private void OnGUI()
{
var sorted = clusters.OrderByDescending(o => o.elementCount).ToList();
var initx = 50;
foreach (var c in sorted)
{
ColorRectangle.GUIDrawRect(new Rect(initx += 100, 100, 100, 100), c.centriod);
}
if (GUILayout.Button("Start"))
{
this.generatePending = true;
}
if (GUILayout.Button("ReadTexture"))
{
this.ReadTexture();
}
if (GUILayout.Button("Generate"))
{
this.Generate();
}
//GUI.DrawTexture(new Rect(0, 0, 200, 200), this._input);
}
private void DrawGradient(Graphics g)
{
Rectangle rectangle;
double num;
g.PixelOffsetMode = PixelOffsetMode.Half;
System.Windows.Forms.Orientation orientation = this.orientation;
if (orientation != System.Windows.Forms.Orientation.Horizontal)
{
if (orientation != System.Windows.Forms.Orientation.Vertical)
{
throw ExceptionUtil.InvalidEnumArgumentException <System.Windows.Forms.Orientation>(this.orientation, "this.Orientation");
}
}
else
{
num = 180.0;
goto Label_0040;
}
num = 90.0;
Label_0040:
rectangle = base.ClientRectangle;
orientation = this.orientation;
if (orientation != System.Windows.Forms.Orientation.Horizontal)
{
if (orientation != System.Windows.Forms.Orientation.Vertical)
{
throw ExceptionUtil.InvalidEnumArgumentException <System.Windows.Forms.Orientation>(this.orientation, "this.Orientation");
}
}
else
{
rectangle.Inflate(-3, -4);
goto Label_0082;
}
rectangle.Inflate(-4, -3);
Label_0082:
if (((this.customGradient != null) && (rectangle.Width > 1)) && (rectangle.Height > 1))
{
Surface surface = new Surface(rectangle.Size.ToSizeInt32());
using (RenderArgs args = new RenderArgs(surface))
{
ColorRectangle.Draw(args.Graphics, args.Bounds, Color.Transparent, true, false);
if (this.Orientation == System.Windows.Forms.Orientation.Horizontal)
{
for (int j = 0; j < surface.Width; j++)
{
double num16;
double num17;
double num18;
double d = ((double)(j * (this.customGradient.Length - 1))) / ((double)(surface.Width - 1));
int index = (int)Math.Floor(d);
double num5 = 1.0 - (d - index);
int num6 = (int)Math.Min((double)(this.customGradient.Length - 1), Math.Ceiling(d));
Color c = this.customGradient[index];
Color disabledColor = this.customGradient[num6];
if (!base.Enabled)
{
c = DisabledRendering.GetDisabledColor(c);
disabledColor = DisabledRendering.GetDisabledColor(disabledColor);
}
double num7 = ((double)c.A) / 255.0;
double num8 = ((double)c.R) / 255.0;
double num9 = ((double)c.G) / 255.0;
double num10 = ((double)c.B) / 255.0;
double num11 = ((double)disabledColor.A) / 255.0;
double num12 = ((double)disabledColor.R) / 255.0;
double num13 = ((double)disabledColor.G) / 255.0;
double num14 = ((double)disabledColor.B) / 255.0;
double num15 = (num5 * num7) + ((1.0 - num5) * num11);
if (num15 == 0.0)
{
num16 = 0.0;
num17 = 0.0;
num18 = 0.0;
}
else
{
num16 = (((num5 * num7) * num8) + (((1.0 - num5) * num11) * num12)) / num15;
num17 = (((num5 * num7) * num9) + (((1.0 - num5) * num11) * num13)) / num15;
num18 = (((num5 * num7) * num10) + (((1.0 - num5) * num11) * num14)) / num15;
}
int num19 = ((int)Math.Round((double)(num15 * 255.0), MidpointRounding.AwayFromZero)).Clamp(0, 0xff);
int num20 = ((int)Math.Round((double)(num16 * 255.0), MidpointRounding.AwayFromZero)).Clamp(0, 0xff);
int num21 = ((int)Math.Round((double)(num17 * 255.0), MidpointRounding.AwayFromZero)).Clamp(0, 0xff);
int num22 = ((int)Math.Round((double)(num18 * 255.0), MidpointRounding.AwayFromZero)).Clamp(0, 0xff);
for (int k = 0; k < surface.Height; k++)
{
ColorBgra bgra = surface[j, k];
int num24 = ((num20 * num19) + (bgra.R * (0xff - num19))) / 0xff;
int num25 = ((num21 * num19) + (bgra.G * (0xff - num19))) / 0xff;
int num26 = ((num22 * num19) + (bgra.B * (0xff - num19))) / 0xff;
surface[j, k] = ColorBgra.FromBgra((byte)num26, (byte)num25, (byte)num24, 0xff);
}
}
g.DrawImage(args.Bitmap, rectangle, args.Bounds, GraphicsUnit.Pixel);
}
else if (this.Orientation != System.Windows.Forms.Orientation.Vertical)
{
throw ExceptionUtil.InvalidEnumArgumentException <System.Windows.Forms.Orientation>(this.orientation, "this.Orientation");
}
}
surface.Dispose();
}
else
{
Color color3 = base.Enabled ? this.maxColor : DisabledRendering.GetDisabledColor(this.maxColor);
Color color4 = base.Enabled ? this.minColor : DisabledRendering.GetDisabledColor(this.minColor);
using (LinearGradientBrush brush = new LinearGradientBrush(base.ClientRectangle, color3, color4, (float)num, false))
{
g.FillRectangle(brush, rectangle);
}
}
using (PdnRegion region = new PdnRegion())
{
region.MakeInfinite();
region.Exclude(rectangle);
using (SolidBrush brush2 = new SolidBrush(this.BackColor))
{
g.FillRegion(brush2, region.GetRegionReadOnly());
}
}
for (int i = 0; i < this.vals.Length; i++)
{
Brush blue;
Pen pen;
Point point;
Point point2;
Point point3;
Point point4;
Point point5;
Point point6;
int x = this.ValueToPosition(this.vals[i]);
if (i == this.highlight)
{
blue = Brushes.Blue;
pen = (Pen)Pens.White.Clone();
}
else
{
blue = base.Enabled ? Brushes.Black : Brushes.Gray;
pen = (Pen)Pens.Gray.Clone();
}
g.SmoothingMode = SmoothingMode.AntiAlias;
orientation = this.orientation;
if (orientation != System.Windows.Forms.Orientation.Horizontal)
{
if (orientation != System.Windows.Forms.Orientation.Vertical)
{
throw ExceptionUtil.InvalidEnumArgumentException <System.Windows.Forms.Orientation>(this.orientation, "this.Orientation");
}
}
else
{
point = new Point(x - 3, 0);
point2 = new Point(x, 6);
point3 = new Point(x + 3, 0);
point4 = new Point(point.X, (base.Height - 1) - point.Y);
point5 = new Point(point2.X, (base.Height - 1) - point2.Y);
point6 = new Point(point3.X, (base.Height - 1) - point3.Y);
goto Label_0678;
}
point = new Point(0, x - 3);
point2 = new Point(6, x);
point3 = new Point(0, x + 3);
point4 = new Point((base.Width - 1) - point.X, point.Y);
point5 = new Point((base.Width - 1) - point2.X, point2.Y);
point6 = new Point((base.Width - 1) - point3.X, point3.Y);
Label_0678:
if (this.drawNearNub)
{
Point[] points = new Point[] { point, point2, point3, point };
g.FillPolygon(blue, points);
}
if (this.drawFarNub)
{
Point[] pointArray2 = new Point[] { point4, point5, point6, point4 };
g.FillPolygon(blue, pointArray2);
}
if (pen != null)
{
if (this.drawNearNub)
{
Point[] pointArray3 = new Point[] { point, point2, point3, point };
g.DrawPolygon(pen, pointArray3);
}
if (this.drawFarNub)
{
Point[] pointArray4 = new Point[] { point4, point5, point6, point4 };
g.DrawPolygon(pen, pointArray4);
}
pen.Dispose();
}
}
}
protected override void OnPaint(PaintEventArgs e)
{
ColorRectangle.Draw(e.Graphics, base.ClientRectangle, this.rectangleColor, base.Enabled, true);
}
private async void MouseMoveHandler(object obj)
{
_lastOperateTokenSource?.Cancel();
_lastOperateTokenSource = new CancellationTokenSource();
if (CheckGoOn())
{
System.Windows.Point?point = null;
await UiDispatcherHelper.InvokeAsync(() =>
{
if (Mask.IsMouseOver)
{
if (!CheckGoOn())
{
return;
}
//获取鼠标位置
point = Mouse.GetPosition(Mask);
}
});
if (point != null)
{
//查找屏幕长宽10%的矩形范围
var screenPoint = new PointF((float)point.Value.X / _canvasScreenWidthRatio,
(float)point.Value.Y / _canvasScreenHeightRatio);
var screenSize = GetScreenSize();
var rectangle = new Rectangle((int)(screenPoint.X - screenSize.Width * 0.1 / 2),
(int)(screenPoint.Y - screenSize.Height * 0.1 / 2), (int)(screenSize.Width * 0.1),
(int)(screenSize.Height * 0.1));
//需要呈现的点
var contains = _uniqueColorInfos.Where(s => rectangle.Contains(s.Key)).Select(s => s.Value)
.ToDictionary(s => s.Point);
if (!CheckGoOn())
{
return;
}
var tobeRemoves = new List <ColorRectangle>();
await UiDispatcherHelper.InvokeAsync(() =>
{
foreach (ColorRectangle maskChild in Mask.Children)
{
if (!CheckGoOn())
{
return;
}
var colorInfo = (ColorInfo)maskChild.Tag;
if (!contains.ContainsKey(colorInfo.Point))
{
tobeRemoves.Add(maskChild);
}
else
{
contains.Remove(colorInfo.Point);
}
}
foreach (var tobeRemove in tobeRemoves)
{
if (!CheckGoOn())
{
return;
}
Mask.Children.Remove(tobeRemove);
_colorRectanglesCache.Enqueue(tobeRemove);
}
//最多呈现10个元素
var maxCount = 500;
foreach (var keyValuePair in contains.Take(maxCount))
{
if (!CheckGoOn() || Mask.Children.Count >= maxCount)
{
return;
}
if (_colorRectanglesCache.TryDequeue(out var colorRectangle))
{
colorRectangle.UpdateColorInfo(keyValuePair.Value);
}
else
{
colorRectangle = new ColorRectangle(keyValuePair.Value);
}
colorRectangle.Tag = keyValuePair.Value;
var location = GetLocationInCanvas(Mask, keyValuePair.Value);
Panel.SetZIndex(colorRectangle, 1);
Canvas.SetLeft(colorRectangle, location.X);
Canvas.SetTop(colorRectangle, location.Y);
Mask.Children.Add(colorRectangle);
}
});
}
}
}
protected override void OnPaint(PaintEventArgs e)
{
e.Graphics.CompositingMode = CompositingMode.SourceOver;
int width = UIUtil.ScaleWidth(this.unscaledSwatchSize);
int num2 = base.ClientSize.Width / width;
Point mousePosition = Control.MousePosition;
mousePosition = base.PointToClient(mousePosition);
int num3 = this.MouseXYToColorIndex(mousePosition.X, mousePosition.Y);
for (int i = 0; i < this.colors.Count; i++)
{
PushButtonState pressed;
bool flag;
ColorBgra bgra = this.colors[i];
int num5 = i % num2;
int num6 = i / num2;
Rectangle rect = new Rectangle(num5 * width, num6 * width, width, width);
if (this.mouseDown)
{
if (i == this.mouseDownIndex)
{
pressed = PushButtonState.Pressed;
}
else
{
pressed = PushButtonState.Normal;
}
}
else if (i == num3)
{
pressed = PushButtonState.Hot;
}
else
{
pressed = PushButtonState.Normal;
}
switch (pressed)
{
case PushButtonState.Normal:
case PushButtonState.Disabled:
case PushButtonState.Default:
flag = false;
break;
case PushButtonState.Hot:
flag = true;
break;
case PushButtonState.Pressed:
flag = false;
break;
default:
throw ExceptionUtil.InvalidEnumArgumentException <PushButtonState>(pressed, "state");
}
ColorRectangle.Draw(e.Graphics, rect, bgra.ToColor(), base.Enabled, flag);
}
if (this.blinkHighlight)
{
Color window;
switch (((Math.Abs(Environment.TickCount) / 500) % 2))
{
case 0:
window = SystemColors.Window;
break;
case 1:
window = SystemColors.Highlight;
break;
default:
throw new InvalidOperationException();
}
using (Pen pen = new Pen(window))
{
e.Graphics.DrawRectangle(pen, new Rectangle(0, 0, base.Width - 1, base.Height - 1));
}
}
base.OnPaint(e);
}
