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Implemented save management

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HAHA I was joking, I still had to make it save stuff. Ok, now I can only implement the history. It will take ages.
This commit is contained in:
unsettledgames
2020-06-23 23:10:56 +02:00
parent 9032bf4fe9
commit 927be7c310
4 changed files with 64 additions and 55 deletions
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35
js/_fileMenu.js
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@@ -35,8 +35,6 @@ for (var i = 1; i < mainMenuItems.length; i++) {
showDialogue('new-pixel');
break;
case 'Open':
//if a document exists
if (documentCreated) {
//check if the user wants to overwrite
@@ -65,11 +63,42 @@ for (var i = 1; i < mainMenuItems.length; i++) {
//set download link
var linkHolder = document.getElementById('save-image-link-holder');
linkHolder.href = canvas.toDataURL();
// Creating a tmp canvas to flatten everything
var exportCanvas = document.createElement("canvas");
var emptyCanvas = document.createElement("canvas");
var layersCopy = layers.slice();;
exportCanvas.width = canvasSize[0];
exportCanvas.height = canvasSize[1];
emptyCanvas.width = canvasSize[0];
emptyCanvas.height = canvasSize[1];
// Sorting the layers by z index
layersCopy.sort((a, b) => (a.canvas.zIndex > b.canvas.zIndex) ? 1 : -1);
// Merging every layer on the export canvas
for (let i=0; i<layersCopy.length; i++) {
if (layersCopy[i].menuEntry != null && layersCopy[i].isVisible) {
mergeLayers(exportCanvas.getContext('2d'), layersCopy[i].context);
}
// I'm not going to find out why the layer ordering screws up if you don't copy
// a blank canvas when layers[i] is not set as visible, but if you have time to
// spend, feel free to investigate (comment the else, create 3 layers: hide the
// middle one and export, the other 2 will be swapped in their order)
else {
mergeLayers(exportCanvas.getContext('2d'), emptyCanvas.getContext('2d'));
}
}
linkHolder.href = exportCanvas.toDataURL();
linkHolder.download = fileName;
linkHolder.click();
emptyCanvas.remove();
exportCanvas.remove();
//track google event
ga('send', 'event', 'Pixel Editor Save', selectedPalette, canvasSize[0]+'/'+canvasSize[1]); /*global ga*/
}