1. 1. Introduction
2. 2. Querystring API
   1. 2.1. Image Transforms
   2. 2.2. Image Filters
   3. 2.3. Image Encoding
   4. 2.4. Examples
3. 3. JSON Reference
   1. 3.1. Security
   2. 3.2. Decode
   3. 3.3. Encode
   4. 3.4. Constrain
   5. 3.5. Region
   6. 3.6. Crop Whitespace
   7. 3.7. Rotate & Flip
   8. 3.8. Fill Rectangle
   9. 3.9. Expand Canvas
   10. 3.10. Watermark
   11. 3.11. Command String
   12. 3.12. White Balance sRGB
   13. 3.13. Color Filter sRGB
   14. 3.14. Re-sampling Hints
   15. 3.15. Specifying Colors
   16. 3.16. Graph API
       1. 3.16.1. Create Canvas
       2. 3.16.2. Copy Rectangle
       3. 3.16.3. Draw Image Exact
4. 4. Using imageflow_tool