|
public PolylineTo ( |
||
| hdc | ||
| lppt | POINT | |
| cCount | uint | |
| return | bool | |
protected override bool OnExposeEvent(Gdk.EventExpose args)
{
using (Context cg = Gdk.CairoHelper.Create(args.Window))
{
Win32GDI GDI_Win32 = Win32GDI.getInstance();
if (GDI_Win32.isAvailable())
{
System.Drawing.Graphics wg = Gtk.DotNet.Graphics.FromDrawable(this.GdkWindow, true);
IntPtr hdc = wg.GetHdc();
int i = 0;
int n = 2;
int w = 16;
int h = 16;
Area[] areas = new Area[n];
GDI.POINT[][] points = new GDI.POINT[n][];
/* Test Case 1 */
areas[i].X = 0;
areas[i].Y = 0;
areas[i].W = w;
areas[i].H = h;
points[i] = new GDI.POINT[4];
points[i][0].X = 0;
points[i][0].Y = 15;
points[i][1].X = 8;
points[i][1].Y = 0;
points[i][2].X = 15;
points[i][2].Y = 15;
points[i][3].X = 0;
points[i][3].Y = 15;
i++;
/* Test Case 2 */
areas[i].X = 0;
areas[i].Y = 0;
areas[i].W = w;
areas[i].H = h;
points[i] = new GDI.POINT[5];
points[i][0].X = w * i + 3;
points[i][0].Y = 0 + 3;
points[i][1].X = w * (i + 1) - 3;
points[i][1].Y = 0 + 3;
points[i][2].X = w * (i + 1) - 3;
points[i][2].Y = h - 3;
points[i][3].X = w * i + 3;
points[i][3].Y = h - 3;
points[i][4].X = w * i + 3;
points[i][4].Y = 0 + 3;
i++;
/* Fill Area with White */
cg.Color = new Cairo.Color(255, 255, 255);
Cairo.Rectangle rect = new Cairo.Rectangle(0, 0, n * w, h);
cg.Rectangle(rect);
cg.Fill();
cg.Stroke();
IntPtr blackSolidBrush = GDI_Win32.CreateSolidBrush(0);
IntPtr oldBrush = GDI_Win32.SelectObject(hdc, blackSolidBrush);
for (i = 0; i < n; i++)
{
GDI_Win32.MoveToEx(hdc, points[i][0].X, points[i][0].Y, IntPtr.Zero);
GDI_Win32.PolylineTo(hdc, points[i], (uint)points[i].Length);
dumpText += "unsigned char polyline_to_case_" + (i + 1) + "[" + w * h + "] = \n";
dumpText += dumpPixelArea(GDI_Win32, hdc, i * w, 0, w, h) + "\n";
}
}
}
return(true);
}