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* [perf story #59018] Export to png for gantt wg.

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This commit is contained in:
wangyidong
2024-07-15 10:04:18 +08:00
committed by 谢杞钰
parent e0fa784e61
commit 410d735a3f
1 changed files with 36 additions and 16 deletions
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lib/zin/wg/gantt/js/v1.js
+36 -16
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@@ -122,26 +122,46 @@ function drawGanttToCanvas(exportType, successCallback, errorCallback)
afterFinish(canvas);
if(errorCallback) errorCallback('Cannot convert image to blob.');
};
let width = canvas.width;
let height = canvas.height;
getRemoteScript(jsRoot + 'js/pdfjs/min.js', function()
if(isExportPDF)
{
updateProgress(0.8);
let pdf = new jsPDF(
let width = canvas.width;
let height = canvas.height;
getRemoteScript(jsRoot + 'js/pdfjs/min.js', function()
{
format: [width, height],
unit: 'px',
orientation: width > height ? 'l' : 'p'
let pdf = new jsPDF(
{
format: [width, height],
unit: 'px',
orientation: width > height ? 'l' : 'p'
});
pdf.addImage(canvas, 0, 0, pdf.internal.pageSize.getWidth(), pdf.internal.pageSize.getHeight());
pdf.save(fileName + '.pdf');
if(successCallback) successCallback(pdf);
afterFinish();
}, function(error)
{
afterFinish(canvas);
if(errorCallback) errorCallback(error);
});
pdf.addImage(canvas, 0, 0, pdf.internal.pageSize.getWidth(), pdf.internal.pageSize.getHeight());
pdf.save(fileName + '.pdf');
if(successCallback) successCallback(pdf);
afterFinish();
}, function(error)
}
else
{
afterFinish(canvas);
if(errorCallback) errorCallback(error);
});
canvas.toBlob(function(blob)
{
let imageUrl = URL.createObjectURL(blob);
if(navigator.msSaveBlob)
{
navigator.msSaveOrOpenBlob(blob, fileName + '.png');
}
else
{
$('#mainContent').append('<a id="ganttDownload" style="display:none;" download="' + fileName + '.png" target="_blank" href="' + imageUrl + '"></a>');
$('#mainContent #ganttDownload')[0].click();
}
if(successCallback) successCallback(imageUrl);
afterFinish(canvas);
});
}
}).catch(function(error)
{
afterFinish();