Which statement is true about the performance of manipulating pixel data?

Which method is used to extract pixel data from a canvas?

A). getImageData()

B). drawPixelData()

C). setPixelData()

D). modifyImageData()

What is the purpose of using getImageData and putImageData for image editing applications?

A). To create animations

B). To apply filters and effects

C). To add text to images

D). To resize images

What is the purpose of modifying pixel data with getImageData and putImageData?

A). To change canvas size

B). To animate images

C). To manipulate image colors

D). To add text to images

Which parameter specifies the rectangular area from which pixel data will be extracted?

A). x-coordinate

B). y-coordinate

C). width

D). height

Which channel represents the red color in pixel data?

A). Red channel

B). Green channel

C). Blue channel

D). Alpha channel

What type of object is passed as an argument to putImageData?

A). ImageDataObject

B). CanvasData

C). PixelData

D). ImageData

What is the purpose of the alpha channel in pixel data?

A). To represent brightness

B). To represent transparency

C). To represent color intensity

D). To represent contrast

Which method is used to blend colors when drawing on the canvas?

A). blendColors()

B). applyBlend()

C). globalAlpha()

D). setAlpha()

What is the range of values for each color channel in pixel data?

A). 0 to 255

B). 0 to 100

C). 0 to 1

D). -255 to 255

What happens if the dimensions of the ImageData object passed to putImageData do not match the canvas?

A). An error occurs

B). The image is resized

C). The image is cropped

D). The image is stretched