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path: root/src-qt5/core/lumina-desktop-unified/src-desktop/QMLImageProvider.cpp
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//===========================================
//  Lumina-desktop source code
//  Copyright (c) 2018, Ken Moore
//  Available under the 3-clause BSD license
//  See the LICENSE file for full details
//===========================================
#include <global-objects.h>
#include "QMLImageProvider.h"

QMLImageProvider::QMLImageProvider(QQmlImageProviderBase::ImageType type) : QQuickImageProvider(type, 0){

}

QMLImageProvider::~QMLImageProvider(){

}

/*QMLImageProvider* QMLImageProvider::instance(){
  static QMLImageProvider *_prov = 0;
  if(_prov==0){ _prov = new QMLImageProvider(); }
  return _prov;
}*/

QImage QMLImageProvider::requestImage(const QString &id, QSize *size, const QSize &requestedSize){
  NativeWindowObject *win = Lumina::NWS->findWindow( id.section(":",1,1).toInt(), false);
  if(win==0){ win = Lumina::NWS->findTrayWindow(id.section(":",1,1).toInt()); }

  if(!id.startsWith("image:")){ qDebug() << "Request Image:" << id << win << requestedSize; }

  QImage img(requestedSize,QImage::Format_RGB32);
  if(win==0){ img.fill("black"); } //invalid window ID (should never happen)
  else if(id.startsWith("image:")){ img = Lumina::NWS->GetWindowImage(win); }
  else if(id.startsWith("icon:")){
    QIcon ico = win->property(NativeWindowObject::Icon).value<QIcon>();
    QList<QSize> sizes = ico.availableSizes();
    QSize sz(0,0);
    //Just grab the largest size currently available
    for(int i=0; i<sizes.length(); i++){
      if(sz.width()<sizes[i].width() && sz.height()<sizes[i].height()){ sz = sizes[i]; }
    }
    qDebug() << "Icon Sizes:" <<sizes;
    img = ico.pixmap(sz).toImage();
  }
  //qDebug() << "Got Window Image:" << img.size();
  if(img.size().isNull()){
    if(requestedSize.isValid()){ img = QImage(requestedSize,QImage::Format_RGB32); }
    else{ img = QImage(QSize(64,64), QImage::Format_RGB32); }
    img.fill("black");
  }
  //qDebug() << "Final Window Image:" << img.size();
  if(size!=0){
    size->setHeight(img.height());
    size->setWidth( img.width() );
  }
  if(requestedSize.isValid() && !requestedSize.isNull() && img.size()!=requestedSize){
    img = img.scaled(requestedSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
  }
  return img;
}

QPixmap QMLImageProvider::requestPixmap(const QString &id, QSize *size, const QSize &requestedSize){
  qDebug() << "Pixmap Requested:" << id;
  QImage img = requestImage(id, size, requestedSize);
  return QPixmap::fromImage(img);
}
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