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Enhancement : shape tool + shift : now constrained to minimum

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jdescottes 2014-04-12 09:49:29 +02:00
parent 4804477498
commit ee3285089a
1 changed files with 10 additions and 8 deletions
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18
src/js/drawingtools/ShapeTool.js
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@ -74,14 +74,16 @@
* @return {Object} {row : Number, col : Number}
*/
ns.ShapeTool.prototype.getScaledCoordinates_ = function(col, row) {
var sign;
if (Math.abs(this.startCol - col) > Math.abs(this.startRow - row)) {
sign = row > this.startRow ? 1 : -1;
row = this.startRow + (sign * Math.abs(this.startCol - col));
} else {
sign = col > this.startCol ? 1 : -1;
col = this.startCol + (sign * Math.abs(this.startRow - row));
}
var dX = this.startCol - col;
var absX = Math.abs(dX);
var dY = this.startRow - row;
var absY = Math.abs(dY);
var delta = Math.min(absX, absY);
row = this.startRow - ((dY/absY)*delta);
col = this.startCol - ((dX/absX)*delta);
return {
col : col,
row : row