static gboolean
update_brush_setting_from_json_object(MyPaintBrush *self,
char *setting_name,
json_object *setting_obj)
{
MyPaintBrushSetting setting_id = mypaint_brush_setting_from_cname(setting_name);
if (!(setting_id >= 0 && setting_id < MYPAINT_BRUSH_SETTINGS_COUNT)) {
fprintf(stderr, "Warning: Unknown setting_id: %d for setting: %s\n",
setting_id, setting_name);
return FALSE;
}
if (!json_object_is_type(setting_obj, json_type_object)) {
fprintf(stderr, "Warning: Wrong type for setting: %s\n", setting_name);
return FALSE;
}
// Base value
json_object *base_value_obj = NULL;
if (! obj_get(setting_obj, "base_value", &base_value_obj)) {
fprintf(stderr, "Warning: No 'base_value' field for setting: %s\n", setting_name);
return FALSE;
}
const double base_value = json_object_get_double(base_value_obj);
mypaint_brush_set_base_value(self, setting_id, base_value);
// Inputs
json_object *inputs = NULL;
if (! obj_get(setting_obj, "inputs", &inputs)) {
fprintf(stderr, "Warning: No 'inputs' field for setting: %s\n", setting_name);
return FALSE;
}
json_object_object_foreach(inputs, input_name, input_obj) {
MyPaintBrushInput input_id = mypaint_brush_input_from_cname(input_name);
if (!json_object_is_type(input_obj, json_type_array)) {
fprintf(stderr, "Warning: Wrong inputs type for setting: %s\n", setting_name);
return FALSE;
}
const int number_of_mapping_points = json_object_array_length(input_obj);
mypaint_brush_set_mapping_n(self, setting_id, input_id, number_of_mapping_points);
for (int i=0; i<number_of_mapping_points; i++) {
json_object *mapping_point = json_object_array_get_idx(input_obj, i);
json_object *x_obj = json_object_array_get_idx(mapping_point, 0);
const float x = json_object_get_double(x_obj);
json_object *y_obj = json_object_array_get_idx(mapping_point, 1);
const float y = json_object_get_double(y_obj);
mypaint_brush_set_mapping_point(self, setting_id, input_id, i, x, y);
}
}
void set_mapping_point (int id, int input, int index, float x, float y) {
mypaint_brush_set_mapping_point(c_brush, (MyPaintBrushSetting)id, (MyPaintBrushInput)input, index, x, y);
}