public PngHeader(int width, int height, byte bitdepth, ColorModel colorModel)
{
Width = width;
Height = height;
BitDepth = bitdepth;
ColorModel = colorModel;
bool alpha = (colorModel & ColorModel.Alpha) == ColorModel.Alpha;
bool palette = (colorModel & ColorModel.Palette) == ColorModel.Palette;
bool grayscale = (colorModel & ColorModel.Color) != ColorModel.Color;
bool packed = bitdepth < 8;
if (grayscale && palette)
throw new ArgumentOutOfRangeException("palette and greyscale are exclusive");
int channels = (grayscale || palette) ?
(alpha ? 2 : 1) : // Grayscale or Palette
(alpha ? 4 : 3); // RGB
int bpp = channels * BitDepth;
BytesPerPixel = (bpp + 7) / 8;
Stride = (bpp * width + 7) / 8;
int samplesPerRow = channels * width;
int samplesPerRowPacked = (packed) ? Stride : samplesPerRow;
}
public static void GetColorComponents(ColorModel colorModel, Color color, out Single componentA, out Single componentB, out Single componentC)
{
componentA = 0.0f;
componentB = 0.0f;
componentC = 0.0f;
switch (colorModel)
{
case ColorModel.RedGreenBlue:
componentA = color.R;
componentB = color.G;
componentC = color.B;
break;
case ColorModel.HueSaturationBrightness:
componentA = color.GetHue();
componentB = color.GetSaturation();
componentC = color.GetBrightness();
break;
case ColorModel.LabColorSpace:
RGBtoLab(color.R, color.G, color.B, out componentA, out componentB, out componentC);
break;
case ColorModel.XYZ:
RGBtoXYZ(color.R, color.G, color.B, out componentA, out componentB, out componentC);
break;
}
}
/// <summary>
/// Converts the PCS color into the device color
/// </summary>
/// <param name="Profile">The profile that will be used for the conversion</param>
/// <param name="pcs">The PCS color (has to match the profiles PCS color type)</param>
/// <param name="PrefRenderingIntent">The preferred rendering intent</param>
/// <returns>The converted color in the device color type</returns>
public Color ToDevice(ICC Profile, Color pcs, RenderingIntent PrefRenderingIntent)
{
InValues = pcs.ColorArray;
InModel = pcs.Model;
this.Profile = Profile;
PreferredRenderingIntent = PrefRenderingIntent;
IsDefault = true;
return Do_PCS();
}
public static ColorModel Invert(this ColorModel color)
{
ColorModel model = new ColorModel()
{
Red = ~(byte)color.Red,
Green = ~(byte)color.Green,
Blue = ~(byte)color.Blue
};
return model;
}
public ColorConverterSmartTagAction(ITrackingSpan span, ParseItem item, ColorModel colorModel, ColorFormat format)
{
_span = span;
_item = item;
_format = format;
_colorModel = colorModel;
if (Icon == null)
{
Icon = BitmapFrame.Create(new Uri("pack://application:,,,/WebEssentials2013;component/Resources/palette.png", UriKind.RelativeOrAbsolute));
}
SetDisplayText();
}
public static void GetColorComponents(ColorModel colorModel, Color color, Color targetColor, out Single componentA, out Single componentB, out Single componentC)
{
componentA = 0.0f;
componentB = 0.0f;
componentC = 0.0f;
switch (colorModel)
{
case ColorModel.RedGreenBlue:
componentA = color.R - targetColor.R;
componentB = color.G - targetColor.G;
componentC = color.B - targetColor.B;
break;
case ColorModel.HueSaturationBrightness:
componentA = color.GetHue() - targetColor.GetHue();
componentB = color.GetSaturation() - targetColor.GetSaturation();
componentC = color.GetBrightness() - targetColor.GetBrightness();
break;
case ColorModel.LabColorSpace:
Single sourceL, sourceA, sourceB;
Single targetL, targetA, targetB;
RGBtoLab(color.R, color.G, color.B, out sourceL, out sourceA, out sourceB);
RGBtoLab(targetColor.R, targetColor.G, targetColor.B, out targetL, out targetA, out targetB);
componentA = sourceL - targetL;
componentB = sourceA - targetA;
componentC = sourceB - targetB;
break;
case ColorModel.XYZ:
Single sourceX, sourceY, sourceZ;
Single targetX, targetY, targetZ;
RGBtoXYZ(color.R, color.G, color.B, out sourceX, out sourceY, out sourceZ);
RGBtoXYZ(targetColor.R, targetColor.G, targetColor.B, out targetX, out targetY, out targetZ);
componentA = sourceX - targetX;
componentB = sourceY - targetY;
componentC = sourceZ - targetZ;
break;
}
}
private static string FormatHslColor(ColorModel colorModel)
{
if (colorModel.Alpha < 1)
{
// HSL can't specify alpha
return FormatHslaColor(colorModel);
}
else
{
HslColor hsl = colorModel.HSL;
return string.Format(CultureInfo.InvariantCulture, "hsl({0}, {1}%, {2}%)",
Math.Round(hsl.Hue * 360, 1),
Math.Round(hsl.Saturation * 100, 1),
Math.Round(hsl.Lightness * 100, 1));
}
}
public ColorConverterSmartTagAction(ITrackingSpan span, ColorModel colorModel, ColorFormat format)
{
_span = span;
if (format == ColorFormat.RgbHex6)
format = ColorFormat.RgbHex3;
_format = format;
_colorModel = colorModel.Clone();
_colorModel.Format = format;
if (Icon == null)
{
Icon = BitmapFrame.Create(new Uri("pack://application:,,,/WebEssentials2015;component/Resources/Images/palette.png", UriKind.RelativeOrAbsolute));
}
_displayText = "Convert to " + GetColorString(_format, _colorModel);
}
private static string GetColorString(ColorFormat format, ColorModel model)
{
switch (format)
{
case ColorFormat.Name:
return GetNamedColor(model.Color);
case ColorFormat.Hsl:
return FormatHslColor(model); //ColorFormatter.FormatColorAs(_colorModel, ColorFormat.Hsl);
case ColorFormat.Rgb:
case ColorFormat.RgbHex3:
case ColorFormat.RgbHex6:
return ColorFormatter.FormatColor(model, format);
default:
throw new InvalidEnumArgumentException("format", (int)format, typeof(ColorFormat));
}
}
/// <summary>
/// 创建Color值之间的线性动画
/// </summary>
public static ColorAnimation BuildColorAnimation(ColorModel Model)
{
ColorAnimation _colorAnimation = new ColorAnimation();
_colorAnimation.From = Model.From;
_colorAnimation.To = Model.To;
_colorAnimation.Duration = new Duration(TimeSpan.FromSeconds(Model.Duration));
_colorAnimation.AutoReverse = Model.AutoReverse;
_colorAnimation.BeginTime = TimeSpan.FromSeconds(Model.BeginTime);
_colorAnimation.By = Model.By;
_colorAnimation.FillBehavior = Model.FillBehavior;
_colorAnimation.RepeatBehavior = Model.RepeatBehavior;
_colorAnimation.SpeedRatio = Model.SpeedRatio;
if (Model.EasingFunction != null)
_colorAnimation.EasingFunction = Model.EasingFunction;
Storyboard.SetTarget(_colorAnimation, Model.Target);
Storyboard.SetTargetProperty(_colorAnimation, new PropertyPath(Model.PropertyPath));
return _colorAnimation;
}
private static void GetSize()
{
try
{
IVsFontAndColorStorage storage = (IVsFontAndColorStorage)EditorExtensionsPackage.GetGlobalService(typeof(IVsFontAndColorStorage));
var guid = new Guid("A27B4E24-A735-4d1d-B8E7-9716E1E3D8E0");
if (storage != null && storage.OpenCategory(ref guid, (uint)(__FCSTORAGEFLAGS.FCSF_READONLY | __FCSTORAGEFLAGS.FCSF_LOADDEFAULTS)) == VS.VSConstants.S_OK)
{
LOGFONTW[] Fnt = new LOGFONTW[] { new LOGFONTW() };
FontInfo[] Info = new FontInfo[] { new FontInfo() };
storage.GetFont(Fnt, Info);
_fontSize = (int)Info[0].wPointSize;
}
if (storage != null && storage.OpenCategory(ref guid, (uint)(__FCSTORAGEFLAGS.FCSF_NOAUTOCOLORS | __FCSTORAGEFLAGS.FCSF_LOADDEFAULTS)) == VS.VSConstants.S_OK)
{
var info = new ColorableItemInfo[1];
storage.GetItem("Plain Text", info);
_backgroundColor = ConvertFromWin32Color((int)info[0].crBackground);
}
}
catch { }
}
public static Int32 GetComponentC(ColorModel colorModel, Color color)
{
Int32 result = 0;
switch (colorModel)
{
case ColorModel.RedGreenBlue:
result = color.B;
break;
case ColorModel.HueSaturationBrightness:
result = Convert.ToInt32(color.GetBrightness() * 255);
break;
case ColorModel.LabColorSpace:
Single l, a, b;
RGBtoLab(color.R, color.G, color.B, out l, out a, out b);
result = Convert.ToInt32(b * 255.0f);
break;
}
return result;
}
private void ChangeColorModel()
{
activeColorModel = colorModelList[listColorModel.SelectedIndex];
// applies current UI selection
if (activeColorCache is BaseColorCache)
{
BaseColorCache colorCache = (BaseColorCache) activeColorCache;
colorCache.ChangeColorModel(activeColorModel);
}
}
public static Int64 GetColorEuclideanDistance(ColorModel colorModel, Color requestedColor, Color realColor)
{
Single componentA, componentB, componentC;
GetColorComponents(colorModel, requestedColor, realColor, out componentA, out componentB, out componentC);
return (Int64)(componentA * componentA + componentB * componentB + componentC * componentC);
}
public static Int32 GetEuclideanDistance(Color color, ColorModel colorModel, IList<Color> palette)
{
// initializes the best difference, set it for worst possible, it can only get better
Int64 leastDistance = Int64.MaxValue;
Int32 result = 0;
for (Int32 index = 0; index < palette.Count; index++)
{
Color targetColor = palette[index];
Int64 distance = GetColorEuclideanDistance(colorModel, color, targetColor);
// if a difference is zero, we're good because it won't get better
if (distance == 0)
{
result = index;
break;
}
// if a difference is the best so far, stores it as our best candidate
if (distance < leastDistance)
{
leastDistance = distance;
result = index;
}
}
return result;
}
/// <summary>
/// Changes the color model.
/// </summary>
/// <param name="colorModel">The color model.</param>
public void ChangeColorModel(ColorModel colorModel)
{
ColorModel = colorModel;
}
/// <summary>
/// Converts a color to a Lab color
/// </summary>
/// <param name="InColor">The color to convert</param>
/// <param name="RefWhite">The reference white to be used for the converted color</param>
/// <returns>The converted color</returns>
public ColorLab ToLab(Color InColor, WhitepointName RefWhite)
{
if (RefWhite != WhitepointName.Custom) OutReferenceWhite = WhitepointArr[(int)RefWhite];
else OutReferenceWhite = ReferenceWhite;
OutputModel = ColorModel.CIELab;
SetInputColor(InColor);
varArr = Do();
return new ColorLab(OutReferenceWhite, varArr[0], varArr[1], varArr[2]);
}
void Start()
{
GameObject.Find("RotatingBlock").renderer.material.color = ColorModel.RandomColor();
}
/// <summary>
/// Creates a new instance of a specific color with the standard settings
/// </summary>
/// <param name="Model">The colormodel the new color will be in</param>
/// <returns>A color in the given colormodel or null if not possible to create color</returns>
public static Color GetColor(ColorModel Model)
{
switch (Model)
{
case ColorModel.CIELab: return new ColorLab();
case ColorModel.CIELCHab: return new ColorLCHab();
case ColorModel.CIELCHuv: return new ColorLCHuv();
case ColorModel.CIELuv: return new ColorLuv();
case ColorModel.CIEXYZ: return new ColorXYZ();
case ColorModel.CIEYxy: return new ColorYxy();
case ColorModel.Gray: return new ColorGray();
case ColorModel.HSL: return new ColorHSL();
case ColorModel.HSV: return new ColorHSV();
case ColorModel.LCH99: return new ColorLCH99();
case ColorModel.LCH99b: return new ColorLCH99b();
case ColorModel.LCH99c: return new ColorLCH99c();
case ColorModel.LCH99d: return new ColorLCH99d();
case ColorModel.RGB: return new ColorRGB();
case ColorModel.YCbCr: return new ColorYCbCr();
default: return null;
}
}
/// <summary>
/// Converts the device color into the PCS color
/// </summary>
/// <param name="Profile">The profile that will be used for the conversion</param>
/// <param name="inColor">The device color (has to match the profiles device color type)</param>
/// <param name="PrefRenderingIntent">The preferred rendering intent</param>
/// <returns>The converted color in the PCS color type</returns>
public Color ToPCS(ICC Profile, Color inColor, RenderingIntent PrefRenderingIntent)
{
InValues = inColor.ColorArray;
InModel = inColor.Model;
this.Profile = Profile;
PreferredRenderingIntent = PrefRenderingIntent;
IsDefault = true;
return Do_Device();
}
/// <summary>
/// Converts the device color into the PCS color
/// </summary>
/// <param name="Profile">The profile that will be used for the conversion</param>
/// <param name="inColor">The device color (has to match the profiles device color type)</param>
/// <param name="PrefRenderingIntent">The preferred rendering intent</param>
/// <param name="ConversionMethod">The method of conversion</param>
/// <param name="ConversionType">The type of conversion</param>
/// <returns>The converted color in the PCS color type</returns>
public Color ToPCS(ICC Profile, Color inColor, RenderingIntent PrefRenderingIntent, ICCconversionMethod ConversionMethod, ICCconversionType ConversionType)
{
InValues = inColor.ColorArray;
InModel = inColor.Model;
this.Profile = Profile;
PreferredRenderingIntent = PrefRenderingIntent;
this.ConversionMethod = ConversionMethod;
this.ConversionType = ConversionType;
IsDefault = false;
return Do_Device();
}
/// <summary>
/// Creates a context for the compositing operation.
/// The context contains state that is used in performing
/// the compositing operation. </summary>
/// <param name="srcColorModel"> the <seealso cref="ColorModel"/> of the source </param>
/// <param name="dstColorModel"> the <code>ColorModel</code> of the destination </param>
/// <returns> the <code>CompositeContext</code> object to be used to perform
/// compositing operations. </returns>
public CompositeContext CreateContext(ColorModel srcColorModel, ColorModel dstColorModel, RenderingHints hints)
{
return(new SunCompositeContext(this, srcColorModel, dstColorModel));
}
public ThumbnailCreator(ColorModel colorModel)
{
_colorModel = colorModel;
}
public PixelFormatInfo(int bitsPerPixel, ColorModel model, ColorChannels channels)
{
BitsPerPixel = bitsPerPixel;
ColorModel = model;
Channels = channels;
}
public void setColorModel(ColorModel model)
{
mColorModel = model;
}
public DecodedJpeg Decode()
{
// The frames in this jpeg are loaded into a list. There is
// usually just one frame except in heirarchial progression where
// there are multiple frames.
JPEGFrame frame = null;
// The restart interval defines how many MCU's we should have
// between the 8-modulo restart marker. The restart markers allow
// us to tell whether or not our decoding process is working
// correctly, also if there is corruption in the image we can
// recover with these restart intervals. (See RSTm DRI).
int resetInterval = 0;
bool haveMarker = false;
bool foundJFIF = false;
List<JpegHeader> headers = new List<JpegHeader>();
// Loop through until there are no more markers to read in, at
// that point everything is loaded into the jpegFrames array and
// can be processed.
while (true)
{
if (DecodeProgress.Abort) return null;
#region Switch over marker types
switch (marker)
{
case JPEGMarker.APP0:
// APP1 is used for EXIF data
case JPEGMarker.APP1:
// Seldomly, APP2 gets used for extended EXIF, too
case JPEGMarker.APP2:
case JPEGMarker.APP3:
case JPEGMarker.APP4:
case JPEGMarker.APP5:
case JPEGMarker.APP6:
case JPEGMarker.APP7:
case JPEGMarker.APP8:
case JPEGMarker.APP9:
case JPEGMarker.APP10:
case JPEGMarker.APP11:
case JPEGMarker.APP12:
case JPEGMarker.APP13:
case JPEGMarker.APP14:
case JPEGMarker.APP15:
// COM: Comment
case JPEGMarker.COM:
// Debug.WriteLine(string.Format("Extracting Header, Type={0:X}", marker));
JpegHeader header = ExtractHeader();
#region Check explicitly for Exif Data
if (header.Marker == JPEGMarker.APP1 && header.Data.Length >= 6)
{
byte[] d = header.Data;
if( d[0] == 'E' &&
d[1] == 'x' &&
d[2] == 'i' &&
d[3] == 'f' &&
d[4] == 0 &&
d[5] == 0)
{
// Exif. Do something?
}
}
#endregion
#region Check for Adobe header
if (header.Data.Length >= 5 && header.Marker == JPEGMarker.APP14)
{
string asText = UTF8Encoding.UTF8.GetString(header.Data, 0, 5);
if (asText == "Adobe") {
// ADOBE HEADER. Do anything?
}
}
#endregion
headers.Add(header);
if (!foundJFIF && marker == JPEGMarker.APP0)
{
foundJFIF = TryParseJFIF(header.Data);
if (foundJFIF) // Found JFIF... do JFIF extension follow?
{
header.IsJFIF = true;
marker = jpegReader.GetNextMarker();
// Yes, they do.
if (marker == JPEGMarker.APP0)
{
header = ExtractHeader();
headers.Add(header);
}
else // No. Delay processing this one.
haveMarker = true;
}
}
break;
case JPEGMarker.SOF0:
case JPEGMarker.SOF2:
// SOFn Start of Frame Marker, Baseline DCT - This is the start
// of the frame header that defines certain variables that will
// be carried out through the rest of the encoding. Multiple
// frames are used in a hierarchical system, however most JPEG's
// only contain a single frame.
// Progressive or baseline?
progressive = marker == JPEGMarker.SOF2;
jpegFrames.Add(new JPEGFrame());
frame = (JPEGFrame)jpegFrames[jpegFrames.Count - 1];
frame.ProgressUpdateMethod = new Action<long>(UpdateStreamProgress);
// Skip the frame length.
jpegReader.ReadShort();
// Bits percision, either 8 or 12.
frame.setPrecision(jpegReader.ReadByte());
// Scan lines (height)
frame.ScanLines = jpegReader.ReadShort();
// Scan samples per line (width)
frame.SamplesPerLine = jpegReader.ReadShort();
// Number of Color Components (channels).
frame.ComponentCount = jpegReader.ReadByte();
DecodeProgress.Height = frame.Height;
DecodeProgress.Width = frame.Width;
DecodeProgress.SizeReady = true;
if(DecodeProgressChanged != null)
{
DecodeProgressChanged(this, DecodeProgress);
if (DecodeProgress.Abort) return null;
}
// Add all of the necessary components to the frame.
for (int i = 0; i < frame.ComponentCount; i++)
{
byte compId = jpegReader.ReadByte();
byte sampleFactors = jpegReader.ReadByte();
byte qTableId = jpegReader.ReadByte();
byte sampleHFactor = (byte)(sampleFactors >> 4);
byte sampleVFactor = (byte)(sampleFactors & 0x0f);
frame.AddComponent(compId, sampleHFactor, sampleVFactor, qTableId);
}
break;
case JPEGMarker.DHT:
// DHT non-SOF Marker - Huffman Table is required for decoding
// the JPEG stream, when we receive a marker we load in first
// the table length (16 bits), the table class (4 bits), table
// identifier (4 bits), then we load in 16 bytes and each byte
// represents the count of bytes to load in for each of the 16
// bytes. We load this into an array to use later and move on 4
// huffman tables can only be used in an image.
int huffmanLength = (jpegReader.ReadShort() - 2);
// Keep looping until we are out of length.
int index = huffmanLength;
// Multiple tables may be defined within a DHT marker. This
// will keep reading until there are no tables left, most
// of the time there are just one tables.
while (index > 0)
{
// Read the identifier information and class
// information about the Huffman table, then read the
// 16 byte codelength in and read in the Huffman values
// and put it into table info.
byte huffmanInfo = jpegReader.ReadByte();
byte tableClass = (byte)(huffmanInfo >> 4);
byte huffmanIndex = (byte)(huffmanInfo & 0x0f);
short[] codeLength = new short[16];
for (int i = 0; i < codeLength.Length; i++)
codeLength[i] = jpegReader.ReadByte();
int huffmanValueLen = 0;
for (int i = 0; i < 16; i++)
huffmanValueLen += codeLength[i];
index -= (huffmanValueLen + 17);
short[] huffmanVal = new short[huffmanValueLen];
for (int i = 0; i < huffmanVal.Length; i++)
{
huffmanVal[i] = jpegReader.ReadByte();
}
// Assign DC Huffman Table.
if (tableClass == HuffmanTable.JPEG_DC_TABLE)
dcTables[(int)huffmanIndex] = new JpegHuffmanTable(codeLength, huffmanVal);
// Assign AC Huffman Table.
else if (tableClass == HuffmanTable.JPEG_AC_TABLE)
acTables[(int)huffmanIndex] = new JpegHuffmanTable(codeLength, huffmanVal);
}
break;
case JPEGMarker.DQT:
// DQT non-SOF Marker - This defines the quantization
// coeffecients, this allows us to figure out the quality of
// compression and unencode the data. The data is loaded and
// then stored in to an array.
short quantizationLength = (short)(jpegReader.ReadShort() - 2);
for (int j = 0; j < quantizationLength / 65; j++)
{
byte quantSpecs = jpegReader.ReadByte();
int[] quantData = new int[64];
if ((byte)(quantSpecs >> 4) == 0)
// Precision 8 bit.
{
for (int i = 0; i < 64; i++)
quantData[i] = jpegReader.ReadByte();
}
else if ((byte)(quantSpecs >> 4) == 1)
// Precision 16 bit.
{
for (int i = 0; i < 64; i++)
quantData[i] = jpegReader.ReadShort();
}
qTables[(int)(quantSpecs & 0x0f)] = new JpegQuantizationTable(quantData);
}
break;
case JPEGMarker.SOS:
Debug.WriteLine("Start of Scan (SOS)");
// SOS non-SOF Marker - Start Of Scan Marker, this is where the
// actual data is stored in a interlaced or non-interlaced with
// from 1-4 components of color data, if three components most
// likely a YCrCb model, this is a fairly complex process.
// Read in the scan length.
ushort scanLen = jpegReader.ReadShort();
// Number of components in the scan.
byte numberOfComponents = jpegReader.ReadByte();
byte[] componentSelector = new byte[numberOfComponents];
for (int i = 0; i < numberOfComponents; i++)
{
// Component ID, packed byte containing the Id for the
// AC table and DC table.
byte componentID = jpegReader.ReadByte();
byte tableInfo = jpegReader.ReadByte();
int DC = (tableInfo >> 4) & 0x0f;
int AC = (tableInfo) & 0x0f;
frame.setHuffmanTables(componentID,
acTables[(byte)AC],
dcTables[(byte)DC]);
componentSelector[i] = componentID;
}
byte startSpectralSelection = jpegReader.ReadByte();
byte endSpectralSelection = jpegReader.ReadByte();
byte successiveApproximation = jpegReader.ReadByte();
#region Baseline JPEG Scan Decoding
if (!progressive)
{
frame.DecodeScanBaseline(numberOfComponents, componentSelector, resetInterval, jpegReader, ref marker);
haveMarker = true; // use resultant marker for the next switch(..)
}
#endregion
#region Progressive JPEG Scan Decoding
if (progressive)
{
frame.DecodeScanProgressive(
successiveApproximation, startSpectralSelection, endSpectralSelection,
numberOfComponents, componentSelector, resetInterval, jpegReader, ref marker);
haveMarker = true; // use resultant marker for the next switch(..)
}
#endregion
break;
case JPEGMarker.DRI:
jpegReader.BaseStream.Seek(2, System.IO.SeekOrigin.Current);
resetInterval = jpegReader.ReadShort();
break;
/// Defines the number of lines. (Not usually present)
case JPEGMarker.DNL:
frame.ScanLines = jpegReader.ReadShort();
break;
/// End of Image. Finish the decode.
case JPEGMarker.EOI:
if (jpegFrames.Count == 0)
{
throw new NotSupportedException("No JPEG frames could be located.");
}
else if (jpegFrames.Count == 1)
{
// Only one frame, JPEG Non-Heirarchial Frame.
byte[][,] raster = Image.CreateRaster(frame.Width, frame.Height, frame.ComponentCount);
IList<JpegComponent> components = frame.Scan.Components;
int totalSteps = components.Count * 3; // Three steps per loop
int stepsFinished = 0;
for(int i = 0; i < components.Count; i++)
{
JpegComponent comp = components[i];
comp.QuantizationTable = qTables[comp.quant_id].Table;
// 1. Quantize
comp.quantizeData();
UpdateProgress(++stepsFinished, totalSteps);
// 2. Run iDCT (expensive)
comp.idctData();
UpdateProgress(++stepsFinished, totalSteps);
// 3. Scale the image and write the data to the raster.
comp.writeDataScaled(raster, i, BlockUpsamplingMode);
UpdateProgress(++stepsFinished, totalSteps);
// Ensure garbage collection.
comp = null; GC.Collect();
}
// Grayscale Color Image (1 Component).
if (frame.ComponentCount == 1)
{
ColorModel cm = new ColorModel() { colorspace = ColorSpace.Gray, Opaque = true };
image = new Image(cm, raster);
}
// YCbCr Color Image (3 Components).
else if (frame.ComponentCount == 3)
{
ColorModel cm = new ColorModel() { colorspace = ColorSpace.YCbCr, Opaque = true };
image = new Image(cm, raster);
}
// Possibly CMYK or RGBA ?
else
{
throw new NotSupportedException("Unsupported Color Mode: 4 Component Color Mode found.");
}
// If needed, convert centimeters to inches.
Func<double, double> conv = x =>
Units == UnitType.Inches ? x : x / 2.54;
image.DensityX = conv(XDensity);
image.DensityY = conv(YDensity);
height = frame.Height;
width = frame.Width;
}
else
{
// JPEG Heirarchial Frame
throw new NotSupportedException("Unsupported Codec Type: Hierarchial JPEG");
}
break;
// Only SOF0 (baseline) and SOF2 (progressive) are supported by FJCore
case JPEGMarker.SOF1:
case JPEGMarker.SOF3:
case JPEGMarker.SOF5:
case JPEGMarker.SOF6:
case JPEGMarker.SOF7:
case JPEGMarker.SOF9:
case JPEGMarker.SOF10:
case JPEGMarker.SOF11:
case JPEGMarker.SOF13:
case JPEGMarker.SOF14:
case JPEGMarker.SOF15:
throw new NotSupportedException("Unsupported codec type.");
default: break; // ignore
}
#endregion switch over markers
if (haveMarker) haveMarker = false;
else
{
try
{
marker = jpegReader.GetNextMarker();
}
catch (System.IO.EndOfStreamException)
{
break; /* done reading the file */
}
}
}
DecodedJpeg result = new DecodedJpeg(image, headers);
return result;
}
/// <summary>
/// Initializes a new instance of the <see cref="EuclideanDistanceColorCache"/> class.
/// </summary>
/// <param name="colorModel">The color model.</param>
public EuclideanDistanceColorCache(ColorModel colorModel)
{
ColorModel = colorModel;
}
/// <summary>
/// Converts a color to a Lab color
/// </summary>
/// <param name="InColor">The color to convert</param>
/// <param name="RefWhite">The reference white to be used for the converted color</param>
/// <returns>The converted color</returns>
public ColorLab ToLab(Color InColor, Whitepoint RefWhite)
{
OutputModel = ColorModel.CIELab;
OutReferenceWhite = RefWhite;
SetInputColor(InColor);
varArr = Do();
return new ColorLab(OutReferenceWhite, varArr[0], varArr[1], varArr[2]);
}
private bool IsXColor(ColorModel model)
{
switch (model)
{
case ColorModel.Color2:
case ColorModel.Color3:
case ColorModel.Color4:
case ColorModel.Color5:
case ColorModel.Color6:
case ColorModel.Color7:
case ColorModel.Color8:
case ColorModel.Color9:
case ColorModel.Color10:
case ColorModel.Color11:
case ColorModel.Color12:
case ColorModel.Color13:
case ColorModel.Color14:
case ColorModel.Color15:
return true;
default: return false;
}
}
private void SetInputColor(UColor inColor)
{
InputModel = inColor.Model;
DoAdaption = inColor.ReferenceWhite != OutReferenceWhite.Name;
if (InputModel != ColorModel.Gray)
{
ValArr1 = inColor.DoubleColorArray;
ValArr2 = inColor.DoubleColorArray;
}
else
{
ValArr1 = new double[] { ((UColorGray)inColor).G / 65535d, 0, 0 };
ValArr2 = new double[] { ((UColorGray)inColor).G / 65535d, 0, 0 };
}
switch (InputModel)
{
case ColorModel.CIELab:
case ColorModel.CIELCHab:
case ColorModel.CIELCHuv:
case ColorModel.LCH99:
case ColorModel.LCH99b:
case ColorModel.LCH99c:
case ColorModel.LCH99d:
case ColorModel.CIELuv:
case ColorModel.CIEXYZ:
case ColorModel.CIEYxy:
case ColorModel.Gray:
case ColorModel.DEF:
case ColorModel.Bef:
case ColorModel.BCH:
if (inColor.ReferenceWhite == WhitepointName.Custom || OutReferenceWhite.Name == WhitepointName.Custom) DoAdaption = true;
InputWhitepoint = WhitepointArr[(int)inColor.ReferenceWhite];
break;
case ColorModel.HSL:
InputRGBSpace = ((UColorHSL)inColor).Space;
InputWhitepoint = InputRGBSpace.ReferenceWhite;
DoAdaptionRGB();
break;
case ColorModel.HSV:
InputRGBSpace = ((UColorHSV)inColor).Space;
InputWhitepoint = InputRGBSpace.ReferenceWhite;
DoAdaptionRGB();
break;
case ColorModel.RGB:
InputRGBSpace = ((UColorRGB)inColor).Space;
IsRGBLinear = ((UColorRGB)inColor).IsLinear;
InputWhitepoint = InputRGBSpace.ReferenceWhite;
DoAdaptionRGB();
break;
case ColorModel.YCbCr:
InputRGBSpace = ((UColorYCbCr)inColor).BaseSpace;
InputYCbCrSpace = ((UColorYCbCr)inColor).Space;
InputWhitepoint = InputRGBSpace.ReferenceWhite;
DoAdaptionYCbCr();
break;
default:
throw new NotImplementedException();
}
}
protected override void UpdateModelForGradientMax(ColorModel model)
{
model.ScG = 1f;
}
/// <summary>
/// Converts a color to a LCH99c color
/// </summary>
/// <param name="InColor">The color to convert</param>
/// <returns>The converted color</returns>
public ColorLCH99c ToLCH99c(Color InColor)
{
OutReferenceWhite = WhitepointArr[(int)WhitepointName.D65];
OutputModel = ColorModel.LCH99c;
SetInputColor(InColor);
varArr = Do();
return new ColorLCH99c(varArr[0], varArr[1], varArr[2]);
}
/// <summary>
/// Converts the PCS color into the device color
/// </summary>
/// <param name="Profile">The profile that will be used for the conversion</param>
/// <param name="pcs">The PCS color (has to match the profiles PCS color type)</param>
/// <param name="ConversionMethod">The method of conversion</param>
/// <param name="ConversionType">The type of conversion</param>
/// <returns>The converted color in the device color type</returns>
public Color ToDevice(ICC Profile, Color pcs, ICCconversionMethod ConversionMethod, ICCconversionType ConversionType)
{
InValues = pcs.ColorArray;
InModel = pcs.Model;
this.Profile = Profile;
PreferredRenderingIntent = ColorConverter.PreferredRenderingIntent;
this.ConversionMethod = ConversionMethod;
this.ConversionType = ConversionType;
IsDefault = false;
return Do_PCS();
}
/// <summary>
/// The runnable method for this class. This will produce an image using
/// the current RenderableImage and RenderContext and send it to all the
/// ImageConsumer currently registered with this class.
/// </summary>
public virtual void Run()
{
// First get the rendered image
RenderedImage rdrdImage;
if (Rc != null)
{
rdrdImage = RdblImage.CreateRendering(Rc);
}
else
{
rdrdImage = RdblImage.CreateDefaultRendering();
}
// And its ColorModel
ColorModel colorModel = rdrdImage.ColorModel;
Raster raster = rdrdImage.Data;
SampleModel sampleModel = raster.SampleModel;
DataBuffer dataBuffer = raster.DataBuffer;
if (colorModel == null)
{
colorModel = ColorModel.RGBdefault;
}
int minX = raster.MinX;
int minY = raster.MinY;
int width = raster.Width;
int height = raster.Height;
System.Collections.IEnumerator icList;
ImageConsumer ic;
// Set up the ImageConsumers
icList = Ics.elements();
while (icList.hasMoreElements())
{
ic = (ImageConsumer)icList.nextElement();
ic.SetDimensions(width, height);
ic.Hints = java.awt.image.ImageConsumer_Fields.TOPDOWNLEFTRIGHT | java.awt.image.ImageConsumer_Fields.COMPLETESCANLINES | java.awt.image.ImageConsumer_Fields.SINGLEPASS | java.awt.image.ImageConsumer_Fields.SINGLEFRAME;
}
// Get RGB pixels from the raster scanline by scanline and
// send to consumers.
int[] pix = new int[width];
int i, j;
int numBands = sampleModel.NumBands;
int[] tmpPixel = new int[numBands];
for (j = 0; j < height; j++)
{
for (i = 0; i < width; i++)
{
sampleModel.GetPixel(i, j, tmpPixel, dataBuffer);
pix[i] = colorModel.GetDataElement(tmpPixel, 0);
}
// Now send the scanline to the Consumers
icList = Ics.elements();
while (icList.hasMoreElements())
{
ic = (ImageConsumer)icList.nextElement();
ic.SetPixels(0, j, width, 1, colorModel, pix, 0, width);
}
}
// Now tell the consumers we're done.
icList = Ics.elements();
while (icList.hasMoreElements())
{
ic = (ImageConsumer)icList.nextElement();
ic.ImageComplete(java.awt.image.ImageConsumer_Fields.STATICIMAGEDONE);
}
}
internal static bool IsSameSpace(ColorModel Model, ColorSpaceType Space)
{
if (Enum.GetName(typeof(ColorModel), Model).ToLower() == Enum.GetName(typeof(ColorSpaceType), Space).ToLower()) return true;
else return false;
}
/// <summary>
/// Constructor for MultipleGradientPaintContext superclass.
/// </summary>
protected internal MultipleGradientPaintContext(MultipleGradientPaint mgp, ColorModel cm, Rectangle deviceBounds, Rectangle2D userBounds, AffineTransform t, RenderingHints hints, float[] fractions, Color[] colors, CycleMethod cycleMethod, ColorSpaceType colorSpace)
{
if (deviceBounds == null)
{
throw new NullPointerException("Device bounds cannot be null");
}
if (userBounds == null)
{
throw new NullPointerException("User bounds cannot be null");
}
if (t == null)
{
throw new NullPointerException("Transform cannot be null");
}
if (hints == null)
{
throw new NullPointerException("RenderingHints cannot be null");
}
// The inverse transform is needed to go from device to user space.
// Get all the components of the inverse transform matrix.
AffineTransform tInv;
try
{
// the following assumes that the caller has copied the incoming
// transform and is not concerned about it being modified
t.Invert();
tInv = t;
}
catch (NoninvertibleTransformException)
{
// just use identity transform in this case; better to show
// (incorrect) results than to throw an exception and/or no-op
tInv = new AffineTransform();
}
double[] m = new double[6];
tInv.GetMatrix(m);
A00 = (float)m[0];
A10 = (float)m[1];
A01 = (float)m[2];
A11 = (float)m[3];
A02 = (float)m[4];
A12 = (float)m[5];
// copy some flags
this.CycleMethod = cycleMethod;
this.ColorSpace = colorSpace;
// we can avoid copying this array since we do not modify its values
this.Fractions = fractions;
// note that only one of these values can ever be non-null (we either
// store the fast gradient array or the slow one, but never both
// at the same time)
int[] gradient = (mgp.Gradient != null) ? mgp.Gradient.get() : null;
int[][] gradients = (mgp.Gradients != null) ? mgp.Gradients.get() : null;
if (gradient == null && gradients == null)
{
// we need to (re)create the appropriate values
CalculateLookupData(colors);
// now cache the calculated values in the
// MultipleGradientPaint instance for future use
mgp.Model = this.Model;
mgp.NormalizedIntervals = this.NormalizedIntervals;
mgp.IsSimpleLookup = this.IsSimpleLookup;
if (IsSimpleLookup)
{
// only cache the fast array
mgp.FastGradientArraySize = this.FastGradientArraySize;
mgp.Gradient = new SoftReference <int[]>(this.Gradient);
}
else
{
// only cache the slow array
mgp.Gradients = new SoftReference <int[][]>(this.Gradients);
}
}
else
{
// use the values cached in the MultipleGradientPaint instance
this.Model = mgp.Model;
this.NormalizedIntervals = mgp.NormalizedIntervals;
this.IsSimpleLookup = mgp.IsSimpleLookup;
this.Gradient = gradient;
this.FastGradientArraySize = mgp.FastGradientArraySize;
this.Gradients = gradients;
}
}
private ActionResult ColorByName(string color)
{
ColorModel model = new ColorModel
{
Title = "Color: " + color,
TopText = TopText,
Color = color
};
model.NetsyControl = new NetsySilverlightModel
{
Heading = string.Format("Etsy listings in color '{0}'", color),
Params = string.Format("Retrieval=FrontListingsByColor,Color={0},ItemsPerPage=16", color),
Height = 560,
Width = 660
};
return this.View(model);
}
protected override void UpdateModelForGradientMin(ColorModel model)
{
model.ScG = 0.0f;
}
