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imported svgpart and thumbnailers

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This commit is contained in:
Ivailo Monev 2014-11-27 14:05:13 +00:00
parent bcc405448c
commit d85503ae3f
24 changed files with 7164 additions and 0 deletions
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2
CMakeLists.txt
View file

@ -42,3 +42,5 @@ macro_optional_add_subdirectory (kuser)
macro_optional_add_subdirectory (okular)
macro_optional_add_subdirectory (partitionmanager)
macro_optional_add_subdirectory (print-manager)
macro_optional_add_subdirectory (svgpart)
macro_optional_add_subdirectory (thumbnailers)

20
svgpart/CMakeLists.txt Normal file
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@ -0,0 +1,20 @@
project(svgpart)
find_package(KDE4 REQUIRED)
include(KDE4Defaults)
include(MacroLibrary)
add_definitions(${QT_DEFINITIONS} ${QT_QTDBUS_DEFINITIONS} ${KDE4_DEFINITIONS})
include_directories(${QDBUS_INCLUDE_DIRS} ${CMAKE_SOURCE_DIR} ${CMAKE_BINARY_DIR} ${KDE4_INCLUDES})
set(svgpart_SRCS
svgpart.cpp
)
kde4_add_plugin(svgpart ${svgpart_SRCS})
target_link_libraries(svgpart ${KDE4_KPARTS_LIBS})
install(TARGETS svgpart DESTINATION ${PLUGIN_INSTALL_DIR})
install(FILES svgpart.desktop DESTINATION ${SERVICES_INSTALL_DIR})
install(FILES svgpart.rc DESTINATION ${DATA_INSTALL_DIR}/svgpart)

339
svgpart/COPYING Normal file
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@ -0,0 +1,339 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have. You must make sure that they, too, receive or can get the
source code. And you must show them these terms so they know their
rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software. If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
authors' reputations.
Finally, any free program is threatened constantly by software
patents. We wish to avoid the danger that redistributors of a free
program will individually obtain patent licenses, in effect making the
program proprietary. To prevent this, we have made it clear that any
patent must be licensed for everyone's free use or not licensed at all.
The precise terms and conditions for copying, distribution and
modification follow.
GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in
the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope. The act of
running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's
source code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the
notices that refer to this License and to the absence of any warranty;
and give any other recipients of the Program a copy of this License
along with the Program.
You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion
of it, thus forming a work based on the Program, and copy and
distribute such modifications or work under the terms of Section 1
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a) You must cause the modified files to carry prominent notices
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whole or in part contains or is derived from the Program or any
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c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
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announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
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the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
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In addition, mere aggregation of another work not based on the Program
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integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
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This section is intended to make thoroughly clear what is believed to
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8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
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of the General Public License from time to time. Such new versions will
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either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
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Foundation.
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Software Foundation, write to the Free Software Foundation; we sometimes
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of preserving the free status of all derivatives of our free software and
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NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

3
svgpart/Messages.sh Executable file
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@ -0,0 +1,3 @@
#! /bin/sh
$EXTRACTRC *.rc >> rc.cpp
$XGETTEXT *.cpp -o $podir/svgpart.pot

109
svgpart/svgpart.cpp Normal file
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/*
Copyright 2007 Aurélien Gâteau
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 the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "svgpart.moc"
// Qt
#include <QGraphicsScene>
#include <QGraphicsSvgItem>
#include <QGraphicsView>
#include <QSvgRenderer>
// KDE
#include <kaboutdata.h>
#include <kactioncollection.h>
#include <kgenericfactory.h>
#include <kstandardaction.h>
// Local
static KAboutData createAboutData()
{
KAboutData aboutData( "svgpart", 0, ki18n("SVG Part"),
"1.0", ki18n("A KPart to display SVG images"),
KAboutData::License_GPL,
ki18n("Copyright 2007, Aurélien Gâteau <aurelien.gateau@free.fr>"));
return aboutData;
}
//Factory Code
K_PLUGIN_FACTORY( SvgPartFactory, registerPlugin< SvgPart >(); )
K_EXPORT_PLUGIN( SvgPartFactory( createAboutData() ) )
SvgPart::SvgPart(QWidget* parentWidget, QObject* parent, const QVariantList&)
: KParts::ReadOnlyPart(parent)
{
mRenderer = new QSvgRenderer(this);
mScene = new QGraphicsScene(this);
mView = new QGraphicsView(mScene, parentWidget);
mView->setFrameStyle(QFrame::NoFrame);
mView->setDragMode(QGraphicsView::ScrollHandDrag);
mItem = 0;
setWidget(mView);
KStandardAction::actualSize(this, SLOT(zoomActualSize()), actionCollection());
KStandardAction::zoomIn(this, SLOT(zoomIn()), actionCollection());
KStandardAction::zoomOut(this, SLOT(zoomOut()), actionCollection());
setXMLFile("svgpart/svgpart.rc");
}
bool SvgPart::openFile() {
if (!mRenderer->load(localFilePath())) {
return false;
}
mItem = new QGraphicsSvgItem();
mItem->setSharedRenderer(mRenderer);
mScene->addItem(mItem);
return true;
}
bool SvgPart::closeUrl() {
delete mItem;
mItem = 0;
return KParts::ReadOnlyPart::closeUrl();
}
void SvgPart::zoomIn() {
setZoom(zoom() * 2);
}
void SvgPart::zoomOut() {
setZoom(zoom() / 2);
}
void SvgPart::zoomActualSize() {
setZoom(1.0);
}
qreal SvgPart::zoom() const {
return mView->matrix().m11();
}
void SvgPart::setZoom(qreal value) {
QMatrix matrix;
matrix.scale(value, value);
mView->setMatrix(matrix);
}

67
svgpart/svgpart.desktop Normal file
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[Desktop Entry]
Type=Service
Name=Svg Part
Name[ar]=جزء Svg
Name[ast]=Parte SVG
Name[bg]=Модул за Svg
Name[bs]=SVG dio
Name[ca]=Svg Part
Name[ca@valencia]=Svg Part
Name[cs]=SVG komponenta
Name[da]=Svg Part
Name[de]=SVG-Komponente
Name[el]=Τμήμα Svg
Name[en_GB]=Svg Part
Name[eo]=Svg komponanto
Name[es]=Parte SVG
Name[et]=Svg komponent
Name[eu]=SVGren zatia
Name[fi]=SVG-osa
Name[fr]=Composant SVG
Name[ga]=Comhpháirt Svg
Name[gl]=Compoñente de SVG
Name[hne]=एसवीजी पार्ट
Name[hr]=Svg Part
Name[hu]=SVG objektum
Name[ia]=Parte de SVG
Name[is]=Svg hlutur
Name[it]=Componente SVG
Name[ja]=SVG コンポーネント
Name[kk]=Svg компоненті
Name[km]=ផ្នែក Svg
Name[ko]=Svg 부분
Name[ku]=Beşa Svg
Name[lt]=Svg Part
Name[lv]=Svg daļa
Name[mr]=Svg भाग
Name[nb]=Svg-del
Name[nds]=SVG-Komponent
Name[nl]=SVG-component
Name[nn]=SVG-del
Name[pa]=Svg ਭਾਗ
Name[pl]=Moduł SVG
Name[pt]=Componente de SVG
Name[pt_BR]=Componente SVG
Name[ro]=Componentă SVG
Name[ru]=Компонент просмотра Svg
Name[si]=Svg Part
Name[sk]=Svg komponent
Name[sl]=Sestavni del SVG
Name[sr]=СВГ део
Name[sr@ijekavian]=СВГ део
Name[sr@ijekavianlatin]=SVG deo
Name[sr@latin]=SVG deo
Name[sv]=SVG-delprogram
Name[th]=ส่วนจัดการ Svg
Name[tr]=Svg Parçacığı
Name[ug]=Svg Part
Name[uk]=Компонент Svg
Name[vi]=Phần nhúng đọc SVG
Name[x-test]=xxSvg Partxx
Name[zh_CN]=Svg 组件
Name[zh_TW]=Svg 部件
MimeType=image/svg+xml;image/svg+xml-compressed;
ServiceTypes=KParts/ReadOnlyPart
X-KDE-Library=svgpart
InitialPreference=12
Icon=image-svg+xml

56
svgpart/svgpart.h Normal file
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/*
Copyright 2007 Aurélien Gâteau
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 the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef SVGPART_H
#define SVGPART_H
// KDE
#include <kparts/part.h>
class QGraphicsScene;
class QGraphicsSvgItem;
class QGraphicsView;
class QSvgRenderer;
class SvgPart : public KParts::ReadOnlyPart {
Q_OBJECT
public:
SvgPart(QWidget* parentWidget, QObject* parent, const QVariantList&);
virtual bool closeUrl();
protected:
virtual bool openFile();
private Q_SLOTS:
void zoomActualSize();
void zoomIn();
void zoomOut();
private:
QGraphicsScene* mScene;
QGraphicsView* mView;
QGraphicsSvgItem* mItem;
QSvgRenderer* mRenderer;
qreal zoom() const;
void setZoom(qreal);
};
#endif /* SVGPART_H */

22
svgpart/svgpart.rc Normal file
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<!DOCTYPE kpartgui>
<kpartgui name="SvgPart" version="2">
<MenuBar>
<Menu name="view"><text>&amp;View</text>
<Action name="view_actual_size"/>
<!--
<Action name="view_zoom_to_fit"/>
-->
<Action name="view_zoom_in"/>
<Action name="view_zoom_out"/>
</Menu>
</MenuBar>
<ToolBar name="mainToolBar"><text>Main Toolbar</text>
<Action name="view_actual_size"/>
<!--
<Action name="view_zoom_to_fit"/>
-->
<Action name="view_zoom_in"/>
<Action name="view_zoom_out"/>
</ToolBar>
</kpartgui>

23
thumbnailers/CMakeLists.txt Normal file
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@ -0,0 +1,23 @@
project(kdegraphics-thumbnailers)
find_package(KDE4 REQUIRED)
include(KDE4Defaults)
include(MacroLibrary)
include(MacroOptionalAddSubdirectory)
add_definitions(${QT_DEFINITIONS} ${KDE4_DEFINITIONS} -DQT_USE_FAST_CONCATENATION -DQT_USE_FAST_OPERATOR_PLUS)
include_directories(${KDE4_INCLUDES})
macro_optional_find_package(Kexiv2)
macro_optional_find_package(Kdcraw)
macro_log_feature(KEXIV2_FOUND "libkexiv2" "A library for reading and writing image metadata" "www.kde.org" FALSE "" "Required to build the RAW thumbnailer")
macro_log_feature(KDCRAW_FOUND "libkdcraw" "A library for accessing raw files" "www.kde.org" FALSE "" "Required to build the RAW thumbnailer")
macro_optional_add_subdirectory(ps)
if(KEXIV2_FOUND AND KDCRAW_FOUND)
macro_optional_add_subdirectory(raw)
endif()
macro_display_feature_log()

339
thumbnailers/COPYING Normal file
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@ -0,0 +1,339 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have. You must make sure that they, too, receive or can get the
source code. And you must show them these terms so they know their
rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software. If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
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How to Apply These Terms to Your New Programs
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Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
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Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
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The hypothetical commands `show w' and `show c' should show the appropriate
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
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@ -0,0 +1,481 @@
GNU LIBRARY GENERAL PUBLIC LICENSE
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12. If the distribution and/or use of the Library is restricted in
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an explicit geographical distribution limitation excluding those countries,
so that distribution is permitted only in or among countries not thus
excluded. In such case, this License incorporates the limitation as if
written in the body of this License.
13. The Free Software Foundation may publish revised and/or new
versions of the Library General Public License from time to time.
Such new versions will be similar in spirit to the present version,
but may differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Library
specifies a version number of this License which applies to it and
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14. If you wish to incorporate parts of the Library into other free
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Libraries
If you develop a new library, and you want it to be of the greatest
possible use to the public, we recommend making it free software that
everyone can redistribute and change. You can do so by permitting
redistribution under these terms (or, alternatively, under the terms of the
ordinary General Public License).
To apply these terms, attach the following notices to the library. It is
safest to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least the
"copyright" line and a pointer to where the full notice is found.
<one line to give the library's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
Also add information on how to contact you by electronic and paper mail.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the library, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the
library `Frob' (a library for tweaking knobs) written by James Random Hacker.
<signature of Ty Coon>, 1 April 1990
Ty Coon, President of Vice
That's all there is to it!

17
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########### next target ###############
set(gsthumbnail_PART_SRCS gscreator.cpp dscparse.cpp dscparse_adapter.cpp)
kde4_add_plugin(gsthumbnail ${gsthumbnail_PART_SRCS})
target_link_libraries(gsthumbnail ${KDE4_KDECORE_LIBS} ${KDE4_KIO_LIBS} ${QT_QTGUI_LIBRARY} )
install(TARGETS gsthumbnail DESTINATION ${PLUGIN_INSTALL_DIR} )
########### install files ###############
install( FILES gsthumbnail.desktop DESTINATION ${SERVICES_INSTALL_DIR} )

2
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#! /bin/sh
$XGETTEXT *.cpp -o $podir/kfile_ps.pot

3429
thumbnailers/ps/dscparse.cpp Normal file
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File diff suppressed because it is too large Load diff

477
thumbnailers/ps/dscparse.h Normal file
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/* Copyright (C) 2000-2001, Ghostgum Software Pty Ltd. All rights reserved.
This file is part of GSview.
This file is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY. No author or distributor accepts responsibility
to anyone for the consequences of using it or for whether it serves any
particular purpose or works at all, unless he says so in writing. Refer
to the GNU General Public License for full details.
Everyone is granted permission to copy, modify and redistribute this
file, but only under the conditions described in the GNU General
Public License. A copy of this license is supposed to have been given
to you along with this file so you can know your rights and
responsibilities. It should be in a file named COPYING. Among other
things, the copyright notice and this notice must be preserved on all
copies.
*/
/* $Id$ */
/* dscparse.h */
/* Interface for the DSC parser. */
#ifndef _DSCPARSE_H_
#define _DSCPARSE_H_
/* Some local types that may need modification */
typedef bool GSBOOL;
typedef unsigned long GSDWORD; /* must be at least 32 bits */
typedef unsigned int GSWORD; /* must be at least 16 bits */
#ifndef FALSE
# define FALSE ((GSBOOL)0)
# define TRUE ((GSBOOL)(!FALSE))
#endif
#ifndef dsc_private
# ifdef private
# define dsc_private private
# else
# define dsc_private static
# endif
#endif
#ifndef min
# define min(a,b) ((a) < (b) ? (a) : (b))
#endif
/* macros to allow conversion of function declarations to K&R */
#ifndef P0
#define P0() void
#define P1(t1) t1
#define P2(t1,t2) t1,t2
#define P3(t1,t2,t3) t1,t2,t3
#define P4(t1,t2,t3,t4) t1,t2,t3,t4
#define P5(t1,t2,t3,t4,t5) t1,t2,t3,t4,t5
#define P6(t1,t2,t3,t4,t5,t6) t1,t2,t3,t4,t5,t6
#endif
/* maximum legal length of lines in a DSC compliant file */
#define DSC_LINE_LENGTH 255
/* memory for strings is allocated in chunks of this length */
#define CDSC_STRING_CHUNK 4096
/* page array is allocated in chunks of this many pages */
#define CDSC_PAGE_CHUNK 128
/* buffer length for storing lines passed to dsc_scan_data() */
/* must be at least 2 * DSC_LINE_LENGTH */
/* We choose 8192 as twice the length passed to us by GSview */
#define CDSC_DATA_LENGTH 8192
/* Return codes from dsc_scan_data()
* < 0 = error
* >=0 = OK
*
* -1 = error, usually insufficient memory.
* 0-9 = normal
* 10-99 = internal codes, should not be seen.
* 100-999 = identifier of last DSC comment processed.
*/
typedef enum {
CDSC_ERROR = -1, /* Fatal error, usually insufficient memory */
CDSC_OK = 0, /* OK, no DSC comment found */
CDSC_NOTDSC = 1, /* Not DSC, or DSC is being ignored */
/* Any section */
CDSC_UNKNOWNDSC = 100, /* DSC comment not recognised */
/* Header section */
CDSC_PSADOBE = 200, /* %!PS-Adobe- */
CDSC_BEGINCOMMENTS = 201, /* %%BeginComments */
CDSC_ENDCOMMENTS = 202, /* %%EndComments */
CDSC_PAGES = 203, /* %%Pages: */
CDSC_CREATOR = 204, /* %%Creator: */
CDSC_CREATIONDATE = 205, /* %%CreationDate: */
CDSC_TITLE = 206, /* %%Title: */
CDSC_FOR = 207, /* %%For: */
CDSC_LANGUAGELEVEL = 208, /* %%LanguageLevel: */
CDSC_BOUNDINGBOX = 209, /* %%BoundingBox: */
CDSC_ORIENTATION = 210, /* %%Orientation: */
CDSC_PAGEORDER = 211, /* %%PageOrder: */
CDSC_DOCUMENTMEDIA = 212, /* %%DocumentMedia: */
CDSC_DOCUMENTPAPERSIZES = 213, /* %%DocumentPaperSizes: */
CDSC_DOCUMENTPAPERFORMS = 214, /* %%DocumentPaperForms: */
CDSC_DOCUMENTPAPERCOLORS = 215, /* %%DocumentPaperColors: */
CDSC_DOCUMENTPAPERWEIGHTS = 216, /* %%DocumentPaperWeights: */
CDSC_DOCUMENTDATA = 217, /* %%DocumentData: */
CDSC_REQUIREMENTS = 218, /* IGNORED %%Requirements: */
CDSC_DOCUMENTNEEDEDFONTS = 219, /* IGNORED %%DocumentNeededFonts: */
CDSC_DOCUMENTSUPPLIEDFONTS = 220, /* IGNORED %%DocumentSuppliedFonts: */
CDSC_HIRESBOUNDINGBOX = 221, /* %%HiResBoundingBox: */
CDSC_CROPBOX = 222, /* %%CropBox: */
/* Preview section */
CDSC_BEGINPREVIEW = 301, /* %%BeginPreview */
CDSC_ENDPREVIEW = 302, /* %%EndPreview */
/* Defaults section */
CDSC_BEGINDEFAULTS = 401, /* %%BeginDefaults */
CDSC_ENDDEFAULTS = 402, /* %%EndDefaults */
/* also %%PageMedia, %%PageOrientation, %%PageBoundingBox */
/* Prolog section */
CDSC_BEGINPROLOG = 501, /* %%BeginProlog */
CDSC_ENDPROLOG = 502, /* %%EndProlog */
CDSC_BEGINFONT = 503, /* IGNORED %%BeginFont */
CDSC_ENDFONT = 504, /* IGNORED %%EndFont */
CDSC_BEGINFEATURE = 505, /* IGNORED %%BeginFeature */
CDSC_ENDFEATURE = 506, /* IGNORED %%EndFeature */
CDSC_BEGINRESOURCE = 507, /* IGNORED %%BeginResource */
CDSC_ENDRESOURCE = 508, /* IGNORED %%EndResource */
CDSC_BEGINPROCSET = 509, /* IGNORED %%BeginProcSet */
CDSC_ENDPROCSET = 510, /* IGNORED %%EndProcSet */
/* Setup section */
CDSC_BEGINSETUP = 601, /* %%BeginSetup */
CDSC_ENDSETUP = 602, /* %%EndSetup */
CDSC_FEATURE = 603, /* IGNORED %%Feature: */
CDSC_PAPERCOLOR = 604, /* IGNORED %%PaperColor: */
CDSC_PAPERFORM = 605, /* IGNORED %%PaperForm: */
CDSC_PAPERWEIGHT = 606, /* IGNORED %%PaperWeight: */
CDSC_PAPERSIZE = 607, /* %%PaperSize: */
/* also %%Begin/EndFeature, %%Begin/EndResource */
/* Page section */
CDSC_PAGE = 700, /* %%Page: */
CDSC_PAGETRAILER = 701, /* IGNORED %%PageTrailer */
CDSC_BEGINPAGESETUP = 702, /* IGNORED %%BeginPageSetup */
CDSC_ENDPAGESETUP = 703, /* IGNORED %%EndPageSetup */
CDSC_PAGEMEDIA = 704, /* %%PageMedia: */
/* also %%PaperColor, %%PaperForm, %%PaperWeight, %%PaperSize */
CDSC_PAGEORIENTATION = 705, /* %%PageOrientation: */
CDSC_PAGEBOUNDINGBOX = 706, /* %%PageBoundingBox: */
/* also %%Begin/EndFont, %%Begin/EndFeature */
/* also %%Begin/EndResource, %%Begin/EndProcSet */
CDSC_INCLUDEFONT = 707, /* IGNORED %%IncludeFont: */
CDSC_VIEWINGORIENTATION = 708, /* %%ViewingOrientation: */
/* Trailer section */
CDSC_TRAILER = 800, /* %%Trailer */
/* also %%Pages, %%BoundingBox, %%Orientation, %%PageOrder, %%DocumentMedia */
/* %%Page is recognised as an error */
/* also %%DocumentNeededFonts, %%DocumentSuppliedFonts */
/* End of File */
CDSC_EOF = 900 /* %%EOF */
} CDSC_RETURN_CODE;
/* stored in dsc->preview */
typedef enum {
CDSC_NOPREVIEW = 0,
CDSC_EPSI = 1,
CDSC_TIFF = 2,
CDSC_WMF = 3,
CDSC_PICT = 4
} CDSC_PREVIEW_TYPE;
/* stored in dsc->page_order */
typedef enum {
CDSC_ORDER_UNKNOWN = 0,
CDSC_ASCEND = 1,
CDSC_DESCEND = 2,
CDSC_SPECIAL = 3
} CDSC_PAGE_ORDER;
/* stored in dsc->page_orientation and dsc->page[pagenum-1].orientation */
typedef enum {
CDSC_ORIENT_UNKNOWN = 0,
CDSC_PORTRAIT = 1,
CDSC_LANDSCAPE = 2,
CDSC_UPSIDEDOWN = 3,
CDSC_SEASCAPE = 4
} CDSC_ORIENTATION_ENUM;
/* stored in dsc->document_data */
typedef enum {
CDSC_DATA_UNKNOWN = 0,
CDSC_CLEAN7BIT = 1,
CDSC_CLEAN8BIT = 2,
CDSC_BINARY = 3
} CDSC_DOCUMENT_DATA ;
typedef struct CDSCBBOX_S {
int llx;
int lly;
int urx;
int ury;
} CDSCBBOX;
typedef struct CDSCFBBOX_S {
float fllx;
float flly;
float furx;
float fury;
} CDSCFBBOX;
typedef struct CDSCMEDIA_S {
const char *name;
float width; /* PostScript points */
float height;
float weight; /* GSM */
const char *colour;
const char *type;
CDSCBBOX *mediabox; /* Used by GSview for PDF MediaBox */
} CDSCMEDIA;
#define CDSC_KNOWN_MEDIA 46
extern const CDSCMEDIA dsc_known_media[CDSC_KNOWN_MEDIA];
typedef struct CDSCCTM_S { /* used for %%ViewingOrientation */
float xx;
float xy;
float yx;
float yy;
/* float ty; */
/* float ty; */
} CDSCCTM;
typedef struct CDSCPAGE_S {
int ordinal;
const char *label;
unsigned long begin;
unsigned long end;
unsigned int orientation;
const CDSCMEDIA *media;
CDSCBBOX *bbox; /* PageBoundingBox, also used by GSview for PDF CropBox */
CDSCCTM *viewing_orientation;
} CDSCPAGE;
/* binary DOS EPS header */
typedef struct CDSCDOSEPS_S {
GSDWORD ps_begin;
GSDWORD ps_length;
GSDWORD wmf_begin;
GSDWORD wmf_length;
GSDWORD tiff_begin;
GSDWORD tiff_length;
GSWORD checksum;
} CDSCDOSEPS;
/* rather than allocated every string with malloc, we allocate
* chunks of 4k and place the (usually) short strings in these
* chunks.
*/
typedef struct CDSCSTRING_S CDSCSTRING;
struct CDSCSTRING_S {
unsigned int index;
unsigned int length;
char *data;
CDSCSTRING *next;
};
/* DSC error reporting */
typedef enum {
CDSC_MESSAGE_BBOX = 0,
CDSC_MESSAGE_EARLY_TRAILER = 1,
CDSC_MESSAGE_EARLY_EOF = 2,
CDSC_MESSAGE_PAGE_IN_TRAILER = 3,
CDSC_MESSAGE_PAGE_ORDINAL = 4,
CDSC_MESSAGE_PAGES_WRONG = 5,
CDSC_MESSAGE_EPS_NO_BBOX = 6,
CDSC_MESSAGE_EPS_PAGES = 7,
CDSC_MESSAGE_NO_MEDIA = 8,
CDSC_MESSAGE_ATEND = 9,
CDSC_MESSAGE_DUP_COMMENT = 10,
CDSC_MESSAGE_DUP_TRAILER = 11,
CDSC_MESSAGE_BEGIN_END = 12,
CDSC_MESSAGE_BAD_SECTION = 13,
CDSC_MESSAGE_LONG_LINE = 14,
CDSC_MESSAGE_INCORRECT_USAGE = 15
} CDSC_MESSAGE_ERROR;
/* severity */
typedef enum {
CDSC_ERROR_INFORM = 0, /* Not an error */
CDSC_ERROR_WARN = 1, /* Not a DSC error itself, */
CDSC_ERROR_ERROR = 2 /* DSC error */
} CDSC_MESSAGE_SEVERITY;
/* response */
typedef enum {
CDSC_RESPONSE_OK = 0,
CDSC_RESPONSE_CANCEL = 1,
CDSC_RESPONSE_IGNORE_ALL = 2
} CDSC_RESPONSE;
extern const char * const dsc_message[];
typedef struct CDSC_S CDSC;
struct CDSC_S {
/* public data */
GSBOOL dsc; /* TRUE if DSC comments found */
GSBOOL ctrld; /* TRUE if has CTRLD at start of stream */
GSBOOL pjl; /* TRUE if has HP PJL at start of stream */
GSBOOL epsf; /* TRUE if EPSF */
GSBOOL pdf; /* TRUE if Portable Document Format */
unsigned int preview; /* enum CDSC_PREVIEW_TYPE */
char *dsc_version; /* first line of file */
unsigned int language_level;
unsigned int document_data; /* Clean7Bit, Clean8Bit, Binary */
/* enum CDSC_DOCUMENT_DATA */
/* DSC sections */
unsigned long begincomments;
unsigned long endcomments;
unsigned long beginpreview;
unsigned long endpreview;
unsigned long begindefaults;
unsigned long enddefaults;
unsigned long beginprolog;
unsigned long endprolog;
unsigned long beginsetup;
unsigned long endsetup;
unsigned long begintrailer;
unsigned long endtrailer;
CDSCPAGE *page;
unsigned int page_count; /* number of %%Page: pages in document */
unsigned int page_pages; /* number of pages in document from %%Pages: */
unsigned int page_order; /* enum CDSC_PAGE_ORDER */
unsigned int page_orientation; /* the default page orientation */
/* enum CDSC_ORIENTATION */
CDSCCTM *viewing_orientation;
unsigned int media_count; /* number of media items */
CDSCMEDIA **media; /* the array of media */
const CDSCMEDIA *page_media;/* the default page media */
CDSCBBOX *bbox; /* the document bounding box */
CDSCBBOX *page_bbox; /* the default page bounding box */
CDSCDOSEPS *doseps; /* DOS binary header */
char *dsc_title;
char *dsc_creator;
char *dsc_date;
char *dsc_for;
unsigned int max_error; /* highest error number that will be reported */
const int *severity; /* array of severity values, one per error */
/* private data */
void *caller_data; /* pointer to be provided when calling */
/* error and debug callbacks */
int id; /* last DSC comment found */
int scan_section; /* section currently being scanned */
/* enum CDSC_SECTION */
unsigned long doseps_end; /* ps_begin+ps_length, otherwise 0 */
unsigned int page_chunk_length; /* number of pages allocated */
unsigned long file_length; /* length of document */
/* If provided we try to recognise %%Trailer and %%EOF */
/* incorrectly embedded inside document. */
/* Can be left set to default value of 0 */
int skip_document; /* recursion level of %%BeginDocument: */
int skip_bytes; /* #bytes to ignore from BeginData: */
/* or DOSEPS preview section */
int skip_lines; /* #lines to ignore from BeginData: */
GSBOOL skip_pjl; /* TRUE if skip PJL until first PS comment */
int begin_font_count; /* recursion level of %%BeginFont */
int begin_feature_count; /* recursion level of %%BeginFeature */
int begin_resource_count; /* recursion level of %%BeginResource */
int begin_procset_count; /* recursion level of %%BeginProcSet */
/* buffer for input */
char data[CDSC_DATA_LENGTH];/* start of buffer */
unsigned int data_length; /* length of data in buffer */
unsigned int data_index; /* offset to next char in buffer */
unsigned long data_offset; /* offset from start of document */
/* to byte in data[0] */
GSBOOL eof; /* TRUE if there is no more data */
/* information about DSC line */
char *line; /* pointer to last read DSC line */
/* not null terminated */
unsigned int line_length; /* number of characters in line */
GSBOOL eol; /* TRUE if dsc_line contains EOL */
GSBOOL last_cr; /* TRUE if last line ended in \r */
/* check next time for \n */
unsigned int line_count; /* line number */
GSBOOL long_line; /* TRUE if found a line longer than 255 characters */
char last_line[256]; /* previous DSC line, used for %%+ */
/* more efficient string storage (for short strings) than malloc */
CDSCSTRING *string_head; /* linked list head */
CDSCSTRING *string; /* current list item */
/* memory allocation routines */
void *(*memalloc)(P2(size_t size, void *closure_data));
void (*memfree)(P2(void *ptr, void *closure_data));
void *mem_closure_data;
/* function for printing debug messages */
void (*debug_print_fn)(P2(void *caller_data, const char *str));
/* function for reporting errors in DSC comments */
int (*dsc_error_fn)(P5(void *caller_data, CDSC *dsc,
unsigned int explanation, const char *line, unsigned int line_len));
/* public data */
/* Added 2001-10-01 */
CDSCFBBOX *hires_bbox; /* the hires document bounding box */
CDSCFBBOX *crop_box; /* the size of the trimmed page */
};
/* Public functions */
/* Create and initialise DSC parser */
CDSC *dsc_init(P1(void *caller_data));
CDSC *dsc_init_with_alloc(P4(
void *caller_data,
void *(*memalloc)(size_t size, void *closure_data),
void (*memfree)(void *ptr, void *closure_data),
void *closure_data));
/* Free the DSC parser */
void dsc_free(P1(CDSC *dsc));
/* Tell DSC parser how long document will be, to allow ignoring
* of early %%Trailer and %%EOF. This is optional.
*/
void dsc_set_length(P2(CDSC *dsc, unsigned long len));
/* Process a buffer containing DSC comments and PostScript */
int dsc_scan_data(P3(CDSC *dsc, const char *data, int len));
/* All data has been processed, fixup any DSC errors */
int dsc_fixup(P1(CDSC *dsc));
/* Install error query function */
void dsc_set_error_function(P2(CDSC *dsc,
int (*dsc_error_fn)(P5(void *caller_data, CDSC *dsc,
unsigned int explanation, const char *line, unsigned int line_len))));
/* Install print function for debug messages */
void dsc_set_debug_function(P2(CDSC *dsc,
void (*debug_fn)(P2(void *caller_data, const char *str))));
/* Print a message to debug output, if provided */
void dsc_debug_print(P2(CDSC *dsc, const char *str));
/* should be internal only functions, but made available to
* GSview for handling PDF
*/
int dsc_add_page(P3(CDSC *dsc, int ordinal, char *label));
int dsc_add_media(P2(CDSC *dsc, CDSCMEDIA *media));
int dsc_set_page_bbox(P6(CDSC *dsc, unsigned int page_number,
int llx, int lly, int urx, int ury));
#endif
// vim:sw=4:sts=4:ts=8:noet

420
thumbnailers/ps/dscparse_adapter.cpp Normal file
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/**
* Copyright (C) 2001 the KGhostView authors. See file AUTHORS.
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "dscparse_adapter.h"
using namespace std;
/*-- KDSCBBOX implementation -----------------------------------------------*/
KDSCBBOX::KDSCBBOX() :
_llx( 0 ), _lly( 0 ),
_urx( 0 ), _ury( 0 )
{}
KDSCBBOX::KDSCBBOX( const KDSCBBOX& b ) :
_llx( b._llx ), _lly( b._lly ),
_urx( b._urx ), _ury( b._ury )
{}
KDSCBBOX::KDSCBBOX( int llx, int lly, int urx, int ury ) :
_llx( llx ), _lly( lly ),
_urx( urx ), _ury( ury )
{}
KDSCBBOX::KDSCBBOX( const CDSCBBOX& bbox ) :
_llx( bbox.llx ), _lly( bbox.lly ),
_urx( bbox.urx ), _ury( bbox.ury )
{}
KDSCBBOX& KDSCBBOX::operator = ( const KDSCBBOX& b )
{
_llx = b._llx; _lly = b._lly; _urx = b._urx; _ury = b._ury;
return *this;
}
bool KDSCBBOX::operator == ( const KDSCBBOX& b )
{
return ( _llx == b._llx && _lly == b._lly
&& _urx == b._urx && _ury == b._ury );
}
bool KDSCBBOX::operator != ( const KDSCBBOX& b )
{
return !( *this == b );
}
int KDSCBBOX::llx() const { return _llx; }
int KDSCBBOX::lly() const { return _lly; }
int KDSCBBOX::urx() const { return _urx; }
int KDSCBBOX::ury() const { return _ury; }
int KDSCBBOX::width() const { return _urx - _llx; }
int KDSCBBOX::height() const { return _ury - _lly; }
QSize KDSCBBOX::size() const { return QSize( width(), height() ); }
ostream& operator << ( ostream& os, const KDSCBBOX& source )
{
os << "{ llx: "<< source.llx() << ", lly: " << source.lly()
<< " urx: "<< source.urx() << ", ury: " << source.ury() << " }";
return os;
}
/*-- KDSCError implementation ----------------------------------------------*/
KDSCError::KDSCError( Type type, Severity severity, const QByteArray& line,
unsigned int lineNumber ) :
_type( type ),
_severity( severity ),
_line( line ),
_lineNumber( lineNumber )
{}
KDSCError::Type KDSCError::type() const
{
return _type;
}
KDSCError::Severity KDSCError::severity() const
{
return _severity;
}
QByteArray KDSCError::line() const
{
return _line;
}
unsigned int KDSCError::lineNumber() const
{
return _lineNumber;
}
/*-- KDSCOkErrorHandler implementation -------------------------------------*/
KDSCErrorHandler::Response KDSCOkErrorHandler::error( const KDSCError& err )
{
cout << "KDSC: error in line " << err.lineNumber() << endl;
//cout << err.line() << endl;
return Ok;
}
/*-- KDSC implementation ---------------------------------------------------*/
KDSC::KDSC() :
_errorHandler( 0 ),
_commentHandler( 0 )
{
_cdsc = dsc_init( this );
Q_ASSERT( _cdsc != 0 );
_scanHandler = new KDSCScanHandler( _cdsc );
}
KDSC::~KDSC()
{
dsc_free( _cdsc );
delete _scanHandler;
}
QString KDSC::dsc_version() const
{
return QString( _cdsc->dsc_version );
}
bool KDSC::dsc() const
{
return ( _cdsc->dsc == TRUE );
}
bool KDSC::ctrld() const
{
return ( _cdsc->ctrld == TRUE );
}
bool KDSC::pjl() const
{
return ( _cdsc->pjl == TRUE );
}
bool KDSC::epsf() const
{
return ( _cdsc->epsf == TRUE );
}
bool KDSC::pdf() const
{
return ( _cdsc->pdf == TRUE );
}
unsigned int KDSC::preview() const
{
return _cdsc->preview;
}
unsigned int KDSC::language_level() const
{
return _cdsc->language_level;
}
unsigned int KDSC::document_data() const
{
return _cdsc->document_data;
}
unsigned long KDSC::begincomments() const
{
return _cdsc->begincomments;
}
unsigned long KDSC::endcomments() const
{
return _cdsc->endcomments;
}
unsigned long KDSC::beginpreview() const
{
return _cdsc->beginpreview;
}
unsigned long KDSC::endpreview() const
{
return _cdsc->endpreview;
}
unsigned long KDSC::begindefaults() const
{
return _cdsc->begindefaults;
}
unsigned long KDSC::enddefaults() const
{
return _cdsc->enddefaults;
}
unsigned long KDSC::beginprolog() const
{
return _cdsc->beginprolog;
}
unsigned long KDSC::endprolog() const
{
return _cdsc->endprolog;
}
unsigned long KDSC::beginsetup() const
{
return _cdsc->beginsetup;
}
unsigned long KDSC::endsetup() const
{
return _cdsc->endsetup;
}
unsigned long KDSC::begintrailer() const
{
return _cdsc->begintrailer;
}
unsigned long KDSC::endtrailer() const
{
return _cdsc->endtrailer;
}
CDSCPAGE* KDSC::page() const
{
return _cdsc->page;
}
unsigned int KDSC::page_count() const
{
return _cdsc->page_count;
}
unsigned int KDSC::page_pages() const
{
return _cdsc->page_pages;
}
unsigned int KDSC::page_order() const
{
return _cdsc->page_order;
}
unsigned int KDSC::page_orientation() const
{
return _cdsc->page_orientation;
}
CDSCCTM* KDSC::viewing_orientation() const
{
return _cdsc->viewing_orientation;
}
unsigned int KDSC::media_count() const
{
return _cdsc->media_count;
}
CDSCMEDIA** KDSC::media() const
{
return _cdsc->media;
}
const CDSCMEDIA* KDSC::page_media() const
{
return _cdsc->page_media;
}
auto_ptr<KDSCBBOX> KDSC::bbox() const
{
if( _cdsc->bbox == 0 )
return auto_ptr<KDSCBBOX>( 0 );
else
return auto_ptr<KDSCBBOX>( new KDSCBBOX( *_cdsc->bbox ) );
}
auto_ptr<KDSCBBOX> KDSC::page_bbox() const
{
if( _cdsc->page_bbox == 0 )
return auto_ptr<KDSCBBOX>( 0 );
else
return auto_ptr<KDSCBBOX>( new KDSCBBOX( *_cdsc->page_bbox ) );
}
QString KDSC::dsc_title() const
{
return QString( _cdsc->dsc_title );
}
QString KDSC::dsc_creator() const
{
return QString( _cdsc->dsc_creator );
}
QString KDSC::dsc_date() const
{
return QString( _cdsc->dsc_date );
}
QString KDSC::dsc_for() const
{
return QString( _cdsc->dsc_for );
}
bool KDSC::scanData( char* buffer, unsigned int count )
{
return _scanHandler->scanData( buffer, count );
}
int KDSC::fixup()
{
return dsc_fixup( _cdsc );
}
KDSCErrorHandler* KDSC::errorHandler() const
{
return _errorHandler;
}
void KDSC::setErrorHandler( KDSCErrorHandler* errorHandler )
{
_errorHandler = errorHandler;
if( errorHandler == 0 )
dsc_set_error_function( _cdsc, 0 );
else
dsc_set_error_function( _cdsc, &errorFunction );
}
KDSCCommentHandler* KDSC::commentHandler() const
{
return _commentHandler;
}
void KDSC::setCommentHandler( KDSCCommentHandler* commentHandler )
{
if( _commentHandler != 0 && commentHandler == 0 )
{
delete _scanHandler;
_scanHandler = new KDSCScanHandler( _cdsc );
}
else if( _commentHandler == 0 && commentHandler != 0 )
{
delete _scanHandler;
_scanHandler = new KDSCScanHandlerByLine( _cdsc, commentHandler );
}
_commentHandler = commentHandler;
}
bool KDSC::isStructured() const
{
return epsf() ? ( page_count() > 1 ) : ( page_count() > 0 );
}
CDSC* KDSC::cdsc() const
{
return _cdsc;
}
int KDSC::errorFunction( void* caller_data, CDSC* dsc,
unsigned int explanation, const char* line, unsigned int line_len )
{
KDSCError error(
static_cast< KDSCError::Type >( explanation ),
static_cast< KDSCError::Severity >( dsc->severity[explanation] ),
QByteArray( line, line_len + 1 ),
dsc->line_count
);
KDSC* kdsc = static_cast< KDSC* >( caller_data );
Q_ASSERT( kdsc );
return kdsc->errorHandler()->error( error );
}
bool KDSCScanHandlerByLine::scanData( char* buf, unsigned int count )
{
char* lineStart = buf;
char* it = buf;
while( it < buf + count )
{
if( *it++ == '\n' )
{
int retval = dsc_scan_data( _cdsc, lineStart, it - lineStart );
if( retval < 0 )
return false;
else if( retval > 0 )
{
_commentHandler->comment(
static_cast<KDSCCommentHandler::Name>( retval ) );
}
lineStart = it;
}
}
if( it != lineStart )
{
// Scan the remaining part of the string.
return ( dsc_scan_data( _cdsc, lineStart, it - lineStart ) < 0 );
}
else
return true;
}
// vim:sw=4:sts=4:ts=8:noet

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/**
* Copyright (C) 2001 the KGhostView authors. See file AUTHORS.
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef DSCPARSE_ADAPTER_H
#define DSCPARSE_ADAPTER_H
#include <iostream>
#include <map>
#include <memory>
#include <qsize.h>
#include <qstring.h>
#include "dscparse.h"
#ifndef KDE_USE_FINAL
#undef min
#undef max
#endif
#if defined(__GNUC__)
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 93)
/*
* We add a quick 'n' dirty inline implementation of auto_ptr for older
* releases of GCC, which don't include an auto_ptr implementation in
* <memory>.
*/
template <class T> class auto_ptr {
private:
T* _ptr;
public:
typedef T element_type;
explicit auto_ptr(T* p = 0) : _ptr(p) {}
auto_ptr(auto_ptr& a) : _ptr(a.release()) {}
template <class T1> auto_ptr(auto_ptr<T1>& a) : _ptr(a.release()) {}
auto_ptr& operator=(auto_ptr& a) {
if (&a != this) {
delete _ptr;
_ptr = a.release();
}
return *this;
}
template <class T1>
auto_ptr& operator=(auto_ptr<T1>& a) {
if (a.get() != this->get()) {
delete _ptr;
_ptr = a.release();
}
return *this;
}
~auto_ptr() { delete _ptr; }
T& operator*() const { return *_ptr; }
T* operator->() const { return _ptr; }
T* get() const { return _ptr; }
T* release() { T* tmp = _ptr; _ptr = 0; return tmp; }
void reset(T* p = 0) { delete _ptr; _ptr = p; }
};
#endif
#endif
class KDSCBBOX
{
public:
KDSCBBOX();
KDSCBBOX( const KDSCBBOX& b );
KDSCBBOX( int llx, int lly, int urx, int ury );
KDSCBBOX( const CDSCBBOX& bbox );
KDSCBBOX& operator = ( const KDSCBBOX& b );
bool operator == ( const KDSCBBOX& b );
bool operator != ( const KDSCBBOX& b );
int llx() const;
int lly() const;
int urx() const;
int ury() const;
int width() const;
int height() const;
QSize size() const;
private:
int _llx, _lly, _urx, _ury;
};
std::ostream& operator << ( std::ostream&, const KDSCBBOX& );
class KDSCError
{
public:
enum Type
{
BBox = CDSC_MESSAGE_BBOX,
EarlyTrailer = CDSC_MESSAGE_EARLY_TRAILER,
EarlyEOF = CDSC_MESSAGE_EARLY_EOF,
PageInTrailer = CDSC_MESSAGE_PAGE_IN_TRAILER,
PageOrdinal = CDSC_MESSAGE_PAGE_ORDINAL,
PagesWrong = CDSC_MESSAGE_PAGES_WRONG,
EPSNoBBox = CDSC_MESSAGE_EPS_NO_BBOX,
EPSPages = CDSC_MESSAGE_EPS_PAGES,
NoMedia = CDSC_MESSAGE_NO_MEDIA,
AtEnd = CDSC_MESSAGE_ATEND,
DuplicateComment = CDSC_MESSAGE_DUP_COMMENT,
DuplicateTrailer = CDSC_MESSAGE_DUP_TRAILER,
BeginEnd = CDSC_MESSAGE_BEGIN_END,
BadSection = CDSC_MESSAGE_BAD_SECTION,
LongLine = CDSC_MESSAGE_LONG_LINE,
IncorrectUsage = CDSC_MESSAGE_INCORRECT_USAGE
};
enum Severity
{
Information = CDSC_ERROR_INFORM,
Warning = CDSC_ERROR_WARN,
Error = CDSC_ERROR_ERROR
};
KDSCError( Type, Severity, const QByteArray& line,
unsigned int lineNumber );
Type type() const;
Severity severity() const;
QByteArray line() const;
unsigned int lineNumber() const;
private:
Type _type;
Severity _severity;
QByteArray _line;
unsigned int _lineNumber;
};
class KDSCErrorHandler
{
public:
virtual ~KDSCErrorHandler() {}
enum Response
{
Ok = CDSC_RESPONSE_OK,
Cancel = CDSC_RESPONSE_CANCEL,
IgnoreAll = CDSC_RESPONSE_IGNORE_ALL
};
virtual Response error( const KDSCError& ) = 0;
};
class KDSCOkErrorHandler : public KDSCErrorHandler
{
Response error( const KDSCError& );
};
class KDSCCommentHandler
{
public:
virtual ~KDSCCommentHandler() {}
enum Name
{
// Header section
PSAdobe = CDSC_PSADOBE,
BeginComments = CDSC_BEGINCOMMENTS,
EndComments = CDSC_ENDCOMMENTS,
Pages = CDSC_PAGES,
Creator = CDSC_CREATOR,
CreationDate = CDSC_CREATIONDATE,
Title = CDSC_TITLE,
For = CDSC_FOR,
LanguageLevel = CDSC_LANGUAGELEVEL,
BoundingBox = CDSC_BOUNDINGBOX,
Orientation = CDSC_ORIENTATION,
PageOrder = CDSC_PAGEORDER,
DocumentMedia = CDSC_DOCUMENTMEDIA,
DocumentPaperSizes = CDSC_DOCUMENTPAPERSIZES,
DocumentPaperForms = CDSC_DOCUMENTPAPERFORMS,
DocumentPaperColors = CDSC_DOCUMENTPAPERCOLORS,
DocumentPaperWeights = CDSC_DOCUMENTPAPERWEIGHTS,
DocumentData = CDSC_DOCUMENTDATA,
Requirements = CDSC_REQUIREMENTS,
DocumentNeededFonts = CDSC_DOCUMENTNEEDEDFONTS,
DocumentSuppliedFonts = CDSC_DOCUMENTSUPPLIEDFONTS,
HiResBoundingBox = CDSC_HIRESBOUNDINGBOX,
CropBox = CDSC_CROPBOX,
// Preview section
BeginPreview = CDSC_BEGINPREVIEW,
EndPreview = CDSC_ENDPREVIEW,
// Defaults section
BeginDefaults = CDSC_BEGINDEFAULTS,
EndDefaults = CDSC_ENDDEFAULTS,
// also %%PageMedia, %%PageOrientation, %%PageBoundingBox
// Prolog section
BeginProlog = CDSC_BEGINPROLOG,
EndProlog = CDSC_ENDPROLOG,
BeginFont = CDSC_BEGINFONT,
EndFont = CDSC_ENDFONT,
BeginFeature = CDSC_BEGINFEATURE,
EndFeature = CDSC_ENDFEATURE,
BeginResource = CDSC_BEGINRESOURCE,
EndResource = CDSC_ENDRESOURCE,
BeginProcset = CDSC_BEGINPROCSET,
EndProcset = CDSC_ENDPROCSET,
// Setup section
BeginSetup = CDSC_BEGINSETUP,
EndSetup = CDSC_ENDSETUP,
Feature = CDSC_FEATURE,
PaperColor = CDSC_PAPERCOLOR,
PaperForm = CDSC_PAPERFORM,
PaperWeight = CDSC_PAPERWEIGHT,
PaperSize = CDSC_PAPERSIZE,
// also %%Begin/EndFeature, %%Begin/EndResource
// Page section
Page = CDSC_PAGE,
PageTrailer = CDSC_PAGETRAILER,
BeginPageSetup = CDSC_BEGINPAGESETUP,
EndPageSetup = CDSC_ENDPAGESETUP,
PageMedia = CDSC_PAGEMEDIA,
// also %%PaperColor, %%PaperForm, %%PaperWeight, %%PaperSize
PageOrientation = CDSC_PAGEORIENTATION,
PageBoundingBox = CDSC_PAGEBOUNDINGBOX,
// also %%Begin/EndFont, %%Begin/EndFeature
// also %%Begin/EndResource, %%Begin/EndProcSet
IncludeFont = CDSC_INCLUDEFONT,
ViewingOrientation = CDSC_VIEWINGORIENTATION,
// Trailer section
Trailer = CDSC_TRAILER,
// also %%Pages, %%BoundingBox, %%Orientation, %%PageOrder,
// %%DocumentMedia
// %%Page is recognised as an error
// also %%DocumentNeededFonts, %%DocumentSuppliedFonts
// End of File */
Eof = CDSC_EOF
};
virtual void comment( Name name ) { std::cout << name << std::endl; }
};
class KDSCScanHandler;
class KDSC
{
public:
KDSC();
~KDSC();
/*--- Adapter for CDSC ------------------------------------------------*/
QString dsc_version() const;
bool dsc() const;
bool ctrld() const;
bool pjl() const;
bool epsf() const;
bool pdf() const;
unsigned int preview() const;
unsigned int language_level() const;
unsigned int document_data() const;
unsigned long begincomments() const;
unsigned long endcomments() const;
unsigned long beginpreview() const;
unsigned long endpreview() const;
unsigned long begindefaults() const;
unsigned long enddefaults() const;
unsigned long beginprolog() const;
unsigned long endprolog() const;
unsigned long beginsetup() const;
unsigned long endsetup() const;
unsigned long begintrailer() const;
unsigned long endtrailer() const;
CDSCPAGE* page() const;
unsigned int page_count() const;
unsigned int page_pages() const;
unsigned int page_order() const;
unsigned int page_orientation() const;
CDSCCTM* viewing_orientation() const;
unsigned int media_count() const;
CDSCMEDIA** media() const;
const CDSCMEDIA* page_media() const;
#if defined(__GNUC__) && (__GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 93))
auto_ptr<KDSCBBOX> bbox() const;
auto_ptr<KDSCBBOX> page_bbox() const;
#else
std::auto_ptr<KDSCBBOX> bbox() const;
std::auto_ptr<KDSCBBOX> page_bbox() const;
#endif
// CDSCDOSEPS *doseps;
QString dsc_title() const;
QString dsc_creator() const;
QString dsc_date() const;
QString dsc_for() const;
// unsigned int max_error
bool scanData( char*, unsigned int );
/**
* Tidy up from incorrect DSC comments.
*/
int fixup();
KDSCErrorHandler* errorHandler() const;
void setErrorHandler( KDSCErrorHandler* );
KDSCCommentHandler* commentHandler() const;
void setCommentHandler( KDSCCommentHandler* );
/*--- Extra methods for convenience -----------------------------------*/
bool isStructured() const;
/*--- Temporary -------------------------------------------------------*/
CDSC* cdsc() const;
protected:
static int errorFunction( void* caller_data, CDSC* dsc,
unsigned int explanation,
const char* line, unsigned int line_len );
private:
CDSC* _cdsc;
KDSCErrorHandler* _errorHandler;
KDSCCommentHandler* _commentHandler;
KDSCScanHandler* _scanHandler;
};
class KDSCScanHandler
{
public:
virtual ~KDSCScanHandler() {}
KDSCScanHandler( CDSC* cdsc ) : _cdsc( cdsc ) {}
virtual bool scanData( char* buf, unsigned int count )
{
return ( dsc_scan_data( _cdsc, buf, count ) >= 0 );
}
protected:
CDSC* _cdsc;
};
class KDSCScanHandlerByLine : public KDSCScanHandler
{
public:
KDSCScanHandlerByLine( CDSC* cdsc, KDSCCommentHandler* commentHandler ) :
KDSCScanHandler( cdsc ),
_commentHandler( commentHandler )
{}
virtual bool scanData( char* buf, unsigned int count );
protected:
KDSCCommentHandler* _commentHandler;
};
#endif
// vim:sw=4:sts=4:ts=8:noet

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/* This file is part of the KDE libraries
Copyright (C) 2001 Malte Starostik <malte@kde.org>
Handling of EPS previews Copyright (C) 2003 Philipp Hullmann <phull@gmx.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/* This function gets a path of a DVI, EPS, PS or PDF file and
produces a PNG-Thumbnail which is stored as a QImage
The program works as follows
1. Test if file is a DVI file
2. Create a child process (1), in which the
file is to be changed into a PNG
3. Child-process (1) :
4. If file is DVI continue with 6
5. If file is no DVI continue with 9
6. Create another child process (2), in which the DVI is
turned into PS using dvips
7. Parent process (2) :
Turn the recently created PS file into a PNG file using gs
8. continue with 10
9. Turn the PS,PDF or EPS file into a PNG file using gs
10. Parent process (1)
store data in a QImage
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <assert.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#include <sys/time.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <errno.h>
#include <kdemacros.h>
#include <qcolor.h>
#include <qfile.h>
#include <qimage.h>
#include <qregexp.h>
#include <QVector>
#include "gscreator.h"
#include "dscparse_adapter.h"
#include "dscparse.h"
extern "C"
{
KDE_EXPORT ThumbCreator *new_creator()
{
return new GSCreator;
}
}
// This PS snippet will be prepended to the actual file so that only
// the first page is output.
static const char *psprolog =
"%!PS-Adobe-3.0\n"
"/.showpage.orig /showpage load def\n"
"/.showpage.firstonly {\n"
" .showpage.orig\n"
" quit\n"
"} def\n"
"/showpage { .showpage.firstonly } def\n";
// This is the code recommended by Adobe tech note 5002 for including
// EPS files.
static const char *epsprolog =
"%!PS-Adobe-3.0\n"
"userdict begin /pagelevel save def /showpage { } def\n"
"0 setgray 0 setlinecap 1 setlinewidth 0 setlinejoin 10 setmiterlimit\n"
"[ ] 0 setdash newpath false setoverprint false setstrokeadjust\n";
static const char * gsargs_ps[] = {
"gs",
"-sDEVICE=png16m",
"-sOutputFile=-",
"-dSAFER",
"-dPARANOIDSAFER",
"-dNOPAUSE",
"-dFirstPage=1",
"-dLastPage=1",
"-q",
"-",
0, // file name
"-c",
"showpage",
"-c",
"quit",
0
};
static const char * gsargs_eps[] = {
"gs",
"-sDEVICE=png16m",
"-sOutputFile=-",
"-dSAFER",
"-dPARANOIDSAFER",
"-dNOPAUSE",
0, // page size
0, // resolution
"-q",
"-",
0, // file name
"-c",
"pagelevel",
"-c",
"restore",
"-c",
"end",
"-c",
"showpage",
"-c",
"quit",
0
};
static const char *dvipsargs[] = {
"dvips",
"-n",
"1",
"-q",
"-o",
"-",
0, // file name
0
};
static bool correctDVI(const QString& filename);
namespace {
bool got_sig_term = false;
void handle_sigterm( int ) {
got_sig_term = true;
}
}
bool GSCreator::create(const QString &path, int width, int height, QImage &img)
{
// The code in the loop (when testing whether got_sig_term got set)
// should read some variation of:
// parentJob()->wasKilled()
//
// Unfortunatelly, that's currently impossible without breaking BIC.
// So we need to catch the signal ourselves.
// Otherwise, on certain funny PS files (for example
// http://www.tjhsst.edu/~Eedanaher/pslife/life.ps )
// gs would run forever after we were dead.
// #### Reconsider for KDE 4 ###
// (24/12/03 - luis_pedro)
//
typedef void ( *sighandler_t )( int );
// according to linux's "man signal" the above typedef is a gnu extension
sighandler_t oldhandler = signal( SIGTERM, handle_sigterm );
int input[2];
int output[2];
int dvipipe[2];
QByteArray data(1024, '\0');
bool ok = false;
// Test if file is DVI
bool no_dvi =!correctDVI(path);
if (pipe(input) == -1) {
return false;
}
if (pipe(output) == -1) {
close(input[0]);
close(input[1]);
return false;
}
KDSC dsc;
endComments = false;
dsc.setCommentHandler(this);
if (no_dvi)
{
FILE* fp = fopen(QFile::encodeName(path), "r");
if (fp == 0) return false;
char buf[4096];
int count;
while ((count = fread(buf, sizeof(char), 4096, fp)) != 0
&& !endComments) {
dsc.scanData(buf, count);
}
fclose(fp);
if (dsc.pjl() || dsc.ctrld()) {
// this file is a mess.
return false;
}
}
const bool is_encapsulated = no_dvi &&
(path.indexOf(QRegExp("\\.epsi?$", Qt::CaseInsensitive)) > 0) &&
(dsc.bbox()->width() > 0) && (dsc.bbox()->height() > 0) &&
(dsc.page_count() <= 1);
char translation[64] = "";
char pagesize[32] = "";
char resopt[32] = "";
std::auto_ptr<KDSCBBOX> bbox = dsc.bbox();
if (is_encapsulated) {
// GhostScript's rendering at the extremely low resolutions
// required for thumbnails leaves something to be desired. To
// get nicer images, we render to four times the required
// resolution and let QImage scale the result.
const int hres = (width * 72) / bbox->width();
const int vres = (height * 72) / bbox->height();
const int resolution = (hres > vres ? vres : hres) * 4;
const int gswidth = ((bbox->urx() - bbox->llx()) * resolution) / 72;
const int gsheight = ((bbox->ury() - bbox->lly()) * resolution) / 72;
snprintf(pagesize, 31, "-g%ix%i", gswidth, gsheight);
snprintf(resopt, 31, "-r%i", resolution);
snprintf(translation, 63,
" 0 %i sub 0 %i sub translate\n", bbox->llx(),
bbox->lly());
}
const CDSC_PREVIEW_TYPE previewType =
static_cast<CDSC_PREVIEW_TYPE>(dsc.preview());
switch (previewType) {
case CDSC_TIFF:
case CDSC_WMF:
case CDSC_PICT:
// FIXME: these should take precedence, since they can hold
// color previews, which EPSI can't (or can it?).
break;
case CDSC_EPSI:
{
const int xscale = bbox->width() / width;
const int yscale = bbox->height() / height;
const int scale = xscale < yscale ? xscale : yscale;
if (getEPSIPreview(path,
dsc.beginpreview(),
dsc.endpreview(),
img,
bbox->width() / scale,
bbox->height() / scale))
return true;
// If the preview extraction routine fails, gs is used to
// create a thumbnail.
}
break;
case CDSC_NOPREVIEW:
default:
// need to run ghostscript in these cases
break;
}
pid_t pid = fork();
if (pid == 0) {
// Child process (1)
// close(STDERR_FILENO);
// find first zero entry in gsargs and put the filename
// or - (stdin) there, if DVI
const char **gsargs = gsargs_ps;
const char **arg = gsargs;
if (no_dvi && is_encapsulated) {
gsargs = gsargs_eps;
arg = gsargs;
// find first zero entry and put page size there
while (*arg) ++arg;
*arg = pagesize;
// find second zero entry and put resolution there
while (*arg) ++arg;
*arg = resopt;
}
// find next zero entry and put the filename there
QByteArray fname = QFile::encodeName( path );
while (*arg)
++arg;
if( no_dvi )
*arg = fname.data();
else
*arg = "-";
// find first zero entry in dvipsargs and put the filename there
arg = dvipsargs;
while (*arg)
++arg;
*arg = fname.data();
if( !no_dvi ){
pipe(dvipipe);
pid_t pid_two = fork();
if( pid_two == 0 ){
// Child process (2), reopen stdout on the pipe "dvipipe" and exec dvips
close(input[0]);
close(input[1]);
close(output[0]);
close(output[1]);
close(dvipipe[0]);
dup2( dvipipe[1], STDOUT_FILENO);
execvp(dvipsargs[0], const_cast<char *const *>(dvipsargs));
exit(1);
}
else if(pid_two != -1){
close(input[1]);
close(output[0]);
close(dvipipe[1]);
dup2( dvipipe[0], STDIN_FILENO);
dup2( output[1], STDOUT_FILENO);
execvp(gsargs[0], const_cast<char *const *>(gsargs));
exit(1);
}
else{
// fork() (2) failed, close these
close(dvipipe[0]);
close(dvipipe[1]);
}
}
else if( no_dvi ){
// Reopen stdin/stdout on the pipes and exec gs
close(input[1]);
close(output[0]);
dup2(input[0], STDIN_FILENO);
dup2(output[1], STDOUT_FILENO);
execvp(gsargs[0], const_cast<char *const *>(gsargs));
exit(1);
}
}
else if (pid != -1) {
// Parent process, write first-page-only-hack (the hack is not
// used if DVI) and read the png output
close(input[0]);
close(output[1]);
const char *prolog;
if (is_encapsulated)
prolog = epsprolog;
else
prolog = psprolog;
int count = write(input[1], prolog, strlen(prolog));
if (is_encapsulated)
write(input[1], translation, strlen(translation));
close(input[1]);
if (count == static_cast<int>(strlen(prolog))) {
int offset = 0;
while (!ok) {
fd_set fds;
FD_ZERO(&fds);
FD_SET(output[0], &fds);
struct timeval tv;
tv.tv_sec = 20;
tv.tv_usec = 0;
got_sig_term = false;
if (select(output[0] + 1, &fds, 0, 0, &tv) <= 0) {
if ( ( errno == EINTR || errno == EAGAIN ) && !got_sig_term ) continue;
break; // error, timeout or master wants us to quit (SIGTERM)
}
if (FD_ISSET(output[0], &fds)) {
count = read(output[0], data.data() + offset, 1024);
if (count == -1)
break;
else
if (count) // prepare for next block
{
offset += count;
data.resize(offset + 1024);
}
else // got all data
{
data.resize(offset);
ok = true;
}
}
}
}
if (!ok) // error or timeout, gs probably didn't exit yet
{
kill(pid, SIGTERM);
}
int status = 0;
int ret;
do {
ret = waitpid(pid, &status, 0);
} while (ret == -1 && errno == EINTR);
if (ret != pid || (status != 0 && status != 256) )
ok = false;
}
else {
// fork() (1) failed, close these
close(input[0]);
close(input[1]);
close(output[1]);
}
close(output[0]);
int l = img.loadFromData( data );
if ( got_sig_term &&
oldhandler != SIG_ERR &&
oldhandler != SIG_DFL &&
oldhandler != SIG_IGN ) {
oldhandler( SIGTERM ); // propagate the signal. Other things might rely on it
}
if ( oldhandler != SIG_ERR ) signal( SIGTERM, oldhandler );
return ok && l;
}
ThumbCreator::Flags GSCreator::flags() const
{
return static_cast<Flags>(DrawFrame);
}
void GSCreator::comment(Name name)
{
switch (name) {
case EndPreview:
case BeginProlog:
case Page:
endComments = true;
break;
default:
break;
}
}
// Quick function to check if the filename corresponds to a valid DVI
// file. Returns true if <filename> is a DVI file, false otherwise.
static bool correctDVI(const QString& filename)
{
QFile f(filename);
if (!f.open(QIODevice::ReadOnly))
return false;
unsigned char test[4];
if ( f.read( (char *)test,2)<2 || test[0] != 247 || test[1] != 2 )
return false;
int n = f.size();
if ( n < 134 ) // Too short for a dvi file
return false;
f.seek( n-4 );
unsigned char trailer[4] = { 0xdf,0xdf,0xdf,0xdf };
if ( f.read( (char *)test, 4 )<4 || strncmp( (char *)test, (char*) trailer, 4 ) )
return false;
// We suppose now that the dvi file is complete and OK
return true;
}
bool GSCreator::getEPSIPreview(const QString &path, long start, long
end, QImage &outimg, int imgwidth, int imgheight)
{
FILE *fp;
fp = fopen(QFile::encodeName(path), "r");
if (fp == 0) return false;
const long previewsize = end - start + 1;
char *buf = (char *) malloc(previewsize);
fseek(fp, start, SEEK_SET);
int count = fread(buf, sizeof(char), previewsize - 1, fp);
fclose(fp);
buf[previewsize - 1] = 0;
if (count != previewsize - 1)
{
free(buf);
return false;
}
QString previewstr = QString::fromLatin1(buf);
free(buf);
int offset = 0;
while ((offset < previewsize) && !(previewstr[offset].isDigit())) offset++;
int digits = 0;
while ((offset + digits < previewsize) && previewstr[offset + digits].isDigit()) digits++;
int width = previewstr.mid(offset, digits).toInt();
offset += digits + 1;
while ((offset < previewsize) && !(previewstr[offset].isDigit())) offset++;
digits = 0;
while ((offset + digits < previewsize) && previewstr[offset + digits].isDigit()) digits++;
int height = previewstr.mid(offset, digits).toInt();
offset += digits + 1;
while ((offset < previewsize) && !(previewstr[offset].isDigit())) offset++;
digits = 0;
while ((offset + digits < previewsize) && previewstr[offset + digits].isDigit()) digits++;
int depth = previewstr.mid(offset, digits).toInt();
// skip over the rest of the BeginPreview comment
while ((offset < previewsize) &&
previewstr[offset] != '\n' &&
previewstr[offset] != '\r') offset++;
while ((offset < previewsize) && previewstr[offset] != '%') offset++;
unsigned int imagedepth;
switch (depth) {
case 1:
case 2:
case 4:
case 8:
imagedepth = 8;
break;
case 12: // valid, but not (yet) supported
default: // illegal value
return false;
}
unsigned int colors = (1U << depth);
QImage img(width, height, QImage::Format_Indexed8);
img.setColorCount(colors);
if (imagedepth <= 8) {
for (unsigned int gray = 0; gray < colors; gray++) {
unsigned int grayvalue = (255U * (colors - 1 - gray)) /
(colors - 1);
img.setColor(gray, qRgb(grayvalue, grayvalue, grayvalue));
}
}
const unsigned int bits_per_scan_line = width * depth;
unsigned int bytes_per_scan_line = bits_per_scan_line / 8;
if (bits_per_scan_line % 8) bytes_per_scan_line++;
const unsigned int bindatabytes = height * bytes_per_scan_line;
QVector<unsigned char> bindata(bindatabytes);
for (unsigned int i = 0; i < bindatabytes; i++) {
if (offset >= previewsize)
return false;
while (!isxdigit(previewstr[offset].toLatin1()) &&
offset < previewsize)
offset++;
bool ok = false;
bindata[i] = static_cast<unsigned char>(previewstr.mid(offset, 2).toUInt(&ok, 16));
if (!ok)
return false;
offset += 2;
}
for (int scanline = 0; scanline < height; scanline++) {
unsigned char *scanlineptr = img.scanLine(scanline);
for (int pixelindex = 0; pixelindex < width; pixelindex++) {
unsigned char pixelvalue = 0;
const unsigned int bitoffset =
scanline * bytes_per_scan_line * 8U + pixelindex * depth;
for (int depthindex = 0; depthindex < depth;
depthindex++) {
const unsigned int byteindex = (bitoffset + depthindex) / 8U;
const unsigned int bitindex =
7 - ((bitoffset + depthindex) % 8U);
const unsigned char bitvalue =
(bindata[byteindex] & static_cast<unsigned char>(1U << bitindex)) >> bitindex;
pixelvalue |= (bitvalue << depthindex);
}
scanlineptr[pixelindex] = pixelvalue;
}
}
outimg = img.convertToFormat(QImage::Format_RGB32).scaled(imgwidth, imgheight, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
return true;
}

42
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/* This file is part of the KDE libraries
Copyright (C) 2000 Malte Starostik <malte@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _GSCREATOR_H_
#define _GSCREATOR_H_
#include <kio/thumbcreator.h>
#include "dscparse_adapter.h"
class GSCreator : public ThumbCreator, public KDSCCommentHandler
{
public:
GSCreator() {}
virtual bool create(const QString &path, int, int, QImage &img);
virtual Flags flags() const;
void comment(Name name);
private:
static bool getEPSIPreview(const QString &path,
long start, long end,
QImage &outimg,
int imgwidth, int imgheight);
bool endComments;
};
#endif

79
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[Desktop Entry]
Type=Service
Name=PostScript, PDF and DVI Files
Name[ar]=ملفات PostScript, PDF و DVI
Name[ast]=Ficheros PostScript, PDF y DVI
Name[bg]=Файлове PostScript, PDF и DVI
Name[br]=Restroù PostScript, PDF ha DVI
Name[bs]=Postskript, PDF i DVI datoteke
Name[ca]=Fitxers PostScript, PDF i DVI
Name[ca@valencia]=Fitxers PostScript, PDF i DVI
Name[cs]=Postscriptové, PDF a DVI soubory
Name[cy]=Ffeiliau PostScript, PDF a DVI
Name[da]=PostScript, PDF- og DVI-filer
Name[de]=PostScript-, PDF- und DVI-Dateien
Name[el]=Αρχεία PostScript, PDF και DVI
Name[en_GB]=PostScript, PDF and DVI Files
Name[eo]=Postskriptaj, PDF kaj DVI dosieroj
Name[es]=Archivos PostScript, PDF y DVI
Name[et]=PostScript-, PDF- ja DVI-failid
Name[eu]=PostScript, PDF eta DVI fitxategiak
Name[fa]=پرونده‌های PostScript، PDF و DVI
Name[fi]=PostScript-, PDF- ja DVI-tiedostot
Name[fr]=Fichiers « PostScript », « PDF » et « DVI »
Name[ga]=Comhaid PostScript, PDF agus DVI
Name[gl]=Ficheiros PostScript, PDF e DVI
Name[he]=קבצי PostScript, PDF ו־DVI
Name[hi]=पोस्ट-स्क्रिप्ट, पीडीएफ तथा डीवीआई फ़ाइलें
Name[hne]=पोस्ट-स्क्रिप्ट, पीडीएफ अउ डीवीआई फाइल मन ल
Name[hr]=Datoteke oblika PostScript, PDF i DVI
Name[hu]=PostScript-, PDF- és DVI-fájlok
Name[ia]=Files PostScript, PDF e DVI
Name[is]=PostScript, PDF og DVI skrár
Name[it]=File PostScript, PDF e DVI
Name[ja]=PostScript, PDF, DVI ファイル
Name[kk]=PostScript, PDF және DVI файлдары
Name[km]=ឯកសារ PostScript, PDF និង DVI
Name[ko]=포스트크스립트, PDF, DVI 파일
Name[ku]=Pelên PostScript, PDF û DVI
Name[lt]=Postscript, PDF ir DVI failai
Name[lv]=Postscript, PDF un DVI faili
Name[mr]=पोस्टस्क्रिप्ट, PDF व DVI फाईल्स
Name[ms]=PostScript, PDF dan Fail DVI
Name[nb]=PostScript, PDF og DVI filer
Name[nds]=PostScript-, PDF- un DVI-Dateien
Name[ne]=पोष्टस्क्रिप्ट, पीडीएफ र डीभीआई फाइल
Name[nl]=PostScript-, DVI- en PDF-bestanden
Name[nn]=PostScript-, PDF- og DVI-filer
Name[pa]=ਪੋਸਟ-ਸਕ੍ਰਿਪਟ, PDF ਅਤੇ DVI ਫਾਇਲਾਂ
Name[pl]=Pliki PostScript, PDF i DVI
Name[pt]=Ficheiros PostScript, PDF e DVI
Name[pt_BR]=Arquivos PostScript, PDF e DVI
Name[ro]=Fișiere PostScript, PDF și DVI
Name[ru]=Файлы PostScript, PDF и DVI
Name[se]=PostScript-, PDF- ja DVI-fiillat
Name[si]=PostScript, PDF සහ DVI ගොනු
Name[sk]=PostScript, PDF a DVI súbory
Name[sl]=Datoteke PostScript, PDF in DVI
Name[sr]=Постскрипт, ПДФ и ДВИ фајлови
Name[sr@ijekavian]=Постскрипт, ПДФ и ДВИ фајлови
Name[sr@ijekavianlatin]=PostScript, PDF i DVI fajlovi
Name[sr@latin]=PostScript, PDF i DVI fajlovi
Name[sv]=Postscript-, PDF- och DVI-filer
Name[ta]= போஸ்ட்கிரிப்ட், பிடிஃப் மற்றும் டிவிஐ கோப்புகள்
Name[tg]=Файлҳои PostScript, PDF ва DVI
Name[th]=แฟ้ม PDF, DVI และ โพสต์สคริปต์
Name[tr]=PostScript, PDF ve DVI Dosyaları
Name[ug]=PostScript، PDF ۋە DVI ھۆججەتلىرى
Name[uk]=Файли PostScript, PDF та DVI
Name[uz]=PostScript, PDF va DVI fayllari
Name[uz@cyrillic]=PostScript, PDF ва DVI файллари
Name[vi]=Các tập tin PostScript, PDF và DVI
Name[x-test]=xxPostScript, PDF and DVI Filesxx
Name[zh_CN]=PostScript、PDF 和 DVI 文件
Name[zh_HK]=PostScript 、PDF 及 DVI 檔案
Name[zh_TW]=PostScript，PDF 與 DVI 檔
X-KDE-ServiceTypes=ThumbCreator
MimeType=application/x-dvi;application/postscript;application/pdf;image/x-eps;
X-KDE-Library=gsthumbnail
CacheThumbnail=true

19
thumbnailers/raw/CMakeLists.txt Normal file
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project(rawthumbnail)
## includes and linking
include_directories(${KEXIV2_INCLUDE_DIR} ${KDCRAW_INCLUDE_DIR})
#sources
set(rawthumbnail_SRCS rawcreator.cpp)
kde4_add_plugin(rawthumbnail ${rawthumbnail_SRCS})
## includes and linking
target_link_libraries(rawthumbnail ${KDE4_KIO_LIBS} ${KDCRAW_LIBRARIES} ${KEXIV2_LIBRARIES} ${QT_QTGUI_LIBRARY} ${KDE4_KDECORE_LIBS})
## install the plugin
install(TARGETS rawthumbnail DESTINATION ${PLUGIN_INSTALL_DIR})
install(FILES rawthumbnail.desktop DESTINATION ${SERVICES_INSTALL_DIR})

109
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/**
Copyright (C) 2008 Unai Garro <ugarro@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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
USA
**/
#include "rawcreator.h"
#include <QImage>
#include <libkdcraw/kdcraw.h>
#include <libkexiv2/kexiv2.h>
extern "C"
{
KDE_EXPORT ThumbCreator *new_creator()
{
return new RAWCreator;
}
}
RAWCreator::RAWCreator()
{
}
RAWCreator::~RAWCreator()
{
}
bool RAWCreator::create(const QString &path, int width, int height, QImage &img)
{
//load the image into the QByteArray
QByteArray data;
bool loaded=KDcrawIface::KDcraw::loadEmbeddedPreview(data,path);
if (loaded)
{
//Load the image into a QImage
QImage preview;
if (!preview.loadFromData(data) || preview.isNull())
return false;
//And its EXIF info
KExiv2Iface::KExiv2 exiv;
if (exiv.loadFromData(data))
{
//We managed reading the EXIF info, rotate the image
//according to the EXIF orientation flag
KExiv2Iface::KExiv2::ImageOrientation orient=exiv.getImageOrientation();
//Rotate according to the EXIF orientation flag
switch(orient)
{
case KExiv2Iface::KExiv2::ORIENTATION_UNSPECIFIED:
case KExiv2Iface::KExiv2::ORIENTATION_NORMAL:
break; //we do nothing
case KExiv2Iface::KExiv2::ORIENTATION_HFLIP:
preview = preview.mirrored(true,false);
break;
case KExiv2Iface::KExiv2::ORIENTATION_ROT_180:
preview = preview.transformed(QMatrix().rotate(180));
break;
case KExiv2Iface::KExiv2::ORIENTATION_VFLIP:
preview = preview.mirrored(false,true);
break;
case KExiv2Iface::KExiv2::ORIENTATION_ROT_90_HFLIP:
preview = preview.mirrored(true,false);
preview = preview.transformed(QMatrix().rotate(90));
break;
case KExiv2Iface::KExiv2::ORIENTATION_ROT_90:
preview = preview.transformed(QMatrix().rotate(90));
break;
case KExiv2Iface::KExiv2::ORIENTATION_ROT_90_VFLIP:
preview = preview.mirrored(false,true);
preview = preview.transformed(QMatrix().rotate(90));
break;
case KExiv2Iface::KExiv2::ORIENTATION_ROT_270:
preview = preview.transformed(QMatrix().rotate(270));
break;
default:
break;
}
}
//Scale the image as requested by the thumbnailer
img=preview.scaled(width,height,Qt::KeepAspectRatio);
}
return loaded;
}
ThumbCreator::Flags RAWCreator::flags() const
{
return (Flags)(0);
}

34
thumbnailers/raw/rawcreator.h Normal file
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/**
Copyright (C) 2008 Unai Garro <ugarro@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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
USA
**/
#ifndef RAWCREATOR_H
#define RAWCREATOR_H
#include <kio/thumbcreator.h>
class RAWCreator : public ThumbCreator
{
public:
RAWCreator();
virtual ~RAWCreator();
virtual bool create(const QString &path, int width, int height, QImage &img);
virtual Flags flags() const;
};
#endif

60
thumbnailers/raw/rawthumbnail.desktop Normal file
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[Desktop Entry]
Type=Service
Name=RAW Photo Camera Files
Name[ar]=ملفات الخامة RAW لآلة التصوير
Name[bg]=Снимки RAW от фотоапарат
Name[bs]=Sirove datoteke s kamere
Name[ca]=Fitxers RAW de càmera de fotos
Name[ca@valencia]=Fitxers RAW de càmera de fotos
Name[cs]=RAW soubory z fotoaparátu
Name[da]=Kamera-filer i RAW-foto
Name[de]=RAW-Fotokamera-Dateien
Name[el]=RAW αρχεία φωτογραφιών
Name[en_GB]=RAW Photo Camera Files
Name[es]=Archivos RAW de cámara fotográfica
Name[et]=Kaamera toorfailid
Name[eu]=RAW argazki kamera-fitxategiak
Name[fi]=RAW-kuvakameratiedostot
Name[fr]=Fichiers « RAW » d'appareil photo numérique
Name[ga]=Comhaid Cheamara RAW
Name[gl]=Ficheiros RAW de cámara de fotos
Name[hr]=Fotografske datoteke RAW
Name[hu]=RAW-fájlok
Name[ia]=Files de photo camera RAW
Name[is]=RAW myndavélaskrár
Name[it]=File grezzi fotocamera
Name[ja]=カメラの RAW ファイル
Name[kk]=Камераның RAW ('шикі') файлдары
Name[km]=ឯកសារ​រូបថត​របស់​ម៉ាស៊ីន​ថត​ដើម
Name[ko]=RAW 사진 카메라 파일
Name[lt]=Fotoaparato RAW failai
Name[lv]=RAW fotogrāfiju faili
Name[mr]=RAW फोटो कॅमेरा फाईल्स
Name[nb]=RAW foto kamerafiler
Name[nds]=RAW-Fotokamera-Dateien
Name[nl]=Bestanden met RAW-camera-afbeelding
Name[pa]=RAW ਫੋਟੋ ਕੈਮਰਾ ਫਾਇਲਾਂ
Name[pl]=Pliki RAW z aparatów cyfrowych
Name[pt]=Ficheiros de Máquinas Fotográficas RAW
Name[pt_BR]=Arquivos RAW de câmeras fotográficas
Name[ro]=Fișiere fotografice brute
Name[ru]=Цифровые негативы (RAW)
Name[si]=RAW පිංතූර කැමරා ගොනු
Name[sk]=RAW súbory z digitálneho fotoaparátu
Name[sl]=Surove datoteke s fotoaparata
Name[sr]=Сирови фајлови с фотоапарата
Name[sr@ijekavian]=Сирови фајлови с фотоапарата
Name[sr@ijekavianlatin]=Sirovi fajlovi s fotoaparata
Name[sr@latin]=Sirovi fajlovi s fotoaparata
Name[sv]=Obehandlade kamerafiler
Name[tr]=RAW Fotoğraf Makinesi Dosyaları
Name[ug]=RAW سۈرەت كامېرا ھۆججىتى
Name[uk]=Файли цифрових негативів
Name[x-test]=xxRAW Photo Camera Filesxx
Name[zh_CN]=RAW 照片相机文件
Name[zh_TW]=原始相機檔
X-KDE-ServiceTypes=ThumbCreator
# image/x-dcraw is the subclass for all "raw" image formats, so no need to list them all
MimeType=image/x-dcraw;
X-KDE-Library=rawthumbnail
CacheThumbnail=true