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Code Issues Releases Wiki Activity

when undoing, the preview recalculates its viewsize (ie keeping it maximized on the preview)

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This commit is contained in:
Adriaan Wormgoor 2013-10-28 19:37:33 +01:00
parent 68bcd4834a
commit d53f1c3e0f
2 changed files with 38 additions and 52 deletions
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17
js_src/buttonbehaviors.js
View File

@ -58,16 +58,18 @@ function initButtonBehavior() {
// });
function startOops(e) {
// console.log("btnOops mouse down");
console.log("f:startOops()");
e.preventDefault();
btnOopsInterval = setInterval( function() {
oopsUndo();
}, 1000/50);
}, 1000/40);
}
function stopOops(e) {
// console.log("btnOops mouse up");
console.log("f:stopOops()");
e.preventDefault();
clearInterval(btnOopsInterval);
redrawDoodle(true);
redrawPreview();
}
btnOops.on('touchstart', function(e) { startOops(e); });
btnOops.on('touchend', function(e) { stopOops(e); });
@ -273,7 +275,14 @@ function resetPreview() {
function oopsUndo() {
// console.log("f:oopsUndo()");
_points.pop();
redrawDoodle();
if (clientInfo.isSmartphone) {
// do not recalc the whole preview's bounds during undo if client device is a smartphone
redrawDoodle(false);
} else {
// recalc the whole preview's bounds during if client device is not a smartphone
redrawDoodle(true);
}
redrawPreview();
}
function previewUp(redrawLess) {

73
js_src/canvasDrawing.js
View File

@ -164,8 +164,18 @@ function clearDoodle() {
resetVerticalShapes();
}
function redrawDoodle() {
console.log("f:redrawDoodle()");
function redrawDoodle(recalcBoundsAndTransforms) {
if (recalcBoundsAndTransforms == undefined) recalcBoundsAndTransforms = false;
console.log("f:redrawDoodle() >> recalcBoundsAndTransforms = " + recalcBoundsAndTransforms);
if (recalcBoundsAndTransforms == true) {
doodleBounds = [-1, -1, -1, -1]; // left, top, right, bottom
doodleTransform = [0, 0, 1.0, 1.0]; // [ x, y, scaleX, scaleY ]
for (var i = 0; i < _points.length; i++) {
adjustBounds(_points[i][0], _points[i][1]);
adjustPreviewTransformation();
}
}
clearMainView();
@ -184,7 +194,7 @@ function redrawDoodle() {
function adjustBounds(x, y) {
var newPointsOutsideOfCurrentBounds = false;
console.log("f:adjustBounds("+x+","+y+")");
// 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
@ -212,35 +222,14 @@ function redrawDoodle() {
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;
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];
@ -269,21 +258,15 @@ function adjustPreviewTransformation() {
*
* * * * * * * * * */
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()");
// console.log("onCanvasMouseDown >> e.offsetX,e.offsetY = " + e.offsetX+","+e.offsetY);
// console.log("onCanvasMouseDown >> e.layerX,e.layerY= " + e.layerX+","+e.layerY);
// console.log("onCanvasMouseDown >> e: " , e);
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;
@ -316,18 +299,19 @@ function onCanvasMouseMove(e) {
}
if (prevPoint.x != -1 || prevPoint.y != -1) {
var dist = Math.sqrt(Math.pow((prevPoint.x - x), 2) + Math.pow((prevPoint.y - y), 2));
var dist = Math.sqrt(((prevPoint.x - x) * (prevPoint.x - x)) + ((prevPoint.y - y) * (prevPoint.y - y)));
if (dist > 5) { // replace by setting: doodle3d.simplify.minDistance
_points.push([x, y, false]);
adjustBounds(x, y)
adjustBounds(x, y);
adjustPreviewTransformation();
draw(x, y);
prevPoint.x = x;
prevPoint.y = y;
}
} else {
// this is called once, every time you start to draw a line
_points.push([x, y, false]);
adjustBounds(x, y)
adjustBounds(x, y);
adjustPreviewTransformation();
draw(x, y);
prevPoint.x = x;
@ -342,20 +326,13 @@ function onCanvasMouseMove(e) {
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) {
// Keep fully updating the preview if device is not a smartphone.
// (An assumption is made here that anything greater than a smartphone will have sufficient
// performance to always redraw the preview.)
if (_points.length < 50 || !clientInfo.isSmartphone) {
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();
}
}
}