83 lines
3.0 KiB
C
83 lines
3.0 KiB
C
/****************************************************************************
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* apps/graphics/traveler/tools/libwld/wld_pcxinit.c
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* This file contains the logic which initializes before loading a PCX file.
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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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#if MSWINDOWS
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/*************************************************************************
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* Included files
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*************************************************************************/
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# include <stdio.h>
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# include <malloc.h>
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# include "wld_mem.h"
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# include "wld_pcx.h"
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/*************************************************************************
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* Public Functions
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*************************************************************************/
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/*************************************************************************
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* Name: wld_pcx_init
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* Description:
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* This function allocates the buffer region needed to load a pcx file
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************************************************************************/
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uint8_t wld_pcx_init(pcxPicturePtr image, uint16_t height, uint16_t width,
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color_rgb_t * palette, uint8_t * buffer)
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{
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image->palette = palette;
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if (buffer)
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{
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image->buffer = buffer;
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}
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else
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{
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image->buffer = (uint8_t *) wld_malloc(height * width + 1);
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}
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if (!image->buffer)
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{
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return PCX_ALLOCATION_FAILURE;
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}
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else
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{
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return PCX_SUCCESS;
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}
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}
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#endif /* MSWINDOWS */
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