src/imageprovider.cpp

   1 #include <sailfishapp.h>
   2 #include <QQuickImageProvider>
   3 #include <QPainter>
   4 #include <QColor>
   5 #include <QDebug>
   6 #include "settings.h"
   7
   8 #include "imageprovider.h"
   9
  10 ImageProvider::ImageProvider(Settings const & settings) : QQuickImageProvider(QQuickImageProvider::Pixmap) {
  11     imageDir = settings.getImageDir();
  12 }
  13
  14 QPixmap ImageProvider::requestPixmap(const QString &id, QSize *size, const QSize &requestedSize) {
  15     QPixmap image;
  16     QStringList parts = id.split('?');
  17     QPixmap sourcePixmap(imageDir + parts.at(0) + ".png");
  18     QPixmap alphaMask(sourcePixmap);
  19
  20     if (size) {
  21         *size = sourcePixmap.size();
  22     }
  23     if (parts.length() > 1) {
  24         if (QColor::isValidColor(parts.at(1))) {
  25             QPainter painter(&sourcePixmap);
  26             painter.setCompositionMode(QPainter::CompositionMode_SoftLight);
  27             painter.fillRect(sourcePixmap.rect(), parts.at(1));
  28
  29             painter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
  30             painter.drawPixmap(sourcePixmap.rect(), alphaMask);
  31             painter.end();
  32         }
  33     }
  34     if (requestedSize.width() > 0 && requestedSize.height() > 0) {
  35         image = sourcePixmap.scaled(requestedSize.width(), requestedSize.height(), Qt::IgnoreAspectRatio);
  36     }
  37     else {
  38         image = sourcePixmap;
  39     }
  40
  41     return image;
  42 }