#pragma section-numbers off
#pragma disable-camelcase

= SDL_GetSurfaceAlphaMod =
Use this function to get the additional alpha value used in blit operations.

<<TableOfContents()>>

== Syntax ==
{{{#!highlight cpp
int SDL_GetSurfaceAlphaMod(SDL_Surface* surface,
                           Uint8*       alpha)
}}}

== Function Parameters ==
||'''surface'''||the [[SDL_Surface]] structure to query||
||'''alpha'''||a pointer filled in with the current alpha value||

== Return Value ==
Returns 0 on success or a negative error code on failure; call [[SDL_GetError]]() for more information.

== Code Examples ==
{{{#!highlight cpp
You can add your code example here
}}}

== Remarks ==
''You can add useful comments here''

== Related Functions ==
 .[[SDL_GetSurfaceColorMod]]
 .[[SDL_SetSurfaceAlphaMod]]

----
[[CategoryAPI]], [[CategorySurface]]