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

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 of the following is NOT a use case for manipulating image data?

A). Image filtering

B). Text rendering

C). Pixel manipulation

D). Image processing

How can you create a grayscale effect using getImageData and putImageData?

A). Set all RGB channels to the same value

B). Invert the colors

C). Convert to black and white

D). Apply a blur effect

What type of object does getImageData return?

A). PixelData

B). ImageData

C). CanvasData

D). ImageDataObject

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

A). x-coordinate

B). y-coordinate

C). width

D). height

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

A). getImageData()

B). drawPixelData()

C). setPixelData()

D). modifyImageData()

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 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

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

A). blendColors()

B). applyBlend()

C). globalAlpha()

D). setAlpha()

Which method is used to manipulate individual pixel values in pixel data?

A). modifyPixel()

B). setPixel()

C). updatePixel()

D). none of the above