1.0Merkulova portfoolio | enghttps://merkulova.thkit.ee/wp/engadminhttps://merkulova.thkit.ee/wp/eng/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="WtiPD5ZkhJ"><a href="https://merkulova.thkit.ee/wp/eng/js-canvas-joonistamine/">JS: canvas drawing</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://merkulova.thkit.ee/wp/eng/js-canvas-joonistamine/embed/#?secret=WtiPD5ZkhJ" width="600" height="338" title="“JS: canvas drawing” — Merkulova portfoolio | eng" data-secret="WtiPD5ZkhJ" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://merkulova.thkit.ee/wp/eng/wp-includes/js/wp-embed.min.js /* ]]> */ </script> Joonistamine JS-ga R: Laius Kõrgus Lipud canvas#tahvel{ background-color: lightpink; border: 1px solid black; } canvas#lipp{ border: 1px solid gray; } h1{ font-size:22pt; } //sirge joon function sirgeJoon(){ //määrame tahvli const tahvel=document.getElementById(“tahvel”); if(tahvel.getContext){ let t=tahvel.getContext(“2d”); // anname tahvlinimi on t //joon t.beginPath(); t.strokeStyle=”red”; t.lineWidth = 1; t.moveTo(20,80); //alguspunkt t.lineTo(50,30); //lõpppunkt t.stroke(); } } //kolmnurk function kolmnurk(){ //määrame tahvli const tahvel=document.getElementById(“tahvel”); if(tahvel.getContext){ let t=tahvel.getContext(“2d”); // anname tahvlinimi on t //joon t.beginPath(); t.strokeStyle=”red”; t.fillStyle=”red”; //taust t.lineWidth = 1; t.moveTo(50,100); //alguspunkt t.lineTo(150,100); t.lineTo(150,200); t.lineTo(50,100); //lõpppunkt t.stroke(); t.fill(); } } function puhasta(){ const tahvel=document.getElementById(“tahvel”); if(tahvel.getContext) { let t = tahvel.getContext(“2d”); t.clearRect(0,0,300,250); // 0,0 -vasak üleval tahvli nurk, 300-tahvli laius, 250- tahvli kõrgus } } //ring function ring(){ //määrame tahvli const tahvel=document.getElementById(“tahvel”); let r=document.getElementById(“raadius”); if(tahvel.getContext){ let t=tahvel.getContext(“2d”); // anname tahvlinimi on t //ümberjoon t.beginPath(); t.strokeStyle=”green”; t.lineWidth = 1; t.arc(50,50, r.value, 0, 2*Math.PI, true); //x, y-keskpunkt, R t.stroke(); //ring t.beginPath(); t.fillStyle=”green”; t.lineWidth = 1; t.arc(50,120, r.value, 0, 2*Math.PI, true); //x, y-keskpunkt, R t.fill(); } } function ristkylik(){ const tahvel=document.getElementById(“tahvel”); let laius=document.getElementById(“laius”); let korgus=document.getElementById(“korgus”); if(tahvel.getContext) { let t = tahvel.getContext(“2d”); t.fillStyle=”yellow”; t.fillRect(50,30,laius.value,korgus.value); // 0,0 -vasak üleval tahvli nurk, 300-tahvli laius, 250- tahvli kõrgus } } function pilt(){ const tahvel=document.getElementById(“tahvel”); if(tahvel.getContext) { let t = tahvel.getContext(“2d”); const fail=new Image(); fail.src=”https://picsum.photos/100/200?random=1″; fail.onload = () => { t.drawImage(fail, 50, 50, 100, 200); } } } function eestiLipp(){ const lipp=document.getElementById(“lipp”); if(lipp.getContext) { let l = lipp.getContext(“2d”); l.fillStyle=”blue”; l.fillRect(0,0,330,70); l.fillStyle=”black”; l.fillRect(0,70,330,70); l.fillStyle=”white”; l.fillRect(0,140,330,70); } } function prantsusmaa(){ const lipp=document.getElementById(“lipp”); if(lipp.getContext) { let l = lipp.getContext(“2d”); l.fillStyle=”blue”; l.fillRect(0,0,110,210); l.fillStyle=”white”; l.fillRect(110,0,220,210); l.fillStyle=”red”; l.fillRect(220,0,330,210); const fail=new Image(); fail.src=”https://merkulova.thkit.ee/wp/wp-content/uploads/2025/10/plankton.jpg”; fail.onload = () => { l.drawImage(fail, 50, 50, 100, 200); } } }