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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
commit940b4d1848e8c70ab7642901a68594e8016caffc (patch)
treeeb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /vcl/qt5/Qt5Graphics_Text.cxx
parentInitial commit. (diff)
downloadlibreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz
libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/qt5/Qt5Graphics_Text.cxx')
-rw-r--r--vcl/qt5/Qt5Graphics_Text.cxx233
1 files changed, 233 insertions, 0 deletions
diff --git a/vcl/qt5/Qt5Graphics_Text.cxx b/vcl/qt5/Qt5Graphics_Text.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <Qt5Graphics.hxx>
+#include <Qt5FontFace.hxx>
+#include <Qt5Font.hxx>
+#include <Qt5Painter.hxx>
+
+#include <vcl/fontcharmap.hxx>
+#include <unx/geninst.h>
+#include <unx/fontmanager.hxx>
+#include <unx/glyphcache.hxx>
+#include <unx/genpspgraphics.h>
+
+#include <sallayout.hxx>
+#include <PhysicalFontCollection.hxx>
+
+#include <QtGui/QGlyphRun>
+#include <QtGui/QFontDatabase>
+#include <QtGui/QRawFont>
+#include <QtCore/QStringList>
+
+void Qt5Graphics::SetTextColor(Color nColor) { m_aTextColor = nColor; }
+
+void Qt5Graphics::SetFont(LogicalFontInstance* pReqFont, int nFallbackLevel)
+{
+ // release the text styles
+ for (int i = nFallbackLevel; i < MAX_FALLBACK; ++i)
+ {
+ if (!m_pTextStyle[i])
+ break;
+ m_pTextStyle[i].clear();
+ }
+
+ if (!pReqFont)
+ return;
+
+ m_pTextStyle[nFallbackLevel] = static_cast<Qt5Font*>(pReqFont);
+}
+
+void Qt5Graphics::GetFontMetric(ImplFontMetricDataRef& rFMD, int nFallbackLevel)
+{
+ QRawFont aRawFont(QRawFont::fromFont(*m_pTextStyle[nFallbackLevel]));
+ Qt5FontFace::fillAttributesFromQFont(*m_pTextStyle[nFallbackLevel], *rFMD);
+
+ rFMD->ImplCalcLineSpacing(m_pTextStyle[nFallbackLevel].get());
+
+ rFMD->SetSlant(0);
+ rFMD->SetWidth(aRawFont.averageCharWidth());
+
+ rFMD->SetMinKashida(m_pTextStyle[nFallbackLevel]->GetKashidaWidth());
+}
+
+FontCharMapRef Qt5Graphics::GetFontCharMap() const
+{
+ if (!m_pTextStyle[0])
+ return FontCharMapRef(new FontCharMap());
+ return static_cast<const Qt5FontFace*>(m_pTextStyle[0]->GetFontFace())->GetFontCharMap();
+}
+
+bool Qt5Graphics::GetFontCapabilities(vcl::FontCapabilities& rFontCapabilities) const
+{
+ if (!m_pTextStyle[0])
+ return false;
+ return static_cast<const Qt5FontFace*>(m_pTextStyle[0]->GetFontFace())
+ ->GetFontCapabilities(rFontCapabilities);
+}
+
+void Qt5Graphics::GetDevFontList(PhysicalFontCollection* pPFC)
+{
+ static const bool bUseFontconfig = (nullptr == getenv("SAL_VCL_QT5_NO_FONTCONFIG"));
+
+ m_pFontCollection = pPFC;
+ if (pPFC->Count())
+ return;
+
+ QFontDatabase aFDB;
+ FreetypeManager& rFontManager = FreetypeManager::get();
+ psp::PrintFontManager& rMgr = psp::PrintFontManager::get();
+ ::std::vector<psp::fontID> aList;
+ psp::FastPrintFontInfo aInfo;
+
+ rMgr.getFontList(aList);
+ for (auto const& elem : aList)
+ {
+ if (!rMgr.getFontFastInfo(elem, aInfo))
+ continue;
+
+ // normalize face number to the FreetypeManager
+ int nFaceNum = rMgr.getFontFaceNumber(aInfo.m_nID);
+ int nVariantNum = rMgr.getFontFaceVariation(aInfo.m_nID);
+
+ // inform FreetypeManager about this font provided by the PsPrint subsystem
+ FontAttributes aDFA = GenPspGraphics::Info2FontAttributes(aInfo);
+ aDFA.IncreaseQualityBy(4096);
+ const OString& rFileName = rMgr.getFontFileSysPath(aInfo.m_nID);
+ rFontManager.AddFontFile(rFileName, nFaceNum, nVariantNum, aInfo.m_nID, aDFA);
+ }
+
+ if (bUseFontconfig)
+ SalGenericInstance::RegisterFontSubstitutors(pPFC);
+
+ for (auto& family : aFDB.families())
+ for (auto& style : aFDB.styles(family))
+ pPFC->Add(Qt5FontFace::fromQFontDatabase(family, style));
+}
+
+void Qt5Graphics::ClearDevFontCache() {}
+
+bool Qt5Graphics::AddTempDevFont(PhysicalFontCollection*, const OUString& /*rFileURL*/,
+ const OUString& /*rFontName*/)
+{
+ return false;
+}
+
+bool Qt5Graphics::CreateFontSubset(const OUString& /*rToFile*/, const PhysicalFontFace* /*pFont*/,
+ const sal_GlyphId* /*pGlyphIds*/, const sal_uInt8* /*pEncoding*/,
+ sal_Int32* /*pWidths*/, int /*nGlyphs*/,
+ FontSubsetInfo& /*rInfo*/)
+{
+ return false;
+}
+
+const void* Qt5Graphics::GetEmbedFontData(const PhysicalFontFace*, long* /*pDataLen*/)
+{
+ return nullptr;
+}
+
+void Qt5Graphics::FreeEmbedFontData(const void* /*pData*/, long /*nDataLen*/) {}
+
+void Qt5Graphics::GetGlyphWidths(const PhysicalFontFace* /*pPFF*/, bool /*bVertical*/,
+ std::vector<sal_Int32>& /*rWidths*/, Ucs2UIntMap& /*rUnicodeEnc*/)
+{
+}
+
+namespace
+{
+class Qt5CommonSalLayout : public GenericSalLayout
+{
+public:
+ Qt5CommonSalLayout(LogicalFontInstance& rLFI)
+ : GenericSalLayout(rLFI)
+ {
+ }
+
+ void SetOrientation(int nOrientation) { mnOrientation = nOrientation; }
+};
+}
+
+std::unique_ptr<GenericSalLayout> Qt5Graphics::GetTextLayout(int nFallbackLevel)
+{
+ assert(m_pTextStyle[nFallbackLevel]);
+ if (!m_pTextStyle[nFallbackLevel])
+ return nullptr;
+ return std::make_unique<Qt5CommonSalLayout>(*m_pTextStyle[nFallbackLevel]);
+}
+
+void Qt5Graphics::DrawTextLayout(const GenericSalLayout& rLayout)
+{
+ const Qt5Font* pFont = static_cast<const Qt5Font*>(&rLayout.GetFont());
+ assert(pFont);
+ QRawFont aRawFont(QRawFont::fromFont(*pFont));
+
+ QVector<quint32> glyphIndexes;
+ QVector<QPointF> positions;
+
+ // prevent glyph rotation inside the SalLayout
+ // probably better to add a parameter to GetNextGlyphs?
+ Qt5CommonSalLayout* pQt5Layout
+ = static_cast<Qt5CommonSalLayout*>(const_cast<GenericSalLayout*>(&rLayout));
+ int nOrientation = rLayout.GetOrientation();
+ if (nOrientation)
+ pQt5Layout->SetOrientation(0);
+
+ Point aPos;
+ const GlyphItem* pGlyph;
+ int nStart = 0;
+ while (rLayout.GetNextGlyph(&pGlyph, aPos, nStart))
+ {
+ glyphIndexes.push_back(pGlyph->glyphId());
+ positions.push_back(QPointF(aPos.X(), aPos.Y()));
+ }
+
+ // seems to be common to try to layout an empty string...
+ if (positions.empty())
+ return;
+
+ if (nOrientation)
+ pQt5Layout->SetOrientation(nOrientation);
+
+ QGlyphRun aGlyphRun;
+ aGlyphRun.setPositions(positions);
+ aGlyphRun.setGlyphIndexes(glyphIndexes);
+ aGlyphRun.setRawFont(aRawFont);
+
+ Qt5Painter aPainter(*this);
+ QColor aColor = toQColor(m_aTextColor);
+ aPainter.setPen(aColor);
+
+ if (nOrientation)
+ {
+ // make text position the center of the rotation
+ // then rotate and move back
+ QRect window = aPainter.window();
+ window.moveTo(-positions[0].x(), -positions[0].y());
+ aPainter.setWindow(window);
+
+ QTransform p;
+ p.rotate(-static_cast<qreal>(nOrientation) / 10.0);
+ p.translate(-positions[0].x(), -positions[0].y());
+ aPainter.setTransform(p);
+ }
+
+ aPainter.drawGlyphRun(QPointF(), aGlyphRun);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */