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| author | Owen W. Taylor <otaylor@fishsoup.net> | 2012-11-14 17:24:02 -0500 |
|---|---|---|
| committer | Owen W. Taylor <otaylor@fishsoup.net> | 2013-02-14 17:19:50 -0500 |
| commit | 574301d34d6e2f08f05942e0d4ec20b40b686ee1 (patch) | |
| tree | 7ac64bb05a6eac05d93784ae18c0f1694df49caf /tests/animated-resizing.c | |
| parent | 0def26ecf1834c1ca916328460263dede160611a (diff) | |
| download | gtk+-574301d34d6e2f08f05942e0d4ec20b40b686ee1.tar.gz | |
animated-resizing: make circle size a #define
Clean up the code with a #define for circle size. This also allows
determining we're throttled by number-of-requests or number-of-pixels.
https://bugzilla.gnome.org/show_bug.cgi?id=685460
Diffstat (limited to 'tests/animated-resizing.c')
| -rw-r--r-- | tests/animated-resizing.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/tests/animated-resizing.c b/tests/animated-resizing.c index bf36551c58..a6198cc9fe 100644 --- a/tests/animated-resizing.c +++ b/tests/animated-resizing.c @@ -3,6 +3,8 @@ #include <gtk/gtk.h> #include <math.h> +#define RADIUS 64 +#define DIAMETER (2*RADIUS) #define WIDTH 600 #define HEIGHT 600 #define WINDOW_SIZE_JITTER 200 @@ -28,7 +30,8 @@ ensure_resources(cairo_surface_t *target) if (source_surface != NULL) return; - source_surface = cairo_surface_create_similar (target, CAIRO_CONTENT_COLOR_ALPHA, 2048, 2048); + source_surface = cairo_surface_create_similar (target, CAIRO_CONTENT_COLOR_ALPHA, + 16 * DIAMETER, 16 * DIAMETER); cr = cairo_create(source_surface); cairo_save(cr); @@ -48,8 +51,8 @@ ensure_resources(cairo_surface_t *target) ((i * 23) % 16) / 15., 0.25); cairo_arc(cr, - i * 128 + 64, j * 128 + 64, - 64 - 0.5, 0, 2 * M_PI); + i * DIAMETER + RADIUS, j * DIAMETER + RADIUS, + RADIUS - 0.5, 0, 2 * M_PI); cairo_fill_preserve(cr); cairo_set_source_rgba(cr, ((i * 41) % 16) / 15., @@ -86,18 +89,18 @@ on_window_draw (GtkWidget *widget, { int source = g_rand_int_range(rand, 0, 255); double phi = g_rand_double_range(rand, 0, 2 * M_PI) + angle; - double r = g_rand_double_range(rand, 0, width / 2 - 64); + double r = g_rand_double_range(rand, 0, width / 2 - RADIUS); int x, y; - int source_x = (source % 16) * 128; - int source_y = (source / 16) * 128; + int source_x = (source % 16) * DIAMETER; + int source_y = (source / 16) * DIAMETER; - x = round(width / 2 + r * cos(phi) - 64); - y = round(height / 2 - r * sin(phi) - 64); + x = round(width / 2 + r * cos(phi) - RADIUS); + y = round(height / 2 - r * sin(phi) - RADIUS); cairo_set_source_surface(cr, source_surface, x - source_x, y - source_y); - cairo_rectangle(cr, x, y, 128, 128); + cairo_rectangle(cr, x, y, DIAMETER, DIAMETER); cairo_fill(cr); } |