Updated image editor with not having to crop again after resizing

This commit is contained in:
Erik Tiekstra
2017-05-23 09:03:29 +02:00
parent 30e49c95c8
commit 5f9169ef51
7 changed files with 50 additions and 31 deletions
+1 -1
View File
@@ -29,7 +29,7 @@
</form>
<br /><br />
<div id="wrapper">
<canvas id="canvas-editor" data-image-id="45809"></canvas>
<canvas id="canvas-editor" data-image-id="45810"></canvas>
</div>
<br /><br /><br />
</div>
+2 -2
View File
@@ -23,7 +23,7 @@ var Canvas = fabric.util.createClass(fabric.Canvas, {
});
this.on('mouse:up', function () {
if (this.getImage().__moved) {
if (this.getImage().__cropped) {
this.getApertures().setTransparent(false);
// Trigger event to tell the image has been dragged.
@@ -37,7 +37,7 @@ var Canvas = fabric.util.createClass(fabric.Canvas, {
this.setHeight(args.height);
this.setWidth(args.width);
this.getButtonMenu().render();
this.setImage(this.getImage());
this.getViewport().reset();
this.sendToBack(this.getImage());
this.getDragbars().resetPosition();
this.renderAll();
+13 -8
View File
@@ -4,32 +4,37 @@ var config = require('../config');
var DragHandle = function (handler) {
var _currentAxis;
var _dragging;
var _moved;
var _dragHandle;
var _movedHandle;
// Event declarations
var events = {
mouseDown: function () {
_dragging = true;
_dragHandle = true;
_currentAxis = this.axis;
handler.canvas.getImage().trigger('mousedown');
},
mouseUp: function () {
if (!_dragHandle) {
return;
}
if (!_moved && _currentAxis) {
if (!_movedHandle) {
$(document).trigger('PIE:dragbar-click', { axis: _currentAxis });
}
_dragging = false;
_moved = false;
_dragHandle = false;
_movedHandle = false;
_currentAxis = null;
handler.canvas.getImage().trigger('mouseup');
},
mouseMove: function (e) {
if (!_dragging) {
if (!_dragHandle) {
return;
}
_moved = true;
_movedHandle = true;
if (_currentAxis === 'h') {
handler.canvas.getImage().left -= e.e.movementX;
+2 -1
View File
@@ -13,7 +13,8 @@ function Draggable(img, boundingRect) {
* Triggers when object is moved
*/
function onMove() {
this.__moved = true;
this.__cropped = true;
util.setPositionInside(this, _bounds);
}
@@ -67,6 +67,7 @@ function ImageEditor(canvasId, args) {
* @return {ImageEditor}
*/
this.crop = function (width, height) {
_canvas.getImage().__cropped = false;
_canvas.getViewport().set(width, height);
return this;
};
+26 -8
View File
@@ -16,6 +16,7 @@ function Viewport(canvas) {
* Applies viewport to page
*/
function apply() {
var croppedData = getCroppedData();
canvas.remove(_rect);
_rect = new fabric.Rect({
@@ -31,9 +32,18 @@ function Viewport(canvas) {
_rect.height += _borderWidth;
_rect.addTo(canvas).center().setCoords();
canvas.getImage()
.center()
.drag.enable(calcMinMaxBoundsForRect(_rect.getInsideBoundingRect(), canvas.getImage()));
if (croppedData) {
// Calculate the new position after screenresize and when the
// image already has been cropped to a certain position.
var left = _rect.left + _borderWidth - (canvas.getImage().width * croppedData.x);
var top = _rect.top + _borderWidth - (canvas.getImage().height * croppedData.y);
canvas.getImage().set({ left: left, top: top }).setCoords();
} else {
canvas.getImage().center().setCoords();
}
canvas.getImage().drag.enable(calcMinMaxBoundsForRect(_rect.getInsideBoundingRect(), canvas.getImage()))
canvas.getApertures().apply(_data.axis, _rect.getBoundingRect());
if (canvas.__type !== 'canvas') {
@@ -49,6 +59,9 @@ function Viewport(canvas) {
canvas.refresh3dView();
}
function getCroppedData() {
return canvas.getImage().__cropped ? canvas.getImage().transformation.getCropData() : null;
}
/**
* Render the diagonal lines from viewport to edge of the canvas
@@ -126,12 +139,17 @@ function Viewport(canvas) {
apply();
this.getGores().reset();
this.getRulers().reset();
canvas.getApertures().setTransparent(true);
canvas.getImage().__moved = false;
canvas.getButtonMenu().bringToFront();
// Trigger event to tell the image needs to be dragged.
$(document).trigger('PIE:needs-dragging', { axis: _data.axis });
if (canvas.getImage().__cropped) {
} else {
canvas.getApertures().setTransparent(true);
// Trigger event to tell the image needs to be dragged.
$(document).trigger('PIE:needs-dragging', { axis: _data.axis });
}
canvas.getButtonMenu().bringToFront();
};
+5 -11
View File
@@ -23,20 +23,14 @@
Event.handleResize();
});
function getOptimalDimension(currentDimension, ratio) {
var width = $input.w.val();
var height = $input.h.val();
function getOptimalDimension(values, currentDimension, ratio) {
if (currentDimension === 'h') {
width = Math.round(height / ratio);
values.width = Math.round(values.height * ratio);
} else {
height = Math.round(width / ratio);
values.height = Math.round(values.width / ratio);
}
return {
width: width,
height: height
};
return values;
}
var Event = {
@@ -70,7 +64,7 @@
handleResize: function() {
var isFullScreen = document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement;
var width = $wrapper.width();
var height = isFullScreen ? $window.height() : $wrapper.height();
var height = isFullScreen ? ($window.height() < 800 ? $window.height() : 800) : $wrapper.height();
editor.canvas.resize({width: width, height: height});
}
};