c#通过Graphics处理图片以及画图(初步学习1)

 

using  System;
using  System.Data;
using  System.Configuration;
using  System.Web;
using  System.Web.Security;
using  System.Web.UI;
using  System.Web.UI.WebControls;
using  System.Web.UI.WebControls.WebParts;
using  System.Web.UI.HtmlControls;
using  System.Drawing;
using  System.Drawing.Imaging;

/**/ /// 

/// MakePicture 的摘要说明
/// 

public   class  MakePicture
... {
    string imgpath;
    public string Imgpath ...{ get ...{ return imgpath; } set ...{ imgpath = value; } }
    string imgstyle;
    public string Imgstyle ...{ get ...{ return imgstyle; } set ...{ imgstyle = value; } }
    string imgname;
    public string Imgname ...{ get ...{ return imgname; } set ...{ imgname = value; } }
    Brush brushBg = new SolidBrush(Color.White);
 
    public MakePicture()
    ...{
        //
        // TODO: 在此处添加构造函数逻辑
        //
    }
    public bool MakeImage()
    ...{
        if (imgname!=""&&Imgstyle!="")
        ...{

            int name_len = imgname.Length;
            string path = imgpath + "/images/media/img/logo(" + Imgstyle.ToString() + ").gif";
            string path_new = imgpath + "/images/media/img/" + Imgstyle.ToString() + "/"+imgname+".gif";
            if (int.Parse(Imgstyle) == 1)
            ...{
                Font font1 = new Font("汉鼎简特粗黑", 23, FontStyle.Regular);
                
                
                Brush brush1 = new SolidBrush(Color.FromArgb(225,6,1));
                int width = name_len * 35+114;
                Bitmap imgTemp = new Bitmap(width, 60);
                System.Drawing.Image image1 = System.Drawing.Image.FromFile(path);
                Graphics gh = Graphics.FromImage(imgTemp);
                gh.FillRectangle(brushBg, 0, 0, width, 60);
                gh.TextRenderingHint=System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
                gh.DrawImage(image1, 0, 0);
                gh.DrawString(imgname, font1, brush1, 108,26);
                imgTemp.Save(path_new);
                font1.Dispose();
                brush1.Dispose();
                gh.Dispose();
                return true;
            }
            else if (int.Parse(Imgstyle) == 2)
            ...{
                Font font2 = new Font("方正小篆体", 30); 
                int width = name_len * 36;
                Bitmap imgTemp = new Bitmap(width, 46);//创建Image对象，大小为200 * 200
                Graphics g2 = Graphics.FromImage(imgTemp);//在Image对象上创建Graphics对象g2
                g2.FillRectangle(brushBg, 0, 0, width, 46);
                g2.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
                //g2.FillRectangle(Brushes.White, 0, 0, width, 42);//在Image图片上画一个填充矩形
                Color[] colors =...{ Color.Red, Color.FromArgb(24,240,120), Color.Blue, Color.FromArgb(24, 240, 120) };
                SolidBrush brush = new SolidBrush(Color.Black);
                for (int i = 0; i < name_len; i++)
                ...{
                    int  j = i%4;
                    brush.Color = colors[j];
                    g2.DrawString(imgname[i].ToString(), font2, brush, i * 30, 2);
                }
                imgTemp.Save(path_new);//将Image图片保存到本地
                font2.Dispose();
                brush.Dispose();
                g2.Dispose();//销毁g1对象
                return true;
            }
            else if(int.Parse(Imgstyle) == 3)...{
                Font font3 = new Font("方正舒体", 20);
                int width=name_len*46;
                Bitmap imgTemp = new Bitmap(width, 42);
                Graphics g2 = Graphics.FromImage(imgTemp);//在Image对象上创建Graphics对象g2
                g2.FillRectangle(brushBg, 0, 0, width, 42);
                g2.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
                System.Drawing.Image image1 = System.Drawing.Image.FromFile(path,false);
                SolidBrush brush = new SolidBrush(Color.Black);
                Color[] colors =...{ Color.FromArgb(60,240,120), Color.Yellow, Color.FromArgb(120,240,162), Color.Black };

                for (int i = 0; i < name_len; i++)
                ...{
                    int font_width=i*45+4;
                    int pic_width=i*45;
                    int j = i % 4;
                    brush.Color = colors[j];
                    g2.DrawImage(image1, pic_width, 0);
                    g2.DrawString(imgname[i].ToString(), font3, brush, font_width, 2);
                    
                }
                
                imgTemp.Save(path_new);//将Image图片保存到本地
                font3.Dispose();
                brush.Dispose();
                g2.Dispose();//销毁g1对象
                return true;
            }
            else ...{ return false; }
        }
        else
        ...{
            return false;
        }
        brushBg.Dispose();
    }
}