TransformableBrush for Efficient Brush Animations in Jetpack ComposeTransformableBrush is a custom ShaderBrush that allows for efficient, dynamic transformations on brush animations without needing to recreate the brush each frame. A solid understanding of brush and shader basics is recommended to get the most out of this guide.
Here's what we'll cover:
1. The Draw Allocation Issue: Understanding why recreating the brush for each frame slows rendering.
2. A Basic Shimmer Effect: Building a simple animated shimmer in Compose.
3. Introducing TransformableBrush: A reusable ShaderBrush which uses Local Matrix to apply transformations.
4. Gradient Animations: Using TransformableBrush to smoothly transition across multiple gradients.
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