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Diffstat (limited to 'canvas/source/opengl/ogl_textlayout.cxx')
| -rw-r--r-- | canvas/source/opengl/ogl_textlayout.cxx | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/canvas/source/opengl/ogl_textlayout.cxx b/canvas/source/opengl/ogl_textlayout.cxx new file mode 100644 index 000000000..aa5a35296 --- /dev/null +++ b/canvas/source/opengl/ogl_textlayout.cxx @@ -0,0 +1,180 @@ +/* -*- 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/. + */ + +#include <sal/config.h> +#include <sal/log.hxx> + +#include <tools/diagnose_ex.h> + +#include "ogl_textlayout.hxx" + +using namespace ::com::sun::star; + +namespace oglcanvas +{ + TextLayout::TextLayout( const rendering::StringContext& aText, + sal_Int8 nDirection, + sal_Int64 /*nRandomSeed*/, + const CanvasFont::ImplRef& rFont ) : + TextLayoutBaseT( m_aMutex ), + maText( aText ), + maLogicalAdvancements(), + mpFont( rFont ), + mnTextDirection( nDirection ) + { + } + + void SAL_CALL TextLayout::disposing() + { + mpFont.clear(); + } + + // XTextLayout + uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > > SAL_CALL TextLayout::queryTextShapes( ) + { + // TODO + return uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > >(); + } + + uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryInkMeasures( ) + { + // TODO + return uno::Sequence< geometry::RealRectangle2D >(); + } + + uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryMeasures( ) + { + // TODO + return uno::Sequence< geometry::RealRectangle2D >(); + } + + uno::Sequence< double > SAL_CALL TextLayout::queryLogicalAdvancements( ) + { + ::osl::MutexGuard aGuard( m_aMutex ); + + return maLogicalAdvancements; + } + + void SAL_CALL TextLayout::applyLogicalAdvancements( const uno::Sequence< double >& aAdvancements ) + { + ::osl::MutexGuard aGuard( m_aMutex ); + + if( aAdvancements.getLength() != maText.Length ) + { + SAL_INFO("canvas.ogl", "TextLayout::applyLogicalAdvancements(): mismatching number of advancements"); + throw lang::IllegalArgumentException(); + } + + maLogicalAdvancements = aAdvancements; + } + + geometry::RealRectangle2D SAL_CALL TextLayout::queryTextBounds( ) + { + ::osl::MutexGuard aGuard( m_aMutex ); + + ENSURE_OR_THROW( mpFont.get(), + "TextLayout::queryTextBounds(): invalid font" ); + + // fake text bounds by either taking the advancement values, + // or assuming square glyph boxes (width similar to height) + const rendering::FontRequest& rFontRequest( mpFont->getFontRequest() ); + const double nFontSize( std::max( rFontRequest.CellSize, + rFontRequest.ReferenceAdvancement ) ); + if( maLogicalAdvancements.hasElements() ) + { + return geometry::RealRectangle2D( 0, -nFontSize/2, + maLogicalAdvancements[ maLogicalAdvancements.getLength()-1 ], + nFontSize/2 ); + } + else + { + return geometry::RealRectangle2D( 0, -nFontSize/2, + nFontSize * maText.Length, + nFontSize/2 ); + } + } + + double SAL_CALL TextLayout::justify( double /*nSize*/ ) + { + // TODO + return 0.0; + } + + double SAL_CALL TextLayout::combinedJustify( const uno::Sequence< uno::Reference< rendering::XTextLayout > >& /*aNextLayouts*/, + double /*nSize*/ ) + { + // TODO + return 0.0; + } + + rendering::TextHit SAL_CALL TextLayout::getTextHit( const geometry::RealPoint2D& /*aHitPoint*/ ) + { + // TODO + return rendering::TextHit(); + } + + rendering::Caret SAL_CALL TextLayout::getCaret( sal_Int32 /*nInsertionIndex*/, + sal_Bool /*bExcludeLigatures*/ ) + { + // TODO + return rendering::Caret(); + } + + sal_Int32 SAL_CALL TextLayout::getNextInsertionIndex( sal_Int32 /*nStartIndex*/, + sal_Int32 /*nCaretAdvancement*/, + sal_Bool /*bExcludeLigatures*/ ) + { + // TODO + return 0; + } + + uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryVisualHighlighting( sal_Int32 /*nStartIndex*/, + sal_Int32 /*nEndIndex*/ ) + { + // TODO + return uno::Reference< rendering::XPolyPolygon2D >(); + } + + uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryLogicalHighlighting( sal_Int32 /*nStartIndex*/, + sal_Int32 /*nEndIndex*/ ) + { + // TODO + return uno::Reference< rendering::XPolyPolygon2D >(); + } + + double SAL_CALL TextLayout::getBaselineOffset( ) + { + // TODO + return 0.0; + } + + sal_Int8 SAL_CALL TextLayout::getMainTextDirection( ) + { + ::osl::MutexGuard aGuard( m_aMutex ); + + return mnTextDirection; + } + + uno::Reference< rendering::XCanvasFont > SAL_CALL TextLayout::getFont( ) + { + ::osl::MutexGuard aGuard( m_aMutex ); + + return mpFont.get(); + } + + rendering::StringContext SAL_CALL TextLayout::getText( ) + { + ::osl::MutexGuard aGuard( m_aMutex ); + + return maText; + } + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |