/// <returns> a byte array of horizontal pixels (0 = white, 1 = black)
/// </returns>
private static ByteMatrix renderResult(sbyte[] code, int width, int height)
{
int inputWidth = code.Length;
// Add quiet zone on both sides
int fullWidth = inputWidth + (UPCEANReader.START_END_PATTERN.Length << 1);
int outputWidth = System.Math.Max(width, fullWidth);
int outputHeight = System.Math.Max(1, height);
int multiple = outputWidth / fullWidth;
int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
ByteMatrix output = new ByteMatrix(outputWidth, outputHeight);
sbyte[,] outputArray = output.Array;
sbyte[] row = new sbyte[outputWidth];
// a. Write the white pixels at the left of each row
for (int x = 0; x < leftPadding; x++)
{
row[x] = (sbyte)SupportClass.Identity(255);
}
// b. Write the contents of this row of the barcode
int offset = leftPadding;
for (int x = 0; x < inputWidth; x++)
{
// Redivivus.in Java to c# Porting update
// 30/01/2010
// type cased 0 with sbyte
sbyte value_Renamed = (code[x] == 1) ? (sbyte)0 : (sbyte)SupportClass.Identity(255);
for (int z = 0; z < multiple; z++)
{
row[offset + z] = value_Renamed;
}
offset += multiple;
}
// c. Write the white pixels at the right of each row
offset = leftPadding + (inputWidth * multiple);
for (int x = offset; x < outputWidth; x++)
{
row[x] = (sbyte)SupportClass.Identity(255);
}
// d. Write the completed row multiple times
for (int z = 0; z < outputHeight; z++)
{
Array.Copy(row, 0, output.GetRow(z), 0, outputWidth);
}
return(output);
}
// Note that the input matrix uses 0 == white, 1 == black, while the output matrix uses
// 0 == black, 255 == white (i.e. an 8 bit greyscale bitmap).
private static ByteMatrix renderResult(QRCode code, int width, int height)
{
ByteMatrix input = code.Matrix;
int inputWidth = input.Width;
int inputHeight = input.Height;
int qrWidth = inputWidth + (QUIET_ZONE_SIZE << 1);
int qrHeight = inputHeight + (QUIET_ZONE_SIZE << 1);
int outputWidth = System.Math.Max(width, qrWidth);
int outputHeight = System.Math.Max(height, qrHeight);
int multiple = System.Math.Min(outputWidth / qrWidth, outputHeight / qrHeight);
// Padding includes both the quiet zone and the extra white pixels to accommodate the requested
// dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
// If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
// handle all the padding from 100x100 (the actual QR) up to 200x160.
int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
int topPadding = (outputHeight - (inputHeight * multiple)) / 2;
ByteMatrix output = new ByteMatrix(outputWidth, outputHeight);
sbyte[,] outputArray = output.Array;
// We could be tricky and use the first row in each set of multiple as the temporary storage,
// instead of allocating this separate array.
sbyte[] row = new sbyte[outputWidth];
// 1. Write the white lines at the top
for (int y = 0; y < topPadding; y++)
{
setRowColor(output.GetRow(y), (sbyte)SupportClass.Identity(255));
}
// 2. Expand the QR image to the multiple
sbyte[,] inputArray = input.Array;
for (int y = 0; y < inputHeight; y++)
{
// a. Write the white pixels at the left of each row
for (int x = 0; x < leftPadding; x++)
{
row[x] = (sbyte)SupportClass.Identity(255);
}
// b. Write the contents of this row of the barcode
int offset = leftPadding;
for (int x = 0; x < inputWidth; x++)
{
// Redivivus.in Java to c# Porting update - Type cased sbyte
// 30/01/2010
// sbyte value_Renamed = (inputArray[y][x] == 1)?0:(sbyte) SupportClass.Identity(255);
sbyte value_Renamed = (sbyte)((inputArray[y, x] == 1) ? 0 : SupportClass.Identity(255));
for (int z = 0; z < multiple; z++)
{
row[offset + z] = value_Renamed;
}
offset += multiple;
}
// c. Write the white pixels at the right of each row
offset = leftPadding + (inputWidth * multiple);
for (int x = offset; x < outputWidth; x++)
{
row[x] = (sbyte)SupportClass.Identity(255);
}
// d. Write the completed row multiple times
offset = topPadding + (y * multiple);
for (int z = 0; z < multiple; z++)
{
Array.Copy(row, 0, output.GetRow(offset + z), 0, outputWidth);
}
}
// 3. Write the white lines at the bottom
int offset2 = topPadding + (inputHeight * multiple);
for (int y = offset2; y < outputHeight; y++)
{
setRowColor(output.GetRow(y), (sbyte)SupportClass.Identity(255));
}
return(output);
}
