private void selectClipMethods(int mcutlineType)
{
this.Refresh();
hdc = useApi.GetDC(hwnd);
for (int i = 0; i < storeLines.Count; i++)
{
List <Point> points = new List <Point>();
points.Add(storeLines[i].firstPoint);
points.Add(storeLines[i].lastPoint);
points.Add(lineClipRegionPoints[0]);
points.Add(lineClipRegionPoints[1]);
if (mcutlineType == 4)
{
LineCut.liangyoudongBarsky(hdc, points, Color.Blue);
}
else if (mcutlineType == 5)
{
LineCut.midSeparate(hdc, points, Color.Blue);
}
else if (mcutlineType == 6)
{
}
else if (mcutlineType == 7)
{
LineCut.slopeCut(hdc, points, Color.Blue);
}
}
storeLines = new List <StoreLine>();
lineClipRegionPoints = new List <Point>();
useApi.ReleaseDC(hwnd, hdc);
}
private void CohenSutherlandToolStripMenuItem_Click(object sender, EventArgs e)
{
mCutLineType = 3;
this.Refresh();
hdc = useApi.GetDC(hwnd);
for (int i = 0; i < storeLines.Count; i++)
{
LineCut.cohenSutherland(hdc, storeLines[i].firstPoint, storeLines[i].lastPoint, lineClipRegionPoints[0], lineClipRegionPoints[1], Color.Blue);
}
storeLines = new List <StoreLine>();
lineClipRegionPoints = new List <Point>();
useApi.ReleaseDC(hwnd, hdc);
}