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[ui] Viewer2D: factorize helper functions

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This commit is contained in:
Loïc Vital 2023-06-29 15:50:56 +02:00
parent 0e8c8ca8a7
commit c0526d87f1
1 changed files with 61 additions and 55 deletions
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116
meshroom/ui/qml/Viewer/Viewer2D.qml
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@ -34,7 +34,9 @@ FocusScope {
// Metadata from viewpoint attribute
// Read from the reconstruction object
if (_reconstruction) {
return getViewpointMetadata(_reconstruction.selectedViewId);
let vp = getViewpoint(_reconstruction.selectedViewId);
let metadata = vp ? vp.childAttribute("metadata").value : "";
return JSON.parse(metadata);
}
return {};
}
@ -196,70 +198,74 @@ FocusScope {
displayedNode = null;
}
function getImageFile() {
// entry point for getting the image file URL
if (useExternal) {
return sourceExternal;
}
if (_reconstruction && (!displayedNode || outputAttribute.name == "gallery")) {
return Filepath.stringToUrl(getViewpointAttribute("path",_reconstruction.pickedViewId));
}
function getViewpoint(viewId) {
// Get viewpoint from cameraInit with matching id
// This requires to loop over all viewpoints
var viewId = -1;
var intrinsicId = -1;
var poseId = -1;
var fileName = "";
if (_reconstruction) {
viewId = _reconstruction.selectedViewId;
intrinsicId = getViewpointAttribute("intrinsicId", viewId);
poseId = getViewpointAttribute("poseId", viewId);
fileName = Filepath.removeExtension(Filepath.basename(getViewpointAttribute("path", viewId)));
}
var patterns = {"<VIEW_ID>": viewId, "<INTRINSIC_ID>": intrinsicId, "<POSE_ID>": poseId, "<FILENAME>": fileName}
return getFileAttributePath(displayedNode, outputAttribute.name,patterns);
}
function getFileAttributePath(node, attrName, patterns) {
// get output attribute with matching name
// and parse with the patterns present in the patterns dict
if (!node)
return "";
for (var i = 0; i < node.attributes.count; i++) {
var attr = node.attributes.at(i);
if (attr.name === attrName) {
let path = String(attr.value)
for (var key in patterns) {
if (patterns.hasOwnProperty(key)) {
path = path.replace(key, patterns[key])
}
}
return Filepath.stringToUrl(path);
}
}
return "";
}
function getViewpointAttribute(attributeName, viewId) {
// get viewpoint from cameraInit with matching id and return the attribute corresponding to the attributeName
for (var i = 0; i < _reconstruction.viewpoints.count; i++) {
var vp = _reconstruction.viewpoints.at(i);
if (vp.childAttribute("viewId").value == viewId) {
return vp.childAttribute(attributeName).value;
return vp;
}
}
return undefined;
}
function getViewpointMetadata(viewId) {
// get viewpoint from cameraInit with matching id
// and get its image filepath
for (var i = 0; i < _reconstruction.viewpoints.count; i++) {
var vp = _reconstruction.viewpoints.at(i);
if (vp.childAttribute("viewId").value == viewId) {
return JSON.parse(vp.childAttribute("metadata").value);
function getAttributeByName(node, attrName) {
// Get attribute from given node by name
// This requires to loop over all atributes
for (var i = 0; i < node.attributes.count; i++) {
var attr = node.attributes.at(i);
if (attr.name == attrName) {
return attr;
}
}
return {};
return undefined;
}
function resolve(path, vp) {
// Resolve dynamic path that depends on viewpoint
let replacements = {
"<VIEW_ID>": vp.childAttribute("viewId").value,
"<INTRINSIC_ID>": vp.childAttribute("intrinsicId").value,
"<POSE_ID>": vp.childAttribute("poseId").value,
"<FILENAME>": Filepath.removeExtension(Filepath.basename(vp.childAttribute("path").value)),
};
let resolved = path;
for (let key in replacements) {
resolved = resolved.replace(key, replacements[key]);
}
return resolved;
}
function getImageFile() {
// Entry point for getting the image file URL
if (useExternal) {
return sourceExternal;
}
if (_reconstruction && (!displayedNode || outputAttribute.name == "gallery")) {
let vp = getViewpoint(_reconstruction.pickedViewId);
let path = vp ? vp.childAttribute("path").value : "";
return Filepath.stringToUrl(path);
}
if (_reconstruction) {
let vp = getViewpoint(_reconstruction.selectedViewId);
let attr = getAttributeByName(displayedNode, outputAttribute.name);
let path = attr ? attr.value : "";
let resolved = vp ? resolve(path, vp) : "";
return Filepath.stringToUrl(resolved);
}
return undefined;
}
onDisplayedNodeChanged: {
@ -436,7 +442,7 @@ FocusScope {
'canBeHovered': false,
'idView': Qt.binding(function() { return (_reconstruction ? _reconstruction.selectedViewId : -1); }),
'cropFisheye': false,
'sequence': Qt.binding(function() { return ((root.enableSequencePlayer && _reconstruction && _reconstruction.viewpoints.count > 0) ? _reconstruction.allImagePaths() : []) }),
'sequence': Qt.binding(function() { return ((root.enableSequencePlayer && _reconstruction && _reconstruction.viewpoints.count > 0) ? _reconstruction.allImagePaths() : []); }),
'useSequence': Qt.binding(function() { return root.enableSequencePlayer && !useExternal && _reconstruction && (!displayedNode || outputAttribute.name == "gallery"); })
})
} else {