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@@ -1179,7 +1179,7 @@
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 {
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   shoes_effect *fx = (shoes_effect *)data;
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   int distance = ATTR2(int, fx->attr, distance, 4);
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-  shoes_layer_blur_filter(cr, data, CAIRO_OPERATOR_IN, CAIRO_OPERATOR__OVER, distance);
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+  shoes_layer_blur_filter(cr, data, CAIRO_OPERATOR_IN, CAIRO_OPERATOR_DEST_OVER, distance);
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 }
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 void
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@@ -1617,18 +1617,29 @@
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 {
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   double angle = ATTR2(dbl, attr, angle, 0.);
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   double rads = angle * SHOES_RAD2PI;
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+  double edge = sin(rads) + cos(rads);
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   if (rb_obj_is_kind_of(r1, rb_cString))
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     r1 = shoes_color_parse(cColor, r1);
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   if (rb_obj_is_kind_of(r2, rb_cString))
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     r2 = shoes_color_parse(cColor, r2);
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-  pattern->pattern = cairo_pattern_create_linear(0.0, 0.0, 0.0, sin(rads) + cos(rads));
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-  if (angle != 0.)
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+  VALUE radius = ATTR(attr, radius);
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+  if (!NIL_P(radius))
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   {
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-    cairo_matrix_t matrix;
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-    cairo_matrix_init_rotate(&matrix, rads);
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-    cairo_pattern_set_matrix(pattern->pattern, &matrix);
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+    double r = 0.001;
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+    if (rb_obj_is_kind_of(r, rb_cFloat)) r = NUM2DBL(radius);
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+    pattern->pattern = cairo_pattern_create_radial(0.5, 0.5, r, edge / 2., edge / 2., edge / 2.);
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+  }
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+  else
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+  {
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+    pattern->pattern = cairo_pattern_create_linear(0.0, 0.0, 0.0, edge);
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+    if (angle != 0.)
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+    {
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+      cairo_matrix_t matrix;
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+      cairo_matrix_init_rotate(&matrix, rads);
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+      cairo_pattern_set_matrix(pattern->pattern, &matrix);
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+    }
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   }
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   shoes_color_grad_stop(pattern->pattern, 0.0, r1);
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   shoes_color_grad_stop(pattern->pattern, 1.0, r2);