using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace NetLibrary.Drawing2D
{
    #region 我的图片
    public class MyBitmap
    {
        private Bitmap BackgroundImage = null;
        private Graphics MyGraphics = null;
        private string FilePath = "";

        public MyBitmap(string FilePath)
        {
           BackgroundImage=CustomIO.GetBitmap(FilePath);
           MyGraphics = CreateGraphics();
        }
        public MyBitmap(byte[] images)
        {
            BackgroundImage = CustomIO.GetPhoto(images);
            MyGraphics = CreateGraphics();
        }

        #region 创建画布
        private Graphics CreateGraphics()
        {
            Graphics gp = Graphics.FromImage(BackgroundImage);
            gp.PageUnit = GraphicsUnit.Pixel;
            gp.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
            gp.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
            gp.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
            gp.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceOver;
            gp.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
            gp.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
            return gp;
        }
        #endregion
        #region 去除内存
        public void Dispose()
        {
            MyGraphics.Dispose();
            BackgroundImage = null;
            MyGraphics = null;
        }
        #endregion
        #region 画表格
        public void DrawTable(MyTable tb)
        {
            FormatGroups(tb);
            int Left = tb.Left;
            int Top = tb.Top;
            Color TextColor = Color.FromName(tb.FontColor);
            string BackColor = "";
            foreach (var row in tb.Rows)
            {
                BackColor = row.BackColor;
                for (int i = 0; i < tb.Columns.Count; i++)
                {
                    MyCell cell = row.Cells[i];
                    if (cell.Visible == true)
                    {
                        if (string.IsNullOrEmpty(cell.FontColor) == false) { TextColor = Color.FromName(cell.FontColor); }
                        else { TextColor = Color.FromName(tb.FontColor); }
                        if (string.IsNullOrEmpty(cell.BackColor) == false) { BackColor = cell.BackColor; }
                        else { BackColor = row.BackColor; }
                        Rectangle rect = new Rectangle(Left, Top, tb.Columns[i].Width * cell.ColumnSpan, row.Height * cell.RowSpan);

                        if (string.IsNullOrEmpty(BackColor) == false)
                        {
                            SolidBrush br = new SolidBrush(Color.FromName(BackColor));
                            MyGraphics.FillRectangle(br, rect);
                            br.Dispose();
                        }
                        if (tb.ShowLine == true) MyGraphics.DrawRectangle(new Pen(Color.Black, tb.BorderWidth), rect);
                        if (cell.Img == null)
                        {
                            TextFormatFlags flags = TextFormatFlags.TextBoxControl | TextFormatFlags.WordBreak | TextFormatFlags.NoPadding;
                            if (cell.TextAlign == "Center") flags = flags | TextFormatFlags.HorizontalCenter;
                            if (cell.TextAlign == "Right") flags = flags | TextFormatFlags.Right;
                            if (cell.VerticalAlign == "Center") flags = flags | TextFormatFlags.VerticalCenter;
                            if (cell.VerticalAlign == "Bottom") flags = flags | TextFormatFlags.Bottom;
                            TextRenderer.DrawText(MyGraphics, cell.Text, cell.font, rect, TextColor, flags);
                        }
                        else
                        {
                            Bitmap bmp = CustomIO.GetBitmap(cell.Img.FilePath);
                            int TextTop = 0;
                            int TextLeft = 0;
                            int ImgTop = 0;
                            int ImgLeft = 0;

                            SizeF fs = GetFontSize(cell.font, cell.Text);
                            int TextHeight = Convert.ToInt32(fs.Height);
                            int TextWidth = Convert.ToInt32(fs.Width);
                            if (cell.TextAlign == "Center")
                            {
                                TextLeft = Left + ((tb.Columns[i].Width * cell.ColumnSpan - TextWidth - cell.Img.Width) / 2);
                            }
                            if (cell.TextAlign == "Right")
                            {
                                TextLeft = Left + (tb.Columns[i].Width * cell.ColumnSpan - TextWidth - cell.Img.Width);
                            }
                            if (string.IsNullOrEmpty(cell.TextAlign) == true || cell.TextAlign == "Left")
                            {
                                TextLeft = Left;
                            }
                            if (cell.VerticalAlign == "Center")
                            {
                                TextTop = Top + ((row.Height * cell.RowSpan - TextHeight) / 2);
                                ImgTop = Top + ((row.Height * cell.RowSpan - cell.Img.Height) / 2);
                            }
                            if (cell.VerticalAlign == "Bottom")
                            {
                                TextTop = Top + (row.Height * cell.RowSpan - TextHeight);
                                ImgTop = Top + (row.Height * cell.RowSpan - cell.Img.Height);
                            }
                            if (string.IsNullOrEmpty(cell.VerticalAlign) == true || cell.VerticalAlign == "Top")
                            {
                                TextTop = Top;
                                ImgTop = Top;
                            }
                            ImgLeft = TextLeft + TextWidth;

                            MyGraphics.DrawString(cell.Text, cell.font, new SolidBrush(TextColor), TextLeft, TextTop);
                            MyGraphics.DrawImage(bmp, ImgLeft, ImgTop, cell.Img.Width, cell.Img.Height);
                        }
                    }
                    Left += tb.Columns[i].Width;
                }
                Left = tb.Left;
                Top += row.Height;
            }
        }
        #endregion
        #region 画文字
        public void DrawString(MyString item)
        {
            FontStyle style = FontStyle.Regular;
            if (item.IsBold == true) style = style | FontStyle.Bold;
            if (item.IsItalic == true) style = style | FontStyle.Italic;
            Font f = new Font(item.FontName, item.FontSize, style);
            TextFormatFlags flags = TextFormatFlags.TextBoxControl | TextFormatFlags.WordBreak | TextFormatFlags.NoPadding;
            if (item.TextAlign == "Center") flags = flags | TextFormatFlags.HorizontalCenter;
            if (item.TextAlign == "Right") flags = flags | TextFormatFlags.Right;
            if (item.VerticalAlign == "Center") flags = flags | TextFormatFlags.VerticalCenter;
            if (item.VerticalAlign == "Bottom") flags = flags | TextFormatFlags.Bottom;
            Color TextColor = Color.FromName(item.FontColor);
            Rectangle rect = new Rectangle(item.Left, item.Top, item.Width, item.Height);
            TextRenderer.DrawText(MyGraphics, item.Text, f, rect, TextColor, flags);

            
        }
        #endregion
        #region 画图片
        public void DrawImage(MyImage item)
        {
            Bitmap bmp = CustomIO.GetBitmap(item.FilePath);
            //第一个柜形为要画的图片大小和坐标,第二个为要截取的图片坐标和大小
            MyGraphics.DrawImage(bmp, new Rectangle(0, 0, item.Width, item.Height), new Rectangle(0, 0, bmp.Width, bmp.Height), GraphicsUnit.Pixel);
        }
        #endregion

        #region 保存图片
        public void Save(ImageFormat imgFormat)
        {
            if (string.IsNullOrEmpty(this.FilePath) == false) throw new Exception("保存文件路径不存在");
            BackgroundImage.Save(this.FilePath,imgFormat);
        }
        #endregion
        #region 另存为图片
        public void SaveAs(string filePath, ImageFormat imgFormat)
        {
            if (File.Exists(filePath) == true) File.Delete(filePath);
            BackgroundImage.Save(filePath, imgFormat);
        }
        #endregion
        #region 返回行高
        public int GetFontHeight(Font f)
        {
           return TextRenderer.MeasureText("测试", f).Height;
        }
        #endregion
        #region 返回字体大小
        public SizeF GetFontSize(Font f,string Text)
        {
           // return TextRenderer.MeasureText(Text, f);
            return MyGraphics.MeasureString(Text, f);
        }
        #endregion
        #region 合并单元格
        void FormatGroups(MyTable tb)
        {
            FontStyle style = FontStyle.Regular;
            if (tb.IsBold == true) style = style | FontStyle.Bold;
            if (tb.IsItalic == true) style = style | FontStyle.Italic;
            Font CurrentFont = new Font(tb.FontName, tb.FontSize * 72 / BackgroundImage.HorizontalResolution, style);
            foreach (MyRow row in tb.Rows)
            {
                int rowIndex = tb.Rows.IndexOf(row);
                for (int i = 0; i < tb.Columns.Count; i++)
                {
                    MyCell cell = row.Cells[i];
                    if (string.IsNullOrEmpty(cell.FontName) == true)
                    {
                        cell.font = CurrentFont;
                    }
                    else
                    {
                        style = FontStyle.Regular;
                        if (cell.IsBold == true) style = style | FontStyle.Bold;
                        if (cell.IsItalic == true) style = style | FontStyle.Italic;
                        cell.font = new Font(cell.FontName, cell.FontSize * 72 / BackgroundImage.HorizontalResolution, style);
                    }
                    if (cell.RowSpan > 1)
                    {
                        //如果跨行数等于>1,那么添加,计算本单元格所需高度
                        //cell.Height = cell.Height * cell.RowSpan;
                        for (int ii = 1; ii < cell.RowSpan; ii++)
                        {
                            tb.Rows[rowIndex + ii].Cells[i].Visible = false;
                            tb.Rows[rowIndex + ii].Cells[i].VisibleState = false;
                        }
                    }

                    if (cell.ColumnSpan > 1)
                    {
                        //如果跨列数大于1，那么计算本单元格所需宽度
                        //cell.Width = cell.Width * cell.ColumnSpan;
                        for (int ii = 1; ii < cell.ColumnSpan; ii++)
                        {
                            row.Cells[i + ii].Visible = false;
                            row.Cells[i + ii].VisibleState = true;
                        }
                    }
                    //如果不是第一行,并且左边与上边的单元格属性为隐藏,那么隐藏单元格
                    if (rowIndex != 0 && i > 0)
                    {
                        if (row.Cells[i - 1].Visible == false && row.Cells[i - 1].VisibleState == false && tb.Rows[rowIndex - 1].Cells[i].Visible == false && tb.Rows[rowIndex - 1].Cells[i].VisibleState == true)
                        {
                            cell.Visible = false;
                        }
                    }

                }
            }

        }
        #endregion

    }
    #endregion
    #region 表对象
    public class MyTable
    {
        public int Top { get; set; }
        public int Left { get; set; }
        public int Width { get; set; }
        public int Height { get; set; }
        public bool ShowLine { get; set; }
        public string FontColor { get; set; }
        public string FontName { get; set; }
        public float FontSize { get; set; }
        public bool IsItalic  { get; set; } //是否倾斜
        public bool IsBold  { get; set; } //是否加粗
        public float BorderWidth { get; set; }
        public List<MyRow> Rows { get; set; }
        public List<MyColumn> Columns { get; set; }

        public MyTable()
        {
            Rows = new List<MyRow>();
            Columns = new List<MyColumn>();
            BorderWidth = 1;
            ShowLine = true;
            FontName = "宋体";
            FontColor = "Black";
            FontSize = 12;
        }
    }
    #endregion
    #region 表格中的行
    public class MyRow
    {
        public List<MyCell> Cells { get; set; }
        public int Height { get; set; }
        public string BackColor { get; set; }
        public MyRow()
        {
            Cells = new List<MyCell>();
            BackColor = "";
        }
    }
    #endregion
    #region 表格中的单元格
    public class MyCell
    {
        public int Width { get; set; }
        public int Height { get; set; }
        public string FontColor { get; set; }
        public string FontName { get; set; }
        public float FontSize { get; set; }
        public bool IsItalic  { get; set; } //是否倾斜
        public bool IsBold  { get; set; } //是否加粗
        public string Text { get; set; }
        public string TextAlign { get; set; }
        public string VerticalAlign { get; set; }
        public bool Visible { get; set; }
        public string BackColor { get; set; }
        public MyImage Img { get; set; }
        public int ColumnSpan { get; set; }
        public int RowSpan { get; set; }
        public Font font { get; set; }
        /// <summary>
        /// true为列隐藏,false为行隐藏
        /// </summary>
        public bool VisibleState { get; set; }

        public MyCell()
        {
            FontColor = "";
            BackColor = "";
            FontName = "";
            FontSize = 0;
            TextAlign = "Center"; //文本方向,Left,Right,Center
            VerticalAlign = "Center"; //Top,Center,Bottom
            Text = "";
            Visible = true;
            ColumnSpan = 1;
            RowSpan = 1;
        }
    }
    #endregion
    #region 表格中的列
    public class MyColumn
    {
        public int Width { get; set; }
    }
    #endregion
    #region 我的文字
    public class MyString
    {
        public int Top { get; set; }
        public int Left { get; set; }
        public int Width { get; set; }
        public int Height { get; set; }
        public string FontColor { get; set; }
        public string FontName { get; set; }
        public float FontSize { get; set; }
        public bool IsItalic { get; set; } //是否倾斜
        public bool IsBold { get; set; } //是否加粗
        public string Text { get; set; }
        public string TextAlign { get; set; }
        public string VerticalAlign { get; set; }

        public MyString()
        {
            FontName = "宋体";
            FontColor = "Black";
            FontSize = 12;
            TextAlign = "Left"; //文本方向,Left,Right,Center
            VerticalAlign = "Top"; //Top,Center,Bottom
        }
    }
    #endregion
    #region 我的图片
    public class MyImage
    {
        public int Top { get; set; }
        public int Left { get; set; }
        public int Width { get; set; }
        public int Height { get; set; }
        public string FilePath { get; set; }
    }
    #endregion

}