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snaparea.js
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snaparea.js
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function getScreenshot(callback) {
getScreenshotArea(function (area) {
html2canvas(document.body, {
onrendered: function (canvas) {
var econt = document.createElement("CANVAS");
econt.width = area.width;
econt.height = area.height;
//document.body.appendChild(econt);
var canv = econt.getContext('2d');
canv.drawImage(canvas, -area.x, -area.y);
callback(econt.toDataURL("image/png"));
}
});
}, "Screenshot");
}
function getAreaCanvas(area, cback){
html2canvas(document.body, {
onrendered: function (canvas) {
var econt = document.createElement("CANVAS");
econt.width = area.width;
econt.height = area.height;
var canv = econt.getContext('2d');
canv.drawImage(canvas, -area.x, -area.y);
cback(econt);
}
});
}
function getScreenshotArea(callback, titlet) {
var title = titlet;
if (title == undefined) {
title = "Area Select";
}
var initc = undefined;
var startc = undefined;
var endc = undefined;
var tc = undefined;
var snapListen = false;
var resizing = false;
var fullDone = false;
var dragSelection = true;
var selType = "moving";
var unloadfunc = function (torem) {
fullDone = true;
startc = undefined;
snapListen = false;
var elm1 = document.getElementById("myrect");
var elm2 = document.getElementById("mycoord");
var elm3 = document.getElementById("overlay-1");
var elm4 = document.getElementById("overlay-2");
var elm5 = document.getElementById("overlay-3");
var elm6 = document.getElementById("overlay-4");
elm1.parentNode.removeChild(elm1);
elm2.parentNode.removeChild(elm2);
elm3.parentNode.removeChild(elm3);
elm4.parentNode.removeChild(elm4);
elm5.parentNode.removeChild(elm5);
elm6.parentNode.removeChild(elm6);
document.body.removeEventListener('click', torem);
document.body.removeEventListener('keyup', torem);
};
//Drag area should probably be default
dragSelection = true;
document.body.addEventListener("keyup", function myFunction2(e) {
if (e.keyCode == 27) {
e.preventDefault();
unloadfunc(arguments.callee);
}
});
var getPoint = function (e) {
x = e.clientX;
y = e.clientY;
tc = {
x: x,
y: y
};
return tc;
}
var setArea = function (oc) {
var w = oc.x2 - oc.x;
var h = oc.y2 - oc.y;
//part 1
document.getElementById("overlay-1").style.width = oc.x + "px";
document.getElementById("overlay-1").style.height = (oc.y + h) + "px";
document.getElementById("overlay-2").style.width = "125%";
document.getElementById("overlay-2").style.height = oc.y + "px";
document.getElementById("overlay-2").style.top = "0px";
document.getElementById("overlay-2").style.left = oc.x + "px";
document.getElementById("overlay-3").style.width = "125%";
document.getElementById("overlay-3").style.height = "125%";
document.getElementById("overlay-3").style.top = oc.y + "px";
document.getElementById("overlay-3").style.left = (oc.x + w) + "px";
document.getElementById("overlay-4").style.width = (oc.x + w) + "px";
document.getElementById("overlay-4").style.height = "125%";
document.getElementById("overlay-4").style.top = (oc.y + h) + "px";
style = 'cursor:se-resize;position:absolute;bottom:-17px;right:-17px;border:2px solid rgb(0, 160, 0);background-color:#00FF00;border-radius:10px;width:15px;height:15px'
document.getElementById("overlay-4").style.left = "0px";
document.getElementById("myrect").style.top = oc.y + "px";
document.getElementById("myrect").style.left = oc.x + "px";
document.getElementById("myrect").style.width = w + "px";
document.getElementById("myrect").style.height = h + "px";
startc={};
endc={};
startc.x = oc.x;
startc.y = oc.y;
endc.x = oc.x2;
endc.y = oc.y2;
};
document.body.addEventListener("mousemove", function myFunction(e) {
if (snapListen) {
console.log("resizing");
tc = getPoint(e);
var oc = JSON.parse(JSON.stringify(startc));
if (selType == "moving") {
var mx = tc.x - initc.x;
var my = tc.y - initc.y;
oc.x = startc.x + (mx);
oc.y = startc.y + (my);
tc.x = endc.x + (mx);
tc.y = endc.y + (my);
}
document.getElementById("mycoord").style.top = (tc.y + window.pageYOffset - 13) + "px";
document.getElementById("mycoord").style.left = (tc.x + window.pageXOffset - 13) + "px";
if (startc != undefined) {
var w = tc.x - oc.x;
var h = tc.y - oc.y;
//part 1
document.getElementById("overlay-1").style.width = oc.x + "px";
document.getElementById("overlay-1").style.height = (oc.y + h) + "px";
document.getElementById("overlay-2").style.width = "125%";
document.getElementById("overlay-2").style.height = oc.y + "px";
document.getElementById("overlay-2").style.top = "0px";
document.getElementById("overlay-2").style.left = oc.x + "px";
document.getElementById("overlay-3").style.width = "125%";
document.getElementById("overlay-3").style.height = "125%";
document.getElementById("overlay-3").style.top = oc.y + "px";
document.getElementById("overlay-3").style.left = (oc.x + w) + "px";
document.getElementById("overlay-4").style.width = (oc.x + w) + "px";
document.getElementById("overlay-4").style.height = "125%";
document.getElementById("overlay-4").style.top = (oc.y + h) + "px";
style = 'cursor:se-resize;position:absolute;bottom:-17px;right:-17px;border:2px solid rgb(0, 160, 0);background-color:#00FF00;border-radius:10px;width:15px;height:15px'
document.getElementById("overlay-4").style.left = "0px";
document.getElementById("myrect").style.top = oc.y + "px";
document.getElementById("myrect").style.left = oc.x + "px";
document.getElementById("myrect").style.width = w + "px";
document.getElementById("myrect").style.height = h + "px";
coor = startc.x + "," + startc.y + "-" + tc.x + "," + tc.y;
} else {
coor = tc.x + "," + tc.y;
}
document.getElementById("coordText").innerHTML = coor
} else {
console.log("no listen");
if (fullDone) {
document.body.removeEventListener('mousemove', arguments.callee);
}
}
////console.log(coor);
}, false);
var selectionEvent = function (e) {
if (snapListen) {
tc = getPoint(e);
if (startc == undefined) {
startc = tc;
document.getElementById("myrect").style.top = (tc.y + window.pageYOffset) + "px";
document.getElementById("myrect").style.left = (tc.x + window.pageXOffset) + "px";
} else {
if (resizing) {
resizing = false;
} else {
if (selType == "moving") {
var mx = tc.x - initc.x;
var my = tc.y - initc.y;
startc.x = startc.x + (mx);
startc.y = startc.y + (my);
endc.x = endc.x + (mx);
endc.y = endc.y + (my);
} else if (selType != "confirm") {
endc = tc;
}
var rect = {
x: startc.x,
y: startc.y,
height: (endc.y - startc.y),
width: (endc.x - startc.x)
};
snapListen = false;
selType = "done";
if (fullDone) {
unloadfunc(arguments.callee);
callback(rect);
}
}
}
} else {
}
};
if (!dragSelection) {
document.body.addEventListener("click", selectionEvent, false);
} else {
document.body.addEventListener("mouseup", selectionEvent, false);
document.body.addEventListener("mousedown", selectionEvent, false);
}
var tut = {};
var okbutton = "<button style='position:absolute;bottom:-50px;left:0px;' id='confirmSelect'>Confirm</button>";
var resizeDiv1 = "<div style='cursor:nw-resize;position:absolute;top:0px;left:0px;border:2px solid blue;background-color:#000088;width:25px;height:25px'></div>";
var resizeDiv2 = "<div style='cursor:ne-resize;position:absolute;top:0px;right:0px;border:2px solid blue;background-color:#000088;width:25px;height:25px'></div>";
var resizeDiv3 = "<div style='cursor:sw-resize;position:absolute;bottom:0px;left:0px;border:2px solid blue;background-color:#000088;width:25px;height:25px'></div>";
var resizeDiv4 = "<div id='botrightresize' style='cursor:se-resize;position:absolute;bottom:-17px;right:-17px;border:2px solid rgb(0, 160, 0);background-color:#00FF00;border-radius:10px;width:15px;height:15px'></div>";
var styleov = 'cursor:crosshair;width: 100%;height: 100%;position: absolute;top: 0px;left: 0px;background: rgba(0, 0, 0, 0.25); font-size: 20pt; color: white; /* display: none; */ z-index: 999999 !important; text-align: center; position: fixed;';
var styleov2 = 'cursor:crosshair;width: 0;height: 0;position: absolute;top: 0px;left: 0px;background: rgba(0, 0, 0, 0.25); font-size: 20pt; color: white; /* display: none; */ z-index: 999999 !important; text-align: center; position: fixed;';
tut = document.createElement("DIV");
tut.setAttribute("style", styleov);
tut.id = "overlay-1";
//tut.innerHTML=resizeDiv;
document.body.appendChild(tut);
tut = document.createElement("DIV");
tut.setAttribute("style", styleov2);
tut.id = "overlay-2";
//tut.innerHTML=resizeDiv;
document.body.appendChild(tut);
tut = document.createElement("DIV");
tut.setAttribute("style", styleov2);
tut.id = "overlay-3";
//tut.innerHTML=resizeDiv;
document.body.appendChild(tut);
tut = document.createElement("DIV");
tut.setAttribute("style", styleov2);
tut.id = "overlay-4";
//tut.innerHTML=resizeDiv;
document.body.appendChild(tut);
var econt = document.createElement("DIV");
econt.innerHTML += "<div id='myrect' style='cursor:move;position:absolute;border:1px dashed black;top:0px;left:0px;width:0px;height:0px'>" +
"<div style='padding:5px;border-radius:0px;position:absolute;background:rgb(76, 126, 231);color:white;top:-29px;left:0px;'>" + title + "</div>" +
//resizeDiv1+
//resizeDiv2+
//resizeDiv3+
resizeDiv4 + okbutton + "</div>";
econt.innerHTML += "<div id='mycoord' style='overflow:hidden;padding:0px;margin:0px;position:absolute;opacity:0.0;top:0px;left:0px;width:1px;height:1px'><div id='coordText'></div></div>"
document.body.appendChild(econt);
document.getElementById("myrect").style.zIndex = 999999;
document.getElementById("mycoord").style.zIndex = 1999999;
document.getElementById("myrect").addEventListener("mousedown", function (e) {
if (selType != "resizing") {
console.log("moving");
snapListen = true;
resizing = true;
initc = getPoint(e);
selType = "moving";
e.preventDefault();
return false;
}
}, false);
document.getElementById("confirmSelect").style.zIndex = 2999999;
document.getElementById("confirmSelect").addEventListener("click", function (e) {
snapListen = true;
fullDone = true;
resizing = false;
selType = "confirm";
selectionEvent(e);
}, false);
document.getElementById("botrightresize").addEventListener("mousedown", function (e) {
endc = undefined;
e.preventDefault();
snapListen = true;
resizing = true;
selType = "resizing";
console.log("down");
return false;
}, false);
setArea({x:50,y:50,x2:250,y2:250});
}