Mercurial > molko
annotate libmlk-core/core/image.c @ 243:71b3b7036de7
misc: lot of cleanups,
- prefix libraries with libmlk,
- move assets from source directories closes #2520,
- prefix header guards closes #2519
author | David Demelier <markand@malikania.fr> |
---|---|
date | Sat, 28 Nov 2020 22:37:30 +0100 |
parents | libcore/core/image.c@eb0a7ab71023 |
children | 196264679079 |
rev | line source |
---|---|
4
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
1 /* |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
2 * image.c -- basic image management |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
3 * |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
4 * Copyright (c) 2020 David Demelier <markand@malikania.fr> |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
5 * |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
6 * Permission to use, copy, modify, and/or distribute this software for any |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
7 * purpose with or without fee is hereby granted, provided that the above |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
8 * copyright notice and this permission notice appear in all copies. |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
9 * |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
17 */ |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
18 |
5
b5c649b6367b
core: implement sprites, closes #2440
David Demelier <markand@malikania.fr>
parents:
4
diff
changeset
|
19 #include <assert.h> |
4
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
20 #include <stdbool.h> |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
21 |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
22 #include <SDL_image.h> |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
23 |
169
eb0a7ab71023
misc: extreme cleanup, closes #2506
David Demelier <markand@malikania.fr>
parents:
121
diff
changeset
|
24 #include "error.h" |
111
f17890fe144b
image: can load a texture directly
David Demelier <markand@malikania.fr>
parents:
94
diff
changeset
|
25 #include "texture.h" |
f17890fe144b
image: can load a texture directly
David Demelier <markand@malikania.fr>
parents:
94
diff
changeset
|
26 #include "window.h" |
f17890fe144b
image: can load a texture directly
David Demelier <markand@malikania.fr>
parents:
94
diff
changeset
|
27 #include "window_p.h" |
4
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
28 |
112
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
29 static void |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
30 dimensions(struct texture *tex) |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
31 { |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
32 int w, h; |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
33 |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
34 if (SDL_QueryTexture(tex->handle, NULL, NULL, &w, &h) < 0) |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
35 tex->w = tex->h = 0; |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
36 else { |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
37 tex->w = w; |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
38 tex->h = h; |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
39 } |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
40 } |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
41 |
94
ed72843a7194
core: simplify font/texture interfaces
David Demelier <markand@malikania.fr>
parents:
59
diff
changeset
|
42 bool |
ed72843a7194
core: simplify font/texture interfaces
David Demelier <markand@malikania.fr>
parents:
59
diff
changeset
|
43 image_open(struct texture *tex, const char *path) |
4
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
44 { |
94
ed72843a7194
core: simplify font/texture interfaces
David Demelier <markand@malikania.fr>
parents:
59
diff
changeset
|
45 assert(tex); |
5
b5c649b6367b
core: implement sprites, closes #2440
David Demelier <markand@malikania.fr>
parents:
4
diff
changeset
|
46 assert(path); |
b5c649b6367b
core: implement sprites, closes #2440
David Demelier <markand@malikania.fr>
parents:
4
diff
changeset
|
47 |
111
f17890fe144b
image: can load a texture directly
David Demelier <markand@malikania.fr>
parents:
94
diff
changeset
|
48 if (!(tex->handle = IMG_LoadTexture(RENDERER(), path))) |
169
eb0a7ab71023
misc: extreme cleanup, closes #2506
David Demelier <markand@malikania.fr>
parents:
121
diff
changeset
|
49 return errorf("%s", SDL_GetError()); |
39
9d1421c09dfb
core: add more utilities to improve code simplicity
David Demelier <markand@malikania.fr>
parents:
21
diff
changeset
|
50 |
112
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
51 dimensions(tex); |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
52 |
111
f17890fe144b
image: can load a texture directly
David Demelier <markand@malikania.fr>
parents:
94
diff
changeset
|
53 return true; |
4
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
54 } |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
55 |
94
ed72843a7194
core: simplify font/texture interfaces
David Demelier <markand@malikania.fr>
parents:
59
diff
changeset
|
56 bool |
ed72843a7194
core: simplify font/texture interfaces
David Demelier <markand@malikania.fr>
parents:
59
diff
changeset
|
57 image_openmem(struct texture *tex, const void *buffer, size_t size) |
4
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
58 { |
5
b5c649b6367b
core: implement sprites, closes #2440
David Demelier <markand@malikania.fr>
parents:
4
diff
changeset
|
59 assert(buffer); |
b5c649b6367b
core: implement sprites, closes #2440
David Demelier <markand@malikania.fr>
parents:
4
diff
changeset
|
60 |
4
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
61 SDL_RWops *ops = SDL_RWFromConstMem(buffer, size); |
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
62 |
111
f17890fe144b
image: can load a texture directly
David Demelier <markand@malikania.fr>
parents:
94
diff
changeset
|
63 if (!ops || !(tex->handle = IMG_LoadTexture_RW(RENDERER(), ops, true))) |
169
eb0a7ab71023
misc: extreme cleanup, closes #2506
David Demelier <markand@malikania.fr>
parents:
121
diff
changeset
|
64 return errorf("%s", SDL_GetError()); |
4
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
65 |
112
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
66 dimensions(tex); |
40f22a8188d2
image: set dimensions
David Demelier <markand@malikania.fr>
parents:
111
diff
changeset
|
67 |
111
f17890fe144b
image: can load a texture directly
David Demelier <markand@malikania.fr>
parents:
94
diff
changeset
|
68 return true; |
4
cd58eabb7fb4
core: implement basic images, closes #2441
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
69 } |