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			704 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			704 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2019 The Hugo Authors. All rights reserved.
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| //
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| // http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| 
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| package resources
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| 
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| import (
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| 	"fmt"
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| 	"image"
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| 	"io/ioutil"
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| 	"math/big"
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| 	"math/rand"
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| 	"os"
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| 	"path"
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| 	"path/filepath"
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| 	"runtime"
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| 	"strconv"
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| 	"sync"
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| 	"testing"
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| 	"time"
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| 
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| 	"github.com/spf13/afero"
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| 
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| 	"github.com/disintegration/gift"
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| 
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| 	"github.com/gohugoio/hugo/helpers"
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| 
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| 	"github.com/gohugoio/hugo/media"
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| 	"github.com/gohugoio/hugo/resources/images"
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| 	"github.com/gohugoio/hugo/resources/resource"
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| 	"github.com/google/go-cmp/cmp"
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| 
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| 	"github.com/gohugoio/hugo/htesting/hqt"
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| 
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| 	qt "github.com/frankban/quicktest"
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| )
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| 
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| var eq = qt.CmpEquals(
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| 	cmp.Comparer(func(p1, p2 *resourceAdapter) bool {
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| 		return p1.resourceAdapterInner == p2.resourceAdapterInner
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| 	}),
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| 	cmp.Comparer(func(p1, p2 os.FileInfo) bool {
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| 		return p1.Name() == p2.Name() && p1.Size() == p2.Size() && p1.IsDir() == p2.IsDir()
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| 	}),
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| 	cmp.Comparer(func(p1, p2 *genericResource) bool { return p1 == p2 }),
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| 	cmp.Comparer(func(m1, m2 media.Type) bool {
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| 		return m1.Type() == m2.Type()
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| 	}),
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| 	cmp.Comparer(
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| 		func(v1, v2 *big.Rat) bool {
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| 			return v1.RatString() == v2.RatString()
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| 		},
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| 	),
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| 	cmp.Comparer(func(v1, v2 time.Time) bool {
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| 		return v1.Unix() == v2.Unix()
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| 	}),
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| )
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| 
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| func TestImageTransformBasic(t *testing.T) {
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| 	c := qt.New(t)
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| 
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| 	image := fetchSunset(c)
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| 
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| 	fileCache := image.(specProvider).getSpec().FileCaches.ImageCache().Fs
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| 
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| 	assertWidthHeight := func(img resource.Image, w, h int) {
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| 		c.Helper()
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| 		c.Assert(img, qt.Not(qt.IsNil))
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| 		c.Assert(img.Width(), qt.Equals, w)
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| 		c.Assert(img.Height(), qt.Equals, h)
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| 	}
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| 
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| 	c.Assert(image.RelPermalink(), qt.Equals, "/a/sunset.jpg")
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| 	c.Assert(image.ResourceType(), qt.Equals, "image")
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| 	assertWidthHeight(image, 900, 562)
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| 
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| 	resized, err := image.Resize("300x200")
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| 	c.Assert(err, qt.IsNil)
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| 	c.Assert(image != resized, qt.Equals, true)
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| 	c.Assert(image, qt.Not(eq), resized)
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| 	assertWidthHeight(resized, 300, 200)
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| 	assertWidthHeight(image, 900, 562)
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| 
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| 	resized0x, err := image.Resize("x200")
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| 	c.Assert(err, qt.IsNil)
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| 	assertWidthHeight(resized0x, 320, 200)
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| 	assertFileCache(c, fileCache, path.Base(resized0x.RelPermalink()), 320, 200)
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| 
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| 	resizedx0, err := image.Resize("200x")
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| 	c.Assert(err, qt.IsNil)
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| 	assertWidthHeight(resizedx0, 200, 125)
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| 	assertFileCache(c, fileCache, path.Base(resizedx0.RelPermalink()), 200, 125)
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| 
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| 	resizedAndRotated, err := image.Resize("x200 r90")
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| 	c.Assert(err, qt.IsNil)
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| 	assertWidthHeight(resizedAndRotated, 125, 200)
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| 
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| 	assertWidthHeight(resized, 300, 200)
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| 	c.Assert(resized.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_300x200_resize_q68_linear.jpg")
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| 
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| 	fitted, err := resized.Fit("50x50")
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| 	c.Assert(err, qt.IsNil)
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| 	c.Assert(fitted.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_625708021e2bb281c9f1002f88e4753f.jpg")
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| 	assertWidthHeight(fitted, 50, 33)
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| 
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| 	// Check the MD5 key threshold
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| 	fittedAgain, _ := fitted.Fit("10x20")
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| 	fittedAgain, err = fittedAgain.Fit("10x20")
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| 	c.Assert(err, qt.IsNil)
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| 	c.Assert(fittedAgain.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_3f65ba24dc2b7fba0f56d7f104519157.jpg")
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| 	assertWidthHeight(fittedAgain, 10, 7)
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| 
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| 	filled, err := image.Fill("200x100 bottomLeft")
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| 	c.Assert(err, qt.IsNil)
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| 	c.Assert(filled.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x100_fill_q68_linear_bottomleft.jpg")
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| 	assertWidthHeight(filled, 200, 100)
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| 
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| 	smart, err := image.Fill("200x100 smart")
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| 	c.Assert(err, qt.IsNil)
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| 	c.Assert(smart.RelPermalink(), qt.Equals, fmt.Sprintf("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x100_fill_q68_linear_smart%d.jpg", 1))
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| 	assertWidthHeight(smart, 200, 100)
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| 
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| 	// Check cache
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| 	filledAgain, err := image.Fill("200x100 bottomLeft")
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| 	c.Assert(err, qt.IsNil)
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| 	c.Assert(filled, eq, filledAgain)
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| }
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| 
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| func TestImageTransformFormat(t *testing.T) {
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| 	c := qt.New(t)
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| 
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| 	image := fetchSunset(c)
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| 
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| 	fileCache := image.(specProvider).getSpec().FileCaches.ImageCache().Fs
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| 
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| 	assertExtWidthHeight := func(img resource.Image, ext string, w, h int) {
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| 		c.Helper()
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| 		c.Assert(img, qt.Not(qt.IsNil))
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| 		c.Assert(helpers.Ext(img.RelPermalink()), qt.Equals, ext)
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| 		c.Assert(img.Width(), qt.Equals, w)
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| 		c.Assert(img.Height(), qt.Equals, h)
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| 	}
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| 
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| 	c.Assert(image.RelPermalink(), qt.Equals, "/a/sunset.jpg")
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| 	c.Assert(image.ResourceType(), qt.Equals, "image")
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| 	assertExtWidthHeight(image, ".jpg", 900, 562)
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| 
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| 	imagePng, err := image.Resize("450x png")
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| 	c.Assert(err, qt.IsNil)
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| 	c.Assert(imagePng.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_450x0_resize_linear.png")
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| 	c.Assert(imagePng.ResourceType(), qt.Equals, "image")
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| 	assertExtWidthHeight(imagePng, ".png", 450, 281)
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| 	c.Assert(imagePng.Name(), qt.Equals, "sunset.jpg")
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| 	c.Assert(imagePng.MediaType().String(), qt.Equals, "image/png")
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| 
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| 	assertFileCache(c, fileCache, path.Base(imagePng.RelPermalink()), 450, 281)
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| 
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| 	imageGif, err := image.Resize("225x gif")
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| 	c.Assert(err, qt.IsNil)
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| 	c.Assert(imageGif.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_225x0_resize_linear.gif")
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| 	c.Assert(imageGif.ResourceType(), qt.Equals, "image")
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| 	assertExtWidthHeight(imageGif, ".gif", 225, 141)
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| 	c.Assert(imageGif.Name(), qt.Equals, "sunset.jpg")
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| 	c.Assert(imageGif.MediaType().String(), qt.Equals, "image/gif")
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| 
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| 	assertFileCache(c, fileCache, path.Base(imageGif.RelPermalink()), 225, 141)
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| }
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| 
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| // https://github.com/gohugoio/hugo/issues/4261
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| func TestImageTransformLongFilename(t *testing.T) {
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| 	c := qt.New(t)
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| 
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| 	image := fetchImage(c, "1234567890qwertyuiopasdfghjklzxcvbnm5to6eeeeee7via8eleph.jpg")
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| 	c.Assert(image, qt.Not(qt.IsNil))
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| 
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| 	resized, err := image.Resize("200x")
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| 	c.Assert(err, qt.IsNil)
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| 	c.Assert(resized, qt.Not(qt.IsNil))
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| 	c.Assert(resized.Width(), qt.Equals, 200)
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| 	c.Assert(resized.RelPermalink(), qt.Equals, "/a/_hu59e56ffff1bc1d8d122b1403d34e039f_90587_65b757a6e14debeae720fe8831f0a9bc.jpg")
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| 	resized, err = resized.Resize("100x")
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| 	c.Assert(err, qt.IsNil)
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| 	c.Assert(resized, qt.Not(qt.IsNil))
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| 	c.Assert(resized.Width(), qt.Equals, 100)
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| 	c.Assert(resized.RelPermalink(), qt.Equals, "/a/_hu59e56ffff1bc1d8d122b1403d34e039f_90587_c876768085288f41211f768147ba2647.jpg")
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| }
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| 
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| // Issue 6137
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| func TestImageTransformUppercaseExt(t *testing.T) {
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| 	c := qt.New(t)
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| 	image := fetchImage(c, "sunrise.JPG")
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| 
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| 	resized, err := image.Resize("200x")
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| 	c.Assert(err, qt.IsNil)
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| 	c.Assert(resized, qt.Not(qt.IsNil))
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| 	c.Assert(resized.Width(), qt.Equals, 200)
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| }
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| 
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| // https://github.com/gohugoio/hugo/issues/5730
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| func TestImagePermalinkPublishOrder(t *testing.T) {
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| 	for _, checkOriginalFirst := range []bool{true, false} {
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| 		name := "OriginalFirst"
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| 		if !checkOriginalFirst {
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| 			name = "ResizedFirst"
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| 		}
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| 
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| 		t.Run(name, func(t *testing.T) {
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| 			c := qt.New(t)
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| 			spec, workDir := newTestResourceOsFs(c)
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| 			defer func() {
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| 				os.Remove(workDir)
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| 			}()
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| 
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| 			check1 := func(img resource.Image) {
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| 				resizedLink := "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_100x50_resize_q75_box.jpg"
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| 				c.Assert(img.RelPermalink(), qt.Equals, resizedLink)
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| 				assertImageFile(c, spec.PublishFs, resizedLink, 100, 50)
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| 			}
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| 
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| 			check2 := func(img resource.Image) {
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| 				c.Assert(img.RelPermalink(), qt.Equals, "/a/sunset.jpg")
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| 				assertImageFile(c, spec.PublishFs, "a/sunset.jpg", 900, 562)
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| 			}
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| 
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| 			orignal := fetchImageForSpec(spec, c, "sunset.jpg")
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| 			c.Assert(orignal, qt.Not(qt.IsNil))
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| 
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| 			if checkOriginalFirst {
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| 				check2(orignal)
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| 			}
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| 
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| 			resized, err := orignal.Resize("100x50")
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| 			c.Assert(err, qt.IsNil)
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| 
 | |
| 			check1(resized.(resource.Image))
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| 
 | |
| 			if !checkOriginalFirst {
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| 				check2(orignal)
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| 			}
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| 		})
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| 	}
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| }
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| 
 | |
| func TestImageTransformConcurrent(t *testing.T) {
 | |
| 	var wg sync.WaitGroup
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| 
 | |
| 	c := qt.New(t)
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| 
 | |
| 	spec, workDir := newTestResourceOsFs(c)
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| 	defer func() {
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| 		os.Remove(workDir)
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| 	}()
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| 
 | |
| 	image := fetchImageForSpec(spec, c, "sunset.jpg")
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| 
 | |
| 	for i := 0; i < 4; i++ {
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| 		wg.Add(1)
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| 		go func(id int) {
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| 			defer wg.Done()
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| 			for j := 0; j < 5; j++ {
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| 				img := image
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| 				for k := 0; k < 2; k++ {
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| 					r1, err := img.Resize(fmt.Sprintf("%dx", id-k))
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| 					if err != nil {
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| 						t.Error(err)
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| 					}
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| 
 | |
| 					if r1.Width() != id-k {
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| 						t.Errorf("Width: %d:%d", r1.Width(), j)
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| 					}
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| 
 | |
| 					r2, err := r1.Resize(fmt.Sprintf("%dx", id-k-1))
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| 					if err != nil {
 | |
| 						t.Error(err)
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| 					}
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| 
 | |
| 					img = r2
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| 				}
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| 			}
 | |
| 		}(i + 20)
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| 	}
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| 
 | |
| 	wg.Wait()
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| }
 | |
| 
 | |
| func TestImageWithMetadata(t *testing.T) {
 | |
| 	c := qt.New(t)
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| 
 | |
| 	image := fetchSunset(c)
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| 
 | |
| 	meta := []map[string]interface{}{
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| 		{
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| 			"title": "My Sunset",
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| 			"name":  "Sunset #:counter",
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| 			"src":   "*.jpg",
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| 		},
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| 	}
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| 
 | |
| 	c.Assert(AssignMetadata(meta, image), qt.IsNil)
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| 	c.Assert(image.Name(), qt.Equals, "Sunset #1")
 | |
| 
 | |
| 	resized, err := image.Resize("200x")
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| 	c.Assert(err, qt.IsNil)
 | |
| 	c.Assert(resized.Name(), qt.Equals, "Sunset #1")
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| }
 | |
| 
 | |
| func TestImageResize8BitPNG(t *testing.T) {
 | |
| 	c := qt.New(t)
 | |
| 
 | |
| 	image := fetchImage(c, "gohugoio.png")
 | |
| 
 | |
| 	c.Assert(image.MediaType().Type(), qt.Equals, "image/png")
 | |
| 	c.Assert(image.RelPermalink(), qt.Equals, "/a/gohugoio.png")
 | |
| 	c.Assert(image.ResourceType(), qt.Equals, "image")
 | |
| 	c.Assert(image.Exif(), qt.IsNil)
 | |
| 
 | |
| 	resized, err := image.Resize("800x")
 | |
| 	c.Assert(err, qt.IsNil)
 | |
| 	c.Assert(resized.MediaType().Type(), qt.Equals, "image/png")
 | |
| 	c.Assert(resized.RelPermalink(), qt.Equals, "/a/gohugoio_hu0e1b9e4a4be4d6f86c7b37b9ccce3fbc_73886_800x0_resize_linear_2.png")
 | |
| 	c.Assert(resized.Width(), qt.Equals, 800)
 | |
| }
 | |
| 
 | |
| func TestImageResizeInSubPath(t *testing.T) {
 | |
| 	c := qt.New(t)
 | |
| 
 | |
| 	image := fetchImage(c, "sub/gohugoio2.png")
 | |
| 
 | |
| 	c.Assert(image.MediaType(), eq, media.PNGType)
 | |
| 	c.Assert(image.RelPermalink(), qt.Equals, "/a/sub/gohugoio2.png")
 | |
| 	c.Assert(image.ResourceType(), qt.Equals, "image")
 | |
| 	c.Assert(image.Exif(), qt.IsNil)
 | |
| 
 | |
| 	resized, err := image.Resize("101x101")
 | |
| 	c.Assert(err, qt.IsNil)
 | |
| 	c.Assert(resized.MediaType().Type(), qt.Equals, "image/png")
 | |
| 	c.Assert(resized.RelPermalink(), qt.Equals, "/a/sub/gohugoio2_hu0e1b9e4a4be4d6f86c7b37b9ccce3fbc_73886_101x101_resize_linear_2.png")
 | |
| 	c.Assert(resized.Width(), qt.Equals, 101)
 | |
| 	c.Assert(resized.Exif(), qt.IsNil)
 | |
| 
 | |
| 	publishedImageFilename := filepath.Clean(resized.RelPermalink())
 | |
| 
 | |
| 	spec := image.(specProvider).getSpec()
 | |
| 
 | |
| 	assertImageFile(c, spec.BaseFs.PublishFs, publishedImageFilename, 101, 101)
 | |
| 	c.Assert(spec.BaseFs.PublishFs.Remove(publishedImageFilename), qt.IsNil)
 | |
| 
 | |
| 	// Cleare mem cache to simulate reading from the file cache.
 | |
| 	spec.imageCache.clear()
 | |
| 
 | |
| 	resizedAgain, err := image.Resize("101x101")
 | |
| 	c.Assert(err, qt.IsNil)
 | |
| 	c.Assert(resizedAgain.RelPermalink(), qt.Equals, "/a/sub/gohugoio2_hu0e1b9e4a4be4d6f86c7b37b9ccce3fbc_73886_101x101_resize_linear_2.png")
 | |
| 	c.Assert(resizedAgain.Width(), qt.Equals, 101)
 | |
| 	assertImageFile(c, image.(specProvider).getSpec().BaseFs.PublishFs, publishedImageFilename, 101, 101)
 | |
| }
 | |
| 
 | |
| func TestSVGImage(t *testing.T) {
 | |
| 	c := qt.New(t)
 | |
| 	spec := newTestResourceSpec(specDescriptor{c: c})
 | |
| 	svg := fetchResourceForSpec(spec, c, "circle.svg")
 | |
| 	c.Assert(svg, qt.Not(qt.IsNil))
 | |
| }
 | |
| 
 | |
| func TestSVGImageContent(t *testing.T) {
 | |
| 	c := qt.New(t)
 | |
| 	spec := newTestResourceSpec(specDescriptor{c: c})
 | |
| 	svg := fetchResourceForSpec(spec, c, "circle.svg")
 | |
| 	c.Assert(svg, qt.Not(qt.IsNil))
 | |
| 
 | |
| 	content, err := svg.Content()
 | |
| 	c.Assert(err, qt.IsNil)
 | |
| 	c.Assert(content, hqt.IsSameType, "")
 | |
| 	c.Assert(content.(string), qt.Contains, `<svg height="100" width="100">`)
 | |
| }
 | |
| 
 | |
| func TestImageExif(t *testing.T) {
 | |
| 	c := qt.New(t)
 | |
| 	fs := afero.NewMemMapFs()
 | |
| 	spec := newTestResourceSpec(specDescriptor{fs: fs, c: c})
 | |
| 	image := fetchResourceForSpec(spec, c, "sunset.jpg").(resource.Image)
 | |
| 
 | |
| 	getAndCheckExif := func(c *qt.C, image resource.Image) {
 | |
| 		x := image.Exif()
 | |
| 		c.Assert(x, qt.Not(qt.IsNil))
 | |
| 
 | |
| 		c.Assert(x.Date.Format("2006-01-02"), qt.Equals, "2017-10-27")
 | |
| 
 | |
| 		// Malaga: https://goo.gl/taazZy
 | |
| 		c.Assert(x.Lat, qt.Equals, float64(36.59744166666667))
 | |
| 		c.Assert(x.Long, qt.Equals, float64(-4.50846))
 | |
| 
 | |
| 		v, found := x.Tags["LensModel"]
 | |
| 		c.Assert(found, qt.Equals, true)
 | |
| 		lensModel, ok := v.(string)
 | |
| 		c.Assert(ok, qt.Equals, true)
 | |
| 		c.Assert(lensModel, qt.Equals, "smc PENTAX-DA* 16-50mm F2.8 ED AL [IF] SDM")
 | |
| 		resized, _ := image.Resize("300x200")
 | |
| 		x2 := resized.Exif()
 | |
| 		c.Assert(x2, eq, x)
 | |
| 	}
 | |
| 
 | |
| 	getAndCheckExif(c, image)
 | |
| 	image = fetchResourceForSpec(spec, c, "sunset.jpg").(resource.Image)
 | |
| 	// This will read from file cache.
 | |
| 	getAndCheckExif(c, image)
 | |
| 
 | |
| }
 | |
| 
 | |
| func BenchmarkImageExif(b *testing.B) {
 | |
| 
 | |
| 	getImages := func(c *qt.C, b *testing.B, fs afero.Fs) []resource.Image {
 | |
| 		spec := newTestResourceSpec(specDescriptor{fs: fs, c: c})
 | |
| 		images := make([]resource.Image, b.N)
 | |
| 		for i := 0; i < b.N; i++ {
 | |
| 			images[i] = fetchResourceForSpec(spec, c, "sunset.jpg", strconv.Itoa(i)).(resource.Image)
 | |
| 		}
 | |
| 		return images
 | |
| 	}
 | |
| 
 | |
| 	getAndCheckExif := func(c *qt.C, image resource.Image) {
 | |
| 		x := image.Exif()
 | |
| 		c.Assert(x, qt.Not(qt.IsNil))
 | |
| 		c.Assert(x.Long, qt.Equals, float64(-4.50846))
 | |
| 
 | |
| 	}
 | |
| 
 | |
| 	b.Run("Cold cache", func(b *testing.B) {
 | |
| 		b.StopTimer()
 | |
| 		c := qt.New(b)
 | |
| 		images := getImages(c, b, afero.NewMemMapFs())
 | |
| 
 | |
| 		b.StartTimer()
 | |
| 		for i := 0; i < b.N; i++ {
 | |
| 			getAndCheckExif(c, images[i])
 | |
| 		}
 | |
| 
 | |
| 	})
 | |
| 
 | |
| 	b.Run("Cold cache, 10", func(b *testing.B) {
 | |
| 		b.StopTimer()
 | |
| 		c := qt.New(b)
 | |
| 		images := getImages(c, b, afero.NewMemMapFs())
 | |
| 
 | |
| 		b.StartTimer()
 | |
| 		for i := 0; i < b.N; i++ {
 | |
| 			for j := 0; j < 10; j++ {
 | |
| 				getAndCheckExif(c, images[i])
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 	})
 | |
| 
 | |
| 	b.Run("Warm cache", func(b *testing.B) {
 | |
| 		b.StopTimer()
 | |
| 		c := qt.New(b)
 | |
| 		fs := afero.NewMemMapFs()
 | |
| 		images := getImages(c, b, fs)
 | |
| 		for i := 0; i < b.N; i++ {
 | |
| 			getAndCheckExif(c, images[i])
 | |
| 		}
 | |
| 
 | |
| 		images = getImages(c, b, fs)
 | |
| 
 | |
| 		b.StartTimer()
 | |
| 		for i := 0; i < b.N; i++ {
 | |
| 			getAndCheckExif(c, images[i])
 | |
| 		}
 | |
| 
 | |
| 	})
 | |
| 
 | |
| }
 | |
| 
 | |
| // usesFMA indicates whether "fused multiply and add" (FMA) instruction is
 | |
| // used.  The command "grep FMADD go/test/codegen/floats.go" can help keep
 | |
| // the FMA-using architecture list updated.
 | |
| var usesFMA = runtime.GOARCH == "s390x" ||
 | |
| 	runtime.GOARCH == "ppc64" ||
 | |
| 	runtime.GOARCH == "ppc64le" ||
 | |
| 	runtime.GOARCH == "arm64"
 | |
| 
 | |
| // goldenEqual compares two NRGBA images.  It is used in golden tests only.
 | |
| // A small tolerance is allowed on architectures using "fused multiply and add"
 | |
| // (FMA) instruction to accommodate for floating-point rounding differences
 | |
| // with control golden images that were generated on amd64 architecture.
 | |
| // See https://golang.org/ref/spec#Floating_point_operators
 | |
| // and https://github.com/gohugoio/hugo/issues/6387 for more information.
 | |
| //
 | |
| // Borrowed from https://github.com/disintegration/gift/blob/a999ff8d5226e5ab14b64a94fca07c4ac3f357cf/gift_test.go#L598-L625
 | |
| // Copyright (c) 2014-2019 Grigory Dryapak
 | |
| // Licensed under the MIT License.
 | |
| func goldenEqual(img1, img2 *image.NRGBA) bool {
 | |
| 	maxDiff := 0
 | |
| 	if usesFMA {
 | |
| 		maxDiff = 1
 | |
| 	}
 | |
| 	if !img1.Rect.Eq(img2.Rect) {
 | |
| 		return false
 | |
| 	}
 | |
| 	if len(img1.Pix) != len(img2.Pix) {
 | |
| 		return false
 | |
| 	}
 | |
| 	for i := 0; i < len(img1.Pix); i++ {
 | |
| 		diff := int(img1.Pix[i]) - int(img2.Pix[i])
 | |
| 		if diff < 0 {
 | |
| 			diff = -diff
 | |
| 		}
 | |
| 		if diff > maxDiff {
 | |
| 			return false
 | |
| 		}
 | |
| 	}
 | |
| 	return true
 | |
| }
 | |
| 
 | |
| func TestImageOperationsGolden(t *testing.T) {
 | |
| 	c := qt.New(t)
 | |
| 	c.Parallel()
 | |
| 
 | |
| 	devMode := false
 | |
| 
 | |
| 	testImages := []string{"sunset.jpg", "gohugoio8.png", "gohugoio24.png"}
 | |
| 
 | |
| 	spec, workDir := newTestResourceOsFs(c)
 | |
| 	defer func() {
 | |
| 		if !devMode {
 | |
| 			os.Remove(workDir)
 | |
| 		}
 | |
| 	}()
 | |
| 
 | |
| 	if devMode {
 | |
| 		fmt.Println(workDir)
 | |
| 	}
 | |
| 
 | |
| 	// Test PNGs with alpha channel.
 | |
| 	for _, img := range []string{"gopher-hero8.png", "gradient-circle.png"} {
 | |
| 		orig := fetchImageForSpec(spec, c, img)
 | |
| 		for _, resizeSpec := range []string{"200x #e3e615", "200x jpg #e3e615"} {
 | |
| 			resized, err := orig.Resize(resizeSpec)
 | |
| 			c.Assert(err, qt.IsNil)
 | |
| 			rel := resized.RelPermalink()
 | |
| 			c.Log("resize", rel)
 | |
| 			c.Assert(rel, qt.Not(qt.Equals), "")
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	for _, img := range testImages {
 | |
| 
 | |
| 		orig := fetchImageForSpec(spec, c, img)
 | |
| 		for _, resizeSpec := range []string{"200x100", "600x", "200x r90 q50 Box"} {
 | |
| 			resized, err := orig.Resize(resizeSpec)
 | |
| 			c.Assert(err, qt.IsNil)
 | |
| 			rel := resized.RelPermalink()
 | |
| 			c.Log("resize", rel)
 | |
| 			c.Assert(rel, qt.Not(qt.Equals), "")
 | |
| 		}
 | |
| 
 | |
| 		for _, fillSpec := range []string{"300x200 Gaussian Smart", "100x100 Center", "300x100 TopLeft NearestNeighbor", "400x200 BottomLeft"} {
 | |
| 			resized, err := orig.Fill(fillSpec)
 | |
| 			c.Assert(err, qt.IsNil)
 | |
| 			rel := resized.RelPermalink()
 | |
| 			c.Log("fill", rel)
 | |
| 			c.Assert(rel, qt.Not(qt.Equals), "")
 | |
| 		}
 | |
| 
 | |
| 		for _, fitSpec := range []string{"300x200 Linear"} {
 | |
| 			resized, err := orig.Fit(fitSpec)
 | |
| 			c.Assert(err, qt.IsNil)
 | |
| 			rel := resized.RelPermalink()
 | |
| 			c.Log("fit", rel)
 | |
| 			c.Assert(rel, qt.Not(qt.Equals), "")
 | |
| 		}
 | |
| 
 | |
| 		f := &images.Filters{}
 | |
| 
 | |
| 		filters := []gift.Filter{
 | |
| 			f.Grayscale(),
 | |
| 			f.GaussianBlur(6),
 | |
| 			f.Saturation(50),
 | |
| 			f.Sepia(100),
 | |
| 			f.Brightness(30),
 | |
| 			f.ColorBalance(10, -10, -10),
 | |
| 			f.Colorize(240, 50, 100),
 | |
| 			f.Gamma(1.5),
 | |
| 			f.UnsharpMask(1, 1, 0),
 | |
| 			f.Sigmoid(0.5, 7),
 | |
| 			f.Pixelate(5),
 | |
| 			f.Invert(),
 | |
| 			f.Hue(22),
 | |
| 			f.Contrast(32.5),
 | |
| 		}
 | |
| 
 | |
| 		resized, err := orig.Fill("400x200 center")
 | |
| 		c.Assert(err, qt.IsNil)
 | |
| 
 | |
| 		for _, filter := range filters {
 | |
| 			resized, err := resized.Filter(filter)
 | |
| 			c.Assert(err, qt.IsNil)
 | |
| 			rel := resized.RelPermalink()
 | |
| 			c.Logf("filter: %v %s", filter, rel)
 | |
| 			c.Assert(rel, qt.Not(qt.Equals), "")
 | |
| 		}
 | |
| 
 | |
| 		resized, err = resized.Filter(filters[0:4])
 | |
| 		c.Assert(err, qt.IsNil)
 | |
| 		rel := resized.RelPermalink()
 | |
| 		c.Log("filter all", rel)
 | |
| 		c.Assert(rel, qt.Not(qt.Equals), "")
 | |
| 	}
 | |
| 
 | |
| 	if devMode {
 | |
| 		return
 | |
| 	}
 | |
| 
 | |
| 	dir1 := filepath.Join(workDir, "resources/_gen/images")
 | |
| 	dir2 := filepath.FromSlash("testdata/golden")
 | |
| 
 | |
| 	// The two dirs above should now be the same.
 | |
| 	dirinfos1, err := ioutil.ReadDir(dir1)
 | |
| 	c.Assert(err, qt.IsNil)
 | |
| 	dirinfos2, err := ioutil.ReadDir(dir2)
 | |
| 	c.Assert(err, qt.IsNil)
 | |
| 	c.Assert(len(dirinfos1), qt.Equals, len(dirinfos2))
 | |
| 
 | |
| 	for i, fi1 := range dirinfos1 {
 | |
| 		fi2 := dirinfos2[i]
 | |
| 		c.Assert(fi1.Name(), qt.Equals, fi2.Name())
 | |
| 
 | |
| 		f1, err := os.Open(filepath.Join(dir1, fi1.Name()))
 | |
| 		c.Assert(err, qt.IsNil)
 | |
| 		f2, err := os.Open(filepath.Join(dir2, fi2.Name()))
 | |
| 		c.Assert(err, qt.IsNil)
 | |
| 
 | |
| 		img1, _, err := image.Decode(f1)
 | |
| 		c.Assert(err, qt.IsNil)
 | |
| 		img2, _, err := image.Decode(f2)
 | |
| 		c.Assert(err, qt.IsNil)
 | |
| 
 | |
| 		nrgba1 := image.NewNRGBA(img1.Bounds())
 | |
| 		gift.New().Draw(nrgba1, img1)
 | |
| 		nrgba2 := image.NewNRGBA(img2.Bounds())
 | |
| 		gift.New().Draw(nrgba2, img2)
 | |
| 
 | |
| 		if !goldenEqual(nrgba1, nrgba2) {
 | |
| 			switch fi1.Name() {
 | |
| 			case "gohugoio8_hu7f72c00afdf7634587afaa5eff2a25b2_73538_4c320010919da2d8b63ed24818b4d8e1.png",
 | |
| 				"gohugoio8_hu7f72c00afdf7634587afaa5eff2a25b2_73538_9d4c2220235b3c2d9fa6506be571560f.png",
 | |
| 				"gohugoio8_hu7f72c00afdf7634587afaa5eff2a25b2_73538_c74bb417b961e09cf1aac2130b7b9b85.png",
 | |
| 				"gohugoio8_hu7f72c00afdf7634587afaa5eff2a25b2_73538_300x200_fill_gaussian_smart1_2.png":
 | |
| 				c.Log("expectedly differs from golden due to dithering:", fi1.Name())
 | |
| 			default:
 | |
| 				t.Errorf("resulting image differs from golden: %s", fi1.Name())
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		if !usesFMA {
 | |
| 			c.Assert(fi1, eq, fi2)
 | |
| 
 | |
| 			_, err = f1.Seek(0, 0)
 | |
| 			c.Assert(err, qt.IsNil)
 | |
| 			_, err = f2.Seek(0, 0)
 | |
| 			c.Assert(err, qt.IsNil)
 | |
| 
 | |
| 			hash1, err := helpers.MD5FromReader(f1)
 | |
| 			c.Assert(err, qt.IsNil)
 | |
| 			hash2, err := helpers.MD5FromReader(f2)
 | |
| 			c.Assert(err, qt.IsNil)
 | |
| 
 | |
| 			c.Assert(hash1, qt.Equals, hash2)
 | |
| 		}
 | |
| 
 | |
| 		f1.Close()
 | |
| 		f2.Close()
 | |
| 	}
 | |
| 
 | |
| }
 | |
| 
 | |
| func BenchmarkResizeParallel(b *testing.B) {
 | |
| 	c := qt.New(b)
 | |
| 	img := fetchSunset(c)
 | |
| 
 | |
| 	b.RunParallel(func(pb *testing.PB) {
 | |
| 		for pb.Next() {
 | |
| 			w := rand.Intn(10) + 10
 | |
| 			resized, err := img.Resize(strconv.Itoa(w) + "x")
 | |
| 			if err != nil {
 | |
| 				b.Fatal(err)
 | |
| 			}
 | |
| 			_, err = resized.Resize(strconv.Itoa(w-1) + "x")
 | |
| 			if err != nil {
 | |
| 				b.Fatal(err)
 | |
| 			}
 | |
| 		}
 | |
| 	})
 | |
| }
 |