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javascript Programming Glossary: sheightHTML5 Canvas camera/viewport - how to actally do it? http://stackoverflow.com/questions/16919601/html5-canvas-camera-viewport-how-to-actally-do-it and draw them to the canvas. drawImage image sx sy sWidth sHeight dx dy dWidth dHeight The first parameter image just as with.. the same as the viewport canvas so sWidth canvas.width and sHeight canvas.height . We need to take care about the crop dimensions.. we need the if sections bellow. var sx sy dx dy var sWidth sHeight dWidth dHeight offset point to crop the image sx xView sy yView..
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