diff options
| author | Shawn Rutledge <shawn.t.rutledge@gmail.com> | 2009-06-03 01:19:16 +0200 |
|---|---|---|
| committer | Pino Toscano <pino@kde.org> | 2009-06-03 01:19:16 +0200 |
| commit | 1f1baf186f9e37606765e51ec5b9893ddfbfa893 (patch) | |
| tree | 86908b976269e62db06764a57b162612fdc2a38a /qt4 | |
| parent | 5cc24be1e9af0a27ab88ffa719bcabc2378868e4 (diff) | |
[Qt4] Add Page::thumbnail()
This function can be used to get the embedded thumbnail of the page, present in the document.
Reindented by me, and avoid a memory leak because of non-freed data.
Diffstat (limited to 'qt4')
| -rw-r--r-- | qt4/src/poppler-page.cc | 21 | ||||
| -rw-r--r-- | qt4/src/poppler-qt4.h | 11 |
2 files changed, 31 insertions, 1 deletions
diff --git a/qt4/src/poppler-page.cc b/qt4/src/poppler-page.cc index 9a27538f..f3edfe6b 100644 --- a/qt4/src/poppler-page.cc +++ b/qt4/src/poppler-page.cc @@ -3,8 +3,9 @@ * Copyright (C) 2005, Brad Hards <bradh@frogmouth.net> * Copyright (C) 2005-2008, Albert Astals Cid <aacid@kde.org> * Copyright (C) 2005, Stefan Kebekus <stefan.kebekus@math.uni-koeln.de> - * Copyright (C) 2006-2008, Pino Toscano <pino@kde.org> + * Copyright (C) 2006-2009, Pino Toscano <pino@kde.org> * Copyright (C) 2008 Carlos Garcia Campos <carlosgc@gnome.org> + * Copyright (C) 2009 Shawn Rutledge <shawn.t.rutledge@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -277,6 +278,24 @@ QImage Page::renderToImage(double xres, double yres, int x, int y, int w, int h, return img; } +QImage Page::thumbnail() const +{ + unsigned char* data = 0; + int w = 0; + int h = 0; + int rowstride = 0; + GBool r = m_page->page->loadThumb(&data, &w, &h, &rowstride); + QImage ret; + if (r) + { + // first construct a temporary image with the data got, + // then force a copy of it so we can free the raw thumbnail data + ret = QImage(data, w, h, rowstride, QImage::Format_RGB888).copy(); + gfree(data); + } + return ret; +} + QString Page::text(const QRectF &r) const { TextOutputDev *output_dev; diff --git a/qt4/src/poppler-qt4.h b/qt4/src/poppler-qt4.h index 05c4c0de..257162ec 100644 --- a/qt4/src/poppler-qt4.h +++ b/qt4/src/poppler-qt4.h @@ -4,6 +4,7 @@ * Copyright (C) 2005-2008, Albert Astals Cid <aacid@kde.org> * Copyright (C) 2005, Stefan Kebekus <stefan.kebekus@math.uni-koeln.de> * Copyright (C) 2006-2009, Pino Toscano <pino@kde.org> + * Copyright (C) 2009 Shawn Rutledge <shawn.t.rutledge@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -417,6 +418,16 @@ while (it->hasNext()) { QImage renderToImage(double xres=72.0, double yres=72.0, int x=-1, int y=-1, int w=-1, int h=-1, Rotation rotate = Rotate0) const; /** + Get the page thumbnail if it exists. + + \return a QImage of the thumbnail, or a null image + if the PDF does not contain one for this page + + \since 0.12 + */ + QImage thumbnail() const; + + /** Returns the text that is inside a specified rectangle \param rect the rectangle specifying the area of interest, |