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Implemented history state for merging layers

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unsettledgames
2020-06-25 11:40:47 +02:00
parent 364b5d2652
commit 17a2fe8318
2 changed files with 34 additions and 18 deletions
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27
js/_history.js
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@@ -11,8 +11,33 @@ function HistoryStateFlattenAll() {
// undo the merge for the number of layers that have been flattened
}
function HistoryStateMergeLayer() {
function HistoryStateMergeLayer(aboveIndex, aboveLayer, belowData, belowLayer) {
this.aboveIndex = aboveIndex;
this.belowData = belowData;
this.aboveLayer = aboveLayer;
this.belowLayer = belowLayer;
// todo
this.undo = function() {
layerList.insertBefore(this.aboveLayer.menuEntry, this.belowLayer.menuEntry);
canvasView.append(this.aboveLayer.canvas);
belowLayer.context.clearRect(0, 0, this.belowLayer.canvasSize[0], this.belowLayer.canvasSize[1]);
belowLayer.context.putImageData(this.belowData, 0, 0);
belowLayer.updateLayerPreview();
layers.splice(this.aboveIndex, 0, this.aboveLayer);
redoStates.push(this);
};
this.redo = function() {
aboveLayer.selectLayer();
merge(false);
undoStates.push(this);
};
saveHistoryState(this);
}
function HistoryStateRenameLayer(oldName, newName, layer) {