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Qt add byte per line information to fix a bug

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This commit is contained in:
Yannick Verdie 2010-08-24 16:18:32 +00:00
parent 601e9af9f8
commit 24427d593f
1 changed files with 3 additions and 4 deletions
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7
modules/highgui/src/window_QT.cpp
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@ -2348,7 +2348,7 @@ void ViewPort::updateImage(const CvArr *arr)
cvReleaseMat(&image2Draw_mat);
//the image in ipl (to do a deep copy with cvCvtColor)
image2Draw_mat = cvCreateMat( mat->rows, mat->cols, CV_8UC3 );
image2Draw_qt = QImage((uchar*) image2Draw_mat->data.ptr, image2Draw_mat->cols, image2Draw_mat->rows,QImage::Format_RGB888);
image2Draw_qt = QImage(image2Draw_mat->data.ptr, image2Draw_mat->cols,image2Draw_mat->rows, image2Draw_mat->step,QImage::Format_RGB888);
//use to compute mouse coordinate, I need to update the ratio here and in resizeEvent
ratioX=width()/float(image2Draw_mat->cols);
@ -2717,10 +2717,9 @@ void ViewPort::paintEvent(QPaintEvent* event)
void ViewPort::draw2D(QPainter *painter)
{
image2Draw_qt = QImage((uchar*) image2Draw_mat->data.ptr, image2Draw_mat->cols, image2Draw_mat->rows,QImage::Format_RGB888);
image2Draw_qt_resized = image2Draw_qt.scaled(viewport()->width(),viewport()->height(),Qt::IgnoreAspectRatio,Qt::SmoothTransformation);
image2Draw_qt = QImage(image2Draw_mat->data.ptr, image2Draw_mat->cols, image2Draw_mat->rows,image2Draw_mat->step,QImage::Format_RGB888);
image2Draw_qt_resized = image2Draw_qt.scaled(viewport()->width(),viewport()->height(),Qt::IgnoreAspectRatio,Qt::FastTransformation);//Qt::SmoothTransformation);
painter->drawImage(0,0,image2Draw_qt_resized);
//painter->drawImage(0,0,image2Draw_qt_resized);
}
//only if CV_8UC1 or CV_8UC3