public Ellipse ( |
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hdc | ||
nLeftRect | int | |
nTopRect | int | |
nRightRect | int | |
nBottomRect | int | |
Résultat | 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 = 3; int w = 16; int h = 16; Rect[] rects = new Rect[n]; /* Test Case 1 */ rects[i].x1 = 0; rects[i].y1 = 0; rects[i].x2 = w; rects[i].y2 = h; i++; /* Test Case 2 */ rects[i].x1 = w * i + 3; rects[i].y1 = 0; rects[i].x2 = w * (i + 1) - 3; rects[i].y2 = h; i++; /* Test Case 3 */ rects[i].x1 = w * i; rects[i].y1 = 0 + 3; rects[i].x2 = w * (i + 1); rects[i].y2 = h - 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.Ellipse(hdc, rects[i].x1, rects[i].y1, rects[i].x2, rects[i].y2); dumpText += "unsigned char ellipse_case_" + (i + 1) + "[" + w * h + "] = \n"; dumpText += dumpPixelArea(GDI_Win32, hdc, i * w, 0, w, h) + "\n"; } } } return(true); }