diff options
Diffstat (limited to 'apps/graphics/traveler/include/trv_graphicfile.h')
-rw-r--r-- | apps/graphics/traveler/include/trv_graphicfile.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/apps/graphics/traveler/include/trv_graphicfile.h b/apps/graphics/traveler/include/trv_graphicfile.h new file mode 100644 index 000000000..fabec2162 --- /dev/null +++ b/apps/graphics/traveler/include/trv_graphicfile.h @@ -0,0 +1,100 @@ +/**************************************************************************** + * apps/graphics/traveler/include/trv_graphicfile.h + * + * Copyright (C) 2014 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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 __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_GRAPHICFILE_H +#define __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_GRAPHICFILE_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include "trv_types.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* MAGIC_LENGTH must be the length of the longest MAGIC string. */ + +#define MAGIC_LENGTH 5 +#define GIF_MAGIC "GIF87" +#define GIF89_MAGIC "GIF89" +#define PPM_MAGIC "P6" + +/**************************************************************************** + * Public Type Definitions + ****************************************************************************/ + +enum trv_graphicfile_format_e +{ + GRAPHICFILE_UNKNOWN = 0, + GRAPHICFILE_GIF87, + GRAPHICFILE_GIF89, + GRAPHICFILE_PPM, + GRAPHICFILE_PCX +}; + +enum trv_graphicfile_type_e +{ + GRAPHICFILE_TRUECOLOR = 0, + GRAPHICFILE_PALETTED +}; + +struct trv_graphicfile_s +{ + uint8_t type; /* See enum trv_graphicfile_type_e */ + uint16_t height; + uint16_t width; + int palette_entries; + long transparent_entry; + FAR struct trv_color_rgb_s *palette; + FAR uint8_t *bitmap; +}; + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +FAR struct trv_graphicfile_s *trv_graphicfile_new(void); +void trv_graphicfile_free(struct trv_graphicfile_s *gfile); +struct trv_color_rgb_s + trv_graphicfile_pixel(FAR struct trv_graphicfile_s *gfile, int x, int y); +struct trv_graphicfile_s *tvr_graphicfile_read(FAR char *filename); + +#endif /* __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_GRAPHICFILE_H */ |