using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Drawing; using System.Drawing.Imaging;namespace WebTest { public partial class WebForm5 : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { Bitmap img = new Bitmap(@"E:\Temp\psu (1).jpg"); SolidBrush pixelBrush; Graphics g = Graphics.FromImage(img); for (int i = 0; i < img.Width; i++) {
for (int j = 0; j < img.Height; j++) { Color pixelColor = img.GetPixel(i-i%2, j-j%2);
pixelBrush = new SolidBrush(pixelColor); g.FillRectangle(pixelBrush, i, j, 1, 1);
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Drawing;
using System.Drawing.Imaging;namespace WebTest
{
public partial class WebForm5 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Bitmap img = new Bitmap(@"E:\Temp\psu (1).jpg");
SolidBrush pixelBrush;
Graphics g = Graphics.FromImage(img);
for (int i = 0; i < img.Width; i++)
{
for (int j = 0; j < img.Height; j++)
{ Color pixelColor = img.GetPixel(i-i%2, j-j%2);
pixelBrush = new SolidBrush(pixelColor);
g.FillRectangle(pixelBrush, i, j, 1, 1);
}
}
Response.ContentType = "image/JPEG";
img.Save(Response.OutputStream, ImageFormat.Jpeg);
Response.End();
}
}
}
经过测试的,本来想用指针的形式,奈何没有调试成功,楼主可以 执行 提高效率