merge 2 image with transparent ???

Question

User-318218893 posted

Hello everybody,

i want to get your help, i have the problem like this

i have draw one image like background image

and then i want to draw image again like photo...

and i want the photo is transparent with the background...?

i try and try but not successfull.. Maybe you can help me solve my problem

 

Thank you very much

Answer 1

User-514194766 posted

can u explain more ?

Answer 2

User-318218893 posted

okay, not problem

sorry if my explanation is not clear

my problem is i want to merge 2 images and one image is transparent to other images...

Example the photo is transparent to the background... 

but the extension of my file is .jpg

can i do that? or maybe any solution like change the extension like .gif maybe?

i don't know how to solve this problem..

Thank you very much

Answer 3

User1725134492 posted

using System;

using System.Data;

using System.Configuration;

using System.Collections;

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.Drawing2D;

using System.Drawing.Imaging;

using System.Net;

using System.IO;

public partial class OverlappImages : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

overlapimage();

}

protected void overlapimage()

{

MemoryStream objStrmSelected = new MemoryStream();

System.Drawing.Image objImageSelected = System.Drawing.Image.FromFile("ur jpg/gif image path);//pathImage1 is the physical path of that image

objImageSelected.Save(objStrmSelected, System.Drawing.Imaging.ImageFormat.Jpeg);

MemoryStream objStrmBckgrnd = new MemoryStream();

System.Drawing.Image objImgBckgrnd = System.Drawing.Image.FromFile("second image path"); //pathImage2 is the physical path of this image

System.Drawing.Graphics objGrBckgrnd = System.Drawing.Graphics.FromImage(objImgBckgrnd);

objGrBckgrnd.CompositingQuality = CompositingQuality.HighQuality;

objGrBckgrnd.SmoothingMode = SmoothingMode.HighQuality;

objGrBckgrnd.InterpolationMode = InterpolationMode.HighQualityBicubic;

int width1 = objImgBckgrnd.Width; //--width of the background image

int height1 = objImgBckgrnd.Height;//--height of the background image

int width2 = objImageSelected.Width; //--width of the second image

int height2 = objImageSelected.Height;//--height of the second image

//--now x off set will be the result of the subtraction of the bigger(background) image and the smaller image width

int x = width1 / 2 - 100 / 2;

int y = height1 / 2 - 100 / 2;

//--draw that selected image on the background image on that position

objGrBckgrnd.DrawImage(objImageSelected, x, y, 100, 100);

objGrBckgrnd.Save();

//objImgBckgrnd.Save(objStrmBckgrnd, System.Drawing.Imaging.ImageFormat.Jpeg);

objImgBckgrnd.Save("path whr u want to save the image file", System.Drawing.Imaging.ImageFormat.Jpeg);

objStrmSelected.Dispose();

objImgBckgrnd.Dispose();

 

}

}

 

by

sathya

India