/**
* Encode the given symbol info to a bit matrix.
*
* @param placement The DataMatrix placement.
* @param symbolInfo The symbol info to encode.
* @return The bit matrix generated.
*/
private static BitMatrix encodeLowLevel(DefaultPlacement placement, SymbolInfo symbolInfo) {
int symbolWidth = symbolInfo.getSymbolDataWidth();
int symbolHeight = symbolInfo.getSymbolDataHeight();
ByteMatrix matrix = new ByteMatrix(symbolInfo.getSymbolWidth(), symbolInfo.getSymbolHeight());
int matrixY = 0;
for (int y = 0; y < symbolHeight; y++) {
// Fill the top edge with alternate 0 / 1
int matrixX;
if ((y % symbolInfo.matrixHeight) == 0) {
matrixX = 0;
for (int x = 0; x < symbolInfo.getSymbolWidth(); x++) {
matrix.set(matrixX, matrixY, (x % 2) == 0);
matrixX++;
}
matrixY++;
}
matrixX = 0;
for (int x = 0; x < symbolWidth; x++) {
// Fill the right edge with full 1
if ((x % symbolInfo.matrixWidth) == 0) {
matrix.set(matrixX, matrixY, true);
matrixX++;
}
matrix.set(matrixX, matrixY, placement.getBit(x, y));
matrixX++;
// Fill the right edge with alternate 0 / 1
if ((x % symbolInfo.matrixWidth) == symbolInfo.matrixWidth - 1) {
matrix.set(matrixX, matrixY, (y % 2) == 0);
matrixX++;
}
}
matrixY++;
// Fill the bottom edge with full 1
if ((y % symbolInfo.matrixHeight) == symbolInfo.matrixHeight - 1) {
matrixX = 0;
for (int x = 0; x < symbolInfo.getSymbolWidth(); x++) {
matrix.set(matrixX, matrixY, true);
matrixX++;
}
matrixY++;
}
}
return convertByteMatrixToBitMatrix(matrix);
}
