Draw curves followed by straight lines

Using the Pen tool, drag to create the first smooth point of the curved segment, and release the mouse button.

Reposition the Pen tool where you want the curved segment to end, drag to complete the curve, and release the mouse button.

Select the Convert Point tool from the toolbox, and then click the selected end point to convert it from a smooth point to a corner point.

Press Alt (Windows) or Option (Mac OS) to temporarily change the Pen tool to the Convert Point tool.

Select the Pen tool from the toolbox, position the Pen tool where you want the straight segment to end, and click to complete the straight segment.

Photoshop