Questions tagged as 'canvas'

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How to bring a page with graph inside a div on another page using ajax?

I have a problem, I have a simple function in Ajax which brings a page inside a div , I made the test work, but when I do to bring a page that has no graphics, / p> Does anyone know if there is a way to do this? My code goes below: this...
asked by 30.10.2016 / 20:49
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Remove div spaces with image using Canvas

I have a div, where I'm saving content using canvas <div class="container-capa"> <img src=~/Content/imagemcartaovisita/@Session["NomeCapaCartao"] class="img-responsive" id="capa" alt="" width="589" height="324"> <label...
asked by 08.11.2016 / 13:59
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Where to put rotate Canvas in this code

I searched a lot, but unfortunately I did not find where the rotate function of the canvas I could add in this code. In html I have an input type ranger that I use to rotate the image .. The input type takes the value in degrees and saves it...
asked by 15.10.2016 / 05:06
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Graphic with Canvas

I need to develop the following graph using canvas: But for now I only managed to draw the black lines representing x, y. Could someone help? Here's the code done. 1-part html <!DOCTYPE html> <html> <head> <ti...
asked by 05.09.2016 / 03:03
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Canvas Draw TBitmap Multiple Images

I would like to capture several images and "put" all of them in one without having to save them first, I capture 6 images placed one above the other according to the position on the screen and saved in a single image, Any idea? I'm using Delphi...
asked by 08.08.2016 / 23:07
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Uploading images by increasing the file size by almost 10x

Good evening dear benefactors programmers. I have a problem, as I described in the title, which is affecting my image uploads. The image increases up to 10 times in size. And I'm not talking about dimension. Ex: Initially, I have any image, l...
asked by 30.06.2016 / 23:01
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How to create hover effect with two overlapping canvases with opposite effects?

Previous Code. * The following is the code example below: Old JSFiddle New code for anyone! JSFiddle New     
asked by 05.05.2016 / 22:36
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How to make canvas toDataURL work on images on another server?

I have a facebook app where I get the user profile picture. How to paste this image over another making an assembly to be later shared in fb itself. The canvas toDataURL method does not work because the image is on another server. Do I need any...
asked by 15.05.2016 / 06:41
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Changing the position of an object on a map

I need a logic that, detecting if the value of x, y has changed, change the position of an object on the map. I have a map that contains 50x50 tiles , and in these tiles there are objects that I can move using the code below: v...
asked by 03.04.2015 / 20:45
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Display qrcode on an alert

I have this code: $("#exemplo1").click(function(){ $('#codigoQrCode').qrcode(JSON.stringify('teste')); //se vcs clicarem aqui, aparecerá o qrcode(canvas) }); $("#exemplo2").click(function(){ alert($('#codigoQrCode').qrc...
asked by 04.01.2019 / 18:28