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Add missing dmatrix_trace.h ([b36fba])
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154
backend/dmatrix_trace.h
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154
backend/dmatrix_trace.h
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/* dmatrix_trace.h - Trace routines for DM_COMPRESSION algorithm */
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/*
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libzint - the open source barcode library
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Copyright (C) 2021 Robin Stuart <rstuart114@gmail.com>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the project nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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*/
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/* vim: set ts=4 sw=4 et : */
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#ifndef Z_DMATRIX_TRACE_H
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#define Z_DMATRIX_TRACE_H
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#ifndef DM_TRACE
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#define DM_TRACE_Edges(px, s, l, p, v)
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#define DM_TRACE_AddEdge(s, l, es, p, v, e)
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#define DM_TRACE_NotAddEdge(s, l, es, p, v, ij, e)
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#else
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static int DM_TRACE_getPreviousMode(struct dm_edge *edges, struct dm_edge *edge) {
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struct dm_edge *previous = DM_PREVIOUS(edges, edge);
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return previous == NULL ? DM_ASCII : previous->endMode;
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}
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static void DM_TRACE_VertexToString(const unsigned char *source, const int length, const int position,
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struct dm_edge *edge) {
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if (position >= length) {
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printf("end mode %s", dm_smodes[edge->mode]);
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} else {
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printf("char '%c' at %d mode %s", source[position], position, dm_smodes[edge->mode]);
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}
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}
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static void DM_TRACE_EdgeToString(char *buf, const unsigned char *source, const int length, struct dm_edge *edges,
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struct dm_edge *edge) {
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int previousMode = DM_TRACE_getPreviousMode(edges, edge);
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(void)length;
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if (buf) {
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sprintf(buf, "%d_%s %s(%.*s) (%d) --> %d_%s",
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edge->from, dm_smodes[previousMode], dm_smodes[edge->mode], edge->len, source + edge->from, edge->size,
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edge->from + edge->len, dm_smodes[edge->mode]);
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} else {
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printf("%d_%s %s(%.*s) (%d) --> %d_%s",
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edge->from, dm_smodes[previousMode], dm_smodes[edge->mode], edge->len, source + edge->from, edge->size,
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edge->from + edge->len, dm_smodes[edge->mode]);
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}
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}
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static void DM_TRACE_Path(const unsigned char *source, const int length, struct dm_edge *edges,
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struct dm_edge *edge, char *result, const int result_size) {
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DM_TRACE_EdgeToString(result, source, length, edges, edge);
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struct dm_edge *current = DM_PREVIOUS(edges, edge);
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while (current) {
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char s[256];
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char *pos;
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int len;
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DM_TRACE_EdgeToString(s, source, length, edges, current);
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pos = strrchr(s, ' ');
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assert(pos);
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len = strlen(result);
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if ((pos - s) + 1 + len + 1 >= result_size) {
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result[result_size - 4] = '\0';
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strcat(result, "...");
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break;
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}
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memmove(result + (pos - s) + 1, result, len + 1);
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memcpy(result, s, (pos - s) + 1);
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current = DM_PREVIOUS(edges, current);
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}
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puts(result);
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}
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static void DM_TRACE_Edges(const char *prefix, const unsigned char *source, const int length,
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struct dm_edge *edges, const int vertexIndex) {
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int i, j, e_i;
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char result[1024 * 2];
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if (vertexIndex) {
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printf(prefix, vertexIndex);
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} else {
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fputs(prefix, stdout);
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}
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for (i = vertexIndex; i <= length; i++) {
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e_i = i * DM_NUM_MODES;
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for (j = 0; j < DM_NUM_MODES; j++) {
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if (edges[e_i + j].mode) {
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fputs("DEBUG ", stdout);
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DM_TRACE_Path(source, length, edges, edges + e_i + j, result, (int) ARRAY_SIZE(result));
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}
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}
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}
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}
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static void DM_TRACE_AddEdge(const unsigned char *source, const int length, struct dm_edge *edges,
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struct dm_edge *previous, const int vertexIndex, struct dm_edge *edge) {
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if (previous == NULL) {
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fputs("DEBUG add ", stdout);
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DM_TRACE_EdgeToString(NULL, source, length, edges, edge);
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printf(" from %d to %d size %d\n", edge->from, vertexIndex, edge->size);
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} else {
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fputs("DEBUG add ", stdout);
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DM_TRACE_EdgeToString(NULL, source, length, edges, edge);
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fputs(" from ", stdout);
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DM_TRACE_VertexToString(source, length, previous->from, previous);
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fputs(" to ", stdout);
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DM_TRACE_VertexToString(source, length, vertexIndex, edge);
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printf(" size %d\n", edge->size);
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}
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}
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static void DM_TRACE_NotAddEdge(const unsigned char *source, const int length, struct dm_edge *edges,
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struct dm_edge *previous, const int vertexIndex, const int e_ij, struct dm_edge *edge) {
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if (previous == NULL) {
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fputs("DEBUG not add ", stdout);
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DM_TRACE_EdgeToString(NULL, source, length, edges, edge);
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printf(" from %d to %d size %d since ", edge->from, vertexIndex, edge->size);
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DM_TRACE_EdgeToString(NULL, source, length, edges, edges + e_ij);
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printf(" < size %d\n", edges[e_ij].size);
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} else {
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fputs("DEBUG not add ", stdout);
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DM_TRACE_EdgeToString(NULL, source, length, edges, edge);
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fputs(" from ", stdout);
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DM_TRACE_VertexToString(source, length, previous->from, previous);
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fputs(" to ", stdout);
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DM_TRACE_VertexToString(source, length, vertexIndex, edge);
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printf(" size %d since ", edge->size);
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DM_TRACE_EdgeToString(NULL, source, length, edges, edges + e_ij);
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printf(" < size %d\n", edges[e_ij].size);
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}
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}
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#endif /* DM_TRACE */
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#endif /* Z_DMATRIX_TRACE_H */
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