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+/*
+ * gfx/text.h - FIG text object
+ *
+ * Written 2016 by Werner Almesberger
+ * Copyright 2016 by Werner Almesberger
+ *
+ * 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.
+ */
+
+
+#ifndef GFX_TEXT_H
+#define GFX_TEXT_H
+
+
+/* use constants of FIG text sub_type */
+
+enum text_align {
+ text_min = 0, // left or bottom
+ text_mid = 1, // center
+ text_max = 2, // right or top
+};
+
+enum text_style {
+ text_normal,
+ text_italic,
+};
+
+struct text {
+ const char *s;
+ int size;
+ int x, y;
+ int rot;
+ enum text_align hor;
+ enum text_align vert;
+};
+
+void text_init(struct text *txt);
+void text_free(struct text *txt);
+
+void text_set(struct text *txt, const char *s);
+void text_rot(struct text *txt, int deg);
+void text_flip_x(struct text *txt);
+enum text_align text_flip(enum text_align align);
+
+void text_fig(const struct text *txt, int color, unsigned layer);
+
+void text_rel(const struct text *txt, enum text_align xr, enum text_align yr,
+ int dx, int dy, int *res_x, int *res_y);
+void text_shift(struct text *txt, enum text_align xr, enum text_align yr,
+ int dx, int dy);
+int text_rel_x(const struct text *txt, enum text_align xr, enum text_align yr,
+ int dx, int dy);
+int text_rel_y(const struct text *txt, enum text_align xr, enum text_align yr,
+ int dx, int dy);
+
+#endif /* !GFX_TEXT_H */