mirror of
https://github.com/Doodle3D/doodle3d-client.git
synced 2024-11-16 15:47:55 +01:00
624 lines
18 KiB
JavaScript
624 lines
18 KiB
JavaScript
/* * * * * * * * * *
|
|
*
|
|
* VARS
|
|
*
|
|
* * * * * * * * * */
|
|
var preview;
|
|
var previewCtx;
|
|
|
|
var svgPathRegExp = /[LM]\d* \d*/ig;
|
|
var svgPathParamsRegExp = /([LM])(\d*) (\d*)/;
|
|
|
|
var dragging = false;
|
|
|
|
var $canvas, canvas, ctx;
|
|
var canvasWidth, canvasHeight;
|
|
|
|
var drawCanvas;
|
|
var drawCanvasTopLeftCoords = [0, 0];
|
|
|
|
var doodleBounds = [-1, -1, -1, -1]; // left, top, right, bottom
|
|
// var doodleScaleVals = [[0, 0], [1.0, 1.0]]; // [ [x, y], [scaleX, scaleY] ]
|
|
var doodleTransform = [0, 0, 1.0, 1.0]; // [ x, y, scaleX, scaleY ]
|
|
|
|
var _points = [];
|
|
|
|
var prevCountingTime = 0;
|
|
var movementCounter = 0;
|
|
|
|
var drawVariableLineWeight = false; // set to true to have the momentum of the mouse/touch movement result in larger/smaller strokes
|
|
var lineweight = 2;
|
|
|
|
/* * * * * * * * * *
|
|
*
|
|
* INIT
|
|
*
|
|
* * * * * * * * * */
|
|
function initDoodleDrawing() {
|
|
console.log("f:initDoodleDrawing()");
|
|
|
|
$canvas = $("#mycanvas");
|
|
canvas = $canvas[0];
|
|
ctx = canvas.getContext('2d');
|
|
|
|
canvasWidth = canvas.width;
|
|
canvasHeight = canvas.height;
|
|
|
|
|
|
//*
|
|
//TODO make these jquery eventhandlers (works for all)
|
|
if (!canvas.addEventListener) {
|
|
canvas.attachEvent('onmousedown',onCanvasMouseDown);
|
|
canvas.attachEvent('onmousemove',onCanvasMouseMove);
|
|
canvas.attachEvent('onmouseup',onCanvasMouseUp);
|
|
canvas.attachEvent('ontouchstart',onCanvasTouchDown);
|
|
canvas.attachEvent('ontouchmove',onCanvasTouchMove);
|
|
canvas.attachEvent('ontouchend',onCanvasTouchEnd);
|
|
document.body.attachEvent('ontouchmove',prevent);
|
|
} else {
|
|
canvas.addEventListener('mousedown',onCanvasMouseDown,false);
|
|
canvas.addEventListener('mousemove',onCanvasMouseMove,false);
|
|
canvas.addEventListener('mouseup',onCanvasMouseUp,false);
|
|
canvas.addEventListener('touchstart',onCanvasTouchDown,false);
|
|
canvas.addEventListener('touchmove',onCanvasTouchMove,false);
|
|
canvas.addEventListener('touchend',onCanvasTouchEnd,false);
|
|
if (!debugMode) document.body.addEventListener('touchmove',prevent,false);
|
|
}
|
|
//*/
|
|
|
|
// drawCanvas = $(".drawareacontainer");
|
|
drawCanvas = $("#mycanvasContainer"); // $("#drawAreaContainer")
|
|
|
|
console.log("drawCanvasTopLeftCoords: " + drawCanvasTopLeftCoords);
|
|
// drawCanvasTopLeftCoords[0] = drawCanvas.css("left").match(/[0-9]/g).join("");
|
|
// drawCanvasTopLeftCoords[1] = drawCanvas.css("top").match(/[0-9]/g).join("");
|
|
drawCanvasTopLeftCoords[0] = drawCanvas.offset().left;
|
|
drawCanvasTopLeftCoords[1] = drawCanvas.offset().top;
|
|
// drawCanvasTopLeftCoords[0] = drawCanvas[0].offsetParent.offsetLeft;
|
|
// drawCanvasTopLeftCoords[1] = drawCanvas[0].offsetParent.offsetTop;
|
|
|
|
console.log("f:initDoodleDrawing() >> canvasWidth: " + canvasWidth);
|
|
console.log("f:initDoodleDrawing() >> canvasHeight: " + canvasHeight);
|
|
|
|
}
|
|
|
|
/* * * * * * * * * *
|
|
*
|
|
* CANVAS DRAWING FUNCTION
|
|
*
|
|
* * * * * * * * * */
|
|
function draw(_x, _y, _width) {
|
|
// console.log("f:draw() >> _width: " + _width);
|
|
|
|
if (prevX == 0 && prevY ==0) {
|
|
prevX = _x;
|
|
prevY = _y;
|
|
}
|
|
|
|
ctx.beginPath();
|
|
ctx.moveTo(prevX, prevY);
|
|
ctx.lineTo(_x, _y);
|
|
|
|
if (_width != undefined) {
|
|
ctx.lineWidth = _width;
|
|
} else {
|
|
if (drawVariableLineWeight) {
|
|
var dist = Math.sqrt(Math.pow((prevX - _x), 2) + Math.pow((prevY - _y), 2));
|
|
if (dist < 10) {
|
|
lineweight += .25;
|
|
} else if (dist < 20) {
|
|
lineweight += .5;
|
|
} else if (dist < 30) {
|
|
lineweight += .75;
|
|
} else if (dist < 50) {
|
|
lineweight += 1;
|
|
} else if (dist < 80) {
|
|
lineweight += 1.5;
|
|
} else if (dist < 120) {
|
|
lineweight += 2.25;
|
|
} else if (dist < 170) {
|
|
lineweight += 3.5;
|
|
} else {
|
|
lineweight += 2;
|
|
}
|
|
lineweight = Math.min(lineweight, 30);
|
|
lineweight *= 0.90;
|
|
lineweight = Math.max(lineweight, 1.0);
|
|
} else {
|
|
lineweight = 2;
|
|
}
|
|
|
|
ctx.lineWidth = lineweight;
|
|
}
|
|
ctx.lineCap = 'round';
|
|
ctx.stroke();
|
|
|
|
prevX = _x;
|
|
prevY = _y;
|
|
}
|
|
|
|
|
|
/* * * * * * * * * *
|
|
*
|
|
* SUPPORTING FUNCTIONS
|
|
*
|
|
* * * * * * * * * */
|
|
function clearDoodle() {
|
|
console.log("f:clearDoodle");
|
|
|
|
_points = [];
|
|
|
|
prevX = 0;
|
|
prevY = 0;
|
|
|
|
updatePrevX = -1;
|
|
updatePrevY = -1;
|
|
|
|
doodleBounds = [-1, -1, -1, -1]; // left, top, right, bottom
|
|
doodleTransform = [0, 0, 1.0, 1.0]; // [ x, y, scaleX, scaleY ]
|
|
|
|
dragging = false;
|
|
|
|
clearMainView();
|
|
resetPreview();
|
|
resetVerticalShapes();
|
|
}
|
|
|
|
function redrawDoodle() {
|
|
console.log("f:redrawDoodle()");
|
|
|
|
clearMainView();
|
|
|
|
prevX = 0;
|
|
prevY = 0;
|
|
|
|
for (var i = 0; i < _points.length; i++) {
|
|
// console.log(" drawing points " + _points[i]);
|
|
if (_points[i][2] == true) {
|
|
draw(_points[i][0], _points[i][1], 0.5);
|
|
} else {
|
|
draw(_points[i][0], _points[i][1]);
|
|
}
|
|
}
|
|
}
|
|
|
|
function adjustBounds(x, y) {
|
|
var newPointsOutsideOfCurrentBounds = false;
|
|
console.log("f:adjustBounds("+x+","+y+")");
|
|
|
|
if (doodleBounds[0] == -1) {
|
|
// if doodleBounds[0] is -1 then it isn't initted yet, so x and y are both the min and max vals
|
|
|
|
doodleBounds[0] = x;
|
|
doodleBounds[1] = y;
|
|
doodleBounds[2] = x;
|
|
doodleBounds[3] = y;
|
|
return;
|
|
}
|
|
|
|
if (x < doodleBounds[0]) {
|
|
doodleBounds[0] = x;
|
|
newPointsOutsideOfCurrentBounds = true;
|
|
}
|
|
if (x > doodleBounds[2]) {
|
|
doodleBounds[2] = x;
|
|
newPointsOutsideOfCurrentBounds = true;
|
|
}
|
|
if (y < doodleBounds[1]) {
|
|
doodleBounds[1] = y;
|
|
newPointsOutsideOfCurrentBounds = true;
|
|
}
|
|
if (y > doodleBounds[3]) {
|
|
doodleBounds[3] = y;
|
|
newPointsOutsideOfCurrentBounds = true;
|
|
}
|
|
// doodleBounds[0] = Math.min(doodleBounds[0], x); // left
|
|
// doodleBounds[2] = Math.max(doodleBounds[2], x); // right
|
|
//
|
|
// doodleBounds[1] = Math.min(doodleBounds[1], y); // top
|
|
// doodleBounds[3] = Math.max(doodleBounds[3], y); // bottom
|
|
|
|
// draw the bounding rect (DEBUG)
|
|
/*
|
|
ctx.beginPath();
|
|
ctx.rect(doodleBounds[0],doodleBounds[1], doodleBounds[2] - doodleBounds[0], doodleBounds[3] - doodleBounds[1]);
|
|
ctx.lineWidth = .2;
|
|
ctx.strokeStyle = "#333"
|
|
ctx.stroke();
|
|
ctx.closePath();
|
|
//*/
|
|
|
|
// console.log(" new bounds: " + doodleBounds);
|
|
|
|
return newPointsOutsideOfCurrentBounds;
|
|
}
|
|
|
|
// does what exactly?
|
|
function adjustPreviewTransformation() {
|
|
// console.log("f:adjustPreviewTransformation()");
|
|
|
|
// doodleTransform[0] = doodleBounds[0] - (doodleBounds[2] - doodleBounds[0]) / 2;
|
|
// doodleTransform[1] = doodleBounds[1] - (doodleBounds[3] - doodleBounds[1]) / 2;
|
|
// doodleTransform[0] = doodleBounds[0] - ((doodleBounds[2] - doodleBounds[0]) / 2);
|
|
// doodleTransform[1] = doodleBounds[1] - ((doodleBounds[3] - doodleBounds[1]) / 2);
|
|
doodleTransform[0] = doodleBounds[0];
|
|
doodleTransform[1] = doodleBounds[1];
|
|
|
|
var sclX, sclY, finalScl;
|
|
if (_points.length < 2) {
|
|
// console.log(_points);
|
|
sclX = 1.0;
|
|
sclY = 1.0;
|
|
finalScl = Math.min(sclX, sclY);
|
|
} else {
|
|
sclX = canvasWidth / (doodleBounds[2] - doodleBounds[0]);
|
|
sclY = canvasHeight / (doodleBounds[3] - doodleBounds[1]);
|
|
|
|
// TODO this shouldn't be a matter if choosing the smallest but should probably involve maintaining aspect ratio??
|
|
finalScl = Math.min(sclX, sclY);
|
|
}
|
|
|
|
doodleTransform[2] = finalScl;
|
|
doodleTransform[3] = finalScl;
|
|
}
|
|
|
|
|
|
//TODO: use local variables instead of _points,numLayers,VERTICALSHAPE and rStep so we can leave a current doodle in tact if an error occurs while parsing
|
|
function loadFromSvg(svgData) {
|
|
var mode = '', x = 0, y = 0;
|
|
|
|
console.log("loading " + svgData.length + " bytes of data...");
|
|
|
|
clearDoodle();
|
|
|
|
var p = svgData.indexOf("<path");
|
|
if (p == -1) { console.log("loadFromSvg: could not find parsing start point"); return false; }
|
|
p = svgData.indexOf('d="', p);
|
|
if (p == -1) { console.log("loadFromSvg: could not find parsing start point"); return false; }
|
|
p += 3; //skip 'd="'
|
|
|
|
var skipSpace = function() { while (svgData.charAt(p) == ' ') p++; }
|
|
var parseCommand = function() {
|
|
while (true) {
|
|
skipSpace();
|
|
var c = svgData.charAt(p);
|
|
if (c == 'M' || c == 'm' || c == 'l') { //new command letter
|
|
mode = c;
|
|
} else if (c == '"') { //end of command chain
|
|
return true;
|
|
} else { //something else, must be a pair of coordinates...
|
|
var tx = 0, ty = 0, numberEnd = 0, len = 0;
|
|
numberEnd = svgData.indexOf(',', p);
|
|
if (numberEnd == -1) { console.log("could not find comma in coordinate pair"); return false; }
|
|
len = numberEnd - p;
|
|
tx = parseInt(svgData.substr(p, len));
|
|
p += len + 1;
|
|
skipSpace();
|
|
numberEnd = svgData.indexOf(' ', p);
|
|
if (numberEnd == -1) { console.log("could not find space after coordinate pair"); return false; }
|
|
len = numberEnd - p;
|
|
ty = parseInt(svgData.substr(p, len));
|
|
p += len;
|
|
|
|
if (mode == 'M' || mode == 'L') {
|
|
x = tx; y = ty;
|
|
} else if (mode == 'm' || mode == 'l') {
|
|
x += tx; y += ty;
|
|
} else {
|
|
console.log("loadFromSvg: found coordinate pair but mode was never set");
|
|
return false;
|
|
}
|
|
|
|
var isMove = mode == 'm' || mode == 'M';
|
|
|
|
//TODO: create script-wide function for adding points?
|
|
//console.log("inserting "+x+","+y+" ",isMove);
|
|
updatePrevX = x;
|
|
updatePrevY = y;
|
|
_points.push([x, y, isMove]);
|
|
adjustBounds(x, y);
|
|
adjustPreviewTransformation();
|
|
|
|
if (isMove) draw(x, y, .5);
|
|
else draw(x, y);
|
|
}
|
|
p++;
|
|
}
|
|
|
|
return true;
|
|
};
|
|
|
|
parseCommand(); //depends on value of p, so don't move this without taking that into consideration
|
|
|
|
const fieldDefMarker = "<!--<![CDATA[d3d-keys";
|
|
p = svgData.indexOf(fieldDefMarker);
|
|
if (p == -1) { console.log("loadFromSvg: could not find metadata marker"); return false; }
|
|
p += fieldDefMarker.length;
|
|
skipSpace();
|
|
|
|
var endP = svgData.indexOf("]]>-->", p);
|
|
if (endP == -1) { console.log("loadFromSvg: could not find metadata end-marker"); return false; }
|
|
var metaFields = JSON.parse(svgData.substr(p, endP - p));
|
|
//TODO: log error and return false if parsing failed
|
|
for (var k in metaFields) {
|
|
var v = metaFields[k];
|
|
switch (k) {
|
|
case "height": numLayers = v; break;
|
|
case "outlineShape": VERTICALSHAPE = v; break;
|
|
case "twist": rStep = v; break;
|
|
}
|
|
}
|
|
|
|
renderToImageDataPreview();
|
|
|
|
return true;
|
|
}
|
|
|
|
//SVG validator: http://validator.w3.org/
|
|
//SVG viewer: http://svg-edit.googlecode.com/svn/branches/2.6/editor/svg-editor.html
|
|
function saveToSvg() {
|
|
var lastX = 0, lastY = 0, lastIsMove;
|
|
var svg = '';
|
|
|
|
var boundsWidth = doodleBounds[2] - doodleBounds[0];
|
|
var boundsHeight = doodleBounds[3] - doodleBounds[1];
|
|
|
|
svg += '<?xml version="1.0" standalone="no"?>\n';
|
|
svg += '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n';
|
|
svg += '<svg width="' + boundsWidth + '" height="' + boundsHeight + '" version="1.1" xmlns="http://www.w3.org/2000/svg">\n';
|
|
svg += '\t<desc>Doodle 3D sketch</desc>\n';
|
|
|
|
var data = '';
|
|
for (var i = 0; i < _points.length; ++i) {
|
|
var x = _points[i][0], y = _points[i][1], isMove = _points[i][2];
|
|
var dx = x - lastX, dy = y - lastY;
|
|
|
|
if (i == 0)
|
|
data += 'M'; //emit absolute move on first pair of coordinates
|
|
else if (isMove != lastIsMove)
|
|
data += isMove ? 'm' : 'l';
|
|
|
|
data += dx + ',' + dy + ' ';
|
|
|
|
lastX = x;
|
|
lastY = y;
|
|
lastIsMove = isMove;
|
|
}
|
|
|
|
svg += '\t<path transform="translate(' + -doodleBounds[0] + ',' + -doodleBounds[1] + ')" d="' + data + '" fill="none" stroke="black" stroke-width="2" />\n';
|
|
|
|
var fields = JSON.stringify({'height': numLayers, 'outlineShape': VERTICALSHAPE, 'twist': rStep});
|
|
svg += '\t<!--<![CDATA[d3d-keys ' + fields + ']]>-->\n';
|
|
|
|
svg += '</svg>\n';
|
|
|
|
return svg;
|
|
}
|
|
|
|
|
|
/* * * * * * * * * *
|
|
*
|
|
* MOUSE/TOUCH EVENTHANDLERS
|
|
*
|
|
* * * * * * * * * */
|
|
function onCanvasMouseDown(e) {
|
|
// console.log("onmousedown >> e.offsetX,e.offsetY = " + e.offsetX+","+e.offsetY);
|
|
// console.log("onmousedown >> e.layerX,e.layerY= " + e.layerX+","+e.layerY);
|
|
// console.log("onmousedown >> e: " + e);
|
|
// console.log(e);
|
|
// console.log("f:onCanvasMouseDown()");
|
|
dragging = true;
|
|
|
|
prevCountingTime = new Date().getTime();
|
|
movementCounter = 0
|
|
|
|
// _points.push([e.clientX - canvas.offsetLeft, e.clientY - canvas.offsetTop, true]);
|
|
// adjustBounds(e.clientX - canvas.offsetLeft, e.clientY - canvas.offsetTop);
|
|
// adjustPreviewTransformation();
|
|
// draw(e.clientX - canvas.offsetLeft, e.clientY - canvas.offsetTop, 0.5);
|
|
|
|
var x, y;
|
|
if (e.offsetX != undefined) {
|
|
x = e.offsetX;
|
|
y = e.offsetY;
|
|
} else {
|
|
x = e.layerX;
|
|
y = e.layerY;
|
|
}
|
|
// console.log(" x: " + x + ", y: " + y);
|
|
|
|
_points.push([x, y, true]);
|
|
adjustBounds(x, y);
|
|
adjustPreviewTransformation();
|
|
draw(x, y, 0.5);
|
|
setSketchModified(true);
|
|
}
|
|
|
|
var prevPoint = {x:-1, y:-1};
|
|
function onCanvasMouseMove(e) {
|
|
// console.log("f:onCanvasMouseMove()");
|
|
if (!dragging) return;
|
|
// console.log("onmousemove");
|
|
|
|
var x, y;
|
|
if (e.offsetX != undefined) {
|
|
x = e.offsetX;
|
|
y = e.offsetY;
|
|
} else {
|
|
x = e.layerX;
|
|
y = e.layerY;
|
|
}
|
|
|
|
if (prevPoint.x != -1 || prevPoint.y != -1) {
|
|
var dist = Math.sqrt(Math.pow((prevPoint.x - x), 2) + Math.pow((prevPoint.y - y), 2));
|
|
if (dist > 5) { // replace by setting: doodle3d.simplify.minDistance
|
|
_points.push([x, y, false]);
|
|
adjustBounds(x, y)
|
|
adjustPreviewTransformation();
|
|
draw(x, y);
|
|
prevPoint.x = x;
|
|
prevPoint.y = y;
|
|
}
|
|
} else {
|
|
_points.push([x, y, false]);
|
|
adjustBounds(x, y)
|
|
adjustPreviewTransformation();
|
|
draw(x, y);
|
|
prevPoint.x = x;
|
|
prevPoint.y = y;
|
|
}
|
|
|
|
// DEBUG
|
|
// $("#textdump").text("");
|
|
// $("#textdump").append("doodlebounds:" + doodleBounds + "\n");
|
|
// $("#textdump").append("doodletransform:" + doodleTransform + "\n");
|
|
|
|
if (new Date().getTime() - prevRedrawTime > redrawInterval) {
|
|
// redrawing the whole preview the first X points ensures that the doodleBounds is set well
|
|
prevRedrawTime = new Date().getTime();
|
|
if (_points.length < 50) {
|
|
redrawPreview();
|
|
} else {
|
|
updatePreview(x, y, true);
|
|
/*
|
|
if (_points.length - prevUpdateFullPreview > prevUpdateFullPreviewInterval) {
|
|
console.log("f:onTouchMove >> passed prevUpdateFullPreviewInterval, updating full preview");
|
|
redrawPreview();
|
|
prevUpdateFullPreview = _points.length;
|
|
} else {
|
|
updatePreview(x, y, true);
|
|
}
|
|
//*/
|
|
// redrawPreview();
|
|
}
|
|
}
|
|
|
|
setSketchModified(true);
|
|
}
|
|
prevUpdateFullPreview = 0; // 0 is not a timeframe but refers to the _points array
|
|
prevUpdateFullPreviewInterval = 25; // refers to number of points, not a timeframe
|
|
|
|
function onCanvasMouseUp(e) {
|
|
// console.log("f:onCanvasMouseUp()");
|
|
// console.log("onmouseup");
|
|
dragging = false;
|
|
console.log("doodleBounds: " + doodleBounds);
|
|
console.log("doodleTransform: " + doodleTransform);
|
|
// ctx.stroke();
|
|
|
|
console.log("_points.length :" + _points.length);
|
|
// console.log(_points);
|
|
|
|
// DEBUG
|
|
// $("#textdump").text("");
|
|
// $("#textdump").append("doodlebounds:" + doodleBounds + "\n");
|
|
// $("#textdump").append("doodletransform:" + doodleTransform + "\n");
|
|
|
|
// redrawPreview();
|
|
renderToImageDataPreview();
|
|
}
|
|
|
|
function onCanvasTouchDown(e) {
|
|
e.preventDefault();
|
|
console.log("f:onCanvasTouchDown >> e: " , e);
|
|
// var x = e.touches[0].pageX - e.touches[0].target.offsetLeft;
|
|
// var y = e.touches[0].pageY - e.touches[0].target.offsetTop;
|
|
var x = e.touches[0].pageX - drawCanvasTopLeftCoords[0];
|
|
var y = e.touches[0].pageY - drawCanvasTopLeftCoords[1];
|
|
// var x = e.touches[0].pageX;
|
|
// var y = e.touches[0].pageY;
|
|
// var x = e.touches[0].layerX;
|
|
// var y = e.touches[0].layerY;
|
|
|
|
_points.push([x, y, true]);
|
|
adjustBounds(x, y);
|
|
adjustPreviewTransformation();
|
|
draw(x, y, .5);
|
|
setSketchModified(true);
|
|
|
|
movementCounter = 0;
|
|
|
|
prevRedrawTime = new Date().getTime();
|
|
}
|
|
|
|
function onCanvasTouchMove(e) {
|
|
e.preventDefault();
|
|
// var x = e.touches[0].pageX - e.touches[0].target.offsetLeft;
|
|
// var y = e.touches[0].pageY - e.touches[0].target.offsetTop;
|
|
var x = e.touches[0].pageX - drawCanvasTopLeftCoords[0];
|
|
var y = e.touches[0].pageY - drawCanvasTopLeftCoords[1];
|
|
// var x = e.touches[0].layerX;
|
|
// var y = e.touches[0].layerY;
|
|
// var x = e.touches[0].layerX;
|
|
// var y = e.touches[0].layerY;
|
|
|
|
console.log("f:onCanvasTouchMove >> x,y = "+x+","+y+" , e: " , e);
|
|
|
|
if (prevPoint.x != -1 || prevPoint.y != -1) {
|
|
var dist = Math.sqrt(Math.pow((prevPoint.x - x), 2) + Math.pow((prevPoint.y - y), 2));
|
|
if (dist > 5) {
|
|
_points.push([x, y, false]);
|
|
adjustBounds(x, y)
|
|
adjustPreviewTransformation();
|
|
draw(x, y);
|
|
prevPoint.x = x;
|
|
prevPoint.y = y;
|
|
}
|
|
} else {
|
|
_points.push([x, y, false]);
|
|
adjustBounds(x, y)
|
|
adjustPreviewTransformation();
|
|
draw(x, y);
|
|
prevPoint.x = x;
|
|
prevPoint.y = y;
|
|
}
|
|
|
|
// update counter -> this was for getting a handle on how often the Canvas fires a move-event
|
|
/*
|
|
movementCounter++;
|
|
if (new Date().getTime() - prevCountingTime > 1000) {
|
|
// console.log("number of moves in 1sec: " + movementCounter)
|
|
prevCountingTime= new Date().getTime();
|
|
$("#numtimes").text(movementCounter + " times");
|
|
movementCounter = 0;
|
|
}
|
|
//*/
|
|
|
|
if (new Date().getTime() - prevRedrawTime > redrawInterval) {
|
|
// redrawing the whole preview the first X points ensures that the doodleBounds is set well
|
|
if (_points.length < 50) {
|
|
redrawPreview();
|
|
} else {
|
|
updatePreview(x, y, true);
|
|
/*
|
|
if (_points.length - prevUpdateFullPreview > prevUpdateFullPreviewInterval) {
|
|
console.log("f:onTouchMove >> passed prevUpdateFullPreviewInterval, updating full preview");
|
|
redrawPreview();
|
|
prevUpdateFullPreview = _points.length;
|
|
} else {
|
|
updatePreview(x, y, true);
|
|
}
|
|
//*/
|
|
}
|
|
prevRedrawTime = new Date().getTime();
|
|
}
|
|
|
|
setSketchModified(true);
|
|
}
|
|
|
|
function onCanvasTouchEnd(e) {
|
|
console.log("f:onCanvasTouchEnd()");
|
|
console.log("doodleBounds: " + doodleBounds);
|
|
console.log("doodleTransform: " + doodleTransform);
|
|
// ctx.stroke();
|
|
|
|
console.log("_points.length :" + _points.length);
|
|
|
|
// redrawPreview();
|
|
renderToImageDataPreview();
|
|
}
|
|
|
|
function prevent(e) {
|
|
e.preventDefault();
|
|
}
|