I have an image which 330 px width and 472 px height . I want to plot this image inn to a bigger canvas which is 55% bigger than the current picture .. How can I fount the final image width and height .
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This is more of a math problem than a programming problem. Let's work on it abstractly to get a formula:
Our variables are:
oldWidth, oldHeight, newWidth, newHeight, percentBigger
The original canvas size is
oldCanvasSize = oldWidth * oldHeightThe new canvas size is
newCanvasSize = newWidth + newHeight55% bigger means 155% or 1.55 so
percent = (percentBigger + 1)The new canvas is some percent of the old canvas so we have
newCanvasSize = percent * oldCanvasSizeor
newCanvasSize = (percentBigger + 1) * oldCanvasSizeI'll assume we want the proportions to stay the same so
oldWidth / oldHeight = newWidth / newHeightBy substitution and solving the above equations we get
newWidth = SquareRoot(percentBigger + 1) * oldWidthnewHeight = SquareRoot(percentBigger + 1) * oldHeightI'll let the reader plug in the values.