/usr/share/clutter-1.0/cookbook/examples/text-shadow.c is in libclutter-1.0-doc 1.24.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | #include <stdlib.h>
#include <cogl/cogl.h>
#include <cogl-pango/cogl-pango.h>
#include <clutter/clutter.h>
#define SHADOW_X_OFFSET 3
#define SHADOW_Y_OFFSET 3
static void
_text_paint_cb (ClutterActor *actor)
{
PangoLayout *layout;
guint8 real_opacity;
CoglColor color;
ClutterText *text = CLUTTER_TEXT (actor);
ClutterColor text_color = { 0, };
/* Get the PangoLayout that the Text actor is going to paint */
layout = clutter_text_get_layout (text);
/* Get the color of the text, to extract the alpha component */
clutter_text_get_color (text, &text_color);
/* Composite the opacity so that the shadow is correctly blended */
real_opacity = clutter_actor_get_paint_opacity (actor)
* text_color.alpha
/ 255;
/* Create a #ccc color and premultiply it */
cogl_color_init_from_4ub (&color, 0xcc, 0xcc, 0xcc, real_opacity);
cogl_color_premultiply (&color);
/* Finally, render the Text layout at a given offset using the color */
cogl_pango_render_layout (layout, SHADOW_X_OFFSET, SHADOW_Y_OFFSET, &color, 0);
}
int
main (int argc, char *argv[])
{
ClutterActor *stage;
ClutterActor *text;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
stage = clutter_stage_new ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Text shadow");
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
text = clutter_text_new ();
clutter_text_set_text (CLUTTER_TEXT (text), "Hello, World!");
clutter_text_set_font_name (CLUTTER_TEXT (text), "Sans 64px");
clutter_actor_add_constraint (text, clutter_align_constraint_new (stage, CLUTTER_ALIGN_X_AXIS, 0.5));
clutter_actor_add_constraint (text, clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.5));
g_signal_connect (text, "paint", G_CALLBACK (_text_paint_cb), NULL);
clutter_container_add (CLUTTER_CONTAINER (stage), text, NULL);
clutter_actor_show (stage);
clutter_main ();
return EXIT_SUCCESS;
}
|