Add opengl canvas implementation.

Adds opengl canvas implementation - display-list-based, all
rendering done as textured geometry. Needs shader support.

Currently compiles and works on Linux, Mac should be ~easy to
add, win32 eventually.

Change-Id: Ibf3eb88d6a36a91b2960a3a6320d708160e4fc14

1 files changed, 79 insertions, 0 deletions

diff --git a/canvas/source/opengl/ogl_textlayout.hxx b/canvas/source/opengl/ogl_textlayout.hxx
new file mode 100644
index 000000000000..64c50f7f2bb8
--- /dev/null
+++ b/canvas/source/opengl/ogl_textlayout.hxx
@@ -0,0 +1,79 @@
+/* -*- 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/.
+ */
+
+#ifndef OGL_TEXTLAYOUT_HXX
+#define OGL_TEXTLAYOUT_HXX
+
+#include <cppuhelper/compbase1.hxx>
+#include <comphelper/broadcasthelper.hxx>
+
+#include <com/sun/star/rendering/XTextLayout.hpp>
+
+#include <basegfx/vector/b2isize.hxx>
+
+#include <boost/utility.hpp>
+
+#include "ogl_canvasfont.hxx"
+
+
+/* Definition of TextLayout class */
+
+namespace oglcanvas
+{
+    typedef ::cppu::WeakComponentImplHelper1< ::com::sun::star::rendering::XTextLayout > TextLayoutBaseT;
+
+    class TextLayout : public ::comphelper::OBaseMutex,
+                       public TextLayoutBaseT,
+                       private ::boost::noncopyable
+    {
+    public:
+        TextLayout( const ::com::sun::star::rendering::StringContext& aText,
+                    sal_Int8                                          nDirection,
+                    sal_Int64                                         nRandomSeed,
+                    const CanvasFont::ImplRef&                        rFont );
+
+        /// Dispose all internal references
+        virtual void SAL_CALL disposing();
+
+        // XTextLayout
+        virtual ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D > > SAL_CALL queryTextShapes(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryInkMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual ::com::sun::star::uno::Sequence< double > SAL_CALL queryLogicalAdvancements(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL applyLogicalAdvancements( const ::com::sun::star::uno::Sequence< double >& aAdvancements ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
+        virtual ::com::sun::star::geometry::RealRectangle2D SAL_CALL queryTextBounds(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual double SAL_CALL justify( double nSize ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
+        virtual double SAL_CALL combinedJustify( const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XTextLayout > >& aNextLayouts, double nSize ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
+        virtual ::com::sun::star::rendering::TextHit SAL_CALL getTextHit( const ::com::sun::star::geometry::RealPoint2D& aHitPoint ) throw (::com::sun::star::uno::RuntimeException);
+        virtual ::com::sun::star::rendering::Caret SAL_CALL getCaret( sal_Int32 nInsertionIndex, sal_Bool bExcludeLigatures ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
+        virtual sal_Int32 SAL_CALL getNextInsertionIndex( sal_Int32 nStartIndex, sal_Int32 nCaretAdvancement, sal_Bool bExcludeLigatures ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
+        virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D > SAL_CALL queryVisualHighlighting( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
+        virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D > SAL_CALL queryLogicalHighlighting( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
+        virtual double SAL_CALL getBaselineOffset(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual sal_Int8 SAL_CALL getMainTextDirection(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL getFont(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual ::com::sun::star::rendering::StringContext SAL_CALL getText(  ) throw (::com::sun::star::uno::RuntimeException);
+
+        bool draw( const ::com::sun::star::rendering::ViewState&         rViewState,
+                   const ::com::sun::star::rendering::RenderState&       rRenderState,
+                   const ::com::sun::star::uno::Reference<
+                         ::com::sun::star::rendering::XGraphicDevice >&  xGraphicDevice ) const;
+
+    private:
+        ::com::sun::star::rendering::StringContext maText;
+        ::com::sun::star::uno::Sequence< double >  maLogicalAdvancements;
+        CanvasFont::ImplRef                        mpFont;
+        sal_Int8                                   mnTextDirection;
+    };
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */