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picturesproject.cpp
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picturesproject.cpp
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#include "picturesproject.h"
#include <QFileInfo>
#include <QTextStream>
#include <algorithm>
#include <assert.h>
#include "markedpictureeditor.h"
#include "unmarkedpictureeditor.h"
TPicturesProject::TPicturesProject(const QString & dirPath):
dir(dirPath)
{
if (!dir.exists()) {
assert(false);
}
QDir goodDir(dir.absoluteFilePath("good"));
if (!goodDir.exists()) {
return;
}
QStringList pictureNameList = goodDir.entryList(QDir::Files, QDir::Name);
loadPictures(goodDir, pictureNameList);
QFile goodDatFile(dir.absoluteFilePath("good.dat"));
if (!goodDatFile.exists()) {
return;
}
readGoodDatFile(goodDatFile);
for (TMarkedPictures::reverse_iterator it = markedPictures.rbegin(); it != markedPictures.rend(); ++it) {
TUnmarkedPictures::iterator unmarkedPicturesEnd = unmarkedPictures.end();
TUnmarkedPictures::iterator findedIt = std::find_if(
unmarkedPictures.begin(),
unmarkedPicturesEnd,
TFinder((*it).name));
if (findedIt == unmarkedPicturesEnd) {
markedPictures.erase(it.base());
continue;
}
(*it).picture = (*findedIt).picture;
unmarkedPictures.erase(findedIt);
}
}
void TPicturesProject::save() const
{
makeBackup();
QFile goodDatFile(dir.absoluteFilePath(QString("good.dat")));
goodDatFile.open(QIODevice::WriteOnly);
QTextStream stream(&goodDatFile);
for (TMarkedPictures::const_iterator it = markedPictures.begin(); it != markedPictures.end(); ++it) {
const TMarkedPicture & picture = *it;
stream << "good/" << picture.name << " ";
const size_t objectCount = picture.objects.size();
stream << objectCount;
for (size_t i = 0; i < objectCount; ++i) {
const QRect & rect = picture.objects[i];
stream << " " << rect.left() << " " << rect.top() << " " << rect.width() << " " << rect.height();
}
stream << "\n";
}
}
TUnmarkedPictureEditor *TPicturesProject::createUnmarkedEditor(size_t row)
{
return new TUnmarkedPictureEditor(&unmarkedPictures[row], row, this);
}
TMarkedPictureEditor *TPicturesProject::createMarkedEditor(size_t row)
{
return new TMarkedPictureEditor(&markedPictures[row]);
}
TMarkedPicture *TPicturesProject::makeMarked(size_t index)
{
TUnmarkedPicture & unmarkedPicture = unmarkedPictures[index];
markedPictures.push_back(TMarkedPicture(
unmarkedPicture.name,
unmarkedPicture.picture)
);
unmarkedPictures.erase(unmarkedPictures.begin() + index);
return &markedPictures.back();
}
void TPicturesProject::append()
{
}
void TPicturesProject::loadPictures(const QDir & dir, const QStringList & pictureNameList)
{
// std::vector<QString>
for (int i = 0; i < pictureNameList.size(); ++i)
{
const QString fileName(pictureNameList[i]);
const QString fullFileName = dir.absoluteFilePath(fileName);
QFile pictureFile(fullFileName);
if (!pictureFile.exists()) {
continue;
}
QImage pic;
if (pic.load(fullFileName)) {
unmarkedPictures.push_back(TUnmarkedPicture(fileName, pic));
}
}
}
void TPicturesProject::readGoodDatFile(QFile & file)
{
file.open(QIODevice::ReadOnly);
QTextStream fileStream(&file);
while(!fileStream.atEnd()) {
QString string(fileStream.readLine());
QTextStream stringStream(&string, QIODevice::ReadOnly);
markedPictures.push_back(TMarkedPicture());
TMarkedPictures::reference currentMarkedPicture = markedPictures.back();
QString pictureFileName;
stringStream >> pictureFileName;
QFileInfo pictureFileInfo(pictureFileName);
currentMarkedPicture.name = pictureFileInfo.fileName();
int objectsSize = 0;
stringStream >> objectsSize;
for (int i = 0; i < objectsSize; ++i) {
int left = 0;
stringStream >> left;
int top = 0;
stringStream >> top;
int width = 0;
stringStream >> width;
int height = 0;
stringStream >> height;
currentMarkedPicture.objects.push_back(QRect(left, top, width, height));
}
}
}
void TPicturesProject::makeBackup() const
{
QFile goodDatFile(dir.absoluteFilePath(QString("good.dat")));
if (!goodDatFile.exists()) {
return;
}
const QString backupFileName(dir.absoluteFilePath("good.dat.bak"));
QFile::remove(backupFileName);
goodDatFile.rename(backupFileName);
}