Transparent graphics with pure GDI (Part 2) – and introducing the TTransparentCanvas class
This is part 2 of a short series that examines alpha-aware graphics using native GDI only – not GDI+, not DirectX, and not with any other custom non-GDI graphics implementation.This post will cover: Non-rectangular drawing Handling GDI’s clobbering of the alpha channel Better use of per-pixel alpha (based on what’s drawn, which is more useful […]