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Image Manipulation

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Thumbnails in PHP

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Contents in this article:
Creating an image with PHP
A brief introduction to the
Depending upon how it's done,
-------------------------
& GD library on the Fly
world of image manipulation
displaying a page of
*How PHP supports Imaging
, and add fonts to decorate
in PHP using the GD library.
thumbnail images can be very
*Support for Font libraries
it .Could be used as hit
This tutorial will guide you
cumbersome. Allowing the
*Creating Images *Getting
counter or just to show your
through creating a clock
browser to resize images
Image size *Colors *Color
database stats on main page .
that will display the
requires the client browser
Alpha / transparency
 
current time.
to download the entire,
*Drawing *Image resizing
 
 
full-size image, then
*Image zooming / enlarging
 
 
clumsily resize the image to
*Image cropping *Image
 
 
a specified size. This
rotation *Drawing True-Type
 
 
causes the page to load very
Fonts
 
 
slowly and creates
 
 
 
unavoidable distortion in
 
 
 
the resulting images. The
 
 
 
other option is to make
 
 
 
separate thumbnail images
 
 
 
for each individual image.
 
 
 
This is fine if you only
 
 
 
plan to display a few
 
 
 
images, but becomes
 
 
 
unrealistic on a large scale
 
 
 
or a site involving dynamic
 
 
 
images. Fortunately there
 
 
 
are ways around these
 
 
 
problems using the GD
 
 
 
library in PHP.


Date: Nov, 12 2005


Date: Sep, 08 2005


Date: Apr, 19 2005


Date: Apr, 19 2005
This tutorial demonstrates
This tutorial will teach you
One of the really cool
Create dynamic images with
how to place one image over
how you can add drop shadows
features with PHP 3.0 is its
the GD library. Tutorial
another image... handy stuff
dynamically to your images
integration with the GD
shows you how to create a
for applying a signature or
using PHP's GD image
Graphics library. Learn how
little man holding a sign
logo to a photo, adding a
processing functions.
to use these features and
that displays various
"watermark," or
 
make images with pure code.
messages (such a visitor's
whatever else you might
 
 
IP address and user-inputted
imagine useful.
 
 
text).


Date: Apr, 19 2005


Date: Apr, 19 2005


Date: Apr, 16 2005


Date: Jan, 20 2005
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