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drawImageメソッドでキャンバス上にイメージを描画していますが、イメージを描画しますが、イベントが呼び出されると空白になります。私はさまざまな方法を試みましたが、成功はしませんでしたキャンバスにイメージを表示して消えないようにしたいのですが、空白になるdataUrlにこのキャンバスをコンバージするためです。drawImageはキャンバスにイメージを描画しますが、イベントが消えると画像は消えます。画像fabricjs
私が間違っているつもりですどこ知っている誰もが私を導いてくださいしてください。 以下は私のコードです。
<!DOCTYPE html>
<html>
<head>
<title>Canvas.dataURL tainted(polluted) Issue</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
<script src="https://technology-architects.com/daulat/customizer_assets/js/bootstrap-slider.js"></script>
<script type="text/javascript" src="https://technology-architects.com/daulat/customizer_assets/js/jquery.liteuploader.js"></script>
<script type="text/javascript" src="https://files.codepedia.info/files/uploads/iScripts/html2canvas.js"></script>
<script type="text/javascript" src="https://technology-architects.com/daulat/customizer_assets/js/custom.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/1.5.0/fabric.min.js"></script>
<script src="https://technology-architects.com/daulat/customizer_assets/cartjs/cart.js"></script>
<script src="https://technology-architects.com/daulat/customizer_assets/fabric-js/custom/fabricExtensions.js"></script>
<script type="text/javascript" src="https://technology-architects.com/daulat/customizer_assets/bgrins-spectrum/spectrum.js"></script>
<script type="text/javascript" src="https://technology-architects.com/daulat/customizer_assets/js/fabric.curvedText.js"></script>
</head>
<body>
<style>
.canvas-container{display:inline-block;vertical-align:middle;}
</style>
<canvas id="canvas" height=758 width=497 style="border:1px solid lightgrey;display:inline-block;"></canvas>
<img id="curveImg" src="http://production.technology-architects.com/doulat/curtains_new/3d_view/images/sample.png" alt="" style="display:inline-block;vertical-align:middle;">
<button type="button" id="clickme">Click Me!</button>
<script>
var canvas = new fabric.Canvas('canvas');
var offsetY=[0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,23,24,25,26,27,28,29,29.5,30,30.1,30.2,30.3,30.4,30.5,30.6,30.7,30.8,30.9,30,29.5,29,28,27,26,25,24,23,22,21,20,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0.9,0.8,0.7,0.6,0.5,0.4,0.3,0.2,0.1,0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,23,24,25,26,27,28,29,29.5,30,30.1,30.2,30.3,30.4,30.5,30.6,30.7,30.8,30.9,30,29.5,29,28,27,26,25,24,23,22,21,20,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0.9,0.8,0.7,0.6,0.5,0.4,0.3,0.2,0.1,0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,23,24,25,26,27,28,29,29.5,30,30.1,30.2,30.3,30.4,30.5,30.6,30.7,30.8,30.9,30,29.5,29,28,27,26,25,24,23,22,21,20,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0.9,0.8,0.7,0.6,0.5,0.4,0.3,0.2,0.1,0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,23,24,25,26,27,28,29,29.5,30,30.1,30.2,30.3,30.4,30.5,30.6,30.7,30.8,30.9,30,29.5,29,28,27,26,25,24,23,22,21,20,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0.9,0.8,0.7,0.6,0.5,0.4,0.3,0.2,0.1,0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,23,24,25,26,27,28,29,29.5,30,30.1,30.2,30.3,30.4,30.5,30.6,30.7,30.8,30.9,30,29.5,29,28,27,26,25,24,23,22,21,20,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0.9,0.8,0.7,0.6,0.5,0.4,0.3,0.2,0.1,0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,23,24,25,26,27,28,29,29.5,30,30.1,30.2,30.3,30.4,30.5,30.6,30.7,30.8,30.9,30,29.5,29,28,27,26,25,24,23,22,21,20,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0.9,0.8,0.7,0.6,0.5,0.4,0.3,0.2,0.1,0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,23,24,25,26,27,28,29,29.5,30,30.1,30.2,30.3,30.4,30.5,30.6,30.7,30.8,30.9,30,29.5,29,28,27,26,25,24,23,22,21,20,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0.9,0.8,0.7,0.6,0.5,0.4,0.3,0.2,0.1,0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,23,24,25,26,27,28,29,29.5,30,30.1,30.2,30.3,30.4,30.5,30.6,30.7,30.8,30.9,30,29.5,29,28,27,26,25,24,23,22,21,20,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0.9,0.8,0.7,0.6,0.5,0.4,0.3,0.2,0.1,0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,23,24,25,26,27,28,29,29.5,30,30.1,30.2,30.3,30.4,30.5,30.6,30.7,30.8,30.9,30,29.5,29,28,27,26,25,24,23,22,21,20,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0.9,0.8,0.7,0.6,0.5,0.4,0.3,0.2,0.1,0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,23,24,25,26,27,28,29,29.5,30,30.1,30.2,30.3,30.4,30.5,30.6,30.7,30.8,30.9,30,29.5,29,28,27,26,25,24,23,22,21,20,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0.9,0.8,0.7,0.6,0.5,0.4,0.3,0.2,0.1,0]
var ctx = canvas.getContext("2d");
var immg = 'http://production.technology-architects.com/doulat/curtains_new/3d_view/images/sample.png';
fabric.util.loadImage(immg, function(img) {
for(var x=0;x<offsetY.length;x++){
ctx.drawImage(img,
// clip 1 pixel wide slice from the image
x,0,1,img.height,
// draw that slice with a y-offset
x,offsetY[x],1,img.height
);
}
},null, {crossOrigin:'anonymous'});
\t canvas.renderAll();
\t
\t
\t
\t
\t $(document).on('click','#clickme',function(){
\t var imagedatafinal = canvas.toDataURL('image/png');
\t console.log(imagedatafinal);
\t $('#curveImg').attr('src',imagedatafinal);
\t var imgdatafinal = imagedatafinal.replace(/^data:image\/(png|jpg);base64,/, "");
\t \t \t \t //ajax call to save image inside folder
\t \t \t \t $.ajax({
\t \t \t \t \t url: '../save_image.php',
\t \t \t \t \t data: {
\t \t \t \t \t \t imgdata:imgdatafinal
\t \t \t \t \t \t },
\t \t \t \t \t type: 'post',
\t \t \t \t \t success: function (response) {
\t \t \t \t \t $('#curveImg').attr('src',response);
\t \t \t \t \t console.log(response);
\t \t \t \t \t }
\t \t \t \t });
\t });
\t
</script>
</body>
</html>
YAHのおかげでその作品の罰金たくさん。 –