* Pidgin is the legal property of its developers, whose names are too numerous * to list here. Please refer to the COPYRIGHT file distributed with this * 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 02111-1301 USA #include "pidgin/pidgingdkpixbuf.h" pidgin_gdk_pixbuf_new_from_image(PurpleImage *image, GError **error) { GdkPixbufLoader *loader = NULL; GdkPixbuf *pixbuf = NULL; gboolean success = FALSE; g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL); data = purple_image_get_contents(image); success = gdk_pixbuf_loader_write_bytes(loader, data, error); if(error != NULL && *error != NULL) { g_object_unref(G_OBJECT(loader)); if(gdk_pixbuf_loader_close(loader, error)) { pixbuf = gdk_pixbuf_loader_get_pixbuf(loader); pixbuf = g_object_ref(pixbuf); g_object_unref(G_OBJECT(loader)); void pidgin_gdk_pixbuf_make_round(GdkPixbuf *pixbuf) { gint width, height, rowstride; if (!gdk_pixbuf_get_has_alpha(pixbuf)) { width = gdk_pixbuf_get_width(pixbuf); height = gdk_pixbuf_get_height(pixbuf); rowstride = gdk_pixbuf_get_rowstride(pixbuf); pixels = gdk_pixbuf_get_pixels(pixbuf); if (width < 6 || height < 6) { /* The following code will conver the alpha of the pixel data in all * corners to look something like the following diagram. * 00 80 c0 FF FF c0 80 00 * 80 FF FF FF FF FF FF 80 * c0 FF FF FF FF FF FF c0 * FF FF FF FF FF FF FF FF * FF FF FF FF FF FF FF FF * c0 FF FF FF FF FF FF c0 * 80 FF FF FF FF FF FF 80 * 00 80 c0 FF FF c0 80 00 pixels[rowstride + 3] = 0x80; pixels[rowstride * 2 + 3] = 0xC0; pixels[width * 4 - 1] = 0; pixels[width * 4 - 5] = 0x80; pixels[width * 4 - 9] = 0xC0; pixels[rowstride + (width * 4) - 1] = 0x80; pixels[(2 * rowstride) + (width * 4) - 1] = 0xC0; pixels[(height - 1) * rowstride + 3] = 0; pixels[(height - 1) * rowstride + 7] = 0x80; pixels[(height - 1) * rowstride + 11] = 0xC0; pixels[(height - 2) * rowstride + 3] = 0x80; pixels[(height - 3) * rowstride + 3] = 0xC0; pixels[height * rowstride - 1] = 0; pixels[(height - 1) * rowstride - 1] = 0x80; pixels[(height - 2) * rowstride - 1] = 0xC0; pixels[height * rowstride - 5] = 0x80; pixels[height * rowstride - 9] = 0xC0; pidgin_gdk_pixbuf_is_opaque(GdkPixbuf *pixbuf) { gint height, rowstride, i; if (!gdk_pixbuf_get_has_alpha(pixbuf)) { height = gdk_pixbuf_get_height (pixbuf); rowstride = gdk_pixbuf_get_rowstride (pixbuf); pixels = gdk_pixbuf_get_pixels (pixbuf); for (i = 3; i < rowstride; i+=4) { /* check the left and right sides */ for (i = 1; i < height - 1; i++) { row = pixels + (i * rowstride); if (row[3] < 0xfe || row[rowstride - 1] < 0xfe) { row = pixels + ((height - 1) * rowstride); for (i = 3; i < rowstride; i += 4) {