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Today, the editor will show you how to analyze the principle of AGG. The knowledge points in the article are introduced in great detail. Friends who feel helpful can browse the content of the article with the editor, hoping to help more friends who want to solve this problem to find the answer to the problem. Follow the editor to learn more about "how to analyze the principle of AGG".

1.1 feature Overview

AGG, full name: Anti-Grain Geometry, is an open source, efficient 2D graphics library. The function of AGG is very similar to that of GDI+, but it provides a more flexible programming interface than GDI+, the quality of the graphics it produces is very high, and it is cross-platform, and it is advertised to run on a large number of operating systems. The main functions are:

1. Support discoloration processing such as ALPHA and GAMMA, as well as user-defined discoloration processing

2. Support any 2D graphics transformation

3. Support SVG and PostScript description, which is suitable for online graphics generation.

4. Support high-quality graphics processing, anti-aliasing interpolation and other advanced functions

5. Support any way of discoloration of shame

6. Support all color formats

7. Support multiple processing of bitmaps

8. Support a variety of straight line processing, similar to GDI+

9. Support GPC, that is, a general polygon clipping method

Support a variety of font output, including the processing of Chinese characters

The above text is extracted from: http://www.open-open.com/lib/view/open1328671427780.html

1.2 Resource URL

Development email address: http://sourceforge.net/p/vector-agg/mailman/vector-agg-general/?viewmonth=200305

Official website: http://agg.sourceforge.net/antigrain.com/

1.3 version Information

1) updates have been stopped since 2006, and no community is maintaining the code

2) based on the official website, xx is no longer supported. Download various released versions are provided in the attachment.

AGG2.4 adopts BSD protocol, while AGG2.5 uses GPL protocol.

3) for commercial closed sources and free of charge, please use version 2.4 or earlier.

4) GPL protocol does not support commercial closed source.

1.4 Application Ca

1) matplotlib, the python development kit for rendering 2D images, encapsulates AGG as the underlying rendering engine.

1.5 other rendering libraries available for reference

1) skia

2) cario

3) amanithvg

4) gingkoVG

5) Picasso

6) shivavg

7) QT

8) OpenGL

9) GDI and GDI+

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