In traditional javascript, you have no control over that. It's possible HTML5 changes things, but I don't think so in this case. Being able to direct the name and location of a download programatically could be a security issue. Your best be might be to alert your users that they have to change the file name in order to view it.
On Tuesday, October 23, 2012 12:44:14 AM UTC-4, taps wrote: > > but I cant force the user to change that. So, is there a way to save it in > that format and if users want to save the image in other folder can we do > that and how? Because now it is being saved in downloads. I want to save it > in other folder. > > On Monday, 22 October 2012 20:10:26 UTC+5:30, asgallant wrote: >> >> With some browsers, you have to rename them as .png files after >> downloading them. >> >> On Monday, October 22, 2012 2:45:57 AM UTC-4, taps wrote: >>> >>> Thanks, Its working. But The saved images cant be opened. >>> >>> On Friday, 19 October 2012 11:02:08 UTC+5:30, asgallant wrote: >>>> >>>> Ahh...I see now. You are missing two of the scripts you need: >>>> >>>> http://canvg.googlecode.com/svn/trunk/canvg.js >>>> http://canvg.googlecode.com/svn/trunk/rgbcolor.js >>>> >>>> You need script tags with both of those to make it work. >>>> >>>> On Thursday, October 18, 2012 2:00:19 AM UTC-4, taps wrote: >>>>> >>>>> Hey, I have tried that code but it doesn't work. It doesn't do >>>>> anything.I don't what is wrong.my code is: >>>>> >>>>> <apex:page > >>>>> <script type="text/javascript" src="https://www.google.com/jsapi >>>>> "></script> >>>>> <script type="text/javascript"> >>>>> google.load("visualization", "1", {packages:["corechart"]}); >>>>> google.setOnLoadCallback(drawChart); >>>>> function drawChart() { >>>>> var data = google.visualization.arrayToDataTable([ >>>>> ['ID', 'X', 'Y', 'Temperature'], >>>>> ['', 80, 167, 120], >>>>> ['', 79, 136, 130], >>>>> ['', 78, 184, 50], >>>>> ['', 72, 278, 230], >>>>> ['', 81, 200, 210], >>>>> ['', 72, 170, 100], >>>>> ['', 68, 477, 80] >>>>> ]); >>>>> >>>>> var options = { >>>>> colorAxis: {colors: ['yellow', 'red']} >>>>> }; >>>>> >>>>> var chart = new >>>>> google.visualization.BubbleChart(document.getElementById('chart_div')); >>>>> chart.draw(data, options); >>>>> } >>>>> </script> >>>>> <div id="chart_div" style="width: 900px; height: 500px;"></div> >>>>> <button >>>>> onclick="saveAsImg(document.getElementById('chart_div'));">Save as PNG >>>>> Image</button> >>>>> <script> >>>>> function getImgData(chartContainer) { >>>>> alert("hiiiii"); >>>>> var chartArea = >>>>> chartContainer.getElementsByTagName('svg')[0].parentNode; >>>>> var svg = chartArea.innerHTML; >>>>> var doc = chartContainer.ownerDocument; >>>>> var canvas = doc.createElement('canvas'); >>>>> canvas.setAttribute('width', chartArea.offsetWidth); >>>>> canvas.setAttribute('height', chartArea.offsetHeight); >>>>> >>>>> >>>>> canvas.setAttribute( >>>>> 'style', >>>>> 'position: absolute; ' + >>>>> 'top: ' + (-chartArea.offsetHeight * 2) + 'px;' + >>>>> 'left: ' + (-chartArea.offsetWidth * 2) + 'px;'); >>>>> doc.body.appendChild(canvas); >>>>> canvg(canvas, svg);alert("hiiiiffffi"); >>>>> var imgData = canvas.toDataURL('image/png'); >>>>> canvas.parentNode.removeChild(canvas); >>>>> >>>>> return imgData; >>>>> } >>>>> >>>>> function saveAsImg(chartContainer) { >>>>> alert("hiiiii"); >>>>> var imgData = getImgData(chartContainer); >>>>> >>>>> // Replacing the mime-type will force the browser to trigger a >>>>> download >>>>> // rather than displaying the image in the browser window. >>>>> window.location = imgData.replace('image/png', >>>>> 'image/octet-stream'); >>>>> } >>>>> </script> >>>>> </apex:page> >>>>> >>>>> On Wednesday, 17 October 2012 20:16:36 UTC+5:30, asgallant wrote: >>>>>> >>>>>> See this thread: >>>>>> https://groups.google.com/forum/?fromgroups=#!topic/google-visualization-api/YTD_JxX_RFc >>>>>> >>>>>> Note that the code linked there will never work in IE < 9, as those >>>>>> use VML to draw the charts instead of SVG, and there is no way (that I >>>>>> know >>>>>> of) to convert VML into an image file. >>>>>> >>>>>> On Wednesday, October 17, 2012 3:14:46 AM UTC-4, taps wrote: >>>>>>> >>>>>>> Hello, I have created a bubble chart based on the user selection.I >>>>>>> need to save the chart in the form of image or any other way.How can >>>>>>> save >>>>>>> it? >>>>>>> >>>>>> -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-visualization-api/-/fX-g9-2r2NoJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-visualization-api?hl=en.
