4 * This file is part of BeRTOS.
6 * Bertos is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
23 * this file and link it with other files to produce an executable, this
24 * file does not by itself cause the resulting executable to be covered by
25 * the GNU General Public License. This exception does not however
26 * invalidate any other reasons why the executable file might be covered by
27 * the GNU General Public License.
29 * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
30 * Copyright 1999, 2000, 2001, 2003 Bernie Innocenti <bernie@codewiz.org>
34 * \defgroup chart Chart graphical routines
37 * \brief Simple charts on top of mware/gfx routines (interface).
40 * - \c CONFIG_CHART_TYPE_X: type for the input dataset of X-coordinates
41 * - \c CONFIG_CHART_TYPE_Y: type for the input dataset of Y-coordinates
46 * bm = chart_init(0, ymax, N_POINTS_CURVE, ymin);
48 * chart_drawCurve(bm, curve_y, curve_points + 1);
49 * gfx_setViewRect(bm, xmin, ymax, xmax, ymin);
50 * chart_drawDots(bm, samples_x, samples_y, samples_cnt);
54 * \author Bernie Innocenti <bernie@codewiz.org>
60 #include "cfg/cfg_gfx.h" /* CONFIG_ stuff */
62 #include <gfx/gfx.h> /* vcoord_t */
65 * \name Width/height of the small ticks drawn over the axes
68 #define TICKS_HEIGHT 2
73 * \name Chart frame dimensions
76 #define CHART_BORDERTOP 0
77 #define CHART_BORDERBOTTOM 0
78 #define CHART_BORDERLEFT 0
79 #define CHART_BORDERRIGHT 0
82 #ifndef CONFIG_CHART_TYPE_X
83 #define CONFIG_CHART_TYPE_X vcoord_t
85 #ifndef CONFIG_CHART_TYPE_Y
86 #define CONFIG_CHART_TYPE_Y vcoord_t
90 typedef CONFIG_CHART_TYPE_X chart_x_t;
91 typedef CONFIG_CHART_TYPE_Y chart_y_t;
94 /* Public function protos */
95 void chart_init(Bitmap *bm, coord_t xmin, coord_t ymin, coord_t xmax, coord_t ymax);
96 void chart_setScale(Bitmap *bm, chart_x_t xmin, chart_y_t ymin, chart_x_t xmax, chart_y_t ymax);
97 void chart_drawAxis(Bitmap *bm);
98 void chart_drawCurve(Bitmap *bm, const chart_y_t *curve_y, int curve_cnt);
99 void chart_drawDots(Bitmap *bm, const chart_x_t *dots_x, const chart_y_t *dots_y, int cnt);
101 /** \} */ //defgroup charts
102 #endif /* GFX_CHARTS_H */