You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.5 KiB
81 lines
2.5 KiB
// Copyright 2020 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include <stdint.h>
|
|
#include <gdk-pixbuf/gdk-pixbuf.h>
|
|
|
|
#define WIDTH 10
|
|
#define HEIGHT 20
|
|
#define ROWSTRIDE (WIDTH * 4)
|
|
|
|
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
|
|
if (!(size >= WIDTH * HEIGHT * 4)) {
|
|
return 0;
|
|
}
|
|
const gchar *profile;
|
|
GdkPixbuf *pixbuf, *tmp;
|
|
GBytes *bytes;
|
|
bytes = g_bytes_new_static(data, size);
|
|
pixbuf = g_object_new(GDK_TYPE_PIXBUF,
|
|
"width", WIDTH,
|
|
"height", HEIGHT,
|
|
"rowstride", ROWSTRIDE,
|
|
"bits-per-sample", 8,"n-channels", 3,
|
|
"has-alpha", FALSE,
|
|
"pixel-bytes", bytes,
|
|
NULL);
|
|
if (pixbuf == NULL) {
|
|
return 0;
|
|
}
|
|
gdk_pixbuf_scale(pixbuf, pixbuf,
|
|
0, 0,
|
|
gdk_pixbuf_get_width(pixbuf) / 4,
|
|
gdk_pixbuf_get_height(pixbuf) / 4,
|
|
0, 0, 0.5, 0.5,
|
|
GDK_INTERP_NEAREST);
|
|
unsigned int rot_amount = ((unsigned int) data[0]) % 4;
|
|
tmp = gdk_pixbuf_rotate_simple(pixbuf, rot_amount * 90);
|
|
tmp = gdk_pixbuf_flip(pixbuf, TRUE);
|
|
tmp = gdk_pixbuf_composite_color_simple(pixbuf,
|
|
gdk_pixbuf_get_width(pixbuf) / 4,
|
|
gdk_pixbuf_get_height(pixbuf) / 4,
|
|
GDK_INTERP_NEAREST,
|
|
128,
|
|
8,
|
|
G_MAXUINT32,
|
|
G_MAXUINT32/2);
|
|
|
|
char *buf = (char *) calloc(size + 1, sizeof(char));
|
|
memcpy(buf, data, size);
|
|
buf[size] = '\0';
|
|
|
|
gdk_pixbuf_set_option(pixbuf, buf, buf);
|
|
profile = gdk_pixbuf_get_option(pixbuf, buf);
|
|
tmp = gdk_pixbuf_new_from_data(gdk_pixbuf_get_pixels(pixbuf),
|
|
GDK_COLORSPACE_RGB,
|
|
FALSE,
|
|
gdk_pixbuf_get_bits_per_sample(pixbuf),
|
|
gdk_pixbuf_get_width(pixbuf),
|
|
gdk_pixbuf_get_height(pixbuf),
|
|
gdk_pixbuf_get_rowstride(pixbuf),
|
|
NULL,
|
|
NULL);
|
|
tmp = gdk_pixbuf_flip(tmp, TRUE);
|
|
|
|
free(buf);
|
|
g_object_unref(pixbuf);
|
|
g_object_unref(tmp);
|
|
return 0;
|
|
}
|