Which method is used to manipulate individual pixel values in pixel data?
A). modifyPixel()
B). setPixel()
C). updatePixel()
D). none of the above
Which parameter specifies the rectangular area from which pixel data will be extracted?
A). x-coordinate
B). y-coordinate
C). width
D). height
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
Which method is used to draw pixel data onto the canvas?
A). drawPixelData()
B). putPixelData()
C). displayImageData()
D). putImageData()
Which method is used to extract pixel data from a canvas?
A). getImageData()
B). drawPixelData()
C). setPixelData()
D). modifyImageData()
What type of object does getImageData return?
A). PixelData
B). ImageData
C). CanvasData
D). ImageDataObject
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
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
What type of object is passed as an argument to putImageData?
A). ImageDataObject
B). CanvasData
C). PixelData
D). ImageData
Which statement is true about the performance of manipulating pixel data?
A). It has no impact on performance
B). It can improve performance
C). It always reduces performance
D). Performance depends on the browser