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 1.8 2004/11/16 21:16:56 bernie
19 *#* Update to new naming scheme in mware/gfx.c.
21 *#* Revision 1.7 2004/10/03 19:05:04 bernie
22 *#* text_widthf(), text_vwidthf(): New functions.
24 *#* Revision 1.6 2004/09/14 20:59:04 bernie
25 *#* text_xprintf(): Support all styles; Pixel-wise text centering.
27 *#* Revision 1.5 2004/08/25 14:12:09 rasky
28 *#* Aggiornato il comment block dei log RCS
30 *#* Revision 1.4 2004/08/05 18:46:44 bernie
31 *#* Documentation improvements.
33 *#* Revision 1.3 2004/08/03 15:57:18 aleph
34 *#* Add include to fix warning for vsprintf()
36 *#* Revision 1.2 2004/06/03 11:27:09 bernie
37 *#* Add dual-license information.
39 *#* Revision 1.1 2004/05/23 15:43:16 bernie
40 *#* Import mware modules.
42 *#* Revision 1.2 2004/03/26 18:50:50 bernie
43 *#* Move _PROGMEM stuff to compiler.h
45 *#* Revision 1.1 2004/03/19 16:52:28 bernie
46 *#* Move printf() like functions from text.c to text_format.c and add PROGMEM versions.
51 #include "formatwr.h" /* _formatted_write() */
54 #include <stdio.h> /* vsprintf() */
56 #include <string.h> /* strlen() */
59 * Render string \a str in Bitmap \a bm at current cursor position
61 * \note Text formatting functions are also available with an _P suffix
62 * accepting the source string from program memory. This feature
63 * is only available (and useful) on Harvard microprocessors such
68 int PGM_FUNC(text_puts)(const char * PGM_ATTR str, struct Bitmap *bm)
72 while ((c = PGM_READ_CHAR(str++)))
80 * vprintf()-like formatter to render text in a Bitmap.
82 * Perform vprintf()-like formatting on the \a fmt format string using the
83 * variable-argument list \a ap.
84 * Render the resulting string in Bitmap \a bm starting at the current
87 * \see text_puts() text_putchar() text_printf()
89 int PGM_FUNC(text_vprintf)(struct Bitmap *bm, const char * PGM_ATTR fmt, va_list ap)
91 return PGM_FUNC(_formatted_write)(fmt, (void (*)(char, void *))text_putchar, bm, ap);
95 * printf()-like formatter to render text in a Bitmap.
97 * Perform printf()-like formatting on the \a fmt format string.
98 * Render the resulting string in Bitmap \a bm starting at the
99 * current cursor position.
101 * \see text_puts() text_putchar() text_vprintf()
103 int PGM_FUNC(text_printf)(struct Bitmap *bm, const char * PGM_ATTR fmt, ...)
109 len = PGM_FUNC(text_vprintf)(bm, fmt, ap);
117 * Render the result of printf()-like formatting in a specified position
120 * \param bm Bitmap where to render the text
121 * \param row Starting row in character units (zero based)
122 * \param col Starting column in character units (zero based)
123 * \param style Formatting style to use. In addition to any STYLEF_
124 * flag, it can be TEXT_NORMAL, TEXT_FILL, TEXT_INVERT or
125 * TEXT_RIGHT, or a combination of these flags ORed together.
126 * \param fmt String possibly containing printf() formatting commands.
128 * \see text_puts() text_putchar() text_printf() text_vprintf()
129 * \see text_moveto() text_style()
131 int PGM_FUNC(text_xprintf)(struct Bitmap *bm,
132 uint8_t row, uint8_t col, uint16_t style, const char * PGM_ATTR fmt, ...)
135 uint8_t oldstyle = 0;
140 text_moveto(bm, row, col);
142 if (style & STYLEF_MASK)
143 oldstyle = text_style(style, STYLEF_MASK);
145 if (style & (TEXT_CENTER | TEXT_RIGHT))
147 uint8_t pad = bm->width - PGM_FUNC(text_vwidthf)(bm, fmt, ap);
149 if (style & TEXT_CENTER)
152 if (style & TEXT_FILL)
153 gfx_rectFillC(bm, 0, row * FONT_HEIGHT, pad, (row + 1) * FONT_HEIGHT,
154 (style & STYLEF_INVERT) ? 0xFF : 0x00);
156 text_setcoord(bm, pad, row * FONT_HEIGHT);
159 len = PGM_FUNC(text_vprintf)(bm, fmt, ap);
162 if (style & TEXT_FILL)
163 gfx_rectFillC(bm, bm->penX, row * FONT_HEIGHT, bm->width, (row + 1) * FONT_HEIGHT,
164 (style & STYLEF_INVERT) ? 0xFF : 0x00);
166 /* Restore old style */
167 if (style & STYLEF_MASK)
168 text_style(oldstyle, STYLEF_MASK);
175 * Return the width in pixels of a vprintf()-formatted string.
177 int PGM_FUNC(text_vwidthf)(UNUSED(struct Bitmap *, bm), const char * PGM_ATTR fmt, va_list ap)
179 return PGM_FUNC(vsprintf)(NULL, fmt, ap) * FONT_WIDTH;
184 * Return the width in pixels of a printf()-formatted string.
186 int PGM_FUNC(text_widthf)(struct Bitmap *bm, const char * PGM_ATTR fmt, ...)
192 width = PGM_FUNC(text_vwidthf)(bm, fmt, ap);