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2019-09-11 HaO Document svg_plot vector= null crash has ticket number #164
Start Version release notes.
This commit is contained in:
Harald Oehlmann
parent
4dfc090416
commit
2fbbbeec12
8
README
8
README
@ -73,6 +73,14 @@ maxicode code set correction
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cmake flags for debugging and sanitize options
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unit tests for the changes, with a simple test suite based on qrencode/tests
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Version 2.6.6 (not jet released):
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New features:
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PDF row size may be set
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PDF numeric compaction
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Fixing bugs:
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Ticket 164: crash due to call of svg_plot withnull vector
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Crash on bullseye raster drawing
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qtzint: Micro-QR version option choice corrected (+1 missing).
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CONTACT US
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----------
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286
backend/svg.c
286
backend/svg.c
@ -1,143 +1,143 @@
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/* svg.c - Scalable Vector Graphics */
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/*
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libzint - the open source barcode library
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Copyright (C) 2009-2018 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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#include <locale.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <math.h>
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#ifdef _MSC_VER
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#include <malloc.h>
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#endif
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#include "common.h"
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int svg_plot(struct zint_symbol *symbol) {
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FILE *fsvg;
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int error_number = 0;
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const char *locale = NULL;
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float ax, ay, bx, by, cx, cy, dx, dy, ex, ey, fx, fy;
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float radius;
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struct zint_vector_rect *rect;
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struct zint_vector_hexagon *hex;
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struct zint_vector_circle *circle;
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struct zint_vector_string *string;
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/* Check for no created vector set */
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/* E-Mail Christian Schmitz 2019-09-10: reason unknown */
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if (symbol->vector == NULL) {
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return ZINT_ERROR_INVALID_DATA;
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}
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if (symbol->output_options & BARCODE_STDOUT) {
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fsvg = stdout;
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} else {
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fsvg = fopen(symbol->outfile, "w");
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}
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if (fsvg == NULL) {
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strcpy(symbol->errtxt, "660: Could not open output file");
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return ZINT_ERROR_FILE_ACCESS;
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}
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locale = setlocale(LC_ALL, "C");
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/* Start writing the header */
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fprintf(fsvg, "<?xml version=\"1.0\" standalone=\"no\"?>\n");
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fprintf(fsvg, "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n");
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fprintf(fsvg, " \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
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fprintf(fsvg, "<svg width=\"%d\" height=\"%d\" version=\"1.1\"\n", (int) ceil(symbol->vector->width), (int) ceil(symbol->vector->height));
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fprintf(fsvg, " xmlns=\"http://www.w3.org/2000/svg\">\n");
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fprintf(fsvg, " <desc>Zint Generated Symbol\n");
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fprintf(fsvg, " </desc>\n");
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fprintf(fsvg, "\n <g id=\"barcode\" fill=\"#%s\">\n", symbol->fgcolour);
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fprintf(fsvg, " <rect x=\"0\" y=\"0\" width=\"%d\" height=\"%d\" fill=\"#%s\" />\n", (int) ceil(symbol->vector->width), (int) ceil(symbol->vector->height), symbol->bgcolour);
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rect = symbol->vector->rectangles;
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while (rect) {
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", rect->x, rect->y, rect->width, rect->height);
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rect = rect->next;
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}
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hex = symbol->vector->hexagons;
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while (hex) {
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radius = hex->diameter / 2.0;
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ay = hex->y + (1.0 * radius);
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by = hex->y + (0.5 * radius);
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cy = hex->y - (0.5 * radius);
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dy = hex->y - (1.0 * radius);
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ey = hex->y - (0.5 * radius);
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fy = hex->y + (0.5 * radius);
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ax = hex->x;
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bx = hex->x + (0.86 * radius);
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cx = hex->x + (0.86 * radius);
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dx = hex->x;
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ex = hex->x - (0.86 * radius);
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fx = hex->x - (0.86 * radius);
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fprintf(fsvg, " <path d=\"M %.2f %.2f L %.2f %.2f L %.2f %.2f L %.2f %.2f L %.2f %.2f L %.2f %.2f Z\" />\n", ax, ay, bx, by, cx, cy, dx, dy, ex, ey, fx, fy);
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hex = hex->next;
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}
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circle = symbol->vector->circles;
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while (circle) {
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if (circle->colour) {
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fprintf(fsvg, " <circle cx=\"%.2f\" cy=\"%.2f\" r=\"%.2f\" fill=\"#%s\" />\n", circle->x, circle->y, circle->diameter / 2.0, symbol->bgcolour);
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} else {
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fprintf(fsvg, " <circle cx=\"%.2f\" cy=\"%.2f\" r=\"%.2f\" fill=\"#%s\" />\n", circle->x, circle->y, circle->diameter / 2.0, symbol->fgcolour);
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}
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circle = circle->next;
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}
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string = symbol->vector->strings;
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while (string) {
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fprintf(fsvg, " <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", string->x, string->y);
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fprintf(fsvg, " font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", string->fsize, symbol->fgcolour);
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fprintf(fsvg, " %s\n", string->text);
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fprintf(fsvg, " </text>\n");
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string = string->next;
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}
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fprintf(fsvg, " </g>\n");
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fprintf(fsvg, "</svg>\n");
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if (symbol->output_options & BARCODE_STDOUT) {
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fflush(fsvg);
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} else {
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fclose(fsvg);
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}
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if (locale)
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setlocale(LC_ALL, locale);
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return error_number;
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}
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/* svg.c - Scalable Vector Graphics */
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/*
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libzint - the open source barcode library
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Copyright (C) 2009-2018 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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#include <locale.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <math.h>
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#ifdef _MSC_VER
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#include <malloc.h>
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#endif
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#include "common.h"
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int svg_plot(struct zint_symbol *symbol) {
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FILE *fsvg;
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int error_number = 0;
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const char *locale = NULL;
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float ax, ay, bx, by, cx, cy, dx, dy, ex, ey, fx, fy;
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float radius;
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struct zint_vector_rect *rect;
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struct zint_vector_hexagon *hex;
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struct zint_vector_circle *circle;
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struct zint_vector_string *string;
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/* Check for no created vector set */
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/* E-Mail Christian Schmitz 2019-09-10: reason unknown Ticket #164*/
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if (symbol->vector == NULL) {
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return ZINT_ERROR_INVALID_DATA;
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}
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if (symbol->output_options & BARCODE_STDOUT) {
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fsvg = stdout;
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} else {
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fsvg = fopen(symbol->outfile, "w");
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}
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if (fsvg == NULL) {
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strcpy(symbol->errtxt, "660: Could not open output file");
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return ZINT_ERROR_FILE_ACCESS;
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}
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locale = setlocale(LC_ALL, "C");
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/* Start writing the header */
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fprintf(fsvg, "<?xml version=\"1.0\" standalone=\"no\"?>\n");
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fprintf(fsvg, "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n");
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fprintf(fsvg, " \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
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fprintf(fsvg, "<svg width=\"%d\" height=\"%d\" version=\"1.1\"\n", (int) ceil(symbol->vector->width), (int) ceil(symbol->vector->height));
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fprintf(fsvg, " xmlns=\"http://www.w3.org/2000/svg\">\n");
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fprintf(fsvg, " <desc>Zint Generated Symbol\n");
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fprintf(fsvg, " </desc>\n");
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fprintf(fsvg, "\n <g id=\"barcode\" fill=\"#%s\">\n", symbol->fgcolour);
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fprintf(fsvg, " <rect x=\"0\" y=\"0\" width=\"%d\" height=\"%d\" fill=\"#%s\" />\n", (int) ceil(symbol->vector->width), (int) ceil(symbol->vector->height), symbol->bgcolour);
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rect = symbol->vector->rectangles;
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while (rect) {
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", rect->x, rect->y, rect->width, rect->height);
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rect = rect->next;
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}
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hex = symbol->vector->hexagons;
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while (hex) {
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radius = hex->diameter / 2.0;
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ay = hex->y + (1.0 * radius);
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by = hex->y + (0.5 * radius);
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cy = hex->y - (0.5 * radius);
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dy = hex->y - (1.0 * radius);
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ey = hex->y - (0.5 * radius);
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fy = hex->y + (0.5 * radius);
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ax = hex->x;
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bx = hex->x + (0.86 * radius);
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cx = hex->x + (0.86 * radius);
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dx = hex->x;
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ex = hex->x - (0.86 * radius);
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fx = hex->x - (0.86 * radius);
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fprintf(fsvg, " <path d=\"M %.2f %.2f L %.2f %.2f L %.2f %.2f L %.2f %.2f L %.2f %.2f L %.2f %.2f Z\" />\n", ax, ay, bx, by, cx, cy, dx, dy, ex, ey, fx, fy);
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hex = hex->next;
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}
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circle = symbol->vector->circles;
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while (circle) {
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if (circle->colour) {
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fprintf(fsvg, " <circle cx=\"%.2f\" cy=\"%.2f\" r=\"%.2f\" fill=\"#%s\" />\n", circle->x, circle->y, circle->diameter / 2.0, symbol->bgcolour);
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} else {
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fprintf(fsvg, " <circle cx=\"%.2f\" cy=\"%.2f\" r=\"%.2f\" fill=\"#%s\" />\n", circle->x, circle->y, circle->diameter / 2.0, symbol->fgcolour);
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}
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circle = circle->next;
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}
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string = symbol->vector->strings;
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while (string) {
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fprintf(fsvg, " <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", string->x, string->y);
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fprintf(fsvg, " font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", string->fsize, symbol->fgcolour);
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fprintf(fsvg, " %s\n", string->text);
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fprintf(fsvg, " </text>\n");
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string = string->next;
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}
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fprintf(fsvg, " </g>\n");
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fprintf(fsvg, "</svg>\n");
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if (symbol->output_options & BARCODE_STDOUT) {
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fflush(fsvg);
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} else {
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fclose(fsvg);
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}
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if (locale)
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setlocale(LC_ALL, locale);
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return error_number;
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}
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