59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <aalib.h>
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#include <jpeglib.h>
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#include <string.h>
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aa_context *context;
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struct jpeg_decompress_struct cinfo;
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struct jpeg_error_mgr jerr;
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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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fprintf(stderr, "usage: aa <file>\n");
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exit(1);
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}
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cinfo.err = jpeg_std_error(&jerr);
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jpeg_create_decompress(&cinfo);
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FILE *infile;
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if ((infile = fopen(argv[1], "rb")) == NULL) {
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fprintf(stderr, "can't open img.jpg\n");
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exit(2);
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}
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jpeg_stdio_src(&cinfo, infile);
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jpeg_read_header(&cinfo, TRUE);
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cinfo.scale_num = 1;
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cinfo.scale_denom = 8;
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jpeg_start_decompress(&cinfo);
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context = aa_init(&curses_d, &aa_defparams, NULL);
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if(context == NULL) {
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fprintf(stderr,"Cannot initialize AA-lib. Sorry\n");
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exit(1);
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}
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aa_defparams.height = aa_defparams.minheight = cinfo.output_height;
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aa_defparams.width = aa_defparams.minwidth = cinfo.output_width;
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JSAMPARRAY raw = malloc(sizeof(unsigned char*) * cinfo.output_height);
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printf("%dx%d, %d components\n", cinfo.output_width, cinfo.output_height, cinfo.output_components);
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for (int i = 0; i < cinfo.output_height; ++i)
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{
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raw[i] = malloc(cinfo.output_components * cinfo.output_width);
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jpeg_read_scanlines(&cinfo, &raw[i], 1);
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}
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jpeg_finish_decompress(&cinfo);
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jpeg_destroy_decompress(&cinfo);
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unsigned char* buf = aa_image(context);
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for (int i = 0; i < aa_imgheight(context); ++i) {
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for (int j = 0; j < aa_imgwidth(context); ++j) {
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buf[i*aa_imgwidth(context)+j] = raw[i][j*cinfo.output_components];
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}
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}
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//memcpy(buf, raw, aa_imgheight(context) * aa_imgwidth(context));
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aa_fastrender(context, 0, 0, aa_scrwidth(context), aa_scrheight(context));
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aa_flush(context);
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getchar();
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aa_close(context);
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fclose(infile);
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}
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