public static void PaintResults(Graphics aAreaForPainting, ResultGraphics aResultGraphics)
{
if (aResultGraphics != null && aResultGraphics.m_Polygons != null && aResultGraphics.m_Polygons.Count > 0)
{
Pen LinePen = new Pen(aResultGraphics.m_Polygons[0].m_Color);
foreach (ResultPolygon Poly in aResultGraphics.m_Polygons)
{
if (!LinePen.Color.Equals(Poly.m_Color))
{
LinePen.Color = Poly.m_Color;
}
aAreaForPainting.DrawLines(LinePen, Poly.m_Points);
}
}
}
public static ResultGraphics Parse(string aSvgData, Rectangle aDisplayControlRect)
{
ResultGraphics G = new ResultGraphics();
G.m_OrigSvgData = aSvgData;
// Parsing ViewBox size from the following node: viewBox="0 0 1280 1024"
int viewBoxIndex = aSvgData.IndexOf("viewBox=\"");
if (viewBoxIndex > 0)
{
Match VBM = m_RegexpViewBox.Match(aSvgData, viewBoxIndex);
if (VBM.Groups.Count > 4)
{
G.m_ViewBoxSize = new Size(Int32.Parse(VBM.Groups[3].Value), Int32.Parse(VBM.Groups[4].Value));
}
}
double Zoom;
Rectangle GraphicRect = Gui.FitImageInControl(G.m_ViewBoxSize, aDisplayControlRect, out Zoom);
Point GraphicShift = new Point((aDisplayControlRect.Width - GraphicRect.Width) / 2, (aDisplayControlRect.Height - GraphicRect.Height) / 2);
//If there is only image but no decoded result we don't want to parse out the coordinates
int dataLength = aSvgData.Length;
int pointsIndex = aSvgData.IndexOf("points", 0, dataLength);
int colorIndex = aSvgData.IndexOf("stroke=\"#", 0, dataLength);
int startIndex;
int endIndex;
string coordsString;
string[] coordsArray;
//parsing one or more polygons
while (pointsIndex != -1)
{
ResultPolygon Polygon = new ResultPolygon();
//parsing polygon color
colorIndex = aSvgData.IndexOf("stroke=\"#", colorIndex, dataLength - colorIndex);
if (colorIndex >= 0)
{
try
{
uint ColorValue = UInt32.Parse(aSvgData.Substring(colorIndex + 9, 6), System.Globalization.NumberStyles.HexNumber);
Polygon.m_Color = UIntToColor(ColorValue);
colorIndex += 9;
}
catch { }
}
//parsing polygon points
List <Point> Points = new List <Point>();
startIndex = aSvgData.IndexOf("points", pointsIndex, dataLength - pointsIndex) + 8;
endIndex = aSvgData.IndexOf('"', startIndex, dataLength - startIndex) - 1;
coordsString = aSvgData.Substring(startIndex, endIndex - startIndex);
coordsArray = coordsString.Split(' ', ',');
Point LastPoint = new Point();
for (int i = 0; i < coordsArray.Length; i += 2)
{
int PointX = (int)Math.Round(Convert.ToInt32(coordsArray[i + 0]) * Zoom) + GraphicShift.X;
int PointY = (int)Math.Round(Convert.ToInt32(coordsArray[i + 1]) * Zoom) + GraphicShift.Y;
LastPoint = new Point(PointX, PointY);
Points.Add(LastPoint);
}
//Adding the first point twice makes drawing easier (see: Graphics.DrawLines)
if (Points.Count > 0)
{
Points.Add(Points[0]);
}
Polygon.Set(Points.ToArray());
G.m_Polygons.Add(Polygon);
pointsIndex = aSvgData.IndexOf("points", pointsIndex + 1, dataLength - pointsIndex - 1);
}
return(G);
}
