
cout << "Resulting domain " << desc.destInterv << ", ";
desc.destType->print_status();
cout << endl;
interv = r_Minterval(desc.destInterv);
delete [] data;
data = desc.dest;
baseType = desc.destType;
delete png;
fsize = (interv[0].high() - interv[0].low() + 1) * (interv[1].high() - interv[1].low() + 1);
png = new r_Conv_PNG(data, interv, baseType);
cout << "Converting MDD back to PNG..." << endl;
desc = png->convertTo();
cout << "Resulting domain " << desc.destInterv << ", ";
desc.destType->print_status();
cout << endl;
fp = fopen("result.png", "wb");
fwrite(desc.dest, 1, (desc.destInterv[0].high() - desc.destInterv[0].low() + 1), fp);
fclose(fp);
delete baseType;
free(data);
free(desc.dest);
delete desc.destType;
delete png;
}
catch (r_Error &err)
{
cerr << "Conversion failed: " << err.what() << endl;
if (baseType != NULL) delete baseType;
if (data != NULL) delete [] data;
if (png != NULL) delete png;
}
}
return 0;
}
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