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1391ae08eb
This is supposed to be discrete jumps, so use straight lines to emphasis this nature. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
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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