Story Category: alphablend
VOTETTransparentCanvas: changing the background color of glowing text
Dave
You have probably already seen how to use DrawThemeTextEx on Vista and above to draw text with a white blurry ‘glow’ effect behind it. It’s commonly used when drawing on glass, to ensure that text… … Read more
11 years ago in alpha transparency, alphablend, Delphi, drawthemetextex, ttransparentcanvas
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Transparent graphics with pure GDI (Part 2) – and introducing the TTransparentCanvas class
Dave
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… … Read more
12 years ago in alpha transparency, alphablend, Delphi, ttransparentcanvas
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Transparent graphics with pure GDI (Part 1 1/2)
Dave
Last post, I said that the next part of my transparent graphics series would be Part 2, and would introduce a class I’ve written to simplify drawing to glass, drawing partially transparent shapes and text,… … Read more
13 years ago in alpha transparency, alphablend, gd+, selection
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Transparent graphics with pure GDI (Part 1)
Dave
Transparent graphics are used everywhere these days. Half the UIs you will have used today will have made some use of composited graphics, overlays, or something similar. You’ve probably seen: Selections with transparent rectangles or… … Read more
13 years ago in alpha transparency, alphablend, Delphi, ttransparentcanvas
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