Source code for NanoVNASaver.Hardware.Convert
# NanoVNASaver
#
# A python program to view and export Touchstone data from a NanoVNA
# Copyright (C) 2019, 2020 Rune B. Broberg
# Copyright (C) 2020ff NanoVNA-Saver Authors
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import logging
import struct
import numpy as np
from PySide6.QtGui import QImage, QPixmap
logger = logging.getLogger(__name__)
[docs]
def get_argb32_pixmap(image_data: bytes, width, height) -> QPixmap:
logger.debug(
"dimenstion: %d x %d, buffer size: %d", width, height, len(image_data)
)
rgb_data = struct.unpack(f">{width * height}H", image_data)
rgb_array = np.array(rgb_data, dtype=np.uint32)
rgba = (
0xFF000000
+ ((rgb_array & 0xF800) << 8)
+ ((rgb_array & 0x07E0) << 5)
+ ((rgb_array & 0x001F) << 3)
)
return QPixmap(
QImage(
rgba,
width,
height,
QImage.Format.Format_ARGB32,
)
)
[docs]
def get_rgb16_pixmap(image_data: bytes, width, height) -> QPixmap:
return QPixmap(
QImage(
image_data,
width,
height,
QImage.Format.Format_RGB16,
)
)