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}

green

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);

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

-  ⇤ ← Revision 3 as of 2010-07-15 22:05:20 → 
  Size: 1009
  Editor: SheenaSmith
  Comment: add content from old wiki
+   ← Revision 5 as of 2010-10-13 18:54:18 → ⇥
  Size: 1080
  Editor: SheenaSmith
  Comment: update content - pointers, structs
-Deletions are marked like this.
+Additions are marked like this.
 Line 17:
-||'''mem'''||^a pointer to the memory location^||
||'''size'''||^the size of the memory location^ ???||
+||'''mem'''||,,a pointer to ,,^the memory location^||
||'''size'''||^the size of the memory location^||

<<Color2(green,Is '''mem''' an exception to the 'pointer rule'?)>>
-Line 35:
+Line 37:
-* {i} NOTE: If the memory is not writable, use [[SDL_RWFromConstMem]]() instead.*
+*<<BR>>If the memory is not writable, use [[SDL_RWFromConstMem]]() instead.<<BR>>*