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Add screenshot capability for CNApy maps #501

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merged 2 commits into from
Feb 23, 2024
Merged

Add screenshot capability for CNApy maps #501

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07e7fd1
Add screenshot capability for CNApy maps
Paulocracy Jan 31, 2024
7eb41a0
use QSize copy constructor instead of deepcopy
axelvonkamp Feb 23, 2024
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34 changes: 33 additions & 1 deletion cnapy/gui_elements/main_window.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@
from typing import Any, Dict
import openpyxl

from qtpy.QtCore import QFileInfo, Qt, Slot, QTimer, QSignalBlocker
from qtpy.QtCore import QFileInfo, Qt, Slot, QTimer, QSignalBlocker, QSize
from qtpy.QtGui import QColor, QIcon, QKeySequence
from qtpy.QtWidgets import (QAction, QActionGroup, QApplication, QFileDialog, QStyle,
QMainWindow, QMessageBox, QToolBar, QShortcut, QStatusBar, QLabel)
Expand Down Expand Up @@ -66,6 +66,7 @@ def __init__(self, appdata: AppData):
self.onoff_action = QAction("On/Off coloring", self)
self.onoff_action.setIcon(QIcon(":/icons/onoff.png"))
self.onoff_action.triggered.connect(self.set_onoff)

self.central_widget = CentralWidget(self)
self.setCentralWidget(self.central_widget)

Expand Down Expand Up @@ -296,6 +297,10 @@ def __init__(self, appdata: AppData):
self.dec_box_size_action.setEnabled(False)
self.cnapy_map_actions.addAction(self.dec_box_size_action)

self.cnapy_screenshot_action = QAction("Take map view screenshot...", self)
self.cnapy_screenshot_action.triggered.connect(self.take_screenshot_cnapy)
self.cnapy_map_actions.addAction(self.cnapy_screenshot_action)

escher_export_svg_action = QAction("Export as SVG...")
escher_export_svg_action.triggered.connect(
lambda: self.centralWidget().map_tabs.currentWidget().page().runJavaScript("builder.map.save_svg()"))
Expand Down Expand Up @@ -331,6 +336,7 @@ def __init__(self, appdata: AppData):
self.escher_map_actions.setVisible(False)
self.map_menu.addActions(self.escher_map_actions.actions())


self.analysis_menu = self.menu.addMenu("Analysis")

fba_action = QAction("Flux Balance Analysis (FBA)", self)
Expand Down Expand Up @@ -1477,6 +1483,32 @@ def delete_maps(self):
self.centralWidget().map_tabs.widget(i).deleteLater()
self.centralWidget().map_tabs.clear()

def take_screenshot_cnapy(self):
dialog = QFileDialog(self)
filename: str = dialog.getSaveFileName(
directory=self.appdata.work_directory,
filter="*.png",
)[0]
if not filename or len(filename) == 0:
return
elif len(filename) <= 4 or filename[-4:] != ".png":
filename += ".png"

self.setCursor(Qt.BusyCursor)
scale_factor = 10.0
view = self.centralWidget().map_tabs.currentWidget()
original_size = QSize(view.size())

view.resize(original_size * scale_factor)
view.setTransform(view.transform().scale(scale_factor, scale_factor))

pixmap = view.grab()
pixmap.save(filename, "PNG")

view.setTransform(view.transform().scale(1/scale_factor, 1/scale_factor))
view.resize(original_size)
self.setCursor(Qt.ArrowCursor)

def on_tab_change(self, idx):
if idx >= 0:
self.change_map_name_action.setEnabled(True)
Expand Down
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