73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
#ifndef _HEXAGRAM_DIAL_H
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#define _HEXAGRAM_DIAL_H
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#include <hexagram/gauge.h>
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typedef enum {
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HEXAGRAM_DIAL_MAIN,
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HEXAGRAM_DIAL_BOTTOM
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} hexagram_dial_type;
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typedef struct _hexagram_dial {
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hexagram_gauge gauge;
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hexagram_dial_type type;
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double radius,
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min_angle,
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max_angle,
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min_value,
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max_value;
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double needle_min_radius,
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needle_max_radius;
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double mark_min_radius,
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mark_max_radius;
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double value;
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cairo_pattern_t *gradient;
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} hexagram_dial;
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int hexagram_dial_init(hexagram_dial *dial,
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hexagram_dial_type type,
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double x,
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double y,
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double radius,
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double min_angle,
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double max_angle,
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double min_value,
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double max_value);
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double hexagram_dial_angle(hexagram_dial *dial, double value);
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int hexagram_dial_draw_legend(hexagram_dial *dial,
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cairo_t *cr,
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double radius,
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double value,
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char *text);
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int hexagram_dial_draw_legend_offset(hexagram_dial *dial,
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cairo_t *cr,
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double radius,
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double value,
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char *text,
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double x_offset,
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double y_offset);
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int hexagram_dial_draw_mark(hexagram_dial *dial,
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cairo_t *cr,
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double min_radius,
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double max_radius,
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double value);
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int hexagram_dial_draw_needle(hexagram_dial *dial,
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cairo_t *cr,
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double min_radius,
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double max_radius,
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double value);
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int hexagram_dial_draw_bg(hexagram_dial *dial, cairo_t *cr);
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int hexagram_dial_draw_fg(hexagram_dial *dial, cairo_t *cr);
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#endif /* _HEXAGRAM_DIAL_H */
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