#include "imageviewer.h"
+#include "pixelwidget.h"
+#include "apisurface.h"
+#include "image/image.hpp"
+
+#include <QDebug>
+#include <QDesktopWidget>
#include <QPainter>
#include <QPixmap>
+#include <QScrollBar>
ImageViewer::ImageViewer(QWidget *parent)
- : QDialog(parent)
+ : QDialog(parent),
+ m_image(0)
{
setupUi(this);
+ connect(lowerSpinBox, SIGNAL(valueChanged(double)),
+ SLOT(slotUpdate()));
+ connect(upperSpinBox, SIGNAL(valueChanged(double)),
+ SLOT(slotUpdate()));
+ connect(flipCheckBox, SIGNAL(stateChanged(int)),
+ SLOT(slotUpdate()));
+ connect(opaqueCheckBox, SIGNAL(stateChanged(int)),
+ SLOT(slotUpdate()));
+ connect(alphaCheckBox, SIGNAL(stateChanged(int)),
+ SLOT(slotUpdate()));
+
QPixmap px(32, 32);
QPainter p(&px);
p.fillRect(0, 0, 32, 32, Qt::white);
pal.setBrush(QPalette::Base,
QBrush(px));
scrollAreaWidgetContents->setPalette(pal);
+
+ m_pixelWidget = new PixelWidget(scrollAreaWidgetContents);
+ verticalLayout_2->addWidget(m_pixelWidget);
+
+ rectLabel->hide();
+ pixelLabel->hide();
+
+ connect(m_pixelWidget, SIGNAL(zoomChanged(int)),
+ zoomSpinBox, SLOT(setValue(int)));
+ connect(zoomSpinBox, SIGNAL(valueChanged(int)),
+ m_pixelWidget, SLOT(setZoom(int)));
+ connect(m_pixelWidget, SIGNAL(mousePosition(int, int)),
+ this, SLOT(showPixel(int, int)));
+ connect(m_pixelWidget, SIGNAL(gridGeometry(const QRect &)),
+ this, SLOT(showGrid(const QRect &)));
+}
+
+ImageViewer::~ImageViewer()
+{
+ delete m_image;
+}
+
+void ImageViewer::setBase64Data(const QByteArray &base64)
+{
+ delete m_image;
+ m_image = ApiSurface::imageFromBase64(base64);
+ m_convertedImage = ApiSurface::qimageFromRawImage(m_image);
+ m_pixelWidget->setSurface(m_convertedImage);
+ updateGeometry();
+}
+
+void ImageViewer::slotUpdate()
+{
+ m_convertedImage =
+ m_convertedImage.mirrored(false, flipCheckBox->isChecked());
+
+ double lowerValue = lowerSpinBox->value();
+ double upperValue = upperSpinBox->value();
+
+ bool opaque = opaqueCheckBox->isChecked();
+ bool alpha = alphaCheckBox->isChecked();
+
+ m_convertedImage = ApiSurface::qimageFromRawImage(m_image,
+ lowerValue, upperValue,
+ opaque, alpha);
+
+ if (flipCheckBox->isChecked()) {
+ m_convertedImage = m_convertedImage.mirrored(false, true);
+ }
+
+ m_pixelWidget->setSurface(m_convertedImage);
+
+ updateGeometry();
+}
+
+QSize ImageViewer::sizeHint() const
+{
+ QSize size;
+
+ int vScrollWidth = scrollArea->verticalScrollBar() ?
+ scrollArea->verticalScrollBar()->width() : 0;
+ int hScrollHeight = scrollArea->horizontalScrollBar() ?
+ scrollArea->horizontalScrollBar()->height() : 0;
+ QSize optimalWindowSize(m_convertedImage.width() + vScrollWidth,
+ m_convertedImage.height() + hScrollHeight);
+
+ QRect screenRect = QApplication::desktop()->availableGeometry();
+ const float maxPercentOfDesktopSpace = 0.8f;
+ QSize maxAvailableSize(maxPercentOfDesktopSpace * screenRect.width(),
+ maxPercentOfDesktopSpace * screenRect.height());
+
+ return QSize(qMin(optimalWindowSize.width(), maxAvailableSize.width()),
+ qMin(optimalWindowSize.height(), maxAvailableSize.height()));
+}
+
+void ImageViewer::resizeEvent(QResizeEvent *e)
+{
+ QWidget::resizeEvent(e);
+}
+
+template <class T>
+QString createPixelLabel(image::Image *img, int x, int y)
+{
+ QString pixelLabel;
+ unsigned char *pixelLocation = 0;
+ T *pixel;
+
+ pixelLocation = img->pixels + img->stride() * y;
+ pixelLocation += x * img->bytesPerPixel;
+ pixel = ((T*)pixelLocation);
+
+ pixelLabel += QLatin1String("[");
+ pixelLabel += QString::fromLatin1("%1").arg(pixel[0]);
+
+ for (int channel = 1; channel < img->channels; ++channel) {
+ pixelLabel += QString::fromLatin1(", %1").arg(pixel[channel]);
+ }
+ pixelLabel += QLatin1String("]");
+
+ return pixelLabel;
+}
+
+void ImageViewer::showPixel(int x, int y)
+{
+ xSpinBox->setValue(x);
+ ySpinBox->setValue(y);
+
+ if (!m_image)
+ return;
+
+ QString label = tr("Pixel: ");
+
+ /* If the image is flipped, substitute y to match */
+ if (flipCheckBox->isChecked()) {
+ y = m_convertedImage.height() - y - 1;
+ }
+
+ if (m_image->channelType == image::TYPE_UNORM8) {
+ label += createPixelLabel<unsigned char>(m_image, x, y);
+ } else {
+ label += createPixelLabel<float>(m_image, x, y);
+ }
+
+ pixelLabel->setText(label);
+ pixelLabel->show();
}
-void ImageViewer::setImage(const QImage &image)
+void ImageViewer::showGrid(const QRect &rect)
{
- QPixmap px = QPixmap::fromImage(image);
- imageLabel->setPixmap(px);
+ if (rect.isEmpty()) {
+ rectLabel->hide();
+ return;
+ }
+ rectLabel->setText(tr("Grid: [%1, %2, %3, %4]")
+ .arg(rect.x())
+ .arg(rect.y())
+ .arg(rect.width())
+ .arg(rect.height()));
+ rectLabel->show();
}
#include "imageviewer.moc"