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#include <iostream>
#include <fstream>
using namespace std;
int main(int argc, char *argv[])
{
if (argc != 2)
{
cout << "Usage: bla <infile.tga>" << endl;
return -1;
}
ifstream file(argv[1]);
if (!file)
{
cout << "No such file..." << endl;
return -1;
}
unsigned short headers[9];
file.read((char *)headers, 18);
int width = headers[6];
int height = headers[7];
const int charsx = 16;
const int charsy = 16;
const int charWidth = width / charsx;
const int charHeight = height / charsy;
char *data = new char[width * height * 4];
file.read(data, width * height * 4);
int startTable[256] = {0};
int endTable[256] = {0};
for (int i = 0; i < charsy; i++)
for (int j = 0; j < charsx; j++)
{
bool done = false;
for (int x = 0; x < charWidth && !done; ++x)
for (int y = charHeight - 1; y >= 0; --y)
{
// check if alpha is != 0
int tempX = j * charWidth + x;
int tempY = i * charHeight + y;
int coordIndex = tempX + tempY * width;
if (data[4 * coordIndex + 3] != 0)
{
// if it is, save the x-coord to table and go to next character
startTable[j + i * charsx] = x;
done = true;
}
}
done = false;
for (int x = charWidth - 1; x >= 0 && !done; --x)
for (int y = charHeight - 1; y >= 0; --y)
{
// check if alpha is != 0
int tempX = j * charWidth + x;
int tempY = i * charHeight + y;
int coordIndex = tempX + tempY * width;
if (data[4 * coordIndex + 3] != 0)
{
// if it is, save the x-coord to table and go to next character
endTable[j + i * charsx] = x;
done = true;
}
}
}
delete[] data;
cout << "float CharStartTable[] =" << endl << '{' << endl << '\t';
for (int i = 0; i < 256; i++)
{
cout << startTable[i] / float(charWidth) << ", ";
if (!((i + 1) % 16))
cout << endl << '\t';
}
cout << endl << "};" << endl;
cout << "float CharEndTable[] =" << endl << '{' << endl << '\t';
for (int i = 0; i < 256; i++)
{
cout << endTable[i] / float(charWidth) << ", ";
if (!((i + 1) % 16))
cout << endl << '\t';
}
cout << endl << "};" << endl;
cout << charWidth << 'x' << charHeight << endl;
}
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