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/*============================================================================
BMPGraphing, a library for graphing.
Copyright (C) 2005-2014 by Zack T Smith.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
The author may be reached at veritas@comcast.net.
*===========================================================================*/
#ifndef _SUPERSIMPLEGRAPHING_H
#define _SUPERSIMPLEGRAPHING_H
#include <stdbool.h>
#define SSG_RELEASE "0.2"
#define XVALUE_MIN (15)
#define XVALUE_MAX (28)
enum {
DATUM_X=0,
DATUM_Y=1,
DATUM_COLOR=2,
};
typedef long Coordinate;
typedef long long Value;
enum {
MODE_X_AXIS_LINEAR = 0,
MODE_X_AXIS_LOG2 = 1,
};
//---------------
// Graphing data.
//
typedef struct {
BMP *image;
char *title;
unsigned char x_axis_mode;
Coordinate width;
Coordinate height;
Coordinate left_margin;
Coordinate margin;
Coordinate last_x;
Coordinate last_y;
Coordinate x_span;
Coordinate y_span;
Coordinate legend_y;
RGB fg;
#define MAX_GRAPH_DATA 50000
Value data [MAX_GRAPH_DATA];
int data_index;
#define DASHED 0x1000000 // dashed line flag
Value max_y;
Value min_y;
Value min_x;
Value max_x;
} BMPGraph;
extern void BMPGraphing_set_title (BMPGraph*, const char *);
extern void BMPGraphing_draw_labels_log2 (BMPGraph*);
extern BMPGraph *BMPGraphing_new (int w, int h, int x_axis_mode);
extern void BMPGraphing_new_line (BMPGraph *, char *str, RGB color);
extern void BMPGraphing_add_point (BMPGraph *, Value x, Value y);
extern void BMPGraphing_plot_log2 (BMPGraph *, Value x, Value y);
extern void BMPGraphing_plot_linear (BMPGraph *, Value x, Value y, Value max_amt);
extern void BMPGraphing_make (BMPGraph*);
extern BMP *BMPGraphing_get_graph (BMPGraph*);
extern void BMPGraphing_destroy (BMPGraph*);
#endif
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