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Make Bitmap.to_file work with overlarge bitmaps

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Struma 2021-08-09 10:42:47 -04:00 • committed by Roza
parent c7ee8804ad
commit 3c7d454dd6
1 changed files with 15 additions and 8 deletions
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23
src/display/bitmap.cpp
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@ -1315,14 +1315,19 @@ void Bitmap::saveToFile(const char *filename)
{
guardDisposed();
GUARD_MEGA;
SDL_Surface *surf;
SDL_Surface *surf = SDL_CreateRGBSurface(0, width(), height(),p->format->BitsPerPixel, p->format->Rmask,p->format->Gmask,p->format->Bmask,p->format->Amask);
if (!surf)
throw Exception(Exception::SDLError, "Failed to prepare bitmap for saving: %s", SDL_GetError());
getRaw(surf->pixels, surf->w * surf->h * 4);
if (p->surface || p->megaSurface) {
surf = (p->surface) ? p->surface : p->megaSurface;
}
else {
surf = SDL_CreateRGBSurface(0, width(), height(),p->format->BitsPerPixel, p->format->Rmask,p->format->Gmask,p->format->Bmask,p->format->Amask);
if (!surf)
throw Exception(Exception::SDLError, "Failed to prepare bitmap for saving: %s", SDL_GetError());
getRaw(surf->pixels, surf->w * surf->h * 4);
}
// Try and determine the intended image format from the filename extension
const char *period = strrchr(filename, '.');
@ -1356,7 +1361,9 @@ void Bitmap::saveToFile(const char *filename)
break;
}
SDL_FreeSurface(surf);
if (!p->surface && !p->megaSurface)
SDL_FreeSurface(surf);
if (rc) throw Exception(Exception::SDLError, "%s", SDL_GetError());
}