| 87 | } |
| 88 | |
| 89 | void IPZoomWidget::paintEvent(QPaintEvent*) |
| 90 | { |
| 91 | if(!_image) |
| 92 | return; |
| 93 | |
| 94 | if(!_zoomUpdateMutex->tryLock()) |
| 95 | return; |
| 96 | |
| 97 | QPainter painter(this); |
| 98 | QBrush brush(Qt::black); |
| 99 | QColor highlightColor(Qt::red); |
| 100 | |
| 101 | int cellWidth = width()/(2*_columnOffset+1); |
| 102 | |
| 103 | int rectX = 0; |
| 104 | int rectY = 0; |
| 105 | for(int offsetY=-_columnOffset; offsetY <= _columnOffset; offsetY++) |
| 106 | { |
| 107 | for(int offsetX=-_columnOffset; offsetX <= _columnOffset; offsetX++) |
| 108 | { |
| 109 | uchar r = 0; |
| 110 | uchar g = 0; |
| 111 | uchar b = 0; |
| 112 | |
| 113 | int nrOfPlanes = _image->getNumberOfPlanes(); |
| 114 | if( _image->type() == IPL_IMAGE_COLOR) |
| 115 | { |
| 116 | //uchar test = *_image->rgb32() + (_x+offsetX)*_image->height() + (_y+offsetY); |
| 117 | r = _image->plane(0)->cp(_x+offsetX, _y+offsetY) * FACTOR_TO_UCHAR; |
| 118 | g = _image->plane(1)->cp(_x+offsetX, _y+offsetY) * FACTOR_TO_UCHAR; |
| 119 | b = _image->plane(2)->cp(_x+offsetX, _y+offsetY) * FACTOR_TO_UCHAR; |
| 120 | |
| 121 | highlightColor = QColor(255-r, 255-g, 255-b); |
| 122 | } |
| 123 | else if( _image->type() == IPL_IMAGE_GRAYSCALE || _image->type() == IPL_IMAGE_BW ) |
| 124 | { |
| 125 | r = g = b = _image->plane(0)->cp(_x+offsetX, _y+offsetY) * FACTOR_TO_UCHAR; |
| 126 | |
| 127 | highlightColor = QColor(255, 0, 0); |
| 128 | } |
| 129 | |
| 130 | else if( _image->type() == IPL_IMAGE_ORIENTED ) |
| 131 | { |
| 132 | r = g = b = _image->plane(0)->cp(_x+offsetX, _y+offsetY) * FACTOR_TO_UCHAR; |
| 133 | |
| 134 | highlightColor = QColor(255, 0, 0); |
| 135 | } |
| 136 | |
| 137 | brush.setColor(QColor(r, g, b)); |
| 138 | painter.fillRect(rectX+1, rectY+1, cellWidth-1, cellWidth-1, brush); |
| 139 | |
| 140 | // center |
| 141 | if(offsetX == 0 && offsetY == 0) |
| 142 | { |
| 143 | painter.setPen(highlightColor); |
| 144 | painter.drawRect(rectX, rectY, cellWidth, cellWidth); |
| 145 | } |
| 146 | |