office-gobmx/include/drawinglayer/primitive2d/texthierarchyprimitive2d.hxx
Armin Le Grand (Collabora) 4a0cd89904 CairoSDPR: Handle EmphasisMarks
Handling EmphasisMarks for direct text rendering
was a hard task - the EmphasisMark stuff is deeply
buried in vcl (would have needed to move quite some
includes from vcl to public) and thus hard to use.
It is also quite old (tools Polygon, Rectangle).

It was missing in the decomposition of the
TextDecoratedPortionPrimitive2D (for good reason),
but is needed now.

I found a way using a callback lambda function to
create the needed geometry in vcl and hand back the
needed data to the caller, in this case to the
decomposition. Adding it to the decomposition of
TextDecoratedPortionPrimitive2D also guarantees
that other renderers/usages will do the correct
thing and all will look identical.

Interestingly EmphasisMarks were never added to
Metafiles (see OutputDevice::ImplDrawEmphasisMarks)
so they were not 'missing' in Metafile-based
exports. But for SDPRs they have to work. I added
another encapsulating TextHierarchyPrimitive to
encapsulate primitives that do represent
EmphasisMarks and added to ignore these in the
VclMetafileProcessor2D (as needed).

Change-Id: I5b5c1528d86a123df2beb57d8366f05aa71e77cf
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/171826
Tested-by: Jenkins
Reviewed-by: Armin Le Grand <Armin.Le.Grand@me.com>
2024-08-14 10:48:51 +02:00

193 lines
7.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* This file incorporates work covered by the following license notice:
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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
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* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
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*/
#pragma once
#include <drawinglayer/drawinglayerdllapi.h>
#include <drawinglayer/primitive2d/groupprimitive2d.hxx>
#include <rtl/ustring.hxx>
namespace drawinglayer::primitive2d
{
/** TextHierarchyLinePrimitive2D class
Text format hierarchy helper class. It decomposes to its
content, so all direct renderers may ignore it. If You need
to know more about line hierarchies You may react on it and
also need to take care that the source of data uses it.
This primitive encapsulates text lines.
*/
class DRAWINGLAYER_DLLPUBLIC TextHierarchyLinePrimitive2D final : public GroupPrimitive2D
{
private:
public:
/// constructor
explicit TextHierarchyLinePrimitive2D(Primitive2DContainer&& aChildren);
/// provide unique ID
virtual sal_uInt32 getPrimitive2DID() const override;
};
/** TextHierarchyBulletPrimitive2D class
This primitive encapsulates text bullets.
*/
class DRAWINGLAYER_DLLPUBLIC TextHierarchyBulletPrimitive2D final : public GroupPrimitive2D
{
private:
public:
/// constructor
explicit TextHierarchyBulletPrimitive2D(Primitive2DContainer&& aChildren);
/// provide unique ID
virtual sal_uInt32 getPrimitive2DID() const override;
};
/** TextHierarchyParagraphPrimitive2D class
This primitive encapsulates text paragraphs.
*/
class DRAWINGLAYER_DLLPUBLIC TextHierarchyParagraphPrimitive2D final : public GroupPrimitive2D
{
private:
// outline level of the encapsulated paragraph data.
// -1 means no level, >= 0 is the level
sal_Int16 mnOutlineLevel;
public:
/// constructor
explicit TextHierarchyParagraphPrimitive2D(
Primitive2DContainer&& aChildren,
sal_Int16 nOutlineLevel = -1);
/// data read access
sal_Int16 getOutlineLevel() const { return mnOutlineLevel; }
/// compare operator
virtual bool operator==(const BasePrimitive2D& rPrimitive) const override;
/// provide unique ID
virtual sal_uInt32 getPrimitive2DID() const override;
};
/** TextHierarchyBlockPrimitive2D class
This primitive encapsulates text blocks.
*/
class DRAWINGLAYER_DLLPUBLIC TextHierarchyBlockPrimitive2D final : public GroupPrimitive2D
{
private:
public:
/// constructor
explicit TextHierarchyBlockPrimitive2D(Primitive2DContainer&& aChildren);
/// provide unique ID
virtual sal_uInt32 getPrimitive2DID() const override;
};
/** FieldType definition */
enum FieldType
{
/** unspecified. If more info is needed for a FieldType,
create a new type and its handling
*/
FIELD_TYPE_COMMON,
/** uses "FIELD_SEQ_BEGIN;PageField" -> special handling */
FIELD_TYPE_PAGE,
/** uses URL as string -> special handling */
FIELD_TYPE_URL
};
/** TextHierarchyFieldPrimitive2D class
This primitive encapsulates text fields.
Also: This type uses a type enum to transport the encapsulated field
type. Also added is a String which is type-dependent. E.g. for URL
fields, it contains the URL.
*/
class DRAWINGLAYER_DLLPUBLIC TextHierarchyFieldPrimitive2D final : public GroupPrimitive2D
{
private:
/// field type definition
FieldType meType;
/// field data as name/value pairs (dependent of field type definition)
std::vector< std::pair< OUString, OUString>> meNameValue;
public:
/// constructor
TextHierarchyFieldPrimitive2D(
Primitive2DContainer&& aChildren,
const FieldType& rFieldType,
const std::vector< std::pair< OUString, OUString>>* pNameValue = nullptr);
/// data read access
FieldType getType() const { return meType; }
OUString getValue(const OUString& rName) const;
/// compare operator
virtual bool operator==(const BasePrimitive2D& rPrimitive) const override;
/// provide unique ID
virtual sal_uInt32 getPrimitive2DID() const override;
};
/** TextHierarchyEditPrimitive2D class
Primitive to encapsulate text from an active text edit; this is
separate from other text data since some renderers need to suppress
this output due to painting the edited text in e.g. an
OutlinerEditView in the active text edit control.
It now uses get2DDecomposition to decide if to process or not,
thus it does not need to be processed in any B2DProcessor at all.
This is also important e.g. for PDF export - if the object is in
edit mode, we need to include the most current text from EditEngine/
Outliner to that export which is contained here.
*/
class DRAWINGLAYER_DLLPUBLIC TextHierarchyEditPrimitive2D final : public GroupPrimitive2D
{
public:
/// constructor
explicit TextHierarchyEditPrimitive2D(Primitive2DContainer&& aContent);
/// local decomposition
virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override;
/// provide unique ID
virtual sal_uInt32 getPrimitive2DID() const override;
};
class DRAWINGLAYER_DLLPUBLIC TextHierarchyEmphasisMarkPrimitive2D final : public GroupPrimitive2D
{
public:
/// constructor
explicit TextHierarchyEmphasisMarkPrimitive2D(Primitive2DContainer&& aContent);
/// provide unique ID
virtual sal_uInt32 getPrimitive2DID() const override;
};
} // end of namespace drawinglayer::primitive2d
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */