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GD image format - Just Solve the File Format Problem

GD image format

From Just Solve the File Format Problem
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** See the [https://libgd.github.io/pages/downloads.html LibGD website] for the latest release.
 
** See the [https://libgd.github.io/pages/downloads.html LibGD website] for the latest release.
 
** [https://github.com/libgd/libgd LibGD GitHub project]
 
** [https://github.com/libgd/libgd LibGD GitHub project]
 +
 +
== Sample files ==
 +
* {{DexvertSamples|image/gd}}
  
 
== Links ==
 
== Links ==
 
* [https://libgd.github.io/ LibGD website]
 
* [https://libgd.github.io/ LibGD website]
 
* [https://libgd.github.io/manuals/2.3.0/files/gd_gd-c.html LibGD website format info]
 
* [https://libgd.github.io/manuals/2.3.0/files/gd_gd-c.html LibGD website format info]

Latest revision as of 18:24, 28 December 2023

File Format
Name GD image format
Ontology
Extension(s) .gd
Released ~1994

GD image format is a raster graphics file format associated with the GD graphics library (a.k.a. LibGD), originally developed by Thomas Boutell.

The GD image format is a special purpose format that can be read very quickly. It is not GD's preferred format -- standard formats like GIF and PNG are preferred.

There are several versions of GD format.

See also GD2 image format.

Contents

[edit] Identification

GD 1.x: There's no easy way to identify this format version.

GD 2.x palette color: Starts with bytes 0xff 0xff, and has 0x00 at offset 6.

GD 2.x truecolor: Starts with bytes 0xff 0xff (v2.0.0-2.0.11) or 0xff 0xfe (v2.0.12+), and has 0x01 at offset 6.

[edit] Specifications

  • Refer to the source code comments in modern versions of the gd_gd.c file.

[edit] Software

[edit] Sample files

[edit] Links

Personal tools
Namespaces

Variants
Actions
Navigation
Toolbox

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