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improve png exporting #1

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improve png exporting #1

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73 changes: 70 additions & 3 deletions bundle/jsx/utils/sourceHelper.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -142,7 +142,10 @@ var bm_sourceHelper = (function () {
var helperComp = app.project.items.addComp('tempConverterComp', Math.max(4, currentSource.width), Math.max(4, currentSource.height), 1, 1, 1);
helperComp.layers.add(currentSource);
var file = new File(folder.absoluteURI + '/' + imageName);
helperComp.saveFrameToPng(0, file);
//helperComp.saveFrameToPng(0, file);
//++++++++++++++++++++++++
savePNG(helperComp,file);
//++++++++++++++++++++++++
helperComp.remove();
currentExportingImage += 1;
saveNextImage();
Expand Down Expand Up @@ -199,7 +202,71 @@ var bm_sourceHelper = (function () {
imageCount = 0;
imageName = 0;
}


//save png via renderQ
function savePNG(theComp,theLocation) {
//if the resolution isnt 'Full', store current resolution and set to Full, then restore later;
var res = [1,1];
if(theComp.resolutionFactor != "1,1"){
res = theComp.resolutionFactor;
theComp.resolutionFactor = [1,1];
}

if(theLocation != null){
//close the renderQueue panel
app.project.renderQueue.showWindow(false);
//show the correct charactar in the path
theLocation = decodeURIComponent(theLocation);
//backup the render queue status, then uncheck the queued items
var RQbackup = storeRenderQueue();
//check if renderQ rendering, if so,render the png using old saveFrameToPng() way.
if(RQbackup[RQbackup.length-1] == "rendering"){
bm_eventDispatcher.sendEvent('alert', 'Render Queue is rendering item, now export the png using saveFrameToPng().');
theComp.saveFrameToPng(0, theLocation);
}else{
//call command "save frame as" to add current frame to render queue
theComp.openInViewer();
app.executeCommand(2104);
app.project.renderQueue.item(app.project.renderQueue.numItems).render = true;
var templateTemp = app.project.renderQueue.item(app.project.renderQueue.numItems).outputModule(1).templates;
//call hidden template '_HIDDEN X-Factor 16 Premul', which exports png with alpha
var setPNG = app.project.renderQueue.item(app.project.renderQueue.numItems).outputModule(1).templates[templateTemp.length-1];
app.project.renderQueue.item(app.project.renderQueue.numItems).outputModule(1).applyTemplate(setPNG);
app.project.renderQueue.item(app.project.renderQueue.numItems).outputModule(1).file = new File(theLocation);
var finalpath = app.project.renderQueue.item(app.project.renderQueue.numItems).outputModule(1).file.fsName;
app.project.renderQueue.render();
//remove the rendered item and restored the render queue items
app.project.renderQueue.item(app.project.renderQueue.numItems).remove();
if(RQbackup != null){
restoreRenderQueue(RQbackup);
}
app.activeViewer.setActive();
app.project.activeItem.resolutionFactor = res;
}
}
}
//store the renderQ,return the index of active render items
function storeRenderQueue(){
var checkeds = [];
for(var p = 1;p <= app.project.renderQueue.numItems; p++){
if (app.project.renderQueue.item(p).status == RQItemStatus.RENDERING){
checkeds.push("rendering");
break;
}else if(app.project.renderQueue.item(p).status == RQItemStatus.QUEUED){
checkeds.push(p);
app.project.renderQueue.item(p).render = false;
}
}
return checkeds;
}

//restore the renderQ
function restoreRenderQueue(checkedItems){
for(var q = 0;q < checkedItems.length; q++){
app.project.renderQueue.item(checkedItems[q]).render = true;
}
}

return {
checkCompSource: checkCompSource,
checkImageSource: checkImageSource,
Expand All @@ -210,4 +277,4 @@ var bm_sourceHelper = (function () {
reset: reset
};

}());
}());