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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-12-03 20:53:23 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-12-03 20:53:23 +0000 |
commit | 371d1d6b10395cee6666d554b18f5df245df5c9f (patch) | |
tree | 5e38c0b1f6603129340bbd7f740bbc6f4ab96437 /nuttx/include | |
parent | 148215506db4a47326caf083d90ffed788583061 (diff) | |
download | px4-nuttx-371d1d6b10395cee6666d554b18f5df245df5c9f.tar.gz px4-nuttx-371d1d6b10395cee6666d554b18f5df245df5c9f.tar.bz2 px4-nuttx-371d1d6b10395cee6666d554b18f5df245df5c9f.zip |
Add support for bitmap fonts
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1408 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/include')
-rw-r--r-- | nuttx/include/nuttx/nxfonts.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/nuttx/include/nuttx/nxfonts.h b/nuttx/include/nuttx/nxfonts.h new file mode 100644 index 000000000..41605c334 --- /dev/null +++ b/nuttx/include/nuttx/nxfonts.h @@ -0,0 +1,106 @@ +/**************************************************************************** + * include/nuttx/nxfonts.h + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +#ifndef __INCLUDE_NUTTX_NXFONTS_H +#define __INCLUDE_NUTTX_NXFONTS_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <sys/types.h> + +/**************************************************************************** + * Pre-processor definitions + ****************************************************************************/ + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +struct nx_fontmetic_s +{ + uint32 stride : 2; /* Width of one font row in bytes */ + uint32 width : 6; /* Width of the font in bits */ + uint32 height : 6; /* Height of the font in rows */ + uint32 lxoffs : 6; /* Lower left-hand corner X-offset in pixels */ + uint32 yxoffs : 6; /* Lower left-hand corner y-offset in pixels */ + uint32 unused : 6; +}; + +struct nx_fontbitmap_s +{ + struct nx_fontmetic_s metric; /* Character metrics */ + FAR const ubyte *bitmap; /* Pointer to the character bitmap */ +}; + +struct nx_fontset_s +{ + uint32 ascent : 6; /* Pixels above base (max) */ + uint32 descent : 6; /* Pixels below base (max) */ + uint32 first : 8; /* First font code */ + uint32 nfonts : 8; /* number of fonts */ + uint32 unused : 4; + FAR const struct nx_fontbitmap_s *fonts; +}; + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +# define EXTERN extern "C" +extern "C" { +#else +# define EXTERN extern +#endif + +EXTERN struct nx_fontset_s g_7bitfonts; +#if CONFIG_NXFONTS_CHARBITS >= 8 +EXTERN struct nx_fontset_s g_8bitfonts; +#endif + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __INCLUDE_NUTTX_NXFONTS_H */ |