def _render_offscreen(self, drawable, data, dst_x, dst_y, width, height): # NOTE [A] daht, dawd, depth = data.shape self.logger.debug("data shape is %dx%dx%d" % (dawd, daht, depth)) # Get qimage for copying pixel data qimage = self._get_qimage(data) painter = QPainter(drawable) painter.setWorldMatrixEnabled(True) # fill pixmap with background color imgwin_wd, imgwin_ht = self.get_window_size() bgclr = self._get_color(*self.img_bg) painter.fillRect(QtCore.QRect(0, 0, imgwin_wd, imgwin_ht), bgclr) # draw image data from buffer to offscreen pixmap painter.drawImage(QtCore.QRect(dst_x, dst_y, width, height), qimage, QtCore.QRect(0, 0, width, height)) # Draw a cross in the center of the window in debug mode if self.t_['show_pan_position']: clr = QColor() clr.setRgbF(1.0, 0.0, 0.0) painter.setPen(clr) ctr_x, ctr_y = self.get_center() painter.drawLine(ctr_x - 10, ctr_y, ctr_x + 10, ctr_y) painter.drawLine(ctr_x, ctr_y - 10, ctr_x, ctr_y + 10) # render self.message if self.message: self._draw_message(painter, imgwin_wd, imgwin_ht, self.message)
def _render_offscreen(self, drawable, data, dst_x, dst_y, width, height): # NOTE [A] daht, dawd, depth = data.shape self.logger.debug("data shape is %dx%dx%d" % (dawd, daht, depth)) # Get qimage for copying pixel data qimage = self._get_qimage(data) painter = QPainter(drawable) painter.setWorldMatrixEnabled(True) # fill pixmap with background color imgwin_wd, imgwin_ht = self.get_window_size() bgclr = self._get_color(*self.img_bg) painter.fillRect(QtCore.QRect(0, 0, imgwin_wd, imgwin_ht), bgclr) # draw image data from buffer to offscreen pixmap painter.drawImage(QtCore.QRect(dst_x, dst_y, width, height), qimage, QtCore.QRect(0, 0, width, height))