//// 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 System.Numerics;using GrapeCity.Documents.Drawing;using GrapeCity.Documents.Text;using GrapeCity.Documents.Imaging;using GCTEXT = GrapeCity.Documents.Text;using GCDRAW = GrapeCity.Documents.Drawing;
namespace DsImagingWeb.Demos{    // Gradients    public class Gradients2    {        public GcBitmap GenerateImage(Size pixelSize, float dpi, bool opaque, string[] sampleParams = null)        {            var blue = Color.FromArgb(unchecked((int)0xFF2e4884));            var bmp = new GcBitmap(pixelSize.Width, pixelSize.Height, true, dpi, dpi);            using (var g = bmp.CreateGraphics(Color.RoyalBlue))            {                var m = Matrix3x2.CreateSkew((float)Math.PI / 7, 0, new Vector2(175, 90));                g.Transform = m * Matrix3x2.CreateScale(2f) * Matrix3x2.CreateTranslation(100, 100);                var pen = new GCDRAW.Pen(Color.Yellow, 0.5f);
                var rgBrush = new RadialGradientBrush(Color.White, Color.Navy)                {                    GradientOrigin = new PointF(0.8f, 0.3f),                    AllowEllipticGradients = true                };                g.FillEllipse(new RectangleF(30, 30, 240, 140), rgBrush);
                pen.Color = Color.Red;                pen.Width = 2;                g.DrawRectangle(new RectangleF(30, 30, 240, 140), pen);
                pen.Color = Color.LightGreen;                pen.Width = 3.5f;                pen.DashStyle = DashStyle.DashDotDot;                pen.DashOffset = -3;                pen.LineCap = PenLineCap.Round;                g.DrawEllipse(new RectangleF(30, 30, 240, 140), pen);
                g.DrawString("DsImaging", new TextFormat()                {                    Font = GCTEXT.Font.FromFile(Path.Combine("Resources", "Fonts", "FreeSans.ttf")),                    ForeColor = Color.White,                    FontSize = 20f                }, new PointF(100, 110));            }            return bmp;        }    }}