public static void DoThreshold(ImageBuffer result, ImageBuffer sourceImage, int threshold, TestThreshold testFunction)
{
if (sourceImage.BitDepth != result.BitDepth)
{
throw new NotImplementedException("All the images have to be the same bit depth.");
}
if (sourceImage.Width != result.Width || sourceImage.Height != result.Height)
{
throw new Exception("All images must be the same size.");
}
switch (sourceImage.BitDepth)
{
case 32:
{
int height = sourceImage.Height;
int width = sourceImage.Width;
byte[] resultBuffer = result.GetBuffer();
byte[] sourceBuffer = sourceImage.GetBuffer();
for (int y = 0; y < height; y++)
{
int offset = sourceImage.GetBufferOffsetY(y);
for (int x = 0; x < width; x++)
{
if (testFunction(sourceBuffer, offset, threshold))
{
resultBuffer[offset + 0] = (byte)255;
resultBuffer[offset + 1] = (byte)255;
resultBuffer[offset + 2] = (byte)255;
resultBuffer[offset + 3] = (byte)255;
}
else
{
resultBuffer[offset + 0] = (byte)0;
resultBuffer[offset + 1] = (byte)0;
resultBuffer[offset + 2] = (byte)0;
resultBuffer[offset + 3] = (byte)0;
}
offset += 4;
}
}
}
break;
default:
throw new NotImplementedException();
}
}
public static void DoThreshold(ImageBuffer result, ImageBuffer sourceImage, int threshold, TestThreshold testFunction)
{
if (sourceImage.BitDepth != result.BitDepth)
{
throw new NotImplementedException("All the images have to be the same bit depth.");
}
if (sourceImage.Width != result.Width || sourceImage.Height != result.Height)
{
throw new Exception("All images must be the same size.");
}
switch (sourceImage.BitDepth)
{
case 8:
{
int height = sourceImage.Height;
int width = sourceImage.Width;
byte[] resultBuffer = result.GetBuffer();
byte[] sourceBuffer = sourceImage.GetBuffer();
for (int y = 0; y < height; y++)
{
int offset = sourceImage.GetBufferOffsetY(y);
for (int x = 0; x < width; x++)
{
if (testFunction(sourceBuffer, offset, threshold))
{
resultBuffer[offset] = (byte)255;
}
else
{
resultBuffer[offset] = (byte)0;
}
offset += 1;
}
}
}
break;
case 32:
{
int height = sourceImage.Height;
int width = sourceImage.Width;
byte[] resultBuffer = result.GetBuffer();
byte[] sourceBuffer = sourceImage.GetBuffer();
for (int y = 0; y < height; y++)
{
int offset = sourceImage.GetBufferOffsetY(y);
for (int x = 0; x < width; x++)
{
if (testFunction(sourceBuffer, offset, threshold))
{
resultBuffer[offset + 0] = (byte)255;
resultBuffer[offset + 1] = (byte)255;
resultBuffer[offset + 2] = (byte)255;
resultBuffer[offset + 3] = (byte)255;
}
else
{
resultBuffer[offset + 0] = (byte)0;
resultBuffer[offset + 1] = (byte)0;
resultBuffer[offset + 2] = (byte)0;
resultBuffer[offset + 3] = (byte)0;
}
offset += 4;
}
}
}
break;
default:
throw new NotImplementedException();
}
}
public static void DoThreshold(ImageBuffer sourceImageAndDest, int threshold, TestThreshold testFunction)
{
DoThreshold(sourceImageAndDest, sourceImageAndDest, threshold, testFunction);
}
public static void DoThreshold(ImageBuffer sourceImageAndDest, int threshold, TestThreshold testFunction)
{
DoThreshold(sourceImageAndDest, sourceImageAndDest, threshold, testFunction);
}
