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Diffstat (limited to 'vcl/qt5/QtFont.cxx')
| -rw-r--r-- | vcl/qt5/QtFont.cxx | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/vcl/qt5/QtFont.cxx b/vcl/qt5/QtFont.cxx new file mode 100644 index 000000000..07bf9f541 --- /dev/null +++ b/vcl/qt5/QtFont.cxx @@ -0,0 +1,218 @@ +/* -*- 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 <sal/config.h> + +#include <QtFont.hxx> +#include <QtTools.hxx> + +#include <QtGui/QFont> +#include <QtGui/QRawFont> +#include <QtGui/QPainterPath> + +static inline void applyWeight(QtFont& rFont, FontWeight eWeight) +{ + switch (eWeight) + { + case WEIGHT_THIN: + rFont.setWeight(QFont::Thin); + break; + case WEIGHT_ULTRALIGHT: + rFont.setWeight(QFont::ExtraLight); + break; + case WEIGHT_LIGHT: + rFont.setWeight(QFont::Light); + break; + case WEIGHT_SEMILIGHT: + [[fallthrough]]; + case WEIGHT_NORMAL: + rFont.setWeight(QFont::Normal); + break; + case WEIGHT_MEDIUM: + rFont.setWeight(QFont::Medium); + break; + case WEIGHT_SEMIBOLD: + rFont.setWeight(QFont::DemiBold); + break; + case WEIGHT_BOLD: + rFont.setWeight(QFont::Bold); + break; + case WEIGHT_ULTRABOLD: + rFont.setWeight(QFont::ExtraBold); + break; + case WEIGHT_BLACK: + rFont.setWeight(QFont::Black); + break; + default: + break; + } +} + +static inline void applyStretch(QtFont& rFont, FontWidth eWidthType) +{ + switch (eWidthType) + { + case WIDTH_DONTKNOW: + rFont.setStretch(QFont::AnyStretch); + break; + case WIDTH_ULTRA_CONDENSED: + rFont.setStretch(QFont::UltraCondensed); + break; + case WIDTH_EXTRA_CONDENSED: + rFont.setStretch(QFont::ExtraCondensed); + break; + case WIDTH_CONDENSED: + rFont.setStretch(QFont::Condensed); + break; + case WIDTH_SEMI_CONDENSED: + rFont.setStretch(QFont::SemiCondensed); + break; + case WIDTH_NORMAL: + rFont.setStretch(QFont::Unstretched); + break; + case WIDTH_SEMI_EXPANDED: + rFont.setStretch(QFont::SemiExpanded); + break; + case WIDTH_EXPANDED: + rFont.setStretch(QFont::Expanded); + break; + case WIDTH_EXTRA_EXPANDED: + rFont.setStretch(QFont::ExtraExpanded); + break; + case WIDTH_ULTRA_EXPANDED: + rFont.setStretch(QFont::UltraExpanded); + break; + default: + break; + } +} + +static inline void applyStyle(QtFont& rFont, FontItalic eItalic) +{ + switch (eItalic) + { + case ITALIC_NONE: + rFont.setStyle(QFont::Style::StyleNormal); + break; + case ITALIC_OBLIQUE: + rFont.setStyle(QFont::Style::StyleOblique); + break; + case ITALIC_NORMAL: + rFont.setStyle(QFont::Style::StyleItalic); + break; + default: + break; + } +} + +QtFont::QtFont(const vcl::font::PhysicalFontFace& rPFF, const vcl::font::FontSelectPattern& rFSP) + : LogicalFontInstance(rPFF, rFSP) +{ + setFamily(toQString(rPFF.GetFamilyName())); + applyWeight(*this, rPFF.GetWeight()); + setPixelSize(rFSP.mnHeight); + applyStretch(*this, rPFF.GetWidthType()); + applyStyle(*this, rFSP.GetItalic()); +} + +static hb_blob_t* getFontTable(hb_face_t*, hb_tag_t nTableTag, void* pUserData) +{ + char pTagName[5]; + LogicalFontInstance::DecodeOpenTypeTag(nTableTag, pTagName); + + QtFont* pFont = static_cast<QtFont*>(pUserData); + QRawFont aRawFont(QRawFont::fromFont(*pFont)); + QByteArray aTable = aRawFont.fontTable(pTagName); + const sal_uInt32 nLength = aTable.size(); + + hb_blob_t* pBlob = nullptr; + if (nLength > 0) + pBlob = hb_blob_create(aTable.data(), nLength, HB_MEMORY_MODE_DUPLICATE, nullptr, nullptr); + return pBlob; +} + +hb_font_t* QtFont::ImplInitHbFont() +{ + return InitHbFont(hb_face_create_for_tables(getFontTable, this, nullptr)); +} + +bool QtFont::GetGlyphOutline(sal_GlyphId nId, basegfx::B2DPolyPolygon& rB2DPolyPoly, bool) const +{ + rB2DPolyPoly.clear(); + basegfx::B2DPolygon aPart; + QRawFont aRawFont(QRawFont::fromFont(*this)); + QPainterPath aQPath = aRawFont.pathForGlyph(nId); + + for (int a(0); a < aQPath.elementCount(); a++) + { + const QPainterPath::Element aQElement = aQPath.elementAt(a); + + switch (aQElement.type) + { + case QPainterPath::MoveToElement: + { + if (aPart.count()) + { + aPart.setClosed(true); + rB2DPolyPoly.append(aPart); + aPart.clear(); + } + + aPart.append(basegfx::B2DPoint(aQElement.x, aQElement.y)); + break; + } + case QPainterPath::LineToElement: + { + aPart.append(basegfx::B2DPoint(aQElement.x, aQElement.y)); + break; + } + case QPainterPath::CurveToElement: + { + const QPainterPath::Element aQ2 = aQPath.elementAt(++a); + const QPainterPath::Element aQ3 = aQPath.elementAt(++a); + aPart.appendBezierSegment(basegfx::B2DPoint(aQElement.x, aQElement.y), + basegfx::B2DPoint(aQ2.x, aQ2.y), + basegfx::B2DPoint(aQ3.x, aQ3.y)); + break; + } + case QPainterPath::CurveToDataElement: + { + break; + } + } + } + + if (aPart.count()) + { + aPart.setClosed(true); + rB2DPolyPoly.append(aPart); + aPart.clear(); + } + + return true; +} + +bool QtFont::ImplGetGlyphBoundRect(sal_GlyphId nId, tools::Rectangle& rRect, bool) const +{ + QRawFont aRawFont(QRawFont::fromFont(*this)); + rRect = toRectangle(aRawFont.boundingRect(nId).toAlignedRect()); + return true; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |