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POGet last image when drawn using touchmove event in canvas?
 

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  1. POGet last image when drawn using touchmove event in canvas?
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    <p>I am drawing image on canvas onload and giving <strong>ontouchmove</strong> event to drawn image. Issue i am facing is when image is moved in canvas, multiple instances of image are getting drawn which is correct according to functionality but i want only last instance ?</p> <pre><code> var x1 = 0; var x2 = 0; var y1 = 0; var y2 = 0; var imagesLoaded = 0; var img = ''; var img1 = ''; var img2 = ''; var img3 = ''; var img4 = ''; var img5 = ''; var img6 = ''; var context = ''; var canvas; function initImg() { canvas = document.getElementById('final'); context = canvas.getContext('2d'); img = loadImage('images/img01_res.jpg', main); img1 = loadImage('images/color_animation_img01.png', main); img2 = loadImage('images/color_animation_img02.png', main); img3 = loadImage('images/color_animation_img03.png', main); img4 = loadImage('images/color_animation_img04.png', main); img5 = loadImage('images/color_animation_img05.png', main); img6 = loadImage('images/color_animation_img06.png', main); img7 = loadImage(hidden, main); function main() { imagesLoaded += 1; if (imagesLoaded == 8) { context.drawImage(img, 0, 0); context.drawImage(img1, 22, 0); context.drawImage(img2, 68, 0); context.drawImage(img3, 114, 0); context.drawImage(img4, 160, 0); context.drawImage(img5, 207, 0); context.drawImage(img6, 253, 0); context.drawImage(img7, 48, 72); var d = canvas.toDataURL("image/png"); } } } var x1 = 0; var x2 = 0; var y1 = 0; var y2 = 0; var imagesLoaded = 0; var img = ''; var img1 = ''; var img2 = ''; var img3 = ''; var img4 = ''; var img5 = ''; var img6 = ''; var context = ''; var canvas; function initImg() { canvas = document.getElementById('final'); context = canvas.getContext('2d'); img = loadImage('images/img01_res.jpg', main); img1 = loadImage('images/color_animation_img01.png', main); img2 = loadImage('images/color_animation_img02.png', main); img3 = loadImage('images/color_animation_img03.png', main); img4 = loadImage('images/color_animation_img04.png', main); img5 = loadImage('images/color_animation_img05.png', main); img6 = loadImage('images/color_animation_img06.png', main); img7 = loadImage(hidden, main); function main() { imagesLoaded += 1; if (imagesLoaded == 8) { context.drawImage(img, 0, 0); context.drawImage(img1, 22, 0); context.drawImage(img2, 68, 0); context.drawImage(img3, 114, 0); context.drawImage(img4, 160, 0); context.drawImage(img5, 207, 0); context.drawImage(img6, 253, 0); context.drawImage(img7, 48, 72); var d = canvas.toDataURL("image/png"); } } } function loadImage(src, onload) { var img = new Image(); img.onload = onload; img.src = src; return img; } function onTouchstart(id, event) { try { x1 = event.touches[0].pageX; y1 = event.touches[0].pageY; } catch (error) { try { x1 = event.clientX; y1 = event.clientY; } catch (ex) { } } try { event.preventDefault(); } catch (e) { } } function onTouchmove(id, event) { try { x2 = event.touches[0].pageX; y2 = event.touches[0].pageY; } catch (error) { try { x2 = event.clientX; y2 = event.clientY; } catch (ex) { } } try { event.preventDefault(); } catch (e) { } context.drawImage(img1, x2, y2); } function loadImage(src, onload) { var img = new Image(); img.onload = onload; img.src = src; return img; } function onTouchstart(id, event) { try { x1 = event.touches[0].pageX; y1 = event.touches[0].pageY; } catch (error) { try { x1 = event.clientX; y1 = event.clientY; } catch (ex) { } } try { event.preventDefault(); } catch (e) { } } function onTouchmove(id, event) { try { x2 = event.touches[0].pageX; y2 = event.touches[0].pageY; } catch (error) { try { x2 = event.clientX; y2 = event.clientY; } catch (ex) { } } try { event.preventDefault(); } catch (e) { } context.drawImage(img1, x2, y2); } </code></pre>
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    1. COWhy not prepare a fiddle with the essential code?
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      1. POGet last image when drawn using touchmove event in canvas?
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