I have one more question that The code is not working in the other browser that is like google chrome. When I run the code in the google chrome the image is not being saved. Y is it so??
On Tuesday, 23 October 2012 12:33:03 UTC+5:30, taps wrote: > > Ok thanks. I'll try for it and find the way. > > On Tuesday, 23 October 2012 11:25:04 UTC+5:30, asgallant wrote: >> >> I've looked into this before, and to the best of my knowledge (and search >> skills), there just isn't any way to do it in javascript. I've heard of >> other people setting something up where they send the image data back to >> the server, have the server save it as a file with a .png extension, and >> redirect the browser to the new image url, which triggers the download and >> (depending on the browser and settings) may prompt the user to select the >> download location. You'll have to google it if you want to take that >> route, though, as I don't know exactly how it's done. >> >> On Tuesday, October 23, 2012 1:26:55 AM UTC-4, taps wrote: >>> >>> How can I rename it by myself.? Pls. give me some idea. Its urgent.. >>> >>> On Tuesday, 23 October 2012 10:40:00 UTC+5:30, taps wrote: >>>> >>>> I cant alert user for that for renaming it. I have to do it by myself >>>> only. Cant we open a save dialog to save the image that will provide user >>>> flexibility. >>>> >>>> On Tuesday, 23 October 2012 10:35:10 UTC+5:30, asgallant wrote: >>>>> >>>>> 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. 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