2 * Copyright (C) 2008 Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #include <gdk-pixbuf/gdk-pixbuf.h>
36 #define FILENAME "/home/cascardo/fotos/debconf.jpg"
44 ctx = (struct ctx *) data;
45 gtk_widget_queue_draw (GTK_WIDGET (ctx->draw));
51 expose (GtkWidget *widget, GdkEventExpose *event, gpointer data)
57 ctx = (struct ctx *) data;
58 gdk_drawable_get_size (GDK_DRAWABLE (event->window), &w, &h);
60 ctx->i = (ctx->i >= ctx->points->len) ? 0 : ctx->i + 1;
61 point = g_array_index (ctx->points, Point, ctx->i);
62 screen = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
63 event->area.width, event->area.height);
64 gdk_pixbuf_scale (ctx->picture, screen, 0, 0,
65 event->area.width, event->area.height,
66 -point.x + w/2 - event->area.x,
67 -point.y + h/2 - event->area.y,
68 point.rx, point.ry, GDK_INTERP_BILINEAR);
69 gdk_draw_pixbuf (widget->window, NULL, screen, 0, 0,
70 event->area.x, event->area.y,
71 event->area.width, event->area.height,
72 GDK_RGB_DITHER_NONE, 0, 0);
73 gdk_pixbuf_unref (screen);
78 layout = gtk_widget_create_pango_layout (ctx->draw, point.name);
79 pango_layout_set_attributes (layout, ctx->list);
80 pango_layout_get_pixel_size (layout, &pw, &ph);
81 gdk_draw_rectangle (widget->window, ctx->gc2, TRUE,
82 (WIDTH - pw - 8) / 2, HEIGHT - ph - 20, pw + 8, ph);
83 gdk_draw_layout (widget->window, ctx->gc, (WIDTH - pw) / 2,
84 HEIGHT - ph - 20, layout);
85 g_object_unref (layout);
87 g_timeout_add (3000, queue, ctx);
92 g_timeout_add (10, queue, ctx);
101 main (int argc, char **argv)
104 GdkColorspace colorspace;
112 PangoAttribute *attr;
113 gtk_init (&argc, &argv);
118 ctx.points = ReadPoints ("pro-gnu");
119 ctx.points = drop_dup_frames (ctx.points, FPF);
120 rescale_points (ctx.points, get_scales (FPF));
121 ctx.picture = gdk_pixbuf_new_from_file (filename, NULL);
122 ctx.i = ctx.points->len;
123 colorspace = gdk_pixbuf_get_colorspace (ctx.picture);
124 has_alpha = gdk_pixbuf_get_has_alpha (ctx.picture);
125 bits_per_sample = gdk_pixbuf_get_bits_per_sample (ctx.picture);
128 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
129 g_signal_connect (G_OBJECT (window), "destroy",
130 G_CALLBACK (gtk_main_quit), NULL);
131 ctx.draw = gtk_drawing_area_new ();
132 gtk_widget_set_size_request (ctx.draw, width, height);
133 gtk_container_add (GTK_CONTAINER (window), ctx.draw);
134 gtk_widget_show_all (window);
135 g_signal_connect (G_OBJECT (ctx.draw), "expose_event",
136 G_CALLBACK (expose), &ctx);
138 Yellow.green = 0xFFFF;
143 ctx.gc = gdk_gc_new (ctx.draw->window);
144 gdk_gc_set_rgb_fg_color (ctx.gc, &Yellow);
145 ctx.gc2 = gdk_gc_new (ctx.draw->window);
146 gdk_gc_set_rgb_fg_color (ctx.gc2, &Black);
147 ctx.list = pango_attr_list_new ();
148 attr = pango_attr_size_new (32 * PANGO_SCALE);
149 pango_attr_list_insert (ctx.list, attr);
150 attr = pango_attr_weight_new (PANGO_WEIGHT_SEMIBOLD);
151 pango_attr_list_insert (ctx.list, attr);
152 g_timeout_add (10, queue, &ctx);
154 gdk_pixbuf_unref (ctx.picture);