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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,172 @@ | ||
| # Copyright (C) 2020 pdfarranger contributors | ||
| # | ||
| # pdfarranger 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, write to the Free Software Foundation, Inc., | ||
| # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
|
|
||
| from gi.repository import Gtk | ||
| import gettext | ||
| import cairo | ||
|
|
||
|
|
||
| _ = gettext.gettext | ||
|
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|
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| def dialog(model, selection, window): | ||
| """Opens a dialog box to define margins for page cropping""" | ||
|
|
||
| sides = ('L', 'R', 'T', 'B') | ||
| side_names = {'L': _('Left'), 'R': _('Right'), 'T': _('Top'), 'B': _('Bottom')} | ||
| opposite_sides = {'L': 'R', 'R': 'L', 'T': 'B', 'B': 'T'} | ||
|
|
||
| def set_crop_value(spinbutton, side): | ||
| opp_side = opposite_sides[side] | ||
| adjustment = spin_list[sides.index(opp_side)].get_adjustment() | ||
| adjustment.set_upper(99.0 - spinbutton.get_value()) | ||
|
|
||
| crop = [0.0, 0.0, 0.0, 0.0] | ||
| if selection: | ||
| path = selection[0] | ||
| pos = model.get_iter(path) | ||
| crop = [model.get_value(pos, 7 + side) for side in range(4)] | ||
|
|
||
| dialog = Gtk.Dialog( | ||
| title=(_('Crop Selected Pages')), | ||
| parent=window, | ||
| flags=Gtk.DialogFlags.MODAL, | ||
| buttons=( | ||
| Gtk.STOCK_CANCEL, | ||
| Gtk.ResponseType.CANCEL, | ||
| Gtk.STOCK_OK, | ||
| Gtk.ResponseType.OK, | ||
| ), | ||
| ) | ||
| dialog.set_default_response(Gtk.ResponseType.OK) | ||
| dialog.set_resizable(False) | ||
| margin = 12 | ||
| label = Gtk.Label( | ||
| label=_( | ||
| 'Cropping does not remove any content\n' | ||
| 'from the PDF file, it only hides it.' | ||
| ) | ||
| ) | ||
| dialog.vbox.pack_start(label, False, False, 0) | ||
| frame = Gtk.Frame(label=_('Crop Margins')) | ||
| frame.props.margin = margin | ||
| dialog.vbox.pack_start(frame, True, True, 0) | ||
| grid = Gtk.Grid() | ||
| grid.set_column_spacing(margin) | ||
| grid.set_row_spacing(margin) | ||
| grid.props.margin = margin | ||
| frame.add(grid) | ||
|
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||
| spin_list = [] | ||
| units = 2 * [_('% of width')] + 2 * [_('% of height')] | ||
| for row, side in enumerate(sides): | ||
| label = Gtk.Label(label=side_names[side]) | ||
| label.set_alignment(0, 0) | ||
| grid.attach(label, 0, row, 1, 1) | ||
|
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| adj = Gtk.Adjustment( | ||
| value=100.0 * crop.pop(0), | ||
| lower=0.0, | ||
| upper=99.0, | ||
| step_increment=1.0, | ||
| page_increment=5.0, | ||
| page_size=0.0, | ||
| ) | ||
| spin = Gtk.SpinButton(adjustment=adj, climb_rate=0, digits=1) | ||
| spin.set_activates_default(True) | ||
| spin.connect('value-changed', set_crop_value, side) | ||
| spin_list.append(spin) | ||
| grid.attach(spin, 1, row, 1, 1) | ||
|
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||
| label = Gtk.Label(label=units.pop(0)) | ||
| label.set_alignment(0, 0) | ||
| grid.attach(label, 2, row, 1, 1) | ||
|
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| dialog.show_all() | ||
| result = dialog.run() | ||
|
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| crop = None | ||
| if result == Gtk.ResponseType.OK: | ||
| crop = [spin.get_value() / 100.0 for spin in spin_list] | ||
| crop = [crop] * len(selection) | ||
| dialog.destroy() | ||
| return crop | ||
|
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| def white_borders(model, selection, pdfqueue): | ||
| crop = [] | ||
| for path in selection: | ||
| it = model.get_iter(path) | ||
| nfile, npage = model.get(it, 2, 3,) | ||
| pdfdoc = pdfqueue[nfile - 1] | ||
|
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||
| page = pdfdoc.document.get_page(npage - 1) | ||
| w, h = page.get_size() | ||
| w = int(w) | ||
| h = int(h) | ||
| thumbnail = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h) | ||
| cr = cairo.Context(thumbnail) | ||
| page.render(cr) | ||
| data = thumbnail.get_data().cast("i", shape=[h, w]).tolist() | ||
|
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| crop_this_page = [0.0, 0.0, 0.0, 0.0] | ||
|
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| # Left | ||
| allwhite = True | ||
| for col in range(w - 1): | ||
| for row in range(h - 1): | ||
| if data[row][col] != 0: | ||
| allwhite = False | ||
| crop_this_page[0] = (col) / w | ||
| break | ||
| if not allwhite: | ||
| break | ||
|
|
||
| # Right | ||
| allwhite = True | ||
| for col in range(w - 1, 0, -1): | ||
| for row in range(h - 1): | ||
| if data[row][col] != 0: | ||
| allwhite = False | ||
| crop_this_page[1] = (w - col) / w | ||
| break | ||
| if not allwhite: | ||
| break | ||
|
|
||
| # Top | ||
| allwhite = True | ||
| for row in range(h - 1): | ||
| for col in range(w - 1): | ||
| if data[row][col] != 0: | ||
| allwhite = False | ||
| crop_this_page[2] = (row) / h | ||
| break | ||
| if not allwhite: | ||
| break | ||
|
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||
| # Bottom | ||
| allwhite = True | ||
| for row in range(h - 1, 0, -1): | ||
| for col in range(w - 1): | ||
| if data[row][col] != 0: | ||
| allwhite = False | ||
| crop_this_page[3] = (h - row) / h | ||
| break | ||
| if not allwhite: | ||
| break | ||
|
|
||
| crop.append(crop_this_page) | ||
| return crop |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,5 @@ | ||
| pdfarranger/pdfarranger.py | ||
| pdfarranger/metadata.py | ||
| pdfarranger/croputils.py | ||
| data/pdfarranger.ui | ||
| data/menu.ui |
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