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Help => Graphics => Topic started by: ShadowDancer on October 24, 2009, 04:52:19 pm

Title: Masked Color?
Post by: ShadowDancer on October 24, 2009, 04:52:19 pm

What will be color of masked image?
I have image as button, and i want to decect when user click, but image have some masked parts. I tried with GetPixel, but it return hmm impossible values(at start it's 3,0,3,0. and r and b values increasing over time). Anyway to solve it?

Title: Masked Color?
Post by: Laurent on October 24, 2009, 05:51:53 pm

A transparent pixel will have its alpha value to 0 (for complete transparency).

Code: [Select]

bool inside = sprite.GetPixel(x, y).a > 0;

Title: Masked Color?
Post by: ShadowDancer on October 24, 2009, 06:05:57 pm

Ach, true. I switched 0 as full visible and 255 as no visible.