1 files changed, 170 insertions, 0 deletions
diff --git a/src/extension/internal/pdfinput/pdf-input.h b/src/extension/internal/pdfinput/pdf-input.h
new file mode 100644
index 0000000..fd97277
--- /dev/null
+++ b/src/extension/internal/pdfinput/pdf-input.h
@@ -0,0 +1,170 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_EXTENSION_INTERNAL_PDFINPUT_H
+#define SEEN_EXTENSION_INTERNAL_PDFINPUT_H
+
+/*
+ * Authors:
+ *   miklos erdelyi
+ *
+ * Copyright (C) 2007 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"  // only include where actually required!
+#endif
+
+#ifdef HAVE_POPPLER
+#include "poppler-transition-api.h"
+
+#include <gtkmm/dialog.h>
+
+#include "../../implementation/implementation.h"
+#include "svg-builder.h"
+
+#ifdef HAVE_POPPLER_CAIRO
+struct _PopplerDocument;
+typedef struct _PopplerDocument            PopplerDocument;
+#endif
+
+struct _GdkEventExpose;
+typedef _GdkEventExpose GdkEventExpose;
+
+class Page;
+class PDFDoc;
+
+namespace Gtk {
+  class Button;
+  class CheckButton;
+  class ComboBoxText;
+  class DrawingArea;
+  class Frame;
+  class Scale;
+  class RadioButton;
+  class Box;
+  class Label;
+}
+
+namespace Inkscape {
+
+namespace UI {
+namespace Widget {
+  class SpinButton;
+  class Frame;
+}
+}
+
+namespace Extension {
+namespace Internal {
+
+/**
+ * PDF import using libpoppler.
+ */
+class PdfImportDialog : public Gtk::Dialog
+{
+public:
+    PdfImportDialog(std::shared_ptr<PDFDoc> doc, const gchar *uri);
+    ~PdfImportDialog() override;
+
+    bool showDialog();
+    int getSelectedPage();
+    bool getImportMethod();
+    void getImportSettings(Inkscape::XML::Node *prefs);
+
+private:
+    void _setPreviewPage(int page);
+
+    // Signal handlers
+    bool _onDraw(const Cairo::RefPtr<Cairo::Context>& cr);
+    void _onPageNumberChanged();
+    void _onToggleAllPages();
+    void _onToggleCropping();
+    void _onPrecisionChanged();
+#ifdef HAVE_POPPLER_CAIRO
+    void _onToggleImport();
+#endif
+    
+    class Gtk::Button * cancelbutton;
+    class Gtk::Button * okbutton;
+    class Gtk::Label * _labelSelect;
+    class Gtk::CheckButton *_pageAllPages;
+    class Inkscape::UI::Widget::SpinButton * _pageNumberSpin;
+    class Gtk::Label * _labelTotalPages;
+    class Gtk::Box * hbox2;
+    class Gtk::CheckButton * _cropCheck;
+    class Gtk::ComboBoxText * _cropTypeCombo;
+    class Gtk::Box * hbox3;
+    class Gtk::Box * vbox2;
+    class Inkscape::UI::Widget::Frame * _pageSettingsFrame;
+    class Gtk::Label * _labelPrecision;
+    class Gtk::Label * _labelPrecisionWarning;
+#ifdef HAVE_POPPLER_CAIRO
+    class Gtk::RadioButton * _importViaPoppler;  // Use poppler_cairo importing
+    class Gtk::Label * _labelViaPoppler;
+    class Gtk::RadioButton * _importViaInternal; // Use native (poppler based) importing
+    class Gtk::Label * _labelViaInternal;
+#endif
+    Gtk::Scale * _fallbackPrecisionSlider;
+    Glib::RefPtr<Gtk::Adjustment> _fallbackPrecisionSlider_adj;
+    class Gtk::Label * _labelPrecisionComment;
+    class Gtk::Box * hbox6;
+#if 0
+    class Gtk::Label * _labelText;
+    class Gtk::ComboBoxText * _textHandlingCombo;
+    class Gtk::Box * hbox5;
+#endif
+    class Gtk::CheckButton * _localFontsCheck;
+    class Gtk::CheckButton * _embedImagesCheck;
+    class Gtk::Box * vbox3;
+    class Inkscape::UI::Widget::Frame * _importSettingsFrame;
+    class Gtk::Box * vbox1;
+    class Gtk::DrawingArea * _previewArea;
+    class Gtk::Box * hbox1;
+
+    std::shared_ptr<PDFDoc> _pdf_doc;   // Document to be imported
+    int _current_page;  // Current selected page
+    Page *_previewed_page;    // Currently previewed page
+    unsigned char *_thumb_data; // Thumbnail image data
+    int _thumb_width, _thumb_height;    // Thumbnail size
+    int _thumb_rowstride;
+    int _preview_width, _preview_height;    // Size of the preview area
+    bool _render_thumb;     // Whether we can/shall render thumbnails
+#ifdef HAVE_POPPLER_CAIRO
+    cairo_surface_t *_cairo_surface;
+    PopplerDocument *_poppler_doc;
+#endif
+};
+
+    
+class PdfInput: public Inkscape::Extension::Implementation::Implementation {
+    PdfInput () = default;;
+public:
+    SPDocument *open( Inkscape::Extension::Input *mod,
+                                const gchar *uri ) override;
+    static void         init( );
+private:
+    void add_builder_page(
+        std::shared_ptr<PDFDoc> pdf_doc,
+        SvgBuilder *builder, SPDocument *doc,
+        int page_num);
+};
+
+} // namespace Implementation
+} // namespace Extension
+} // namespace Inkscape
+
+#endif // HAVE_POPPLER
+
+#endif // SEEN_EXTENSION_INTERNAL_PDFINPUT_H
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :