/************************************************************************* * Copyright (c) 2011 AT&T Intellectual Property * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * https://www.eclipse.org/legal/epl-v10.html * * Contributors: Details at https://graphviz.org *************************************************************************/ #include #include #include #include #include unsigned char *glCompLoadPng(cairo_surface_t **surface, const char *filename, int *imageWidth, int *imageHeight) { *surface = cairo_image_surface_create_from_png(filename); if (*surface == NULL || cairo_surface_status(*surface) != CAIRO_STATUS_SUCCESS) { return NULL; } *imageWidth = cairo_image_surface_get_width(*surface); *imageHeight = cairo_image_surface_get_height(*surface); return cairo_image_surface_get_data(*surface); }