mirror of
https://github.com/cnlohr/lolra.git
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cnlohr
82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
/*
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MIT License
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Copyright (c) 2024 Charles Lohr "CNLohr"
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <stdio.h>
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#define STB_IMAGE_IMPLEMENTATION
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#include "stb_image.h"
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#define IMAGEOPL 32
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int main( int argc, char ** argv )
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{
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if( argc != 2 )
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{
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fprintf( stderr, "Error: Need input image file\n" );
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return -9;
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}
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int w, h, n;
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unsigned char *data = stbi_load( argv[1], &w, &h, &n, 1 );
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if( !data )
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{
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fprintf( stderr, "Error: Failed to load image \"%s\"\n", argv[1] );
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}
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int i;
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printf( "#include <stdint.h>\n" );
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printf( "\n" );
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printf( "#define IMAGEOH %d\n", h );
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printf( "#define IMAGEOPL %d\n", IMAGEOPL );
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printf( "uint16_t imageout[IMAGEOH*IMAGEOPL] = {\n" );
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int x, y;
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int o;
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for( y = 0; y < h; y++ )
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{
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o = 0;
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for( x = 0; x < w; x++ )
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{
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uint8_t c = data[(x+y*w)];
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if( c > 128 )
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{
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if( o < IMAGEOPL )
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{
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printf( "%d, ", x ); o++;
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}
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else
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{
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fprintf( stderr, "Warning: overload on line %d\n", y );
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}
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}
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}
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for( ; o < IMAGEOPL; o++ )
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{
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printf( "0, " );
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}
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printf( "\n" );
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}
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printf( "};\n" );
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}
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