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### 4.1.1 What you will learn in this chapter

1. The principle of generating dynamic images in PHP
2. How to choose a specific image format (e.g. JPG, PNG, GIF)
3. Various ways of using the generated image, streaming it back to the browser, sending it to a file or getting hold of the image handle for further post processing
4. How to specify fonts (both bit-mapped and TTF) in JpGraph
5. How to extend JpGraph with your own fonts
6. How to work with Cyrillic fonts
7. How to specify colors in JpGraph
8. List all available named colors in JpGraph
9. How to effectively use the built in cache schema in JpGraph

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