/// <inheritdoc/>
protected override void OnApply(ImageBase source, ImageBase target, Rectangle targetRectangle, Rectangle sourceRectangle)
{
float radians = (float)ImageMaths.DegreesToRadians(this.Angle);
double cosradians = Math.Cos(radians);
double sinradians = Math.Sin(radians);
float lumR = .213f;
float lumG = .715f;
float lumB = .072f;
float oneMinusLumR = 1 - lumR;
float oneMinusLumG = 1 - lumG;
float oneMinusLumB = 1 - lumB;
// The matrix is set up to preserve the luminance of the image.
// See http://graficaobscura.com/matrix/index.html
// Number are taken from https://msdn.microsoft.com/en-us/library/jj192162(v=vs.85).aspx
Matrix4x4 matrix4X4 = new Matrix4x4()
{
M11 = (float)(lumR + (cosradians * oneMinusLumR) - (sinradians * lumR)),
M12 = (float)(lumR - (cosradians * lumR) - (sinradians * 0.143)),
M13 = (float)(lumR - (cosradians * lumR) - (sinradians * oneMinusLumR)),
M21 = (float)(lumG - (cosradians * lumG) - (sinradians * lumG)),
M22 = (float)(lumG + (cosradians * oneMinusLumG) + (sinradians * 0.140)),
M23 = (float)(lumG - (cosradians * lumG) + (sinradians * lumG)),
M31 = (float)(lumB - (cosradians * lumB) + (sinradians * oneMinusLumB)),
M32 = (float)(lumB - (cosradians * lumB) - (sinradians * 0.283)),
M33 = (float)(lumB + (cosradians * oneMinusLumB) + (sinradians * lumB))
};
this.matrix = matrix4X4;
}
/// <inheritdoc/>
protected override void OnApply(ImageBase source, ImageBase target, Rectangle targetRectangle, Rectangle sourceRectangle)
{
if (this.Greyscale)
{
new GreyscaleBt709().Apply(source, source, sourceRectangle);
}
}
/// <inheritdoc/>
protected override void Apply(ImageBase target, ImageBase source, Rectangle targetRectangle, Rectangle sourceRectangle, int startY, int endY)
{
int sourceY = sourceRectangle.Y;
int sourceBottom = sourceRectangle.Bottom;
int startX = sourceRectangle.X;
int endX = sourceRectangle.Right;
Vector3 inverseVector = Vector3.One;
Parallel.For(
startY,
endY,
y =>
{
if (y >= sourceY && y < sourceBottom)
{
for (int x = startX; x < endX; x++)
{
Color color = source[x, y];
Vector3 vector = inverseVector - color.ToVector3();
target[x, y] = new Color(vector, color.A);
}
this.OnRowProcessed();
}
});
}
/// <inheritdoc/>
protected override void Apply(ImageBase target, ImageBase source, Rectangle targetRectangle, Rectangle sourceRectangle, int startY, int endY)
{
if (source.Bounds == target.Bounds)
{
target.SetPixels(target.Width, target.Height, source.Pixels);
return;
}
int targetY = this.cropRectangle.Y;
int startX = targetRectangle.X;
int targetX = this.cropRectangle.X;
int endX = this.cropRectangle.Width;
int maxX = endX - 1;
int maxY = this.cropRectangle.Bottom - 1;
Parallel.For(
startY,
endY,
y =>
{
for (int x = startX; x < endX; x++)
{
int offsetY = y + targetY;
offsetY = offsetY.Clamp(0, maxY);
int offsetX = x + targetX;
offsetX = offsetX.Clamp(0, maxX);
target[x, y] = source[offsetX, offsetY];
}
this.OnRowProcessed();
});
}
/// <inheritdoc/>
public void Encode(ImageBase image, Stream stream)
{
Guard.NotNull(image, nameof(image));
Guard.NotNull(stream, nameof(stream));
int imageWidth = image.Width;
int imageHeight = image.Height;
ushort max = JpegConstants.MaxLength;
if (imageWidth > max || imageHeight > max)
{
throw new ImageFormatException($"Image dimensions exceed maximum allowable bounds of {max}px.");
}
using (EndianBinaryWriter writer = new EndianBinaryWriter(new BigEndianBitConverter(), stream))
{
this.WriteApplicationHeader(image, writer);
this.WriteDescreteQuantizationTables(writer);
this.WriteStartOfFrame(image, writer);
this.WriteHuffmanTables(writer);
this.WriteStartOfScan(image, writer);
writer.Write(new[] { JpegConstants.Markers.XFF, JpegConstants.Markers.EOI });
}
}
/// <inheritdoc/>
protected override void Apply(ImageBase target, ImageBase source, Rectangle targetRectangle, Rectangle sourceRectangle, int startY, int endY)
{
float contrast = (100f + this.Value) / 100f;
int sourceY = sourceRectangle.Y;
int sourceBottom = sourceRectangle.Bottom;
int startX = sourceRectangle.X;
int endX = sourceRectangle.Right;
Vector4 contrastVector = new Vector4(contrast, contrast, contrast, 1);
Vector4 shiftVector = new Vector4(.5f, .5f, .5f, 1);
Parallel.For(
startY,
endY,
y =>
{
if (y >= sourceY && y < sourceBottom)
{
for (int x = startX; x < endX; x++)
{
Vector4 color = Color.Expand(source[x, y]).ToVector4();
color -= shiftVector;
color *= contrastVector;
color += shiftVector;
target[x, y] = Color.Compress(new Color(color));
}
this.OnRowProcessed();
}
});
}
/// <inheritdoc/>
protected override void OnApply(ImageBase source, ImageBase target, Rectangle targetRectangle, Rectangle sourceRectangle)
{
float saturationFactor = this.saturation / 100f;
// Stop at -1 to prevent inversion.
saturationFactor++;
// The matrix is set up to "shear" the colour space using the following set of values.
// Note that each colour component has an effective luminance which contributes to the
// overall brightness of the pixel.
// See http://graficaobscura.com/matrix/index.html
float saturationComplement = 1.0f - saturationFactor;
float saturationComplementR = 0.3086f * saturationComplement;
float saturationComplementG = 0.6094f * saturationComplement;
float saturationComplementB = 0.0820f * saturationComplement;
Matrix4x4 matrix4X4 = new Matrix4x4()
{
M11 = saturationComplementR + saturationFactor,
M12 = saturationComplementR,
M13 = saturationComplementR,
M21 = saturationComplementG,
M22 = saturationComplementG + saturationFactor,
M23 = saturationComplementG,
M31 = saturationComplementB,
M32 = saturationComplementB,
M33 = saturationComplementB + saturationFactor,
};
this.matrix = matrix4X4;
}
/// <inheritdoc/>
protected override void Apply(ImageBase target, ImageBase source, Rectangle targetRectangle, Rectangle sourceRectangle, int startY, int endY)
{
float threshold = this.Value;
Color upper = this.UpperColor;
Color lower = this.LowerColor;
int sourceY = sourceRectangle.Y;
int sourceBottom = sourceRectangle.Bottom;
int startX = sourceRectangle.X;
int endX = sourceRectangle.Right;
Parallel.For(
startY,
endY,
y =>
{
if (y >= sourceY && y < sourceBottom)
{
for (int x = startX; x < endX; x++)
{
Color color = source[x, y];
// Any channel will do since it's greyscale.
target[x, y] = color.B >= threshold ? upper : lower;
}
this.OnRowProcessed();
}
});
}
/// <inheritdoc/>
public void Encode(ImageBase image, Stream stream)
{
Guard.NotNull(image, nameof(image));
Guard.NotNull(stream, nameof(stream));
int imageWidth = image.Width;
int imageHeight = image.Height;
SampleRow[] rows = new SampleRow[imageHeight];
Parallel.For(
0,
imageHeight,
y =>
{
byte[] samples = new byte[imageWidth * 3];
for (int x = 0; x < imageWidth; x++)
{
Bgra32 color = Color.ToNonPremultiplied(image[x, y]);
int start = x * 3;
samples[start] = color.R;
samples[start + 1] = color.G;
samples[start + 2] = color.B;
}
rows[y] = new SampleRow(samples, imageWidth, 8, 3);
});
using (JpegImage jpg = new JpegImage(rows, Colorspace.RGB))
{
jpg.WriteJpeg(stream, new CompressionParameters { Quality = this.Quality });
}
}
/// <inheritdoc/>
protected override void Apply(ImageBase target, ImageBase source, Rectangle targetRectangle, Rectangle sourceRectangle, int startY, int endY)
{
float brightness = this.Value / 100f;
int sourceY = sourceRectangle.Y;
int sourceBottom = sourceRectangle.Bottom;
int startX = sourceRectangle.X;
int endX = sourceRectangle.Right;
Parallel.For(
startY,
endY,
y =>
{
if (y >= sourceY && y < sourceBottom)
{
for (int x = startX; x < endX; x++)
{
Color color = Color.Expand(source[x, y]);
Vector3 vector3 = color.ToVector3();
vector3 += new Vector3(brightness);
target[x, y] = Color.Compress(new Color(vector3, color.A));
}
this.OnRowProcessed();
}
});
}
/// <inheritdoc/>
protected override void Apply(ImageBase target, ImageBase source, Rectangle targetRectangle, Rectangle sourceRectangle, int startY, int endY)
{
float alpha = this.Value / 100f;
int sourceY = sourceRectangle.Y;
int sourceBottom = sourceRectangle.Bottom;
int startX = sourceRectangle.X;
int endX = sourceRectangle.Right;
Vector4 alphaVector = new Vector4(1, 1, 1, alpha);
Parallel.For(
startY,
endY,
y =>
{
if (y >= sourceY && y < sourceBottom)
{
for (int x = startX; x < endX; x++)
{
Vector4 color = Color.ToNonPremultiplied(source[x, y]).ToVector4();
color *= alphaVector;
target[x, y] = Color.FromNonPremultiplied(new Color(color));
}
this.OnRowProcessed();
}
});
}
public override QuantizedImage Quantize(ImageBase image, int maxColors)
{
colors = NumUtils.Clamp(maxColors, 1, 255);
if (octree == null){
octree = new Octree(GetBitsNeededForColorDepth(maxColors));
}
return base.Quantize(image, maxColors);
}
public void Encode(ImageBase image, Stream stream)
{
JpegEncoderCore encode = new JpegEncoderCore();
if (subsampleSet){
encode.Encode(image, stream, Quality, Subsample);
} else{
encode.Encode(image, stream, Quality, Quality >= 80 ? JpegSubsample.Ratio444 : JpegSubsample.Ratio420);
}
}
/// <summary>
/// Applies the process to the specified portion of the specified <see cref="ImageBase"/> at the specified location
/// and with the specified size.
/// </summary>
/// <param name="target">Target image to apply the process to.</param>
/// <param name="source">The source image. Cannot be null.</param>
/// <param name="sourceRectangle">
/// The <see cref="Rectangle"/> structure that specifies the portion of the image object to draw.
/// </param>
/// <param name="startY">The index of the row within the source image to start processing.</param>
/// <param name="endY">The index of the row within the source image to end processing.</param>
/// <param name="kernel">The kernel operator.</param>
private void ApplyConvolution(
ImageBase target,
ImageBase source,
Rectangle sourceRectangle,
int startY,
int endY,
float[,] kernel)
{
int kernelHeight = kernel.GetLength(0);
int kernelWidth = kernel.GetLength(1);
int radiusY = kernelHeight >> 1;
int radiusX = kernelWidth >> 1;
int sourceY = sourceRectangle.Y;
int sourceBottom = sourceRectangle.Bottom;
int startX = sourceRectangle.X;
int endX = sourceRectangle.Right;
int maxY = sourceBottom - 1;
int maxX = endX - 1;
Parallel.For(
startY,
endY,
y =>
{
if (y >= sourceY && y < sourceBottom)
{
for (int x = startX; x < endX; x++)
{
Color destination = new Color();
// Apply each matrix multiplier to the color components for each pixel.
for (int fy = 0; fy < kernelHeight; fy++)
{
int fyr = fy - radiusY;
int offsetY = y + fyr;
offsetY = offsetY.Clamp(0, maxY);
for (int fx = 0; fx < kernelWidth; fx++)
{
int fxr = fx - radiusX;
int offsetX = x + fxr;
offsetX = offsetX.Clamp(0, maxX);
Color currentColor = source[offsetX, offsetY];
destination += kernel[fy, fx] * currentColor;
}
}
target[x, y] = destination;
}
this.OnRowProcessed();
}
});
}
/// <inheritdoc/>
protected override void AfterApply(ImageBase source, ImageBase target, Rectangle targetRectangle, Rectangle sourceRectangle)
{
new Vignette { Color = new Color(102 / 255f, 34 / 255f, 0) }.Apply(target, target, targetRectangle);
new Glow
{
Color = new Color(1, 153 / 255f, 102 / 255f, .7f),
RadiusX = target.Width / 4f,
RadiusY = target.Width / 4f
}
.Apply(target, target, targetRectangle);
}
/// <inheritdoc/>
protected override void OnApply(ImageBase source, ImageBase target, Rectangle targetRectangle, Rectangle sourceRectangle)
{
if (this.kernelY == null)
{
this.kernelY = this.CreateBoxKernel(false);
}
if (this.kernelX == null)
{
this.kernelX = this.CreateBoxKernel(true);
}
}
public OAMEditor(XElement langxml, Bank bank, SpriteBase sprite, ImageBase image, PaletteBase palette)
{
InitializeComponent();
this.bank = bank;
numOAM.Maximum = bank.oams.Length - 1;
preview = true;
this.sprite = sprite;
this.image = image;
this.palette = palette;
Read_Language(langxml);
}
/// <summary>
/// Execute the first pass through the pixels in the image
/// </summary>
/// <param name="source">The source data</param>
/// <param name="width">The width in pixels of the image.</param>
/// <param name="height">The height in pixels of the image.</param>
protected virtual void FirstPass(ImageBase source, int width, int height)
{
// Loop through each row
for (int y = 0; y < height; y++)
{
// And loop through each column
for (int x = 0; x < width; x++)
{
// Now I have the pixel, call the FirstPassQuantize function...
this.InitialQuantizePixel(source[x, y]);
}
}
}
public QuantizedImage Quantize(ImageBase image, int maxColors)
{
if (image == null){
throw new ArgumentNullException();
}
int colorCount = NumUtils.Clamp(maxColors,1, 256);
Clear();
using (IPixelAccessor imagePixels = image.Lock()){
Build3DHistogram(imagePixels);
Get3DMoments();
Box[] cube;
BuildCube(out cube, ref colorCount);
return GenerateResult(imagePixels, colorCount, cube);
}
}
/// <inheritdoc/>
protected override void Apply(
ImageBase target,
ImageBase source,
Rectangle targetRectangle,
Rectangle sourceRectangle,
int startY,
int endY)
{
float[,] kernelX = this.KernelX;
float[,] kernelY = this.KernelY;
ImageBase firstPass = new Image(source.Width, source.Height);
this.ApplyConvolution(firstPass, source, sourceRectangle, startY, endY, kernelX);
this.ApplyConvolution(target, firstPass, sourceRectangle, startY, endY, kernelY);
}
public void Apply(ImageBase target, ImageBase source, Rectangle rectangle)
{
for (int y = rectangle.Y; y < rectangle.Bottom; y++)
{
for (int x = rectangle.X; x < rectangle.Right; x++)
{
Color color = source[x, y];
color.R = (byte)(255 - color.R);
color.G = (byte)(255 - color.G);
color.B = (byte)(255 - color.B);
target[x, y] = color;
}
}
}
public OAMEditor(string langxml, Bank bank, SpriteBase sprite, ImageBase image, PaletteBase palette)
{
InitializeComponent();
this.bank = bank;
numOAM.Maximum = bank.oams.Length - 1;
numOffset.Maximum = (bank.data_size == 0)
? image.Tiles.Length / (0x20 << (int)sprite.BlockSize) - 1
: bank.data_size / (0x20 << (int)sprite.BlockSize) - 1;
preview = true;
this.sprite = sprite;
this.image = image;
this.palette = palette;
Read_Language(langxml);
}
/// <inheritdoc/>
public void Encode(ImageBase image, Stream stream)
{
Guard.NotNull(image, nameof(image));
Guard.NotNull(stream, nameof(stream));
int rowWidth = image.Width;
int amount = (image.Width * 3) % 4;
if (amount != 0)
{
rowWidth += 4 - amount;
}
using (BinaryWriter writer = new BinaryWriter(stream))
{
BmpFileHeader fileHeader = new BmpFileHeader
{
Type = 19778, // BM
Offset = 54,
FileSize = 54 + (image.Height * rowWidth * 3)
};
WriteHeader(writer, fileHeader);
BmpInfoHeader infoHeader = new BmpInfoHeader
{
HeaderSize = 40,
Height = image.Height,
Width = image.Width,
BitsPerPixel = 24,
Planes = 1,
Compression = BmpCompression.RGB,
ImageSize = image.Height * rowWidth * 3,
ClrUsed = 0,
ClrImportant = 0
};
WriteInfo(writer, infoHeader);
this.WriteImage(writer, image);
writer.Flush();
}
}
public void Apply(ImageBase target, ImageBase source, Rectangle rectangle)
{
byte temp = 0;
for (int y = rectangle.Y; y < rectangle.Bottom; y++)
{
for (int x = rectangle.X; x < rectangle.Right; x++)
{
Color color = source[x, y];
temp = (byte)(color.R * _cr + color.G * _cg + color.B * _cb);
color.R = temp;
color.G = temp;
color.B = temp;
target[x, y] = color;
}
}
}
public void Apply(ImageBase target, ImageBase source, Rectangle rectangle)
{
byte temp = 0;
for (int y = rectangle.Y; y < rectangle.Bottom; y++)
{
for (int x = rectangle.X; x < rectangle.Right; x++)
{
Color color = source[x, y];
temp = (byte)(0.299 * color.R + 0.587 * color.G + 0.114 * color.B);
color.R = (byte)((temp > 206) ? 255 : temp + 49);
color.G = (byte)((temp < 14) ? 0 : temp - 14);
color.B = (byte)((temp < 56) ? 0 : temp - 56);
target[x, y] = color;
}
}
}
public void Encode(ImageBase image, Stream stream, BmpBitsPerPixel bitsPerPixel)
{
if (image == null || stream == null)
{
throw new ArgumentNullException();
}
bmpBitsPerPixel = bitsPerPixel;
int rowWidth = image.Width;
// TODO: Check this for varying file formats.
int amount = (image.Width * (int)bmpBitsPerPixel) % 4;
if (amount != 0)
{
rowWidth += 4 - amount;
}
// Do not use IDisposable pattern here as we want to preserve the stream.
EndianBinaryWriter writer = new EndianBinaryWriter(EndianBitConverter.Little, stream);
int bpp = (int)bmpBitsPerPixel;
BmpFileHeader fileHeader = new BmpFileHeader {
Type = 19778, // BM
Offset = 54,
FileSize = 54 + image.Height * rowWidth * bpp
};
BmpInfoHeader infoHeader = new BmpInfoHeader {
HeaderSize = 40,
Height = image.Height,
Width = image.Width,
BitsPerPixel = (short)(8 * bpp),
Planes = 1,
ImageSize = image.Height * rowWidth * bpp,
ClrUsed = 0,
ClrImportant = 0
};
WriteHeader(writer, fileHeader);
WriteInfo(writer, infoHeader);
WriteImage(writer, image);
writer.Flush();
}
/// <summary>
/// Writes the graphics control extension to the stream.
/// </summary>
/// <typeparam name="T">The pixel format.</typeparam>
/// <typeparam name="TP">The packed format. <example>long, float.</example></typeparam>
/// <param name="image">The <see cref="ImageBase{T,TP}"/> to encode.</param>
/// <param name="writer">The stream to write to.</param>
/// <param name="transparencyIndex">The index of the color in the color palette to make transparent.</param>
private void WriteGraphicalControlExtension <T, TP>(ImageBase <T, TP> image, EndianBinaryWriter writer, int transparencyIndex)
where T : IPackedVector <TP>
where TP : struct
{
// TODO: Check transparency logic.
bool hasTransparent = transparencyIndex > -1;
DisposalMethod disposalMethod = hasTransparent
? DisposalMethod.RestoreToBackground
: DisposalMethod.Unspecified;
GifGraphicsControlExtension extension = new GifGraphicsControlExtension()
{
DisposalMethod = disposalMethod,
TransparencyFlag = hasTransparent,
TransparencyIndex = transparencyIndex,
DelayTime = image.FrameDelay
};
// Reduce the number of writes.
byte[] intro =
{
GifConstants.ExtensionIntroducer,
GifConstants.GraphicControlLabel,
4 // Size
};
writer.Write(intro);
PackedField field = new PackedField();
field.SetBits(3, 3, (int)extension.DisposalMethod); // 1-3 : Reserved, 4-6 : Disposal
// TODO: Allow this as an option.
field.SetBit(6, false); // 7 : User input - 0 = none
field.SetBit(7, extension.TransparencyFlag); // 8: Has transparent.
writer.Write(field.Byte);
writer.Write((ushort)extension.DelayTime);
writer.Write((byte)(extension.TransparencyIndex == -1 ? 255 : extension.TransparencyIndex));
writer.Write(GifConstants.Terminator);
}
public void Apply(ImageBase target, ImageBase source, Rectangle rectangle)
{
double pixel = 0, contrast = (100.0 + _contrast) / 100.0;
for (int y = rectangle.Y; y < rectangle.Bottom; y++)
{
for (int x = rectangle.X; x < rectangle.Right; x++)
{
Color color = source[x, y];
pixel = color.R / 255.0;
pixel -= 0.5;
pixel *= contrast;
pixel += 0.5;
pixel *= 255;
pixel = pixel.RemainBetween(0, 255);
color.R = (byte)pixel;
pixel = color.G / 255.0;
pixel -= 0.5;
pixel *= contrast;
pixel += 0.5;
pixel *= 255;
pixel = pixel.RemainBetween(0, 255);
color.G = (byte)pixel;
pixel = color.B / 255.0;
pixel -= 0.5;
pixel *= contrast;
pixel += 0.5;
pixel *= 255;
pixel = pixel.RemainBetween(0, 255);
color.B = (byte)pixel;
target[x, y] = color;
}
}
}
/// <inheritdoc/>
public virtual QuantizedImage <TColor> Quantize(ImageBase <TColor> image, int maxColors)
{
Guard.NotNull(image, nameof(image));
// Get the size of the source image
int height = image.Height;
int width = image.Width;
byte[] quantizedPixels = new byte[width * height];
TColor[] colorPalette;
using (PixelAccessor <TColor> pixels = image.Lock())
{
// Call the FirstPass function if not a single pass algorithm.
// For something like an Octree quantizer, this will run through
// all image pixels, build a data structure, and create a palette.
if (!this.singlePass)
{
this.FirstPass(pixels, width, height);
}
// Collect the palette. Required before the second pass runs.
colorPalette = this.GetPalette();
if (this.Dither)
{
// We clone the image as we don't want to alter the original.
using (Image <TColor> clone = new Image <TColor>(image))
using (PixelAccessor <TColor> clonedPixels = clone.Lock())
{
this.SecondPass(clonedPixels, quantizedPixels, width, height);
}
}
else
{
this.SecondPass(pixels, quantizedPixels, width, height);
}
}
return(new QuantizedImage <TColor>(width, height, colorPalette, quantizedPixels));
}
public void Apply(ImageBase target, ImageBase source, Rectangle rectangle)
{
double pixel = 0, contrast = (100.0 + _contrast) / 100.0;
for (int y = rectangle.Y; y < rectangle.Bottom; y++)
{
for (int x = rectangle.X; x < rectangle.Right; x++)
{
Color color = source[x, y];
pixel = color.R / 255.0;
pixel -= 0.5;
pixel *= contrast;
pixel += 0.5;
pixel *= 255;
pixel = pixel.RemainBetween(0, 255);
color.R = (byte)pixel;
pixel = color.G / 255.0;
pixel -= 0.5;
pixel *= contrast;
pixel += 0.5;
pixel *= 255;
pixel = pixel.RemainBetween(0, 255);
color.G = (byte)pixel;
pixel = color.B / 255.0;
pixel -= 0.5;
pixel *= contrast;
pixel += 0.5;
pixel *= 255;
pixel = pixel.RemainBetween(0, 255);
color.B = (byte)pixel;
target[x, y] = color;
}
}
}
/// <inheritdoc/>
protected override void OnApply(ImageBase <TPixel> source, Rectangle sourceRectangle)
{
using (ImageBase <TPixel> temp = new Image <TPixel>(source))
{
// Detect the edges.
new SobelProcessor <TPixel>().Apply(temp, sourceRectangle);
// Apply threshold binarization filter.
new BinaryThresholdProcessor <TPixel>(this.Value).Apply(temp, sourceRectangle);
// Search for the first white pixels
Rectangle rectangle = ImageMaths.GetFilteredBoundingRectangle(temp, 0);
if (rectangle == sourceRectangle)
{
return;
}
new CropProcessor <TPixel>(rectangle).Apply(source, sourceRectangle);
}
}
public override async Task <ImageBase> CacheHeroImage()
{
ImageBase img = null;
int width = -1;
foreach (ImageBase image in Images.FindAll(i => i.ImageType == SDK.Images.ImageType.Hero))
{
if (image.Width > width)
{
img = image;
width = image.Width;
}
}
img ??= (await GetScreenshots()).FirstOrDefault();
if (InternalPackage != null)
{
InternalPackage.HeroImageCache = img;
}
return(img);
}
/// <summary>
/// Encodes the image to the specified stream from the <see cref="ImageBase{TPixel}"/>.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="image">The <see cref="ImageBase{TPixel}"/> to encode from.</param>
/// <param name="stream">The <see cref="Stream"/> to encode the image data to.</param>
public void Encode <TPixel>(ImageBase <TPixel> image, Stream stream)
where TPixel : struct, IPixel <TPixel>
{
Guard.NotNull(image, nameof(image));
Guard.NotNull(stream, nameof(stream));
// Cast to int will get the bytes per pixel
short bpp = (short)(8 * (int)this.bitsPerPixel);
int bytesPerLine = 4 * (((image.Width * bpp) + 31) / 32);
this.padding = bytesPerLine - (image.Width * (int)this.bitsPerPixel);
// Do not use IDisposable pattern here as we want to preserve the stream.
EndianBinaryWriter writer = new EndianBinaryWriter(Endianness.LittleEndian, stream);
BmpInfoHeader infoHeader = new BmpInfoHeader
{
HeaderSize = BmpInfoHeader.Size,
Height = image.Height,
Width = image.Width,
BitsPerPixel = bpp,
Planes = 1,
ImageSize = image.Height * bytesPerLine,
ClrUsed = 0,
ClrImportant = 0
};
BmpFileHeader fileHeader = new BmpFileHeader
{
Type = 19778, // BM
Offset = 54,
FileSize = 54 + infoHeader.ImageSize
};
WriteHeader(writer, fileHeader);
this.WriteInfo(writer, infoHeader);
this.WriteImage(writer, image);
writer.Flush();
}
protected override void Apply(ImageBase target, ImageBase source, Rectangle rectangle, int startY, int endY)
{
var radius = Radius >= 0 ? Radius : Math.Min(rectangle.Width, rectangle.Height) * 0.5;
var radiusSq = radius * radius;
var centerX = (rectangle.Left + rectangle.Right) * 0.5;
var centerY = (rectangle.Top + rectangle.Bottom) * 0.5;
var count = offsetsX.Length;
var inc = 1.0 / count;
for (int y = startY; y < endY; y++)
{
for (int x = rectangle.X; x < rectangle.Right; x++)
{
var a = 0.0;
var color = source[x, y];
for (var i = 0; i < count; i++)
{
var cx = (x + offsetsX[i] - centerX);
var cy = (y + offsetsY[i] - centerY);
if (radiusSq > cx * cx + cy * cy)
{
a += inc;
}
}
if (a < 1.0)
{
color = new Color(
(byte)(color.R),
(byte)(color.G),
(byte)(color.B),
(byte)(a * color.A));
}
target[x, y] = color;
}
}
}
/// <inheritdoc/>
protected override void OnApply(ImageBase <TColor, TPacked> source, Rectangle sourceRectangle)
{
if (this.Image.Bounds.Size != this.Size)
{
this.Image = this.Image.Resize(this.Size.Width, this.Size.Height);
}
// Align start/end positions.
Rectangle bounds = this.Image.Bounds;
int minX = Math.Max(this.Location.X, sourceRectangle.X);
int maxX = Math.Min(this.Location.X + bounds.Width, sourceRectangle.Width);
int minY = Math.Max(this.Location.Y, sourceRectangle.Y);
int maxY = Math.Min(this.Location.Y + bounds.Height, sourceRectangle.Bottom);
float alpha = this.Alpha / 100F;
using (PixelAccessor <TColor, TPacked> toBlendPixels = this.Image.Lock())
using (PixelAccessor <TColor, TPacked> sourcePixels = source.Lock())
{
Parallel.For(
minY,
maxY,
this.ParallelOptions,
y =>
{
for (int x = minX; x < maxX; x++)
{
Vector4 backgroundVector = sourcePixels[x, y].ToVector4();
Vector4 sourceVector = toBlendPixels[x - minX, y - minY].ToVector4();
// Lerping colors is dependent on the alpha of the blended color
backgroundVector = Vector4BlendTransforms.PremultipliedLerp(backgroundVector, sourceVector, alpha);
TColor packed = default(TColor);
packed.PackFromVector4(backgroundVector);
sourcePixels[x, y] = packed;
}
});
}
}
public void Apply(ImageBase target, ImageBase source, Rectangle rectangle)
{
// Make sure we stop combining when the whole image that should be combined has been processed.
if (rectangle.Right > _blendedImage.PixelWidth)
{
rectangle.Width = _blendedImage.PixelWidth - rectangle.Left;
}
if (rectangle.Bottom > _blendedImage.PixelHeight)
{
rectangle.Height = _blendedImage.PixelHeight - rectangle.Top;
}
for (int y = rectangle.Y; y < rectangle.Bottom; y++)
{
for (int x = rectangle.X; x < rectangle.Right; x++)
{
Color color = source[x, y], blendedColor = _blendedImage[x, y];
// combining colors is dependent o the alpha of the blended color
double alphaFactor = GlobalAlphaFactor != null ? GlobalAlphaFactor.Value : blendedColor.A / 255.0;
double invertedAlphaFactor = 1 - alphaFactor;
int r = (int) (color.R * invertedAlphaFactor) + (int) (blendedColor.R * alphaFactor);
int g = (int) (color.G * invertedAlphaFactor) + (int) (blendedColor.G * alphaFactor);
int b = (int) (color.B * invertedAlphaFactor) + (int) (blendedColor.B * alphaFactor);
r = r.RemainBetween(0, 255);
g = g.RemainBetween(0, 255);
b = b.RemainBetween(0, 255);
color.R = (byte)r;
color.G = (byte)g;
color.B = (byte)b;
target[x, y] = color;
}
}
}
/// <summary>
/// Encodes the data of the specified image and writes the result to
/// the specified stream.
/// </summary>
/// <param name="image">The image, where the data should be get from.
/// Cannot be null (Nothing in Visual Basic).</param>
/// <param name="stream">The stream, where the image data should be written to.
/// Cannot be null (Nothing in Visual Basic).</param>
/// <exception cref="ArgumentNullException">
/// <para><paramref name="image"/> is null (Nothing in Visual Basic).</para>
/// <para>- or -</para>
/// <para><paramref name="stream"/> is null (Nothing in Visual Basic).</para>
/// </exception>
public void Encode(ImageBase image, Stream stream)
{
Guard.NotNull(image, "image");
Guard.NotNull(stream, "stream");
int rowWidth = image.PixelWidth;
int amount = (image.PixelWidth * 3) % 4;
if (amount != 0)
{
rowWidth += 4 - amount;
}
BinaryWriter writer = new BinaryWriter(stream);
BmpFileHeader fileHeader = new BmpFileHeader();
fileHeader.Type = 19778;
fileHeader.Offset = 54;
fileHeader.FileSize = 54 + image.PixelHeight * rowWidth * 3;
Write(writer, fileHeader);
BmpInfoHeader infoHeader = new BmpInfoHeader();
infoHeader.HeaderSize = 40;
infoHeader.Height = image.PixelHeight;
infoHeader.Width = image.PixelWidth;
infoHeader.BitsPerPixel = 24;
infoHeader.Planes = 1;
infoHeader.Compression = BmpCompression.RGB;
infoHeader.ImageSize = image.PixelHeight * rowWidth * 3;
infoHeader.ClrUsed = 0;
infoHeader.ClrImportant = 0;
Write(writer, infoHeader);
WriteImage(writer, image);
writer.Flush();
}
public void Apply(ImageBase target, ImageBase source, Rectangle rectangle)
{
PrepareFilter();
if (_filter != null)
{
int filterSize = _filter.GetLength(0);
for (int y = rectangle.Y; y < rectangle.Bottom; y++)
{
for (int x = rectangle.X; x < rectangle.Right; x++)
{
double r = 0, g = 0, b = 0;
Color color = source[x, y];
for (int filterY = 0; filterY < filterSize; filterY++)
{
for (int filterX = 0; filterX < filterSize; filterX++)
{
int imageX = (x - filterSize / 2 + filterX + rectangle.Width) % rectangle.Width;
int imageY = (y - filterSize / 2 + filterY + rectangle.Height) % rectangle.Height;
Color tempColor = source[imageX, imageY];
r += tempColor.R * _filter[filterX, filterY];
g += tempColor.G * _filter[filterX, filterY];
b += tempColor.B * _filter[filterX, filterY];
}
}
color.R = (byte)(_factor * r + _bias).RemainBetween(0, 255);
color.G = (byte)(_factor * g + _bias).RemainBetween(0, 255);
color.B = (byte)(_factor * b + _bias).RemainBetween(0, 255);
target[x, y] = color;
}
}
}
}
public void Apply(ImageBase target, ImageBase source, Rectangle rectangle)
{
// Make sure we stop combining when the whole image that should be combined has been processed.
if (rectangle.Right > _blendedImage.PixelWidth)
{
rectangle.Width = _blendedImage.PixelWidth - rectangle.Left;
}
if (rectangle.Bottom > _blendedImage.PixelHeight)
{
rectangle.Height = _blendedImage.PixelHeight - rectangle.Top;
}
for (int y = rectangle.Y; y < rectangle.Bottom; y++)
{
for (int x = rectangle.X; x < rectangle.Right; x++)
{
Color color = source[x, y], blendedColor = _blendedImage[x, y];
// combining colors is dependent o the alpha of the blended color
double alphaFactor = GlobalAlphaFactor != null ? GlobalAlphaFactor.Value : blendedColor.A / 255.0;
double invertedAlphaFactor = 1 - alphaFactor;
int r = (int)(color.R * invertedAlphaFactor) + (int)(blendedColor.R * alphaFactor);
int g = (int)(color.G * invertedAlphaFactor) + (int)(blendedColor.G * alphaFactor);
int b = (int)(color.B * invertedAlphaFactor) + (int)(blendedColor.B * alphaFactor);
r = r.RemainBetween(0, 255);
g = g.RemainBetween(0, 255);
b = b.RemainBetween(0, 255);
color.R = (byte)r;
color.G = (byte)g;
color.B = (byte)b;
target[x, y] = color;
}
}
}
/// <summary>
/// Encodes the data of the specified image and writes the result to
/// the specified stream.
/// </summary>
/// <param name="image">The image, where the data should be get from.
/// Cannot be null (Nothing in Visual Basic).</param>
/// <param name="stream">The stream, where the image data should be written to.
/// Cannot be null (Nothing in Visual Basic).</param>
/// <exception cref="ArgumentNullException">
/// <para><paramref name="image"/> is null (Nothing in Visual Basic).</para>
/// <para>- or -</para>
/// <para><paramref name="stream"/> is null (Nothing in Visual Basic).</para>
/// </exception>
public void Encode(ImageBase image, Stream stream)
{
Guard.NotNull(image, "image");
Guard.NotNull(stream, "stream");
// Write the png header.
stream.Write(
new byte[]
{
0x89, 0x50, 0x4E, 0x47,
0x0D, 0x0A, 0x1A, 0x0A
}, 0, 8);
PngHeader header = new PngHeader();
header.Width = image.PixelWidth;
header.Height = image.PixelHeight;
header.ColorType = 6;
header.BitDepth = 8;
header.FilterMethod = 0;
header.CompressionMethod = 0;
header.InterlaceMethod = 0;
WriteHeaderChunk(stream, header);
WritePhysicsChunk(stream, image);
WriteGammaChunk(stream);
if (IsWritingUncompressed)
{
WriteDataChunksFast(stream, image);
}
else
{
WriteDataChunks(stream, image);
}
WriteEndChunk(stream);
stream.Flush();
}
public void FileSave(ImageBase model, Context context)
{
var imagList = Request.Form["FileList"];
if (string.IsNullOrEmpty(imagList))
{
return;
}
model.FileList = Newtonsoft.Json.JsonConvert.DeserializeObject <List <FileModel> >(imagList);
var type = model.FileList.Select(x => new { x.Type, x.SubType }).Distinct().ToList();
List <Pictures> a = new List <Pictures>();
foreach (var item in type)
{
var fileList = context.Pictures.Where(x => x.RecordType == item.Type && x.RecordType2 == item.SubType && (x.RelationId == model.Id || x.RelationId == Guid.Empty));
a.AddRange(fileList);
}
//Silinecekler
var del = a.Where(x => model.FileList.Any(t => t.IsDeleted && t.Id == x.Id)).ToList();
//dataDelete
context.Pictures.RemoveRange(del);
//Update
var update = a.Where(x => model.FileList.Any(t => !t.IsDeleted && x.Id == t.Id)).ToList();
foreach (var item in update)
{
var f = model.FileList.FirstOrDefault(x => x.Id == item.Id);
if (item.RelationId == Guid.Empty)
{
item.RelationId = model.Id;
}
item.RecordType2 = f.SubType;
item.Title = f.Title;
}
context.Pictures.UpdateRange(update);
}
/// <inheritdoc/>
public void Encode(ImageBase imageBase, Stream stream)
{
Guard.NotNull(imageBase, nameof(imageBase));
Guard.NotNull(stream, nameof(stream));
Image image = (Image)imageBase;
// Write the header.
// File Header signature and version.
this.WriteString(stream, GifConstants.FileType);
this.WriteString(stream, GifConstants.FileVersion);
// Calculate the quality.
int quality = this.Quality > 0 ? this.Quality : imageBase.Quality;
quality = quality > 0 ? quality.Clamp(1, 256) : 256;
// Get the number of bits.
int bitDepth = this.GetBitsNeededForColorDepth(quality);
// Write the LSD and check to see if we need a global color table.
// Always true just now.
this.WriteGlobalLogicalScreenDescriptor(image, stream, bitDepth);
QuantizedImage quantized = this.WriteColorTable(imageBase, stream, quality, bitDepth);
this.WriteGraphicalControlExtension(imageBase, stream);
this.WriteImageDescriptor(quantized, quality, stream);
if (image.Frames.Any())
{
this.WriteApplicationExtension(stream, image.RepeatCount, image.Frames.Count);
foreach (ImageFrame frame in image.Frames)
{
this.WriteGraphicalControlExtension(frame, stream);
this.WriteFrameImageDescriptor(frame, stream);
}
}
// TODO: Write Comments extension etc
this.WriteByte(stream, GifConstants.EndIntroducer);
}
/// <inheritdoc/>
protected override void OnApply(ImageBase <TColor, TPacked> source, Rectangle sourceRectangle)
{
ImageBase <TColor, TPacked> temp = new Image <TColor, TPacked>(source.Width, source.Height);
temp.ClonePixels(source.Width, source.Height, source.Pixels);
// Detect the edges.
new SobelProcessor <TColor, TPacked>().Apply(temp, sourceRectangle);
// Apply threshold binarization filter.
new BinaryThresholdProcessor <TColor, TPacked>(this.Value).Apply(temp, sourceRectangle);
// Search for the first white pixels
Rectangle rectangle = ImageMaths.GetFilteredBoundingRectangle(temp, 0);
if (rectangle == sourceRectangle)
{
return;
}
new CropProcessor <TColor, TPacked>(rectangle).Apply(source, sourceRectangle);
}
public virtual QuantizedImage Quantize(ImageBase image, int maxColors)
{
if (image == null)
{
throw new ArgumentNullException();
}
int height = image.Height;
int width = image.Width;
byte[] quantizedPixels = new byte[width * height];
List <Color2> palette;
using (IPixelAccessor pixels = image.Lock()){
if (!singlePass)
{
FirstPass(pixels, width, height);
}
palette = GetPalette();
SecondPass(pixels, quantizedPixels, width, height);
}
return(new QuantizedImage(width, height, palette.ToArray(), quantizedPixels, TransparentIndex));
}
/// <summary>
/// Writes the physical dimension information to the stream.
/// </summary>
/// <typeparam name="T">The pixel format.</typeparam>
/// <typeparam name="TP">The packed format. <example>long, float.</example></typeparam>
/// <param name="stream">The <see cref="Stream"/> containing image data.</param>
/// <param name="imageBase">The image base.</param>
private void WritePhysicalChunk <T, TP>(Stream stream, ImageBase <T, TP> imageBase)
where T : IPackedVector <TP>
where TP : struct
{
Image <T, TP> image = imageBase as Image <T, TP>;
if (image != null && image.HorizontalResolution > 0 && image.VerticalResolution > 0)
{
// 39.3700787 = inches in a meter.
int dpmX = (int)Math.Round(image.HorizontalResolution * 39.3700787D);
int dpmY = (int)Math.Round(image.VerticalResolution * 39.3700787D);
byte[] chunkData = new byte[9];
WriteInteger(chunkData, 0, dpmX);
WriteInteger(chunkData, 4, dpmY);
chunkData[8] = 1;
this.WriteChunk(stream, PngChunkTypes.Physical, chunkData);
}
}
private void WriteImage(EndianBinaryWriter writer, ImageBase image)
{
// TODO: Add more compression formats.
int amount = (image.Width * (int)bmpBitsPerPixel) % 4;
if (amount != 0)
{
amount = 4 - amount;
}
using (IPixelAccessor pixels = image.Lock()){
switch (bmpBitsPerPixel)
{
case BmpBitsPerPixel.Pixel32:
Write32bit(writer, pixels, amount);
break;
case BmpBitsPerPixel.Pixel24:
Write24bit(writer, pixels, amount);
break;
}
}
}
/// <inheritdoc/>
protected override void OnApply(ImageBase <TPixel> source, Rectangle sourceRectangle)
{
int startY = sourceRectangle.Y;
int endY = sourceRectangle.Bottom;
int startX = sourceRectangle.X;
int endX = sourceRectangle.Right;
// Align start/end positions.
int minX = Math.Max(0, startX);
int maxX = Math.Min(source.Width, endX);
int minY = Math.Max(0, startY);
int maxY = Math.Min(source.Height, endY);
// Reset offset if necessary.
if (minX > 0)
{
startX = 0;
}
if (minY > 0)
{
startY = 0;
}
using (PixelAccessor <TPixel> sourcePixels = source.Lock())
{
for (int y = minY; y < maxY; y++)
{
int offsetY = y - startY;
for (int x = minX; x < maxX; x++)
{
int offsetX = x - startX;
TPixel sourceColor = sourcePixels[offsetX, offsetY];
TPixel transformedColor = sourceColor.ToVector4().X >= this.Threshold ? this.UpperColor : this.LowerColor;
this.Diffuser.Dither(sourcePixels, sourceColor, transformedColor, offsetX, offsetY, maxX, maxY);
}
}
}
}
/// <inheritdoc/>
protected override void OnApply(ImageBase <TPixel> source, Rectangle sourceRectangle)
{
int startY = sourceRectangle.Y;
int endY = sourceRectangle.Bottom;
int startX = sourceRectangle.X;
int endX = sourceRectangle.Right;
// Align start/end positions.
int minX = Math.Max(0, startX);
int maxX = Math.Min(source.Width, endX);
int minY = Math.Max(0, startY);
int maxY = Math.Min(source.Height, endY);
// Reset offset if necessary.
if (minX > 0)
{
startX = 0;
}
if (minY > 0)
{
startY = 0;
}
byte[] bytes = new byte[4];
for (int y = minY; y < maxY; y++)
{
int offsetY = y - startY;
Span <TPixel> row = source.GetRowSpan(offsetY);
for (int x = minX; x < maxX; x++)
{
int offsetX = x - startX;
TPixel sourceColor = row[offsetX];
this.Dither.Dither(source, sourceColor, this.UpperColor, this.LowerColor, bytes, this.Index, offsetX, offsetY, maxX, maxY);
}
}
}
/// <inheritdoc/>
protected override void Apply(ImageBase target, ImageBase source, Rectangle targetRectangle, Rectangle sourceRectangle, int startY, int endY)
{
int sourceY = sourceRectangle.Y;
int sourceBottom = sourceRectangle.Bottom;
int startX = sourceRectangle.X;
int endX = sourceRectangle.Right;
Rectangle bounds = this.toBlend.Bounds;
float alpha = this.Value / 100f;
Parallel.For(
startY,
endY,
y =>
{
if (y >= sourceY && y < sourceBottom)
{
for (int x = startX; x < endX; x++)
{
Color color = source[x, y];
if (bounds.Contains(x, y))
{
Color blendedColor = this.toBlend[x, y];
if (blendedColor.A > 0)
{
// Lerping colors is dependent on the alpha of the blended color
float alphaFactor = alpha > 0 ? alpha : blendedColor.A;
color = Color.Lerp(color, blendedColor, alphaFactor);
}
}
target[x, y] = color;
}
this.OnRowProcessed();
}
});
}
protected override void Apply(ImageBase target, ImageBase source, Rectangle rectangle, int startY, int endY)
{
if (UseHsbSpace)
{
HsbColor tint = HsbColor.FromRgb(TintColor);
for (int y = startY; y < endY; y++)
{
for (int x = rectangle.X; x < rectangle.Right; x++)
{
Color color = source[x, y];
HsbColor hsb = HsbColor.FromRgb(color);
hsb.H = tint.H;
hsb.A *= tint.A;
target[x, y] = hsb.ToRgb();
}
}
}
else
{
for (int y = startY; y < endY; y++)
{
for (int x = rectangle.X; x < rectangle.Right; x++)
{
Color color = source[x, y];
target[x, y] = new Color(
r: (byte)(color.R * TintColor.R / 255),
g: (byte)(color.G * TintColor.G / 255),
b: (byte)(color.B * TintColor.B / 255),
a: color.A);
}
}
}
}
/// <summary>
/// Collects the grayscale pixel data.
/// </summary>
/// <typeparam name="T">The pixel format.</typeparam>
/// <typeparam name="TP">The packed format. <example>long, float.</example></typeparam>
/// <param name="image">The image to encode.</param>
private void CollectGrayscaleBytes <T, TP>(ImageBase <T, TP> image)
where T : IPackedVector <TP>
where TP : struct
{
// Copy the pixels across from the image.
this.pixelData = new byte[this.width * this.height * this.bytesPerPixel];
int stride = this.width * this.bytesPerPixel;
using (IPixelAccessor <T, TP> pixels = image.Lock())
{
Parallel.For(
0,
this.height,
Bootstrapper.Instance.ParallelOptions,
y =>
{
for (int x = 0; x < this.width; x++)
{
// Convert the color to YCbCr and store the luminance
// Optionally store the original color alpha.
int dataOffset = (y * stride) + (x * this.bytesPerPixel);
Color source = new Color(pixels[x, y].ToVector4());
YCbCr luminance = source;
for (int i = 0; i < this.bytesPerPixel; i++)
{
if (i == 0)
{
this.pixelData[dataOffset] = ((byte)luminance.Y).Clamp(0, 255);
}
else
{
this.pixelData[dataOffset + i] = source.A;
}
}
}
});
}
}
/// <summary>
/// Rotates the image 180 degrees clockwise at the centre point.
/// </summary>
/// <param name="target">The target image.</param>
/// <param name="source">The source image.</param>
private void Rotate180(ImageBase <TColor, TPacked> target, ImageBase <TColor, TPacked> source)
{
int width = source.Width;
int height = source.Height;
using (PixelAccessor <TColor, TPacked> sourcePixels = source.Lock())
using (PixelAccessor <TColor, TPacked> targetPixels = target.Lock())
{
Parallel.For(
0,
height,
this.ParallelOptions,
y =>
{
for (int x = 0; x < width; x++)
{
int newX = width - x - 1;
int newY = height - y - 1;
targetPixels[newX, newY] = sourcePixels[x, y];
}
});
}
}
public static WriteableBitmap ToBitmap(ImageBase image)
{
Guard.NotNull(image, "image");
var bitmap = new WriteableBitmap(image.PixelWidth, image.PixelHeight);
ImageBase temp = image;
byte[] pixels = temp.Pixels;
int[] raster = bitmap.Pixels;
Buffer.BlockCopy(pixels, 0, raster, 0, pixels.Length);
for (int i = 0; i < raster.Length; i++)
{
int abgr = raster[i];
int a = (abgr >> 24) & 0xff;
float m = a / 255f;
int argb = a << 24 |
(int)((abgr & 0xff) * m) << 16 |
(int)(((abgr >> 8) & 0xff) * m) << 8 |
(int)(((abgr >> 16) & 0xff) * m);
raster[i] = argb;
}
bitmap.Invalidate();
return(bitmap);
}
public override void Write(string fileOut, ImageBase image, PaletteBase palette)
{
BinaryWriter bw = new BinaryWriter(File.OpenWrite(fileOut));
bw.Write(scx.type);
bw.Write(scx.unknown1);
bw.Write(scx.unknown2);
bw.Write(scx.unknown3);
bw.Write(scx.unknown4);
bw.Write((ushort)Width);
bw.Write((ushort)Height);
bw.Write(Map.Length * 2);
bw.Write(Map.Length * 2);
for (int i = 0; i < Map.Length; i++)
{
bw.Write(Actions.MapInfo(Map[i]));
}
bw.Flush();
bw.Close();
}
/// <inheritdoc/>
public override void Apply(ImageBase <TColor, TPacked> target, ImageBase <TColor, TPacked> source, Rectangle targetRectangle, Rectangle sourceRectangle, int startY, int endY)
{
int startX = targetRectangle.X;
int endX = targetRectangle.Right;
int sourceX = sourceRectangle.X;
int sourceY = sourceRectangle.Y;
using (PixelAccessor <TColor, TPacked> sourcePixels = source.Lock())
using (PixelAccessor <TColor, TPacked> targetPixels = target.Lock())
{
Parallel.For(
startY,
endY,
this.ParallelOptions,
y =>
{
for (int x = startX; x < endX; x++)
{
targetPixels[x, y] = sourcePixels[x + sourceX, y + sourceY];
}
});
}
}
/// <inheritdoc/>
public QuantizedImage Quantize(ImageBase imageBase)
{
// Get the size of the source image
int height = imageBase.Height;
int width = imageBase.Width;
// Call the FirstPass function if not a single pass algorithm.
// For something like an Octree quantizer, this will run through
// all image pixels, build a data structure, and create a palette.
if (!this.singlePass)
{
this.FirstPass(imageBase, width, height);
}
byte[] quantizedPixels = new byte[width * height];
// Get the pallete
List<Bgra32> palette = this.GetPalette();
this.SecondPass(imageBase, quantizedPixels, width, height);
return new QuantizedImage(width, height, palette.ToArray(), quantizedPixels);
}
/// <summary>
/// Applies the box filter kernel around one pixel.
/// </summary>
/// <param name="original">The original image to blur</param>
/// <param name="target">The result</param>
/// <param name="centerRow">Vertical coordinate of the result pixel</param>
/// <param name="centerCol">Horizontal coordinate of the result pixel</param>
protected virtual void Kernel(ImageBase original, ImageBase target, int centerRow, int centerCol)
{
int top = Math.Max(0, centerRow - radius);
int bottom = Math.Min(original.Height - 1, centerRow + radius);
int left = Math.Max(0, centerCol - radius);
int right = Math.Min(original.Width - 1, centerCol + radius);
int area = (bottom - top + 1) * (right - left + 1);
float normalization = 1.0f / area;
for (int chan = 0; chan < original.NumChannels; ++chan)
{
float result = 0;
for (int row = top; row <= bottom; ++row)
{
for (int col = left; col <= right; ++col)
{
result += original.GetPixelChannel(col, row, chan) * normalization;
}
}
target.SetPixelChannel(centerCol, centerRow, chan, result);
}
}
public void Resize(ImageBase source, ImageBase target, int width, int height)
{
byte[] newPixels = new byte[width * height * 4];
double xFactor = (double)source.PixelWidth / width;
double yFactor = (double)source.PixelHeight / height;
int dstOffsetLine = 0;
int dstOffset = 0;
int srcOffsetLine = 0;
int srcOffset = 0;
byte[] sourcePixels = source.Pixels;
for (int y = 0; y < height; y++)
{
dstOffsetLine = 4 * width * y;
// Calculate the line offset at the source image, where the pixels should be get from.
srcOffsetLine = 4 * source.PixelWidth * (int)(y * yFactor);
for (int x = 0; x < width; x++)
{
dstOffset = dstOffsetLine + 4 * x;
srcOffset = srcOffsetLine + 4 * (int)(x * xFactor);
newPixels[dstOffset + 0] = sourcePixels[srcOffset + 0];
newPixels[dstOffset + 1] = sourcePixels[srcOffset + 1];
newPixels[dstOffset + 2] = sourcePixels[srcOffset + 2];
newPixels[dstOffset + 3] = sourcePixels[srcOffset + 3];
}
}
target.SetPixels(width, height, newPixels);
}
/// <summary>
/// Writes the graphics control extension to the stream.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="image">The <see cref="ImageBase{TPixel}"/> to encode.</param>
/// <param name="metaData">The metadata of the image or frame.</param>
/// <param name="writer">The stream to write to.</param>
/// <param name="transparencyIndex">The index of the color in the color palette to make transparent.</param>
private void WriteGraphicalControlExtension <TPixel>(ImageBase <TPixel> image, IMetaData metaData, EndianBinaryWriter writer, int transparencyIndex)
where TPixel : struct, IPixel <TPixel>
{
// TODO: Check transparency logic.
bool hasTransparent = transparencyIndex < 255;
DisposalMethod disposalMethod = hasTransparent
? DisposalMethod.RestoreToBackground
: DisposalMethod.Unspecified;
GifGraphicsControlExtension extension = new GifGraphicsControlExtension()
{
DisposalMethod = disposalMethod,
TransparencyFlag = hasTransparent,
TransparencyIndex = transparencyIndex,
DelayTime = metaData.FrameDelay
};
// Write the intro.
this.buffer[0] = GifConstants.ExtensionIntroducer;
this.buffer[1] = GifConstants.GraphicControlLabel;
this.buffer[2] = 4;
writer.Write(this.buffer, 0, 3);
PackedField field = default(PackedField);
field.SetBits(3, 3, (int)extension.DisposalMethod); // 1-3 : Reserved, 4-6 : Disposal
// TODO: Allow this as an option.
field.SetBit(6, false); // 7 : User input - 0 = none
field.SetBit(7, extension.TransparencyFlag); // 8: Has transparent.
writer.Write(field.Byte);
writer.Write((ushort)extension.DelayTime);
writer.Write((byte)extension.TransparencyIndex);
writer.Write(GifConstants.Terminator);
}
/// <summary>
/// Rotates the image 90 degrees clockwise at the centre point.
/// </summary>
/// <param name="source">The source image.</param>
private void Rotate90(ImageBase <TPixel> source)
{
int width = source.Width;
int height = source.Height;
using (var targetPixels = new PixelAccessor <TPixel>(height, width))
{
Parallel.For(
0,
height,
this.ParallelOptions,
y =>
{
Span <TPixel> sourceRow = source.GetRowSpan(y);
int newX = height - y - 1;
for (int x = 0; x < width; x++)
{
targetPixels[newX, x] = sourceRow[x];
}
});
source.SwapPixelsBuffers(targetPixels);
}
}
