private void pnlCanvas_Paint(object sender, PaintEventArgs e)
{
if (guiDrawing == null)
{
e.Graphics.Clear(Color.Black);
return;
}
using (var backBuffer = new Bitmap(sourceImage.Width, sourceImage.Height, PixelFormat.Format24bppRgb))
using (Graphics backGraphics = Graphics.FromImage(backBuffer))
{
backGraphics.SmoothingMode = SmoothingMode.HighQuality;
PolygonDrawing.draw(guiDrawing, backGraphics, 1);
e.Graphics.DrawImage(backBuffer, 0, 0);
}
}
/// <summary>
/// 通过轮廓数据构建字体轮廓
/// </summary>
/// <param name="outline">轮廓数据</param>
/// <param name="offset">偏移量</param>
/// <param name="wordNode"></param>
/// <returns></returns>
private WordOutlineDrawing BuildWordOutline(DOutline outline, PointF offset, TreeNode wordNode)
{
//获取轮廓大小
SizeF size = new SizeF(outline.Width, outline.Height);
WordOutlineDrawing word = new WordOutlineDrawing(size);
//---------------------
wordNode.Tag = word;
//---------------------
int index = 0;
//遍历填充轮廓数据
foreach (DPolygon p in outline.Polygons)
{
//新增多边形实例
PolygonDrawing polygon = new PolygonDrawing();
//---------------------
TreeNode polygonNode = new TreeNode("多边形" + (++index));
polygonNode.Tag = polygon;
wordNode.Nodes.Add(polygonNode);
//---------------------
//起始点
PointF start = new PointF(offset.X + ConvertUtil.FixedToFloat(p.Start.x), offset.Y - ConvertUtil.FixedToFloat(p.Start.y));
PointF point = start;
foreach (DLine l in p.Lines)
{
LineDrawing line = null;
//如果类型为1则为折线，为2则为曲线
if (l.Type == 1)
{
line = new PolylineDrawing();
}
else
{
line = new CurvelineDrawing();
}
//加入起始点
line.Points.Add(point);
//---------------------
StringBuilder builder = new StringBuilder(l.Type == 1 ? "折" : "曲");
builder.AppendFormat(" ({0},{1}) ", point.X, point.Y);
//---------------------
foreach (POINTFX fx in l.Points)
{
point = new PointF(offset.X + ConvertUtil.FixedToFloat(fx.x), offset.Y - ConvertUtil.FixedToFloat(fx.y));
Console.WriteLine("{0}.{1}, {2}.{3}({4},{5})", fx.x.value, fx.x.fract, fx.y.value, fx.y.fract, ConvertUtil.FixedToFloat(fx.x), ConvertUtil.FixedToFloat(fx.y));
line.Points.Add(point);
builder.AppendFormat("({0},{1}) ", point.X, point.Y);
}
polygon.Lines.Add(line);
//---------------------
TreeNode lineNode = new TreeNode(builder.ToString());
lineNode.Tag = line;
polygonNode.Nodes.Add(lineNode);
//---------------------
}
if (point != start)
{
//增加结束到开始的闭合线段
LineDrawing endLine = new BeelineDrawing();
endLine.Points.Add(point);
endLine.Points.Add(start);
polygon.Lines.Add(endLine);
//---------------------
TreeNode endNode = new TreeNode(string.Format("直 ({0},{1}) ({0},{1}) ", point.X, point.Y, start.X, start.Y));
endNode.Tag = endLine;
polygonNode.Nodes.Add(endNode);
//---------------------
}
//加入到字符轮廓的多边形列表中
word.Polygons.Add(polygon);
}
return(word);
}
