Glenn Maynard
120 lines
4.7 KiB
C++
120 lines
4.7 KiB
C++
/* Various small SDL tools. */
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#ifndef SM_SDL_UTILS
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#define SM_SDL_UTILS
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/* Hack to prevent X includes from messing with our namespace: */
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#define Font X11___Font
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#define Screen X11___Screen
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#include "SDL.h"
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#include "SDL_syswm.h" // for SDL_SysWMinfo
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#undef Font
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#undef Screen
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Uint32 mySDL_Swap24(Uint32 x);
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#if SDL_BYTEORDER == SDL_LIL_ENDIAN
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#define mySDL_SwapLE24(n) (n)
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#define mySDL_SwapBE24(n) (mySDL_Swap24(n))
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#else
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#define mySDL_SwapLE24(n) (mySDL_Swap24(n))
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#define mySDL_SwapBE24(n) (n)
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#endif
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Uint32 decodepixel(const Uint8 *p, int bpp);
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void encodepixel(Uint8 *p, int bpp, Uint32 pixel);
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void mySDL_GetRawRGBAV(Uint32 pixel, const SDL_Surface *src, Uint8 *v);
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void mySDL_GetRawRGBAV(const Uint8 *p, const SDL_Surface *src, Uint8 *v);
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void mySDL_GetRGBAV(Uint32 pixel, const SDL_Surface *src, Uint8 *v);
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void mySDL_GetRGBAV(const Uint8 *p, const SDL_Surface *src, Uint8 *v);
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Uint32 mySDL_SetRawRGBAV(const SDL_PixelFormat *fmt, const Uint8 *v);
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void mySDL_SetRawRGBAV(Uint8 *p, const SDL_Surface *src, const Uint8 *v);
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Uint32 mySDL_SetRGBAV(const SDL_PixelFormat *fmt, const Uint8 *v);
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void mySDL_SetRGBAV(Uint8 *p, const SDL_Surface *src, const Uint8 *v);
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void mySDL_GetBitsPerChannel(const SDL_PixelFormat *fmt, Uint32 bits[4]);
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void mySDL_SetPalette( SDL_Surface *dst, const SDL_Color *colors, int start, int cnt );
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void CopySDLSurface( SDL_Surface *src, SDL_Surface *dest );
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bool ConvertSDLSurface( SDL_Surface *src, SDL_Surface *&dst,
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int width, int height, int bpp,
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Uint32 R, Uint32 G, Uint32 B, Uint32 A );
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void ConvertSDLSurface(SDL_Surface *&image,
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int width, int height, int bpp,
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Uint32 R, Uint32 G, Uint32 B, Uint32 A);
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SDL_Surface *SDL_CreateRGBSurfaceSane
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(Uint32 flags, int width, int height, int depth,
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Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
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void FixHiddenAlpha(SDL_Surface *img);
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/* Check for an event; return true if one was waiting. */
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bool SDL_GetEvent(SDL_Event &event, int mask);
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/* Change the event state without dropping extra events. */
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Uint8 mySDL_EventState(Uint8 type, int state);
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void mySDL_GetAllEvents(vector<SDL_Event> &events);
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void mySDL_PushEvents(vector<SDL_Event> &events);
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/* The surface contains no transparent pixels and/or never uses its color
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* key, so it doesn't need any alpha bits at all. */
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#define TRAIT_NO_TRANSPARENCY 0x0001 /* 0alpha */
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/* The surface contains only transparent values of 0 or 1; no translucency.
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* It only needs one bit of alpha. */
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#define TRAIT_BOOL_TRANSPARENCY 0x0002 /* 1alpha */
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int FindSurfaceTraits(const SDL_Surface *img);
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void mySDL_WM_SetIcon( CString sIconFile );
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bool mySDL_SaveSurface( SDL_Surface *img, CString file );
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SDL_Surface *mySDL_LoadSurface( CString file );
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bool mySDL_MapRGBExact( SDL_PixelFormat *fmt, Uint8 R, Uint8 G, Uint8 B, Uint32 &color );
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void mySDL_BlitTransform( const SDL_Surface *src, SDL_Surface *dst,
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const float fCoords[8] /* TL, BR, BL, TR */ );
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void mySDL_BlitSurface(
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SDL_Surface *src, SDL_Surface *dst, int width, int height, bool ckey);
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SDL_Surface *mySDL_Palettize( SDL_Surface *src_surf, int GrayBits, int AlphaBits );
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void mySDL_FixupPalettedAlpha( SDL_Surface *img );
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void mySDL_AddColorKey( SDL_Surface *img, Uint32 color );
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void ApplyHotPinkColorKey( SDL_Surface *&img );
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class RageFile;
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void OpenRWops( SDL_RWops *rw, RageFile *f );
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void OpenRWops( SDL_RWops *rw, CString *sBuf );
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SDL_Surface *mySDL_MakeDummySurface( int height, int width );
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CString mySDL_GetError();
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#endif
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/*
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* (c) 2002-2004 Glenn Maynard
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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