Method and device used for generating special-shaped window

Abstract

The embodiment of the invention provides a method and device used for generating a special-shaped window. The method includes the steps of packaging and initializing a Chromium embedded type frame, establishing an initial window, establishing an off-screen rendering browser through the Chromium embedded type frame on the basis of the initial window, generating bitmap data by loading page content data through the off-screen rendering browser, converting the bitmap data into an internal storage bitmap, and generating and outputting the special-shaped window through the UpdateLayeredWindow on the basis of the internal storage bitmap.

Description

technical field [0001] Embodiments of the present invention relate to the field of computers, and more specifically, embodiments of the present invention relate to methods and devices for generating special-shaped windows. Background technique [0002] This section is intended to provide a background or context for implementations of the invention that are recited in the claims. The descriptions herein are not admitted to be prior art by inclusion in this section. [0003] The operating system of the currently used electronic equipment is usually installed with a special-shaped window application, which can be customized by the user such as the shape, color, transparency and other properties of the window, such as media player, clock, anti-virus software icon and so on. Such special-shaped window applications are usually based on a layered window (Layered windows) technology to create special-shaped windows. The main features of the layered window technology include: allow...

AI Technical Summary

Problems solved by technology

[0004] SetLayeredWindowAttributes is suitable for creating a special-shaped window with a relatively simple appearance and no gradient effect. It has the following disadvantages: when it is necessary to generate an irregular-shaped special-shaped window, there must be a color for identifying the color (indicating that the area where the color is located in the special-shaped window is changed to fully transparent), so the color performance of the special-shaped window is limited; the pixel points of the special-shaped window can only have three alpha values ​​at most, and the gradient effect of transparency (such as shadow) cannot be realized, which leads to the limited expression of the special-shaped window; when it is necessary to output extremely complex shapes When using a window (such as directly outputting text), the edge aliasing is very obvious, and the performance is poor

However, this method has the following disadvantages: the number of acquired bitmaps is limited, and the interaction form is single, which is only suitable for desktop applications with a relatively single interface and low visual and interactive requirements, such as the traditional player panel mentioned above, antivirus Software icons, etc.; bitmaps cannot be generated based on real-time data, such as graphs, histograms, pie charts and other statistical types of pictures; the appearance of windows can only be controlled by local programs, which is inconvenient for maintenance and program development, and has low flexibility

However, this method of obtaining bitmaps also has many disadvantages: the drawing process is very complicated and the cost is high; the program drawing model cannot be added or changed after the application is generated, unless the application is upgraded; there is a lack of mature open source data visualization solutions , the technical difficulty of development and maintenance is greater; the window appearance can only be controlled by local programs, which is inconvenient for maintenance and program development, and has low flexibility

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