public static void AreNotEqual(IMagickColor <QuantumType> notExpected, IMagickImage <QuantumType> image, int x, int y)
{
using (var collection = image.GetPixelsUnsafe())
{
AreNotEqual(notExpected, collection.GetPixel(x, y), $" at position {x}x{y}");
}
}
private static void FixAlpha(IMagickImage <QuantumType> image, QuantumType min, QuantumType max)
{
using (var pixels = image.GetPixelsUnsafe())
{
var alphaIndex = pixels.GetIndex(PixelChannel.Alpha);
var channels = pixels.Channels;
for (int y = 0; y < image.Height; y++)
{
var row = pixels.GetArea(0, y, image.Width, 1);
if (row is null)
{
continue;
}
for (int i = alphaIndex; i < row.Length; i += channels)
{
if (row[i] <= min)
{
row[i] = 0;
}
else if (row[i] >= max)
{
row[i] = Quantum.Max;
}
}
pixels.SetArea(0, y, image.Width, 1, row);
}
}
}
public static void AreEqual(IMagickColor <QuantumType> expected, IMagickImage <QuantumType> image, int x, int y)
{
using (var pixels = image.GetPixelsUnsafe())
{
AreEqual(expected, pixels.GetPixel(x, y), $" at position {x}x{y}");
}
}
public static void AreNotEqual(MagickColor notExpected, IMagickImage image, int x, int y)
{
using (IPixelCollection collection = image.GetPixelsUnsafe())
{
AreNotEqual(notExpected, collection.GetPixel(x, y));
}
}
public static void AreEqual(MagickColor expected, IMagickImage image, int x, int y)
{
using (IPixelCollection pixels = image.GetPixelsUnsafe())
{
AreEqual(expected, pixels.GetPixel(x, y));
}
}
private static Bitmap ToBitmap <TQuantumType>(this IMagickImage <TQuantumType> self, bool useDensity)
where TQuantumType : struct
{
Throw.IfNull(nameof(self), self);
IMagickImage <TQuantumType> image = self;
var format = PixelFormat.Format24bppRgb;
try
{
if (!IssRGBCompatibleColorspace(image.ColorSpace))
{
image = self.Clone();
image.ColorSpace = ColorSpace.sRGB;
}
if (image.HasAlpha)
{
format = PixelFormat.Format32bppArgb;
}
using (var pixels = image.GetPixelsUnsafe())
{
var mapping = GetMapping(format);
var bitmap = new Bitmap(image.Width, image.Height, format);
for (int y = 0; y < image.Height; y++)
{
var row = new Rectangle(0, y, image.Width, 1);
var data = bitmap.LockBits(row, ImageLockMode.WriteOnly, format);
var destination = data.Scan0;
var bytes = pixels.ToByteArray(0, y, image.Width, 1, mapping);
if (bytes != null)
{
Marshal.Copy(bytes, 0, destination, bytes.Length);
}
bitmap.UnlockBits(data);
}
SetBitmapDensity(self, bitmap, useDensity);
return(bitmap);
}
}
finally
{
if (!ReferenceEquals(self, image))
{
image.Dispose();
}
}
}
private static Bitmap ToBitmap <TQuantumType>(this IMagickImage <TQuantumType> self, bool useDensity)
where TQuantumType : struct
{
Throw.IfNull(nameof(self), self);
IMagickImage <TQuantumType> image = self;
var isGray = image.ChannelCount == 1 && image.ColorSpace == ColorSpace.Gray;
var format = isGray ? PixelFormat.Format8bppIndexed : PixelFormat.Format24bppRgb;
try
{
if (!isGray)
{
if (image.ColorSpace != ColorSpace.sRGB)
{
image = self.Clone();
image.ColorSpace = ColorSpace.sRGB;
}
if (image.HasAlpha)
{
format = PixelFormat.Format32bppArgb;
}
}
using (var pixels = image.GetPixelsUnsafe())
{
var bitmap = new Bitmap(image.Width, image.Height, format);
if (typeof(TQuantumType) == typeof(byte) && isGray)
{
CopyGrayPixels(image, pixels, format, bitmap);
}
else
{
CopyPixels(image, pixels, format, bitmap);
}
SetBitmapDensity(self, bitmap, useDensity);
return(bitmap);
}
}
finally
{
if (!ReferenceEquals(self, image))
{
image.Dispose();
}
}
}
private static BitmapSource ToBitmapSource <TQuantumType>(this IMagickImage <TQuantumType> self, bool useDensity)
where TQuantumType : struct
{
Throw.IfNull(nameof(self), self);
IMagickImage <TQuantumType> image = self;
var mapping = "RGB";
var format = MediaPixelFormats.Rgb24;
try
{
if (self.ColorSpace == ColorSpace.CMYK && !image.HasAlpha)
{
mapping = "CMYK";
format = MediaPixelFormats.Cmyk32;
}
else
{
if (image.ColorSpace != ColorSpace.sRGB)
{
image = self.Clone();
image.ColorSpace = ColorSpace.sRGB;
}
if (image.HasAlpha)
{
mapping = "BGRA";
format = MediaPixelFormats.Bgra32;
}
}
var step = format.BitsPerPixel / 8;
var stride = image.Width * step;
using (var pixels = image.GetPixelsUnsafe())
{
var bytes = pixels.ToByteArray(mapping);
var dpi = image.GetDefaultDensity(useDensity ? DensityUnit.PixelsPerInch : DensityUnit.Undefined);
return(BitmapSource.Create(image.Width, image.Height, dpi.X, dpi.Y, format, null, bytes, stride));
}
}
finally
{
if (!ReferenceEquals(self, image))
{
image.Dispose();
}
}
}
public Bitmap ToBitmap(BitmapDensity bitmapDensity)
{
IMagickImage image = this;
string mapping = "BGR";
var format = PixelFormat.Format24bppRgb;
try
{
if (image.ColorSpace != ColorSpace.sRGB)
{
image = Clone();
image.ColorSpace = ColorSpace.sRGB;
}
if (image.HasAlpha)
{
mapping = "BGRA";
format = PixelFormat.Format32bppArgb;
}
using (IPixelCollection pixels = image.GetPixelsUnsafe())
{
var bitmap = new Bitmap(image.Width, image.Height, format);
var data = bitmap.LockBits(new Rectangle(0, 0, image.Width, image.Height), ImageLockMode.ReadWrite, format);
var destination = data.Scan0;
for (int y = 0; y < Height; y++)
{
byte[] bytes = pixels.ToByteArray(0, y, Width, 1, mapping);
Marshal.Copy(bytes, 0, destination, bytes.Length);
destination = new IntPtr(destination.ToInt64() + data.Stride);
}
bitmap.UnlockBits(data);
SetBitmapDensity(bitmap, bitmapDensity);
return(bitmap);
}
}
finally
{
if (!ReferenceEquals(this, image))
{
image.Dispose();
}
}
}
public BitmapSource ToBitmapSource(BitmapDensity bitmapDensity)
{
IMagickImage image = this;
var mapping = "RGB";
var format = MediaPixelFormats.Rgb24;
try
{
if (ColorSpace == ColorSpace.CMYK && !image.HasAlpha)
{
mapping = "CMYK";
format = MediaPixelFormats.Cmyk32;
}
else
{
if (ColorSpace != ColorSpace.sRGB)
{
image = Clone();
image.ColorSpace = ColorSpace.sRGB;
}
if (image.HasAlpha)
{
mapping = "BGRA";
format = MediaPixelFormats.Bgra32;
}
}
var step = format.BitsPerPixel / 8;
var stride = Width * step;
using (IPixelCollection pixels = image.GetPixelsUnsafe())
{
var bytes = pixels.ToByteArray(mapping);
var dpi = GetDpi(bitmapDensity);
return(BitmapSource.Create(Width, Height, dpi.X, dpi.Y, format, null, bytes, stride));
}
}
finally
{
if (!ReferenceEquals(this, image))
{
image.Dispose();
}
}
}
