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2014/10/16 ¤W¤È 12:02:19
jquery Programming Glossary: canvas.getcontextHow to make the text write in counterclockwise direction http://stackoverflow.com/questions/12312752/how-to-make-the-text-write-in-counterclockwise-direction var canvas document.getElementById myCanvas var context canvas.getContext 2d context.font 30pt Calibri context.textAlign center context.fillStyle..
http://stackoverflow.com/questions/12539862/ios6-and-safari-photo-uploading-file-api-canvas-jquery-ajax-uploading-and canvas.width imageWidth canvas.height imageHeight var ctx canvas.getContext 2d ctx.drawImage this 0 0 imageWidth imageHeight The resized..
Unable to get image data from canvas because the canvas has been tainted by cross-origin data http://stackoverflow.com/questions/14438377/unable-to-get-image-data-from-canvas-because-the-canvas-has-been-tainted-by-cros image.height Draw the image in canvas var ctx canvas.getContext 2d ctx.drawImage image 0 0 Get the pixel data var imageData..
Javascript / jQuery - How to convert Media and Image data into binary text format http://stackoverflow.com/questions/14726729/javascript-jquery-how-to-convert-media-and-image-data-into-binary-text-forma img.height Copy the image contents to the canvas var ctx canvas.getContext 2d ctx.drawImage img 0 0 Get the data URL formatted image Firefox..
How to drag images / objects within Canvas? http://stackoverflow.com/questions/18333936/how-to-drag-images-objects-within-canvas var canvas document.getElementById myCanvas var context canvas.getContext '2d' var tooltip null timer svg file and png files are collected.. function var canvas document.getElementById canvas var ctx canvas.getContext 2d ctx.strokeStyle red ctx.lineWidth 5 var canvasOffset #canvas..
JavaScript eyedropper (tell color of Pixel under mouse cursor) http://stackoverflow.com/questions/1936021/javascript-eyedropper-tell-color-of-pixel-under-mouse-cursor canvas.height yourImageElement.height canvas.getContext '2d' .drawImage yourImageElement 0 0 And then just use the previous..
Can regular JavaScript be mixed with jQuery? http://stackoverflow.com/questions/3677140/can-regular-javascript-be-mixed-with-jquery function draw var canvas document.getElementById canvas if canvas.getContext var ctx canvas.getContext 2d ctx.fillStyle rgb 200 0 0 ctx.fillRect.. canvas if canvas.getContext var ctx canvas.getContext 2d ctx.fillStyle rgb 200 0 0 ctx.fillRect 10 10 55 50 ctx.fillStyle.. this function var canvas document.getElementById canvas if canvas.getContext var ctx canvas.getContext 2d ctx.fillStyle rgb 200 0 0 ctx.fillRect..
How to draw number lines using HTML http://stackoverflow.com/questions/4182494/how-to-draw-number-lines-using-html Canvas Element function var canvas 'canvas' 0 var ctx canvas.getContext '2d' var w canvas.width 700 var h canvas.height 400 with ctx..
HTML5 Canvas 100% Width Height of Viewport? http://stackoverflow.com/questions/4288253/html5-canvas-100-width-height-of-viewport var canvas document.getElementById 'canvas' context canvas.getContext '2d' resize the canvas to fill browser window dynamically window.addEventListener..
HTML canvas double buffering frame-rate issues http://stackoverflow.com/questions/4539535/html-canvas-double-buffering-frame-rate-issues 0 .insertAfter canvas .css 'visibility' 'hidden' context canvas.getContext '2d' context_buffer canvas_buffer.getContext '2d' clouds_arr..
Convert an image into binary data in javascript [duplicate] http://stackoverflow.com/questions/5420384/convert-an-image-into-binary-data-in-javascript img.height Copy the image contents to the canvas var ctx canvas.getContext 2d ctx.drawImage img 0 0 Get the data URL formatted image Firefox..
Compile/Save/Export HTML as a PNG Image using Jquery http://stackoverflow.com/questions/5941631/compile-save-export-html-as-a-png-image-using-jquery 'http www.w3.org 1999 xhtml' 'html canvas' var context canvas.getContext '2d' var selection top 0 left 0 width root.scrollWidth height.. var canvas document.getElementById 'captured' var ctx canvas.getContext '2d' var image new Image image.src capture the image is not..
How to change color of an image using jquery [closed] http://stackoverflow.com/questions/9303757/how-to-change-color-of-an-image-using-jquery mug var canvas document.createElement canvas var ctx canvas.getContext 2d var originalPixels null var currentPixels null function getPixels..
How to make the text write in counterclockwise direction http://stackoverflow.com/questions/12312752/how-to-make-the-text-write-in-counterclockwise-direction 0 0 context.restore context.restore window.onload function var canvas document.getElementById myCanvas var context canvas.getContext 2d context.font 30pt Calibri context.textAlign center context.fillStyle blue context.strokeStyle blue context.lineWidth..
http://stackoverflow.com/questions/12539862/ios6-and-safari-photo-uploading-file-api-canvas-jquery-ajax-uploading-and with new image var canvas document.createElement 'canvas' canvas.width imageWidth canvas.height imageHeight var ctx canvas.getContext 2d ctx.drawImage this 0 0 imageWidth imageHeight The resized file ready for upload var finalFile canvas.toDataURL fileType..
Unable to get image data from canvas because the canvas has been tainted by cross-origin data http://stackoverflow.com/questions/14438377/unable-to-get-image-data-from-canvas-because-the-canvas-has-been-tainted-by-cros document.createElement canvas canvas.width image.width canvas.height image.height Draw the image in canvas var ctx canvas.getContext 2d ctx.drawImage image 0 0 Get the pixel data var imageData ctx.getImageData 0 0 canvas.width canvas.height Loop through..
Javascript / jQuery - How to convert Media and Image data into binary text format http://stackoverflow.com/questions/14726729/javascript-jquery-how-to-convert-media-and-image-data-into-binary-text-forma canvas canvas.width img.width canvas.height img.height Copy the image contents to the canvas var ctx canvas.getContext 2d ctx.drawImage img 0 0 Get the data URL formatted image Firefox supports PNG and JPEG. You could check img.src to guess..
How to drag images / objects within Canvas? http://stackoverflow.com/questions/18333936/how-to-drag-images-objects-within-canvas var dataJSON data var dataJSON2 data2 window.onload function var canvas document.getElementById myCanvas var context canvas.getContext '2d' var tooltip null timer svg file and png files are collected in files. var files static images awesome_tiger.svg static.. padding 20px #canvas border 1px solid red style script function var canvas document.getElementById canvas var ctx canvas.getContext 2d ctx.strokeStyle red ctx.lineWidth 5 var canvasOffset #canvas .offset var offsetX canvasOffset.left var offsetY canvasOffset.top..
JavaScript eyedropper (tell color of Pixel under mouse cursor) http://stackoverflow.com/questions/1936021/javascript-eyedropper-tell-color-of-pixel-under-mouse-cursor var canvas document.createElement canvas canvas.width yourImageElement.width canvas.height yourImageElement.height canvas.getContext '2d' .drawImage yourImageElement 0 0 And then just use the previous method explained for canvases. If you must be able to..
Can regular JavaScript be mixed with jQuery? http://stackoverflow.com/questions/3677140/can-regular-javascript-be-mixed-with-jquery tutorial html head script type application javascript function draw var canvas document.getElementById canvas if canvas.getContext var ctx canvas.getContext 2d ctx.fillStyle rgb 200 0 0 ctx.fillRect 10 10 55 50 ctx.fillStyle rgba 0 0 200 0.5 ctx.fillRect.. type application javascript function draw var canvas document.getElementById canvas if canvas.getContext var ctx canvas.getContext 2d ctx.fillStyle rgb 200 0 0 ctx.fillRect 10 10 55 50 ctx.fillStyle rgba 0 0 200 0.5 ctx.fillRect 30 30 55 50 script head.. you can just put the code in a document.ready handler like this function var canvas document.getElementById canvas if canvas.getContext var ctx canvas.getContext 2d ctx.fillStyle rgb 200 0 0 ctx.fillRect 10 10 55 50 ctx.fillStyle rgba 0 0 200 0.5 ctx.fillRect..
How to draw number lines using HTML http://stackoverflow.com/questions/4182494/how-to-draw-number-lines-using-html jquery html html5 canvas share improve this question Using Canvas Element function var canvas 'canvas' 0 var ctx canvas.getContext '2d' var w canvas.width 700 var h canvas.height 400 with ctx fillStyle '#000' fillRect 0 0 w h fill beginPath lineWidth..
HTML5 Canvas 100% Width Height of Viewport? http://stackoverflow.com/questions/4288253/html5-canvas-100-width-height-of-viewport jaredwilli qFuDr HTML canvas id canvas canvas JavaScript function var canvas document.getElementById 'canvas' context canvas.getContext '2d' resize the canvas to fill browser window dynamically window.addEventListener 'resize' resizeCanvas false function resizeCanvas..
HTML canvas double buffering frame-rate issues http://stackoverflow.com/questions/4539535/html-canvas-double-buffering-frame-rate-issues So far I have canvas '#myclouds' 0 canvas_buffer 'canvas' 0 .insertAfter canvas .css 'visibility' 'hidden' context canvas.getContext '2d' context_buffer canvas_buffer.getContext '2d' clouds_arr canvas canvas_buffer window .resize function drawCanvas function..
Convert an image into binary data in javascript [duplicate] http://stackoverflow.com/questions/5420384/convert-an-image-into-binary-data-in-javascript canvas canvas.width img.width canvas.height img.height Copy the image contents to the canvas var ctx canvas.getContext 2d ctx.drawImage img 0 0 Get the data URL formatted image Firefox supports PNG and JPEG. You could check img.src to guess..
Compile/Save/Export HTML as a PNG Image using Jquery http://stackoverflow.com/questions/5941631/compile-save-export-html-as-a-png-image-using-jquery document.documentElement var canvas document.createElementNS 'http www.w3.org 1999 xhtml' 'html canvas' var context canvas.getContext '2d' var selection top 0 left 0 width root.scrollWidth height root.scrollHeight canvas.height selection.height canvas.width.. You can send it to your server or draw it on another canvas var canvas document.getElementById 'captured' var ctx canvas.getContext '2d' var image new Image image.src capture the image is not immediately usable image .load function jquery way canvas.width..
How to change color of an image using jquery [closed] http://stackoverflow.com/questions/9303757/how-to-change-color-of-an-image-using-jquery height 25 onload getPixels this var mug document.getElementById mug var canvas document.createElement canvas var ctx canvas.getContext 2d var originalPixels null var currentPixels null function getPixels img canvas.width img.width canvas.height img.height..
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