int
main()
try
{
png::image< png::index_pixel_1 > image1;
generate_image(image1);
image1.write("out/palette1.png.out");
png::image< png::index_pixel_2 > image2;
generate_image(image2);
image2.write("out/palette2.png.out");
png::image< png::index_pixel_4 > image4;
generate_image(image4);
image4.write("out/palette4.png.out");
png::image< png::index_pixel > image8;
generate_image(image8);
image8.write("out/palette8.png.out");
png::image< png::index_pixel > image8_tRNS;
generate_image(image8_tRNS);
png::tRNS trns(256);
for (size_t i = 0; i < trns.size(); ++i)
{
trns[i] = i;
}
image8_tRNS.set_tRNS(trns);
image8_tRNS.write("out/palette8_tRNS.png.out");
}
catch (std::exception const& error)
{
std::cerr << "generate_palette: " << error.what() << std::endl;
return EXIT_FAILURE;
}
bool ChessBoard::turn(int row, int column)
{
if( !m_selected_piece )
return false;
// get possible turns
QScopedPointer< const QList<QSize> > trns(m_selected_piece->getPossibleTurns( column, row ));
// current coords
QSize cur_coords = m_selected_piece->getCoords();
QList<QSize>::const_iterator it;
for(it = trns->begin(); it != trns->end(); it++)
{
QSize coords_sum = b_black_bottom ^ m_selected_piece->m_bWhite ? cur_coords - (*it) : cur_coords + (*it);
if( coords_sum == turn_coords )
{
emit figureMoved(cur_coords, turn_coords);
PiecePtr &turned = pieceAt(column, row);
m_selected_piece->setCoords(turn_coords);
turned.swap(m_selected_piece);
return true;
}
}
return false;
}