Create a Slideshow Image Gallery Using HTML5

Manish Singh
12y
54.3k
0
2

Article

Introduction

This is a simple application for beginners that shows how to create a slideshow image gallery using HTML 5, JQuery and CSS tools. We know that HTML 5 is the advanced version of HTML. Basically HTML 5 can be used to develop 3D applications. This article is intended to help with the use of HTML5 tools to develop slideshow image gallery applications. CSS is the acronym for Cascading Style Sheet that is used for design. CSS defines how HTML elements are to be displayed. Canvas is an important tag of a HTML 5 that is used to show the image and text in a HTML 5 applications. I hope this article helps to develop a slideshow image gallery using HTML 5, JQuery and CSS tools.

Step 1 : First open a HTML editor such as Notepad.

Open start->Notepad.
The name of editor is "Gallery".

Step 2 : Create a Folder on a desktop.

Right-click on desktop->new->Folder.
Name of folder is "Tom".

Step 3 : Open Visual Studio.

Go to file -> New->Projects.
Crete an ASP. NET Web Application.
Name of "Image.aspx".

Step 4 : Add a HTML file to your web application.

Right-click on Solution Explorer.
Add->add new item->HTML form.
The Name of the HTML form is "slider.html".

Step 5 : Add a folder to your web application.

Right-click on Solution Explorer.
Add->add new folder.
The Name of the folder is "Gallery".

Step 6 : Add a items in image folder.

Right-click on image folder.
Add->add Existing item.
After that add items in folder.

Step 7 : Now in this step we define a CSS file named Photo1.css. In CSS we define all properties of sliders; that is background, border, margin, height, width, position, display etc.

Code

body
{

color:Green;

background:url('img/bg.jpg') repeat-x #CC99FF;

font:13px "Lucida Sans Unicode",Arial;

}

#SLIDE

{

background-color:#F5F5F5;

border:1px solid #FFFFFF;

height:340px;

margin:150px auto 0;

position:relative;

width:640px;

-moz-box-shadow:0 0 22px #111;

-webkit-box-shadow:0 0 22px #111;

box-shadow:0 0 22px #111;

}

#SLIDE ul
{

height:320px;

left:10px;

list-style:none outside none;

overflow:hidden;

position:absolute;

top:10px;

width:620px;

}

#SLIDE li
{

position:absolute;

display:none;

z-index:10;

}

#SLIDE li:first-child
{

display:block;

z-index:1000;

}

#SLIDE .slideActive
{

z-index:1000;

}

#SLIDE canvas{

display:none;

position:absolute;

z-index:100;

}

#SLIDE .arrow
{

height:86px;

width:60px;

position:absolute;

top:50%;

margin-top:-43px;

cursor:pointer;

z-index:5000;

}

#SLIDE .previous{ background-position:left top;left:0;}

#SLIDE .previous:hover{ background-position:left bottom;}

#SLIDE .next{ background-position:right top;right:0;}

#SLIDE .next:hover{ background-position:right bottom;}

Step 8 : Now in this step we set a path of a image in a div.

Code

</ul>

</div>

Step 9 : Now we have used a js file named galary.js. In the js file we set a sliding functionality.

Code

function createcanOverlay(image) {

var can = document.createElement('can'),

canContext = can.getContext("2d");

can.width = slideshow.width;

can.height = slideshow.height;

canContext.drawImage(image, 0, 0);

var Img = canContext.getImg(0, 0, can.width, can.height),

data = Img.data;

for (var i = 0, z = data.length; i < z; i++) {

data[i] = ((data[i] < 128) ? (2 * data[i] * data[i] / 255) : (255 - 2 * (255 - data[i]) * (255 - data[i]) / 255));

data[++i] = ((data[i] < 128) ? (2 * data[i] * data[i] / 255) : (255 - 2 * (255 - data[i]) * (255 - data[i]) / 255));

++i;

}

canContext.putImg(Img, 0, 0);

image.parentNode.insertBefore(can, image);

}

});

Step 10 : The compete code of the application is given below.

Code

<html>

<head>
<title>Image Slider Demo</title>
<link rel="stylesheet" type="text/css" href="photo1.css" />
<body>
</head>

</ul>

</div>

<h1>Tom Develop a Slider image</h1>

</body>

</html>

Step 11 : The following shows an image of the complete application.

Step 12 : Press Ctrl + F5 to run the application in a browser.

Output

Click a corner of the image; after that change a image one by one.

Resources

Here is some useful resources :

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