Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 161 insertions, 0 deletions

diff --git a/vcl/inc/impglyphitem.hxx b/vcl/inc/impglyphitem.hxx
new file mode 100644
index 000000000..ea3b2f391
--- /dev/null
+++ b/vcl/inc/impglyphitem.hxx
@@ -0,0 +1,161 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_VCL_IMPGLYPHITEM_HXX
+#define INCLUDED_VCL_IMPGLYPHITEM_HXX
+
+#include <o3tl/typed_flags_set.hxx>
+#include <tools/gen.hxx>
+#include <vcl/dllapi.h>
+#include <vcl/outdev.hxx>
+#include <vector>
+
+#include "fontinstance.hxx"
+#include "glyphid.hxx"
+
+enum class GlyphItemFlags : sal_uInt16
+{
+    NONE = 0,
+    IS_IN_CLUSTER = 0x01,
+    IS_RTL_GLYPH = 0x02,
+    IS_DIACRITIC = 0x04,
+    IS_VERTICAL = 0x08,
+    IS_SPACING = 0x10,
+    ALLOW_KASHIDA = 0x20,
+    IS_DROPPED = 0x40,
+    IS_CLUSTER_START = 0x80,
+    IS_UNSAFE_TO_BREAK = 0x100 // HB_GLYPH_FLAG_UNSAFE_TO_BREAK from harfbuzz
+};
+namespace o3tl
+{
+template <> struct typed_flags<GlyphItemFlags> : is_typed_flags<GlyphItemFlags, 0x1ff>
+{
+};
+};
+
+class VCL_DLLPUBLIC GlyphItem
+{
+    DevicePoint m_aLinearPos; // absolute position of non rotated string
+    DeviceCoordinate m_nOrigWidth; // original glyph width
+    sal_Int32 m_nCharPos; // index in string
+    sal_Int32 m_nXOffset;
+    sal_Int32 m_nYOffset;
+    DeviceCoordinate m_nNewWidth; // width after adjustments
+    sal_GlyphId m_aGlyphId;
+    GlyphItemFlags m_nFlags;
+    sal_Int8 m_nCharCount; // number of characters making up this glyph
+
+public:
+    GlyphItem(int nCharPos, int nCharCount, sal_GlyphId aGlyphId, const DevicePoint& rLinearPos,
+              GlyphItemFlags nFlags, DeviceCoordinate nOrigWidth, int nXOffset, int nYOffset)
+        : m_aLinearPos(rLinearPos)
+        , m_nOrigWidth(nOrigWidth)
+        , m_nCharPos(nCharPos)
+        , m_nXOffset(nXOffset)
+        , m_nYOffset(nYOffset)
+        , m_nNewWidth(nOrigWidth)
+        , m_aGlyphId(aGlyphId)
+        , m_nFlags(nFlags)
+        , m_nCharCount(nCharCount)
+    {
+    }
+
+    bool IsInCluster() const { return bool(m_nFlags & GlyphItemFlags::IS_IN_CLUSTER); }
+    bool IsRTLGlyph() const { return bool(m_nFlags & GlyphItemFlags::IS_RTL_GLYPH); }
+    bool IsDiacritic() const { return bool(m_nFlags & GlyphItemFlags::IS_DIACRITIC); }
+    bool IsVertical() const { return bool(m_nFlags & GlyphItemFlags::IS_VERTICAL); }
+    bool IsSpacing() const { return bool(m_nFlags & GlyphItemFlags::IS_SPACING); }
+    bool AllowKashida() const { return bool(m_nFlags & GlyphItemFlags::ALLOW_KASHIDA); }
+    bool IsDropped() const { return bool(m_nFlags & GlyphItemFlags::IS_DROPPED); }
+    bool IsClusterStart() const { return bool(m_nFlags & GlyphItemFlags::IS_CLUSTER_START); }
+    bool IsUnsafeToBreak() const { return bool(m_nFlags & GlyphItemFlags::IS_UNSAFE_TO_BREAK); }
+
+    inline bool GetGlyphBoundRect(const LogicalFontInstance*, tools::Rectangle&) const;
+    inline bool GetGlyphOutline(const LogicalFontInstance*, basegfx::B2DPolyPolygon&) const;
+    inline void dropGlyph();
+
+    sal_GlyphId glyphId() const { return m_aGlyphId; }
+    int charCount() const { return m_nCharCount; }
+    DeviceCoordinate origWidth() const { return m_nOrigWidth; }
+    int charPos() const { return m_nCharPos; }
+    int xOffset() const { return m_nXOffset; }
+    int yOffset() const { return m_nYOffset; }
+    DeviceCoordinate newWidth() const { return m_nNewWidth; }
+    const DevicePoint& linearPos() const { return m_aLinearPos; }
+
+    void setNewWidth(DeviceCoordinate width) { m_nNewWidth = width; }
+    void addNewWidth(DeviceCoordinate width) { m_nNewWidth += width; }
+    void setLinearPos(const DevicePoint& point) { m_aLinearPos = point; }
+    void setLinearPosX(double x) { m_aLinearPos.setX(x); }
+    void adjustLinearPosX(double diff) { m_aLinearPos.adjustX(diff); }
+    bool operator==(const GlyphItem& other) const
+    {
+        return m_aLinearPos == other.m_aLinearPos && m_nOrigWidth == other.m_nOrigWidth
+               && m_nCharPos == other.m_nCharPos && m_nXOffset == other.m_nXOffset
+               && m_nYOffset == other.m_nYOffset && m_nNewWidth == other.m_nNewWidth
+               && m_aGlyphId == other.m_aGlyphId && m_nCharCount == other.m_nCharCount
+               && m_nFlags == other.m_nFlags;
+    }
+    bool operator!=(const GlyphItem& other) const { return !(*this == other); }
+};
+
+bool GlyphItem::GetGlyphBoundRect(const LogicalFontInstance* pFontInstance,
+                                  tools::Rectangle& rRect) const
+{
+    return pFontInstance->GetGlyphBoundRect(m_aGlyphId, rRect, IsVertical());
+}
+
+bool GlyphItem::GetGlyphOutline(const LogicalFontInstance* pFontInstance,
+                                basegfx::B2DPolyPolygon& rPoly) const
+{
+    return pFontInstance->GetGlyphOutline(m_aGlyphId, rPoly, IsVertical());
+}
+
+void GlyphItem::dropGlyph()
+{
+    m_nCharPos = -1;
+    m_nFlags |= GlyphItemFlags::IS_DROPPED;
+}
+
+class SalLayoutGlyphsImpl : public std::vector<GlyphItem>
+{
+public:
+    SalLayoutGlyphsImpl(LogicalFontInstance& rFontInstance)
+        : m_rFontInstance(&rFontInstance)
+    {
+    }
+    SalLayoutGlyphsImpl* clone() const;
+    SalLayoutGlyphsImpl* cloneCharRange(sal_Int32 index, sal_Int32 length) const;
+    const rtl::Reference<LogicalFontInstance>& GetFont() const { return m_rFontInstance; }
+    bool IsValid() const;
+    void SetFlags(SalLayoutFlags flags) { mnFlags = flags; }
+    SalLayoutFlags GetFlags() const { return mnFlags; }
+#ifdef DBG_UTIL
+    bool isEqual(const SalLayoutGlyphsImpl* other) const;
+#endif
+
+private:
+    bool isSafeToBreak(const_iterator pos, bool rtl) const;
+    rtl::Reference<LogicalFontInstance> m_rFontInstance;
+    SalLayoutFlags mnFlags = SalLayoutFlags::NONE;
+};
+
+#endif // INCLUDED_VCL_IMPGLYPHITEM_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */