1 /* scherzo - Music notation training
3 * score - Utilities for drawing (simple) musical scores
5 * Copyright © 2010 Carl Worth
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see http://www.gnu.org/licenses/ .
27 typedef struct score score_t;
29 /* Allocate a new, empty score object, (with optional ctx as talloc
30 * owner). If ctx is NULL, the caller should call talloc_free on the
31 * score_t* when done with it. Otherwise, the object will be freed
32 * when ctx is freed. */
34 score_create (void *ctx);
36 /* Set an (approximate) staff height. The actual staff height may
37 * differ due to rounding to achieve evenly spaced, sharply rendered
38 * lines. the actual staff height is returned. */
40 score_set_staff_height (score_t *score, int height);
42 /* Set the total width available for drawing the score. */
44 score_set_width (score_t *score, int width);
46 /* Draw the given score_t onto the given cairo_t.
48 * The caller can call cairo_translate before calling score_draw to
49 * position the result as desired, (and can call cairo_clip to clip it
52 score_draw (score_t *score, cairo_t *cr);