---
name: "expal"
section: "3alleg"
platform: "linux"
package: "liballegro-doc"
version: "2:4.2.2-2.2"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://carta.tech/man/expal"
---

# expal(3alleg)

Palette effects and color cycling. Allegro game programming library.

## NAME

expal - Palette effects and color cycling. Allegro game programming library.

## SYNOPSIS

**#include \<allegro.h\>**

**Example expal**

## DESCRIPTION

This program demonstrates how to manipulate the palette. It draws a set of concentric circles onto the screen and animates them by cycling the palette.

## SEE ALSO

[**END\_OF\_MAIN**(3alleg)](/man/END_OF_MAIN/3alleg.md), [**PALETTE**(3alleg)](/man/PALETTE/3alleg.md), [**RGB**(3alleg)](/man/RGB/3alleg.md), [**SCREEN\_H**(3alleg)](/man/SCREEN_H/3alleg.md), [**SCREEN\_W**(3alleg)](/man/SCREEN_W/3alleg.md), [**acquire\_screen**(3alleg)](/man/acquire_screen/3alleg.md), [**allegro\_error**(3alleg)](/man/allegro_error/3alleg.md), [**allegro\_init**(3alleg)](/man/allegro_init/3alleg.md), [**allegro\_message**(3alleg)](/man/allegro_message/3alleg.md), [**black\_palette**(3alleg)](/man/black_palette/3alleg.md), [**circlefill**(3alleg)](/man/circlefill/3alleg.md), [**install\_keyboard**(3alleg)](/man/install_keyboard/3alleg.md), [**install\_mouse**(3alleg)](/man/install_mouse/3alleg.md), [**keypressed**(3alleg)](/man/keypressed/3alleg.md), [**release\_screen**(3alleg)](/man/release_screen/3alleg.md), [**screen**(3alleg)](/man/screen/3alleg.md), [**set\_gfx\_mode**(3alleg)](/man/set_gfx_mode/3alleg.md), [**set\_palette**(3alleg)](/man/set_palette/3alleg.md), [**show\_mouse**(3alleg)](/man/show_mouse/3alleg.md)