Mercurial > molko
view src/libmlk-core/core/image.c @ 320:8f9937403749
misc: improve loading of data
author | David Demelier <markand@malikania.fr> |
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date | Fri, 01 Oct 2021 20:30:00 +0200 |
parents | libmlk-core/core/image.c@d01e83210ca2 |
children | 64aff0afc8ac |
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/* * image.c -- basic image management * * Copyright (c) 2020-2021 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <assert.h> #include <SDL_image.h> #include "error.h" #include "texture.h" #include "window.h" #include "window_p.h" static void dimensions(struct texture *tex) { int w, h; if (SDL_QueryTexture(tex->handle, NULL, NULL, &w, &h) < 0) tex->w = tex->h = 0; else { tex->w = w; tex->h = h; } } int image_open(struct texture *tex, const char *path) { assert(tex); assert(path); if (!(tex->handle = IMG_LoadTexture(RENDERER(), path))) return errorf("%s", SDL_GetError()); dimensions(tex); return 0; } int image_openmem(struct texture *tex, const void *buffer, size_t size) { assert(buffer); SDL_RWops *ops = SDL_RWFromConstMem(buffer, size); if (!ops || !(tex->handle = IMG_LoadTexture_RW(RENDERER(), ops, 1))) return errorf("%s", SDL_GetError()); dimensions(tex); return 0; }