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Diffstat (limited to 'cui/source/dialogs/QrCodeGenDialog.cxx')
| -rw-r--r-- | cui/source/dialogs/QrCodeGenDialog.cxx | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/cui/source/dialogs/QrCodeGenDialog.cxx b/cui/source/dialogs/QrCodeGenDialog.cxx new file mode 100644 index 000000000..e028d4d10 --- /dev/null +++ b/cui/source/dialogs/QrCodeGenDialog.cxx @@ -0,0 +1,394 @@ +/* -*- 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/propertyvalue.hxx> +#include <tools/stream.hxx> +#include <dialmgr.hxx> +#include <strings.hrc> +#include <unotools/streamwrap.hxx> +#include <utility> +#include <vcl/svapp.hxx> + +#if ENABLE_ZXING +#include <rtl/strbuf.hxx> + +#ifdef __GNUC__ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wshadow" +#endif + +#include <BarcodeFormat.h> +#include <BitArray.h> +#include <BitMatrix.h> +#include <MultiFormatWriter.h> +#include <TextUtfEncoding.h> + +#ifdef __GNUC__ +#pragma GCC diagnostic pop +#endif + +#endif // ENABLE_ZXING + +#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/BarCode.hpp> +#include <com/sun/star/drawing/BarCodeErrorCorrection.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/XSpreadsheetView.hpp> +#include <com/sun/star/text/TextContentAnchorType.hpp> +#include <com/sun/star/text/XTextContent.hpp> +#include <com/sun/star/text/XTextViewCursor.hpp> +#include <com/sun/star/text/XTextViewCursorSupplier.hpp> +#include <com/sun/star/drawing/XDrawView.hpp> +#include <com/sun/star/drawing/XDrawPage.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::sheet; +using namespace css::text; +using namespace css::drawing; +using namespace css::graphic; + +namespace +{ +#if ENABLE_ZXING +// Implementation adapted from the answer: https://stackoverflow.com/questions/10789059/create-qr-code-in-vector-image/60638350#60638350 +OString ConvertToSVGFormat(const ZXing::BitMatrix& bitmatrix) +{ + OStringBuffer sb; + const int width = bitmatrix.width(); + const int height = bitmatrix.height(); + ZXing::BitArray row(width); + sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" viewBox=\"0 0 " + + OString::number(width) + " " + OString::number(height) + + "\" stroke=\"none\">\n" + "<path d=\""); + for (int i = 0; i < height; ++i) + { + bitmatrix.getRow(i, row); + for (int j = 0; j < width; ++j) + { + if (row.get(j)) + { + sb.append("M" + OString::number(j) + "," + OString::number(i) + "h1v1h-1z"); + } + } + } + sb.append("\"/>\n</svg>"); + return sb.toString(); +} + +std::string GetBarCodeType(int type) +{ + switch (type) + { + case 1: + return "Code128"; + default: + return "QRCode"; + } +} + +OString GenerateQRCode(std::u16string_view aQRText, tools::Long aQRECC, int aQRBorder, int aQRType) +{ + // Associated ZXing error correction levels (0-8) to our constants arbitrarily. + int bqrEcc = 1; + + switch (aQRECC) + { + case css::drawing::BarCodeErrorCorrection::LOW: + { + bqrEcc = 1; + break; + } + case css::drawing::BarCodeErrorCorrection::MEDIUM: + { + bqrEcc = 3; + break; + } + case css::drawing::BarCodeErrorCorrection::QUARTILE: + { + bqrEcc = 5; + break; + } + case css::drawing::BarCodeErrorCorrection::HIGH: + { + bqrEcc = 7; + break; + } + } + + OString o = OUStringToOString(aQRText, RTL_TEXTENCODING_UTF8); + std::string QRText(o.getStr(), o.getLength()); + ZXing::BarcodeFormat format = ZXing::BarcodeFormatFromString(GetBarCodeType(aQRType)); + auto writer = ZXing::MultiFormatWriter(format).setMargin(aQRBorder).setEccLevel(bqrEcc); + writer.setEncoding(ZXing::CharacterSet::UTF8); + ZXing::BitMatrix bitmatrix = writer.encode(ZXing::TextUtfEncoding::FromUtf8(QRText), 0, 0); + return ConvertToSVGFormat(bitmatrix); +} +#endif + +} // anonymous namespace + +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_text_view("edit_text")) + , m_xECC{ m_xBuilder->weld_radio_button("button_low"), + m_xBuilder->weld_radio_button("button_medium"), + m_xBuilder->weld_radio_button("button_quartile"), + m_xBuilder->weld_radio_button("button_high") } + , m_xSpinBorder(m_xBuilder->weld_spin_button("edit_margin")) + , m_xComboType(m_xBuilder->weld_combo_box("choose_type")) +#if ENABLE_ZXING + , mpParent(pParent) +#endif +{ + m_xEdittext->set_size_request(m_xEdittext->get_approximate_digit_width() * 28, + m_xEdittext->get_height_rows(6)); + if (!bEditExisting) + { + OUString sSelection; + // TODO: This only works in Writer doc. Should also work in shapes + Reference<XIndexAccess> xSelections(m_xModel->getCurrentSelection(), UNO_QUERY); + if (xSelections.is()) + { + Reference<XTextRange> xSelection(xSelections->getByIndex(0), UNO_QUERY); + if (xSelection.is()) + sSelection = xSelection->getString(); + } + if (!sSelection.isEmpty()) + m_xEdittext->set_text(sSelection); + m_xEdittext->select_region(0, -1); + 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::BarCode aBarCode; + xProps->getPropertyValue("BarCodeProperties") >>= aBarCode; + + m_xEdittext->set_text(aBarCode.Payload); + + //Get Error Correction Constant from selected QR Code + GetErrorCorrection(aBarCode.ErrorCorrection); + + m_xSpinBorder->set_value(aBarCode.Border); + + m_xComboType->set_active(aBarCode.Type); + + // Mark this as existing shape + m_xExistingShapeProperties = xProps; +} + +short QrCodeGenDialog::run() +{ +#if ENABLE_ZXING + short nRet; + while (true) + { + nRet = GenericDialogController::run(); + if (nRet == RET_OK) + { + try + { + Apply(); + break; + } + catch (const std::exception&) + { + std::unique_ptr<weld::MessageDialog> xBox(Application::CreateMessageDialog( + mpParent, VclMessageType::Warning, VclButtonsType::Ok, + CuiResId(RID_CUISTR_QRCODEDATALONG))); + xBox->run(); + } + } + else + break; + } + return nRet; +#else + return RET_CANCEL; +#endif +} + +void QrCodeGenDialog::Apply() +{ +#if ENABLE_ZXING + css::drawing::BarCode aBarCode; + aBarCode.Payload = m_xEdittext->get_text(); + aBarCode.Type = m_xComboType->get_active(); + + bool bLowECCActive(m_xECC[0]->get_active()); + bool bMediumECCActive(m_xECC[1]->get_active()); + bool bQuartileECCActive(m_xECC[2]->get_active()); + + if (bLowECCActive) + { + aBarCode.ErrorCorrection = css::drawing::BarCodeErrorCorrection::LOW; + } + else if (bMediumECCActive) + { + aBarCode.ErrorCorrection = css::drawing::BarCodeErrorCorrection::MEDIUM; + } + else if (bQuartileECCActive) + { + aBarCode.ErrorCorrection = css::drawing::BarCodeErrorCorrection::QUARTILE; + } + else + { + aBarCode.ErrorCorrection = css::drawing::BarCodeErrorCorrection::HIGH; + } + + aBarCode.Border = m_xSpinBorder->get_value(); + + // Read svg and replace placeholder texts + OString aSvgImage = GenerateQRCode(aBarCode.Payload, aBarCode.ErrorCorrection, aBarCode.Border, + aBarCode.Type); + + // Insert/Update graphic + SvMemoryStream aSvgStream(4096, 4096); + aSvgStream.WriteOString(aSvgImage); + Reference<XInputStream> xInputStream(new utl::OSeekableInputStreamWrapper(aSvgStream)); + Reference<XComponentContext> xContext(comphelper::getProcessComponentContext()); + Reference<XGraphicProvider> xProvider = css::graphic::GraphicProvider::create(xContext); + + Sequence<PropertyValue> aMediaProperties{ comphelper::makePropertyValue("InputStream", + 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("BarCodeProperties", Any(aBarCode)); + + if (bIsExistingQRCode) + return; + + // Default size + Reference<XShape> xShape(xShapeProps, UNO_QUERY); + awt::Size aShapeSize; + aShapeSize.Height = 4000; + aShapeSize.Width = 4000; + xShape->setSize(aShapeSize); + + // Default anchoring + xShapeProps->setPropertyValue("AnchorType", Any(TextContentAnchorType_AT_PARAGRAPH)); + + const Reference<XServiceInfo> xServiceInfo(m_xModel, UNO_QUERY_THROW); + + // Writer + if (xServiceInfo->supportsService("com.sun.star.text.TextDocument")) + { + 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 + else if (xServiceInfo->supportsService("com.sun.star.sheet.SpreadsheetDocument")) + { + 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; + } + + //Impress and Draw + else if (xServiceInfo->supportsService("com.sun.star.presentation.PresentationDocument") + || xServiceInfo->supportsService("com.sun.star.drawing.DrawingDocument")) + { + Reference<XDrawView> xView(m_xModel->getCurrentController(), UNO_QUERY_THROW); + Reference<XDrawPage> xPage(xView->getCurrentPage(), UNO_SET_THROW); + Reference<XShapes> xShapes(xPage, UNO_QUERY_THROW); + + xShapes->add(xShape); + return; + } + + else + { + //Not implemented for math,base and other apps. + throw uno::RuntimeException("Not implemented"); + } +#endif +} + +void QrCodeGenDialog::GetErrorCorrection(tools::Long ErrorCorrection) +{ + switch (ErrorCorrection) + { + case css::drawing::BarCodeErrorCorrection::LOW: + { + m_xECC[0]->set_active(true); + break; + } + case css::drawing::BarCodeErrorCorrection::MEDIUM: + { + m_xECC[1]->set_active(true); + break; + } + case css::drawing::BarCodeErrorCorrection::QUARTILE: + { + m_xECC[2]->set_active(true); + break; + } + case css::drawing::BarCodeErrorCorrection::HIGH: + { + m_xECC[3]->set_active(true); + break; + } + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ |