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-rw-r--r--server/helpers/image-utils.ts43
1 files changed, 32 insertions, 11 deletions
diff --git a/server/helpers/image-utils.ts b/server/helpers/image-utils.ts
index 033be2c50..206cfa5bc 100644
--- a/server/helpers/image-utils.ts
+++ b/server/helpers/image-utils.ts
@@ -43,11 +43,11 @@ export {
43// --------------------------------------------------------------------------- 43// ---------------------------------------------------------------------------
44 44
45async function jimpProcessor (path: string, destination: string, newSize: { width: number, height: number }, inputExt: string) { 45async function jimpProcessor (path: string, destination: string, newSize: { width: number, height: number }, inputExt: string) {
46 let jimpInstance: Jimp 46 let sourceImage: Jimp
47 const inputBuffer = await readFile(path) 47 const inputBuffer = await readFile(path)
48 48
49 try { 49 try {
50 jimpInstance = await read(inputBuffer) 50 sourceImage = await read(inputBuffer)
51 } catch (err) { 51 } catch (err) {
52 logger.debug('Cannot read %s with jimp. Try to convert the image using ffmpeg first.', path, { err }) 52 logger.debug('Cannot read %s with jimp. Try to convert the image using ffmpeg first.', path, { err })
53 53
@@ -55,34 +55,55 @@ async function jimpProcessor (path: string, destination: string, newSize: { widt
55 await convertWebPToJPG(path, newName) 55 await convertWebPToJPG(path, newName)
56 await rename(newName, path) 56 await rename(newName, path)
57 57
58 jimpInstance = await read(path) 58 sourceImage = await read(path)
59 } 59 }
60 60
61 await remove(destination) 61 await remove(destination)
62 62
63 // Optimization if the source file has the appropriate size 63 // Optimization if the source file has the appropriate size
64 const outputExt = getLowercaseExtension(destination) 64 const outputExt = getLowercaseExtension(destination)
65 if (skipProcessing({ jimpInstance, newSize, imageBytes: inputBuffer.byteLength, inputExt, outputExt })) { 65 if (skipProcessing({ sourceImage, newSize, imageBytes: inputBuffer.byteLength, inputExt, outputExt })) {
66 return copy(path, destination) 66 return copy(path, destination)
67 } 67 }
68 68
69 await jimpInstance 69 await autoResize({ sourceImage, newSize, destination })
70 .resize(newSize.width, newSize.height) 70}
71 .quality(80) 71
72 .writeAsync(destination) 72async function autoResize (options: {
73 sourceImage: Jimp
74 newSize: { width: number, height: number }
75 destination: string
76}) {
77 const { sourceImage, newSize, destination } = options
78
79 // Portrait mode, special handling
80 if (sourceImage.getWidth() < sourceImage.getHeight()) {
81 const baseImage = sourceImage.cloneQuiet().cover(newSize.width, newSize.height)
82 .color([ { apply: 'shade', params: [ 50 ] } ])
83
84 const topImage = sourceImage.cloneQuiet().contain(newSize.width, newSize.height)
85
86 return write(baseImage.blit(topImage, 0, 0), destination)
87 }
88
89 return write(sourceImage.contain(newSize.width, newSize.height), destination)
90}
91
92function write (image: Jimp, destination: string) {
93 return image.quality(80).writeAsync(destination)
73} 94}
74 95
75function skipProcessing (options: { 96function skipProcessing (options: {
76 jimpInstance: Jimp 97 sourceImage: Jimp
77 newSize: { width: number, height: number } 98 newSize: { width: number, height: number }
78 imageBytes: number 99 imageBytes: number
79 inputExt: string 100 inputExt: string
80 outputExt: string 101 outputExt: string
81}) { 102}) {
82 const { jimpInstance, newSize, imageBytes, inputExt, outputExt } = options 103 const { sourceImage, newSize, imageBytes, inputExt, outputExt } = options
83 const { width, height } = newSize 104 const { width, height } = newSize
84 105
85 if (jimpInstance.getWidth() > width || jimpInstance.getHeight() > height) return false 106 if (sourceImage.getWidth() > width || sourceImage.getHeight() > height) return false
86 if (inputExt !== outputExt) return false 107 if (inputExt !== outputExt) return false
87 108
88 const kB = 1000 109 const kB = 1000