4 * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
5 * Copyright 1999 Bernardo Innocenti <bernie@develer.com>
6 * This file is part of DevLib - See devlib/README for information.
9 * \brief printf-family routines for text output
12 * \author Bernardo Innocenti <bernie@develer.com>
13 * \author Stefano Fedrigo <aleph@develer.com>
18 *#* Revision 1.7 2004/10/03 19:05:04 bernie
19 *#* text_widthf(), text_vwidthf(): New functions.
21 *#* Revision 1.6 2004/09/14 20:59:04 bernie
22 *#* text_xprintf(): Support all styles; Pixel-wise text centering.
24 *#* Revision 1.5 2004/08/25 14:12:09 rasky
25 *#* Aggiornato il comment block dei log RCS
27 *#* Revision 1.4 2004/08/05 18:46:44 bernie
28 *#* Documentation improvements.
30 *#* Revision 1.3 2004/08/03 15:57:18 aleph
31 *#* Add include to fix warning for vsprintf()
33 *#* Revision 1.2 2004/06/03 11:27:09 bernie
34 *#* Add dual-license information.
36 *#* Revision 1.1 2004/05/23 15:43:16 bernie
37 *#* Import mware modules.
39 *#* Revision 1.2 2004/03/26 18:50:50 bernie
40 *#* Move _PROGMEM stuff to compiler.h
42 *#* Revision 1.1 2004/03/19 16:52:28 bernie
43 *#* Move printf() like functions from text.c to text_format.c and add PROGMEM versions.
48 #include "formatwr.h" /* _formatted_write() */
51 #include <stdio.h> /* vsprintf() */
53 #include <string.h> /* strlen() */
56 * Render string \a str in Bitmap \a bm at current cursor position
58 * \note Text formatting functions are also available with an _P suffix
59 * accepting the source string from program memory. This feature
60 * is only available (and useful) on Harvard microprocessors such
65 int PGM_FUNC(text_puts)(const char * PGM_ATTR str, struct Bitmap *bm)
69 while ((c = PGM_READ_CHAR(str++)))
77 * vprintf()-like formatter to render text in a Bitmap.
79 * Perform vprintf()-like formatting on the \a fmt format string using the
80 * variable-argument list \a ap.
81 * Render the resulting string in Bitmap \a bm starting at the current
84 * \see text_puts() text_putchar() text_printf()
86 int PGM_FUNC(text_vprintf)(struct Bitmap *bm, const char * PGM_ATTR fmt, va_list ap)
88 return PGM_FUNC(_formatted_write)(fmt, (void (*)(char, void *))text_putchar, bm, ap);
92 * printf()-like formatter to render text in a Bitmap.
94 * Perform printf()-like formatting on the \a fmt format string.
95 * Render the resulting string in Bitmap \a bm starting at the
96 * current cursor position.
98 * \see text_puts() text_putchar() text_vprintf()
100 int PGM_FUNC(text_printf)(struct Bitmap *bm, const char * PGM_ATTR fmt, ...)
106 len = PGM_FUNC(text_vprintf)(bm, fmt, ap);
114 * Render the result of printf()-like formatting in a specified position
117 * \param bm Bitmap where to render the text
118 * \param row Starting row in character units (zero based)
119 * \param col Starting column in character units (zero based)
120 * \param style Formatting style to use. In addition to any STYLEF_
121 * flag, it can be TEXT_NORMAL, TEXT_FILL, TEXT_INVERT or
122 * TEXT_RIGHT, or a combination of these flags ORed together.
123 * \param fmt String possibly containing printf() formatting commands.
125 * \see text_puts() text_putchar() text_printf() text_vprintf()
126 * \see text_moveto() text_style()
128 int PGM_FUNC(text_xprintf)(struct Bitmap *bm,
129 uint8_t row, uint8_t col, uint16_t style, const char * PGM_ATTR fmt, ...)
132 uint8_t oldstyle = 0;
137 text_moveto(bm, row, col);
139 if (style & STYLEF_MASK)
140 oldstyle = text_style(style, STYLEF_MASK);
142 if (style & (TEXT_CENTER | TEXT_RIGHT))
144 uint8_t pad = bm->width - PGM_FUNC(text_vwidthf)(bm, fmt, ap);
146 if (style & TEXT_CENTER)
149 if (style & TEXT_FILL)
150 gfx_RectFillC(bm, 0, row * FONT_HEIGHT, pad, (row + 1) * FONT_HEIGHT,
151 (style & STYLEF_INVERT) ? 0xFF : 0x00);
153 text_setcoord(bm, pad, row * FONT_HEIGHT);
156 len = PGM_FUNC(text_vprintf)(bm, fmt, ap);
159 if (style & TEXT_FILL)
160 gfx_RectFillC(bm, bm->penX, row * FONT_HEIGHT, bm->width, (row + 1) * FONT_HEIGHT,
161 (style & STYLEF_INVERT) ? 0xFF : 0x00);
163 /* Restore old style */
164 if (style & STYLEF_MASK)
165 text_style(oldstyle, STYLEF_MASK);
172 * Return the width in pixels of a vprintf()-formatted string.
174 int PGM_FUNC(text_vwidthf)(UNUSED(struct Bitmap *, bm), const char * PGM_ATTR fmt, va_list ap)
176 return PGM_FUNC(vsprintf)(NULL, fmt, ap) * FONT_WIDTH;
181 * Return the width in pixels of a printf()-formatted string.
183 int PGM_FUNC(text_widthf)(struct Bitmap *bm, const char * PGM_ATTR fmt, ...)
189 width = PGM_FUNC(text_vwidthf)(bm, fmt, ap);