217ad59a41
Change-Id: I708876fecab1bd6b0c37892efa9c4ab180457d6b Reviewed-on: https://gerrit.libreoffice.org/64366 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
308 lines
12 KiB
C++
308 lines
12 KiB
C++
/* -*- 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/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed
|
|
* with this work for additional information regarding copyright
|
|
* ownership. The ASF licenses this file to you under the Apache
|
|
* License, Version 2.0 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
|
|
*/
|
|
|
|
#ifndef INCLUDED_CPPCANVAS_SOURCE_INC_IMPLRENDERER_HXX
|
|
#define INCLUDED_CPPCANVAS_SOURCE_INC_IMPLRENDERER_HXX
|
|
|
|
#include <sal/config.h>
|
|
|
|
#include <basegfx/vector/b2dsize.hxx>
|
|
#include <sal/types.h>
|
|
#include <tools/stream.hxx>
|
|
#include <cppcanvas/renderer.hxx>
|
|
#include <cppcanvas/canvas.hxx>
|
|
|
|
#include "canvasgraphichelper.hxx"
|
|
#include "action.hxx"
|
|
#include "outdevstate.hxx"
|
|
|
|
#include <com/sun/star/rendering/FontRequest.hpp>
|
|
#include <com/sun/star/rendering/StrokeAttributes.hpp>
|
|
#include <osl/diagnose.h>
|
|
#include <osl/endian.h>
|
|
|
|
#include <map>
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
class GDIMetaFile;
|
|
class VirtualDevice;
|
|
class Gradient;
|
|
namespace tools { class Rectangle; }
|
|
namespace vcl { class Font; }
|
|
namespace tools { class PolyPolygon; }
|
|
class Point;
|
|
class MetaCommentAction;
|
|
|
|
namespace basegfx {
|
|
class B2DPolyPolygon;
|
|
class B2DPolygon;
|
|
}
|
|
|
|
namespace cppcanvas
|
|
{
|
|
|
|
namespace internal
|
|
{
|
|
struct OutDevState;
|
|
struct ActionFactoryParameters;
|
|
struct XForm;
|
|
|
|
struct EMFPObject
|
|
{
|
|
virtual ~EMFPObject() {}
|
|
};
|
|
|
|
// state stack of OutputDevice, to correctly handle
|
|
// push/pop actions
|
|
class VectorOfOutDevStates
|
|
{
|
|
public:
|
|
OutDevState& getState();
|
|
const OutDevState& getState() const;
|
|
void pushState(PushFlags nFlags);
|
|
void popState();
|
|
void clearStateStack();
|
|
private:
|
|
std::vector< OutDevState > m_aStates;
|
|
};
|
|
|
|
// EMF+
|
|
// Transformation matrix (used for Affine Transformation)
|
|
// [ eM11, eM12, eDx ]
|
|
// [ eM21, eM22, eDy ]
|
|
// [ 0, 0, 1 ]
|
|
// that consists of a linear map (eM11, eM12, eM21, eM22)
|
|
// More info: https://en.wikipedia.org/wiki/Linear_map
|
|
// followed by a translation (eDx, eDy)
|
|
|
|
struct XForm
|
|
{
|
|
float eM11; // M1,1 value in the matrix. Increases or decreases the size of the pixels horizontally.
|
|
float eM12; // M1,2 value in the matrix. This effectively angles the X axis up or down.
|
|
float eM21; // M2,1 value in the matrix. This effectively angles the Y axis left or right.
|
|
float eM22; // M2,2 value in the matrix. Increases or decreases the size of the pixels vertically.
|
|
float eDx; // Delta x (Dx) value in the matrix. Moves the whole coordinate system horizontally.
|
|
float eDy; // Delta y (Dy) value in the matrix. Moves the whole coordinate system vertically.
|
|
XForm()
|
|
{
|
|
SetIdentity ();
|
|
}
|
|
|
|
void SetIdentity ()
|
|
{
|
|
eM11 = eM22 = 1.0f;
|
|
eDx = eDy = eM12 = eM21 = 0.0f;
|
|
}
|
|
|
|
void Set (const XForm& f)
|
|
{
|
|
eM11 = f.eM11;
|
|
eM12 = f.eM12;
|
|
eM21 = f.eM21;
|
|
eM22 = f.eM22;
|
|
eDx = f.eDx;
|
|
eDy = f.eDy;
|
|
}
|
|
|
|
// Multiple two square matrices
|
|
// [ eM11, eM12, eDx ] [ f.eM11, f.eM12, f.eDx ]
|
|
// [ eM21, eM22, eDy ] x [ f.eM21, f.eM22, f.eDy ]
|
|
// [ 0, 0, 1 ] [ 0, 0, 1 ]
|
|
// More information: https://en.wikipedia.org/wiki/Matrix_multiplication#Square_matrices
|
|
// FIXME We shouldn't modify source matrix during computation
|
|
void Multiply (const XForm& f)
|
|
{
|
|
eM11 = eM11*f.eM11 + eM12*f.eM21;
|
|
eM12 = eM11*f.eM12 + eM12*f.eM22;
|
|
eM21 = eM21*f.eM11 + eM22*f.eM21;
|
|
eM22 = eM21*f.eM12 + eM22*f.eM22;
|
|
eDx = eDx*f.eM11 + eDy*f.eM21 + f.eDx;
|
|
eDy = eDx*f.eM12 + eDy*f.eM22 + f.eDy;
|
|
}
|
|
|
|
friend SvStream& ReadXForm( SvStream& rIn, XForm& rXForm )
|
|
{
|
|
if ( sizeof( float ) != 4 )
|
|
{
|
|
OSL_FAIL( "EnhWMFReader::sizeof( float ) != 4" );
|
|
rXForm = XForm();
|
|
}
|
|
else
|
|
{
|
|
rIn.ReadFloat( rXForm.eM11 ).ReadFloat( rXForm.eM12 ).ReadFloat( rXForm.eM21 ).ReadFloat( rXForm.eM22 )
|
|
.ReadFloat( rXForm.eDx ).ReadFloat( rXForm.eDy );
|
|
}
|
|
return rIn;
|
|
}
|
|
};
|
|
|
|
// EMF+
|
|
typedef struct {
|
|
XForm aWorldTransform;
|
|
OutDevState aDevState;
|
|
} EmfPlusGraphicState;
|
|
|
|
typedef std::map<int,EmfPlusGraphicState> GraphicStateMap;
|
|
|
|
class ImplRenderer : public virtual Renderer, protected CanvasGraphicHelper
|
|
{
|
|
public:
|
|
ImplRenderer( const CanvasSharedPtr& rCanvas,
|
|
const GDIMetaFile& rMtf,
|
|
const Parameters& rParms );
|
|
|
|
virtual ~ImplRenderer() override;
|
|
|
|
virtual bool draw() const override;
|
|
virtual bool drawSubset( sal_Int32 nStartIndex,
|
|
sal_Int32 nEndIndex ) const override;
|
|
virtual ::basegfx::B2DRange getSubsetArea( sal_Int32 nStartIndex,
|
|
sal_Int32 nEndIndex ) const override;
|
|
|
|
|
|
// element of the Renderer's action vector. Need to be
|
|
// public, since some functors need it, too.
|
|
struct MtfAction
|
|
{
|
|
MtfAction( const std::shared_ptr<Action>& rAction,
|
|
sal_Int32 nOrigIndex ) :
|
|
mpAction( rAction ),
|
|
mnOrigIndex( nOrigIndex )
|
|
{
|
|
}
|
|
|
|
std::shared_ptr<Action> mpAction;
|
|
sal_Int32 mnOrigIndex;
|
|
};
|
|
|
|
// prefetched and prepared canvas actions
|
|
// (externally not visible)
|
|
typedef std::vector< MtfAction > ActionVector;
|
|
|
|
private:
|
|
ImplRenderer(const ImplRenderer&) = delete;
|
|
ImplRenderer& operator=( const ImplRenderer& ) = delete;
|
|
|
|
static void updateClipping( const ::basegfx::B2DPolyPolygon& rClipPoly,
|
|
const ActionFactoryParameters& rParms,
|
|
bool bIntersect );
|
|
|
|
static void updateClipping( const ::tools::Rectangle& rClipRect,
|
|
const ActionFactoryParameters& rParms,
|
|
bool bIntersect );
|
|
|
|
static css::uno::Reference<
|
|
css::rendering::XCanvasFont > createFont( double& o_rFontRotation,
|
|
const vcl::Font& rFont,
|
|
const ActionFactoryParameters& rParms );
|
|
void createActions( GDIMetaFile& rMtf,
|
|
const ActionFactoryParameters& rParms,
|
|
bool bSubsettableActions );
|
|
bool createFillAndStroke( const ::basegfx::B2DPolyPolygon& rPolyPoly,
|
|
const ActionFactoryParameters& rParms );
|
|
bool createFillAndStroke( const ::basegfx::B2DPolygon& rPoly,
|
|
const ActionFactoryParameters& rParms );
|
|
static void skipContent( GDIMetaFile& rMtf,
|
|
const char* pCommentString,
|
|
sal_Int32& io_rCurrActionIndex );
|
|
|
|
static bool isActionContained( GDIMetaFile& rMtf,
|
|
const char* pCommentString,
|
|
MetaActionType nType );
|
|
|
|
void createGradientAction( const ::tools::PolyPolygon& rPoly,
|
|
const ::Gradient& rGradient,
|
|
const ActionFactoryParameters& rParms,
|
|
bool bIsPolygonRectangle,
|
|
bool bSubsettableActions );
|
|
|
|
void createTextAction( const ::Point& rStartPoint,
|
|
const OUString& rString,
|
|
int nIndex,
|
|
int nLength,
|
|
const long* pCharWidths,
|
|
const ActionFactoryParameters& rParms,
|
|
bool bSubsettable );
|
|
|
|
bool getSubsetIndices( sal_Int32& io_rStartIndex,
|
|
sal_Int32& io_rEndIndex,
|
|
ActionVector::const_iterator& o_rRangeBegin,
|
|
ActionVector::const_iterator& o_rRangeEnd ) const;
|
|
|
|
void processObjectRecord(SvMemoryStream& rObjectStream, sal_uInt16 flags, sal_uInt32 dataSize, bool bUseWholeStream = false);
|
|
|
|
ActionVector maActions;
|
|
|
|
/* EMF+ */
|
|
XForm aBaseTransform;
|
|
XForm aWorldTransform;
|
|
std::unique_ptr<EMFPObject> aObjects [256];
|
|
float fPageScale;
|
|
sal_Int32 nOriginX;
|
|
sal_Int32 nOriginY;
|
|
sal_Int32 nHDPI;
|
|
sal_Int32 nVDPI;
|
|
/* EMF+ emf header info */
|
|
sal_Int32 nFrameLeft;
|
|
sal_Int32 nFrameTop;
|
|
sal_Int32 nFrameRight;
|
|
sal_Int32 nFrameBottom;
|
|
sal_Int32 nPixX;
|
|
sal_Int32 nPixY;
|
|
sal_Int32 nMmX;
|
|
sal_Int32 nMmY;
|
|
/* multipart object data */
|
|
bool mbMultipart;
|
|
sal_uInt16 mMFlags;
|
|
SvMemoryStream mMStream;
|
|
/* emf+ graphic state stack */
|
|
GraphicStateMap mGSStack;
|
|
GraphicStateMap mGSContainerStack;
|
|
};
|
|
|
|
|
|
/// Common parameters when creating actions
|
|
struct ActionFactoryParameters
|
|
{
|
|
ActionFactoryParameters( VectorOfOutDevStates& rStates,
|
|
const CanvasSharedPtr& rCanvas,
|
|
::VirtualDevice& rVDev,
|
|
const Renderer::Parameters& rParms,
|
|
sal_Int32& io_rCurrActionIndex ) :
|
|
mrStates(rStates),
|
|
mrCanvas(rCanvas),
|
|
mrVDev(rVDev),
|
|
mrParms(rParms),
|
|
mrCurrActionIndex(io_rCurrActionIndex)
|
|
{}
|
|
|
|
VectorOfOutDevStates& mrStates;
|
|
const CanvasSharedPtr& mrCanvas;
|
|
::VirtualDevice& mrVDev;
|
|
const Renderer::Parameters& mrParms;
|
|
sal_Int32& mrCurrActionIndex;
|
|
};
|
|
}
|
|
}
|
|
|
|
#endif // INCLUDED_CPPCANVAS_SOURCE_INC_IMPLRENDERER_HXX
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|