cairo-image.sgml

按照官方的说法：Cairo is a vector graphics library with cross-device output support. 翻译过来

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Image Surfaces

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Rendering to memory buffers

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  <para>
    Image surfaces provide the ability to render to memory buffers
    either allocated by cairo or by the calling code.  The supported
    image formats are those defined in #cairo_format_t.
  </para>

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</para>

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<para>

</para>

@CAIRO_FORMAT_ARGB32: 
@CAIRO_FORMAT_RGB24: 
@CAIRO_FORMAT_A8: 
@CAIRO_FORMAT_A1: 
@CAIRO_FORMAT_RGB16_565: