//
// 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.Collections.Generic;
using System.Linq;
using GrapeCity.Documents.Drawing;
using GrapeCity.Documents.Text;
using GrapeCity.Documents.Imaging;
using GrapeCity.Documents.Html;
using GCTEXT = GrapeCity.Documents.Text;
using GCDRAW = GrapeCity.Documents.Drawing;

namespace DsImagingWeb.Demos
{
    // This sample uses the same code as in the HelloWorld sample
    // to create an image with the "Hello, World!" text, but in addition
    // adds company logo copied from the MESCIUS home page
    // using DsHtml.
    //
    // Please see notes in comments at the top of HelloWorldHtml
    // sample code for details on adding DsHtml to your projects.
    public class GcLogoHtml
    {
        public GcBitmap GenerateImage(Size pixelSize, float dpi, bool opaque, string[] sampleParams = null)
        {
            // MESCIUS home page:
            var uri = new Uri("https://developer.mescius.com/");
            // The coordinates of the logo on the home page:
            var logoRc = new RectangleF(5, 5, 350, 80);

            // Create the "Hello, World!" image like in the HelloWorld sample:
            var blue = Color.FromArgb(unchecked((int)0xFF2e4884));
            var bmp = new GcBitmap(pixelSize.Width, pixelSize.Height, true, dpi, dpi);
            using (var g = bmp.CreateGraphics(blue))
            {
                var rc = new RectangleF(0, 0, pixelSize.Width, pixelSize.Height);
                var b = new RadialGradientBrush(Color.White, blue, new PointF(0.5f, 0.5f), true);
                g.FillRectangle(rc, b);
                var tf = new TextFormat
                {
                    Font = GCTEXT.Font.FromFile(Path.Combine("Resources", "Fonts", "timesbd.ttf")),
                    FontSize = 64,
                    ForeColor = Color.OrangeRed,
                };
                g.DrawString("Hello, World!", tf, rc, TextAlignment.Center, ParagraphAlignment.Center, false);

                // Copy and paste the logo from onto the image, scaled x2:
                var fmt = new HtmlToImageFormat(false, false)
                {
                    FullPage = false,
                    MaxWindowWidth = 300,
                    MaxWindowHeight = 300,
                    Clip = logoRc,
                    Scale = 2
                };
                // Create an instance of GcHtmlBrowser that is used to render HTML:
                using var browser = Common.Util.NewHtmlBrowser();

                // Draw HTML:
                g.DrawHtml(browser, uri, pixelSize.Width - logoRc.Width * fmt.Scale, 0, fmt, out SizeF s);
            }
            return bmp;
        }
    }
}