// 完毕：
using System;
using System.IO;
using System.Drawing;
using GrapeCity.Documents.Pdf;
using GrapeCity.Documents.Text;
using GrapeCity.Documents.Pdf.Annotations;

namespace DsPdfWeb.Demos.Basics
{
    // 此示例演示如何向 PDF 文档添加声音注释。
    public class SoundAnnotations
    {
        public int CreatePDF(Stream stream)
        {
            var doc = new GcPdfDocument();
            var page = doc.NewPage();
            // 注释作者的用户名：
            var user1 = "丁艾夫";
            var user2 = "瓦东";

            var tf = new TextFormat() { Font = StandardFonts.Helvetica, FontSize = 10 };
            var noteWidth = 72 * 3;
            var gap = 8;

            var rc = Common.Util.AddNote(
                "此示例演示使用 GcDocs.PDF 添加声音注释。" +
                "",
                page);

            // AIFF声音注释：
            var ip = new PointF(rc.X, rc.Bottom + gap);
            rc = Common.Util.AddNote("红色声音注释放置在该音符的右侧。",
                page, new RectangleF(ip.X, ip.Y, noteWidth, 100));
            var aiffAnnot = new SoundAnnotation()
            {
                UserName = user1,
                Contents = "带有 AIFF 轨道的声音注释。",
                Rect = new RectangleF(rc.Right, rc.Top, 24, 24),
                Icon = SoundAnnotationIcon.Speaker,
                Color = Color.Red,
                Sound = SoundObject.FromFile(Path.Combine("Resources", "Sounds", "ding.aiff"), AudioFormat.Aiff)
            };
            page.Annotations.Add(aiffAnnot);

            // WAV声音注释：
            ip = new PointF(rc.X, rc.Bottom + gap);
            rc = Common.Util.AddNote("蓝色声音注释放置在该音符的右侧。",
                page, new RectangleF(ip.X, ip.Y, noteWidth, 100));
            var wavAnnot = new SoundAnnotation()
            {
                UserName = user2,
                Contents = "带 WAV 轨道的声音注释。",
                Rect = new RectangleF(rc.Right, rc.Top, 24, 24),
                Icon = SoundAnnotationIcon.Mic,
                Color = Color.Blue,
                Sound = SoundObject.FromFile(Path.Combine("Resources", "Sounds", "dong.wav"), AudioFormat.Wav)
            };
            page.Annotations.Add(wavAnnot);

            // 完毕：
            doc.Save(stream);
            return doc.Pages.Count;
        }
    }
}