#include "imageviewer.h"
+#include "pixelwidget.h"
+#include "apisurface.h"
+
+#include "image/image.hpp"
#include <QDebug>
#include <QDesktopWidget>
#include <QScrollBar>
ImageViewer::ImageViewer(QWidget *parent)
- : QDialog(parent)
+ : QDialog(parent),
+ m_image(0)
{
setupUi(this);
SLOT(slotUpdate()));
connect(opaqueCheckBox, SIGNAL(stateChanged(int)),
SLOT(slotUpdate()));
+ connect(alphaCheckBox, SIGNAL(stateChanged(int)),
+ SLOT(slotUpdate()));
QPixmap px(32, 32);
QPainter p(&px);
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 &)));
}
-void ImageViewer::setImage(const QImage &image)
+ImageViewer::~ImageViewer()
{
- m_image = image;
- m_temp = m_image;
- QPixmap px = QPixmap::fromImage(m_temp);
- imageLabel->setPixmap(px);
- updateGeometry();
+ delete m_image;
}
-static inline int clamp(int x)
+void ImageViewer::setBase64Data(const QByteArray &base64)
{
- if (x <= 0) {
- return 0;
- }
- if (x > 255) {
- return 255;
- }
- return x;
+ delete m_image;
+ m_image = ApiSurface::imageFromBase64(base64);
+ m_convertedImage = ApiSurface::qimageFromRawImage(m_image);
+ m_pixelWidget->setSurface(m_convertedImage);
+ updateGeometry();
}
void ImageViewer::slotUpdate()
{
- m_temp = m_image.mirrored(false, flipCheckBox->isChecked());
+ m_convertedImage =
+ m_convertedImage.mirrored(false, flipCheckBox->isChecked());
double lowerValue = lowerSpinBox->value();
double upperValue = upperSpinBox->value();
bool opaque = opaqueCheckBox->isChecked();
+ bool alpha = alphaCheckBox->isChecked();
- if (lowerValue != 0.0 || upperValue != 1.0 || opaque) {
- /*
- * Rescale the image.
- *
- * XXX: This would be much more useful if done with the full precision
- * of the original image
- */
-
- int offset = - lowerValue * 255;
- int scale = 256 / (upperValue - lowerValue);
-
- m_temp = m_temp.convertToFormat(QImage::Format_ARGB32);
-
- if (0) {
- qDebug()
- << "offset = " << offset << "\n"
- << "scale = " << scale << "\n";
- }
-
- int width = m_temp.width();
- int height = m_temp.height();
-
- int aMask = opaque ? 0xff : 0;
-
- for (int y = 0; y < height; ++y) {
- QRgb *scanline = (QRgb *)m_temp.scanLine(y);
- for (int x = 0; x < width; ++x) {
- QRgb pixel = scanline[x];
- int r = qRed(pixel);
- int g = qGreen(pixel);
- int b = qBlue(pixel);
- int a = qAlpha(pixel);
- r = clamp(((r + offset) * scale) >> 8);
- g = clamp(((g + offset) * scale) >> 8);
- b = clamp(((b + offset) * scale) >> 8);
- a |= aMask;
- scanline[x] = qRgba(r, g, b, a);
- }
- }
+ m_convertedImage = ApiSurface::qimageFromRawImage(m_image,
+ lowerValue, upperValue,
+ opaque, alpha);
+
+ if (flipCheckBox->isChecked()) {
+ m_convertedImage = m_convertedImage.mirrored(false, true);
}
- QPixmap px = QPixmap::fromImage(m_temp);
- imageLabel->setPixmap(px);
+ m_pixelWidget->setSurface(m_convertedImage);
updateGeometry();
}
scrollArea->verticalScrollBar()->width() : 0;
int hScrollHeight = scrollArea->horizontalScrollBar() ?
scrollArea->horizontalScrollBar()->height() : 0;
- QSize optimalWindowSize(m_image.width() + vScrollWidth,
- m_image.height() + hScrollHeight);
+ QSize optimalWindowSize(m_convertedImage.width() + vScrollWidth,
+ m_convertedImage.height() + hScrollHeight);
QRect screenRect = QApplication::desktop()->availableGeometry();
- const float maxPercentOfDesktopSpace = 0.8;
+ const float maxPercentOfDesktopSpace = 0.8f;
QSize maxAvailableSize(maxPercentOfDesktopSpace * screenRect.width(),
maxPercentOfDesktopSpace * screenRect.height());
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::showGrid(const QRect &rect)
+{
+ 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"
projects / apitrace / blobdiff