1 files changed, 158 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..e6d6c55
--- /dev/null
+++ b/src/extension/internal/pdfinput/pdf-input.h
@@ -0,0 +1,158 @@
+// 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 <gtkmm.h>
+#include <gtkmm/dialog.h>
+
+#include "../../implementation/implementation.h"
+#include "poppler-transition-api.h"
+#include "poppler-utils.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;
+  class Entry;
+}
+
+namespace Inkscape {
+
+namespace UI {
+namespace Widget {
+  class SpinButton;
+  class Frame;
+}
+}
+
+enum class PdfImportType : unsigned char
+{
+    PDF_IMPORT_INTERNAL,
+    PDF_IMPORT_CAIRO,
+};
+
+namespace Extension {
+namespace Internal {
+
+class FontModelColumns;
+
+/**
+ * PDF import using libpoppler.
+ */
+class PdfImportDialog : public Gtk::Dialog
+{
+public:
+    PdfImportDialog(std::shared_ptr<PDFDoc> doc, const gchar *uri);
+    ~PdfImportDialog() override;
+
+    bool showDialog();
+    std::string getSelectedPages();
+    PdfImportType getImportMethod();
+    void getImportSettings(Inkscape::XML::Node *prefs);
+    FontStrategies getFontStrategies();
+    void setFontStrategies(const FontStrategies &fs);
+
+private:
+    void _fontRenderChanged();
+    void _setPreviewPage(int page);
+    void _setFonts(const FontList &fonts);
+
+    // Signal handlers
+    bool _onDraw(const Cairo::RefPtr<Cairo::Context>& cr);
+    void _onPageNumberChanged();
+    void _onPrecisionChanged();
+
+    Glib::RefPtr<Gtk::Builder> _builder;
+
+    Gtk::Entry &_page_numbers;
+    Gtk::DrawingArea &_preview_area;
+    Gtk::CheckButton &_embed_images;
+    Gtk::Scale &_mesh_slider;
+    Gtk::Label &_mesh_label;
+    Gtk::Button &_next_page;
+    Gtk::Button &_prev_page;
+    Gtk::Label &_current_page;
+    Glib::RefPtr<Gtk::ListStore> _font_model;
+    FontModelColumns *_font_col;
+
+    std::shared_ptr<PDFDoc> _pdf_doc;   // Document to be imported
+    std::string _current_pages;  // Current selected pages
+    FontList _font_list;         // List of fonts and the pages they appear on
+    int _total_pages = 0;
+    int _preview_page = 1;
+    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 = nullptr;
+    PopplerDocument *_poppler_doc = nullptr;
+#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 :