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mutter-performance-source/tests/interactive/test-pixmap.c
Emmanuele Bassi c4e6f74f29 interactive/pixmap: Make sure to work only on the X11 backend 
Even if the test has been successfully compiled against the X11 backend,
we need to ensure that it is actually running against it, otherwise bad
things will happen.
2011-11-03 13:45:21 +00:00

318 lines
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#include <stdlib.h>
#include <string.h>
#include <gmodule.h>
#include <cairo.h>
#ifdef CAIRO_HAS_XLIB_SURFACE
#include <cairo-xlib.h>
#endif
#undef CLUTTER_DISABLE_DEPRECATED
#include <clutter/clutter.h>
#ifdef CLUTTER_WINDOWING_X11
#include <X11/Xlib.h>
#include <X11/extensions/Xcomposite.h>
#include <clutter/x11/clutter-x11.h>
#include <clutter/x11/clutter-x11-texture-pixmap.h>
#endif
#define IMAGE TESTS_DATADIR G_DIR_SEPARATOR_S "redhand.png"
static gboolean disable_x11 = FALSE;
static gboolean disable_animation = FALSE;
static GOptionEntry g_options[] =
{
{ "disable-x11",
0, 0,
G_OPTION_ARG_NONE,
&disable_x11,
"Disable redirection through X11 pixmap",
NULL },
{ "disable-animation",
0, 0,
G_OPTION_ARG_NONE,
&disable_animation,
"Disable the animations",
NULL },
{ NULL }
};
static void
toggle_texture_quality (ClutterActor *actor)
{
if (CLUTTER_IS_CONTAINER (actor))
clutter_container_foreach (CLUTTER_CONTAINER (actor),
(ClutterCallback) toggle_texture_quality,
NULL);
if (CLUTTER_IS_TEXTURE (actor))
{
ClutterTextureQuality quality;
quality = clutter_texture_get_filter_quality (CLUTTER_TEXTURE (actor));
if (quality == CLUTTER_TEXTURE_QUALITY_HIGH)
quality = CLUTTER_TEXTURE_QUALITY_MEDIUM;
else
quality = CLUTTER_TEXTURE_QUALITY_HIGH;
g_print ("switching to quality %s for %p\n",
quality == CLUTTER_TEXTURE_QUALITY_HIGH
? "high" : "medium",
actor);
clutter_texture_set_filter_quality (CLUTTER_TEXTURE (actor), quality);
}
}
static gboolean
stage_key_release_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer data)
{
switch (clutter_event_get_key_symbol (event))
{
case CLUTTER_KEY_q:
case CLUTTER_KEY_Q:
clutter_main_quit ();
break;
case CLUTTER_KEY_m:
toggle_texture_quality (actor);
break;
}
return FALSE;
}
static gboolean
draw_arc (Pixmap pixmap)
{
Display *dpy = clutter_x11_get_default_display ();
static GC gc = None;
static int x = 100, y = 100;
if (gc == None)
{
XGCValues gc_values = { 0 };
gc_values.line_width = 12;
/* This is an attempt to get a black pixel will full
opacity. Seemingly the BlackPixel macro and the default GC
value are a fully transparent color */
gc_values.foreground = 0xff000000;
gc = XCreateGC (dpy,
pixmap,
GCLineWidth | GCForeground,
&gc_values);
}
XDrawArc (dpy, pixmap, gc, x, y, 100, 100, 0, 360 * 64);
x -= 5;
y -= 5;
return TRUE;
}
static gboolean
stage_button_press_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer data)
{
draw_arc ((Pixmap)data);
return FALSE;
}
Pixmap
create_pixmap (guint *width, guint *height, guint *depth)
{
Display *dpy = clutter_x11_get_default_display ();
cairo_surface_t *image;
Pixmap pixmap;
XVisualInfo xvisinfo;
XVisualInfo *xvisinfos;
int n;
cairo_surface_t *xlib_surface;
cairo_t *cr;
guint w, h;
image = cairo_image_surface_create_from_png (IMAGE);
if (cairo_surface_status (image) != CAIRO_STATUS_SUCCESS)
g_error ("Failed to load %s", IMAGE);
w = cairo_image_surface_get_width (image);
h = cairo_image_surface_get_height (image);
pixmap = XCreatePixmap (dpy,
DefaultRootWindow (dpy),
w, h,
32);
xvisinfo.depth = 32;
xvisinfos = XGetVisualInfo (dpy, VisualDepthMask, &xvisinfo, &n);
if (!xvisinfos)
g_error ("Failed to find a 32bit X Visual");
xlib_surface =
cairo_xlib_surface_create (dpy,
pixmap,
xvisinfos->visual,
w, h);
XFree (xvisinfos);
cr = cairo_create (xlib_surface);
cairo_set_source_surface (cr, image, 0, 0);
cairo_paint (cr);
cairo_surface_destroy (image);
if (width)
*width = w;
if (height)
*height = h;
if (depth)
*depth = 32;
return pixmap;
}
/* each time the timeline animating the label completes, swap the direction */
static void
timeline_completed (ClutterTimeline *timeline,
gpointer user_data)
{
clutter_timeline_set_direction (timeline,
!clutter_timeline_get_direction (timeline));
clutter_timeline_start (timeline);
}
G_MODULE_EXPORT int
test_pixmap_main (int argc, char **argv)
{
GOptionContext *context;
Display *xdpy;
int screen;
ClutterActor *group = NULL, *label, *stage, *tex;
Pixmap pixmap;
const ClutterColor gry = { 0x99, 0x99, 0x99, 0xFF };
Window win_remote;
guint w, h, d;
GC gc;
ClutterTimeline *timeline;
ClutterAlpha *alpha;
ClutterBehaviour *depth_behavior;
int i;
int row_height;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
#ifdef CLUTTER_WINDOWING_X11
if (!clutter_check_windowing_backend (CLUTTER_WINDOWING_X11))
g_error ("test-pixmap requires the X11 Clutter backend.");
#endif
xdpy = clutter_x11_get_default_display ();
XSynchronize (xdpy, True);
context = g_option_context_new (" - test-pixmap options");
g_option_context_add_main_entries (context, g_options, NULL);
g_option_context_parse (context, &argc, &argv, NULL);
pixmap = create_pixmap (&w, &h, &d);
screen = DefaultScreen(xdpy);
win_remote = XCreateSimpleWindow (xdpy, DefaultRootWindow(xdpy),
0, 0, 200, 200,
0,
WhitePixel(xdpy, screen),
WhitePixel(xdpy, screen));
XMapWindow (xdpy, win_remote);
stage = clutter_stage_get_default ();
clutter_actor_set_position (stage, 0, 150);
clutter_stage_set_color (CLUTTER_STAGE (stage), &gry);
timeline = clutter_timeline_new (5000);
g_signal_connect (timeline,
"completed", G_CALLBACK (timeline_completed),
NULL);
alpha = clutter_alpha_new_full (timeline, CLUTTER_LINEAR);
depth_behavior = clutter_behaviour_depth_new (alpha, -2500, 400);
if (!disable_x11)
{
group = clutter_group_new ();
clutter_container_add_actor (CLUTTER_CONTAINER (stage), group);
label = clutter_text_new_with_text ("fixed",
"ClutterX11Texture (Window)");
clutter_container_add_actor (CLUTTER_CONTAINER (group), label);
tex = clutter_x11_texture_pixmap_new_with_window (win_remote);
clutter_container_add_actor (CLUTTER_CONTAINER (group), tex);
clutter_actor_set_position (tex, 0, 20);
clutter_x11_texture_pixmap_set_automatic (CLUTTER_X11_TEXTURE_PIXMAP (tex),
TRUE);
clutter_texture_set_filter_quality (CLUTTER_TEXTURE (tex),
CLUTTER_TEXTURE_QUALITY_HIGH);
clutter_actor_set_position (group, 0, 0);
if (!disable_animation)
clutter_behaviour_apply (depth_behavior, group);
}
if (group)
row_height = clutter_actor_get_height (group);
else
row_height = 0;
/* NB: We only draw on the window after being redirected, so we dont
* have to worry about handling expose events... */
gc = XCreateGC (xdpy, win_remote, 0, NULL);
XSetForeground (xdpy, gc, BlackPixel (xdpy, screen));
XSetLineAttributes(xdpy, gc, 5, LineSolid, CapButt, JoinMiter);
for (i = 0; i < 10; i++)
XDrawLine (xdpy, win_remote, gc, 0+i*20, 0, 10+i*20+i, 200);
group = clutter_group_new ();
clutter_container_add_actor (CLUTTER_CONTAINER (stage), group);
label = clutter_text_new_with_text ("fixed", "ClutterX11Texture (Pixmap)");
clutter_container_add_actor (CLUTTER_CONTAINER (group), label);
tex = clutter_x11_texture_pixmap_new_with_pixmap (pixmap);
clutter_x11_texture_pixmap_set_automatic (CLUTTER_X11_TEXTURE_PIXMAP (tex),
TRUE);
clutter_container_add_actor (CLUTTER_CONTAINER (group), tex);
clutter_actor_set_position (tex, 0, 20);
clutter_texture_set_filter_quality (CLUTTER_TEXTURE (tex),
CLUTTER_TEXTURE_QUALITY_HIGH);
/* oddly, the actor's size is 0 until it is realized, even though
pixmap-height is set */
clutter_actor_set_position (group, 0, row_height);
if (!disable_animation)
clutter_behaviour_apply (depth_behavior, group);
g_signal_connect (stage, "key-release-event",
G_CALLBACK (stage_key_release_cb), (gpointer)pixmap);
g_signal_connect (stage, "button-press-event",
G_CALLBACK (stage_button_press_cb), (gpointer)pixmap);
clutter_actor_show (stage);
if (!disable_animation)
clutter_timeline_start (timeline);
g_timeout_add_seconds (1, (GSourceFunc)draw_arc, GUINT_TO_POINTER (pixmap));
clutter_main ();
return EXIT_SUCCESS;
}
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