Delete E3S1PROFORKBYTT_Thumbnail.py
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#------------------------------------------------------------------------------
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# Cura 5.4 JPEG Thumbnail creator
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#
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# This script has been changed for E3S1PROFORKBYTT by Thomas Toka.
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#
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# Intruduced with v008 into E3S1PROFORKBYTT.
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#
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# It is based on the modification of:
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#
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# Professional firmware for Ender3v2
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# Miguel A. Risco-Castillo
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# version: 1.4
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# date: 2022-05-18
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#
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# Contains code from:
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# https://github.com/Ultimaker/Cura/blob/master/plugins/PostProcessingPlugin/scripts/CreateThumbnail.py
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#------------------------------------------------------------------------------
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import base64
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from UM.Logger import Logger
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from cura.Snapshot import Snapshot
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from cura.CuraVersion import CuraVersion
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from ..Script import Script
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class E3S1PROFORKBYTT_Thumbnail(Script):
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def __init__(self):
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super().__init__()
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def _createSnapshot(self, width, height):
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Logger.log("d", "Creating thumbnail image...")
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try:
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return Snapshot.snapshot(width, height)
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except Exception:
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Logger.logException("w", "Failed to create snapshot image")
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def _encodeSnapshot(self, snapshot):
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Major=0
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Minor=0
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try:
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Major = int(CuraVersion.split(".")[0])
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Minor = int(CuraVersion.split(".")[1])
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except:
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pass
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if Major < 5 :
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from PyQt5.QtCore import QByteArray, QIODevice, QBuffer
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else :
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from PyQt6.QtCore import QByteArray, QIODevice, QBuffer
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Logger.log("d", "Encoding thumbnail image...")
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try:
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thumbnail_buffer = QBuffer()
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if Major < 5 :
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thumbnail_buffer.open(QBuffer.ReadWrite)
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else:
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thumbnail_buffer.open(QBuffer.OpenModeFlag.ReadWrite)
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thumbnail_image = snapshot
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thumbnail_image.save(thumbnail_buffer, "JPG")
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base64_bytes = base64.b64encode(thumbnail_buffer.data())
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base64_message = base64_bytes.decode('ascii')
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thumbnail_buffer.close()
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return base64_message
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except Exception:
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Logger.logException("w", "Failed to encode snapshot image")
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def _convertSnapshotToGcode(self, encoded_snapshot, width, height, chunk_size=58):
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gcode = []
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encoded_snapshot_length = len(encoded_snapshot)
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gcode.append("; jpg begin {}x{} {}".format(
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width, height, encoded_snapshot_length))
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chunks = ["; {}".format(encoded_snapshot[i:i+chunk_size])
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for i in range(0, len(encoded_snapshot), chunk_size)]
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gcode.extend(chunks)
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gcode.append("; jpg end")
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gcode.append(";")
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return gcode
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def getSettingDataString(self):
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return """{
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"name": "E3S1PROFORKBYTT Thumbnail",
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"key": "E3S1PROFORKBYTT_Thumbnail",
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"metadata": {},
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"version": 2,
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"settings":
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{
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"width":
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{
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"label": "Width",
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"description": "Width of the generated thumbnail",
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"unit": "px",
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"type": "int",
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"default_value": 250,
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"minimum_value": "250",
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"minimum_value_warning": "250",
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"maximum_value_warning": "250"
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},
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"height":
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{
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"label": "Height",
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"description": "Height of the generated thumbnail",
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"unit": "px",
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"type": "int",
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"default_value": 250,
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"minimum_value": "250",
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"minimum_value_warning": "250",
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"maximum_value_warning": "250"
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}
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}
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}"""
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def execute(self, data):
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width = self.getSettingValueByKey("width")
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height = self.getSettingValueByKey("height")
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snapshot = self._createSnapshot(width, height)
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if snapshot:
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encoded_snapshot = self._encodeSnapshot(snapshot)
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snapshot_gcode = self._convertSnapshotToGcode(
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encoded_snapshot, width, height)
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# Find the index of the line starting with ;FLAVOR:Marlin
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flavor_line_index = None
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for layer_data in data:
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lines = layer_data.split("\n")
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for line in lines:
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if line.startswith(";FLAVOR:Marlin"):
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flavor_line_index = lines.index(line)
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break
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if flavor_line_index is not None:
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break
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# Insert snapshot_gcode before ;FLAVOR:Marlin
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if flavor_line_index is not None:
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lines_to_insert = snapshot_gcode + [""] # Add a blank line after snapshot_gcode
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lines[flavor_line_index:flavor_line_index] = lines_to_insert
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# Join the modified lines for this layer
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modified_layer_data = "\n".join(lines)
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data[data.index(layer_data)] = modified_layer_data
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return data
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