public void RedrawScreen(List <Figure> listFig, int index, Canvas canvas)
{
// canvas.Children.Clear();
// gridFigure.AddFigure(canvas);
// foreach (Line ln in centerLines)
// canvas.Children.Add(ln);
// if (OptionMode.mode == Mode.modeCursor)
// DrawFirstAndLastRectangle();
// for (int i = FigureList.Count -1 ; i >=0; i--)
// {
// FigureList[i].AddFigure(canvas); //можно не перерисовывать каждый раз
// if (AllRectanglesOn && i == ChosenFigure)
// {
// FigureList[i].DrawAllRectangles();
// }
// }
// if (OptionMode.mode == Mode.modeFigure || OptionMode.mode == Mode.modeTatami || OptionMode.mode == Mode.modeRunStitch
// || OptionMode.mode == Mode.modeSatin)
// {
// DrawInvisibleRectangles(canvas);
// }
// for (int i = 0; i < listPltFigure.Count; i++)
// {
// listPltFigure[i].AddFigure(canvas);
// }
canvas.Children.Clear();
canvas.Children.Add(gridBMP);
WriteableBitmap bmp = BitmapFactory.New(1600, 900);
bmp.Clear(Colors.Transparent);
Color lineColor;
for (int i = 0; i < listFig.Count; i++)
{
if (listFig[i].points.Count > 0)
{
if (i == index)
{
lineColor = OptionColor.colorActive;
}
else
{
lineColor = OptionColor.colorInactive;
}
List <Point> pts = listFig[i].points;
for (int j = 0; j < pts.Count - 1; j++)
{
bmp.DrawLineBresenham((int)pts[j].X, (int)pts[j].Y, (int)pts[j + 1].X, (int)pts[j + 1].Y, lineColor);
}
}
}
DrawModeRectangles(listFig, bmp);
mainBMP = new Image
{
Stretch = Stretch.None,
Source = bmp
};
canvas.Children.Add(mainBMP);
}
/*
* /// <summary>
* /// 绘制最大值数据组波形
* /// </summary>
* private void RenderPath(float[] data) {
* float value;
* //Stopwatch watch = new Stopwatch();
* //watch.Start();
* //fmax = this.data.Max();
* //fmin = this.data.Min();
* SetYlabel(_fmax, _fmin);
* if (_fmax > _fmin) {
* var pf = new PathFigure();
* value = (data[0] - _fmin) * 100 / (_fmax - _fmin);
* pf.StartPoint = new Point(0, value);
* for (var i = 1; i < ValidPixelNum; i++) {
* value = (int) ((data[i] - _fmin) * 100 / (_fmax - _fmin));
* var ls = new LineSegment();
* ls.Point = new Point(i, value);
* pf.Segments.Add(ls);
* }
* var pg = new PathGeometry();
* pg.Figures.Add(pf);
* linePath.Data = pg;
* }
* //watch.Stop();
* //Console.WriteLine("通道频域波形 {0}",watch.ElapsedMilliseconds);
* }
*/
/// <summary>
/// 绘制平均值数据组波形
/// </summary>
//private void RenderPath2(float[] data)
//{
// float fmax, fmin;
// float value;
// fmax = this.data.Max();
// fmin = this.data.Min();
// if (fmax > fmin)
// {
// PathFigure pf = new PathFigure();
// value = (data[0] - fmin) * 100 / (fmax - fmin);
// pf.StartPoint = new Point(0, value);
// for (int i = 1; i < ValidPixelNum; i++)
// {
// value = (int)((data[i] - fmin) * 100 / (fmax - fmin));
// LineSegment ls = new LineSegment();
// ls.Point = new Point(i, value);
// pf.Segments.Add(ls);
// }
// List<PathFigure> lstf = new List<PathFigure>();
// lstf.Add(pf);
// PathGeometry pg = new PathGeometry(lstf);
// this.AveragelinePath.Data = pg;
// }
//}
void RenderPath2(ref float[] src_data)
{
float fmax = this.fmax;
float fmin = this.fmin;
if (fmax > fmin)
{
double min = fmin;
double max = fmax;
DynamicAxis2 dynamicAxis = new DynamicAxis2 {
Pixles = 100, CanvasLine = canvas00, CanvasText = ycanvas00
};
dynamicAxis.Regulate(ref min, ref max, 4);
fmin = (float)min;
fmax = (float)max;
WriteableBitmap wb = BitmapFactory.New(1800, 100);
Point pstart = new Point();
Point pend = new Point();
float value1 = (src_data[0] - fmin) * 100 / (fmax - fmin);
for (int i = 1; i < src_data.Length; i++)
{
float value2 = (src_data[i] - fmin) * 100 / (fmax - fmin);
pstart.X = i - 1;
pstart.Y = value1;
pend.X = i;
pend.Y = value2;
value1 = value2;
wb.DrawLineBresenham((int)pstart.X, (int)pstart.Y, (int)pend.X, (int)pend.Y, Colors.Lime);
}
WaveImage.Source = wb;
}
}
/// <summary>
/// Draws a colored line by connecting two points using the Bresenham algorithm.
/// </summary>
/// <param name="bmp">The WriteableBitmap.</param>
/// <param name="x1">The x-coordinate of the start point.</param>
/// <param name="y1">The y-coordinate of the start point.</param>
/// <param name="x2">The x-coordinate of the end point.</param>
/// <param name="y2">The y-coordinate of the end point.</param>
/// <param name="color">The color for the line.</param>
public static void DrawLineBresenham(this WriteableBitmap bmp, int x1, int y1, int x2, int y2, Color color)
{
// Add one to use mul and cheap bit shift for multiplicaltion
int a = color.A + 1;
int col = (color.A << 24)
| ((byte)((color.R * a) >> 8) << 16)
| ((byte)((color.G * a) >> 8) << 8)
| ((byte)((color.B * a) >> 8));
bmp.DrawLineBresenham(x1, y1, x2, y2, col);
}
public void DrawLine(Point p1, Point p2, Canvas canvas)
{
canvas.Children.Remove(transparentBMP);
WriteableBitmap bmp = BitmapFactory.New(1600, 900);
bmp.Clear(Colors.Transparent);
bmp.DrawLineBresenham((int)p1.X, (int)p1.Y, (int)p2.X, (int)p2.Y, OptionColor.colorDrawing);
transparentBMP = new Image
{
Stretch = Stretch.None,
Source = bmp
};
canvas.Children.Add(transparentBMP);
}
/// <summary>
/// Draws line in canvas
/// </summary>
/// <param name="layer">Layer to operate on</param>
/// <param name="coordinates">Starting coordinates, usually click point</param>
/// <param name="color">Does it really need a description?</param>
private async void LineAsync(Layer layer, Coordinates coordinates, Color color, int size)
{
WriteableBitmap wb = layer.LayerBitmap;
_toolIsExecuting = true;
//clones bitmap before line
WriteableBitmap writeableBitmap = wb.Clone();
//While Mouse buttons are pressed, clears current bitmap, pastes cloned bitmap and draws line, on each iteration
while (Mouse.LeftButton == MouseButtonState.Pressed || Mouse.RightButton == MouseButtonState.Pressed)
{
wb.Clear();
wb.Blit(new Rect(new Size(layer.Width, layer.Height)), writeableBitmap, new Rect(new Size(layer.Width, layer.Height)), WriteableBitmapExtensions.BlendMode.Additive);
wb.DrawLineBresenham(coordinates.X, coordinates.Y, _activeCoordinates.X, _activeCoordinates.Y, color);
await Task.Delay(_asyncDelay);
}
_toolIsExecuting = false;
}
void RenderPath(ref float[] imgdata)
{
float y_max = fMax;
float y_min = fMin;
if (!(y_max > y_min))
{
return;
}
CordAxis axisy = new CordAxis {
CanvasLine = ycanvas01,
CanvasText = ycanvas00,
FMin = y_min,
FMax = y_max,
Num = 4,
Span = 25
};
axisy.DrawAxis(ref y_min, ref y_max);
WriteableBitmap wb = BitmapFactory.New(1800, 100);
Point pstart = new Point();
Point pend = new Point();
float value1 = (imgdata[0] - y_min) * 100 / (y_max - y_min);
for (int i = 1; i < imgdata.Length; i++)
{
float value2 = (imgdata[i] - y_min) * 100 / (y_max - y_min);
pstart.X = i - 1;
pstart.Y = value1;
pend.X = i;
pend.Y = value2;
value1 = value2;
wb.DrawLineBresenham((int)pstart.X, (int)pstart.Y, (int)pend.X, (int)pend.Y,
Colors.YellowGreen);
}
image.Source = wb;
}
private void DrawStroke(List <int> bitmapPixels, int width, int height)
{
var stroke = (fastRangeAreaBitmapSeries.Stroke as SolidColorBrush).Color;
double leftThickness = fastRangeAreaBitmapSeries.StrokeThickness / 2;
double rightThickness = (fastRangeAreaBitmapSeries.StrokeThickness % 2 == 0
? (fastRangeAreaBitmapSeries.StrokeThickness / 2) - 1
: fastRangeAreaBitmapSeries.StrokeThickness / 2);
int xStart, yStart, xEnd, yEnd;
xStart = areaPoints[0];
yStart = areaPoints[1];
xEnd = areaPoints[2];
yEnd = areaPoints[3];
if (points1 == null)
{
points1 = new int[10];
}
GetLinePoints(xStart, yStart, xEnd, yEnd, leftThickness, rightThickness, points1);
double[] emptyStrokeIndexes = GetEmptyStrokeIndexes();
var isMultipleArea = fastRangeAreaBitmapSeries.Area.IsMultipleArea;
for (int i = 2, j = 0; i < areaPoints.Count;)
{
points2 = new int[10];
xStart = xEnd;
yStart = yEnd;
i = i + 2;
if (i + 1 < areaPoints.Count)
{
xEnd = areaPoints[i];
yEnd = areaPoints[i + 1];
UpdatePoints2(xStart, yStart, xEnd, yEnd, leftThickness, rightThickness);
}
if (emptyStrokeIndexes[0] != j && emptyStrokeIndexes[1] != j)
{
if (isMultipleArea && fastRangeAreaBitmapSeries.Clip != null)
{
var clip = fastRangeAreaBitmapSeries.Clip.Bounds;
bitmap.DrawLineBresenham(fastBuffer, width, height, points1[0], points1[1], points1[2], points1[3], stroke, bitmapPixels, clip);
bitmap.FillPolygon(fastBuffer, points1, width, height, stroke, bitmapPixels, clip);
bitmap.DrawLineBresenham(fastBuffer, width, height, points1[4], points1[5], points1[6], points1[7], stroke, bitmapPixels, clip);
}
else
{
bitmap.DrawLineAa(fastBuffer, width, height, points1[0], points1[1], points1[2], points1[3], stroke, bitmapPixels);
bitmap.FillPolygon(fastBuffer, points1, width, height, stroke, bitmapPixels);
bitmap.DrawLineAa(fastBuffer, width, height, points1[4], points1[5], points1[6], points1[7], stroke, bitmapPixels);
}
}
j = j + 2;
points1 = points2;
points2 = null;
}
points1 = null;
points2 = null;
}