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https://github.com/brl/mutter.git
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328 lines
9.1 KiB
C
328 lines
9.1 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include <gmodule.h>
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#include <cairo.h>
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#ifdef CAIRO_HAS_XLIB_SURFACE
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#include <cairo-xlib.h>
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#endif
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#include <clutter/clutter.h>
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#ifdef CLUTTER_WINDOWING_X11
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#include <X11/Xlib.h>
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#include <X11/extensions/Xcomposite.h>
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#include <clutter/x11/clutter-x11.h>
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#include <clutter/x11/clutter-x11-texture-pixmap.h>
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#endif
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#define IMAGE TESTS_DATADIR G_DIR_SEPARATOR_S "redhand.png"
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static gboolean disable_x11 = FALSE;
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static gboolean disable_animation = FALSE;
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static GOptionEntry g_options[] =
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{
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{ "disable-x11",
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0, 0,
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G_OPTION_ARG_NONE,
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&disable_x11,
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"Disable redirection through X11 pixmap",
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NULL },
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{ "disable-animation",
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0, 0,
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G_OPTION_ARG_NONE,
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&disable_animation,
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"Disable the animations",
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NULL },
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{ NULL }
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};
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static void
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toggle_texture_quality (ClutterActor *actor)
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{
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if (CLUTTER_IS_CONTAINER (actor))
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clutter_container_foreach (CLUTTER_CONTAINER (actor),
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(ClutterCallback) toggle_texture_quality,
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NULL);
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if (CLUTTER_IS_TEXTURE (actor))
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{
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ClutterTextureQuality quality;
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quality = clutter_texture_get_filter_quality (CLUTTER_TEXTURE (actor));
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if (quality == CLUTTER_TEXTURE_QUALITY_HIGH)
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quality = CLUTTER_TEXTURE_QUALITY_MEDIUM;
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else
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quality = CLUTTER_TEXTURE_QUALITY_HIGH;
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g_print ("switching to quality %s for %p\n",
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quality == CLUTTER_TEXTURE_QUALITY_HIGH
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? "high" : "medium",
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actor);
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clutter_texture_set_filter_quality (CLUTTER_TEXTURE (actor), quality);
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}
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}
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static gboolean
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stage_key_release_cb (ClutterActor *actor,
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ClutterEvent *event,
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gpointer data)
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{
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switch (clutter_event_get_key_symbol (event))
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{
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case CLUTTER_KEY_q:
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case CLUTTER_KEY_Q:
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clutter_main_quit ();
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break;
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case CLUTTER_KEY_m:
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toggle_texture_quality (actor);
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break;
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}
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return FALSE;
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}
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static gboolean
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draw_arc (data)
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{
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Pixmap pixmap = GPOINTER_TO_UINT (data);
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Display *dpy = clutter_x11_get_default_display ();
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static GC gc = None;
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static int x = 100, y = 100;
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if (gc == None)
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{
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XGCValues gc_values = { 0 };
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gc_values.line_width = 12;
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/* This is an attempt to get a black pixel will full
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opacity. Seemingly the BlackPixel macro and the default GC
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value are a fully transparent color */
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gc_values.foreground = 0xff000000;
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gc = XCreateGC (dpy,
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pixmap,
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GCLineWidth | GCForeground,
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&gc_values);
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}
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XDrawArc (dpy, pixmap, gc, x, y, 100, 100, 0, 360 * 64);
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x -= 5;
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y -= 5;
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return G_SOURCE_CONTINUE;
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}
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static gboolean
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stage_button_press_cb (ClutterActor *actor,
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ClutterEvent *event,
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gpointer data)
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{
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draw_arc (GPOINTER_TO_UINT (data));
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return CLUTTER_EVENT_STOP;
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}
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Pixmap
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create_pixmap (guint *width, guint *height, guint *depth)
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{
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Display *dpy = clutter_x11_get_default_display ();
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cairo_surface_t *image;
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Pixmap pixmap;
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XVisualInfo xvisinfo;
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XVisualInfo *xvisinfos;
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int n;
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cairo_surface_t *xlib_surface;
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cairo_t *cr;
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guint w, h;
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image = cairo_image_surface_create_from_png (IMAGE);
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if (cairo_surface_status (image) != CAIRO_STATUS_SUCCESS)
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g_error ("Failed to load %s", IMAGE);
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w = cairo_image_surface_get_width (image);
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h = cairo_image_surface_get_height (image);
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pixmap = XCreatePixmap (dpy,
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DefaultRootWindow (dpy),
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w, h,
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32);
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xvisinfo.depth = 32;
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xvisinfos = XGetVisualInfo (dpy, VisualDepthMask, &xvisinfo, &n);
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if (!xvisinfos)
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g_error ("Failed to find a 32bit X Visual");
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xlib_surface =
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cairo_xlib_surface_create (dpy,
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pixmap,
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xvisinfos->visual,
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w, h);
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XFree (xvisinfos);
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cr = cairo_create (xlib_surface);
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cairo_set_source_surface (cr, image, 0, 0);
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cairo_paint (cr);
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cairo_surface_destroy (image);
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if (width)
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*width = w;
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if (height)
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*height = h;
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if (depth)
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*depth = 32;
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return pixmap;
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}
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/* each time the timeline animating the label completes, swap the direction */
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static void
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timeline_completed (ClutterTimeline *timeline,
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gpointer user_data)
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{
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clutter_timeline_set_direction (timeline,
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!clutter_timeline_get_direction (timeline));
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clutter_timeline_start (timeline);
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}
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G_MODULE_EXPORT int
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test_pixmap_main (int argc, char **argv)
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{
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GOptionContext *context;
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Display *xdpy;
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int screen;
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ClutterActor *group = NULL, *label, *stage, *tex;
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Pixmap pixmap;
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const ClutterColor gry = { 0x99, 0x99, 0x99, 0xFF };
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Window win_remote;
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guint w, h, d;
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GC gc;
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ClutterTimeline *timeline;
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ClutterAlpha *alpha;
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ClutterBehaviour *depth_behavior;
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int i;
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int row_height;
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if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
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return 1;
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#ifdef CLUTTER_WINDOWING_X11
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if (!clutter_check_windowing_backend (CLUTTER_WINDOWING_X11))
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g_error ("test-pixmap requires the X11 Clutter backend.");
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#endif
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xdpy = clutter_x11_get_default_display ();
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XSynchronize (xdpy, True);
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context = g_option_context_new (" - test-pixmap options");
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g_option_context_add_main_entries (context, g_options, NULL);
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g_option_context_parse (context, &argc, &argv, NULL);
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pixmap = create_pixmap (&w, &h, &d);
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screen = DefaultScreen(xdpy);
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win_remote = XCreateSimpleWindow (xdpy, DefaultRootWindow(xdpy),
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0, 0, 200, 200,
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0,
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WhitePixel(xdpy, screen),
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WhitePixel(xdpy, screen));
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XMapWindow (xdpy, win_remote);
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stage = clutter_stage_new ();
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clutter_actor_set_position (stage, 0, 150);
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clutter_actor_set_background_color (stage, &gry);
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clutter_stage_set_title (CLUTTER_STAGE (stage), "X11 Texture from Pixmap");
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g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
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timeline = clutter_timeline_new (5000);
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g_signal_connect (timeline,
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"completed", G_CALLBACK (timeline_completed),
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NULL);
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alpha = clutter_alpha_new_full (timeline, CLUTTER_LINEAR);
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depth_behavior = clutter_behaviour_depth_new (alpha, -2500, 400);
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if (!disable_x11)
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{
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group = clutter_group_new ();
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), group);
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label = clutter_text_new_with_text ("fixed",
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"ClutterX11Texture (Window)");
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clutter_container_add_actor (CLUTTER_CONTAINER (group), label);
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tex = clutter_x11_texture_pixmap_new_with_window (win_remote);
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clutter_container_add_actor (CLUTTER_CONTAINER (group), tex);
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clutter_actor_set_position (tex, 0, 20);
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clutter_x11_texture_pixmap_set_automatic (CLUTTER_X11_TEXTURE_PIXMAP (tex),
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TRUE);
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clutter_texture_set_filter_quality (CLUTTER_TEXTURE (tex),
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CLUTTER_TEXTURE_QUALITY_HIGH);
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clutter_actor_set_position (group, 0, 0);
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if (!disable_animation)
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clutter_behaviour_apply (depth_behavior, group);
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}
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if (group)
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row_height = clutter_actor_get_height (group);
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else
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row_height = 0;
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/* NB: We only draw on the window after being redirected, so we dont
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* have to worry about handling expose events... */
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gc = XCreateGC (xdpy, win_remote, 0, NULL);
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XSetForeground (xdpy, gc, BlackPixel (xdpy, screen));
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XSetLineAttributes(xdpy, gc, 5, LineSolid, CapButt, JoinMiter);
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for (i = 0; i < 10; i++)
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XDrawLine (xdpy, win_remote, gc, 0+i*20, 0, 10+i*20+i, 200);
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group = clutter_group_new ();
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), group);
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label = clutter_text_new_with_text ("fixed", "ClutterX11Texture (Pixmap)");
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clutter_container_add_actor (CLUTTER_CONTAINER (group), label);
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tex = clutter_x11_texture_pixmap_new_with_pixmap (pixmap);
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clutter_x11_texture_pixmap_set_automatic (CLUTTER_X11_TEXTURE_PIXMAP (tex),
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TRUE);
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clutter_container_add_actor (CLUTTER_CONTAINER (group), tex);
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clutter_actor_set_position (tex, 0, 20);
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clutter_texture_set_filter_quality (CLUTTER_TEXTURE (tex),
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CLUTTER_TEXTURE_QUALITY_HIGH);
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/* oddly, the actor's size is 0 until it is realized, even though
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pixmap-height is set */
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clutter_actor_set_position (group, 0, row_height);
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if (!disable_animation)
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clutter_behaviour_apply (depth_behavior, group);
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g_signal_connect (stage, "key-release-event",
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G_CALLBACK (stage_key_release_cb), (gpointer)pixmap);
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g_signal_connect (stage, "button-press-event",
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G_CALLBACK (stage_button_press_cb), (gpointer)pixmap);
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clutter_actor_show (stage);
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if (!disable_animation)
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clutter_timeline_start (timeline);
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clutter_threads_add_timeout (1000, draw_arc, GUINT_TO_POINTER (pixmap));
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clutter_main ();
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return EXIT_SUCCESS;
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}
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G_MODULE_EXPORT const char *
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test_pixmap_describe (void)
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{
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return "GLX Texture from pixmap extension support.";
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}
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