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Basic lasso tool

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This commit is contained in:
Vince
2012-09-14 20:12:21 +02:00
parent e85fe32f02
commit 841885939d
11 changed files with 302 additions and 154 deletions
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75
js/drawingtools/selectiontools/ShapeSelect.js Normal file
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/*
* @provide pskl.drawingtools.ShapeSelect
*
* @require pskl.utils
*/
(function() {
var ns = $.namespace("pskl.drawingtools");
ns.ShapeSelect = function() {
this.toolId = "tool-shape-select";
ns.BaseSelect.call(this);
};
pskl.utils.inherit(ns.ShapeSelect, ns.BaseSelect);
/**
* @override
*/
ns.ShapeSelect.prototype.applyToolAt = function(col, row, color, frame, overlay) {
this.startCol = col;
this.startRow = row;
this.lastCol = col;
this.lastRow = row;
// TODO(vincz): Comment here nasty vince
if(overlay.getPixel(col, row) != Constants.SELECTION_TRANSPARENT_COLOR) {
this.mode = "select";
$.publish(Events.SELECTION_DISMISSED);
var pixels = pskl.PixelUtils.getSimilarConnectedPixelsFromFrame(frame, col, row);
var selection = new pskl.selection.ShapeSelection(pixels);
$.publish(Events.SELECTION_CREATED, [selection]);
}
else {
this.mode = "moveSelection";
this.overlayFrameReference = overlay.clone();
}
};
ns.ShapeSelect.prototype.moveToolAt = function(col, row, color, frame, overlay) {
if(this.mode == "moveSelection") {
// TODO(vincz): Comment here nasty vince
var deltaCol = col - this.lastCol;
var deltaRow = row - this.lastRow;
console.log(deltaCol)
console.log(deltaRow)
var colDiff = col - this.startCol, rowDiff = row - this.startRow;
if (colDiff != 0 || rowDiff != 0) {
// Update selection on overlay frame:
this.shiftOverlayFrame_(colDiff, rowDiff, overlay, this.overlayFrameReference);
// Update selection model:
$.publish(Events.SELECTION_MOVE_REQUEST, [deltaCol, deltaRow]);
}
this.lastCol = col;
this.lastRow = row;
}
};
/**
* @override
*/
ns.ShapeSelect.prototype.releaseToolAt = function(col, row, color, frame, overlay) {
if(this.mode == "select") {
// TODO(vincz): define a way to dismiss the shape select
} else if(this.mode == "moveSelection") {
this.moveToolAt(col, row, color, frame, overlay);
}
};
})();