111 lines
3.9 KiB
C
111 lines
3.9 KiB
C
/****************************************************************************
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* apps/graphics/traveler/tools/libwld/wld_graphicfile.h
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/*************************************************************************
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* FILE: wld_graphicfile.h
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* DESCRIPTION:
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*************************************************************************/
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#ifndef __ASTGRAPHICFILE_H
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#define __ASTGRAPHICFILE_H
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/*************************************************************************
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* Included files
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*************************************************************************/
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#include "wld_color.h"
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/*************************************************************************
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* Compilation switches
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*************************************************************************/
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/*************************************************************************
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* Definitions
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*************************************************************************/
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/* MAGIC_LENGTH must be the length of the longest MAGIC string. */
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#define MAGIC_LENGTH 5
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#define GIF_MAGIC "GIF87"
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#define GIF89_MAGIC "GIF89"
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#define PPM_MAGIC "P6"
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/*************************************************************************
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* Public Type Definitions
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************************************************************************/
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enum graphic_file_format_e
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{
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formatGIF87,
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formatGIF89,
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formatPPM,
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formatPCX,
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formatUnknown
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};
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typedef enum graphic_file_format_e graphic_file_format_t;
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enum graphic_file_enum_e
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{
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gfTrueColor,
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gfPaletted
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};
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typedef enum graphic_file_enum_e graphic_file_enum_t;
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struct graphic_file_e
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{
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graphic_file_enum_t type;
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uint16_t height, width;
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int palette_entries;
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long transparent_entry;
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color_rgb_t *palette;
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uint8_t *bitmap;
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};
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typedef struct graphic_file_e graphic_file_t;
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/*************************************************************************
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* Public Function Prototypes
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*************************************************************************/
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graphic_file_t *wld_new_graphicfile(void);
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void wld_free_graphicfile(graphic_file_t *gFile);
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color_rgb_t wld_graphicfile_pixel(graphic_file_t *gFile,
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int x, int y);
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graphic_file_t *wld_readgraphic_file(char *filename);
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#endif /* __ASTGRAPHICFILE_H */
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