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plug-ins: port histogram-export to new gimp_image_procedure_new() and…

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… to GimpProcedureDialog.
This commit is contained in:
Jehan 2023-10-01 19:15:42 +02:00
parent 1d50c81130
commit accf3b1e64
1 changed files with 26 additions and 133 deletions
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159
plug-ins/python/histogram-export.py
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@ -96,9 +96,8 @@ output_format_enum = StringEnum(
def histogram_export(procedure, img, layers, gio_file,
bucket_size, sample_average, output_format,
progress_bar):
layers = img.get_selected_layers()
bucket_size, sample_average, output_format):
layers = img.list_selected_layers()
layer = layers[0]
if sample_average:
new_img = img.duplicate()
@ -151,16 +150,12 @@ def histogram_export(procedure, img, layers, gio_file,
writer.writerow(row)
# Update progress bar
if progress_bar:
fraction = i / max_index
# Only update the progress bar if it changed at least 1% .
new_percent = math.floor(fraction * 100)
if new_percent != progress_bar_int_percent:
progress_bar_int_percent = new_percent
progress_bar.set_fraction(fraction)
# Make sure the progress bar gets drawn on screen.
while Gtk.events_pending():
Gtk.main_iteration()
fraction = i / max_index
# Only update the progress bar if it changed at least 1% .
new_percent = math.floor(fraction * 100)
if new_percent != progress_bar_int_percent:
progress_bar_int_percent = new_percent
Gimp.progress_update(fraction)
except IsADirectoryError:
return procedure.new_return_values(Gimp.PDBStatusType.EXECUTION_ERROR,
GLib.Error(_("File is either a directory or file name is empty.")))
@ -177,112 +172,21 @@ def histogram_export(procedure, img, layers, gio_file,
return procedure.new_return_values(Gimp.PDBStatusType.SUCCESS, GLib.Error())
def run(procedure, run_mode, image, n_layers, layers, args, data):
gio_file = args.index(0)
bucket_size = args.index(1)
sample_average = args.index(2)
output_format = args.index(3)
progress_bar = None
config = None
def run(procedure, run_mode, image, n_layers, layers, config, data):
if run_mode == Gimp.RunMode.INTERACTIVE:
config = procedure.create_config()
# Set properties from arguments. These properties will be changed by the UI.
#config.set_property("file", gio_file)
#config.set_property("bucket_size", bucket_size)
#config.set_property("sample_average", sample_average)
#config.set_property("output_format", output_format)
config.begin_run(image, run_mode, args)
GimpUi.init("histogram-export.py")
use_header_bar = Gtk.Settings.get_default().get_property("gtk-dialogs-use-header")
dialog = GimpUi.Dialog(use_header_bar=use_header_bar,
title=_("Histogram Export..."))
dialog.add_button(_("_Cancel"), Gtk.ResponseType.CANCEL)
dialog.add_button(_("_OK"), Gtk.ResponseType.OK)
vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL,
homogeneous=False, spacing=10)
dialog.get_content_area().add(vbox)
vbox.show()
dialog = GimpUi.ProcedureDialog.new(procedure, config, _("Histogram Export..."))
dialog.fill(None)
# Create grid to set all the properties inside.
grid = Gtk.Grid()
grid.set_column_homogeneous(False)
grid.set_border_width(10)
grid.set_column_spacing(10)
grid.set_row_spacing(10)
vbox.add(grid)
grid.show()
# UI for the file parameter
def choose_file(widget):
if file_chooser_dialog.run() == Gtk.ResponseType.OK:
if file_chooser_dialog.get_file() is not None:
config.set_property("file", file_chooser_dialog.get_file())
file_entry.set_text(file_chooser_dialog.get_file().get_path())
file_chooser_dialog.hide()
file_chooser_button = Gtk.Button.new_with_mnemonic(label=_("_File..."))
grid.attach(file_chooser_button, 0, 0, 1, 1)
file_chooser_button.show()
file_chooser_button.connect("clicked", choose_file)
file_entry = Gtk.Entry.new()
grid.attach(file_entry, 1, 0, 1, 1)
file_entry.set_width_chars(40)
file_entry.set_placeholder_text(_("Choose export file..."))
if gio_file is not None:
file_entry.set_text(gio_file.get_path())
file_entry.show()
file_chooser_dialog = Gtk.FileChooserDialog(use_header_bar=use_header_bar,
title=_("Histogram Export file..."),
action=Gtk.FileChooserAction.SAVE)
file_chooser_dialog.add_button(_("_Cancel"), Gtk.ResponseType.CANCEL)
file_chooser_dialog.add_button(_("_OK"), Gtk.ResponseType.OK)
# Bucket size parameter
label = Gtk.Label.new_with_mnemonic(_("_Bucket Size"))
grid.attach(label, 0, 1, 1, 1)
label.show()
spin = GimpUi.prop_spin_button_new(config, "bucket_size", step_increment=0.001, page_increment=0.1, digits=3)
grid.attach(spin, 1, 1, 1, 1)
spin.show()
# Sample average parameter
spin = GimpUi.prop_check_button_new(config, "sample_average", _("Sample _Average"))
spin.set_tooltip_text(_("If checked, the histogram is generated from merging all visible layers."
" Otherwise, the histogram is only for the current layer."))
grid.attach(spin, 1, 2, 1, 1)
spin.show()
# Output format parameter
label = Gtk.Label.new_with_mnemonic(_("_Output Format"))
grid.attach(label, 0, 3, 1, 1)
label.show()
combo = GimpUi.prop_string_combo_box_new(config, "output_format", output_format_enum.get_tree_model(), 0, 1)
grid.attach(combo, 1, 3, 1, 1)
combo.show()
progress_bar = Gtk.ProgressBar()
vbox.add(progress_bar)
progress_bar.show()
dialog.show()
if dialog.run() != Gtk.ResponseType.OK:
if not dialog.run():
return procedure.new_return_values(Gimp.PDBStatusType.CANCEL,
GLib.Error())
# Extract values from UI
gio_file = Gio.file_new_for_path(file_entry.get_text()) # config.get_property("file")
bucket_size = config.get_property("bucket_size")
sample_average = config.get_property("sample_average")
output_format = config.get_property("output_format")
gio_file = config.get_property('file')
bucket_size = config.get_property("bucket-size")
sample_average = config.get_property("sample-average")
output_format = config.get_property("output-format")
if gio_file is None:
error = 'No file given'
@ -290,11 +194,7 @@ def run(procedure, run_mode, image, n_layers, layers, args, data):
GLib.Error(error))
result = histogram_export(procedure, image, layers, gio_file,
bucket_size, sample_average, output_format, progress_bar)
# If the execution was successful, save parameters so they will be restored next time we show dialog.
if result.index(0) == Gimp.PDBStatusType.SUCCESS and config is not None:
config.end_run(Gimp.PDBStatusType.SUCCESS)
bucket_size, sample_average, output_format)
return result
@ -303,31 +203,24 @@ class HistogramExport(Gimp.PlugIn):
## Parameters ##
__gproperties__ = {
# "filename": (str,
# # TODO: I wanted this property to be a path (and not just str) , so I could use
# # prop_file_chooser_button_new to open a file dialog. However, it fails without an error message.
# # Gimp.ConfigPath,
# _("Histogram _File"),
# _("Histogram _File"),
# "histogram_export.csv",
# # Gimp.ConfigPathType.FILE,
# GObject.ParamFlags.READWRITE),
# TODO: GFile props still don't have labels + only load existing files
# (here we likely want to create a new file).
"file": (Gio.File,
_("Histogram _File"),
"Histogram export file",
GObject.ParamFlags.READWRITE),
"bucket_size": (float,
"bucket-size": (float,
_("_Bucket Size"),
"Bucket Size",
0.001, 1.0, 0.01,
GObject.ParamFlags.READWRITE),
"sample_average": (bool,
"sample-average": (bool,
_("Sample _Average"),
"Sample Average",
False,
GObject.ParamFlags.READWRITE),
"output_format": (str,
_("Output format"),
"output-format": (str,
_("Output _format"),
"Output format: 'pixel count', 'normalized', 'percent'",
"pixel count",
GObject.ParamFlags.READWRITE),
@ -359,9 +252,9 @@ class HistogramExport(Gimp.PlugIn):
procedure.add_menu_path("<Image>/Colors/Info/")
procedure.add_argument_from_property(self, "file")
procedure.add_argument_from_property(self, "bucket_size")
procedure.add_argument_from_property(self, "sample_average")
procedure.add_argument_from_property(self, "output_format")
procedure.add_argument_from_property(self, "bucket-size")
procedure.add_argument_from_property(self, "sample-average")
procedure.add_argument_from_property(self, "output-format")
return procedure