canvas/source/cairo/cairo_canvashelper_texturefill.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_canvas.hxx"
  30
  31 #include <canvas/debug.hxx>
  32
  33 #include <rtl/math.hxx>
  34
  35 #include <com/sun/star/rendering/TextDirection.hpp>
  36 #include <com/sun/star/rendering/TexturingMode.hpp>
  37 #include <com/sun/star/rendering/PathCapType.hpp>
  38 #include <com/sun/star/rendering/PathJoinType.hpp>
  39
  40 #include <tools/poly.hxx>
  41 #include <vcl/window.hxx>
  42 #include <vcl/bitmapex.hxx>
  43 #include <vcl/bmpacc.hxx>
  44 #include <vcl/canvastools.hxx>
  45
  46 #include <basegfx/matrix/b2dhommatrix.hxx>
  47 #include <basegfx/range/b2drectangle.hxx>
  48 #include <basegfx/point/b2dpoint.hxx>
  49 #include <basegfx/vector/b2dsize.hxx>
  50 #include <basegfx/polygon/b2dpolygon.hxx>
  51 #include <basegfx/polygon/b2dpolygontools.hxx>
  52 #include <basegfx/polygon/b2dpolypolygontools.hxx>
  53 #include <basegfx/polygon/b2dlinegeometry.hxx>
  54 #include <basegfx/tools/canvastools.hxx>
  55 #include <basegfx/numeric/ftools.hxx>
  56
  57 #include <utility>
  58
  59 #include <comphelper/sequence.hxx>
  60 #include <canvas/canvastools.hxx>
  61
  62 #include "cairo_textlayout.hxx"
  63 #include "cairo_parametricpolypolygon.hxx"
  64 #include "cairo_canvashelper.hxx"
  65 #include "cairo_canvasbitmap.hxx"
  66 #include "cairo_impltools.hxx"
  67 #include "cairo_canvasfont.hxx"
  68
  69 using namespace ::com::sun::star;
  70
  71 namespace cairocanvas
  72 {
  73     namespace
  74     {
  75         bool textureFill( OutputDevice&         rOutDev,
  76                           GraphicObject&        rGraphic,
  77                           const ::Point&        rPosPixel,
  78                           const ::Size&         rNextTileX,
  79                           const ::Size&         rNextTileY,
  80                           sal_Int32             nTilesX,
  81                           sal_Int32             nTilesY,
  82                           const ::Size&         rTileSize,
  83                           const GraphicAttr&    rAttr)
  84         {
  85             bool bRet( false );
  86             Point   aCurrPos;
  87             int     nX, nY;
  88
  89             for( nY=0; nY < nTilesY; ++nY )
  90             {
  91                 aCurrPos.X() = rPosPixel.X() + nY*rNextTileY.Width();
  92                 aCurrPos.Y() = rPosPixel.Y() + nY*rNextTileY.Height();
  93
  94                 for( nX=0; nX < nTilesX; ++nX )
  95                 {
  96                     // update return value. This method should return true, if
  97                     // at least one of the looped Draws succeeded.
  98                     bRet |= rGraphic.Draw( &rOutDev,
  99                                            aCurrPos,
 100                                            rTileSize,
 101                                            &rAttr );
 102
 103                     aCurrPos.X() += rNextTileX.Width();
 104                     aCurrPos.Y() += rNextTileX.Height();
 105                 }
 106             }
 107
 108             return bRet;
 109         }
 110
 111         inline sal_Int32 roundDown( const double& rVal )
 112         {
 113             return static_cast< sal_Int32 >( floor( rVal ) );
 114         }
 115
 116         inline sal_Int32 roundUp( const double& rVal )
 117         {
 118             return static_cast< sal_Int32 >( ceil( rVal ) );
 119         }
 120     }
 121
 122     uno::Reference< rendering::XCachedPrimitive > CanvasHelper::fillTexturedPolyPolygon( const rendering::XCanvas&                          rCanvas,
 123                                                                                          const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
 124                                                                                          const rendering::ViewState&                        viewState,
 125                                                                                          const rendering::RenderState&                      renderState,
 126                                                                                          const uno::Sequence< rendering::Texture >&         textures )
 127     {
 128         ENSURE_ARG_OR_THROW( xPolyPolygon.is(),
 129                          "CanvasHelper::fillPolyPolygon(): polygon is NULL");
 130         ENSURE_ARG_OR_THROW( textures.getLength(),
 131                          "CanvasHelper::fillTexturedPolyPolygon: empty texture sequence");
 132
 133     cairo_save( mpCairo );
 134
 135     useStates( viewState, renderState, true );
 136     mpTextures = &textures;
 137     drawPolyPolygonPath( xPolyPolygon, Fill );
 138     mpTextures = NULL;
 139
 140     cairo_restore( mpCairo );
 141
 142         return uno::Reference< rendering::XCachedPrimitive >(NULL);
 143     }
 144 }