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122 lines
3.5 KiB
122 lines
3.5 KiB
// Copyright (C) 2013, 2014 Andreas Politz
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include <config.h>
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#include <PDFDocEncoding.h>
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#include <Annot.h>
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#include <glib.h>
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#include <glib-object.h>
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#include <poppler-features.h>
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extern "C"
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{
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GType poppler_annot_get_type (void) G_GNUC_CONST;
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GType poppler_annot_markup_get_type (void) G_GNUC_CONST;
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#define POPPLER_TYPE_ANNOT (poppler_annot_get_type ())
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#define POPPLER_ANNOT(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), POPPLER_TYPE_ANNOT, PopplerAnnot))
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#define POPPLER_IS_ANNOT_MARKUP(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), POPPLER_TYPE_ANNOT_MARKUP))
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#define POPPLER_TYPE_ANNOT_MARKUP (poppler_annot_markup_get_type ())
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#if POPPLER_CHECK_VERSION(0,72,0)
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#define GET_CSTR c_str
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#else
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#define GET_CSTR getCString
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#endif
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struct PopplerAnnot
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{
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GObject parent_instance;
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Annot *annot;
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};
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struct PopplerAnnotMarkup
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{
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GObject parent_instance;
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};
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struct PopplerRectangle
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{
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double x1;
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double y1;
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double x2;
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double y2;
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};
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// This function does not modify its argument s, but for
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// compatibility reasons (e.g. getLength in GooString.h before 2015)
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// with older poppler code, it can't be declared as such.
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char *_xpoppler_goo_string_to_utf8(/* const */ GooString *s)
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{
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char *result;
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if (! s)
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return NULL;
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if (s->hasUnicodeMarker()) {
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result = g_convert (s->GET_CSTR () + 2,
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s->getLength () - 2,
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"UTF-8", "UTF-16BE", NULL, NULL, NULL);
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} else {
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int len;
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gunichar *ucs4_temp;
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int i;
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len = s->getLength ();
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ucs4_temp = g_new (gunichar, len + 1);
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for (i = 0; i < len; ++i) {
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ucs4_temp[i] = pdfDocEncoding[(unsigned char)s->getChar(i)];
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}
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ucs4_temp[i] = 0;
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result = g_ucs4_to_utf8 (ucs4_temp, -1, NULL, NULL, NULL);
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g_free (ucs4_temp);
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}
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return result;
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}
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#ifdef HAVE_POPPLER_ANNOT_WRITE
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// Set the rectangle of an annotation. It was first added in v0.26.
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void xpoppler_annot_set_rectangle (PopplerAnnot *a, PopplerRectangle *rectangle)
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{
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GooString *state = (GooString*) a->annot->getAppearState ();
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char *ustate = _xpoppler_goo_string_to_utf8 (state);
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a->annot->setRect (rectangle->x1, rectangle->y1,
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rectangle->x2, rectangle->y2);
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a->annot->setAppearanceState (ustate);
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g_free (ustate);
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}
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#endif
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// This function is in the library, but the enforced date parsing is
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// incomplete (at least in some versions), because it ignores the
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// timezone.
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gchar *xpoppler_annot_markup_get_created (PopplerAnnotMarkup *poppler_annot)
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{
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AnnotMarkup *annot;
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GooString *text;
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g_return_val_if_fail (POPPLER_IS_ANNOT_MARKUP (poppler_annot), NULL);
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annot = static_cast<AnnotMarkup *>(POPPLER_ANNOT (poppler_annot)->annot);
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text = (GooString*) annot->getDate ();
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return text ? _xpoppler_goo_string_to_utf8 (text) : NULL;
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}
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}
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