There's a moment every developer knows. You need to generate a PDF. It looks simple. You've done harder things. Three hours later, you're reading a Stack Overflow thread from 2016 that ends with "works on my machine." This post is about that moment — the actual options, what breaks in each, and where I landed after years of hitting this in production. It uses a stripped-down WebKit engine and conv
Flutter CustomPaint Deep Dive — Canvas API, Animations & Fragment Shaders When Flutter's standard widgets can't achieve the visual effect you need, CustomPaint unlocks the full power of the Canvas API — and with Fragment Shaders, you can push rendering directly to the GPU. class WaveChart extends StatelessWidget { final List<double> data; const WaveChart({required this.data}); @override