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