diff options
-rw-r--r-- | libmetacity/meta-gradient-spec.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/libmetacity/meta-gradient-spec.c b/libmetacity/meta-gradient-spec.c index cfb0f82e..79f1bd52 100644 --- a/libmetacity/meta-gradient-spec.c +++ b/libmetacity/meta-gradient-spec.c @@ -52,7 +52,7 @@ create_cairo_pattern_from_gradient_spec (const MetaGradientSpec *spec, if (n_colors == 0) return NULL; - if (alpha_spec != NULL) + if (alpha_spec != NULL && alpha_spec->n_alphas != 1) g_assert (n_colors == alpha_spec->n_alphas); if (spec->type == META_GRADIENT_HORIZONTAL) @@ -73,9 +73,18 @@ create_cairo_pattern_from_gradient_spec (const MetaGradientSpec *spec, meta_color_spec_render (tmp->data, context, &color); if (alpha_spec != NULL) - cairo_pattern_add_color_stop_rgba (pattern, i / (gfloat) (n_colors - 1), - color.red, color.green, color.blue, - alpha_spec->alphas[i] / 255.0); + { + gdouble alpha; + + if (alpha_spec->n_alphas == 1) + alpha = alpha_spec->alphas[0] / 255.0; + else + alpha = alpha_spec->alphas[i] / 255.0; + + cairo_pattern_add_color_stop_rgba (pattern, i / (gfloat) (n_colors - 1), + color.red, color.green, color.blue, + alpha); + } else cairo_pattern_add_color_stop_rgb (pattern, i / (gfloat) (n_colors - 1), color.red, color.green, color.blue); |