103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
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/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2004 Develer S.r.l. (http://www.develer.com/)
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* Copyright 1999, 2000, 2001, 2003 Bernie Innocenti <bernie@codewiz.org>
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*
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* -->
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*
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* \defgroup chart Chart graphical routines
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* \ingroup graphics
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* \{
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* \brief Simple charts on top of mware/gfx routines (interface).
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*
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* Configuration:
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* - \c CONFIG_CHART_TYPE_X: type for the input dataset of X-coordinates
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* - \c CONFIG_CHART_TYPE_Y: type for the input dataset of Y-coordinates
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*
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* Sample usage:
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*
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* \code
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* bm = chart_init(0, ymax, N_POINTS_CURVE, ymin);
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*
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* chart_drawCurve(bm, curve_y, curve_points + 1);
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* gfx_setViewRect(bm, xmin, ymax, xmax, ymin);
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* chart_drawDots(bm, samples_x, samples_y, samples_cnt);
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*
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* print_bitmap(bm);
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* \endcode
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* \author Bernie Innocenti <bernie@codewiz.org>
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*/
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#ifndef GFX_CHARTS_H
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#define GFX_CHARTS_H
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#include "cfg/cfg_gfx.h" /* CONFIG_ stuff */
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#include <gfx/gfx.h> /* vcoord_t */
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/**
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* \name Width/height of the small ticks drawn over the axes
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* \{
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*/
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#define TICKS_HEIGHT 2
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#define TICKS_WIDTH 2
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/*\}*/
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/**
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* \name Chart frame dimensions
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* \{
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*/
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#define CHART_BORDERTOP 0
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#define CHART_BORDERBOTTOM 0
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#define CHART_BORDERLEFT 0
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#define CHART_BORDERRIGHT 0
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/*\}*/
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#ifndef CONFIG_CHART_TYPE_X
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#define CONFIG_CHART_TYPE_X vcoord_t
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#endif
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#ifndef CONFIG_CHART_TYPE_Y
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#define CONFIG_CHART_TYPE_Y vcoord_t
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#endif
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typedef CONFIG_CHART_TYPE_X chart_x_t;
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typedef CONFIG_CHART_TYPE_Y chart_y_t;
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/* Public function protos */
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void chart_init(Bitmap *bm, coord_t xmin, coord_t ymin, coord_t xmax, coord_t ymax);
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void chart_setScale(Bitmap *bm, chart_x_t xmin, chart_y_t ymin, chart_x_t xmax, chart_y_t ymax);
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void chart_drawAxis(Bitmap *bm);
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void chart_drawCurve(Bitmap *bm, const chart_y_t *curve_y, int curve_cnt);
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void chart_drawDots(Bitmap *bm, const chart_x_t *dots_x, const chart_y_t *dots_y, int cnt);
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/** \} */ //defgroup charts
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#endif /* GFX_CHARTS_H */
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