This video tutorial covers the concept of aspect ratios in UI design, focusing on how to handle images and videos of different sizes and ratios within containers. It explains common aspect ratios like 4:3 and 16:9, and discusses options for displaying media, such as letterboxing and cropping. The tutorial also provides coding techniques using HTML5 canvas to adjust aspect ratios dynamically, ensuring media fits appropriately within given dimensions.

What is the primary focus of aspect ratio in UI work?

• Library management

• Displaying images in specific sizes

• Coding languages

• Loading images

Which aspect ratio was common in early home computing screens?

• 4:3

• 16:9

• 1:1

• 3:2

What is the aspect ratio of a resolution of 1280x720?

• 4:3

• 3:2

• 16:9

• 1:1

What is a common issue when scaling media to fit a container?

• Improved color accuracy

• Faster loading times

• Distortion of the image

• Increased resolution

What is the purpose of using HTML5 canvas in aspect ratio handling?

• To reduce file size

• To avoid CSS complexities

• To enhance color depth

• To improve image quality

What happens when you scale an image to fit the width of a canvas?

• The image is cropped

• The image is distorted

• The image is centered

• The image is stretched

What variable is used to determine whether to calculate width or height first?

• scaleMode

• aspectRatio

• wiFirst

• canvasSize