45 lines
1.8 KiB
Plaintext
45 lines
1.8 KiB
Plaintext
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mergeInto(LibraryManager.library, {
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DownloadFile: function (fileName, base64Data) {
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var a = document.createElement("a"); //Create <a>
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a.href = "data:image/png;base64," + UTF8ToString(base64Data); //Image Base64 Goes here
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a.download = UTF8ToString(fileName); //File name Here
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a.style.display = 'none';
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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},
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UploadFile: function (callbackMethodName) {
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var input = document.createElement("input");
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input.type = "file";
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input.accept = "image/png";
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input.onchange = function (event) {
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var file = event.target.files[0];
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if (file) {
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// Check if the file is a PNG or JPEG
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if(file.type === "image/png" || file.type === "image/jpeg") {
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const reader = new FileReader();
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reader.onload = function(event) {
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const img = new Image();
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img.onload = function() {
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const canvas = document.createElement('canvas');
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canvas.width = img.width;
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canvas.height = img.height;
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const ctx = canvas.getContext('2d');
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ctx.drawImage(img, 0, 0);
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// Convert to PNG format
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const base64String = canvas.toDataURL('image/png');
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{{{ makeDynCall('vi', 'callbackMethodName') }}} (stringToNewUTF8(base64String));
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};
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img.src = event.target.result;
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};
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reader.readAsDataURL(file);
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}
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}
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};
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input.click();
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}
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});
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