是一个开源的、高效的2D图形库,它的网站:http://www.antigrain.com/

AGG的功能与GDI+的功能非常类似,但提供了比GDI+更灵活的编程接口,其产生的图形的质量也非常高,而且它是跨平台的,其宣传可以在非常多的操作系统上运行。

功能:

  • Rendering of arbitrary polygons with Anti-Aliasing and Subpixel Accuracy.
  • Gradients and Gouraud Shading.
  • Fast filtered image affine transformations, including many interpolation filters (bilinear, bicubic, spline16, spline36, sinc, Blackman).
  • Strokes with different types of line joins and line caps.
  • Dashed line generator.
  • Markers, such as arrowheads/arrowtails.
  • Fast vectorial polygon clipping to a rectangle.
  • Low-level clipping to multiple rectangular regions.
  • Alpha-Masking.
  • A new, fast Anti-Alias line algorithm.
  • Using arbitrary images as line patterns.
  • Rendering in separate color channels.
  • Perspective and bilinear transformations of vector and image data.
  • Boolean polygon operations (and, or, xor, sub) based on Alan Murta’s
    General Polygon Clipper.

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