SDL_RWFromMem

Use this function to create an SDL_RWops structure from memory of a certain size.

Contents

Syntax

SDL_RWops* SDL_RWFromMem(void* mem,
                         int   size)

mem	^{a pointer to the memory location}
size	^{the size of the memory location} ???

A pointer to the SDL_RWops structure that is created, or NULL on failure.

char bitmap[310000];
SDL_RWops *rw;

rw = SDL_RWFromMem(bitmap, sizeof(bitmap));
SDL_SaveBMP_RW(screen, rw, 0);

* NOTE: If the memory is not writable, use SDL_RWFromConstMem() instead.*

-  ⇤ ← Revision 1 as of 2010-06-07 01:25:43 → 
  Size: 914
  Editor: SheenaSmith
  Comment: create page, add content (Wed Mar 10 ver; changeset 4428)
+   ← Revision 3 as of 2010-07-15 22:05:20 → ⇥
  Size: 1009
  Editor: SheenaSmith
  Comment: add content from old wiki
-Deletions are marked like this.
+Additions are marked like this.
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-Use this function to create [[SDL_RWops]] structures from memory.
+Use this function to create an SDL_RWops structure from memory of a certain size.
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-||'''mem'''||^a pointer to the memory location containing the information to fill an [[SDL_RWops]] structure with^||
+||'''mem'''||^a pointer to the memory location^||
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-A pointer to the [[SDL_RWops]] structure that is created.
+A pointer to the SDL_RWops structure that is created, or NULL on failure.
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+*
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+Line 26:
-You can add your code example here
+char bitmap[310000];
SDL_RWops *rw;

rw = SDL_RWFromMem(bitmap, sizeof(bitmap));
SDL_SaveBMP_RW(screen, rw, 0);
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+Line 32:
+*
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+Line 35:
-''You can add useful comments here''
+* {i} NOTE: If the memory is not writable, use [[SDL_RWFromConstMem]]() instead.*
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