Page image rendering method and information providing method and device

Abstract

The invention discloses a page image rendering method and device. The method includes the steps that when a page is loaded, an attribute information query request of a page image is sent; a response message corresponding to the attribute information query request is obtained, and attribute information in the response message is extracted; a render region of the image in the page is determined according o the attribute information; rendering is conducted to the page according to the render region of the image, and when the image is downloaded, the image is painted in the render region. According to the rendering method, the page is rendered according to the render region of the image, and when the image is downloaded, rendering of an irreplaceable element part of the page is finished, and reflows and repaints are not needed, so that rendering efficiency is improved. The invention further discloses an information providing method and device.

Description

technical field [0001] The present invention relates to the technical field of the Internet, in particular to a method and device for rendering pictures in a page, and a method and device for providing information. Background technique [0002] At present, there are large-scale picture resources in the network. For example, a web page includes a wide variety of pictures, and various electronic photo album applications include various pictures taken by users. [0003] However, when various applications display pictures, there are the following problems: if it is a browser application, when the application renders a web page including pictures, CSS (Cascading Style Sheets, cascading style sheets) and Obtain the width and height information of the image in the label, reserve the corresponding display area, and then start text rendering without waiting for the image to be loaded. After the picture is loaded, the page needs to reflow (reflows), draw (repaints), and reduce the ...

AI Technical Summary

Problems solved by technology

[0003] However, when various applications display pictures, there are the following problems: if it is a browser application, when the application renders a web page including pictures, CSS (Cascading Style Sheets, Cascading Style Sheets) and Get the width and height information of the picture in the label, reserve the corresponding display area, and then start text rendering without waiting for the picture to be loaded. However, it is often impossible to obtain the width and height information, or the width and height information is incomplete, or the width and height information is not accurate The problem is that after the picture is loaded, the page needs to reflow (reflows) and draw (repaints), which reduces the efficiency of rendering; The number is very large, and the displayed pictures often cannot meet the needs of users; if it is a picture viewing application, the pictures are prone to display problems such as rotation, upside down, mirroring, etc.

Images