ViewPage: show @conf in tooltip

ocrd_browser/model/page.py

@@ -53,12 +53,12 @@ def meta(self) -> MetadataType:
         return self.pc_gts.get_Metadata()
 
     def xpath(self, xpath: str) -> List[Element]:
-        return cast(List[Element], self.xml_root.xpath(xpath, namespaces=NAMESPACES))
+        page_namespace = {'page': ns for ns in self.xml_root.nsmap.values() if ns.startswith('http://schema.primaresearch.org/PAGE/gts/pagecontent/')}
+        return cast(List[Element], self.xml_root.xpath(xpath, namespaces=dict(NAMESPACES, **page_namespace)))
 
     @property
     def xml_root(self) -> Element:
         if self.pc_gts.gds_elementtree_node_ is None:
-            from ocrd_models.constants import NAMESPACES
             from ocrd_models.ocrd_page_generateds import parsexmlstring_
             from io import StringIO
             sio = StringIO()

ocrd_browser/model/page_xml_renderer.py

@@ -127,6 +127,17 @@ def __init__(self, region: RegionWithCoords) -> None:
         self._prep_poly: Optional[prepared.PreparedGeometry] = None
         self.warnings: List[str] = []
 
+    @property
+    def coords_conf(self) -> Optional[float]:
+        return cast(float, self.region.Coords.conf) if hasattr(self.region, 'Coords') else None
+
+    @property
+    def text_conf(self) -> Optional[float]:
+        if isinstance(self.region, (TextRegionType, TextLineType, WordType, GlyphType)):
+            if self.region.get_TextEquiv() and self.region.get_TextEquiv()[0].conf:
+                return cast(float, self.region.get_TextEquiv()[0].conf)
+        return None
+
     @property
     def poly(self) -> Polygon:
         return self._poly

ocrd_browser/view/page.py

@@ -124,7 +124,8 @@ def set_page(self, page: Page) -> None:
             versions.append(ImageVersion.from_page(self.document, page))
             alts: List[AlternativeImageType] = page.page.get_AlternativeImage()
             for alt in alts:
-                versions.append(ImageVersion.from_alternative_image(self.document, alt))
+                if self.document.path(alt.filename).exists():
+                    versions.append(ImageVersion.from_alternative_image(self.document, alt))
 
         with self.version_box.handler_block(self._change_handler):
             self.versions.clear()
@@ -255,6 +256,10 @@ def build(self) -> None:
         self.add_configurator('scale', ImageZoomSelector(2.0, 0.05, -4.0, 2.0))
         self.add_configurator('image_version', ImageVersionSelector())
         self.add_configurator('features', PageFeaturesSelector())
+        icon = Gtk.Image.new_from_icon_name('camera-photo', Gtk.IconSize.SMALL_TOOLBAR)
+        button = Gtk.Button(image=icon, visible=True, always_show_image=True, tooltip_text='Saves a screenshot of the current view')
+        button.connect('clicked', self.open_screenshotdialog)
+        self.action_bar.pack_start(button)
 
         actions = ActionRegistry()
         actions.create(name='zoom_by', param_type=GLib.VariantType('i'), callback=self._on_zoom_by)
@@ -412,6 +417,11 @@ def _query_tooltip(self, _image: Gtk.Image, x: int, y: int, _keyboard_mode: bool
         if region:
             content += '\n<tt><big>{}</big></tt>\n\n{}\n'.format(str(region), escape(region.text))
 
+            if region.text_conf:
+                content += '\n<tt>@text.conf=</tt>{}'.format(region.text_conf)
+
+            if region.coords_conf:
+                content += '\n<tt>@coords.conf=</tt>{}'.format(region.coords_conf)
             if region.region_subtype:
                 content += '\n<tt>@type:</tt> {}'.format(region.region_subtype)
             for attribute in [
@@ -530,3 +540,30 @@ def update_transformation(self) -> None:
             self.page_image.height
         )
         self.highlight.queue_draw()
+
+    def open_screenshotdialog(self, button: Gtk.Button) -> None:
+        if self.page_image is None:
+            return
+
+        dialog = Gtk.FileChooserDialog(title="Save image under...",
+                                       parent=self.window,
+                                       action=Gtk.FileChooserAction.SAVE)
+        dialog.add_buttons(Gtk.STOCK_CANCEL,
+                           Gtk.ResponseType.CANCEL,
+                           Gtk.STOCK_SAVE,
+                           Gtk.ResponseType.OK)
+        filter_png = Gtk.FileFilter()
+        filter_png.set_name("PNG image files")
+        filter_png.add_mime_type("image/png")
+        dialog.add_filter(filter_png)
+        dialog.set_current_name("untitled.png")
+
+        response = dialog.run()
+        if response == Gtk.ResponseType.OK:
+            filename = dialog.get_filename()
+        else:
+            filename = ''
+
+        dialog.destroy()
+        if filename:
+            self.page_image.save(filename)

setup.cfg

@@ -1,5 +1,6 @@
 [flake8]
 ignore=E501
+exclude=tests/assets/__init__.py
 
 [mypy]
 warn_return_any = True

tests/example/workspaces/aletheiaexamplepage/mets.xml

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<mets:mets xmlns:mets="http://www.loc.gov/METS/" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="info:lc/xmlns/premis-v2 http://www.loc.gov/standards/premis/v2/premis-v2-0.xsd http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-6.xsd http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/mets.xsd http://www.loc.gov/mix/v10 http://www.loc.gov/standards/mix/mix10/mix10.xsd">
+  <mets:metsHdr CREATEDATE="2021-12-08T20:20:46.339296">
+    <mets:agent TYPE="OTHER" OTHERTYPE="SOFTWARE" ROLE="CREATOR">
+      <mets:name>ocrd/core v2.26.1</mets:name>
+    </mets:agent>
+  </mets:metsHdr>
+  <mets:dmdSec ID="DMDLOG_0001">
+    <mets:mdWrap MDTYPE="MODS">
+      <mets:xmlData>
+        <mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
+                </mods:mods>
+      </mets:xmlData>
+    </mets:mdWrap>
+  </mets:dmdSec>
+  <mets:amdSec ID="AMD">
+    </mets:amdSec>
+  <mets:fileSec>
+    <mets:fileGrp USE="OCR-D-GT-PAGE">
+      <mets:file ID="PAGE_2017_XML" MIMETYPE="application/vnd.prima.page+xml">
+        <mets:FLocat LOCTYPE="OTHER" OTHERLOCTYPE="FILE" xlink:href="OCR-D-GT-PAGE/PAGE_2017.xml"/>
+      </mets:file>
+      <mets:file ID="PAGE_2018_XML" MIMETYPE="application/vnd.prima.page+xml">
+        <mets:FLocat LOCTYPE="OTHER" OTHERLOCTYPE="FILE" xlink:href="OCR-D-GT-PAGE/PAGE_2018.xml"/>
+      </mets:file>
+      <mets:file ID="PAGE_2019_XML" MIMETYPE="application/vnd.prima.page+xml">
+        <mets:FLocat LOCTYPE="OTHER" OTHERLOCTYPE="FILE" xlink:href="OCR-D-GT-PAGE/PAGE_2019.xml"/>
+      </mets:file>
+    </mets:fileGrp>
+    <mets:fileGrp USE="OCR-D-GT-IMG">
+      <mets:file ID="PAGE_2017_IMG" MIMETYPE="image/jpeg">
+        <mets:FLocat LOCTYPE="OTHER" OTHERLOCTYPE="FILE" xlink:href="OCR-D-GT-IMG/PAGE_2017.jpg"/>
+      </mets:file>
+      <mets:file ID="PAGE_2018_IMG" MIMETYPE="image/jpeg">
+        <mets:FLocat LOCTYPE="OTHER" OTHERLOCTYPE="FILE" xlink:href="OCR-D-GT-IMG/PAGE_2018.jpg"/>
+      </mets:file>
+      <mets:file ID="PAGE_2019_IMG" MIMETYPE="image/jpeg">
+        <mets:FLocat LOCTYPE="OTHER" OTHERLOCTYPE="FILE" xlink:href="OCR-D-GT-IMG/PAGE_2019.jpg"/>
+      </mets:file>
+    </mets:fileGrp>
+    <mets:fileGrp USE="OCR-D-GT-IMG-BIN">
+      <mets:file ID="PAGE_2017_BIN" MIMETYPE="image/tiff">
+        <mets:FLocat LOCTYPE="OTHER" OTHERLOCTYPE="FILE" xlink:href="OCR-D-GT-IMG-BIN/PAGE_2017.tif"/>
+      </mets:file>
+      <mets:file ID="PAGE_2018_BIN" MIMETYPE="image/tiff">
+        <mets:FLocat LOCTYPE="OTHER" OTHERLOCTYPE="FILE" xlink:href="OCR-D-GT-IMG-BIN/PAGE_2018.tif"/>
+      </mets:file>
+      <mets:file ID="PAGE_2019_BIN" MIMETYPE="image/tiff">
+        <mets:FLocat LOCTYPE="OTHER" OTHERLOCTYPE="FILE" xlink:href="OCR-D-GT-IMG-BIN/PAGE_2019.tif"/>
+      </mets:file>
+    </mets:fileGrp>
+  </mets:fileSec>
+  <mets:structMap TYPE="PHYSICAL">
+    <mets:div TYPE="physSequence">
+      <mets:div TYPE="page" ID="PAGE_2017">
+        <mets:fptr FILEID="PAGE_2017_XML"/>
+        <mets:fptr FILEID="PAGE_2017_IMG"/>
+        <mets:fptr FILEID="PAGE_2017_BIN"/>
+      </mets:div>
+      <mets:div TYPE="page" ID="PAGE_2018">
+        <mets:fptr FILEID="PAGE_2018_XML"/>
+        <mets:fptr FILEID="PAGE_2018_IMG"/>
+        <mets:fptr FILEID="PAGE_2018_BIN"/>
+      </mets:div>
+      <mets:div TYPE="page" ID="PAGE_2019">
+        <mets:fptr FILEID="PAGE_2019_XML"/>
+        <mets:fptr FILEID="PAGE_2019_IMG"/>
+        <mets:fptr FILEID="PAGE_2019_BIN"/>
+      </mets:div>
+
+    </mets:div>
+  </mets:structMap>
+</mets:mets>

tests/model/test_page.py

@@ -0,0 +1,14 @@
+from tests import TestCase, TEST_BASE_PATH
+from ocrd_browser.model import Document
+
+
+class PageTestCase(TestCase):
+
+    def setUp(self):
+        self.doc = Document.load(TEST_BASE_PATH / 'example/workspaces/aletheiaexamplepage/mets.xml')
+
+    def test_xpath_works_with_different_namespaces(self):
+        for page_id in ['PAGE_2017', 'PAGE_2018', 'PAGE_2019']:
+            page = self.doc.page_for_id(page_id, 'OCR-D-GT-PAGE')
+            xpath_result = page.xpath('/page:PcGts/page:Page/@imageFilename')
+            self.assertGreater(len(xpath_result), 0)

tests/util/test_image.py

@@ -31,7 +31,7 @@ def _image_modes():
 class ImageUtilTestCase(TestCase):
 
     def test_pil_to_pixbuf_is_faster_via_opencv(self):
-        # self.skipTest('Slow test')
+        self.skipTest('Slow test')
         files = [
             ASSETS_PATH / 'kant_aufklaerung_1784-binarized/data/OCR-D-IMG/OCR-D-IMG_0017.tif',
             ASSETS_PATH / 'kant_aufklaerung_1784-binarized/data/OCR-D-IMG-1BIT/OCR-D-IMG-1BIT_0017.png',