fix: 画像ファイルの縦横サイズの取得で Exif Orientation を考慮する (#8014)

* 画像ファイルの縦横サイズの取得で Exif Orientation を考慮する

* test: Add rotate.jpg test

* Webpublic 画像を返す時のみ Exif Orientation を考慮して縦横サイズを返す

* test: Support orientation
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xianon 2021-12-03 11:19:28 +09:00 committed by GitHub
parent f33ded3107
commit 22464c434e
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7 changed files with 70 additions and 8 deletions

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@ -19,6 +19,7 @@ export type FileInfo = {
};
width?: number;
height?: number;
orientation?: number;
blurhash?: string;
warnings: string[];
};
@ -47,6 +48,7 @@ export async function getFileInfo(path: string): Promise<FileInfo> {
// image dimensions
let width: number | undefined;
let height: number | undefined;
let orientation: number | undefined;
if (['image/jpeg', 'image/gif', 'image/png', 'image/apng', 'image/webp', 'image/bmp', 'image/tiff', 'image/svg+xml', 'image/vnd.adobe.photoshop'].includes(type.mime)) {
const imageSize = await detectImageSize(path).catch(e => {
@ -61,6 +63,7 @@ export async function getFileInfo(path: string): Promise<FileInfo> {
} else if (imageSize.wUnits === 'px') {
width = imageSize.width;
height = imageSize.height;
orientation = imageSize.orientation;
// 制限を超えている画像は octet-stream にする
if (imageSize.width > 16383 || imageSize.height > 16383) {
@ -87,6 +90,7 @@ export async function getFileInfo(path: string): Promise<FileInfo> {
type,
width,
height,
orientation,
blurhash,
warnings,
};
@ -163,6 +167,7 @@ async function detectImageSize(path: string): Promise<{
height: number;
wUnits: string;
hUnits: string;
orientation?: number;
}> {
const readable = fs.createReadStream(path);
const imageSize = await probeImageSize(readable);

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@ -77,7 +77,7 @@ export class DriveFile {
default: {},
comment: 'The any properties of the DriveFile. For example, it includes image width/height.'
})
public properties: { width?: number; height?: number; avgColor?: string };
public properties: { width?: number; height?: number; orientation?: number; avgColor?: string };
@Index()
@Column('boolean')

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@ -28,6 +28,19 @@ export class DriveFileRepository extends Repository<DriveFile> {
);
}
public getPublicProperties(file: DriveFile): DriveFile['properties'] {
if (file.properties.orientation != null) {
const properties = JSON.parse(JSON.stringify(file.properties));
if (file.properties.orientation >= 5) {
[properties.width, properties.height] = [properties.height, properties.width];
}
properties.orientation = undefined;
return properties;
}
return file.properties;
}
public getPublicUrl(file: DriveFile, thumbnail = false, meta?: Meta): string | null {
// リモートかつメディアプロキシ
if (file.uri != null && file.userHost != null && config.mediaProxy != null) {
@ -122,7 +135,7 @@ export class DriveFileRepository extends Repository<DriveFile> {
size: file.size,
isSensitive: file.isSensitive,
blurhash: file.blurhash,
properties: file.properties,
properties: opts.self ? file.properties : this.getPublicProperties(file),
url: opts.self ? file.url : this.getPublicUrl(file, false, meta),
thumbnailUrl: this.getPublicUrl(file, true, meta),
comment: file.comment,
@ -202,6 +215,11 @@ export const packedDriveFileSchema = {
optional: true as const, nullable: false as const,
example: 720
},
orientation: {
type: 'number' as const,
optional: true as const, nullable: false as const,
example: 8
},
avgColor: {
type: 'string' as const,
optional: true as const, nullable: false as const,

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@ -372,12 +372,16 @@ export default async function(
const properties: {
width?: number;
height?: number;
orientation?: number;
} = {};
if (info.width) {
properties['width'] = info.width;
properties['height'] = info.height;
}
if (info.orientation != null) {
properties['orientation'] = info.orientation;
}
const profile = user ? await UserProfiles.findOne(user.id) : null;

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@ -17,6 +17,7 @@ describe('Get file info', () => {
},
width: undefined,
height: undefined,
orientation: undefined,
});
}));
@ -34,6 +35,7 @@ describe('Get file info', () => {
},
width: 512,
height: 512,
orientation: undefined,
});
}));
@ -51,6 +53,7 @@ describe('Get file info', () => {
},
width: 256,
height: 256,
orientation: undefined,
});
}));
@ -68,6 +71,7 @@ describe('Get file info', () => {
},
width: 256,
height: 256,
orientation: undefined,
});
}));
@ -85,6 +89,7 @@ describe('Get file info', () => {
},
width: 256,
height: 256,
orientation: undefined,
});
}));
@ -102,6 +107,7 @@ describe('Get file info', () => {
},
width: 256,
height: 256,
orientation: undefined,
});
}));
@ -120,6 +126,7 @@ describe('Get file info', () => {
},
width: 256,
height: 256,
orientation: undefined,
});
}));
@ -137,6 +144,25 @@ describe('Get file info', () => {
},
width: 25000,
height: 25000,
orientation: undefined,
});
}));
it('Rotate JPEG', async (async () => {
const path = `${__dirname}/resources/rotate.jpg`;
const info = await getFileInfo(path) as any;
delete info.warnings;
delete info.blurhash;
assert.deepStrictEqual(info, {
size: 12624,
md5: '68d5b2d8d1d1acbbce99203e3ec3857e',
type: {
mime: 'image/jpeg',
ext: 'jpg'
},
width: 512,
height: 256,
orientation: 8,
});
}));
});

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@ -44,12 +44,18 @@ export default defineComponent({
onMounted(() => {
const lightbox = new PhotoSwipeLightbox({
dataSource: props.mediaList.filter(media => media.type.startsWith('image')).map(media => ({
src: media.url,
w: media.properties.width,
h: media.properties.height,
alt: media.name,
})),
dataSource: props.mediaList.filter(media => media.type.startsWith('image')).map(media => {
const item = {
src: media.url,
w: media.properties.width,
h: media.properties.height,
alt: media.name,
};
if (media.properties.orientation != null && media.properties.orientation >= 5) {
[item.w, item.h] = [item.h, item.w];
}
return item;
}),
gallery: gallery.value,
children: '.image',
thumbSelector: '.image',
@ -77,6 +83,9 @@ export default defineComponent({
itemData.src = file.url;
itemData.w = Number(file.properties.width);
itemData.h = Number(file.properties.height);
if (file.properties.orientation != null && file.properties.orientation >= 5) {
[itemData.w, itemData.h] = [itemData.h, itemData.w];
}
itemData.msrc = file.thumbnailUrl;
itemData.thumbCropped = true;
});