PNG 图像的 EXIF 方向信息不用于图像方向。

PNG 图像的 EXIF 方向信息不用于图像方向。
EXIF orientation info in PNGs isn't used for image-orientation: from-image

原始链接: https://bugzilla.mozilla.org/show_bug.cgi?id=1627423

CSS图片和其他替换内容的问题。这包括CSS图片（例如在background-image中）的加载、布局和渲染，以及HTML img、picture、video、iframe、frame和frameset元素的布局。关于图像解码和视频播放的问题，请分别参见ImageLib和Audio/Video组件。示例错误：具有固有宽度和最大高度的SVG图片，其宽度按与高度缩放相同的比例错误地缩小。 <iframe>在纵向书写模式下具有不正确的默认大小。涵盖的规范： CSS 背景 CSS 图片

Issues with the CSS images and other replaced content. This includes loading, layout, and rendering of CSS images (such as in background-image), and the layout of HTML img, picture, video, iframe, frame, and frameset elements. For issues with image decoding and video playback, see the ImageLib and Audio/Video components respectively.

Example bugs:

SVG as image with an intrinsic width and max-height has its width incorrectly scaled down by the same ratio as the height is scaled down
<iframe> has incorrect default size in vertical writing mode

Specifications covered:

CSS Backgrounds
CSS Images

PNG 图像的 EXIF 方向信息不用于图像方向。 EXIF orientation info in PNGs isn't used for image-orientation: from-image

PNG 图像的 EXIF 方向信息不用于图像方向。
EXIF orientation info in PNGs isn't used for image-orientation: from-image