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GD Graphics Library

http://www.boutell.com/
gd/

14 July 2000 8:41:28pm

gd is a free graphics library. It allows your code to quickly draw images complete with lines, arcs, text, multiple colors, cut and paste from other images, and flood fills, and write out the result as a PNG or JPEG file. This is particularly useful in World Wide Web applications, where PNG and JPEG are two of the formats accepted for inline images by most browsers.

gd is not a paint program. If you are looking for a paint program, you are looking in the wrong place. If you are not a programmer, you are looking in the wrong place.

gd does not provide for every possible desirable graphics operation. It is not necessary or desirable for gd to become a kitchen-sink graphics package, but version 1.7.3 incorporates most of the commonly requested features for an 8-bit 2D package. Support for truecolor images, including truecolor JPEG and PNG, is planned for version 2.0.

Generalised Bitmap Module

http://www.nyangau.fsnet.
co.uk/gbm/gbm.htm

29 May 2002 6:27:55pm

The GBM package consists of a number of components:

A piece of code capable of loading and saving bitmap (graphics) files in a variety of popular file formats, GIF, JPG, BMP, TIFF, PCX, targa (TGA, VST, AFI) and more. Programs may be written to use this code, and thus be able to access a variety of file formats without actually knowing what format the pictures are in, or any details about file format itself.
Some pieces of code that perform common operations on bitmap data. Such as reflection, X-Y transposition, rotation, cropping, scaling, halftoning, error-diffusing, palette mapping, and colour space mapping.
Some sample command line programs which use the above code.

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ImageMagick - Image
Conversion and Manipulation
Software

http://www.imagemagick.
org/

08 July 2000 11:18:24am

ImageMagick is a free robust collection of tools and libraries to read, write, and manipulate an image in many image formats (over 68 major formats) including popular formats like TIFF, JPEG, PNG, PDF, Photo CD, and GIF. With ImageMagick you can create images dynamically, making it suitable for Web applications. You can also resize, rotate, sharpen, color reduce, or add special effects to an image and save your completed work in the same or differing image format. Image processing operations are available from the command line, as well as through C, C++, and PERL-based programming interfaces.

GUI uses 'X' windows and can be driven from the command line (no GUI required).

The source is available and it runs on Windows 2000 or Windows 95/98 as well as on virtually any Unix system and Linux, Macintosh, VMS, and OS/2.

This software can be used to automate creation of thumbnails. In fact my "thumb.ih" (ppwizard) header file makes use of this software to create it's thumb nails.

A complete listing of all URLS is available if you are having trouble locating a URL.

About these Bookmarks

These bookmarks are of subjects or products I find useful (or think I may in the future). I never link to a site as a pre-condition for them linking to me! As I use Windows I am mainly interested in software for this operating system. Where good free software exists I generally only list the free software (I list some shareware and even some commercial software where it is exceptional).

If you have some completely free software (no adware and without timeouts or major restrictions) which you would like listed then please email me:

The URL (direct to resource's page) - not to the download.
A proposed category (existing one if possible)
A short description

To bypass my SPAM filter the subject should begin "SUGGESTED LINK:".

Creating These Book Mark Pages

This page was automatically created from Windows internet shortcuts (or favorites) created with IE or Netscape (OS/2 WPS URLs can also be imported). You can comment any link or category and just about anything can be changed (links don't even need to be in tables). PPWIZARD, a free tool for Windows, Mac OS X, Unix or OS/2 built these pages using this source code .

All URLs are checked periodically using the my free URL validation tool (for Windows and OS/2). This ensures that very few if any links point to moved pages or return 404 errors etc.

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Sunday April 06 2014 at 5:42pm