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Enhancement : Move tool: shift out of bound pixels

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When holding shift and using the move tool,pixels normally exiting the
frame will now be redrawn on the other end of the frame.

Makes it easy to perform sliding animations.
This commit is contained in:
jdescottes 2014-05-17 11:01:09 +02:00
parent 7cbf2b2794
commit 2aa8bf578b
1 changed files with 21 additions and 9 deletions
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30
src/js/drawingtools/Move.js
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@ -30,15 +30,23 @@
ns.Move.prototype.moveToolAt = function(col, row, color, frame, overlay, event) {
var colDiff = col - this.startCol, rowDiff = row - this.startRow;
this.shiftFrame(colDiff, rowDiff, frame, this.frameClone);
this.shiftFrame(colDiff, rowDiff, frame, this.frameClone, event);
};
ns.Move.prototype.shiftFrame = function (colDiff, rowDiff, frame, reference) {
ns.Move.prototype.shiftFrame = function (colDiff, rowDiff, frame, reference, event) {
var color;
for (var col = 0 ; col < frame.getWidth() ; col++) {
for (var row = 0 ; row < frame.getHeight() ; row++) {
if (reference.containsPixel(col - colDiff, row - rowDiff)) {
color = reference.getPixel(col - colDiff, row - rowDiff);
var w = frame.getWidth();
var h = frame.getHeight();
for (var col = 0 ; col < w ; col++) {
for (var row = 0 ; row < h ; row++) {
var x = col - colDiff;
var y = row - rowDiff;
if (event.shiftKey) {
x = (x + w) % w;
y = (y + h) % h;
}
if (reference.containsPixel(x, y)) {
color = reference.getPixel(x, y);
} else {
color = Constants.TRANSPARENT_COLOR;
}
@ -51,15 +59,19 @@
* @override
*/
ns.Move.prototype.releaseToolAt = function(col, row, color, frame, overlay, event) {
this.moveToolAt(col, row, color, frame, overlay);
this.moveToolAt(col, row, color, frame, overlay, event);
this.raiseSaveStateEvent({
colDiff : col - this.startCol,
rowDiff : row - this.startRow
rowDiff : row - this.startRow,
shiftKey : event.shiftKey
});
};
ns.Move.prototype.replay = function(frame, replayData) {
this.shiftFrame(replayData.colDiff, replayData.rowDiff, frame, frame.clone());
var event = {
shiftKey : replayData.shiftKey
};
this.shiftFrame(replayData.colDiff, replayData.rowDiff, frame, frame.clone(), event);
};
})();