How does Huawei's mobile phone picture editor make people feel red?

Huawei mobile phone photo editor turns the heart-shaped picture into red as follows:

1. Open the photo album application, enter the photo to edit, and click the edit button below the photo.

2. In edit mode, select the graphic tool, and select the heart-shaped graphic in the graphic tool.

3. In the graphic editing interface, select the heart-shaped graphic, click the "Color" button in the upper right corner, select red, adjust the transparency, and confirm to complete the modification.

Photo editing refers to the process of modifying and perfecting photos by using image editing software.