本文整理汇总了C#中Cairo.Rectangle.Location方法的典型用法代码示例。如果您正苦于以下问题：C# Rectangle.Location方法的具体用法？C# Rectangle.Location怎么用？C# Rectangle.Location使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Cairo.Rectangle的用法示例。
在下文中一共展示了Rectangle.Location方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: PolygonSetFromStencil
public static unsafe Point[][] PolygonSetFromStencil(IBitVector2D stencil, Rectangle bounds, int translateX, int translateY)
{
List<Point[]> polygons = new List<Point[]>();
if (!stencil.IsEmpty)
{
Point start = bounds.Location ();
List<Point> pts = new List<Point>();
int count = 0;
// find all islands
while (true)
{
bool startFound = false;
while (true)
{
if (stencil[start])
{
startFound = true;
break;
}
++start.X;
if (start.X >= bounds.GetRight ())
{
++start.Y;
start.X = (int)bounds.X;
if (start.Y >= bounds.GetBottom ())
{
break;
}
}
}
if (!startFound)
{
break;
}
pts.Clear();
Point last = new Point(start.X, start.Y + 1);
Point curr = new Point(start.X, start.Y);
Point next = curr;
Point left = new Point ();
Point right = new Point ();
// trace island outline
while (true)
{
left.X = ((curr.X - last.X) + (curr.Y - last.Y) + 2) / 2 + curr.X - 1;
left.Y = ((curr.Y - last.Y) - (curr.X - last.X) + 2) / 2 + curr.Y - 1;
right.X = ((curr.X - last.X) - (curr.Y - last.Y) + 2) / 2 + curr.X - 1;
right.Y = ((curr.Y - last.Y) + (curr.X - last.X) + 2) / 2 + curr.Y - 1;
if (bounds.ContainsPoint(left.X, left.Y) && stencil[left])
{
// go left
next.X += curr.Y - last.Y;
next.Y -= curr.X - last.X;
}
else if (bounds.ContainsPoint(right.X, right.Y) && stencil[right])
{
// go straight
next.X += curr.X - last.X;
next.Y += curr.Y - last.Y;
}
else
{
// turn right
next.X -= curr.Y - last.Y;
next.Y += curr.X - last.X;
}
if (Math.Sign(next.X - curr.X) != Math.Sign(curr.X - last.X) ||
Math.Sign(next.Y - curr.Y) != Math.Sign(curr.Y - last.Y))
{
pts.Add(curr);
++count;
}
last = curr;
curr = next;
if (next.X == start.X && next.Y == start.Y)
{
break;
}
}
Point[] points = pts.ToArray();
Scanline[] scans = points.GetScans ();
foreach (Scanline scan in scans)
{
stencil.Invert(scan);
}
//.........这里部分代码省略.........