Which method is used to manipulate individual pixel values in pixel data?
A). modifyPixel()
B). setPixel()
C). updatePixel()
D). none of the above
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
Which channel represents the red color in pixel data?
A). Red channel
B). Green channel
C). Blue channel
D). Alpha channel
Which method is used to extract pixel data from a canvas?
A). getImageData()
B). drawPixelData()
C). setPixelData()
D). modifyImageData()
What type of object is passed as an argument to putImageData?
A). ImageDataObject
B). CanvasData
C). PixelData
D). ImageData
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 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
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()