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javascript Programming Glossary: canvas.widthDetermine width of string in HTML5 canvas http://stackoverflow.com/questions/10099226/determine-width-of-string-in-html5-canvas ctx.measureText text while textDimensions.width canvas.width ctx.fillText text canvas.width textDimensions.width 2 10 jsFiddle.. while textDimensions.width canvas.width ctx.fillText text canvas.width textDimensions.width 2 10 jsFiddle . I have a list of font sizes.. text .width if min max return textWidth if textWidth canvas.width return me fontSizes min index 1 else return me fontSizes index..
HTML5 Canvas drawImage ratio bug iOS http://stackoverflow.com/questions/11929099/html5-canvas-drawimage-ratio-bug-ios var square 320 var canvas document.createElement 'canvas' canvas.width square canvas.height square var context canvas.getContext '2d'..
HTML5 Canvas Resize (Downscale) Image High Quality? http://stackoverflow.com/questions/18922880/html5-canvas-resize-downscale-image-high-quality canvasCopy2.height end for copy back to canvas canvas.width imgWidth roundRatio rounds canvas.height imgHeight roundRatio.. canvasCopy2 0 0 canvasCopy2.width canvasCopy2.height 0 0 canvas.width canvas.height Here is the result if I use a 2 step down sizing..
JavaScript eyedropper (tell color of Pixel under mouse cursor) http://stackoverflow.com/questions/1936021/javascript-eyedropper-tell-color-of-pixel-under-mouse-cursor to a canvas with var canvas document.createElement canvas canvas.width yourImageElement.width canvas.height yourImageElement.height..
How to clear the canvas for redrawing http://stackoverflow.com/questions/2142535/how-to-clear-the-canvas-for-redrawing
Resizing an image in an HTML5 canvas http://stackoverflow.com/questions/2303690/resizing-an-image-in-an-html5-canvas canvasCopy.height img.height copyContext.drawImage img 0 0 canvas.width img.width ratio canvas.height img.height ratio ctx.drawImage.. canvasCopy 0 0 canvasCopy.width canvasCopy.height 0 0 canvas.width canvas.height img.src reader.result EDIT2 Seems I was mistaken.. 0 self thumbnailer.prototype.process2 function self self.canvas.width self.dest.width self.canvas.height self.dest.height self.ctx.drawImage..
get average color of image via javascript http://stackoverflow.com/questions/2541481/get-average-color-of-image-via-javascript imgEl.naturalHeight imgEl.offsetHeight imgEl.height width canvas.width imgEl.naturalWidth imgEl.offsetWidth imgEl.width context.drawImage..
blend two images on a javascript canvas http://stackoverflow.com/questions/3648312/blend-two-images-on-a-javascript-canvas 2d var width img1.width var height img1.height canvas.width width canvas.height height var pixels 4 width height context.drawImage..
Convert an image into binary data in javascript [duplicate] http://stackoverflow.com/questions/5420384/convert-an-image-into-binary-data-in-javascript canvas element var canvas document.createElement canvas canvas.width img.width canvas.height img.height Copy the image contents to..
How do I access navigator.getUserMedia()? http://stackoverflow.com/questions/5845306/how-do-i-access-navigator-getusermedia stream.stop noStream video.onloadedmetadata function canvas.width video.videoWidth canvas.height video.videoHeight document.getElementById..
http://stackoverflow.com/questions/6964144/dynamically-generated-favicon it working with var canvas document.createElement 'canvas' canvas.width 16 canvas.height 16 var ctx canvas.getContext '2d' var img new.. this javascript var canvas document.createElement 'canvas' canvas.width 16 canvas.height 16 var ctx canvas.getContext '2d' var img new..
Javascript Canvas Serialization/Deserialization? http://stackoverflow.com/questions/766137/javascript-canvas-serialization-deserialization data canvas var img new Image img.onload function canvas.width img.width canvas.height img.height canvas.getContext 2d .drawImage..
How to get a pixel's x,y coordinate color from an image? http://stackoverflow.com/questions/8751020/how-to-get-a-pixels-x-y-coordinate-color-from-an-image drawn on it. var img '#my image' 0 var canvas ' canvas ' 0 canvas.width img.width canvas.height img.height canvas.getContext '2d' .drawImage..
How to change color of an image using jquery [closed] http://stackoverflow.com/questions/9303757/how-to-change-color-of-an-image-using-jquery null var currentPixels null function getPixels img canvas.width img.width canvas.height img.height ctx.drawImage img 0 0 img.naturalWidth..
http://stackoverflow.com/questions/934012/get-image-data-in-javascript canvas element var canvas document.createElement canvas canvas.width img.width canvas.height img.height Copy the image contents to..
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