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 * \author Bernie Innocenti <bernie@codewiz.org>
36 * \brief Simple charts on top of mware/gfx routines (implementation).
44 #ifndef CONFIG_CHART_ARROWS
45 #define CONFIG_CHART_ARROWS 0
49 void chart_init(Bitmap *bm, coord_t xmin, coord_t ymin, coord_t xmax, coord_t ymax)
51 /* Clear the chart area */
52 gfx_rectClear(bm, xmin, ymin, xmax, ymax);
54 gfx_setClipRect(bm, xmin + CHART_BORDERLEFT, ymin + CHART_BORDERTOP,
55 xmax - CHART_BORDERRIGHT, ymax - CHART_BORDERBOTTOM);
61 void chart_setScale(Bitmap *bm, chart_x_t xmin, chart_y_t ymin, chart_x_t xmax, chart_y_t ymax)
63 gfx_setViewRect(bm, xmin, ymin, xmax, ymax);
70 void chart_drawAxis(Bitmap *bm)
72 #if CONFIG_CHART_ARROWS
75 gfx_moveTo(bm, bm->cr.xmin, bm->cr.ymin + 4);
76 gfx_lineTo(bm, bm->cr.xmin, bm->cr.ymax - 1);
77 gfx_lineTo(bm, bm->cr.xmax - 4 - 1, bm->cr.ymax - 1);
80 gfx_moveTo(bm, bm->cr.xmin - 2, bm->cr.ymin + 3);
81 gfx_lineTo(bm, bm->cr.xmin + 2, bm->cr.ymin + 3);
82 gfx_lineTo(bm, bm->cr.xmin, bm->cr.ymin);
83 gfx_lineTo(bm, bm->cr.xmin - 2, bm->cr.ymin + 3);
85 /* Draw right arrow */
86 gfx_moveTo(bm, bm->cr.xmax - 4, bm->cr.ymax - 3);
87 gfx_lineTo(bm, bm->cr.xmax - 4, bm->cr.ymax + 1);
88 gfx_lineTo(bm, bm->cr.xmax - 1, bm->cr.ymax - 1);
89 gfx_lineTo(bm, bm->cr.xmax - 4, bm->cr.ymax - 3);
91 #else /* CONFIG_CHART_ARROWS */
93 /* Draw a box around the chart */
94 gfx_rectDraw(bm, bm->cr.xmin, bm->cr.ymin, bm->cr.xmax, bm->cr.ymax);
96 #endif /* CONFIG_CHART_ARROWS */
98 //CHECK_WALL(wall_before_raster, WALL_SIZE);
99 //CHECK_WALL(wall_after_raster, WALL_SIZE);
104 * Draw a set of \a curve_cnt connected segments, whose Y coordinates
105 * are identified by the \a curve_y array and X-coordinates are
106 * are evenly spaced by one virtual unit.
108 void chart_drawCurve(Bitmap *bm, const chart_y_t *curve_y, int curve_cnt)
112 gfx_moveTo(bm, gfx_transformX(bm, 0), gfx_transformY(bm, curve_y[0]));
114 for (i = 1; i < curve_cnt; i++)
115 gfx_lineTo(bm, gfx_transformX(bm, i), gfx_transformY(bm, curve_y[i]));
117 //CHECK_WALL(wall_before_raster, WALL_SIZE);
118 //CHECK_WALL(wall_after_raster, WALL_SIZE);
123 * Disegna dei dot in corrispondenza delle coppie (dotsx[i];dotsy[i])
124 * Se dotsx e' NULL, i punti vengono disegnati ad intervalli regolari.
126 void chart_drawDots(Bitmap *bm, const chart_x_t *dots_x, const chart_y_t *dots_y, int cnt)
131 for (i = 0; i < cnt; i++)
134 x = gfx_transformX(bm, dots_x[i]);
136 x = gfx_transformX(bm, i);
138 y = gfx_transformY(bm, dots_y[i]);
140 /* Draw tick over the curve */
142 x - TICKS_WIDTH / 2, y - TICKS_HEIGHT / 2,
143 x + (TICKS_WIDTH + 1) / 2, y + (TICKS_HEIGHT + 1) / 2);
145 /* Draw vertical line from the curve to the X-axis */
146 //gfx_drawLine(bm, x, y, x, bm->cr.ymax - 1);
149 //CHECK_WALL(wall_before_raster, WALL_SIZE);
150 //CHECK_WALL(wall_after_raster, WALL_SIZE);