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08eb6de1a274fce5d04c5fadcb4d87320414873c
libreoffice/cui/source/dialogs/QrCodeGenDialog.cxx
Caolán McNamara 08eb6de1a2 external qrcodegen looks under qrcodegen 
Change-Id: I01f06c30a52f5e4cdb5b4b6304072aa0f3a63aa8
Reviewed-on: https://gerrit.libreoffice.org/76291
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
2019-07-25 14:53:18 +02:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <QrCodeGenDialog.hxx>
#include <comphelper/processfactory.hxx>
#include <comphelper/xmltools.hxx>
#include <tools/stream.hxx>
#include <unotools/streamwrap.hxx>
#include <utility>
#include <vcl/weld.hxx>
#if defined(SYSTEM_QRCODEGEN)
#include <qrcodegen/QrCode.hpp>
#else
#include <QrCode.hpp>
#endif
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/drawing/XDrawPageSupplier.hpp>
#include <com/sun/star/drawing/XShape.hpp>
#include <com/sun/star/graphic/GraphicProvider.hpp>
#include <com/sun/star/graphic/XGraphic.hpp>
#include <com/sun/star/drawing/QRCode.hpp>
#include <com/sun/star/drawing/QRCodeErrorCorrection.hpp>
#include <com/sun/star/graphic/XGraphicProvider.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/sheet/XSpreadsheet.hpp>
#include <com/sun/star/sheet/XSpreadsheetDocument.hpp>
#include <com/sun/star/sheet/XSpreadsheetView.hpp>
#include <com/sun/star/text/TextContentAnchorType.hpp>
#include <com/sun/star/text/XTextContent.hpp>
#include <com/sun/star/text/XTextDocument.hpp>
#include <com/sun/star/text/XTextViewCursor.hpp>
#include <com/sun/star/text/XTextViewCursorSupplier.hpp>
using namespace css;
using namespace css::uno;
using namespace css::beans;
using namespace css::container;
using namespace css::frame;
using namespace css::io;
using namespace css::lang;
using namespace css::frame;
using namespace css::sheet;
using namespace css::text;
using namespace css::drawing;
using namespace css::graphic;
using namespace qrcodegen;
QrCodeGenDialog::QrCodeGenDialog(weld::Widget* pParent, Reference<XModel> xModel,
bool bEditExisting)
: GenericDialogController(pParent, "cui/ui/qrcodegen.ui", "QrCodeGenDialog")
, m_xModel(std::move(xModel))
, m_xEdittext(m_xBuilder->weld_entry("edit_text"))
, m_xRadioLow(m_xBuilder->weld_radio_button("button_low"))
, m_xRadioMedium(m_xBuilder->weld_radio_button("button_medium"))
, m_xRadioQuartile(m_xBuilder->weld_radio_button("button_quartile"))
, m_xRadioHigh(m_xBuilder->weld_radio_button("button_high"))
, m_xSpinBorder(m_xBuilder->weld_spin_button("edit_border"))
{
maBox.AddButton(m_xRadioLow.get());
maBox.AddButton(m_xRadioMedium.get());
maBox.AddButton(m_xRadioQuartile.get());
maBox.AddButton(m_xRadioHigh.get());
// Set ECC to Low by Default.
if (!bEditExisting)
{
// ECC::Low 0
m_aECCSelect = css::drawing::QRCodeErrorCorrection::LOW;
m_xRadioLow->set_active(true);
return;
}
Reference<container::XIndexAccess> xIndexAccess(m_xModel->getCurrentSelection(),
UNO_QUERY_THROW);
Reference<XPropertySet> xProps(xIndexAccess->getByIndex(0), UNO_QUERY_THROW);
// Read properties from selected qr code
css::drawing::QRCode aQrCode;
xProps->getPropertyValue("QRCodeProperties") >>= aQrCode;
m_xEdittext->set_text(aQrCode.Payload);
GetErrorCorrection(aQrCode.ErrorCorrection);
Link<weld::ToggleButton&, void> aLink = LINK(this, QrCodeGenDialog, SelectRadio_Impl);
m_xRadioLow->connect_toggled(aLink);
m_xRadioMedium->connect_toggled(aLink);
m_xRadioQuartile->connect_toggled(aLink);
m_xRadioHigh->connect_toggled(aLink);
m_xSpinBorder->set_value(aQrCode.Border);
// Mark this as existing shape
m_xExistingShapeProperties = xProps;
}
short QrCodeGenDialog::run()
{
short nRet = GenericDialogController::run();
if (nRet == RET_OK)
Apply();
return nRet;
}
void QrCodeGenDialog::Apply()
{
css::drawing::QRCode aQrCode;
aQrCode.Payload = m_xEdittext->get_text();
aQrCode.ErrorCorrection = m_aECCSelect;
aQrCode.Border = m_xSpinBorder->get_value();
// Read svg and replace placeholder texts
OUString aSvgImage = GenerateQrCode(aQrCode.Payload, aQrCode.ErrorCorrection, aQrCode.Border);
// Insert/Update graphic
SvMemoryStream aSvgStream(4096, 4096);
aSvgStream.WriteOString(OUStringToOString(aSvgImage, RTL_TEXTENCODING_UTF8));
Reference<XInputStream> xInputStream(new utl::OSeekableInputStreamWrapper(aSvgStream));
Reference<XComponentContext> xContext(comphelper::getProcessComponentContext());
Reference<XGraphicProvider> xProvider = css::graphic::GraphicProvider::create(xContext);
Sequence<PropertyValue> aMediaProperties(1);
aMediaProperties[0].Name = "InputStream";
aMediaProperties[0].Value <<= xInputStream;
Reference<XGraphic> xGraphic(xProvider->queryGraphic(aMediaProperties));
bool bIsExistingQrCode = m_xExistingShapeProperties.is();
Reference<XPropertySet> xShapeProps;
if (bIsExistingQrCode)
xShapeProps = m_xExistingShapeProperties;
else
xShapeProps.set(Reference<lang::XMultiServiceFactory>(m_xModel, UNO_QUERY_THROW)
->createInstance("com.sun.star.drawing.GraphicObjectShape"),
UNO_QUERY);
xShapeProps->setPropertyValue("Graphic", Any(xGraphic));
// Set qrcode properties
xShapeProps->setPropertyValue("QRCodeProperties", Any(aQrCode));
if (!bIsExistingQrCode)
{
// Default size
Reference<XShape> xShape(xShapeProps, UNO_QUERY);
awt::Size aShapeSize;
aShapeSize.Height = 3000;
aShapeSize.Width = 6000;
xShape->setSize(aShapeSize);
// Default anchoring
xShapeProps->setPropertyValue("AnchorType", Any(TextContentAnchorType_AT_PARAGRAPH));
const Reference<XServiceInfo> xServiceInfo(m_xModel, UNO_QUERY);
// Writer
const Reference<XTextDocument> xTextDocument(m_xModel, UNO_QUERY);
if (xTextDocument.is())
{
Reference<XTextContent> xTextContent(xShape, UNO_QUERY_THROW);
Reference<XTextViewCursorSupplier> xViewCursorSupplier(m_xModel->getCurrentController(),
UNO_QUERY_THROW);
Reference<XTextViewCursor> xCursor = xViewCursorSupplier->getViewCursor();
// use cursor's XText - it might be in table cell, frame, ...
Reference<XText> const xText(xCursor->getText());
assert(xText.is());
xText->insertTextContent(xCursor, xTextContent, true);
return;
}
// Calc
const Reference<XSpreadsheetDocument> xSpreadsheetDocument(m_xModel, UNO_QUERY);
if (xSpreadsheetDocument.is())
{
Reference<XPropertySet> xSheetCell(m_xModel->getCurrentSelection(), UNO_QUERY_THROW);
awt::Point aCellPosition;
xSheetCell->getPropertyValue("Position") >>= aCellPosition;
xShape->setPosition(aCellPosition);
Reference<XSpreadsheetView> xView(m_xModel->getCurrentController(), UNO_QUERY_THROW);
Reference<XSpreadsheet> xSheet(xView->getActiveSheet(), UNO_SET_THROW);
Reference<XDrawPageSupplier> xDrawPageSupplier(xSheet, UNO_QUERY_THROW);
Reference<XDrawPage> xDrawPage(xDrawPageSupplier->getDrawPage(), UNO_SET_THROW);
Reference<XShapes> xShapes(xDrawPage, UNO_QUERY_THROW);
xShapes->add(xShape);
return;
}
}
}
IMPL_LINK(QrCodeGenDialog, SelectRadio_Impl, weld::ToggleButton&, rButton, void)
{
// If the button is already active do not toggle it back.
if (!rButton.get_active())
rButton.set_active(true);
SelectErrorCorrection(rButton);
}
void QrCodeGenDialog::SelectErrorCorrection(weld::ToggleButton& rButton)
{
sal_Int32 nPos = maBox.GetButtonPos(&rButton);
if (nPos != -1 && nPos != maBox.GetCurrentButtonPos())
{
maBox.SelectButton(&rButton);
m_aECCSelect = static_cast<int>(maBox.GetCurrentButtonPos()) + 1;
}
}
OUString QrCodeGenDialog::GenerateQrCode(OUString aQrText, int aQrECC, int aQrBorder)
{
//Select ECC:: value from aQrECC
qrcodegen::QrCode::Ecc bqrEcc = qrcodegen::QrCode::Ecc::LOW;
switch (aQrECC)
{
case 2:
{
bqrEcc = qrcodegen::QrCode::Ecc::MEDIUM;
break;
}
case 3:
{
bqrEcc = qrcodegen::QrCode::Ecc::QUARTILE;
break;
}
case 4:
{
bqrEcc = qrcodegen::QrCode::Ecc::HIGH;
break;
}
default:
{
bqrEcc = qrcodegen::QrCode::Ecc::LOW;
break;
}
}
//OuString to char* qrtext
OString o = OUStringToOString(aQrText, RTL_TEXTENCODING_ASCII_US);
const char* qrtext = o.pData->buffer;
//From Qr Code library.
qrcodegen::QrCode qr0 = qrcodegen::QrCode::encodeText(qrtext, bqrEcc);
std::string svg = qr0.toSvgString(aQrBorder);
//cstring to OUString
char* cstr = &svg[0];
return OUString::createFromAscii(cstr);
}
void QrCodeGenDialog::GetErrorCorrection(long ErrorCorrection)
{
switch (ErrorCorrection)
{
case css::drawing::QRCodeErrorCorrection::MEDIUM:
{
m_xRadioMedium->set_active(true);
m_aECCSelect = ErrorCorrection;
break;
}
case css::drawing::QRCodeErrorCorrection::QUARTILE:
{
m_xRadioQuartile->set_active(true);
m_aECCSelect = ErrorCorrection;
break;
}
case css::drawing::QRCodeErrorCorrection::HIGH:
{
m_xRadioHigh->set_active(true);
m_aECCSelect = ErrorCorrection;
break;
}
default:
{
m_xRadioLow->set_active(true);
m_aECCSelect = css::drawing::QRCodeErrorCorrection::LOW;
break;
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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