//// This code is part of Document Solutions for Imaging demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System;using System.IO;using System.Drawing;using GrapeCity.Documents.Drawing;using GrapeCity.Documents.Text;using GrapeCity.Documents.Imaging;using GCTEXT = GrapeCity.Documents.Text;
namespace DsImagingWeb.Demos{    // This sample demonstrates the different hatch brush styles.    // Many of those styles implement MS Excel pattern styles.    public class HatchStyles    {        public GcBitmap GenerateImage(Size pixelSize, float dpi, bool opaque, string[] sampleParams = null)        {            // HatchStyle            var hatchStyles = Enum.GetValues(typeof(HatchStyle));            int COLS = 4;            var w = pixelSize.Width / COLS;            var h = pixelSize.Height / ((hatchStyles.Length + COLS -1) / COLS);
            var tf = new TextFormat            {                Font = GCTEXT.Font.FromFile(Path.Combine("Resources", "Fonts", "FreeSerif.ttf")),                FontSize = 12,            };
            var bmp = new GcBitmap(pixelSize.Width, pixelSize.Height, true, dpi, dpi);            using (var g = bmp.CreateGraphics(Color.White))            {                int row = 0, col = 0;                foreach (HatchStyle hs in hatchStyles)                {                    // Hatch:                    var rc = new RectangleF(col * w, row * h, w, h);                    var b = new HatchBrush(hs)                    {                        ForeColor = Color.Black,                        BackColor = Color.White                    };                    g.FillRectangle(rc, b);                    // Caption:                    var cap = hs.ToString();                    var scap = g.MeasureString(cap, tf);                    var rcap = new RectangleF(                        rc.X + (rc.Width - scap.Width) / 2,                        rc.Y + (rc.Height - scap.Height) / 2,                        scap.Width, scap.Height);                    rcap.Inflate(3, 2);                    g.FillRectangle(rcap, Color.White);                    g.DrawString(cap, tf, rcap, TextAlignment.Center, ParagraphAlignment.Center);                    // Move on:                    if (++col >= COLS)                    {                        col = 0;                        ++row;                    }                }            }            return bmp;        }    }}