109 lines
2.2 KiB
C
109 lines
2.2 KiB
C
#include <clutter/clutter.h>
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guint8 opacity = 255;
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gboolean
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timeout_cb (gpointer data)
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{
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ClutterElement *element;
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element = CLUTTER_ELEMENT(data);
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if (opacity > 0)
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{
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clutter_element_set_opacity (element, opacity);
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opacity -= 2;
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}
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else opacity = 0xff;
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return TRUE;
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}
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gboolean
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timeout_text_cb (gpointer data)
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{
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ClutterLabel *label;
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gchar buf[32];
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label = CLUTTER_LABEL(data);
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g_snprintf(buf, 32, "--> %i <--", opacity);
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if (opacity > 0)
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{
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clutter_label_set_text(label, buf);
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clutter_element_set_opacity (CLUTTER_ELEMENT(label), opacity);
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opacity -= 2;
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}
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else opacity = 0xff;
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return TRUE;
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}
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void
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frame_cb (ClutterTimeline *timeline,
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gint frame_num,
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gpointer data)
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{
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ClutterLabel *label;
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gchar buf[32];
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label = CLUTTER_LABEL(data);
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opacity = frame_num/2;
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g_snprintf(buf, 32, "--> %i <--", frame_num);
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clutter_label_set_text (label, buf);
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clutter_element_set_opacity (CLUTTER_ELEMENT(label), opacity);
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clutter_element_rotate_z (CLUTTER_ELEMENT(label),
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frame_num,
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clutter_element_get_width (CLUTTER_ELEMENT(label))/2,
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clutter_element_get_height (CLUTTER_ELEMENT(label))/2);
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}
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int
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main (int argc, char *argv[])
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{
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ClutterElement *texture, *label;
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ClutterTimeline *timeline;
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GdkPixbuf *pixbuf;
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clutter_init (&argc, &argv);
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pixbuf = gdk_pixbuf_new_from_file ("clutter-logo-800x600.png", NULL);
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if (!pixbuf)
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g_error("pixbuf load failed");
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texture = clutter_texture_new_from_pixbuf (pixbuf);
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printf("***********foo***********\n");
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label = clutter_label_new_with_text("Sans Bold 72", "Clutter\nOpened\nHand");
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printf("***********foo***********\n");
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clutter_element_set_opacity (CLUTTER_ELEMENT(label), 0x99);
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clutter_element_set_position (CLUTTER_ELEMENT(label), 100, 200);
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clutter_group_add(clutter_stage(), texture);
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clutter_group_add(clutter_stage(), label);
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clutter_element_set_size (CLUTTER_ELEMENT(clutter_stage()), 800, 600);
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clutter_group_show_all(clutter_stage());
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timeline = clutter_timeline_new (360, 200);
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g_object_set(timeline, "loop", TRUE, 0);
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g_signal_connect(timeline, "new-frame", frame_cb, label);
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clutter_timeline_start (timeline);
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clutter_main();
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return 0;
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}
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