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Computer Graphics in Python and Pycairo

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1.Introduction

Foreword Prerequisite

2.Introduction to Vector Graphics

Pixel Images Resizing and Drawing on Pixel Images Vector Graphics Advantages and Disadvantages Common Vector Formats Quiz

3.Basic Drawing Operations

Learning Objectives Creating an Image with Pycairo Fill and Stroke Open and Closed Shapes Circle and Curves Line Styles Quiz Challenge

4.Paths and Complex Shapes

Learning Objectives Paths Lines Polygons Arcs Bezier Curves Function Curves Rectangle Quiz Challenge

5.Computer Color

Learning Objectives RGB Color Pycairo RGB Colors CSS Named Colors Transparency Greyscale Images and More Quiz

6.Transforms and State

Learning Objectives User Space and Device Space Translation Scaling Rotation Save and Restore Correcting Unequal Scaling Flipping Current Transform Matrix Quiz Challenge 1 Challenge 2

7.Working with Text

Learning Objectives Text Is Just Shapes Font Size Font Style Text Extents Text Alignment Quiz Challenge

8.Gradients and Image Fills

Learning Objectives Patterns SolidPattern LinearGradient More on LinearGradient Filling Text and Stroke with Gradient RadialGradient Working with Images Using SurfacePattern with Vectors Quiz Challenge

9.Clipping, Masking and Compositing

Learning Objectives Clipping More on Clipping Masking Compositing Color Adjustments Quiz Challenge

10.Surfaces and Output Formats

Learning Objectives Output Formats Other Surfaces Quiz

11.Integration with Other Libraries

Storing Image Data PIL (Pillow) Integration Numpy Integration Quiz

12.Conclusion

Computer Graphics in Python and Pycairo

Filling Text and Stroke with Gradient

Learn how to fill text and stroke with gradient.

We'll cover the following...

Filling stroke
Filling text

Filling stroke

Remember that when we apply a stroke to a path, the stroke itself is a shape in its own right. We can paint the stroke with a gradient. It tends to work best ...