From 530d4981418210080923516058895561d9d074f1 Mon Sep 17 00:00:00 2001
From: nickago <ngonella@calpoly.edu>
Date: Tue, 4 Aug 2015 14:35:34 -0700
Subject: Drawing all images onto a white background, thus removing
 transparency

---
 api/file.go | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'api/file.go')

diff --git a/api/file.go b/api/file.go
index 4ec421eb9..bf1c59422 100644
--- a/api/file.go
+++ b/api/file.go
@@ -15,6 +15,8 @@ import (
 	"github.com/nfnt/resize"
 	_ "golang.org/x/image/bmp"
 	"image"
+	"image/color"
+	"image/draw"
 	_ "image/gif"
 	"image/jpeg"
 	"io"
@@ -138,6 +140,12 @@ func fireAndForgetHandleImages(filenames []string, fileData [][]byte, teamId, ch
 					return
 				}
 
+				// Remove transparency due to JPEG's lack of support of it
+				temp := image.NewRGBA(img.Bounds())
+				draw.Draw(temp, temp.Bounds(), image.NewUniform(color.White), image.Point{}, draw.Src)
+				draw.Draw(temp, temp.Bounds(), img, img.Bounds().Min, draw.Over)
+				img = temp
+
 				// Create thumbnail
 				go func() {
 					thumbWidth := float64(utils.Cfg.ImageSettings.ThumbnailWidth)
-- 
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