How can I get the width and height of a picture?

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votes

I'm trying to make a script on RPG Maker XP that needs the width and height of an image to do some calculations. I tried @picture.bitmap.widthand @picture.bitmap.height but it returned the width and height of the image that is being shown in the screen.

For instance, if the image is 800 pixels height, and the image takes 400 pixels in the screen, @picture.bitmap.height will only return 400. This is the code I'm using:

@picture = Sprite.new
@picture.bitmap = RPG::Cache.picture("picture")
@pictureWidth = @picture.bitmap.width
@pictureHeight = @picture.bitmap.height

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