From b1311c29b6ef988ea56911292a651ae476f75324 Mon Sep 17 00:00:00 2001
From: faiface <faiface@ksp.sk>
Date: Wed, 1 Mar 2017 12:34:30 +0100
Subject: [PATCH] fix bug in PictureDataFromImage
---
data.go | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/data.go b/data.go
index 035e80d..5cb1d6d 100644
--- a/data.go
+++ b/data.go
@@ -160,11 +160,13 @@ func verticalFlip(nrgba *image.NRGBA) {
//
// The resulting PictureData's Bounds will be the equivalent of the supplied image.Image's Bounds.
func PictureDataFromImage(img image.Image) PictureData {
- nrgba := image.NewNRGBA(image.Rect(
- 0, 0,
- img.Bounds().Dx(), img.Bounds().Dy(),
- ))
- draw.Draw(nrgba, nrgba.Bounds(), img, img.Bounds().Min, draw.Src)
+ var nrgba *image.NRGBA
+ if img, ok := img.(*image.NRGBA); ok {
+ nrgba = img
+ } else {
+ nrgba = image.NewNRGBA(img.Bounds())
+ draw.Draw(nrgba, nrgba.Bounds(), img, img.Bounds().Min, draw.Src)
+ }
verticalFlip(nrgba)
--
GitLab