Parola A to Z – Sprite Text Effects

sprite_ghostA recent feature of the Parola library is sprite based text effects. This extends the functionality of the library to include fully customisable, user defined, animated bitmaps to wipe text on and off the LED matrix display.

Here’s how it works.

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Parola A to Z – Mixing Text and Graphics

azparola_animationThe key function of the Parola library is to display text using different animations. From version 2.7 onwards, Parola allows user code to manage mixing graphics with the text. The extensions to the library and what they do is the subject of this article.

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Parola A to Z – Double Height Displays

parola_dh_single_doubleUsing the Parola library for double height displays is becoming increasingly popular with library users. Setting up the hardware and the library is not difficult, but it can cause problems if not done correctly. This article will explain the hardware and software setup considerations for trouble-free double height displays.

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Parola A to Z – Managing Animation

azparola_animationAs the main function of the Parola library is to enable text animations, it is important to understand how these are set up and managed to completion from user code.

From a user perspective, Parola animation consist of 3 parts – setting up, running and resetting the animation. The process is not complex and is illustrated in the numerous library examples. This article breaks these down and explains how the Parola class methods apply in each phase.

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Parola A to Z – Text Animation

azparola_animationThe key function of the Parola library is to display text using different animations. These animations are built around a core supporting framework and largely follow the same patterns. This article explores how Parola animations code is constructed so that advanced users of the library have enough information to be able to write (and contribute!) their own new animations.

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