javascript Programming Glossary: mousex

http://stackoverflow.com/questions/1114465/getting-mouse-location-in-canvas

this should work for those two function mouseMove e var mouseX mouseY if e.offsetX mouseX e.offsetX mouseY e.offsetY else if.. two function mouseMove e var mouseX mouseY if e.offsetX mouseX e.offsetX mouseY e.offsetY else if e.layerX mouseX e.layerX.. mouseX e.offsetX mouseY e.offsetY else if e.layerX mouseX e.layerX mouseY e.layerY do something with mouseX mouseY ..

registering clicks on an element that is under another element

http://stackoverflow.com/questions/1148424/registering-clicks-on-an-element-that-is-under-another-element

if clicked point taken from event is inside element var mouseX e.pageX var mouseY e.pageY var offset this .offset var width.. .offset var width this .width var height this .height if mouseX offset.left mouseX offset.left width mouseY offset.top mouseY.. this .width var height this .height if mouseX offset.left mouseX offset.left width mouseY offset.top mouseY offset.top height..

How to drag images / objects within Canvas?

http://stackoverflow.com/questions/18333936/how-to-drag-images-objects-within-canvas

c.fillRect 0 0 500 500 image1.update image2.update 30 var mouseX 0 mouseY 0 var mousePressed false var dragging false canvas.mousemove.. false var dragging false canvas.mousemove function e mouseX e.offsetX mouseY e.offsetY document .mousedown function mousePressed.. top that.y var bottom that.y img.height if drag startX mouseX that.x startY mouseY that.y if mouseX right mouseX left mouseY..

how to zoom in an image and center it

http://stackoverflow.com/questions/2028557/how-to-zoom-in-an-image-and-center-it

image height var origW 250 original image width var mouseX event.x var mouseY event.y var newH origH resize 100 var newW.. var c img.parentNode Work out the new center c.scrollLeft mouseX resize 100 newW 2 2 c.scrollTop mouseY resize 100 newH 2 2 ..

Text selection and bubble overlay as Chrome extension

http://stackoverflow.com/questions/4409378/text-selection-and-bubble-overlay-as-chrome-extension

bubble to the appropriate location. function renderBubble mouseX mouseY selection bubbleDOM.innerHTML selection bubbleDOM.style.top.. bubbleDOM.style.top mouseY 'px' bubbleDOM.style.left mouseX 'px' bubbleDOM.style.visibility 'visible' contentscript.css..

Get pixel color from canvas, on mouseover

http://stackoverflow.com/questions/6735470/get-pixel-color-from-canvas-on-mouseover

ctx.drawImage img 0 0 canvas.onmousemove function e var mouseX mouseY if e.offsetX mouseX e.offsetX mouseY e.offsetY else.. function e var mouseX mouseY if e.offsetX mouseX e.offsetX mouseY e.offsetY else if e.layerX mouseX e.layerX.. mouseX e.offsetX mouseY e.offsetY else if e.layerX mouseX e.layerX mouseY e.layerY var c ctx.getImageData mouseX mouseY..