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 README.devlib 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 1.10 2005/11/04 16:20:02 bernie
19 *#* Fix reference to README.devlib in header.
21 *#* Revision 1.9 2004/12/31 17:47:45 bernie
22 *#* Rename UNUSED() to UNUSED_ARG().
24 *#* Revision 1.8 2004/11/16 21:16:56 bernie
25 *#* Update to new naming scheme in mware/gfx.c.
27 *#* Revision 1.7 2004/10/03 19:05:04 bernie
28 *#* text_widthf(), text_vwidthf(): New functions.
30 *#* Revision 1.6 2004/09/14 20:59:04 bernie
31 *#* text_xprintf(): Support all styles; Pixel-wise text centering.
33 *#* Revision 1.5 2004/08/25 14:12:09 rasky
34 *#* Aggiornato il comment block dei log RCS
36 *#* Revision 1.4 2004/08/05 18:46:44 bernie
37 *#* Documentation improvements.
39 *#* Revision 1.3 2004/08/03 15:57:18 aleph
40 *#* Add include to fix warning for vsprintf()
42 *#* Revision 1.2 2004/06/03 11:27:09 bernie
43 *#* Add dual-license information.
45 *#* Revision 1.1 2004/05/23 15:43:16 bernie
46 *#* Import mware modules.
48 *#* Revision 1.2 2004/03/26 18:50:50 bernie
49 *#* Move _PROGMEM stuff to compiler.h
51 *#* Revision 1.1 2004/03/19 16:52:28 bernie
52 *#* Move printf() like functions from text.c to text_format.c and add PROGMEM versions.
57 #include "formatwr.h" /* _formatted_write() */
60 #include <stdio.h> /* vsprintf() */
62 #include <string.h> /* strlen() */
65 * Render string \a str in Bitmap \a bm at current cursor position
67 * \note Text formatting functions are also available with an _P suffix
68 * accepting the source string from program memory. This feature
69 * is only available (and useful) on Harvard microprocessors such
74 int PGM_FUNC(text_puts)(const char * PGM_ATTR str, struct Bitmap *bm)
78 while ((c = PGM_READ_CHAR(str++)))
86 * vprintf()-like formatter to render text in a Bitmap.
88 * Perform vprintf()-like formatting on the \a fmt format string using the
89 * variable-argument list \a ap.
90 * Render the resulting string in Bitmap \a bm starting at the current
93 * \see text_puts() text_putchar() text_printf()
95 int PGM_FUNC(text_vprintf)(struct Bitmap *bm, const char * PGM_ATTR fmt, va_list ap)
97 return PGM_FUNC(_formatted_write)(fmt, (void (*)(char, void *))text_putchar, bm, ap);
101 * printf()-like formatter to render text in a Bitmap.
103 * Perform printf()-like formatting on the \a fmt format string.
104 * Render the resulting string in Bitmap \a bm starting at the
105 * current cursor position.
107 * \see text_puts() text_putchar() text_vprintf()
109 int PGM_FUNC(text_printf)(struct Bitmap *bm, const char * PGM_ATTR fmt, ...)
115 len = PGM_FUNC(text_vprintf)(bm, fmt, ap);
123 * Render the result of printf()-like formatting in a specified position
126 * \param bm Bitmap where to render the text
127 * \param row Starting row in character units (zero based)
128 * \param col Starting column in character units (zero based)
129 * \param style Formatting style to use. In addition to any STYLEF_
130 * flag, it can be TEXT_NORMAL, TEXT_FILL, TEXT_INVERT or
131 * TEXT_RIGHT, or a combination of these flags ORed together.
132 * \param fmt String possibly containing printf() formatting commands.
134 * \see text_puts() text_putchar() text_printf() text_vprintf()
135 * \see text_moveto() text_style()
137 int PGM_FUNC(text_xprintf)(struct Bitmap *bm,
138 uint8_t row, uint8_t col, uint16_t style, const char * PGM_ATTR fmt, ...)
141 uint8_t oldstyle = 0;
146 text_moveto(bm, row, col);
148 if (style & STYLEF_MASK)
149 oldstyle = text_style(style, STYLEF_MASK);
151 if (style & (TEXT_CENTER | TEXT_RIGHT))
153 uint8_t pad = bm->width - PGM_FUNC(text_vwidthf)(bm, fmt, ap);
155 if (style & TEXT_CENTER)
158 if (style & TEXT_FILL)
159 gfx_rectFillC(bm, 0, row * FONT_HEIGHT, pad, (row + 1) * FONT_HEIGHT,
160 (style & STYLEF_INVERT) ? 0xFF : 0x00);
162 text_setcoord(bm, pad, row * FONT_HEIGHT);
165 len = PGM_FUNC(text_vprintf)(bm, fmt, ap);
168 if (style & TEXT_FILL)
169 gfx_rectFillC(bm, bm->penX, row * FONT_HEIGHT, bm->width, (row + 1) * FONT_HEIGHT,
170 (style & STYLEF_INVERT) ? 0xFF : 0x00);
172 /* Restore old style */
173 if (style & STYLEF_MASK)
174 text_style(oldstyle, STYLEF_MASK);
181 * Return the width in pixels of a vprintf()-formatted string.
183 int PGM_FUNC(text_vwidthf)(
184 UNUSED_ARG(struct Bitmap *, bm),
185 const char * PGM_ATTR fmt,
188 return PGM_FUNC(vsprintf)(NULL, fmt, ap) * FONT_WIDTH;
193 * Return the width in pixels of a printf()-formatted string.
195 int PGM_FUNC(text_widthf)(struct Bitmap *bm, const char * PGM_ATTR fmt, ...)
201 width = PGM_FUNC(text_vwidthf)(bm, fmt, ap);