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diff --git a/mcs/class/System.Drawing/Samples/System.Drawing/RegionsRectangle.cs b/mcs/class/System.Drawing/Samples/System.Drawing/RegionsRectangle.cs
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+//
+// Sample application for region graphics functions using Rects implementation
+//
+// Author:
+// Jordi Mas, jordi@ximian.com
+//
+
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Drawing.Imaging;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+
+//
+public class Regions
+{
+ public static void DumpRegion (Region rgn)
+ {
+ Matrix matrix = new Matrix ();
+ RectangleF [] rects = rgn.GetRegionScans (matrix);
+
+ for (int i = 0; i < rects.Length; i++)
+ Console.WriteLine ( rects[i]);
+ }
+
+ public static void Main ()
+ {
+ Bitmap bmp = new Bitmap (600, 800);
+ Graphics dc = Graphics.FromImage (bmp);
+ Font fnt = new Font ("Arial", 8);
+ Font fnttitle = new Font("Arial", 8, FontStyle.Underline);
+ Matrix matrix = new Matrix ();
+ int x = 0;
+ Rectangle rect1, rect2, rect3, rect4;
+ Region rgn1, rgn2, rgn3, rgn4;
+
+ bool complement = true, exclude = true, union = true, xor = true, intersect = true;
+
+ SolidBrush whiteBrush = new SolidBrush (Color.White);
+
+ dc.DrawString ("Region samples using two Rectangle classes", fnttitle, whiteBrush, 5, 5);
+
+ /* First */
+ if (complement) {
+ rect1 = new Rectangle (20, 30, 60, 80);
+ rect2 = new Rectangle (50, 40, 60, 80);
+ rgn1 = new Region (rect1);
+ rgn2 = new Region (rect2);
+ dc.DrawRectangle (Pens.Green, rect1);
+ dc.DrawRectangle (Pens.Red, rect2);
+ rgn1.Complement (rgn2);
+ dc.FillRegion (Brushes.Blue, rgn1);
+ dc.DrawString ("Complement (" + rgn1.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 10, 130);
+ dc.DrawRectangles (Pens.Yellow, rgn1.GetRegionScans (matrix));
+ DumpRegion (rgn1);
+ }
+
+ /* Second */
+ if (exclude) {
+ rect3 = new Rectangle (130, 30, 60, 80);
+ rect4 = new Rectangle (170, 40, 60, 80);
+ rgn3 = new Region (rect3);
+ rgn4 = new Region (rect4);
+ dc.DrawRectangle (Pens.Green, rect3);
+ dc.DrawRectangle (Pens.Red, rect4);
+ rgn3.Exclude (rgn4);
+ dc.FillRegion (Brushes.Blue, rgn3);
+ dc.DrawString ("Exclude (" + rgn3.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 130, 130);
+ dc.DrawRectangles (Pens.Yellow, rgn3.GetRegionScans (matrix));
+ DumpRegion (rgn3);
+ }
+
+ /* Third */
+ if (intersect) {
+
+ Rectangle rect5 = new Rectangle (260, 30, 60, 80);
+ Rectangle rect6 = new Rectangle (290, 40, 60, 80);
+ Region rgn5 = new Region (rect5);
+ Region rgn6 = new Region (rect6);
+ dc.DrawRectangle (Pens.Green, rect5);
+ dc.DrawRectangle (Pens.Red, rect6);
+ rgn5.Intersect (rgn6);
+ dc.FillRegion (Brushes.Blue, rgn5);
+ dc.DrawString ("Intersect (" + rgn5.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 270, 130);
+ dc.DrawRectangles (Pens.Yellow, rgn5.GetRegionScans (matrix));
+ DumpRegion (rgn5);
+ }
+
+ /* Four */
+ if (xor) {
+ Rectangle rect7 = new Rectangle (380, 30, 60, 80);
+ Rectangle rect8 = new Rectangle (410, 40, 60, 80);
+ Region rgn7 = new Region (rect7);
+ Region rgn8 = new Region (rect8);
+ dc.DrawRectangle (Pens.Green, rect7);
+ dc.DrawRectangle (Pens.Red, rect8);
+ rgn7.Xor (rgn8);
+ dc.FillRegion (Brushes.Blue, rgn7);
+ dc.DrawString ("Xor (" + rgn7.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 400, 130);
+ dc.DrawRectangles (Pens.Yellow, rgn7.GetRegionScans (matrix));
+ DumpRegion (rgn7);
+ }
+
+ /* Fifht */
+ if (union) {
+ Rectangle rect9 = new Rectangle (500, 30, 60, 80);
+ Rectangle rect10 = new Rectangle (520, 40, 60, 80);
+ Region rgn9 = new Region(rect9);
+ Region rgn10 = new Region(rect10);
+ dc.DrawRectangle (Pens.Green, rect9);
+ dc.DrawRectangle (Pens.Red, rect10);
+ rgn9.Union(rgn10);
+ dc.FillRegion (Brushes.Blue, rgn9);
+ dc.DrawString ("Union (" + rgn9.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 530, 130);
+ dc.DrawRectangles (Pens.Yellow, rgn9.GetRegionScans (matrix));
+ DumpRegion (rgn9);
+ }
+
+ dc.DrawString ("Region samples using three Rectangle class", fnttitle, whiteBrush, 5, 155);
+
+ /* First */
+ x = 0;
+
+ if (complement) {
+ rect1 = new Rectangle (20+x, 180, 40, 50);
+ rect2 = new Rectangle (50+x, 190, 40, 50);
+ rect3 = new Rectangle (70+x, 210, 30, 50);
+ rgn1 = new Region (rect1);
+ rgn2 = new Region (rect2);
+ rgn3 = new Region (rect3);
+
+ dc.DrawRectangle (Pens.Green, rect1);
+ dc.DrawRectangle (Pens.Red, rect2);
+ dc.DrawEllipse (Pens.Red, rect3);
+
+ rgn1.Complement (rgn2);
+ rgn1.Complement (rgn3);
+ dc.FillRegion (Brushes.Blue, rgn1);
+ dc.DrawString ("Complement (" + rgn1.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 10, 275);
+ dc.DrawRectangles (Pens.Yellow, rgn1.GetRegionScans (matrix));
+ DumpRegion (rgn1);
+ }
+ x += 110;
+
+ /* Second */
+ if (exclude) {
+ rect1 = new Rectangle (20+x, 180, 40, 50);
+ rect2 = new Rectangle (50+x, 190, 40, 50);
+ rect3 = new Rectangle (70+x, 210, 30, 50);
+ rgn1 = new Region (rect1);
+ rgn2 = new Region (rect2);
+ rgn3 = new Region (rect3);
+
+ dc.DrawRectangle (Pens.Green, rect1);
+ dc.DrawRectangle (Pens.Red, rect2);
+ dc.DrawEllipse (Pens.Red, rect3);
+
+ rgn1.Exclude (rgn2);
+ rgn1.Exclude (rgn3);
+ dc.FillRegion (Brushes.Blue, rgn1);
+ dc.DrawRectangles (Pens.Yellow, rgn1.GetRegionScans (matrix));
+ dc.DrawString ("Exclude (" + rgn1.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 130, 275);
+ DumpRegion (rgn1);
+ }
+ x += 110;
+
+ /* Third */
+ if (intersect) {
+
+ rect1 = new Rectangle (20+x, 180, 40, 50);
+ rect2 = new Rectangle (50+x, 190, 40, 50);
+ rect3 = new Rectangle (70+x, 210, 30, 50);
+ rgn1 = new Region (rect1);
+ rgn2 = new Region (rect2);
+ rgn3 = new Region (rect3);
+
+ dc.DrawRectangle (Pens.Green, rect1);
+ dc.DrawRectangle (Pens.Red, rect2);
+ dc.DrawEllipse (Pens.Red, rect3);
+
+ rgn1.Union (rgn2);
+ rgn1.Intersect (rgn3);
+ dc.FillRegion (Brushes.Blue, rgn1);
+ dc.DrawRectangles (Pens.Yellow, rgn1.GetRegionScans (matrix));
+ dc.DrawString ("Intersect (" + rgn1.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 270, 275);
+ DumpRegion (rgn1);
+
+ }
+ x += 110;
+
+ /* Fourth */
+ if (xor) {
+ rect1 = new Rectangle (20+x, 180, 40, 50);
+ rect2 = new Rectangle (50+x, 190, 40, 50);
+ rect3 = new Rectangle (70+x, 210, 30, 50);
+ rgn1 = new Region (rect1);
+ rgn2 = new Region (rect2);
+ rgn3 = new Region (rect3);
+
+ dc.DrawRectangle (Pens.Green, rect1);
+ dc.DrawRectangle (Pens.Red, rect2);
+ dc.DrawEllipse (Pens.Red, rect3);
+
+ rgn1.Union (rgn2);
+ rgn1.Xor (rgn3);
+ dc.FillRegion (Brushes.Blue, rgn1);
+ dc.DrawRectangles (Pens.Yellow, rgn1.GetRegionScans (matrix));
+ dc.DrawString ("Xor (" + rgn1.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 380, 275);
+ DumpRegion (rgn1);
+ }
+ x += 110;
+
+ /* Fifth */
+ if (union) {
+ rect1 = new Rectangle (20+x, 180, 40, 50);
+ rect2 = new Rectangle (50+x, 190, 40, 50);
+ rect3 = new Rectangle (70+x, 210, 30, 50);
+ rgn1 = new Region (rect1);
+ rgn2 = new Region (rect2);
+ rgn3 = new Region (rect3);
+
+ dc.DrawRectangle (Pens.Green, rect1);
+ dc.DrawRectangle (Pens.Red, rect2);
+ dc.DrawEllipse (Pens.Red, rect3);
+
+ rgn1.Union (rgn2);
+ rgn1.Union (rgn3);
+ dc.FillRegion (Brushes.Blue, rgn1);
+ dc.DrawString ("Union (" + rgn1.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 500, 275);
+ dc.DrawRectangles (Pens.Yellow, rgn1.GetRegionScans (matrix));
+ DumpRegion (rgn1);
+ }
+ x += 110;
+
+ dc.DrawString ("Region samples using four Rectangle class", fnttitle, whiteBrush, 5, 300);
+
+ /* First */
+ x = 0;
+
+ if (complement) {
+ rect1 = new Rectangle (20+x, 330, 40, 50);
+ rect2 = new Rectangle (50+x, 340, 40, 50);
+ rect3 = new Rectangle (70+x, 360, 30, 50);
+ rect4 = new Rectangle (80+x, 400, 30, 10);
+ rgn1 = new Region (rect1);
+ rgn2 = new Region (rect2);
+ rgn3 = new Region (rect3);
+ rgn4 = new Region (rect4);
+
+ dc.DrawRectangle (Pens.Green, rect1);
+ dc.DrawRectangle (Pens.Red, rect2);
+ dc.DrawEllipse (Pens.Red, rect3);
+ dc.DrawRectangle (Pens.Red, rect4);
+
+ rgn1.Complement (rgn2);
+ rgn1.Complement (rgn3);
+ rgn1.Complement (rgn4);
+ dc.FillRegion (Brushes.Blue, rgn1);
+ dc.DrawString ("Complement (" + rgn1.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 10, 430);
+ dc.DrawRectangles (Pens.Yellow, rgn1.GetRegionScans (matrix));
+ DumpRegion (rgn1);
+ }
+ x += 110;
+
+ /* Second */
+ if (exclude) {
+ rect1 = new Rectangle (20+x, 330, 40, 50);
+ rect2 = new Rectangle (50+x, 340, 40, 50);
+ rect3 = new Rectangle (70+x, 360, 30, 50);
+ rect4 = new Rectangle (80+x, 400, 30, 10);
+ rgn1 = new Region (rect1);
+ rgn2 = new Region (rect2);
+ rgn3 = new Region (rect3);
+ rgn4 = new Region (rect4);
+
+ dc.DrawRectangle (Pens.Green, rect1);
+ dc.DrawRectangle (Pens.Red, rect2);
+ dc.DrawEllipse (Pens.Red, rect3);
+ dc.DrawRectangle (Pens.Red, rect4);
+
+ rgn1.Union (rgn2);
+ rgn1.Union (rgn3);
+ rgn1.Exclude (rgn4);
+ dc.FillRegion (Brushes.Blue, rgn1);
+ dc.DrawRectangles (Pens.Yellow, rgn1.GetRegionScans (matrix));
+ dc.DrawString ("Exclude (" + rgn1.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 130, 430);
+ }
+ x += 110;
+
+ /* Third */
+ if (intersect) {
+
+ rect1 = new Rectangle (20+x, 330, 40, 50);
+ rect2 = new Rectangle (50+x, 340, 40, 50);
+ rect3 = new Rectangle (70+x, 360, 30, 50);
+ rect4 = new Rectangle (80+x, 400, 30, 10);
+ rgn1 = new Region (rect1);
+ rgn2 = new Region (rect2);
+ rgn3 = new Region (rect3);
+ rgn4 = new Region (rect4);
+
+ dc.DrawRectangle (Pens.Green, rect1);
+ dc.DrawRectangle (Pens.Red, rect2);
+ dc.DrawEllipse (Pens.Red, rect3);
+ dc.DrawRectangle (Pens.Red, rect4);
+
+ rgn1.Union (rgn2);
+ rgn1.Union (rgn3);
+ rgn1.Intersect (rgn4);
+ dc.FillRegion (Brushes.Blue, rgn1);
+ dc.DrawRectangles (Pens.Yellow, rgn1.GetRegionScans (matrix));
+ dc.DrawString ("Intersect (" + rgn1.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 250, 430);
+ DumpRegion (rgn1);
+ }
+ x += 110;
+
+ /* Fourth */
+ if (xor) {
+ rect1 = new Rectangle (20+x, 330, 40, 50);
+ rect2 = new Rectangle (50+x, 340, 40, 50);
+ rect3 = new Rectangle (70+x, 360, 30, 50);
+ rect4 = new Rectangle (80+x, 400, 30, 10);
+ rgn1 = new Region (rect1);
+ rgn2 = new Region (rect2);
+ rgn3 = new Region (rect3);
+ rgn4 = new Region (rect4);
+
+ dc.DrawRectangle (Pens.Green, rect1);
+ dc.DrawRectangle (Pens.Red, rect2);
+ dc.DrawEllipse (Pens.Red, rect3);
+ dc.DrawRectangle (Pens.Red, rect4);
+
+ rgn1.Union (rgn2);
+ rgn3.Union (rgn4);
+ rgn1.Xor (rgn3);
+
+ dc.FillRegion(Brushes.Blue, rgn1);
+ dc.DrawRectangles (Pens.Yellow, rgn1.GetRegionScans (matrix));
+ dc.DrawString ("Xor (" + rgn1.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 370, 430);
+ DumpRegion (rgn1);
+ }
+ x += 110;
+
+ /* Fifth */
+ if (union) {
+ rect1 = new Rectangle (20+x, 330, 40, 50);
+ rect2 = new Rectangle (50+x, 340, 40, 50);
+ rect3 = new Rectangle (70+x, 360, 30, 50);
+ rect4 = new Rectangle (80+x, 400, 30, 10);
+ rgn1 = new Region (rect1);
+ rgn2 = new Region (rect2);
+ rgn3 = new Region (rect3);
+ rgn4 = new Region (rect4);
+
+ dc.DrawRectangle (Pens.Green, rect1);
+ dc.DrawRectangle (Pens.Red, rect2);
+ dc.DrawEllipse (Pens.Red, rect3);
+ dc.DrawRectangle (Pens.Red, rect4);
+
+ rgn1.Union (rgn2);
+ rgn1.Union (rgn3);
+ rgn1.Union (rgn4);
+ dc.FillRegion (Brushes.Blue, rgn1);
+ dc.DrawString ("Union (" + rgn1.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 490, 430);
+ dc.DrawRectangles (Pens.Yellow, rgn1.GetRegionScans (matrix));
+ DumpRegion (rgn1);
+ }
+ x += 110;
+
+ dc.DrawString ("Region samples using Regions with two Rectangles", fnttitle, whiteBrush, 5, 455);
+
+ x = 0;
+
+ if (complement) {
+ rect1 = new Rectangle (20+x, 330+150, 40, 50);
+ rect2 = new Rectangle (50+x, 340+150, 40, 50);
+ rect3 = new Rectangle (70+x, 360+150, 30, 50);
+ rect4 = new Rectangle (80+x, 400+150, 30, 10);
+ rgn1 = new Region (rect1);
+ rgn1.Union (rect2);
+ rgn2 = new Region (rect3);
+ rgn2.Union (rect4);
+
+ dc.DrawRectangle (Pens.Red, rect1);
+ dc.DrawRectangle (Pens.Red, rect2);
+ dc.DrawRectangle (Pens.Green, rect3);
+ dc.DrawRectangle (Pens.Green, rect4);
+
+ rgn1.Complement (rgn2);
+ dc.FillRegion (Brushes.Blue, rgn1);
+ dc.DrawString ("Complement (" + rgn1.GetRegionScans (matrix).Length +")", fnt, whiteBrush, 10, 430+150);
+ dc.DrawRectangles (Pens.Yellow, rgn1.GetRegionScans (matrix));
+ DumpRegion (rgn1);
+ }
+ x += 110;
+
+ rect1 = new Rectangle (1, 1, 4, 1);
+ dc.DrawRectangle (Pens.Pink, rect1);
+
+
+ bmp.Save("regionsrc.bmp", ImageFormat.Bmp);
+ }
+
+}
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-01 17:42:38 +0300