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Add explanation to _cairo_surface_create_in_error

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Patch by Homer Hsing

Bugzilla:  https://bugs.freedesktop.org/show_bug.cgi?id=50413
This commit is contained in:
Bryce Harrington 2014-02-26 18:42:41 -08:00
parent be206ddf20
commit e555dfc717
1 changed files with 10 additions and 0 deletions
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10
src/cairo-surface.c
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@ -2615,6 +2615,16 @@ _cairo_surface_set_resolution (cairo_surface_t *surface,
surface->y_resolution = y_res;
}
/**
* _cairo_surface_create_in_error:
* @status: the error status
*
* Return an appropriate static error surface for the error status.
* On error, surface creation functions should always return a surface
* created with _cairo_surface_create_in_error() instead of a new surface
* in an error state. This simplifies internal code as no refcounting has
* to be done.
**/
cairo_surface_t *
_cairo_surface_create_in_error (cairo_status_t status)
{