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added clarification for prototype cairo_read_func_len_t

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rahra 2018-08-21 09:44:56 +02:00
parent c9e40431e6
commit 2720912859
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src/cairo_jpg.h
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@ -19,6 +19,10 @@
* the user if cairo_image_surface_create_from_jpeg_stream() is used. Please
* note that this prototype is slightly different from cairo_read_func_t which
* is used by cairo_image_surface_create_from_png_stream().
* This new prototype is defined because the original prototype
* cairo_read_func_t does not allow to detect truncated reads. This issue was
* discussed on the cairographics mailinglist, see
* https://lists.cairographics.org/archives/cairo/2016-March/027298.html
* @param closure This parameter is directly passed through by
* cairo_image_surface_create_from_jpeg_stream().
* @param data Pointer to data buffer which will receive the data.