Add a test of an animated resizing window
Add a test of a window with an animated size and contents. The test accepts load factor command line argument to see how things work as the drawing of the content requires more GPU resources. https://bugzilla.gnome.org/show_bug.cgi?id=685460
This commit is contained in:
Owen W. Taylor
@@ -25,6 +25,7 @@ testsocket_programs = testsocket testsocket_child
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endif
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noinst_PROGRAMS = $(TEST_PROGS) \
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animated-resizing \
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simple \
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flicker \
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print-editor \
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@@ -149,6 +150,7 @@ endif
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endif
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animated_resizing_DEPENDENCIES = $(TEST_DEPS)
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flicker_DEPENDENCIES = $(TEST_DEPS)
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simple_DEPENDENCIES = $(TEST_DEPS)
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print_editor_DEPENDENCIES = $(TEST_DEPS)
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197
tests/animated-resizing.c
Normal file
197
tests/animated-resizing.c
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@@ -0,0 +1,197 @@
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/* -*- mode: C; c-basic-offset: 2; indent-tabs-mode: nil; -*- */
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#include <gtk/gtk.h>
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#include <math.h>
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#define WIDTH 600
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#define HEIGHT 600
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#define WINDOW_SIZE_JITTER 200
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#define CYCLE_TIME 5.
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static GtkWidget *window;
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static int window_width = WIDTH, window_height = HEIGHT;
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static double angle;
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static int frames_since_last_print = 0;
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static double load_factor = 1.0;
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static double cb_no_resize = FALSE;
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static cairo_surface_t *source_surface;
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static void
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ensure_resources(cairo_surface_t *target)
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{
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cairo_t *cr;
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int i, j;
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if (source_surface != NULL)
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return;
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source_surface = cairo_surface_create_similar (target, CAIRO_CONTENT_COLOR_ALPHA, 2048, 2048);
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cr = cairo_create(source_surface);
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cairo_save(cr);
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cairo_set_source_rgba(cr, 0, 0, 0, 0);
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
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cairo_paint(cr);
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cairo_restore(cr);
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cairo_set_line_width(cr, 1.0);
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for (j = 0; j < 16; j++)
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for (i = 0; i < 16; i++)
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{
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cairo_set_source_rgba(cr,
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((i * 41) % 16) / 15.,
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((i * 31) % 16) / 15.,
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((i * 23) % 16) / 15.,
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0.25);
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cairo_arc(cr,
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i * 128 + 64, j * 128 + 64,
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64 - 0.5, 0, 2 * M_PI);
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cairo_fill_preserve(cr);
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cairo_set_source_rgba(cr,
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((i * 41) % 16) / 15.,
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((i * 31) % 16) / 15.,
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((i * 23) % 16) / 15.,
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1.0);
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cairo_stroke(cr);
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}
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}
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static void
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on_window_draw (GtkWidget *widget,
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cairo_t *cr)
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{
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GRand *rand = g_rand_new_with_seed(0);
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int i;
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int width, height;
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width = gtk_widget_get_allocated_width (widget);
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height = gtk_widget_get_allocated_height (widget);
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ensure_resources (cairo_get_target (cr));
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cairo_set_source_rgb(cr, 1, 1, 1);
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cairo_paint(cr);
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cairo_set_source_rgb(cr, 0, 0, 0);
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cairo_set_line_width(cr, 1.0);
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cairo_rectangle (cr, 0.5, 0.5, width - 1, height - 1);
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cairo_stroke (cr);
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for(i = 0; i < load_factor * 150; i++)
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{
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int source = g_rand_int_range(rand, 0, 255);
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double phi = g_rand_double_range(rand, 0, 2 * M_PI) + angle;
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double r = g_rand_double_range(rand, 0, width / 2 - 64);
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int x, y;
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int source_x = (source % 16) * 128;
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int source_y = (source / 16) * 128;
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x = round(width / 2 + r * cos(phi) - 64);
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y = round(height / 2 - r * sin(phi) - 64);
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cairo_set_source_surface(cr, source_surface,
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x - source_x, y - source_y);
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cairo_rectangle(cr, x, y, 128, 128);
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cairo_fill(cr);
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}
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g_rand_free(rand);
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}
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static void
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on_frame (GtkTimeline *timeline,
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double progress)
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{
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int jitter;
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double current_time;
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static double last_print_time = 0;
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current_time = g_get_monotonic_time () / 1000000.;
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if (current_time >= last_print_time + 5)
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{
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if (frames_since_last_print != 0)
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{
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g_print ("%g\n", frames_since_last_print / (current_time - last_print_time));
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frames_since_last_print = 0;
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}
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last_print_time = current_time;
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}
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frames_since_last_print++;
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angle = 2 * M_PI * progress;
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jitter = WINDOW_SIZE_JITTER * sin(angle);
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if (!cb_no_resize)
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{
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window_width = WIDTH + jitter;
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window_height = HEIGHT + jitter;
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}
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gtk_window_resize (GTK_WINDOW (window),
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window_width, window_height);
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gtk_widget_queue_draw (window);
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}
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static GOptionEntry options[] = {
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{ "factor", 'f', 0, G_OPTION_ARG_DOUBLE, &load_factor, "Load factor", "FACTOR" },
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{ "no-resize", 'n', 0, G_OPTION_ARG_NONE, &cb_no_resize, "No Resize", NULL },
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{ NULL }
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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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GError *error = NULL;
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GdkScreen *screen;
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GdkRectangle monitor_bounds;
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GtkTimeline *timeline;
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if (!gtk_init_with_args (&argc, &argv, "",
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options, NULL, NULL))
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{
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g_printerr ("Option parsing failed: %s", error->message);
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return 1;
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}
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_keep_above (GTK_WINDOW (window), TRUE);
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gtk_window_set_gravity (GTK_WINDOW (window), GDK_GRAVITY_CENTER);
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gtk_widget_set_app_paintable (window, TRUE);
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g_signal_connect (window, "draw",
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G_CALLBACK (on_window_draw), NULL);
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g_signal_connect (window, "destroy",
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G_CALLBACK (gtk_main_quit), NULL);
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timeline = gtk_timeline_new (window, CYCLE_TIME * 1000);
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gtk_timeline_set_loop (timeline, TRUE);
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gtk_timeline_set_progress_type (timeline, GTK_TIMELINE_PROGRESS_LINEAR);
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g_signal_connect (timeline, "frame",
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G_CALLBACK (on_frame), NULL);
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on_frame (timeline, 0.);
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gtk_timeline_start (timeline);
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screen = gtk_widget_get_screen (window);
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gdk_screen_get_monitor_geometry (screen,
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gdk_screen_get_primary_monitor (screen),
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&monitor_bounds);
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gtk_window_move (GTK_WINDOW (window),
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monitor_bounds.x + (monitor_bounds.width - window_width) / 2,
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monitor_bounds.y + (monitor_bounds.height - window_height) / 2);
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gtk_widget_show (window);
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gtk_main ();
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return 0;
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}
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