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/*
* Copyright © 2013 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
#ifndef CHART_H
#define CHART_H
struct chart {
const char *name;
int x, y, w, h;
int num_samples;
int current_sample;
int range_automatic;
enum chart_mode {
CHART_STROKE = 0,
CHART_FILL,
CHART_FILL_STROKE,
} mode;
enum chart_smooth {
CHART_LINE = 0,
CHART_CURVE,
} smooth;
float fill_rgb[4];
float stroke_rgb[4];
double stroke_width;
double range[2];
double *samples;
};
int chart_init(struct chart *chart, const char *name, int num_samples);
void chart_set_mode(struct chart *chart, enum chart_mode mode);
void chart_set_smooth(struct chart *chart, enum chart_smooth smooth);
void chart_set_fill_rgba(struct chart *chart, float red, float green, float blue, float alpha);
void chart_set_stroke_width(struct chart *chart, float width);
void chart_set_stroke_rgba(struct chart *chart, float red, float green, float blue, float alpha);
void chart_set_position(struct chart *chart, int x, int y);
void chart_set_size(struct chart *chart, int w, int h);
void chart_set_range(struct chart *chart, double min, double max);
void chart_add_sample(struct chart *chart, double value);
void chart_draw(struct chart *chart, cairo_t *cr);
void chart_fini(struct chart *chart);
void chart_get_range(struct chart *chart, double *range);
#endif /* CHART_H */
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