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
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
Which method is used to blend colors when drawing on the canvas?
A). blendColors()
B). applyBlend()
C). globalAlpha()
D). setAlpha()
What type of object does getImageData return?
A). PixelData
B). ImageData
C). CanvasData
D). ImageDataObject
Which channel represents the red color in pixel data?
A). Red channel
B). Green channel
C). Blue channel
D). Alpha channel
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 extract pixel data from a canvas?
A). getImageData()
B). drawPixelData()
C). setPixelData()
D). modifyImageData()
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 manipulate individual pixel values in pixel data?
A). modifyPixel()
B). setPixel()
C). updatePixel()
D). none of the above