89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
/* colorsvg2png.c
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* Copyright (C) 2018 Jehan
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <glib/gprintf.h>
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#include <librsvg/rsvg.h>
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int
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main (int argc, char **argv)
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{
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GError *error = NULL;
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RsvgHandle *handle;
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cairo_surface_t *surface;
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cairo_t *cr;
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RsvgRectangle target_rect;
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gchar *input;
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gchar *output;
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gint dim;
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gint retval = 0;
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if (argc != 4)
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{
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g_fprintf (stderr, "Usage: colorsvg2png svg-image png-output size\n");
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return 1;
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}
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input = argv[1];
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output = argv[2];
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dim = (gint) g_ascii_strtoull (argv[3], NULL, 10);
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if (dim < 1)
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{
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g_fprintf (stderr, "Usage: invalid dimension %d\n", dim);
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return 1;
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}
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handle = rsvg_handle_new_from_file (input, &error);
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if (! handle)
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{
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g_fprintf (stderr,
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"Error: failed to load '%s' as SVG: %s\n",
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input, error->message);
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g_error_free (error);
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return 1;
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}
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surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, dim, dim);
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cr = cairo_create (surface);
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target_rect.x = target_rect.y = 0;
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target_rect.width = target_rect.height = dim;
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if (! rsvg_handle_render_document (handle, cr, &target_rect, NULL))
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{
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g_fprintf (stderr,
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"Error: failed to render '%s'\n",
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input);
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retval = 1;
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}
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if (retval == 0 &&
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cairo_surface_write_to_png (surface, output) != CAIRO_STATUS_SUCCESS)
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{
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g_fprintf (stderr,
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"Error: failed to write '%s'\n",
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output);
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retval = 1;
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}
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cairo_surface_destroy (surface);
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cairo_destroy (cr);
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g_object_unref (handle);
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return retval;
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}
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