premise
PS has been installed
operate
First open the GIF file whose background needs to be modified, click the file in the upper left corner, and select Export—Save as the format used by WEB. After the selection is completed, select the
magnifying glass pattern on the left to zoom in and out of the image. The default is to zoom in. Press and hold the keyboard Alt key can be changed to zoom
out. Change the color mode to
selectable in the upper right corner. Select the eyedropper button in the left toolbar, click on the background of the picture to pick up the color.
In the color pixel map on the right side of the image, the background color block just selected will be displayed , double-click the color block
to change the background color in the color picker, and click OK after the selection is complete.
Here we take red as an example.
At this time, the GIF image will be changed to a red background
. Change the picture mode in the upper right corner to GIF, so that You can preview on this page
In the lower right corner of the page, the small triangle is the play button, click play to preview the dynamic image
If you want to change the image to a transparent background color, in the same way, select the eyedropper button on the left and select the background color
In the pixel color on the right, the selected background color will be selected. At this time, select the mosaic pattern button next to the number 256. After clicking, the background can be changed to a transparent color
