EFFICIENT IMAGE PROCESSING ON ANDROID

117 Pages·2013·10.66 MB·English

EFFICIENT IMAGE PROCESSING
ON ANDROID
Nicolas Roard
EFFICIENT IMAGE PROCESSING
• Works well on all hardware
• Fast, ideally realtime interaction
• Handles complex and flexible processing
• Handles large images
• Minimize memory usage
WE WANT TO HAVE OUR CAKE
AND EAT IT TOO
ANDROID KITKAT
PHOTO EDITOR
• Non-destructive edits
• Full-size images processing
• Combine effects freely
• Easy to use, yet powerful: grow with the user
NON-DESTRUCTIVE EDITS
• Effects are modifiable or reversible without quality loss
• Allow re-edits of processed images
RENDERSCRIPT (RS)
• Cool thingy that let you do fast image processing
TIMELINE
3 VERSIONS, 10 MONTHS
4.2 - NOVEMBER 2012
• Color FX (9 looks)
• 11 Borders
• Geometry: Straighten, Rotate, Crop, Mirror
• Filters & Tools
• Autocolor, Exposure, Vignette, Contrast, Shadows, Vibrance,
Sharpness (RS-based), Curves, Hue, Saturation, BW Filter
• Non-destructive edits (in the editor -- save create a copy)
• Exposed history
G+ EDITOR - MAY 2013
• RenderScript implementations of Snapseed filters
• Frames, Film, Drama, Retrolux
• Non-destructive
• Cloud-based (local processing only used for caching and UI
interactions)
4.3 - JULY 2013
• Move to RenderScript
• New 16 image-based borders (ported from Snapseed, RS-based)
• Filters & Tools
• Highlights, Improved Vignette
• Local adjustment (ported from Snapseed, RS-based)
• New Tablet UI, refined UI, introduction of the state panel instead of
the history panel