encounter
/
SDL
mirror of https://github.com/encounter/SDL.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Prevent conflicts when linking both SDL2 and SDL2_gfx

This commit is contained in:
Sam Lantinga 2013-10-20 21:34:38 -07:00
parent aa86e05d21
commit 4ca34ad4a4
3 changed files with 16 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/render/software/SDL_render_sw.c
View File

@ -609,8 +609,8 @@ SW_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
retval = SDL_BlitScaled(src, srcrect, surface_scaled, &tmp_rect);
if (!retval) {
_rotozoomSurfaceSizeTrig(tmp_rect.w, tmp_rect.h, -angle, &dstwidth, &dstheight, &cangle, &sangle);
surface_rotated = _rotateSurface(surface_scaled, -angle, dstwidth/2, dstheight/2, GetScaleQuality(), flip & SDL_FLIP_HORIZONTAL, flip & SDL_FLIP_VERTICAL, dstwidth, dstheight, cangle, sangle);
SDLgfx_rotozoomSurfaceSizeTrig(tmp_rect.w, tmp_rect.h, -angle, &dstwidth, &dstheight, &cangle, &sangle);
surface_rotated = SDLgfx_rotateSurface(surface_scaled, -angle, dstwidth/2, dstheight/2, GetScaleQuality(), flip & SDL_FLIP_HORIZONTAL, flip & SDL_FLIP_VERTICAL, dstwidth, dstheight, cangle, sangle);
if(surface_rotated) {
/* Find out where the new origin is by rotating the four final_rect points around the center and then taking the extremes */
abscenterx = final_rect.x + (int)center->x;

22
src/render/software/SDL_rotate.c
View File

@ -84,7 +84,8 @@ to a situation where the program can segfault.
/* !
\brief Returns colorkey info for a surface
*/
Uint32 _colorkey(SDL_Surface *src)
static Uint32
_colorkey(SDL_Surface *src)
{
Uint32 key = 0;
SDL_GetColorKey(src, &key);
@ -104,9 +105,10 @@ Uint32 _colorkey(SDL_Surface *src)
\param sangle The cosine of the angle
*/
void _rotozoomSurfaceSizeTrig(int width, int height, double angle,
int *dstwidth, int *dstheight,
double *cangle, double *sangle)
void
SDLgfx_rotozoomSurfaceSizeTrig(int width, int height, double angle,
int *dstwidth, int *dstheight,
double *cangle, double *sangle)
{
double x, y, cx, cy, sx, sy;
double radangle;
@ -153,7 +155,8 @@ Assumes dst surface was allocated with the correct dimensions.
\param flipy Flag indicating vertical mirroring should be applied.
\param smooth Flag indicating anti-aliasing should be used.
*/
void _transformSurfaceRGBA(SDL_Surface * src, SDL_Surface * dst, int cx, int cy, int isin, int icos, int flipx, int flipy, int smooth)
static void
_transformSurfaceRGBA(SDL_Surface * src, SDL_Surface * dst, int cx, int cy, int isin, int icos, int flipx, int flipy, int smooth)
{
int x, y, t1, t2, dx, dy, xd, yd, sdx, sdy, ax, ay, ex, ey, sw, sh;
tColorRGBA c00, c01, c10, c11, cswap;
@ -270,7 +273,8 @@ Assumes dst surface was allocated with the correct dimensions.
\param flipx Flag indicating horizontal mirroring should be applied.
\param flipy Flag indicating vertical mirroring should be applied.
*/
void transformSurfaceY(SDL_Surface * src, SDL_Surface * dst, int cx, int cy, int isin, int icos, int flipx, int flipy)
static void
transformSurfaceY(SDL_Surface * src, SDL_Surface * dst, int cx, int cy, int isin, int icos, int flipx, int flipy)
{
int x, y, dx, dy, xd, yd, sdx, sdy, ax, ay;
tColorY *pc, *sp;
@ -315,8 +319,6 @@ void transformSurfaceY(SDL_Surface * src, SDL_Surface * dst, int cx, int cy, int
}
/* !
\brief Rotates and zooms a surface with different horizontal and vertival scaling factors and optional anti-aliasing.
@ -340,7 +342,8 @@ or 32bit RGBA/ABGR it will be converted into a 32bit RGBA format on the fly.
*/
SDL_Surface *_rotateSurface(SDL_Surface * src, double angle, int centerx, int centery, int smooth, int flipx, int flipy, int dstwidth, int dstheight, double cangle, double sangle)
SDL_Surface *
SDLgfx_rotateSurface(SDL_Surface * src, double angle, int centerx, int centery, int smooth, int flipx, int flipy, int dstwidth, int dstheight, double cangle, double sangle)
{
SDL_Surface *rz_src;
SDL_Surface *rz_dst;
@ -496,4 +499,3 @@ SDL_Surface *_rotateSurface(SDL_Surface * src, double angle, int centerx, int ce
*/
return (rz_dst);
}

4
src/render/software/SDL_rotate.h
View File

@ -2,6 +2,6 @@
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#endif
extern SDL_Surface *_rotateSurface(SDL_Surface * src, double angle, int centerx, int centery, int smooth, int flipx, int flipy, int dstwidth, int dstheight, double cangle, double sangle);
extern void _rotozoomSurfaceSizeTrig(int width, int height, double angle, int *dstwidth, int *dstheight, double *cangle, double *sangle);
extern SDL_Surface *SDLgfx_rotateSurface(SDL_Surface * src, double angle, int centerx, int centery, int smooth, int flipx, int flipy, int dstwidth, int dstheight, double cangle, double sangle);
extern void SDLgfx_rotozoomSurfaceSizeTrig(int width, int height, double angle, int *dstwidth, int *dstheight, double *cangle, double *sangle);