From 0644103ba158d45d3170687aa46b11175edbd760 Mon Sep 17 00:00:00 2001
From: faiface <faiface@ksp.sk>
Date: Tue, 28 Feb 2017 18:36:43 +0100
Subject: [PATCH] add clarifying comment

---
 data.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/data.go b/data.go
index 9ce26df..035e80d 100644
--- a/data.go
+++ b/data.go
@@ -202,6 +202,7 @@ func PictureDataFromPicture(pic Picture) PictureData {
 	if pic, ok := pic.(PictureColor); ok {
 		for y := math.Floor(bounds.Pos.Y()); y < bounds.Pos.Y()+bounds.Size.Y(); y++ {
 			for x := math.Floor(bounds.Pos.X()); x < bounds.Pos.X()+bounds.Size.X(); x++ {
+				// this together with the Floor is a trick to get all of the pixels
 				at := V(
 					math.Max(x, bounds.Pos.X()),
 					math.Max(y, bounds.Pos.Y()),
-- 
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