public void FIRGBA16()
{
FIRGBA16 rgb = new FIRGBA16();
Assert.AreEqual(0 * 256, rgb.blue);
Assert.AreEqual(0 * 256, rgb.green);
Assert.AreEqual(0 * 256, rgb.red);
Assert.AreEqual(0 * 256, rgb.alpha);
rgb = new FIRGBA16(Color.Chartreuse);
Assert.That(EqualColors(Color.Chartreuse, rgb.Color));
rgb = new FIRGBA16(Color.FromArgb(133, 83, 95, 173));
Assert.AreEqual(173 * 256, rgb.blue);
Assert.AreEqual(95 * 256, rgb.green);
Assert.AreEqual(83 * 256, rgb.red);
Assert.AreEqual(133 * 256, rgb.alpha);
rgb.Color = Color.Crimson;
Assert.That(EqualColors(Color.Crimson, rgb.Color));
rgb.Color = Color.MidnightBlue;
Assert.That(EqualColors(Color.MidnightBlue, rgb.Color));
rgb.Color = Color.White;
Assert.AreEqual(255 * 256, rgb.blue);
Assert.AreEqual(255 * 256, rgb.green);
Assert.AreEqual(255 * 256, rgb.red);
Assert.AreEqual(255 * 256, rgb.alpha);
rgb.Color = Color.Black;
Assert.AreEqual(0 * 256, rgb.blue);
Assert.AreEqual(0 * 256, rgb.green);
Assert.AreEqual(0 * 256, rgb.red);
Assert.AreEqual(255 * 256, rgb.alpha);
rgb = Color.DarkGoldenrod;
Color color = rgb;
Assert.That(EqualColors(Color.DarkGoldenrod, color));
}
private bool MergeImages(string fileNameFormat, string outputDir, string prefix, int frameNum, string ext)
{
FreeImageBitmap combined = null;
string fname = "";
bool supported = false;
bool mergeSuccessful = true;
FREE_IMAGE_TYPE type = FREE_IMAGE_TYPE.FIT_UNKNOWN;
FreeImageBitmap source = null;
string mergedFile = string.Format(fileNameFormat, outputDir, prefix, frameNum, ext);
string tempFile = string.Format(fileNameFormat, outputDir, prefix, frameNum, "_tmp" + ext);
// Allocate a bitmap to store the final image
fname = string.Format(fileNameFormat, outputDir, "slice_0_" + prefix, frameNum, ext);
try
{
source = new FreeImageBitmap(fname);
if (source != null)
{
type = source.ImageType;
switch (type)
{
case FREE_IMAGE_TYPE.FIT_BITMAP:
if (source.ColorDepth == 32 || source.ColorDepth == 24)
supported = true;
break;
case FREE_IMAGE_TYPE.FIT_RGB16:
case FREE_IMAGE_TYPE.FIT_RGBA16:
case FREE_IMAGE_TYPE.FIT_RGBAF:
case FREE_IMAGE_TYPE.FIT_RGBF:
supported = true;
break;
}
}
}
catch (Exception ex)
{
logger.Error(ex, "Error opening slice file");
}
if (supported == false)
{
Console.WriteLine("Image format not supported");
return false;
}
try
{
// Create a new image of the input file type and the correct size
FIBITMAP newImage = FreeImage.AllocateT(type, Width, Height, source.ColorDepth, source.RedMask, source.BlueMask, source.GreenMask);
FreeImage.SaveEx(newImage, tempFile);
FreeImage.UnloadEx(ref newImage);
source.Dispose();
source = null;
GC.Collect();
GC.WaitForPendingFinalizers();
combined = new FreeImageBitmap(tempFile);
}
catch (Exception ex)
{
logger.Error(ex, "Error creating output file");
mergeSuccessful = false;
}
for (int i = 0; i < SlicesAcross * SlicesDown; i++)
{
// Load the image slice
fname = string.Format(fileNameFormat, outputDir, "slice_" + i + "_" + prefix, frameNum, ext);
FreeImageBitmap slice = new FreeImageBitmap(fname);
int posX;
int posY;
if (SlicesDown > 1 && SlicesAcross > 1)
{
posX = i % SlicesAcross;
posY = i / SlicesAcross;
}
else if (SlicesDown == 1)
{
posX = i;
posY = 0;
}
else
{
posX = 0;
posY = i;
}
// Calculate the image slice sizes and the row/column position
double sizeV = (1.0 / SlicesDown) * Height;
double sizeH = (1.0 / SlicesAcross) * Width;
double overlapV = sizeV * (Overlap / 100.0);
double overlapH = sizeH * (Overlap / 100.0);
double realLeft = sizeH * posX;
double left = realLeft - overlapH;
double realTop = sizeV * posY;
double top = realTop - overlapV;
// Check the sizes are within limits and adjust
left = Math.Max(0.0, left);
top = Math.Max(0.0, top);
try
{
switch (type)
{
case FREE_IMAGE_TYPE.FIT_BITMAP:
if (slice.ColorDepth == 24)
{
for (int y = 0; y < slice.Height; y++)
{
int srcY = (slice.Height - 1) - y;
int destY = (combined.Height - 1) - (srcY + (int)top);
int topY = y + (int)top;
Scanline<RGBTRIPLE> srcLine = (Scanline<RGBTRIPLE>)slice.GetScanline(y);
Scanline<RGBTRIPLE> destLine = (Scanline<RGBTRIPLE>)combined.GetScanline(destY);
for (int x = 0; x < slice.Width; x++)
{
int destX = x + (int)left;
// Make sure it's not out of bounds
if (destY >= Height || destY >= Width)
continue;
// Is the pixel in an overlapping Area
if (topY < realTop || destX < realLeft)
{
MergePixel srcPixel = new MergePixel(srcLine[x].rgbtRed, srcLine[x].rgbtGreen, srcLine[x].rgbtBlue, 0);
MergePixel destPixel = new MergePixel(destLine[destX].rgbtRed, destLine[destX].rgbtGreen, destLine[destX].rgbtBlue, 0);
destPixel = CalculatePixelWeight(overlapV, overlapH, realLeft, left, realTop, top, y, topY, x, srcPixel, destPixel);
RGBTRIPLE dest;
dest.rgbtRed = destPixel.red > 255.0 ? (byte)255 : (byte)destPixel.red;
dest.rgbtGreen = destPixel.green > 255.0 ? (byte)255 : (byte)destPixel.green;
dest.rgbtBlue = destPixel.blue > 255.0 ? (byte)255 : (byte)destPixel.blue;
destLine[destX] = dest;
}
else
destLine[destX] = srcLine[x];
}
}
}
else
{
for (int y = 0; y < slice.Height; y++)
{
int srcY = (slice.Height - 1) - y;
int destY = (combined.Height - 1) - (srcY + (int)top);
int topY = y + (int)top;
Scanline<RGBQUAD> srcLine = (Scanline<RGBQUAD>)slice.GetScanline(y);
Scanline<RGBQUAD> destLine = (Scanline<RGBQUAD>)combined.GetScanline(destY);
for (int x = 0; x < slice.Width; x++)
{
int destX = x + (int)left;
// Make sure it's not out of bounds
if (destY >= Height || destY >= Width)
continue;
// Is the pixel in an overlapping Area
if (topY < realTop || destX < realLeft)
{
MergePixel srcPixel = new MergePixel(srcLine[x].rgbRed, srcLine[x].rgbGreen, srcLine[x].rgbBlue, destLine[destX].rgbReserved);
MergePixel destPixel = new MergePixel(destLine[destX].rgbRed, destLine[destX].rgbGreen, destLine[destX].rgbBlue, destLine[destX].rgbReserved);
destPixel = CalculatePixelWeight(overlapV, overlapH, realLeft, left, realTop, top, y, topY, x, srcPixel, destPixel);
RGBQUAD dest = new RGBQUAD();
dest.rgbRed = destPixel.red > 255.0 ? (byte)255 : (byte)destPixel.red;
dest.rgbGreen = destPixel.green > 255.0 ? (byte)255 : (byte)destPixel.green;
dest.rgbBlue = destPixel.blue > 255.0 ? (byte)255 : (byte)destPixel.blue;
dest.rgbReserved = destPixel.alpha > 255.0 ? (byte)255 : (byte)destPixel.alpha;
destLine[destX] = dest;
}
else
destLine[destX] = srcLine[x];
}
}
}
break;
case FREE_IMAGE_TYPE.FIT_RGB16:
for (int y = 0; y < slice.Height; y++)
{
int srcY = (slice.Height - 1) - y;
int destY = (combined.Height - 1) - (srcY + (int)top);
int topY = y + (int)top;
Scanline<FIRGB16> srcLine = (Scanline<FIRGB16>)slice.GetScanline(y);
Scanline<FIRGB16> destLine = (Scanline<FIRGB16>)combined.GetScanline(destY);
for (int x = 0; x < slice.Width; x++)
{
int destX = x + (int)left;
// Make sure it's not out of bounds
if (destY >= Height || destY >= Width)
continue;
// Is the pixel in an overlapping Area
if (topY < realTop || destX < realLeft)
{
MergePixel srcPixel = new MergePixel(srcLine[x].red, srcLine[x].green, srcLine[x].blue, 0);
MergePixel destPixel = new MergePixel(destLine[destX].red, destLine[destX].green, destLine[destX].blue, 0);
destPixel = CalculatePixelWeight(overlapV, overlapH, realLeft, left, realTop, top, y, topY, x, srcPixel, destPixel);
FIRGB16 dest = new FIRGB16();
dest.red = (ushort)destPixel.red;
dest.green = (ushort)destPixel.green;
dest.blue = (ushort)destPixel.blue;
destLine[destX] = dest;
}
else
destLine[destX] = srcLine[x];
}
}
break;
case FREE_IMAGE_TYPE.FIT_RGBA16:
for (int y = 0; y < slice.Height; y++)
{
int srcY = (slice.Height - 1) - y;
int destY = (combined.Height - 1) - (srcY + (int)top);
int topY = y + (int)top;
Scanline<FIRGBA16> srcLine = (Scanline<FIRGBA16>)slice.GetScanline(y);
Scanline<FIRGBA16> destLine = (Scanline<FIRGBA16>)combined.GetScanline(destY);
for (int x = 0; x < slice.Width; x++)
{
int destX = x + (int)left;
// Make sure it's not out of bounds
if (destY >= Height || destY >= Width)
continue;
// Is the pixel in an overlapping Area
if (topY < realTop || destX < realLeft)
{
MergePixel srcPixel = new MergePixel(srcLine[x].red, srcLine[x].green, srcLine[x].blue, srcLine[x].alpha);
MergePixel destPixel = new MergePixel(destLine[destX].red, destLine[destX].green, destLine[destX].blue, destLine[destX].alpha);
destPixel = CalculatePixelWeight(overlapV, overlapH, realLeft, left, realTop, top, y, topY, x, srcPixel, destPixel);
FIRGBA16 dest = new FIRGBA16();
dest.red = (ushort)destPixel.red;
dest.green = (ushort)destPixel.green;
dest.blue = (ushort)destPixel.blue;
dest.alpha = (ushort)destPixel.alpha;
destLine[destX] = dest;
}
else
destLine[destX] = srcLine[x];
}
}
break;
case FREE_IMAGE_TYPE.FIT_RGBAF:
for (int y = 0; y < slice.Height; y++)
{
int srcY = (slice.Height - 1) - y;
int destY = (combined.Height - 1) - (srcY + (int)top);
int topY = y + (int)top;
Scanline<FIRGBAF> srcLine = (Scanline<FIRGBAF>)slice.GetScanline(y);
Scanline<FIRGBAF> destLine = (Scanline<FIRGBAF>)combined.GetScanline(destY);
for (int x = 0; x < slice.Width; x++)
{
int destX = x + (int)left;
// Make sure it's not out of bounds
if (destY >= Height || destY >= Width)
continue;
// Is the pixel in an overlapping Area
if (topY < realTop || destX < realLeft)
{
MergePixel srcPixel = new MergePixel(srcLine[x].red, srcLine[x].green, srcLine[x].blue, destLine[destX].alpha);
MergePixel destPixel = new MergePixel(destLine[destX].red, destLine[destX].green, destLine[destX].blue, destLine[destX].alpha);
destPixel = CalculatePixelWeight(overlapV, overlapH, realLeft, left, realTop, top, y, topY, x, srcPixel, destPixel);
FIRGBAF dest = new FIRGBAF();
dest.red = (float)destPixel.red;
dest.green = (float)destPixel.green;
dest.blue = (float)destPixel.blue;
dest.alpha = (float)destPixel.alpha;
destLine[destX] = dest;
}
else
destLine[destX] = srcLine[x];
}
}
break;
case FREE_IMAGE_TYPE.FIT_RGBF:
for (int y = 0; y < slice.Height; y++)
{
int srcY = (slice.Height - 1) - y;
int destY = (combined.Height - 1) - (srcY + (int)top);
int topY = y + (int)top;
Scanline<FIRGBF> srcLine = (Scanline<FIRGBF>)slice.GetScanline(y);
Scanline<FIRGBF> destLine = (Scanline<FIRGBF>)combined.GetScanline(destY);
for (int x = 0; x < slice.Width; x++)
{
int destX = x + (int)left;
// Make sure it's not out of bounds
if (destY >= Height || destY >= Width)
continue;
// Is the pixel in an overlapping Area
if (topY < realTop || destX < realLeft)
{
MergePixel srcPixel = new MergePixel(srcLine[x].red, srcLine[x].green, srcLine[x].blue, 0);
MergePixel destPixel = new MergePixel(destLine[destX].red, destLine[destX].green, destLine[destX].blue, 0);
destPixel = CalculatePixelWeight(overlapV, overlapH, realLeft, left, realTop, top, y, topY, x, srcPixel, destPixel);
FIRGBF dest = new FIRGBF();
dest.red = (float)destPixel.red;
dest.green = (float)destPixel.green;
dest.blue = (float)destPixel.blue;
destLine[destX] = dest;
}
else
destLine[destX] = srcLine[x];
}
}
break;
}
slice.Dispose();
}
catch (Exception ex)
{
logger.Error(ex, "Error merging image files");
mergeSuccessful = false;
}
}
try
{
if (mergeSuccessful)
{
combined.Save(mergedFile);
combined.Dispose();
combined = null;
GC.Collect();
GC.WaitForPendingFinalizers();
File.Delete(tempFile);
}
else
{
Log += DateTime.Now.ToLongTimeString() + " Merging frame " + frameNum + " failed.\n";
}
}
catch (Exception ex)
{
logger.Error(ex, "Error writing combined file");
mergeSuccessful = false;
}
return mergeSuccessful;
}