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flower: Clear surface

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This commit is contained in:
Kristian Høgsberg 2010-08-30 08:21:44 -04:00
parent c7c60646ad
commit 8ca1cc20a1
1 changed files with 5 additions and 0 deletions
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5
clients/flower.c
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@ -62,6 +62,11 @@ draw_stuff(cairo_surface_t *surface, int width, int height)
double x1, y1, x2, y2, x3, y3;
cr = cairo_create(surface);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgba(cr, 0, 0, 0, 0);
cairo_paint(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_translate(cr, width / 2, height / 2);
cairo_move_to(cr, cos(0) * r1, sin(0) * r1);
for (t = 0, i = 0; i < petal_count; i++, t += dt * 2) {