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/* -*- mode: c++; tab-width: 4; indent-tabs-mode: t; eval: (progn (c-set-style "stroustrup") (c-set-offset 'innamespace 0)); -*-
* vi:set ts=4 sts=4 sw=4 noet :
*
* Copyright 2010, 2011 wkhtmltopdf authors
*
* This file is part of wkhtmltopdf.
*
* wkhtmltopdf is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* wkhtmltopdf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with wkhtmltopdf. If not, see <http: *www.gnu.org/licenses/>.
*/
/* This is a simple example program showing how to use the wkhtmltopdf c bindings */
#include <stdbool.h>
#include <stdio.h>
#include <wkhtmltox/image.h>
/* Print out loading progress information */
void progress_changed(wkhtmltoimage_converter * c, int p) {
printf("%3d%%\r",p);
fflush(stdout);
}
/* Print loading phase information */
void phase_changed(wkhtmltoimage_converter * c) {
int phase = wkhtmltoimage_current_phase(c);
printf("%s\n", wkhtmltoimage_phase_description(c, phase));
}
/* Print a message to stderr when an error occurs */
void error(wkhtmltoimage_converter * c, const char * msg) {
fprintf(stderr, "Error: %s\n", msg);
}
/* Print a message to stderr when a warning is issued */
void warning(wkhtmltoimage_converter * c, const char * msg) {
fprintf(stderr, "Warning: %s\n", msg);
}
/* Main method convert image */
int main() {
wkhtmltoimage_global_settings * gs;
wkhtmltoimage_converter * c;
const unsigned char * data;
long len;
/* Init wkhtmltoimage in graphics less mode */
wkhtmltoimage_init(false);
/*
* Create a global settings object used to store options that are not
* related to input objects, note that control of this object is parsed to
* the converter later, which is then responsible for freeing it
*/
gs = wkhtmltoimage_create_global_settings();
/* We want to convert the qstring documentation page */
wkhtmltoimage_set_global_setting(gs, "in", "http://www.google.com/");
wkhtmltoimage_set_global_setting(gs, "fmt", "jpeg");
/* Create the actual converter object used to convert the pages */
c = wkhtmltoimage_create_converter(gs, NULL);
/* Call the progress_changed function when progress changes */
wkhtmltoimage_set_progress_changed_callback(c, progress_changed);
/* Call the phase _changed function when the phase changes */
wkhtmltoimage_set_phase_changed_callback(c, phase_changed);
/* Call the error function when an error occurs */
wkhtmltoimage_set_error_callback(c, error);
/* Call the warning function when a warning is issued */
wkhtmltoimage_set_warning_callback(c, warning);
/* Perform the actual conversion */
if (!wkhtmltoimage_convert(c))
fprintf(stderr, "Conversion failed!");
/* Output possible http error code encountered */
printf("httpErrorCode: %d\n", wkhtmltoimage_http_error_code(c));
len = wkhtmltoimage_get_output(c, &data);
printf("%ld len\n", len);
/* Destroy the converter object since we are done with it */
wkhtmltoimage_destroy_converter(c);
/* We will no longer be needing wkhtmltoimage funcionality */
wkhtmltoimage_deinit();
return 0;
}
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