cairo-png.sgml

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

<!-- ##### SECTION Title ##### -->
PNG Support

<!-- ##### SECTION Short_Description ##### -->
Reading and writing PNG images

<!-- ##### SECTION Long_Description ##### -->
<para>

</para>

<!-- ##### SECTION See_Also ##### -->
<para>

</para>

<!-- ##### SECTION Stability_Level ##### -->


<!-- ##### USER_FUNCTION cairo_read_func_t ##### -->
<para>

</para>

@closure: 
@data: 
@length: 
@Returns: 


<!-- ##### USER_FUNCTION cairo_write_func_t ##### -->
<para>

</para>

@closure: 
@data: 
@length: 
@Returns: