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- Added libraries from formats and libvitaboy
This commit is contained in:
Tony Bark 2024-04-28 05:33:13 -04:00
parent 66ce473514
commit 5efdb29315
101 changed files with 11711 additions and 10889 deletions
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50
library/formats/tga/read_tga.c Normal file
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/*
FileHandler - General-purpose file handling library for Niotso
read_tga.c - Copyright (c) 2012 Niotso Project <http://niotso.org/>
Author(s): Fatbag <X-Fi6@phppoll.org>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "read_tga.h"
#ifndef read_uint32
#define read_uint32(x) (unsigned)(((x)[0]<<(8*0)) | ((x)[1]<<(8*1)) | ((x)[2]<<(8*2)) | ((x)[3]<<(8*3)))
#define read_uint16(x) (unsigned)(((x)[0]<<(8*0)) | ((x)[1]<<(8*1)))
#endif
int tga_read_header(tgaheader_t * TGAHeader, const uint8_t * Buffer, size_t FileSize){
unsigned padding;
if(FileSize < ?) return 0;
TGAHeader->IDLength = read_uint8(Buffer);
TGAHeader->ColorMapType = read_uint8(Buffer+1);
TGAHeader->ImageType = read_uint8(Buffer+2);
/* Color map */
TGAHeader->FirstEntry = read_uint16(Buffer+3);
TGAHeader->ColorMapLength = read_uint16(Buffer+5);
TGAHeader->EntrySize = read_uint8(Buffer+7);
/* Image */
TGAHeader->XOrigin = read_uint16(Buffer+8);
TGAHeader->YOrigin = read_uint16(Buffer+10);
TGAHeader->Width = read_uint16(Buffer+12);
TGAHeader->Height = read_uint16(Buffer+14);
TGAHeader->ImageDepth = read_uint8(Buffer+16);
TGAHeader->Descriptor = read_uint8(Buffer+17);
return 1;
}