internal void SelectBrush(TPdfStream DataStream, PathGradientBrush aBrush, RectangleF Rect, RectangleF RotatedCoords, PointF CenterPoint, string DrawingMatrix)
{
ColorBlend cb = null;
try
{
cb = aBrush.InterpolationColors;
}
catch (ArgumentException)//Awful way to tell if it has InterpolationColors, but the framework does not give us a choice.
{
}
if (cb == null || cb.Colors.Length == 1)
{
cb = GetColorBlendWithoutInterpolationColors(aBrush.Blend, aBrush.SurroundColors[0], aBrush.CenterColor);
}
int n = cb.Colors.Length - 1;
if (cb.Colors[0].A != 255 || cb.Colors[n].A != 255)
{
ColorBlend TransparencyBlend = new ColorBlend(2);
TransparencyBlend.Colors[0] = ColorUtil.FromArgb(cb.Colors[0].A, cb.Colors[0].A, cb.Colors[0].A);
TransparencyBlend.Positions[0] = 0;
TransparencyBlend.Colors[1] = ColorUtil.FromArgb(cb.Colors[n].A, cb.Colors[n].A, cb.Colors[n].A);
TransparencyBlend.Positions[1] = 1;
TPdfGradient SMask = Resources.GetGradient(TGradientType.Radial, TransparencyBlend, Rect, aBrush.CenterPoint, RotatedCoords, DrawingMatrix);
SelectTransparency(DataStream, 255, TPdfToken.CommandSetAlphaBrush, SMask.GetSMask(), PdfConv.ToRectangleXY(Rect, true));
}
Resources.SelectGradient(DataStream, TGradientType.Radial, cb, Rect, CenterPoint, RotatedCoords, DrawingMatrix);
}
/// <summary>
/// This method translates Avalon SD.Brushes into
/// WindowsForms color objects
/// </summary>
private static SD.Color TranslateSolidOrGradientBrush(SWM.Brush brush, out bool defined)
{
SWM.Color brushColor;
SD.Color wfColor = SD.Color.Empty;
defined = false;
SWM.SolidColorBrush solidColorBrush = brush as SWM.SolidColorBrush;
if (solidColorBrush != null)
{
brushColor = solidColorBrush.Color;
defined = true;
wfColor = Convert.ToSystemDrawingColor(brushColor);
}
else
{
SWM.GradientBrush gradientBrush = brush as SWM.GradientBrush;
if (gradientBrush != null)
{
SWM.GradientStopCollection grads = gradientBrush.GradientStops;
if (grads != null)
{
SWM.GradientStop firstStop = grads[0];
if (firstStop != null)
{
brushColor = firstStop.Color;
defined = true;
wfColor = Convert.ToSystemDrawingColor(brushColor);
}
}
}
}
return(wfColor);
}
private ColorBlend GetColorBlendWithoutInterpolationColors(Blend bl, Color Color1, Color Color2)
{
//We will only use Blend when it has been set by SetSigmaBellShape. Since we only use SetSigmaBellShape in gradients without InterpolationColors, we can test this only here.
ColorBlend Result = new ColorBlend(Math.Max(bl.Factors.Length, 2));
real factor = 0;
real position = 0;
for (int i = 0; i < Result.Colors.Length; i++)
{
if (bl.Factors.Length > 1 && i < bl.Factors.Length)
{
factor = bl.Factors[i];
}
if (bl.Positions.Length > 1 && i < bl.Positions.Length)
{
position = bl.Positions[i];
}
Result.Colors[i] = InterpolateColorRGB(Color1, Color2, factor);
Result.Positions[i] = position;
factor = 1;
position = 1;
}
return(Result);
}
internal static void EnsureMinimumAndMaximum(Color Color1, Color Color2, ref ColorBlend BlendedColors)
{
int Blends = BlendCount(BlendedColors);
bool NeedsZero = BlendPosition(BlendedColors, 0) != 0;
bool NeedsOne = BlendPosition(BlendedColors, Blends - 1) != 1;
if (NeedsZero || NeedsOne)
{
if (NeedsZero)
{
Blends++;
}
if (NeedsOne)
{
Blends++;
}
ColorBlend Result = new ColorBlend(Blends);
int k1 = 0;
if (NeedsZero)
{
SetColorBlend(Result, 0, Color1, 0); k1++;
}
for (int i = 0; i < BlendCount(BlendedColors); i++)
{
SetColorBlend(Result, k1 + i, BlendColor(BlendedColors, i), BlendPosition(BlendedColors, i));
}
if (NeedsOne)
{
SetColorBlend(Result, Blends - 1, Color2, 1);
}
BlendedColors = Result;
}
}
private static Color BlendColor(ColorBlend BlendColors, int Position)
{
#if (WPF)
return(BlendColors[Position].Color);
#else
return(BlendColors.Colors[Position]);
#endif
}
private static int BlendCount(ColorBlend BlendColors)
{
#if (WPF)
return(BlendColors.Count);
#else
return(BlendColors.Colors.Length);
#endif
}
private static real BlendPosition(ColorBlend BlendColors, int Position)
{
#if (WPF)
return(BlendColors[Position].Offset);
#else
return(BlendColors.Positions[Position]);
#endif
}
private static double[] GetBounds(ColorBlend BlendColors)
{
double[] Result = new double[BlendCount(BlendColors) - 2];
for (int i = BlendCount(BlendColors) - 2; i > 0; i--) //First and last are not written.
{
Result[Result.Length - i] = 1 - BlendPosition(BlendColors, i);
}
return(Result);
}
public TPdfGradient(int aPatternId, TGradientType aGradientType, ColorBlend aBlendColors, RectangleF aCoords, PointF aCenterPoint, RectangleF aRotatedCoords, string aDrawingMatrix, List <TPdfFunction> FunctionList) : base(aPatternId, TPdfToken.GradientPrefix)
{
GradientType = aGradientType;
BlendFunction = GetBlendFunction(aBlendColors, FunctionList);
CenterPoint = aCenterPoint;
Coords = aCoords;
RotatedCoords = aRotatedCoords;
DrawingMatrix = aDrawingMatrix;
}
public static void SetColorBlend(ColorBlend BlendColors, int i, Color ColorInPos, real Position)
{
#if (WPF)
BlendColors[i].Color = ColorInPos;
BlendColors[i].Offset = Position;
#else
BlendColors.Colors[i] = ColorInPos;
BlendColors.Positions[i] = Position;
#endif
}
private static Brush GetGradient(ref Color ColorFg, ref Color ColorBg, TExcelGradient GradientFill, RectangleF CellRect, IFlexCelPalette Palette)
{
if (GradientFill == null)
{
return(new SolidBrush(ColorFg));
}
Color Color1 = ColorFg;
Color Color2 = ColorBg;
if (GradientFill.Stops != null && GradientFill.Stops.Length > 0)
{
Color1 = GradientFill.Stops[0].Color.ToColor(Palette);
Color2 = GradientFill.Stops[GradientFill.Stops.Length - 1].Color.ToColor(Palette);
}
switch (GradientFill.GradientType)
{
case TGradientType.Linear:
{
TExcelLinearGradient lgr = GradientFill as TExcelLinearGradient;
LinearGradientBrush Result = new LinearGradientBrush(CellRect, Color1, Color2, (real)(lgr.RotationAngle), true);
Result.WrapMode = WrapMode.TileFlipXY;
ColorBlend cb = GetInterpolationColors(Color1, Color2, Palette, lgr, false);
if (cb != null)
{
Result.InterpolationColors = cb;
}
return(Result);
}
case TGradientType.Rectangular:
{
TExcelRectangularGradient rgr = GradientFill as TExcelRectangularGradient;
PathGradientBrush Result = new PathGradientBrush(new PointF[] {
CellRect.Location,
new PointF(CellRect.Right, CellRect.Top),
new PointF(CellRect.Right, CellRect.Bottom),
new PointF(CellRect.Left, CellRect.Bottom)
});
Result.WrapMode = WrapMode.TileFlipXY;
Result.CenterPoint = new PointF(CellRect.Left + (float)rgr.Left * CellRect.Width, CellRect.Top + (float)rgr.Top * CellRect.Height);
Result.CenterColor = Color1;
Result.SurroundColors = new Color[] { Color2 };
ColorBlend cb = GetInterpolationColors(Color1, Color2, Palette, rgr, true); //must be (Color1, Color2), not (Color2, Color1) even if the blending will be reversed. This is because it will be reversed *after* Color1 and 2 have been added.
if (cb != null)
{
Result.InterpolationColors = cb;
}
return(Result);
}
}
return(new SolidBrush(ColorFg));
}
private double[] GetEncode(ColorBlend BlendColors)
{
int functionCount = BlendCount(BlendColors) - 1;
double[] Result = new double[2 * functionCount];
for (int i = 1; i < Result.Length; i += 2)
{
Result[i] = 1;
}
return(Result);
}
internal TPdfGradient GetGradient(TGradientType aGradientType, ColorBlend aBlendColors, RectangleF aCoords, PointF aCenterPoint, RectangleF RotatedCoords, string DrawingMatrix)
{
TPdfGradient SearchGradient = new TPdfGradient(GradientPatterns.Count, aGradientType, aBlendColors, aCoords, aCenterPoint, RotatedCoords, DrawingMatrix, Functions);
int Index = GradientPatterns.BinarySearch(0, GradientPatterns.Count, SearchGradient, null); //Only BinarySearch compatible with CF.
if (Index < 0)
GradientPatterns.Insert(~Index, SearchGradient);
else SearchGradient = GradientPatterns[Index];
return SearchGradient;
}
internal static void InvertColorBlend(ColorBlend Result)
{
for (int i = 0; i < (FlxGradient.BlendCount(Result) + 1) / 2; i++)
{
int n = FlxGradient.BlendCount(Result) - 1 - i;
Color Tmp = FlxGradient.BlendColor(Result, n);
real TmpPos = FlxGradient.BlendPosition(Result, n);
FlxGradient.SetColorBlend(Result, n, FlxGradient.BlendColor(Result, i), 1 - FlxGradient.BlendPosition(Result, i));
FlxGradient.SetColorBlend(Result, i, Tmp, 1 - TmpPos);
}
}
private TPdfFunction GetBlendFunction(ColorBlend BlendColors, List <TPdfFunction> FunctionList)
{
TPdfFunction SearchFunction = CreateBlendFunction(BlendColors, FunctionList);
int Index = FunctionList.BinarySearch(0, FunctionList.Count, SearchFunction, null);
if (Index < 0)
{
FunctionList.Insert(~Index, SearchFunction);
}
else
{
SearchFunction = FunctionList[Index];
}
return(SearchFunction);
}
protected override void UpdateBackground()
{
// background color change must be handled separately
// because the background would protrude through the border if the corners are rounded
// as the background would be applied to the renderer's FrameworkElement
var pancake = (PancakeView)Element;
if (Control != null)
{
if ((pancake.BackgroundGradientStartColor != default(Color) && pancake.BackgroundGradientEndColor != default(Color)) || (pancake.BackgroundGradientStops != null && pancake.BackgroundGradientStops.Any()))
{
// Create a gradient layer that draws our background.
if (pancake.BackgroundGradientStops != null && pancake.BackgroundGradientStops.Count > 0)
{
// A range of colors is given. Let's add them.
var orderedStops = pancake.BackgroundGradientStops.OrderBy(x => x.Offset).ToList();
var gc = new System.Windows.Media.GradientStopCollection();
foreach (var item in orderedStops)
{
gc.Add(new System.Windows.Media.GradientStop {
Offset = item.Offset, Color = item.Color.ToMediaColor()
});
}
this.Control.Background = new LinearGradientBrush(gc, pancake.BackgroundGradientAngle);
}
else
{
var gs1 = new System.Windows.Media.GradientStop {
Offset = 0, Color = pancake.BackgroundGradientStartColor.ToMediaColor()
};
var gs2 = new System.Windows.Media.GradientStop {
Offset = 1, Color = pancake.BackgroundGradientEndColor.ToMediaColor()
};
var gc = new System.Windows.Media.GradientStopCollection {
gs1, gs2
};
this.Control.Background = new LinearGradientBrush(gc, pancake.BackgroundGradientAngle);
}
}
else
{
Control.Background = Element.BackgroundColor.IsDefault ? null : Element.BackgroundColor.ToBrush();
}
}
}
private void UpdateBorder(PancakeView pancake)
{
//// Create the border layer
if (Control != null)
{
this.Control.BorderThickness = new System.Windows.Thickness(pancake.BorderThickness);
if ((pancake.BorderGradientStartColor != default(Color) && pancake.BorderGradientEndColor != default(Color)) || (pancake.BorderGradientStops != null && pancake.BorderGradientStops.Any()))
{
// Create a gradient layer that draws our background.
if (pancake.BorderGradientStops != null && pancake.BorderGradientStops.Count > 0)
{
// A range of colors is given. Let's add them.
var orderedStops = pancake.BorderGradientStops.OrderBy(x => x.Offset).ToList();
var gc = new System.Windows.Media.GradientStopCollection();
foreach (var item in orderedStops)
{
gc.Add(new System.Windows.Media.GradientStop {
Offset = item.Offset, Color = item.Color.ToMediaColor()
});
}
this.Control.BorderBrush = new LinearGradientBrush(gc, pancake.BorderGradientAngle);
}
else
{
var gs1 = new System.Windows.Media.GradientStop {
Offset = 0, Color = pancake.BorderGradientStartColor.ToMediaColor()
};
var gs2 = new System.Windows.Media.GradientStop {
Offset = 1, Color = pancake.BorderGradientEndColor.ToMediaColor()
};
var gc = new System.Windows.Media.GradientStopCollection {
gs1, gs2
};
this.Control.BorderBrush = new LinearGradientBrush(gc, pancake.BorderGradientAngle);
}
}
else
{
this.Control.BorderBrush = pancake.BorderColor.IsDefault ? null : pancake.BorderColor.ToBrush();
}
}
}
private static byte[] GetType0Array(ColorBlend BlendColors)
{
int bc = BlendCount(BlendColors);
byte[] Result = new byte[bc * 3];
int i = 0;
for (int x = 0; x < bc; x++)
{
Color c = BlendColor(BlendColors, bc - x - 1);
Result[i] = c.R; i++;
Result[i] = c.G; i++;
Result[i] = c.B; i++;
}
return(Result);
}
private static bool IsUniform(ColorBlend BlendColors)
{
int bc = BlendCount(BlendColors);
if (bc <= 2)
{
return(true);
}
real diff = BlendPosition(BlendColors, 1) - BlendPosition(BlendColors, 0);
for (int i = 2; i < bc; i++)
{
real newdiff = BlendPosition(BlendColors, i) - BlendPosition(BlendColors, i - 1);
if (!AlmostEqual(diff, newdiff))
{
return(false);
}
}
return(true);
}
private void UpdateBorder(PancakeView pancake)
{
//// Create the border layer
if (Control != null && pancake?.Border != null)
{
this.Control.BorderThickness = new System.Windows.Thickness(pancake.Border.Thickness);
if (pancake.Border.GradientStops != null && pancake.Border.GradientStops.Any())
{
// Create a gradient layer that draws our background.
if (pancake.Border.GradientStops != null && pancake.Border.GradientStops.Count > 0)
{
// A range of colors is given. Let's add them.
var orderedStops = pancake.Border.GradientStops.OrderBy(x => x.Offset).ToList();
var gc = new System.Windows.Media.GradientStopCollection();
foreach (var item in orderedStops)
{
gc.Add(new System.Windows.Media.GradientStop {
Offset = item.Offset, Color = item.Color.ToMediaColor()
});
}
var gradient = new System.Windows.Media.LinearGradientBrush(gc, 0)
{
StartPoint = new System.Windows.Point(pancake.Border.GradientStartPoint.X,
pancake.Border.GradientStartPoint.Y),
EndPoint = new System.Windows.Point(pancake.Border.GradientEndPoint.X,
pancake.Border.GradientEndPoint.Y)
};
this.Control.BorderBrush = gradient;
}
}
else
{
this.Control.BorderBrush = pancake.Border.Color.IsDefault ? null : pancake.Border.Color.ToBrush();
}
}
}
private static ColorBlend GetInterpolationColors(Color Color1, Color Color2, IFlexCelPalette Palette, TExcelGradient gr, bool InvertColors)
{
ColorBlend Result = null;
if (gr.Stops != null && gr.Stops.Length > 0) //It should be gr.Stops.Length > 2, but we will add them even if not needed, so there aren't exceptions when retrieving them.
{
Result = new ColorBlend(gr.Stops.Length);
for (int i = 0; i < gr.Stops.Length; i++)
{
Result.Colors[i] = gr.Stops[i].Color.ToColor(Palette);
Result.Positions[i] = (float)gr.Stops[i].Position;
}
FlxGradient.EnsureMinimumAndMaximum(Color1, Color2, ref Result);
if (InvertColors)
{
FlxGradient.InvertColorBlend(Result);
}
}
return(Result);
}
private TPdfFunction[] GetFunctions(ColorBlend BlendColors, List <TPdfFunction> FunctionList)
{
int functionCount = BlendCount(BlendColors) - 1;
TPdfFunction[] Result = new TPdfFunction[functionCount];
for (int i = 1; i <= functionCount; i++)
{
TPdfFunction SearchFunction = new TPdfType2Function(new Double[] { 0, 1 }, null, BlendColorArray(BlendColors, i), BlendColorArray(BlendColors, i - 1), 1);
int Index = FunctionList.BinarySearch(0, FunctionList.Count, SearchFunction, null);
if (Index < 0)
{
FunctionList.Insert(~Index, SearchFunction);
}
else
{
SearchFunction = FunctionList[Index];
}
Result[functionCount - i] = SearchFunction;
}
return(Result);
}
private TPdfFunction CreateBlendFunction(ColorBlend BlendColors, List <TPdfFunction> FunctionList)
{
//Decide what kind of function we want:
//For 2 values: type2:
//For more values: If they are uniform, type 1, else type 3.
if (BlendCount(BlendColors) == 1)
{
return(new TPdfType2Function(new Double[] { 0, 1 }, null, BlendColorArray(BlendColors, 0), BlendColorArray(BlendColors, 0), 1));
}
if (BlendCount(BlendColors) == 2)
{
return(new TPdfType2Function(new Double[] { 0, 1 }, null, BlendColorArray(BlendColors, 1), BlendColorArray(BlendColors, 0), 1));
}
if (IsUniform(BlendColors))
{
return(new TPdfType0Function(new Double[] { 0, 1 }, new Double[] { 0, 1, 0, 1, 0, 1 }, GetType0Array(BlendColors), 8, new int[] { BlendCount(BlendColors) }));
}
return(new TPdfType3Function(new Double[] { 0, 1 }, null, GetFunctions(BlendColors, FunctionList), GetBounds(BlendColors), GetEncode(BlendColors)));
}
internal void SelectBrush(TPdfStream DataStream, LinearGradientBrush aBrush, RectangleF Rect, RectangleF RotatedCoords, string DrawingMatrix)
{
#if (WPF)
ColorBlend cb = aBrush.GradientStops;
#else
ColorBlend cb = null;
try
{
if (aBrush.Blend == null)
{
cb = aBrush.InterpolationColors; //if it has interpolationcolors, blend must be null.
}
}
catch (ArgumentException) //Awful way to tell if it has Interpolationcolors, but the framework does not give us a choice.
{
}
if (cb == null)
{
cb = GetColorBlendWithoutInterpolationColors(aBrush.Blend, aBrush.LinearColors[0], aBrush.LinearColors[1]);
}
#endif
int n = cb.Colors.Length - 1;
if (cb.Colors[0].A != 255 || cb.Colors[n].A != 255)
{
ColorBlend TransparencyBlend = new ColorBlend(2);
TransparencyBlend.Colors[0] = ColorUtil.FromArgb(cb.Colors[0].A, cb.Colors[0].A, cb.Colors[0].A);
TransparencyBlend.Positions[0] = 0;
TransparencyBlend.Colors[1] = ColorUtil.FromArgb(cb.Colors[n].A, cb.Colors[n].A, cb.Colors[n].A);
TransparencyBlend.Positions[1] = 1;
TPdfGradient SMask = Resources.GetGradient(TGradientType.Axial, TransparencyBlend, Rect, Rect.Location, RotatedCoords, DrawingMatrix);
SelectTransparency(DataStream, 255, TPdfToken.CommandSetAlphaBrush, SMask.GetSMask(), PdfConv.ToRectangleXY(Rect, true));
}
Resources.SelectGradient(DataStream, TGradientType.Axial, cb, Rect, Rect.Location, RotatedCoords, DrawingMatrix);
}
internal void SelectGradient(TPdfStream DataStream, TGradientType aGradientType, ColorBlend aBlendColors, RectangleF aCoords, PointF aCenterPoint, RectangleF aRotatedCoords, string DrawingMatrix)
{
TPdfGradient SearchGradient = GetGradient(aGradientType, aBlendColors, aCoords, aCenterPoint, aRotatedCoords, DrawingMatrix);
SearchGradient.Select(DataStream);
}
/// <summary>
/// Protected constructor for GradientBrush
/// Sets all the values of the GradientStopCollection, all other values are left as default.
/// </summary>
protected GradientBrush(GradientStopCollection gradientStopCollection)
{
GradientStops = gradientStopCollection;
}
/// <summary>
/// RadialGradientBrush Constructor
/// Constructs a RadialGradientBrush with GradientStops set to the passed-in
/// collection.
/// </summary>
/// <param name="gradientStopCollection"> GradientStopCollection to set on this brush. </param>
public RadialGradientBrush(GradientStopCollection gradientStopCollection)
: base(gradientStopCollection)
{
}
public static M.Brush DrawingBrushToMediaBrush(D.Brush in_brush)
{
if (in_brush is D.SolidBrush)
{
M.SolidColorBrush brush = new M.SolidColorBrush(
ColorUtils.DrawingColorToMediaColor((in_brush as D.SolidBrush).Color)
);
return(brush);
}
else if (in_brush is D.Drawing2D.LinearGradientBrush)
{
D.Drawing2D.LinearGradientBrush lgb = (in_brush as D.Drawing2D.LinearGradientBrush);
System.Windows.Point starting_point = new System.Windows.Point(
lgb.Rectangle.X,
lgb.Rectangle.Y
);
System.Windows.Point ending_point = new System.Windows.Point(
lgb.Rectangle.Right,
lgb.Rectangle.Bottom
);
M.GradientStopCollection collection = new M.GradientStopCollection();
try
{
if (lgb.InterpolationColors != null && lgb.InterpolationColors.Colors.Length == lgb.InterpolationColors.Positions.Length)
{
for (int x = 0; x < lgb.InterpolationColors.Colors.Length; x++)
{
collection.Add(
new M.GradientStop(
ColorUtils.DrawingColorToMediaColor(lgb.InterpolationColors.Colors[x]),
lgb.InterpolationColors.Positions[x]
)
);
}
}
}
catch (Exception exc)
{
for (int x = 0; x < lgb.LinearColors.Length; x++)
{
collection.Add(
new M.GradientStop(
ColorUtils.DrawingColorToMediaColor(lgb.LinearColors[x]),
x / (double)(lgb.LinearColors.Length - 1)
)
);
}
}
M.LinearGradientBrush brush = new M.LinearGradientBrush(
collection,
starting_point,
ending_point
);
return(brush);
}
else if (in_brush is D.Drawing2D.PathGradientBrush)
{
D.Drawing2D.PathGradientBrush pgb = (in_brush as D.Drawing2D.PathGradientBrush);
System.Windows.Point starting_point = new System.Windows.Point(
pgb.CenterPoint.X,
pgb.CenterPoint.Y
);
M.GradientStopCollection collection = new M.GradientStopCollection();
if (pgb.InterpolationColors != null && pgb.InterpolationColors.Colors.Length == pgb.InterpolationColors.Positions.Length)
{
for (int x = 0; x < pgb.InterpolationColors.Colors.Length; x++)
{
collection.Add(
new M.GradientStop(
ColorUtils.DrawingColorToMediaColor(pgb.InterpolationColors.Colors[x]),
pgb.InterpolationColors.Positions[x]
)
);
}
}
M.RadialGradientBrush brush = new M.RadialGradientBrush(
collection
);
brush.Center = starting_point;
return(brush);
}
else
{
return(new M.SolidColorBrush(System.Windows.Media.Color.FromArgb(255, 255, 0, 0))); //Return error color
}
}
private void ManualUpdateResource(DUCE.Channel channel, bool skipOnChannelCheck)
{
// If we're told we can skip the channel check, then we must be on channel
Debug.Assert(!skipOnChannelCheck || _duceResource.IsOnChannel(channel));
if (skipOnChannelCheck || _duceResource.IsOnChannel(channel))
{
Transform vTransform = Transform;
Transform vRelativeTransform = RelativeTransform;
GradientStopCollection vGradientStops = GradientStops;
DUCE.ResourceHandle hTransform;
if (vTransform == null ||
Object.ReferenceEquals(vTransform, Transform.Identity)
)
{
hTransform = DUCE.ResourceHandle.Null;
}
else
{
hTransform = ((DUCE.IResource)vTransform).GetHandle(channel);
}
DUCE.ResourceHandle hRelativeTransform;
if (vRelativeTransform == null ||
Object.ReferenceEquals(vRelativeTransform, Transform.Identity)
)
{
hRelativeTransform = DUCE.ResourceHandle.Null;
}
else
{
hRelativeTransform = ((DUCE.IResource)vRelativeTransform).GetHandle(channel);
}
DUCE.ResourceHandle hOpacityAnimations = GetAnimationResourceHandle(OpacityProperty, channel);
DUCE.ResourceHandle hCenterAnimations = GetAnimationResourceHandle(CenterProperty, channel);
DUCE.ResourceHandle hRadiusXAnimations = GetAnimationResourceHandle(RadiusXProperty, channel);
DUCE.ResourceHandle hRadiusYAnimations = GetAnimationResourceHandle(RadiusYProperty, channel);
DUCE.ResourceHandle hGradientOriginAnimations = GetAnimationResourceHandle(GradientOriginProperty, channel);
DUCE.MILCMD_RADIALGRADIENTBRUSH data;
unsafe
{
data.Type = MILCMD.MilCmdRadialGradientBrush;
data.Handle = _duceResource.GetHandle(channel);
double tempOpacity = Opacity;
DUCE.CopyBytes((byte *)&data.Opacity, (byte *)&tempOpacity, 8);
data.hOpacityAnimations = hOpacityAnimations;
data.hTransform = hTransform;
data.hRelativeTransform = hRelativeTransform;
data.ColorInterpolationMode = ColorInterpolationMode;
data.MappingMode = MappingMode;
data.SpreadMethod = SpreadMethod;
Point tempCenter = Center;
DUCE.CopyBytes((byte *)&data.Center, (byte *)&tempCenter, 16);
data.hCenterAnimations = hCenterAnimations;
double tempRadiusX = RadiusX;
DUCE.CopyBytes((byte *)&data.RadiusX, (byte *)&tempRadiusX, 8);
data.hRadiusXAnimations = hRadiusXAnimations;
double tempRadiusY = RadiusY;
DUCE.CopyBytes((byte *)&data.RadiusY, (byte *)&tempRadiusY, 8);
data.hRadiusYAnimations = hRadiusYAnimations;
Point tempGradientOrigin = GradientOrigin;
DUCE.CopyBytes((byte *)&data.GradientOrigin, (byte *)&tempGradientOrigin, 16);
data.hGradientOriginAnimations = hGradientOriginAnimations;
// GradientStopCollection: Need to enforce upper-limit of gradient stop capacity
int count = (vGradientStops == null) ? 0 : vGradientStops.Count;
data.GradientStopsSize = (UInt32)(sizeof(DUCE.MIL_GRADIENTSTOP) * count);
channel.BeginCommand(
(byte *)&data,
sizeof(DUCE.MILCMD_RADIALGRADIENTBRUSH),
sizeof(DUCE.MIL_GRADIENTSTOP) * count
);
for (int i = 0; i < count; i++)
{
DUCE.MIL_GRADIENTSTOP stopCmd;
GradientStop gradStop = vGradientStops.Internal_GetItem(i);
double temp = gradStop.Offset;
DUCE.CopyBytes((byte *)&stopCmd.Position, (byte *)&temp, sizeof(double));
stopCmd.Color = CompositionResourceManager.ColorToMilColorF(gradStop.Color);
channel.AppendCommandData(
(byte *)&stopCmd,
sizeof(DUCE.MIL_GRADIENTSTOP)
);
}
channel.EndCommand();
}
}
}
/// <summary>
/// Apply settings to a panel
/// </summary>
/// <param name="settings">the custom caption settings</param>
/// <param name="isRoot">is this the root panel</param>
/// <param name="panel">the panel</param>
private void ApplyPanel(CustomCaptionSettings settings, bool isRoot, StackPanel panel)
{
var children = System.Convert.ToDouble(panel.Children.Count);
var startIndex = -1;
var endIndex = -1;
var index = 0;
foreach (var item in panel.Children)
{
bool empty = IsRowEmpty(item);
if (!empty && startIndex == -1)
{
startIndex = index;
}
if (!empty)
{
endIndex = index + 1;
}
this.ApplySettings(item, settings, panel);
index++;
}
if (isRoot && settings.WindowColor != null)
{
if (startIndex >= 0 && endIndex >= 0)
{
var startPercentage = Math.Max(0.0, (System.Convert.ToDouble(startIndex) / children) - 0.01);
var endPercentage = Math.Min(1.0, (System.Convert.ToDouble(endIndex) / children) + 0.01);
var gradientStops = new Media.GradientStopCollection();
var color = settings.WindowColor.ToColor();
gradientStops.Add(new Media.GradientStop
{
Color = Colors.Transparent,
Offset = startPercentage
});
gradientStops.Add(new Media.GradientStop
{
Color = color,
Offset = startPercentage
});
gradientStops.Add(new Media.GradientStop
{
Color = color,
Offset = endPercentage
});
gradientStops.Add(new Media.GradientStop
{
Color = Colors.Transparent,
Offset = endPercentage
});
panel.Background = new Media.LinearGradientBrush(gradientStops, 90);
}
}
}
private static double[] BlendColorArray(ColorBlend BlendColors, int Position)
{
Color c = BlendColor(BlendColors, Position);
return(new double[] { c.R / 255.0, c.G / 255.0, c.B / 255.0 });
}
