Files
libreoffice/drawinglayer/source/processor2d/vclpixelprocessor2d.cxx
2008-10-17 08:40:10 +00:00

477 lines
23 KiB
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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: vclpixelprocessor2d.cxx,v $
*
* $Revision: 1.16 $
*
* last change: $Author: aw $ $Date: 2008-06-26 16:21:48 $
*
* 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
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"
#include <drawinglayer/processor2d/vclpixelprocessor2d.hxx>
#include <vcl/outdev.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/primitive2d/textprimitive2d.hxx>
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#include <drawinglayer/primitive2d/fillbitmapprimitive2d.hxx>
#include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
#include <drawinglayer/primitive2d/alphaprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
#include <drawinglayer/primitive2d/pointarrayprimitive2d.hxx>
#include <drawinglayer/primitive2d/wrongspellprimitive2d.hxx>
#include <drawinglayer/primitive2d/controlprimitive2d.hxx>
#include <com/sun/star/awt/XWindow2.hpp>
#include <drawinglayer/primitive2d/unifiedalphaprimitive2d.hxx>
#include <drawinglayer/primitive2d/pagepreviewprimitive2d.hxx>
#include <drawinglayer/primitive2d/chartprimitive2d.hxx>
#include <helperchartrenderer.hxx>
#include <helperwrongspellrenderer.hxx>
#include <drawinglayer/primitive2d/fillhatchprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <vcl/hatch.hxx>
#include <cstdio>
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace processor2d
{
VclPixelProcessor2D::VclPixelProcessor2D(const geometry::ViewInformation2D& rViewInformation, OutputDevice& rOutDev)
: VclProcessor2D(rViewInformation, rOutDev),
maOriginalMapMode(rOutDev.GetMapMode())
{
// prepare maCurrentTransformation matrix with viewTransformation to target directly to pixels
maCurrentTransformation = rViewInformation.getObjectToViewTransformation();
// prepare output directly to pixels
mpOutputDevice->Push(PUSH_MAPMODE);
mpOutputDevice->SetMapMode();
// react on AntiAliasing settings
if(getOptionsDrawinglayer().IsAntiAliasing())
{
mpOutputDevice->SetAntialiasing(mpOutputDevice->GetAntialiasing() | ANTIALIASING_ENABLE_B2DDRAW);
}
else
{
mpOutputDevice->SetAntialiasing(mpOutputDevice->GetAntialiasing() & ~ANTIALIASING_ENABLE_B2DDRAW);
}
}
VclPixelProcessor2D::~VclPixelProcessor2D()
{
// restore MapMode
mpOutputDevice->Pop();
// restore AntiAliasing
mpOutputDevice->SetAntialiasing(mpOutputDevice->GetAntialiasing() & ~ANTIALIASING_ENABLE_B2DDRAW);
}
void VclPixelProcessor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
{
switch(rCandidate.getPrimitiveID())
{
case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
{
// directdraw of wrong spell primitive; added test possibility to check wrong spell decompose
static bool bHandleWrongSpellDirectly(true);
if(bHandleWrongSpellDirectly)
{
const primitive2d::WrongSpellPrimitive2D& rWrongSpellPrimitive = static_cast< const primitive2d::WrongSpellPrimitive2D& >(rCandidate);
if(!renderWrongSpellPrimitive2D(
rWrongSpellPrimitive,
*mpOutputDevice,
maCurrentTransformation,
maBColorModifierStack))
{
// fallback to decomposition (MetaFile)
process(rWrongSpellPrimitive.get2DDecomposition(getViewInformation2D()));
}
}
else
{
process(rCandidate.get2DDecomposition(getViewInformation2D()));
}
break;
}
case PRIMITIVE2D_ID_TEXTSIMPLEPORTIONPRIMITIVE2D :
{
// directdraw of text simple portion; added test possibility to check text decompose
static bool bHandleSimpleTextDirectly(true);
// Adapt evtl. used special DrawMode
const sal_uInt32 nOriginalDrawMode(mpOutputDevice->GetDrawMode());
adaptTextToFillDrawMode();
if(bHandleSimpleTextDirectly)
{
RenderTextSimpleOrDecoratedPortionPrimitive2D(static_cast< const primitive2d::TextSimplePortionPrimitive2D& >(rCandidate));
}
else
{
process(rCandidate.get2DDecomposition(getViewInformation2D()));
}
// restore DrawMode
mpOutputDevice->SetDrawMode(nOriginalDrawMode);
break;
}
case PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D :
{
// directdraw of text simple portion; added test possibility to check text decompose
static bool bHandleComplexTextDirectly(false);
// Adapt evtl. used special DrawMode
const sal_uInt32 nOriginalDrawMode(mpOutputDevice->GetDrawMode());
adaptTextToFillDrawMode();
if(bHandleComplexTextDirectly)
{
RenderTextSimpleOrDecoratedPortionPrimitive2D(static_cast< const primitive2d::TextSimplePortionPrimitive2D& >(rCandidate));
}
else
{
process(rCandidate.get2DDecomposition(getViewInformation2D()));
}
// restore DrawMode
mpOutputDevice->SetDrawMode(nOriginalDrawMode);
break;
}
case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
{
// direct draw of hairline
RenderPolygonHairlinePrimitive2D(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
{
// direct draw of transformed BitmapEx primitive
RenderBitmapPrimitive2D(static_cast< const primitive2d::BitmapPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_FILLBITMAPPRIMITIVE2D :
{
// direct draw of fillBitmapPrimitive
RenderFillBitmapPrimitive2D(static_cast< const primitive2d::FillBitmapPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_POLYPOLYGONGRADIENTPRIMITIVE2D :
{
if(getOptionsDrawinglayer().IsAntiAliasing())
{
// For AA, direct render has to be avoided since it uses XOR maskings which will not
// work with AA. Instead, the decompose which uses MaskPrimitive2D with fillings is
// used
process(rCandidate.get2DDecomposition(getViewInformation2D()));
}
else
{
// direct draw of gradient
RenderPolyPolygonGradientPrimitive2D(static_cast< const primitive2d::PolyPolygonGradientPrimitive2D& >(rCandidate));
}
break;
}
case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
{
// direct draw of PolyPolygon with color
RenderPolyPolygonColorPrimitive2D(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
{
// direct draw of MetaFile
RenderMetafilePrimitive2D(static_cast< const primitive2d::MetafilePrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
{
// mask group.
RenderMaskPrimitive2DPixel(static_cast< const primitive2d::MaskPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_MODIFIEDCOLORPRIMITIVE2D :
{
// modified color group. Force output to unified color.
RenderModifiedColorPrimitive2D(static_cast< const primitive2d::ModifiedColorPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_UNIFIEDALPHAPRIMITIVE2D :
{
// Detect if a single PolyPolygonColorPrimitive2D is contained; in that case,
// use the faster OutputDevice::DrawTransparent method
const primitive2d::UnifiedAlphaPrimitive2D& rUniAlphaCandidate = static_cast< const primitive2d::UnifiedAlphaPrimitive2D& >(rCandidate);
const primitive2d::Primitive2DSequence rContent = rUniAlphaCandidate.getChildren();
bool bDrawTransparentUsed(false);
// ATM need to disable this since OutputDevice::DrawTransparent uses the
// old tools::Polygon classes and may not be sufficient here. HDU is evaluating...
static bool bAllowUsingDrawTransparent(false);
if(bAllowUsingDrawTransparent && rContent.hasElements() && 1 == rContent.getLength())
{
const primitive2d::Primitive2DReference xReference(rContent[0]);
const primitive2d::PolyPolygonColorPrimitive2D* pPoPoColor = dynamic_cast< const primitive2d::PolyPolygonColorPrimitive2D* >(xReference.get());
if(pPoPoColor && PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D == pPoPoColor->getPrimitiveID())
{
// single transparent PolyPolygon identified, use directly
const basegfx::BColor aPolygonColor(maBColorModifierStack.getModifiedColor(pPoPoColor->getBColor()));
mpOutputDevice->SetFillColor(Color(aPolygonColor));
mpOutputDevice->SetLineColor();
basegfx::B2DPolyPolygon aLocalPolyPolygon(pPoPoColor->getB2DPolyPolygon());
aLocalPolyPolygon.transform(maCurrentTransformation);
mpOutputDevice->DrawTransparent(aLocalPolyPolygon, rUniAlphaCandidate.getAlpha());
bDrawTransparentUsed = true;
}
}
if(!bDrawTransparentUsed)
{
// use decomposition
process(rCandidate.get2DDecomposition(getViewInformation2D()));
}
break;
}
case PRIMITIVE2D_ID_ALPHAPRIMITIVE2D :
{
// sub-transparence group. Draw to VDev first.
RenderAlphaPrimitive2D(static_cast< const primitive2d::AlphaPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
{
// transform group.
RenderTransformPrimitive2D(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_PAGEPREVIEWPRIMITIVE2D :
{
// new XDrawPage for ViewInformation2D
RenderPagePreviewPrimitive2D(static_cast< const primitive2d::PagePreviewPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
{
// marker array
RenderMarkerArrayPrimitive2D(static_cast< const primitive2d::MarkerArrayPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
{
// point array
RenderPointArrayPrimitive2D(static_cast< const primitive2d::PointArrayPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_CONTROLPRIMITIVE2D :
{
// control primitive
const primitive2d::ControlPrimitive2D& rControlPrimitive = static_cast< const primitive2d::ControlPrimitive2D& >(rCandidate);
// if control primitive is a xWindow2 and visible, it oes not need to be painted
bool bControlIsVisibleAsChildWindow(false);
if(rControlPrimitive.getXControl().is())
{
com::sun::star::uno::Reference< com::sun::star::awt::XWindow2 > xControlWindow(rControlPrimitive.getXControl(), com::sun::star::uno::UNO_QUERY_THROW);
if(xControlWindow.is())
{
if(xControlWindow->isVisible())
{
bControlIsVisibleAsChildWindow = true;
}
}
}
if(bControlIsVisibleAsChildWindow)
{
// update position and size as VCL Child Window
static bool bDoSizeAndPositionControlsB(false);
if(bDoSizeAndPositionControlsB)
{
PositionAndSizeControl(rControlPrimitive);
}
}
else
{
// process recursively and use the decomposition as Bitmap
process(rCandidate.get2DDecomposition(getViewInformation2D()));
}
break;
}
case PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D:
{
// the stroke primitive may be decomposed to filled polygons. To keep
// evtl. set DrawModes aka DRAWMODE_BLACKLINE, DRAWMODE_GRAYLINE,
// DRAWMODE_GHOSTEDLINE, DRAWMODE_WHITELINE or DRAWMODE_SETTINGSLINE
// working, these need to be copied to the corresponding fill modes
const sal_uInt32 nOriginalDrawMode(mpOutputDevice->GetDrawMode());
adaptLineToFillDrawMode();
// polygon stroke primitive
static bool bSuppressFatToHairlineCorrection(false);
if(getOptionsDrawinglayer().IsAntiAliasing() || bSuppressFatToHairlineCorrection)
{
// remeber that we enter a PolygonStrokePrimitive2D decomposition,
// used for AA thick line drawing
mnPolygonStrokePrimitive2D++;
// with AA there is no need to handle thin lines special
process(rCandidate.get2DDecomposition(getViewInformation2D()));
// leave PolygonStrokePrimitive2D
mnPolygonStrokePrimitive2D--;
}
else
{
// Lines with 1 and 2 pixel width without AA need special treatment since their vsiualisation
// as filled polygons is geometrically corret but looks wrong since polygon filling avoids
// the right and bottom pixels. The used method evaluates that and takes the correct action,
// including calling recursively with decomposition if line is wide enough
const primitive2d::PolygonStrokePrimitive2D& rPolygonStrokePrimitive = static_cast< const primitive2d::PolygonStrokePrimitive2D& >(rCandidate);
RenderPolygonStrokePrimitive2D(rPolygonStrokePrimitive);
}
// restore DrawMode
mpOutputDevice->SetDrawMode(nOriginalDrawMode);
break;
}
case PRIMITIVE2D_ID_CHARTPRIMITIVE2D :
{
// chart primitive in pixel renderer; restore original DrawMode during call
// since the evtl. used ChartPrettyPainter will use the MapMode
const primitive2d::ChartPrimitive2D& rChartPrimitive = static_cast< const primitive2d::ChartPrimitive2D& >(rCandidate);
mpOutputDevice->Push(PUSH_MAPMODE);
mpOutputDevice->SetMapMode(maOriginalMapMode);
if(!renderChartPrimitive2D(rChartPrimitive, *mpOutputDevice))
{
// fallback to decomposition (MetaFile)
process(rChartPrimitive.get2DDecomposition(getViewInformation2D()));
}
mpOutputDevice->Pop();
break;
}
case PRIMITIVE2D_ID_FILLHATCHPRIMITIVE2D :
{
static bool bForceIgnoreHatchSmoothing(false);
if(bForceIgnoreHatchSmoothing || getOptionsDrawinglayer().IsAntiAliasing())
{
// if AA is used (or ignore smoothing is on), there is no need to smooth
// hatch painting, use decomposition
process(rCandidate.get2DDecomposition(getViewInformation2D()));
}
else
{
// without AA, use VCL to draw the hatch. It snaps hatch distances to the next pixel
// and forces hatch distance to be >= 3 pixels to make the hatch display look smoother.
// This is wrong in principle, but looks nicer. This could also be done here directly
// without VCL usage if needed
const primitive2d::FillHatchPrimitive2D& rFillHatchPrimitive = static_cast< const primitive2d::FillHatchPrimitive2D& >(rCandidate);
// create hatch polygon in range size and discrete coordinates
basegfx::B2DRange aHatchRange(rFillHatchPrimitive.getObjectRange());
aHatchRange.transform(maCurrentTransformation);
const basegfx::B2DPolygon aHatchPolygon(basegfx::tools::createPolygonFromRect(aHatchRange));
// set hatch line color
const basegfx::BColor aHatchColor(maBColorModifierStack.getModifiedColor(rFillHatchPrimitive.getBColor()));
mpOutputDevice->SetFillColor();
mpOutputDevice->SetLineColor(Color(aHatchColor));
// get hatch style
const attribute::FillHatchAttribute& rFillHatchAttributes = rFillHatchPrimitive.getFillHatch();
HatchStyle eHatchStyle(HATCH_SINGLE);
switch(rFillHatchAttributes.getStyle())
{
default : // HATCHSTYLE_SINGLE
{
break;
}
case attribute::HATCHSTYLE_DOUBLE :
{
eHatchStyle = HATCH_DOUBLE;
break;
}
case attribute::HATCHSTYLE_TRIPLE :
{
eHatchStyle = HATCH_TRIPLE;
break;
}
}
// create hatch
const basegfx::B2DVector aDiscreteDistance(maCurrentTransformation * basegfx::B2DVector(rFillHatchAttributes.getDistance(), 0.0));
const sal_uInt32 nDistance(basegfx::fround(aDiscreteDistance.getX()));
const sal_uInt16 nAngle10((sal_uInt16)basegfx::fround(rFillHatchAttributes.getAngle() / F_PI1800));
::Hatch aVCLHatch(eHatchStyle, Color(rFillHatchAttributes.getColor()), nDistance, nAngle10);
// draw hatch using VCL
mpOutputDevice->DrawHatch(PolyPolygon(Polygon(aHatchPolygon)), aVCLHatch);
}
break;
}
default :
{
// process recursively
process(rCandidate.get2DDecomposition(getViewInformation2D()));
break;
}
}
}
} // end of namespace processor2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
// eof