internal static Line[] findLineAcross(bool[][] image)
{
int READ_HORIZONTAL = 0;
int READ_VERTICAL = 1;
int imageWidth = image.Length;
int imageHeight = image[0].Length;
Point current = new Point();
System.Collections.ArrayList lineAcross = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
int[] lengthBuffer = new int[5];
int bufferPointer = 0;
int direction = READ_HORIZONTAL;
bool lastElement = QRCodeImageReader.POINT_LIGHT;
while (true)
{
bool currentElement = image[current.X][current.Y];
if (currentElement == lastElement)
{
lengthBuffer[bufferPointer]++;
}
else
{
if (currentElement == QRCodeImageReader.POINT_LIGHT)
{
if (checkPattern(lengthBuffer, bufferPointer))
{
int x1, y1, x2, y2;
if (direction == READ_HORIZONTAL)
{
x1 = current.X;
for (int j = 0; j < 5; j++)
{
x1 -= lengthBuffer[j];
}
x2 = current.X - 1;
y1 = y2 = current.Y;
}
else
{
x1 = x2 = current.X;
y1 = current.Y;
for (int j = 0; j < 5; j++)
{
y1 -= lengthBuffer[j];
}
y2 = current.Y - 1;
}
lineAcross.Add(new Line(x1, y1, x2, y2));
}
}
bufferPointer = (bufferPointer + 1) % 5;
lengthBuffer[bufferPointer] = 1;
lastElement = !lastElement;
}
if (direction == READ_HORIZONTAL)
{
if (current.X < imageWidth - 1)
{
current.translate(1, 0);
}
else if (current.Y < imageHeight - 1)
{
current.set_Renamed(0, current.Y + 1);
lengthBuffer = new int[5];
}
else
{
current.set_Renamed(0, 0);
lengthBuffer = new int[5];
direction = READ_VERTICAL;
}
}
else
{
if (current.Y < imageHeight - 1)
{
current.translate(0, 1);
}
else if (current.X < imageWidth - 1)
{
current.set_Renamed(current.X + 1, 0);
lengthBuffer = new int[5];
}
else
{
break;
}
}
}
Line[] foundLines = new Line[lineAcross.Count];
for (int i = 0; i < foundLines.Length; i++)
{
foundLines[i] = (Line)lineAcross[i];
}
canvas.drawLines(foundLines, QRStudio.Engine.Codec.Util.Color_Fields.LIGHTGREEN);
return(foundLines);
}
internal static Line[] findLineAcross(bool[][] image)
{
int num = 0;
int num2 = 1;
int length = image.Length;
int num4 = image[0].Length;
Point point = new Point();
ArrayList list = ArrayList.Synchronized(new ArrayList(10));
int[] buffer = new int[5];
int index = 0;
int num6 = num;
bool flag = false;
while (true)
{
bool flag2 = image[point.X][point.Y];
if (flag2 == flag)
{
buffer[index]++;
}
else
{
if (!flag2 && checkPattern(buffer, index))
{
int x;
int y;
int num9;
int num10;
int num11;
if (num6 == num)
{
x = point.X;
for (num11 = 0; num11 < 5; num11++)
{
x -= buffer[num11];
}
num9 = point.X - 1;
y = num10 = point.Y;
}
else
{
x = num9 = point.X;
y = point.Y;
for (num11 = 0; num11 < 5; num11++)
{
y -= buffer[num11];
}
num10 = point.Y - 1;
}
list.Add(new Line(x, y, num9, num10));
}
index = (index + 1) % 5;
buffer[index] = 1;
flag = !flag;
}
if (num6 == num)
{
if (point.X < (length - 1))
{
point.translate(1, 0);
}
else if (point.Y < (num4 - 1))
{
point.set_Renamed(0, point.Y + 1);
buffer = new int[5];
}
else
{
point.set_Renamed(0, 0);
buffer = new int[5];
num6 = num2;
}
}
else if (point.Y < (num4 - 1))
{
point.translate(0, 1);
}
else if (point.X < (length - 1))
{
point.set_Renamed(point.X + 1, 0);
buffer = new int[5];
}
else
{
Line[] lines = new Line[list.Count];
for (int i = 0; i < lines.Length; i++)
{
lines[i] = (Line)list[i];
}
canvas.drawLines(lines, Color_Fields.LIGHTGREEN);
return(lines);
}
}
}
internal static Line[] findLineAcross(bool[][] image)
{
int READ_HORIZONTAL = 0;
int READ_VERTICAL = 1;
int imageWidth = image.Length;
int imageHeight = image[0].Length;
//int currentX = 0, currentY = 0;
Point current = new Point();
System.Collections.ArrayList lineAcross = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
//buffer contains recent length of modules which has same brightness
int[] lengthBuffer = new int[5];
int bufferPointer = 0;
int direction = READ_HORIZONTAL; //start to read horizontally
bool lastElement = QRCodeImageReader.POINT_LIGHT;
while (true)
{
//check points in image
bool currentElement = image[current.X][current.Y];
if (currentElement == lastElement)
{
//target point has same brightness with last point
lengthBuffer[bufferPointer]++;
}
else
{
//target point has different brightness with last point
if (currentElement == QRCodeImageReader.POINT_LIGHT)
{
if (checkPattern(lengthBuffer, bufferPointer))
{
//detected pattern
int x1, y1, x2, y2;
if (direction == READ_HORIZONTAL)
{
//obtain X coordinates of both side of the detected horizontal pattern
x1 = current.X;
for (int j = 0; j < 5; j++)
{
x1 -= lengthBuffer[j];
}
x2 = current.X - 1; //right side is last X coordinate
y1 = y2 = current.Y;
}
else
{
x1 = x2 = current.X;
//obtain Y coordinates of both side of the detected vertical pattern
// upper side is sum of length of buffer
y1 = current.Y;
for (int j = 0; j < 5; j++)
{
y1 -= lengthBuffer[j];
}
y2 = current.Y - 1; // bottom side is last Y coordinate
}
lineAcross.Add(new Line(x1, y1, x2, y2));
}
}
bufferPointer = (bufferPointer + 1) % 5;
lengthBuffer[bufferPointer] = 1;
lastElement = !lastElement;
}
// determine if read next, change read direction or terminate this loop
if (direction == READ_HORIZONTAL)
{
if (current.X < imageWidth - 1)
{
current.translate(1, 0);
}
else if (current.Y < imageHeight - 1)
{
current.set_Renamed(0, current.Y + 1);
lengthBuffer = new int[5];
}
else
{
current.set_Renamed(0, 0); //reset target point
lengthBuffer = new int[5];
direction = READ_VERTICAL; //start to read vertically
}
}
else
{
//reading vertically
if (current.Y < imageHeight - 1)
{
current.translate(0, 1);
}
else if (current.X < imageWidth - 1)
{
current.set_Renamed(current.X + 1, 0);
lengthBuffer = new int[5];
}
else
{
break;
}
}
}
Line[] foundLines = new Line[lineAcross.Count];
for (int i = 0; i < foundLines.Length; i++)
{
foundLines[i] = (Line)lineAcross[i];
}
canvas.drawLines(foundLines, ThoughtWorks.QRCode.Codec.Util.Color_Fields.LIGHTGREEN);
return(foundLines);
}
internal static Line[] findLineAcross(bool[][] image)
{
int num = 0;
int num2 = 1;
int num3 = image.Length;
int num4 = image[0].Length;
Point point = new Point();
ArrayList arrayList = ArrayList.Synchronized(new ArrayList(10));
int[] array = new int[5];
int num5 = 0;
int num6 = num;
bool flag = false;
while (true)
{
bool flag2 = true;
bool flag3 = image[point.X][point.Y];
if (flag3 == flag)
{
array[num5]++;
}
else
{
if (!flag3 && checkPattern(array, num5))
{
int num7;
int x;
int num8;
int y;
if (num6 == num)
{
num7 = point.X;
for (int i = 0; i < 5; i++)
{
num7 -= array[i];
}
x = point.X - 1;
num8 = (y = point.Y);
}
else
{
num7 = (x = point.X);
num8 = point.Y;
for (int i = 0; i < 5; i++)
{
num8 -= array[i];
}
y = point.Y - 1;
}
arrayList.Add(new Line(num7, num8, x, y));
}
num5 = (num5 + 1) % 5;
array[num5] = 1;
flag = !flag;
}
if (num6 == num)
{
if (point.X < num3 - 1)
{
point.translate(1, 0);
}
else if (point.Y < num4 - 1)
{
point.set_Renamed(0, point.Y + 1);
array = new int[5];
}
else
{
point.set_Renamed(0, 0);
array = new int[5];
num6 = num2;
}
}
else if (point.Y < num4 - 1)
{
point.translate(0, 1);
}
else
{
if (point.X >= num3 - 1)
{
break;
}
point.set_Renamed(point.X + 1, 0);
array = new int[5];
}
}
Line[] array2 = new Line[arrayList.Count];
for (int j = 0; j < array2.Length; j++)
{
array2[j] = (Line)arrayList[j];
}
canvas.drawLines(array2, Color_Fields.LIGHTGREEN);
return(array2);
}