INTEGRATION: CWS cairocanvas (1.1.2); FILE ADDED

2006/01/11 12:29:02 radekdoulik 1.1.2.5: Issue number:  #51657
Submitted by:  radekdoulik
Reviewed by:   radekdoulik
optimizes resizes and adds fallback to rgb surfaces for fully opaque bitmap
draws on sprites
2005/12/14 15:38:05 radekdoulik 1.1.2.4: Issue number:  #51657
Submitted by:  radekdoulik
Reviewed by:   radekdoulik
use vcl to draw text to virtual device created from our pixmaps
2005/11/08 21:23:04 radekdoulik 1.1.2.3: Issue number:  #51657
Submitted by:  radekdoulik
Reviewed by:   radekdoulik
updated cairo canvas to be usable by canvas02
2005/09/14 10:50:58 radekdoulik 1.1.2.2: Issue number: #51657
Submitted by: radekdoulik
Reviewed by: radekdoulik
Sync code in ooo-build with cairo canvas cws
2005/07/07 07:57:57 radekdoulik 1.1.2.1: Issue number:  51657
Submitted by:  radekdoulik
Reviewed by:   radekdoulik
initial import of cairo canvas code

1 files changed, 339 insertions, 0 deletions

diff --git a/canvas/source/cairo/cairo_canvashelper.hxx b/canvas/source/cairo/cairo_canvashelper.hxx
new file mode 100644
index 000000000000..1e105d048b0a
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvashelper.hxx
@@ -0,0 +1,339 @@
+/*************************************************************************
+ *
+ *  OpenOffice.org - a multi-platform office productivity suite
+ *
+ *  $RCSfile: cairo_canvashelper.hxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: kz $ $Date: 2006-02-28 10:34:57 $
+ *
+ *  The Contents of this file are made available subject to
+ *  the terms of GNU Lesser General Public License Version 2.1.
+ *
+ *
+ *    GNU Lesser General Public License Version 2.1
+ *    =============================================
+ *    Copyright 2005 by Sun Microsystems, Inc.
+ *    901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *    This library is free software; you can redistribute it and/or
+ *    modify it under the terms of the GNU Lesser General Public
+ *    License version 2.1, as published by the Free Software Foundation.
+ *
+ *    This library is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *    Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public
+ *    License along with this library; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *    MA  02111-1307  USA
+ *
+ ************************************************************************/
+
+#ifndef _CAIROCANVAS_CANVASHELPER_HXX_
+#define _CAIROCANVAS_CANVASHELPER_HXX_
+
+#include <com/sun/star/rendering/XCanvas.hpp>
+#include <com/sun/star/rendering/XIntegerBitmap.hpp>
+
+#include <basegfx/vector/b2isize.hxx>
+#include <basegfx/vector/b2dsize.hxx>
+
+#include <boost/utility.hpp>
+
+#include "cairo_cairo.hxx"
+
+class VirtualDevice;
+
+namespace basegfx {
+    class B2DPolyPolygon;
+}
+
+namespace cairocanvas
+{
+    class SpriteCanvas;
+
+    enum Operation {
+        Stroke,
+        Fill,
+        Clip
+    };
+
+    /** Helper class for basic canvas functionality. Also offers
+        optional backbuffer painting, when providing it with a second
+        HDC to render into.
+     */
+    class SurfaceProvider {
+    public:
+        virtual ::cairo::Surface* changeSurface( bool bHasAlpha, bool bCopyContent ) = 0;
+    };
+
+    class CanvasHelper : private ::boost::noncopyable
+    {
+    public:
+        CanvasHelper();
+
+        /// Release all references
+        void disposing();
+
+        /** Initialize canvas helper
+
+            This method late-initializes the canvas helper, providing
+            it with the necessary device and size. Note that the
+            CanvasHelper does <em>not</em> take ownership of the
+            passed rDevice reference, nor does it perform any
+            reference counting. Thus, to prevent the reference counted
+            SpriteCanvas object from deletion, the user of this class
+            is responsible for holding ref-counted references itself!
+
+            @param rSizePixel
+            Size of the output surface in pixel.
+
+            @param rDevice
+            Reference device this canvas is associated with
+
+         */
+        void init( const ::basegfx::B2ISize& rSizePixel,
+                   SpriteCanvas&             rDevice );
+
+    void setSurface( ::cairo::Surface* pSurface, bool bHasAlpha, SurfaceProvider* pSurfaceProvider = NULL );
+
+        // CanvasHelper functionality
+        // ==========================
+
+        // XCanvas (only providing, not implementing the
+        // interface. Also note subtle method parameter differences)
+        void drawPoint( const ::com::sun::star::rendering::XCanvas*     pCanvas,
+                        const ::com::sun::star::geometry::RealPoint2D&  aPoint,
+                        const ::com::sun::star::rendering::ViewState&   viewState,
+                        const ::com::sun::star::rendering::RenderState& renderState );
+        void drawLine( const ::com::sun::star::rendering::XCanvas*      pCanvas,
+                       const ::com::sun::star::geometry::RealPoint2D&   aStartPoint,
+                       const ::com::sun::star::geometry::RealPoint2D&   aEndPoint,
+                       const ::com::sun::star::rendering::ViewState&    viewState,
+                       const ::com::sun::star::rendering::RenderState&  renderState );
+        void drawBezier( const ::com::sun::star::rendering::XCanvas*            pCanvas,
+                         const ::com::sun::star::geometry::RealBezierSegment2D& aBezierSegment,
+                         const ::com::sun::star::geometry::RealPoint2D&         aEndPoint,
+                         const ::com::sun::star::rendering::ViewState&          viewState,
+                         const ::com::sun::star::rendering::RenderState&        renderState );
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
+            drawPolyPolygon( const ::com::sun::star::rendering::XCanvas*            pCanvas,
+                             const ::com::sun::star::uno::Reference<
+                                     ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
+                             const ::com::sun::star::rendering::ViewState&          viewState,
+                             const ::com::sun::star::rendering::RenderState&        renderState );
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
+            strokePolyPolygon( const ::com::sun::star::rendering::XCanvas*          pCanvas,
+                               const ::com::sun::star::uno::Reference<
+                                       ::com::sun::star::rendering::XPolyPolygon2D >&   xPolyPolygon,
+                               const ::com::sun::star::rendering::ViewState&        viewState,
+                               const ::com::sun::star::rendering::RenderState&      renderState,
+                               const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes );
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
+            strokeTexturedPolyPolygon( const ::com::sun::star::rendering::XCanvas*          pCanvas,
+                                       const ::com::sun::star::uno::Reference<
+                                               ::com::sun::star::rendering::XPolyPolygon2D >&   xPolyPolygon,
+                                       const ::com::sun::star::rendering::ViewState&        viewState,
+                                       const ::com::sun::star::rendering::RenderState&      renderState,
+                                       const ::com::sun::star::uno::Sequence<
+                                               ::com::sun::star::rendering::Texture >&      textures,
+                                       const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes );
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
+            strokeTextureMappedPolyPolygon( const ::com::sun::star::rendering::XCanvas*             pCanvas,
+                                            const ::com::sun::star::uno::Reference<
+                                                    ::com::sun::star::rendering::XPolyPolygon2D >&  xPolyPolygon,
+                                            const ::com::sun::star::rendering::ViewState&           viewState,
+                                            const ::com::sun::star::rendering::RenderState&         renderState,
+                                            const ::com::sun::star::uno::Sequence<
+                                                    ::com::sun::star::rendering::Texture >&         textures,
+                                            const ::com::sun::star::uno::Reference<
+                                                    ::com::sun::star::geometry::XMapping2D >&       xMapping,
+                                            const ::com::sun::star::rendering::StrokeAttributes&    strokeAttributes );
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D >
+            queryStrokeShapes( const ::com::sun::star::rendering::XCanvas*          pCanvas,
+                               const ::com::sun::star::uno::Reference<
+                                       ::com::sun::star::rendering::XPolyPolygon2D >&   xPolyPolygon,
+                               const ::com::sun::star::rendering::ViewState&        viewState,
+                               const ::com::sun::star::rendering::RenderState&      renderState,
+                               const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes );
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
+            fillPolyPolygon( const ::com::sun::star::rendering::XCanvas*            pCanvas,
+                             const ::com::sun::star::uno::Reference<
+                                     ::com::sun::star::rendering::XPolyPolygon2D >&     xPolyPolygon,
+                             const ::com::sun::star::rendering::ViewState&          viewState,
+                             const ::com::sun::star::rendering::RenderState&        renderState );
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
+            fillTexturedPolyPolygon( const ::com::sun::star::rendering::XCanvas*            pCanvas,
+                                     const ::com::sun::star::uno::Reference<
+                                             ::com::sun::star::rendering::XPolyPolygon2D >&     xPolyPolygon,
+                                     const ::com::sun::star::rendering::ViewState&          viewState,
+                                     const ::com::sun::star::rendering::RenderState&        renderState,
+                                     const ::com::sun::star::uno::Sequence<
+                                             ::com::sun::star::rendering::Texture >&        textures );
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
+            fillTextureMappedPolyPolygon( const ::com::sun::star::rendering::XCanvas*           pCanvas,
+                                          const ::com::sun::star::uno::Reference<
+                                                  ::com::sun::star::rendering::XPolyPolygon2D >&    xPolyPolygon,
+                                          const ::com::sun::star::rendering::ViewState&         viewState,
+                                          const ::com::sun::star::rendering::RenderState&       renderState,
+                                          const ::com::sun::star::uno::Sequence<
+                                                  ::com::sun::star::rendering::Texture >&       textures,
+                                          const ::com::sun::star::uno::Reference<
+                                                  ::com::sun::star::geometry::XMapping2D >&         xMapping );
+
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL
+            createFont( const ::com::sun::star::rendering::XCanvas*             pCanvas,
+                        const ::com::sun::star::rendering::FontRequest&         fontRequest,
+                        const ::com::sun::star::uno::Sequence<
+                                ::com::sun::star::beans::PropertyValue >&       extraFontProperties,
+                        const ::com::sun::star::geometry::Matrix2D&             fontMatrix );
+
+        ::com::sun::star::uno::Sequence< ::com::sun::star::rendering::FontInfo >
+            queryAvailableFonts( const ::com::sun::star::rendering::XCanvas*        pCanvas,
+                                 const ::com::sun::star::rendering::FontInfo&       aFilter,
+                                 const ::com::sun::star::uno::Sequence<
+                                         ::com::sun::star::beans::PropertyValue >&  aFontProperties );
+
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
+            drawText( const ::com::sun::star::rendering::XCanvas*           pCanvas,
+                      const ::com::sun::star::rendering::StringContext&     text,
+                      const ::com::sun::star::uno::Reference<
+                              ::com::sun::star::rendering::XCanvasFont >&   xFont,
+                      const ::com::sun::star::rendering::ViewState&         viewState,
+                      const ::com::sun::star::rendering::RenderState&       renderState,
+                      sal_Int8                                              textDirection );
+
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
+            drawTextLayout( const ::com::sun::star::rendering::XCanvas*     pCanvas,
+                            const ::com::sun::star::uno::Reference<
+                                ::com::sun::star::rendering::XTextLayout >& layoutetText,
+                            const ::com::sun::star::rendering::ViewState&   viewState,
+                            const ::com::sun::star::rendering::RenderState& renderState );
+
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
+            drawBitmap( const ::com::sun::star::rendering::XCanvas*     pCanvas,
+                        const ::com::sun::star::uno::Reference<
+                                ::com::sun::star::rendering::XBitmap >& xBitmap,
+                        const ::com::sun::star::rendering::ViewState&   viewState,
+                        const ::com::sun::star::rendering::RenderState& renderState );
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
+            drawBitmapModulated( const ::com::sun::star::rendering::XCanvas*        pCanvas,
+                                 const ::com::sun::star::uno::Reference<
+                                         ::com::sun::star::rendering::XBitmap >&        xBitmap,
+                                 const ::com::sun::star::rendering::ViewState&      viewState,
+                                 const ::com::sun::star::rendering::RenderState&    renderState );
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >
+            getDevice();
+
+        // BitmapCanvasHelper functionality
+        // ================================
+
+        void copyRect( const ::com::sun::star::rendering::XCanvas*          pCanvas,
+                       const ::com::sun::star::uno::Reference<
+                               ::com::sun::star::rendering::XBitmapCanvas >&    sourceCanvas,
+                       const ::com::sun::star::geometry::RealRectangle2D&   sourceRect,
+                       const ::com::sun::star::rendering::ViewState&        sourceViewState,
+                       const ::com::sun::star::rendering::RenderState&      sourceRenderState,
+                       const ::com::sun::star::geometry::RealRectangle2D&   destRect,
+                       const ::com::sun::star::rendering::ViewState&        destViewState,
+                       const ::com::sun::star::rendering::RenderState&      destRenderState );
+
+        ::com::sun::star::geometry::IntegerSize2D getSize();
+
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap >
+            getScaledBitmap( const ::com::sun::star::geometry::RealSize2D&  newSize,
+                             sal_Bool                                       beFast );
+
+        ::com::sun::star::uno::Sequence< sal_Int8 >
+            getData( ::com::sun::star::rendering::IntegerBitmapLayout&      bitmapLayout,
+                     const ::com::sun::star::geometry::IntegerRectangle2D&  rect );
+
+        void setData( const ::com::sun::star::uno::Sequence< sal_Int8 >&         data,
+                      const ::com::sun::star::rendering::IntegerBitmapLayout&    bitmapLayout,
+                      const ::com::sun::star::geometry::IntegerRectangle2D&      rect );
+
+        void setPixel( const ::com::sun::star::uno::Sequence< sal_Int8 >&        color,
+                       const ::com::sun::star::rendering::IntegerBitmapLayout&   bitmapLayout,
+                       const ::com::sun::star::geometry::IntegerPoint2D&         pos );
+
+        ::com::sun::star::uno::Sequence< sal_Int8 >
+            getPixel( ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
+                      const ::com::sun::star::geometry::IntegerPoint2D& pos );
+
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapPalette > getPalette();
+
+        ::com::sun::star::rendering::IntegerBitmapLayout getMemoryLayout();
+
+        // Flush drawing queue to screen
+        void                    flush() const;
+
+        /** Called from XCanvas base classes, to notify that content
+            is _about_ to change
+        */
+        void modifying() {}
+
+        bool hasAlpha() const;
+
+        enum ColorType
+        {
+            LINE_COLOR, FILL_COLOR, TEXT_COLOR, IGNORE_COLOR
+        };
+
+    void drawPolyPolygonPath( const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
+                  Operation aOperation,
+                  const ::com::sun::star::uno::Sequence< ::com::sun::star::rendering::Texture >* pTextures=NULL,
+                  ::cairo::Cairo* pCairo=NULL ) const;
+
+        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
+    implDrawBitmapSurface( ::cairo::Surface* pSurface,
+                   const ::com::sun::star::rendering::ViewState&    viewState,
+                   const ::com::sun::star::rendering::RenderState& renderState,
+                   const ::com::sun::star::geometry::IntegerSize2D& rSize,
+                   bool bModulateColors,
+                   bool bHasAlpha );
+
+        bool repaint( ::cairo::Surface* pSurface,
+              const ::com::sun::star::rendering::ViewState& viewState,
+              const ::com::sun::star::rendering::RenderState&   renderState );
+
+    protected:
+        /** Phyical output device
+
+            Deliberately not a refcounted reference, because of
+            potential circular references for spritecanvas.
+         */
+        SpriteCanvas*                   mpDevice;
+
+    private:
+
+        VirtualDevice* mpVirtualDevice;
+
+    void useStates( const ::com::sun::star::rendering::ViewState& viewState,
+            const ::com::sun::star::rendering::RenderState& renderState,
+            bool setColor );
+
+        /// When true, content is able to represent alpha
+        bool                            mbHaveAlpha;
+
+        ::cairo::Cairo* mpCairo;
+        ::cairo::Surface* mpSurface;
+        SurfaceProvider* mpSurfaceProvider;
+    };
+
+    void drawPolyPolygonImplementation( ::basegfx::B2DPolyPolygon aPolyPolygon,
+                    Operation aOperation,
+                    ::cairo::Cairo* pCairo,
+                    const ::com::sun::star::uno::Sequence< ::com::sun::star::rendering::Texture >* pTextures=NULL,
+                    SpriteCanvas* pDevice=NULL );
+    void doOperation( Operation aOperation,
+              ::cairo::Cairo* pCairo,
+              sal_uInt32 nPolygonIndex=0,
+              const ::com::sun::star::uno::Sequence< ::com::sun::star::rendering::Texture >* pTextures=NULL,
+              SpriteCanvas* pDevice=NULL);
+}
+
+#endif /* _CAIROCANVAS_CANVASHELPER_HXX_ */