forked from tTh/FloatImg
111 lines
2.3 KiB
C
111 lines
2.3 KiB
C
/*
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* filterstack.c
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "../floatimg.h"
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#include "crapulator.h"
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#include "filterstack.h"
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#undef DEBUG_LEVEL
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#define DEBUG_LEVEL 1
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/* -------------------------------------------------------------- */
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static FilterSlot *stack_slots;
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static int nbre_filters, idx_slot;
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/* -------------------------------------------------------------- */
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int filterstack_init(int nbre)
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{
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FilterSlot *fsptr;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %d )\n", __func__, nbre);
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#endif
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if (NULL != stack_slots) {
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fprintf(stderr, "ERR stack_slots = %p\n",stack_slots);
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return -1;
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}
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fsptr = calloc(nbre, sizeof(FilterSlot));
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if (NULL == fsptr) {
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fprintf(stderr, "%s : no memory\n", __func__);
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exit(1);
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}
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stack_slots = fsptr;
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nbre_filters = nbre;
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idx_slot = 0;
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fprintf(stderr, "%s: stack at %p\n", __func__, stack_slots);
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return 0;
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}
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/* -------------------------------------------------------------- */
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int filterstack_add(int code, int ival, float fval)
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{
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %d %d %f )\n", __func__, code, ival, fval);
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#endif
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if (NULL==stack_slots) {
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fprintf(stderr, "%s: NULL statck !\n", __func__);
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exit(1);
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}
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if (idx_slot == nbre_filters) {
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fprintf(stderr, "%s: stack is full\n", __func__);
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return -1;
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}
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stack_slots[idx_slot].numero = code;
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stack_slots[idx_slot].ival = ival;
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stack_slots[idx_slot].fval = fval;
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idx_slot++;
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return 0;
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}
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/* -------------------------------------------------------------- */
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int filterstack_list(void)
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{
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int idx;
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fprintf(stderr, "stack at %p, size %d, current %d\n",
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stack_slots, nbre_filters, idx_slot);
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for (idx=0; idx<idx_slot; idx++) {
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fprintf(stderr, "%3d %3d %3d %f\n", idx,
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stack_slots[idx].numero,
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stack_slots[idx].ival,
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stack_slots[idx].fval);
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}
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return 0;
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}
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/* -------------------------------------------------------------- */
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int filterstack_run(FloatImg *target, int notused)
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{
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int idx, foo;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %p %d)\n", __func__, target, notused);
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#endif
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for (idx=0; idx<idx_slot; idx++) {
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fprintf(stderr, "%d : effect %2d on %p\n",
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idx, stack_slots[idx].numero, target);
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foo = crapulator(target, stack_slots[idx].numero, 0.0);
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if (foo) {
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fprintf(stderr, "crapulator error %d\n", foo);
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return foo;
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}
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}
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return 0;
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}
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/* -------------------------------------------------------------- */
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