Stepan Salenikovich | 297b5d1 | 2015-02-26 17:51:13 -0500 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2015 Savoir-Faire Linux Inc. |
| 3 | * Author: Stepan Salenikovich <stepan.salenikovich@savoirfairelinux.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Additional permission under GNU GPL version 3 section 7: |
| 20 | * |
| 21 | * If you modify this program, or any covered work, by linking or |
| 22 | * combining it with the OpenSSL project's OpenSSL library (or a |
| 23 | * modified version of that library), containing parts covered by the |
| 24 | * terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc. |
| 25 | * grants you additional permission to convey the resulting work. |
| 26 | * Corresponding Source for a non-source form of such a combination |
| 27 | * shall include the source code for the parts of OpenSSL used as well |
| 28 | * as that of the covered work. |
| 29 | */ |
| 30 | |
| 31 | #include "drawing.h" |
| 32 | |
| 33 | #include <gtk/gtk.h> |
| 34 | #include <math.h> |
| 35 | |
| 36 | GdkPixbuf * |
| 37 | ring_draw_fallback_avatar(int size) { |
| 38 | cairo_surface_t *surface; |
| 39 | cairo_t *cr; |
| 40 | |
| 41 | surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, size, size); |
| 42 | cr = cairo_create(surface); |
| 43 | |
| 44 | cairo_pattern_t *linpat = cairo_pattern_create_linear(0, 0, 0, size); |
| 45 | cairo_pattern_add_color_stop_rgb(linpat, 0, 0.937, 0.937, 0.937); |
| 46 | cairo_pattern_add_color_stop_rgb(linpat, 1, 0.969, 0.969, 0.969); |
| 47 | |
| 48 | cairo_set_source(cr, linpat); |
| 49 | cairo_paint(cr); |
| 50 | |
| 51 | int avatar_size = size * 0.3; |
| 52 | GtkIconInfo *icon_info = gtk_icon_theme_lookup_icon(gtk_icon_theme_get_default(), "avatar-default-symbolic", |
| 53 | avatar_size, GTK_ICON_LOOKUP_GENERIC_FALLBACK); |
| 54 | GdkPixbuf *pixbuf_icon = gtk_icon_info_load_icon(icon_info, NULL); |
| 55 | g_object_unref(icon_info); |
| 56 | |
| 57 | if (pixbuf_icon != NULL) { |
| 58 | gdk_cairo_set_source_pixbuf(cr, pixbuf_icon, (size - avatar_size) / 2, (size - avatar_size) / 2); |
| 59 | g_object_unref(pixbuf_icon); |
| 60 | cairo_rectangle(cr, (size - avatar_size) / 2, (size - avatar_size) / 2, avatar_size, avatar_size); |
| 61 | cairo_fill(cr); |
| 62 | } |
| 63 | |
| 64 | GdkPixbuf *pixbuf = gdk_pixbuf_get_from_surface(surface, 0, 0, size, size); |
| 65 | |
| 66 | /* free resources */ |
| 67 | cairo_destroy(cr); |
| 68 | cairo_surface_destroy(surface); |
| 69 | |
| 70 | return pixbuf; |
| 71 | } |
| 72 | |
| 73 | GdkPixbuf * |
| 74 | ring_frame_avatar(GdkPixbuf *avatar) { |
| 75 | int extra_space = 10; |
| 76 | int offset = extra_space/2; |
| 77 | int w = gdk_pixbuf_get_width(avatar); |
| 78 | int h = gdk_pixbuf_get_height(avatar); |
| 79 | int w_surface = w + extra_space; |
| 80 | int h_surface = h + extra_space; |
| 81 | cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w_surface, h_surface); |
| 82 | cairo_t *cr = cairo_create(surface); |
| 83 | |
| 84 | cairo_set_source_rgba(cr, 0, 0, 0, 0); |
| 85 | cairo_rectangle(cr, 0, 0, w_surface, h_surface); |
| 86 | cairo_fill(cr); |
| 87 | |
| 88 | gdk_cairo_set_source_pixbuf(cr, avatar, offset, offset); |
| 89 | |
| 90 | double aspect = (double)w/(double)h; |
| 91 | double corner_radius = 5; |
| 92 | double radius = corner_radius/aspect; |
| 93 | double degrees = M_PI / 180.0; |
| 94 | |
| 95 | cairo_new_sub_path (cr); |
| 96 | cairo_arc (cr, offset + w - radius, offset + radius, radius, -90 * degrees, 0 * degrees); |
| 97 | cairo_arc (cr, offset + w - radius, offset + h - radius, radius, 0 * degrees, 90 * degrees); |
| 98 | cairo_arc (cr, offset + radius, offset + h - radius, radius, 90 * degrees, 180 * degrees); |
| 99 | cairo_arc (cr, offset + radius, offset + radius, radius, 180 * degrees, 270 * degrees); |
| 100 | cairo_close_path (cr); |
| 101 | |
| 102 | cairo_fill_preserve(cr); |
| 103 | |
| 104 | cairo_set_source_rgba (cr, 58.0/256.0, 191/256.0, 210/256.0, 1.0); |
| 105 | cairo_set_line_width (cr, 2.0); |
| 106 | cairo_stroke (cr); |
| 107 | |
| 108 | GdkPixbuf *pixbuf = gdk_pixbuf_get_from_surface(surface, 0, 0, w_surface, h_surface); |
| 109 | |
| 110 | /* free resources */ |
| 111 | cairo_destroy(cr); |
| 112 | cairo_surface_destroy(surface); |
| 113 | |
| 114 | return pixbuf; |
| 115 | } |