Sdl_rotozoom bug

SDL Development
1

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I copy SDL_rotozoom.c and SDL_rotozoom.h from the SDL_gfx 2.0 sources and
add them to a Dev-C++ project.
When I try to compile it using gcc 3.2, i get a linking error complaining
about zoomSurfaceSize.

Solution: add the zoomSurfaceSize prototype on top of SDL_rotozoom.c:

#ifdef WIN32
#include <windows.h>
#endif

#include <stdlib.h>
#include <string.h>

#include “SDL_rotozoom.h”

#define MAX(a,b) (((a) > (b)) ? (a) : (b))
void zoomSurfaceSize(int width, int height, double zoomx, double zoomy, int
*dstwidth, int dstheight); / bugfix by CRVSADER/KY */

[] Guido Imperiale
[] CRV?ADER/KY
[] CVI.SCIENTIA.IMPERIVM

crusaderky at libero.it
http://crusaderky.da.ru

“Nam et ipsa scientia potestas est” (Knowledge is power)
– Sir Francis Bacon (1561-1626)
Meditationes Sacrae, de Haeresibus

“I worry about my child and the Internet all the time, even though she’s
too young to have logged on yet. Here’s what I worry about. I worry that 10
or 15 years from now, she will come to me and say ‘Daddy, where were you
when they took freedom of the press away from the Internet?’”
–Mike Godwin, Electronic Frontier Foundation

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2

I copy SDL_rotozoom.c and SDL_rotozoom.h from the SDL_gfx 2.0 sources and
add them to a Dev-C++ project.
When I try to compile it using gcc 3.2, i get a linking error complaining
about zoomSurfaceSize.

Solution: add the zoomSurfaceSize prototype on top of SDL_rotozoom.c:

#ifdef WIN32
#include <windows.h>
#endif

#include <stdlib.h>
#include <string.h>

#include “SDL_rotozoom.h”

#define MAX(a,b) (((a) > (b)) ? (a) : (b))
void zoomSurfaceSize(int width, int height, double zoomx, double zoomy,
int *dstwidth, int dstheight); / bugfix by CRVSADER/KY */

Sorry, this bugfix is erratic.
To fix the problem, you’ll have to #define this when compiling the program:

-DBUILD_DLL

That’s because it hasn’t been thought that one could not want the full
library, but just one module.

[] Guido Imperiale
[] CRV?ADER/KY
[] CVI.SCIENTIA.IMPERIVM

crusaderky at libero.it
http://crusaderky.da.ru

“Nam et ipsa scientia potestas est” (Knowledge is power)
– Sir Francis Bacon (1561-1626)
Meditationes Sacrae, de Haeresibus

“I worry about my child and the Internet all the time, even though she’s
too young to have logged on yet. Here’s what I worry about. I worry that 10
or 15 years from now, she will come to me and say ‘Daddy, where were you
when they took freedom of the press away from the Internet?’”
–Mike Godwin, Electronic Frontier Foundation