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[script] Default to text color alpha of 1 if nothing was passed

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If NULL or no variable was passed, the aplha variable would be read as NaN
which gets clamped to 0 so the text would be completely transparent.
This commit is contained in:
Charlie Brej 2010-04-20 14:00:01 +01:00
parent 5de9b303bb
commit d163fb2a3d
1 changed files with 5 additions and 4 deletions
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9
src/plugins/splash/script/script-lib-image.c
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@ -163,19 +163,20 @@ static script_return_t image_text (script_state_t *state,
char *text = script_obj_hash_get_string (state->local, "text");
/* These colour values are currently unused, but will be once label supports them */
float alpha;
float red = CLAMP(script_obj_hash_get_number (state->local, "red"), 0, 1);
float green = CLAMP(script_obj_hash_get_number (state->local, "green"), 0, 1);
float blue = CLAMP(script_obj_hash_get_number (state->local, "blue"), 0, 1);
float alpha = 1;
alpha_obj = script_obj_hash_peek_element (state->local, "alpha");
if (alpha_obj)
if (script_obj_is_number (alpha_obj))
{
alpha = CLAMP(script_obj_as_number (alpha_obj), 0, 1);
script_obj_unref(alpha_obj);
}
else
alpha = 1;
script_obj_unref(alpha_obj);
if (!text) return script_return_obj_null ();