HTC One User Manual page 130

130 Gallery
Except for when applying rotation, edited photos are saved as
copies of the original.
Drawing on a photo
Get more creative with your photos or highlight an interesting part.
1. In Gallery, open the photo you want in full screen, tap it, and then
tap .
2. Tap > Draw.
3. Tap and then choose a pen stroke, color, and thickness.
4. Draw on the photo.
5. Tap Done >
The edited photo is saved as a copy. The original photo remains
unedited.
Applying custom filters to photos
Filters can only be applied to photos that are stored locally.
1. In Gallery, open the photo you want in full screen, tap it, and then
tap .
2. Tap >
bar.
.
. You'll find at the right end of the predefined filters