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use SDL_LoadImage in mySDL_SaveSurface, mySDL_LoadSurface

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This commit is contained in:
Glenn Maynard
2003-12-04 21:17:51 +00:00
parent 51a4968659
commit a274e5c95c
1 changed files with 11 additions and 20 deletions
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stepmania/src/SDL_utils.cpp
+11 -20
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@@ -545,8 +545,8 @@ struct SurfaceHeader
/* Save and load SDL_Surfaces to disk. This avoids problems with bitmaps. */
bool mySDL_SaveSurface( SDL_Surface *img, CString file )
{
FILE *f = fopen(file.c_str(), "wb+");
if(f == NULL)
RageFile f;
if( !f.Open( file, RageFile::WRITE ) )
return false;
SurfaceHeader h;
@@ -570,37 +570,30 @@ bool mySDL_SaveSurface( SDL_Surface *img, CString file )
h.colorkey = 0;
}
fwrite(&h, sizeof(h), 1, f);
f.Write( &h, sizeof(h) );
if(h.bpp == 8)
fwrite(img->format->palette->colors, 256 * sizeof(SDL_Color), 1, f);
f.Write( img->format->palette->colors, 256 * sizeof(SDL_Color) );
fwrite(img->pixels, img->h * img->pitch, 1, f);
f.Write( img->pixels, img->h * img->pitch );
fclose(f);
return true;
}
SDL_Surface *mySDL_LoadSurface( CString file )
{
FILE *f = fopen(file.c_str(), "rb");
if(f == NULL)
return NULL;
RageFile f;
if( !f.Open( file ) )
return false;
SurfaceHeader h;
if( fread(&h, sizeof(h), 1, f) != 1 )
{
fclose(f);
if( f.Read( &h, sizeof(h) ) != sizeof(h) )
return NULL;
}
SDL_Color palette[256];
if(h.bpp == 8)
if( fread(palette, 256 * sizeof(SDL_Color), 1, f) != 1 )
{
fclose(f);
if( f.Read( palette, 256 * sizeof(SDL_Color) != 256 * sizeof(SDL_Color) ) )
return NULL;
}
/* Create the surface. */
SDL_Surface *img = SDL_CreateRGBSurface(
@@ -608,9 +601,8 @@ SDL_Surface *mySDL_LoadSurface( CString file )
h.Rmask, h.Gmask, h.Bmask, h.Amask);
ASSERT( h.pitch == img->pitch );
if( fread(img->pixels, h.height * h.pitch, 1, f) != 1 )
if( f.Read( img->pixels, h.height * h.pitch ) != h.height * h.pitch )
{
fclose(f);
SDL_FreeSurface( img );
return NULL;
}
@@ -623,7 +615,6 @@ SDL_Surface *mySDL_LoadSurface( CString file )
SDL_SetColorKey( img, SDL_SRCCOLORKEY, h.colorkey );
}
fclose(f);
return img;
}