private void EhUserRequest_ForAllSelectedItemSetOpacity(double opacity)
{
var alphaValue = AxoColor.NormFloatToByte((float)opacity);
bool anyChange = false;
foreach (var item in _currentItems.Where(node => node.IsSelected))
{
var color = ((NamedColor)item.Tag).Color;
if (color.A != alphaValue)
{
color.A = alphaValue;
var ncolor = new NamedColor(color);
item.Tag = ncolor;
item.Text = ToDisplayName(ncolor);
anyChange = true;
}
}
if (anyChange)
{
SetListDirty();
}
}
private void EhUserRequest_ForAllSelectedItemShiftHue(double hueShift)
{
if (0 == hueShift || -1 == hueShift || 1 == hueShift)
{
return;
}
bool anyChange = false;
foreach (var item in _currentItems.Where(node => node.IsSelected))
{
var color = ((NamedColor)item.Tag).Color;
var(a, h, s, b) = color.ToAhsb();
h += (float)hueShift;
h -= (float)Math.Floor(h); // Normalize hue to 0..1
color = AxoColor.FromAhsb(a, h, s, b);
var ncolor = new NamedColor(color);
item.Tag = ncolor;
item.Text = ToDisplayName(ncolor);
anyChange = true;
}
if (anyChange)
{
SetListDirty();
}
}
private void EhUserRequest_ForAllSelectedItemSetBrightness(double brightness)
{
bool anyChange = false;
foreach (var item in _currentItems.Where(node => node.IsSelected))
{
var color = ((NamedColor)item.Tag).Color;
var(a, h, s, b) = color.ToAhsb();
if (b != brightness)
{
b = (float)brightness;
color = AxoColor.FromAhsb(a, h, s, b);
var ncolor = new NamedColor(color);
item.Tag = ncolor;
item.Text = ToDisplayName(ncolor);
anyChange = true;
}
}
if (anyChange)
{
SetListDirty();
}
}
public string[] GetComponentsForColor(AxoColor color, IFormatProvider formatProvider)
{
return(new string[]
{
(1 - color.ScR).ToString("F3", formatProvider),
(1 - color.ScG).ToString("F3", formatProvider),
(1 - color.ScB).ToString("F3", formatProvider)
});
}
public static ImageSource GetImageSourceFromAxoColor(AxoColor axoColor, int width, int height)
{
var innerRect = new Rect(0, 0, width, height);
var geometryDrawing = new GeometryDrawing() { Geometry = new RectangleGeometry(innerRect) };
geometryDrawing.Brush = new SolidColorBrush(GuiHelper.ToWpf(axoColor));
DrawingImage geometryImage = new DrawingImage(geometryDrawing);
geometryImage.Freeze(); // Freeze the DrawingImage for performance benefits.
return geometryImage;
}
public string[] GetComponentsForColor(AxoColor color, IFormatProvider formatProvider)
{
var(a, h, s, b) = color.ToAhsb();
return(new string[]
{
h.ToString("F3", formatProvider),
s.ToString("F3", formatProvider),
b.ToString("F3", formatProvider)
});
}
/// <summary>
/// Get the index of the given color in the ColorSet.
/// </summary>
/// <param name="color">The color.</param>
/// <returns>The index of the color in the set. If the color is not found in the set, a negative value is returned.</returns>
public virtual int IndexOf(AxoColor color)
{
if (_colorToIndexDictionary.Value.TryGetValue(color, out var idx))
{
return(idx);
}
else
{
return(-1);
}
}
public void AmendAlphaComponent(ref AxoColor color)
{
if (_colorModel.IsUsingByteComponents)
{
color.A = (byte)_guiAlphaValue.Value;
}
else
{
color.ScA = (float)_guiAlphaValue.Value;
}
}
public object BuildItem(BuildItemArgs args)
{
string id = args.Codon.Id;
string value = args.Codon.Properties["Value"];
if (!string.IsNullOrEmpty(value))
{
var c = AxoColor.FromInvariantString(value);
return(new NamedColor(c, id));
}
return(null);
}
public string[] GetComponentsForColor(AxoColor color, IFormatProvider formatProvider)
{
var(a, c, m, y, k) = color.ToAcmyk();
return(new string[]
{
c.ToString("F3", formatProvider),
m.ToString("F3", formatProvider),
y.ToString("F3", formatProvider),
k.ToString("F3", formatProvider)
});
}
public static BitmapSource GetBitmap()
{
const int widthheight = 256;
const float innerRadiusRatio2 = 0.25f;
float mid = (widthheight - 1) / 2f;
float r2max = mid * mid;
float r2min = r2max * innerRadiusRatio2;
var wbitmap = new WriteableBitmap(widthheight, widthheight, 96, 96, PixelFormats.Bgra32, null);
byte[] pixels = new byte[widthheight * widthheight * 4];
// The bitmap is already by default transparent
for (int row = 0; row < widthheight; ++row)
{
for (int col = 0; col < widthheight; ++col)
{
var dx = col - mid;
var dy = row - mid;
var r2 = dx * dx + dy * dy;
if (r2 < r2min || r2 > r2max)
{
continue;
}
int idx = (row * widthheight + col) * 4;
// calculate angle
var phi = (Math.Atan2(dy, dx) / (2 * Math.PI));
if (phi < 0)
{
phi += 1;
}
// calculate color
AxoColor.FromHue((float)phi, out var red, out var green, out var blue);
pixels[idx + 0] = blue; // B
pixels[idx + 1] = green; // G
pixels[idx + 2] = red; // R
pixels[idx + 3] = 255; // A
}
}
// Update writeable bitmap with the colorArray to the image.
var rect = new Int32Rect(0, 0, widthheight, widthheight);
int stride = 4 * widthheight;
wbitmap.WritePixels(rect, pixels, stride, 0);
return(wbitmap);
}
/// <summary>
/// Tries to find a color with the color and the name of the given named color.
/// </summary>
/// <param name="colorValue">The color value to find.</param>
/// <param name="colorName">The color name to find.</param>
/// <param name="namedColor">On return, if a color with the same color value and name is found in the collection, that color is returned.</param>
/// <returns>
/// <c>True</c>, if the color with the given color value and name is found in this collection. Otherwise, <c>false</c> is returned.
/// </returns>
public bool TryGetValue(AxoColor colorValue, string colorName, out NamedColor namedColor)
{
if (_namecolorToIndexDictionary.Value.TryGetValue(new ColorNameKey(colorValue, colorName), out var idx))
{
namedColor = _innerList[idx];
return(true);
}
else
{
namedColor = default(NamedColor);
return(false);
}
}
public static ImageSource GetImageSourceFromAxoColor(AxoColor axoColor, int width, int height)
{
var innerRect = new Rect(0, 0, width, height);
var geometryDrawing = new GeometryDrawing()
{
Geometry = new RectangleGeometry(innerRect)
};
geometryDrawing.Brush = new SolidColorBrush(GuiHelper.ToWpf(axoColor));
var geometryImage = new DrawingImage(geometryDrawing);
geometryImage.Freeze(); // Freeze the DrawingImage for performance benefits.
return(geometryImage);
}
private void EhOpacitySlider_ValueChanged(object sender, RoutedPropertyChangedEventArgs <double> e)
{
if (_notUserInitiated)
{
return;
}
var c = _newColor;
float a = (float)e.NewValue;
_newColor = AxoColor.FromScRgb(a, c.ScR, c.ScG, c.ScB);
UpdateControlVisuals();
CurrentColorChanged?.Invoke(_newColor);
}
public void GetColorVariations(AxoColor baseColor, AxoColor[] variations)
{
var(alpha, hue, saturation, brightness) = baseColor.ToAhsb();
// make darker, but still the last item should have a rest of color left (i.e. it should not be completely black)
int numberOfItems = variations.Length;
variations[0] = baseColor;
for (int i = 1; i < numberOfItems; ++i)
{
var newBrightness = brightness * (1 - i / (float)numberOfItems);
variations[i] = AxoColor.FromAhsb(alpha, hue, saturation, newBrightness);
}
}
public void GetColorVariations(AxoColor baseColor, AxoColor[] variations)
{
var(alpha, hue, saturation, brightness) = baseColor.ToAhsb();
// desaturate, but still the last item should have a rest of saturation left
int numberOfItems = variations.Length;
variations[0] = baseColor;
for (int i = 1; i < numberOfItems; ++i)
{
var newSaturation = saturation * (1 - i / (float)numberOfItems);
variations[i] = AxoColor.FromAhsb(alpha, hue, newSaturation, brightness);
}
}
public NamedColor GetDeserializedColorWithNoSet(AxoColor color, string name)
{
// test if it is a standard color
if (_builtinKnownColors.TryGetValue(name, out var foundColor) && color.Equals(foundColor.Color)) // if the color is known by this name, and the color value matches
{
return(foundColor); // then return this found color
}
if (_builtinKnownColors.TryGetValue(color, out foundColor)) // if only the color value matches, then return the found color, even if it has another name than the deserialized color
{
return(foundColor);
}
// Note that name for a deserialized color can be null or empty. If this is the case, use the constructor without name
return(string.IsNullOrEmpty(name) ? new NamedColor(color) : new NamedColor(color, name)); // if it is not a known color, then return the color without a color set as parent
}
private ColorSet(Altaxo.Serialization.Xml.IXmlDeserializationInfo info)
{
_name = info.GetString("Name");
int count = info.OpenArray("Colors");
_innerList = new NamedColor[count];
for (int i = 0; i < count; ++i)
{
string name = info.GetStringAttribute("Name");
string cvalue = info.GetString("e");
_innerList[i] = new NamedColor(AxoColor.FromInvariantString(cvalue), name, this);
}
info.CloseArray(count);
InitLazyVariables();
}
public void GetColorVariations(AxoColor baseColor, AxoColor[] variations)
{
var blue = baseColor.ScB;
var red = baseColor.ScR;
// make warmer = more red
int numberOfItems = variations.Length;
variations[0] = baseColor;
for (int i = 1; i < numberOfItems; ++i)
{
var newBlue = (blue + (1 - blue) * (i / (float)numberOfItems));
var newRed = (red * (1 - i / (float)numberOfItems));
variations[i] = AxoColor.FromScRgb(baseColor.ScA, newRed, baseColor.ScG, newBlue);
}
}
public void ChangeCurrentColor(AxoColor newColor, bool updateCircle, bool updateVariations, bool updateComponents, bool updateAltComponents)
{
_currentColor = newColor;
if (updateCircle)
{
_guiColorCircleSurface.SetHueBaseValue(_currentColor.GetHue(), false);
}
if (updateComponents)
{
// now calculate components
var components = _colorModel.GetComponentsForColor(_currentColor);
UpdateComponentValues(() =>
{
for (int i = 0; i < components.Length; ++i)
{
_guiComponents[i].Value = (decimal)components[i];
}
if (_colorModel.IsUsingByteComponents)
{
_guiAlphaValue.Value = _currentColor.A;
}
else
{
_guiAlphaValue.Value = (decimal)_currentColor.ScA;
}
}
);
}
if (updateAltComponents)
{
// update alternative components
var altComponents = _altColorModel.GetComponentsForColor(_currentColor, Altaxo.Settings.GuiCulture.Instance);
for (int i = 0; i < altComponents.Length; ++i)
{
_guiAltComponents[i].Text = altComponents[i];
}
}
CurrentColorChanged?.Invoke(_currentColor);
}
public void ChangeCurrentColor(AxoColor newColor, bool update1D, bool update2D, bool updateComponents, bool updateAltComponents)
{
_currentColor = newColor;
if (update1D || update2D)
{
var(pos1D, pos2D) = _colorModel.GetRelativePositionsFor1Dand2DColorSurfaceFromColor(_currentColor);
_gui1DColorControl.SelectionRectangleRelativePositionChanged -= Eh1DColorControl_ValueChanged;
_gui2DColorControl.SelectionRectangleRelativePositionChanged -= Eh2DColorControl_ValueChanged;
_gui1DColorControl.SelectionRectangleRelativePosition = pos1D;
_gui2DColorControl.SelectionRectangleRelativePosition = pos2D;
_gui1DColorControl.SelectionRectangleRelativePositionChanged += Eh1DColorControl_ValueChanged;
_gui2DColorControl.SelectionRectangleRelativePositionChanged += Eh2DColorControl_ValueChanged;
}
if (updateComponents)
{
// now calculate components
var components = _colorModel.GetComponentsForColor(_currentColor);
UpdateComponentValues(() =>
{
for (int i = 0; i < components.Length; ++i)
{
_guiComponents[i].Value = (decimal)components[i];
}
}
);
}
if (updateAltComponents)
{
// update alternative components
var altComponents = _altColorModel.GetComponentsForColor(_currentColor, Altaxo.Settings.GuiCulture.Instance);
for (int i = 0; i < altComponents.Length; ++i)
{
_guiAltComponents[i].Text = altComponents[i];
}
}
CurrentColorChanged?.Invoke(_currentColor);
}
public object Deserialize(object o, Altaxo.Serialization.Xml.IXmlDeserializationInfo info, object parent)
{
string colorSetName = info.GetString("Name");
var colorSetLevel = (Altaxo.Main.ItemDefinitionLevel)info.GetEnum("Level", typeof(Altaxo.Main.ItemDefinitionLevel));
var creationDate = info.GetDateTime("CreationDate");
var isPlotColorSet = info.GetBoolean("IsPlotColorSet");
int count = info.OpenArray("Colors");
var colors = new NamedColor[count];
for (int i = 0; i < count; ++i)
{
string name = info.GetStringAttribute("Name");
string cvalue = info.GetString("e");
colors[i] = new NamedColor(AxoColor.FromInvariantString(cvalue), name);
}
info.CloseArray(count);
return(new ColorSet(colorSetName, colors));
}
private void EhBrightnessSlider_ValueChanged(object sender, RoutedPropertyChangedEventArgs <double> e)
{
if (_notUserInitiated)
{
return;
}
Color nc = colorComb.SelectedColor;
float f = (float)e.NewValue;
float a, r, g, b;
a = (float)opacitySlider.Value;
r = f * nc.ScR;
g = f * nc.ScG;
b = f * nc.ScB;
_newColor = AxoColor.FromScRgb(a, r, g, b);
UpdateControlVisuals();
CurrentColorChanged?.Invoke(_newColor);
}
//
// Event Handlers
private void EhColorCombControl_ColorSelected(object sender, ColorEventArgs e)
{
if (_notUserInitiated)
{
return;
}
float a, f, r, g, b;
a = (float)opacitySlider.Value;
f = (float)brightnessSlider.Value;
Color nc = e.Color;
r = f * nc.ScR;
g = f * nc.ScG;
b = f * nc.ScB;
_newColor = AxoColor.FromScRgb(a, r, g, b);
UpdateControlVisuals();
CurrentColorChanged?.Invoke(_newColor);
}
public bool TryFindColorSetContaining(AxoColor colorValue, string colorName, out IColorSet value)
{
foreach (Main.ItemDefinitionLevel level in Enum.GetValues(typeof(Main.ItemDefinitionLevel)))
{
foreach (var entry in _allLists)
{
if (entry.Value.Level != level)
{
continue;
}
if (entry.Value.List.TryGetValue(colorValue, colorName, out var namedColor))
{
value = entry.Value.List;
return(true);
}
}
}
value = null;
return(false);
}
public ColorPickerControl(AxoColor oldColor)
{
_oldColor = oldColor;
_newColor = _oldColor;
InitializeComponent();
}
/// <summary>
/// Get the index of the given color in the ColorSet.
/// </summary>
/// <param name="color">The color.</param>
/// <returns>The index of the color in the set. If the color is not found in the set, a negative value is returned.</returns>
public virtual int IndexOf(AxoColor color)
{
int idx;
if (_colorToIndexDictionary.Value.TryGetValue(color, out idx))
{
return idx;
}
else
{
return -1;
}
}
/// <summary>
/// Tries to find a color with the color and the name of the given named color.
/// </summary>
/// <param name="colorValue">The color value to find.</param>
/// <param name="colorName">The color name to find.</param>
/// <param name="namedColor">On return, if a color with the same color value and name is found in the collection, that color is returned.</param>
/// <returns>
/// <c>True</c>, if the color with the given color value and name is found in this collection. Otherwise, <c>false</c> is returned.
/// </returns>
public bool TryGetValue(AxoColor colorValue, string colorName, out NamedColor namedColor)
{
int idx;
if (_namecolorToIndexDictionary.Value.TryGetValue(new ColorNameKey(colorValue, colorName), out idx))
{
namedColor = this._innerList[idx];
return true;
}
else
{
namedColor = default(NamedColor);
return false;
}
}
public AxoColor GetColorFromComponents(double[] components)
{
return(AxoColor.FromArgb(255, (byte)(255 - components[0]), (byte)(255 - components[1]), (byte)(255 - components[2])));
}
public double[] GetComponentsForColor(AxoColor color)
{
return(new double[] { 255 - color.R, 255 - color.G, 255 - color.B });
}
public (double position1D, PointD2D position2D) GetRelativePositionsFor1Dand2DColorSurfaceFromColor(AxoColor color)
{
var(alpha, hue, saturation, brightness) = color.ToAhsb();
return(hue, new PointD2D(saturation, brightness));
}
public AxoColor GetColorFor2DColorSurfaceFromRelativePosition(PointD2D relativePosition, AxoColor c)
{
return(AxoColor.FromAhsb(1, c.GetHue(), (float)(relativePosition.X), (float)(relativePosition.Y)));
}
public AxoColor GetColorFor1DColorSurfaceFromRelativePosition(double relativePosition)
{
return(AxoColor.FromAhsb(1, (float)(relativePosition), 1, 1));
}
public void SetSceneBackColor(AxoColor? sceneBackColor)
{
_sceneBackgroundColor = sceneBackColor;
}