316 lines
6.2 KiB
C
316 lines
6.2 KiB
C
/*
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* crapulator.c
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <floatimg.h>
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#include "fonctions.h"
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#include "crapulator.h"
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#include "glitches.h"
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#include "sfx.h"
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/* -------------------------------------------------------------- */
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static int effect_3(FloatImg *image)
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{
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float value;
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int foo;
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value = fimg_get_maxvalue(image);
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fimg_mul_cste(image, -1.0);
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fimg_add_cste(image, value);
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foo = fimg_count_negativ(image);
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if (foo) {
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fimg_dump_to_file(image, "err.fimg", 0);
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fprintf(stderr, "%s negativ %d\n",
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__func__, foo);
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return -78;
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}
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return 0;
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}
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/* -------------------------------------------------------------- */
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static int insitu_ctr2x2(FloatImg *pimg)
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{
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FloatImg img;
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int retval;
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fimg_clone(pimg, &img, 0);
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retval = fimg_contour_2x2(pimg, &img, 0);
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if (retval) {
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fprintf(stderr, "%s : err contour %d\n",
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__func__, retval);
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exit(1);
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}
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fimg_copy_data(&img, pimg);
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fimg_destroy(&img);
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return 0;
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}
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/* -------------------------------------------------------------- */
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static int insitu_filtre3x3(FloatImg *pimg, int typef)
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{
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FloatImg img;
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int retval;
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FimgFilter3x3 *pfiltre;
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FimgFilter3x3 lowpass = {
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{
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1.0, 2.0, 1.0,
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2.0, 4.0, 2.0,
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1.0, 2.0, 1.0,
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},
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16.0, 0.0
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};
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FimgFilter3x3 hipass = {
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{
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-1.0, -1.0, -1.0,
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-1.0, 9.0, -1.0,
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-1.0, -1.0, -1.0,
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},
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1.0, 0.0
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};
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switch (typef) {
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case 0: pfiltre = &lowpass; break;
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case 1: pfiltre = &hipass; break;
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default:
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fprintf(stderr, "%s: bad filter number %d\n",
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__func__, typef);
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return -6;
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break;
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}
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fimg_clone(pimg, &img, 0);
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retval = fimg_filter_3x3(pimg, &img, pfiltre);
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if (retval) {
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fprintf(stderr, "%s error %d on filter\n", __func__, retval);
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exit(1);
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}
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fimg_killborders(&img); /* XXX WTF OMG */
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fimg_copy_data(&img, pimg);
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fimg_destroy(&img);
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return retval;
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}
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/* -------------------------------------------------------------- */
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/*
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* This is the main filter engine used both for input and
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* output processing. It can be called by the filterstack
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* processor.
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*/
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#define DEBUG_THIS_CRAP 0
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int crapulator(FloatImg *image, int idFx, float fval)
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{
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int retval;
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// FloatImg imgtmp;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %p %d %f )\n", __func__,
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image, idFx, fval);
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#endif
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retval = 0;
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#if DEBUG_THIS_CRAP
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static int count = 0;
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int flag_debug = 0;
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if (666==count) {
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flag_debug = 1;
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fprintf(stderr, "DEBUG PT 1 in %s:%d\n", __func__, __LINE__);
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fimg_save_as_png(image, "crap_before.png", 0);
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}
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#endif
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switch (idFx) {
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case CR_none: /* DO NOTHING */
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retval = 0; break;
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case CR_cos01:
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fimg_cos_01(image, image,
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fimg_get_maxvalue(image));
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break;
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case CR_cos010:
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fimg_cos_010(image, image,
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fimg_get_maxvalue(image));
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break;
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case CR_fx3:
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retval = effect_3(image);
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break;
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case CR_rnd48a:
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brotche_rand48_a(image, 0.20,
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fimg_get_maxvalue(image));
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break;
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case CR_rnd48b:
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brotche_rand48_b(image, 0.10,
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fimg_get_maxvalue(image)*0.8);
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break;
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case CR_killcola:
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retval = fimg_killcolors_a(image, 0.0);
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break;
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case CR_colmixa:
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retval = fimg_colors_mixer_a(image, 2.0);
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break;
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case CR_ctr2x2:
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retval = insitu_ctr2x2(image);
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break;
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case CR_classtrial:
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retval = fimg_classif_trial(image, image, 0.37, 0);
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break;
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case CR_binarize:
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retval = binarize(image, 0);
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break;
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case CR_trinarize:
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retval = trinarize(image, 0);
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break;
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case CR_liss2x2:
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retval = fimg_lissage_2x2(image);
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(void)fimg_killborders(image);
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break;
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case CR_liss3x3:
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/* smooth filter */
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retval = insitu_filtre3x3(image, 0);
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break;
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case CR_desaturate:
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retval = fimg_desaturate(image, image, 0);
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break;
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case CR_killlines:
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retval = kill_a_few_lines(image, fval,
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image->height/20);
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break;
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case CR_water:
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retval = bouger_les_pixels(image, 8);
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break;
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case CR_mirsplit:
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retval = mirror_split(image, 0);
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break;
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case CR_updown:
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retval = upside_down(image);
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break;
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case CR_hipass:
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/* hipass filter */
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retval = insitu_filtre3x3(image, 1);
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break;
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case CR_octotree:
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retval = octotree_classif(image, 0.500, 0);
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break;
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/* here are the glitches */
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case CR_bsombra: /* experiment ! */
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retval = des_bords_sombres_a(image, 160);
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break;
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case CR_vsglitch:
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/* please make this function more tweakable */
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retval = vertical_singlitch(image, 290+rand()%45,
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fval, 0.19, 0);
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break;
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case CR_rndblks:
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retval = random_blocks(image, 70);
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break;
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case CR_shiftln0:
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retval = multilines_shift_0(image, 11, 120);
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break;
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case CR_message:
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fprintf(stderr, "### message from pid %d, fv=%f ###\n",
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getpid(), fval);
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retval = 0;
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break;
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default :
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fprintf(stderr, "%s : effect #%d invalid\n",
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__func__, idFx);
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return -77;
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}
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#if DEBUG_THIS_CRAP
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if (flag_debug) {
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fprintf(stderr, "DEBUG PT 2 in %s:%d\n", __func__, __LINE__);
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fimg_save_as_png(image, "crap_after.png", 0);
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flag_debug = 0;
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}
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count++;
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#endif
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return retval;
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}
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/* -------------------------------------------------------------- */
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typedef struct {
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int id;
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char *name;
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int ipar;
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float fpar;
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int flags;
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} Crapulor;
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/* Warning: overengeniring inside */
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#include "crapstr.h" /* generated file ! */
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#define NBCRAP (sizeof(CrapL)/sizeof(Crapulor))
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void list_crapulors(char *texte)
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{
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int idx;
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#define OUT stdout
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fprintf(OUT, "______________. %s\n", texte);
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for (idx=0; CrapL[idx].id!=-1; idx++) {
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fprintf(OUT, " %-12s | %4d | %5d | %8.3f\n",
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CrapL[idx].name,
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CrapL[idx].id,
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CrapL[idx].ipar,
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CrapL[idx].fpar);
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}
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#undef OUT
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}
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/* -------------------------------------------------------------- */
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char * crap_name_from_number(int num)
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{
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int idx;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %d )\n", __func__, num);
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#endif
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for (idx=0; CrapL[idx].id!=-1; idx++) {
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if (num == CrapL[idx].id) {
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return CrapL[idx].name;
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}
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}
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return "???";
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}
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/* -------------------------------------------------------------- */
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int crap_number_from_name(char *name)
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{
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int idx, retval;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( '%s' )\n", __func__, name);
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#endif
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retval = -1; /* not found */
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for (idx=0; CrapL[idx].id!=-1; idx++) {
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if (0 == strcmp(CrapL[idx].name, name)) {
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// fprintf(stderr, "found '%s' -> %d\n", name,
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// CrapL[idx].id);
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retval = CrapL[idx].id;
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break;
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}
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}
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return retval; /* not found */
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}
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/* -------------------------------------------------------------- */
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