The libart library

The libart library

Mathieu Lacage

mathieu@gnu.org

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with the Invariant Sections being with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

Table of Contents

What is Libart ?

Introduction

File names

LibArt's overall architecture

Using libart
From vector data to pixel buffers

Sample code

A non-displaying application
A displaying application

Basic APIs

Miscealeanous useful APIs

Memory Management -- Memory Management API for libart users.
Affine transformation matrices -- Instantiate and manipulate Affine transforms.
Art Alpha Gamma Stuff -- Gamma-correct your image data.

Construction APIs

Core Construction APIs -- Core construction API.
Extended Construction APIs -- Extended Construction API
Transformation operations -- Transformations which can be applied to bpaths or vpaths.

Rendering APIs

SVPs -- Manipulating SVPs
Svp rendering -- How to actually render SVPs into pixel buffers.

Known problems

Numerical Stability
Memory Footprint

Libart Internals

Rasterizer

Winding Number Calculation.
How libart does this for true.

Intersector

GNU Free Documentation License

0. PREAMBLE
1. APPLICABILITY AND DEFINITIONS
2. VERBATIM COPYING
3. COPYING IN QUANTITY
4. MODIFICATIONS
5. COMBINING DOCUMENTS
6. COLLECTIONS OF DOCUMENTS
7. AGGREGATION WITH INDEPENDENT WORKS
8. TRANSLATION
9. TERMINATION
10. FUTURE REVISIONS OF THIS LICENSE
Addendum

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