3 files changed, 231 insertions, 0 deletions
diff --git a/thumbnailer/Makefile.am b/thumbnailer/Makefile.am
new file mode 100644
index 0000000..4501ba7
--- /dev/null
+++ b/thumbnailer/Makefile.am
@@ -0,0 +1,41 @@
+NULL =
+
+bin_PROGRAMS = eom-thumbnailer
+
+eom_thumbnailer_SOURCES = \
+	eom-thumbnailer.c	\
+	$(NULL)
+
+eom_thumbnailer_CPPFLAGS = \
+	-I$(top_srcdir)		\
+	-I$(top_builddir)	\
+	$(AM_CPPFLAGS)		\
+	$(NULL)
+
+eom_thumbnailer_CFLAGS = \
+	$(THUMBNAILER_CFLAGS)	\
+	$(DISABLE_DEPRECATED)	\
+	$(WARN_CFLAGS)		\
+	$(AM_CFLAGS)		\
+	$(NULL)
+
+eom_thumbnailer_LDFLAGS = \
+	$(AM_LDFLAGS)		\
+	-lm			\
+	$(THUMBNAILER_LIBS)	\
+	$(NULL)
+
+thumbnailerdir = $(datadir)/thumbnailers
+thumbnailer_DATA = eom-thumbnailer.thumbnailer
+%.thumbnailer: %.thumbnailer.in
+	$(AM_V_GEN) sed -e 's|@bindir[@]|$(bindir)|g' $< > $@
+
+EXTRA_DIST = \
+	eom-thumbnailer.thumbnailer.in \
+	$(NULL)
+
+CLEANFILES = \
+	$(thumbnailer_DATA)	\
+	$(NULL)
+
+-include $(top_srcdir)/git.mk
diff --git a/thumbnailer/eom-thumbnailer.c b/thumbnailer/eom-thumbnailer.c
new file mode 100644
index 0000000..dee7b82
--- /dev/null
+++ b/thumbnailer/eom-thumbnailer.c
@@ -0,0 +1,186 @@
+/* gcc eom-thumbnailer.c `pkg-config --cflags --libs glib-2.0 gio-2.0 MagickWand` -lm -o eom-thumbnailer */
+/*
+ * Copyright (C) 2020 MATE developers
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Authors: Robert Buj <[email protected]>
+ *
+ */
+
+#define _GNU_SOURCE
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+#include <glib.h>
+#include <gio/gio.h>
+
+#include <math.h>
+#include <stdlib.h>
+
+#ifdef HAVE_IMAGEMAGICK7
+#include <MagickWand/MagickWand.h>
+#endif
+#ifdef HAVE_IMAGEMAGICK6
+#include <wand/magick_wand.h>
+#endif
+
+static int output_size = 256;
+static gboolean g_fatal_warnings = FALSE;
+static char **filenames = NULL;
+
+static char *
+get_target_uri (GFile *file)
+{
+	GFileInfo *info;
+	char *target;
+
+	info = g_file_query_info (file, G_FILE_ATTRIBUTE_STANDARD_TARGET_URI, G_FILE_QUERY_INFO_NONE, NULL, NULL);
+	if (info == NULL)
+		return NULL;
+	target = g_strdup (g_file_info_get_attribute_string (info, G_FILE_ATTRIBUTE_STANDARD_TARGET_URI));
+	g_object_unref (info);
+
+	return target;
+}
+
+static char *
+get_target_path (GFile *input)
+{
+	if (g_file_has_uri_scheme (input, "trash") != FALSE ||
+	    g_file_has_uri_scheme (input, "recent") != FALSE) {
+		GFile *file;
+		char *input_uri;
+		char *input_path;
+
+		input_uri = get_target_uri (input);
+		file = g_file_new_for_uri (input_uri);
+		g_free (input_uri);
+		input_path = g_file_get_path (file);
+		g_object_unref (file);
+		return input_path;
+	}
+	return g_file_get_path (input);
+}
+
+static const GOptionEntry entries[] = {
+	{ "size", 's', 0, G_OPTION_ARG_INT, &output_size, "Size of the thumbnail in pixels", NULL },
+	{"g-fatal-warnings", '\0', 0, G_OPTION_ARG_NONE, &g_fatal_warnings, "Make all warnings fatal", NULL},
+	{ G_OPTION_REMAINING, '\0', 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL, "[INPUT FILE] [OUTPUT FILE]" },
+	{ 0, '\0', 0, G_OPTION_ARG_NONE, 0, 0, 0 }
+};
+
+int main (int argc, char **argv)
+{
+	MagickBooleanType status;
+	MagickWand *magick_wand;
+	char *input_filename;
+	GError *error = NULL;
+	GOptionContext *context;
+	GFile *input;
+	const char *output;
+	size_t width, height;
+
+	/* Options parsing */
+	context = g_option_context_new ("- thumbnail images");
+	g_option_context_add_main_entries (context, entries, NULL);
+
+	(void) g_option_context_parse (context, &argc, &argv, &error);
+	g_option_context_free (context);
+	if (error) {
+		g_warning ("Couldn't parse command-line options: %s", error->message);
+		g_error_free (error);
+		goto arguments_error;
+	}
+
+	/* Set fatal warnings if required */
+	if (g_fatal_warnings) {
+		GLogLevelFlags fatal_mask;
+
+		fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK);
+		fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL;
+		g_log_set_always_fatal (fatal_mask);
+	}
+
+	if (filenames == NULL || g_strv_length (filenames) != 2) {
+		g_print ("Expects an input and an output file\n");
+		goto arguments_error;
+	}
+
+	if (output_size < 1) {
+		g_warning ("Size cannot be smaller than 1 pixel");
+		goto arguments_error;
+	}
+
+	input = g_file_new_for_commandline_arg (filenames[0]);
+	input_filename = get_target_path (input);
+	g_object_unref (input);
+	if (input_filename == NULL) {
+		g_warning ("Could not get file path for %s", filenames[0]);
+		goto arguments_error;
+	}
+
+	output = filenames[1];
+
+	/* Read an image */
+	MagickWandGenesis ();
+	magick_wand = NewMagickWand ();
+	status = MagickReadImage (magick_wand, input_filename);
+	g_free (input_filename);
+	if (status == MagickFalse) {
+		g_warning ("Could not load input file %s", filenames[0]);
+		goto imagemagick_error;
+	}
+
+	/* Get the image's width and height */
+	width = MagickGetImageWidth (magick_wand);
+	height = MagickGetImageHeight (magick_wand);
+
+	/* Thumbnail */
+	if ((height > output_size) || (width > output_size)) {
+		double scale;
+		scale = (double) output_size / MAX (width, height);
+		MagickThumbnailImage (magick_wand,
+                                      (size_t) floor (width * scale + 0.5),
+                                      (size_t) floor (height * scale + 0.5));
+	}
+
+	/* Write the image then destroy it */
+	status = MagickWriteImages (magick_wand, output, MagickTrue);
+	if (status == MagickFalse) {
+		g_warning ("Could not save output file %s", output);
+		goto imagemagick_error;
+	}
+	g_strfreev (filenames);
+	if (magick_wand)
+		DestroyMagickWand (magick_wand);
+	MagickWandTerminus ();
+
+	return 0;
+
+arguments_error:
+	if (filenames)
+		g_strfreev (filenames);
+	return 1;
+
+imagemagick_error:
+	g_strfreev (filenames);
+	if (magick_wand)
+		DestroyMagickWand (magick_wand);
+	return 1;
+}
diff --git a/thumbnailer/eom-thumbnailer.thumbnailer.in b/thumbnailer/eom-thumbnailer.thumbnailer.in
new file mode 100644
index 0000000..1583b4f
--- /dev/null
+++ b/thumbnailer/eom-thumbnailer.thumbnailer.in
@@ -0,0 +1,4 @@
+[Thumbnailer Entry]
+TryExec=@bindir@/eom-thumbnailer
+Exec=@bindir@/eom-thumbnailer -s %s %u %o
+MimeType=image/webp;