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 1.1 2005/11/04 18:11:35 bernie
19 *#* Move graphics stuff from mware/ to gfx/.
21 *#* Revision 1.10 2005/11/04 16:20:02 bernie
22 *#* Fix reference to README.devlib in header.
24 *#* Revision 1.9 2004/12/31 17:47:45 bernie
25 *#* Rename UNUSED() to UNUSED_ARG().
27 *#* Revision 1.8 2004/11/16 21:16:56 bernie
28 *#* Update to new naming scheme in mware/gfx.c.
30 *#* Revision 1.7 2004/10/03 19:05:04 bernie
31 *#* text_widthf(), text_vwidthf(): New functions.
33 *#* Revision 1.6 2004/09/14 20:59:04 bernie
34 *#* text_xprintf(): Support all styles; Pixel-wise text centering.
36 *#* Revision 1.5 2004/08/25 14:12:09 rasky
37 *#* Aggiornato il comment block dei log RCS
39 *#* Revision 1.4 2004/08/05 18:46:44 bernie
40 *#* Documentation improvements.
42 *#* Revision 1.3 2004/08/03 15:57:18 aleph
43 *#* Add include to fix warning for vsprintf()
45 *#* Revision 1.2 2004/06/03 11:27:09 bernie
46 *#* Add dual-license information.
48 *#* Revision 1.1 2004/05/23 15:43:16 bernie
49 *#* Import mware modules.
51 *#* Revision 1.2 2004/03/26 18:50:50 bernie
52 *#* Move _PROGMEM stuff to compiler.h
54 *#* Revision 1.1 2004/03/19 16:52:28 bernie
55 *#* Move printf() like functions from text.c to text_format.c and add PROGMEM versions.
60 #include "formatwr.h" /* _formatted_write() */
63 #include <stdio.h> /* vsprintf() */
65 #include <string.h> /* strlen() */
68 * Render string \a str in Bitmap \a bm at current cursor position
70 * \note Text formatting functions are also available with an _P suffix
71 * accepting the source string from program memory. This feature
72 * is only available (and useful) on Harvard microprocessors such
77 int PGM_FUNC(text_puts)(const char * PGM_ATTR str, struct Bitmap *bm)
81 while ((c = PGM_READ_CHAR(str++)))
89 * vprintf()-like formatter to render text in a Bitmap.
91 * Perform vprintf()-like formatting on the \a fmt format string using the
92 * variable-argument list \a ap.
93 * Render the resulting string in Bitmap \a bm starting at the current
96 * \see text_puts() text_putchar() text_printf()
98 int PGM_FUNC(text_vprintf)(struct Bitmap *bm, const char * PGM_ATTR fmt, va_list ap)
100 return PGM_FUNC(_formatted_write)(fmt, (void (*)(char, void *))text_putchar, bm, ap);
104 * printf()-like formatter to render text in a Bitmap.
106 * Perform printf()-like formatting on the \a fmt format string.
107 * Render the resulting string in Bitmap \a bm starting at the
108 * current cursor position.
110 * \see text_puts() text_putchar() text_vprintf()
112 int PGM_FUNC(text_printf)(struct Bitmap *bm, const char * PGM_ATTR fmt, ...)
118 len = PGM_FUNC(text_vprintf)(bm, fmt, ap);
126 * Render the result of printf()-like formatting in a specified position
129 * \param bm Bitmap where to render the text
130 * \param row Starting row in character units (zero based)
131 * \param col Starting column in character units (zero based)
132 * \param style Formatting style to use. In addition to any STYLEF_
133 * flag, it can be TEXT_NORMAL, TEXT_FILL, TEXT_INVERT or
134 * TEXT_RIGHT, or a combination of these flags ORed together.
135 * \param fmt String possibly containing printf() formatting commands.
137 * \see text_puts() text_putchar() text_printf() text_vprintf()
138 * \see text_moveto() text_style()
140 int PGM_FUNC(text_xprintf)(struct Bitmap *bm,
141 uint8_t row, uint8_t col, uint16_t style, const char * PGM_ATTR fmt, ...)
144 uint8_t oldstyle = 0;
149 text_moveto(bm, row, col);
151 if (style & STYLEF_MASK)
152 oldstyle = text_style(style, STYLEF_MASK);
154 if (style & (TEXT_CENTER | TEXT_RIGHT))
156 uint8_t pad = bm->width - PGM_FUNC(text_vwidthf)(bm, fmt, ap);
158 if (style & TEXT_CENTER)
161 if (style & TEXT_FILL)
162 gfx_rectFillC(bm, 0, row * FONT_HEIGHT, pad, (row + 1) * FONT_HEIGHT,
163 (style & STYLEF_INVERT) ? 0xFF : 0x00);
165 text_setcoord(bm, pad, row * FONT_HEIGHT);
168 len = PGM_FUNC(text_vprintf)(bm, fmt, ap);
171 if (style & TEXT_FILL)
172 gfx_rectFillC(bm, bm->penX, row * FONT_HEIGHT, bm->width, (row + 1) * FONT_HEIGHT,
173 (style & STYLEF_INVERT) ? 0xFF : 0x00);
175 /* Restore old style */
176 if (style & STYLEF_MASK)
177 text_style(oldstyle, STYLEF_MASK);
184 * Return the width in pixels of a vprintf()-formatted string.
186 int PGM_FUNC(text_vwidthf)(
187 UNUSED_ARG(struct Bitmap *, bm),
188 const char * PGM_ATTR fmt,
191 return PGM_FUNC(vsprintf)(NULL, fmt, ap) * FONT_WIDTH;
196 * Return the width in pixels of a printf()-formatted string.
198 int PGM_FUNC(text_widthf)(struct Bitmap *bm, const char * PGM_ATTR fmt, ...)
204 width = PGM_FUNC(text_vwidthf)(bm, fmt, ap);