protected void DrawPoints(List <SeriesFigure> figures, System.Drawing.Pen gdiPen, float d)
{
foreach (SeriesFigure figure in figures)
{
PointF point = figure.Points[0];
point.X -= d / 2;
point.Y -= d / 2;
RectangleF rect = new RectangleF(point, new SizeF(d, d));
GdiGraphics.DrawEllipse(gdiPen, rect);
}
}
protected void DrawPath(List <SeriesFigure> figures, System.Drawing.Pen gdiPen)
{
foreach (var figure in figures) // could do parallel For loop here...
{
var points = figure.Points;
var pointCount = figure.Points.Count;
for (int i = 0; i < pointCount - 1; i++)
{
GdiGraphics.DrawLine(gdiPen, points[i], points[i + 1]);
}
}
}
private static Bitmap MarkAngles(Bitmap image, double degrees)
{
var radians = degrees * (Math.PI / 180);
var blackPen = new System.Drawing.Pen(Color.LightGray, 1);
using (var graphics = Graphics.FromImage(image))
{
for (var currAngle = 0.0; currAngle < Math.PI / 2; currAngle += radians)
{
DrawLineAtAngle(image, currAngle, graphics, blackPen);
DrawLineAtAngle(image, -currAngle, graphics, blackPen);
}
}
return(image);
}
protected void DrawFilledPath(List <SeriesFigure> figures, System.Drawing.Pen gdiPen, System.Drawing.SolidBrush gdiBrush)
{
var path = new System.Drawing.Drawing2D.GraphicsPath();
foreach (var figure in figures) // could do parallel For loop here...
{
path.StartFigure();
var points = figure.Points;
var pointCount = figure.Points.Count;
for (int i = 0; i < pointCount - 1; i++)
{
path.AddLine(points[i], points[i + 1]);
}
}
path.CloseAllFigures();
GdiGraphics.FillPath(gdiBrush, path);
GdiGraphics.DrawPath(gdiPen, path);
}
private void PaintChars(InPage page, long id)
{
float[] charHeight = new float[500];
int index = 0;
Bitmap cloned = Interpress.Library.Libraries.DbtLibrary.Image.Image.Clone(page.Img);
using (Graphics g = Graphics.FromImage(cloned))
foreach (var item in page.Zones)
{
foreach (var itemChar in item.Chars)
{
Pen pen = new System.Drawing.Pen(staticsolidBrushes[index++ % staticsolidBrushes.Length], 1);
g.DrawRectangle(pen, itemChar.Rect.X, itemChar.Rect.Y, itemChar.Rect.Width, itemChar.Rect.Height);
}
}
string fileName = "c:\\temp\\" + id + "_char.jpg";
cloned.Save(fileName);
//imageviewerright.LoadImages(new List<byte[]>() { File.ReadAllBytes(fileName) });
cloned.Dispose();
}
private void DrawRectangle(System.Drawing.Pen pen, System.Drawing.RectangleF rect) => GdiGraphics.DrawRectangle(pen, System.Drawing.Rectangle.Round(rect));
private static void DrawFillPattern(Graphics g, FillPattern fillPattern)
{
Stopwatch sw = Stopwatch.StartNew();
if (fillPattern == null)
{
return;
}
float matrixScale = 1000;
try
{
var width = 30;
var height = 30;
var rect = new System.Drawing.Rectangle(0, 0, (int)width, (int)height);
var rect_border = new System.Drawing.Rectangle(0, 0, (int)width - 1, (int)height - 1);
Pen myPen = new Pen(System.Drawing.Color.FromArgb(0, 255, 220), 1);
g.DrawRectangle(myPen, rect_border);
var centerX = (rect.Left + rect.Left + rect.Width) / 2;
var centerY = (rect.Top + rect.Top + rect.Height) / 2;
g.TranslateTransform(centerX, centerY);
var rectF = new System.Drawing.Rectangle(-1, -1, 2, 2);
g.FillRectangle(System.Drawing.Brushes.Transparent, rectF);
g.ResetTransform();
var fillGrids = fillPattern.GetFillGrids();
foreach (var fillGrid in fillGrids)
{
var degreeAngle = (float)fillGrid.Angle * 180 / Math.PI;
var pen = new System.Drawing.Pen(System.Drawing.Color.FromArgb(0, 255, 220))
{
Width = 1f / matrixScale
};
float dashLength = 1;
var segments = fillGrid.GetSegments();
if (segments.Count > 0)
{
pen.DashPattern = segments
.Select(s => Math.Max(float.Epsilon, Convert.ToSingle(s)))
.ToArray();
dashLength = pen.DashPattern.Sum();
}
g.ResetTransform();
var rotateMatrix = new System.Drawing.Drawing2D.Matrix();
rotateMatrix.Rotate((float)degreeAngle);
var matrix = new System.Drawing.Drawing2D.Matrix(1, 0, 0, -1,
centerX, centerY);
matrix.Scale(matrixScale, matrixScale);
matrix.Translate((float)fillGrid.Origin.U,
(float)fillGrid.Origin.V);
var backMatrix = matrix.Clone();
backMatrix.Multiply(rotateMatrix);
matrix.Multiply(rotateMatrix);
var offset = (-10) * dashLength;
matrix.Translate(offset, 0);
backMatrix.Translate(offset, 0);
bool moving_forward = true;
bool moving_back = true;
int safety = 500;
double alternator = 0;
while (moving_forward || moving_back) // draw segments shifting and offsetting each time
{
var rectF1 = new RectangleF(-2 / matrixScale, -2 / matrixScale, 4 / matrixScale, 4 / matrixScale);
if (moving_forward && LineIntersectsRect(matrix, rect))
{
g.Transform = matrix;
g.DrawLine(pen, new PointF(0, 0), new PointF(100, 0));
}
else
{
moving_forward = false;
}
if (moving_back && LineIntersectsRect(backMatrix, rect))
{
g.Transform = backMatrix;
g.DrawLine(pen, new PointF(0, 0), new PointF(100, 0));
}
else
{
moving_back = false;
}
if (safety == 0)
{
break;
}
else
{
--safety;
}
matrix.Translate((float)fillGrid.Shift, (float)fillGrid.Offset);
backMatrix.Translate(-(float)fillGrid.Shift, -(float)fillGrid.Offset);
alternator += fillGrid.Shift;
if (Math.Abs(alternator) > Math.Abs(offset))
{
matrix.Translate(offset, 0);
backMatrix.Translate(offset, 0);
alternator = 0d;
}
}
}
sw.Stop();
g.ResetTransform();
Pen p = new Pen(System.Drawing.Color.Teal);
p.Width = 1f / matrixScale;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}