IGraphicsUtils.h

//========================================================================================
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// $File$
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// Owner: Bernd Paradies
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// $DateTime$
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// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
// 
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance 
// with the terms of the Adobe license agreement accompanying it. If you have received
// this file from a source other than Adobe, then your use, modification, or 
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//========================================================================================

#ifndef __IGraphicsUtils__
#define __IGraphicsUtils__

#include "InstStrokeFillID.h"
#include "IPMUnknown.h"
#include "Utils.h"

#include "PMPoint.h"
#include "PMRect.h"

class IPathData;
class IGraphicsPort;
class IRasterPort;
class IOffscreenPortData;
class IGraphicsContext;
class IPathPort;
class IOutlineInfo;
class PMMatrix;
class IColorSpaceMgr;
class GraphicsData;



class IGraphicsUtils : public IPMUnknown
{
public:
 enum { kDefaultIID = IID_IGRAPHICSUTILS };

 virtual void CopyPathToPort
 (
 const IPathData* srcPath,
 IGraphicsPort* gPort
 ) = 0;

 virtual PMReal AlignUserCoordToDevicePixelCenter
 (
 IRasterPort* rPort,
 const PMReal& userCoord
 ) = 0;
 
 virtual void CreateAnchorPointPath
 (
 IRasterPort* rPort,
 IGraphicsPort* gPort,
 const PMPoint& handleLocation,
 const PMReal& size = PMReal(4.0),
 bool16 doFloor = kTrue
 ) = 0;

 virtual void CreateAnchorRectPaths
 (
 IRasterPort* rPort,
 IGraphicsPort* gPort,
 const PMRect& theRect,
 const PMReal& size,
 bool16 doFloor
 ) = 0;
 
 virtual void CreateAnchorPointPath_UserCoords
 (
 IRasterPort* rPort,
 IGraphicsPort* gPort,
 const PMMatrix& sourceToUserMatrix,
 const PMPoint& handleLocation,
 const PMReal& size = PMReal(4.0),
 bool16 doFloor = kTrue
 ) = 0;
 
 virtual void CreateAnchorRectPaths_UserCoords
 (
 IRasterPort* rPort,
 IGraphicsPort* gPort,
 const PMMatrix& sourceToUserMatrix,
 const PMRect& sourceRect,
 const PMReal& size,
 bool16 doFloor = kTrue
 ) = 0;
 
 virtual void CreateDirectionPointPath
 (
 IRasterPort* rPort,
 IGraphicsPort* gPort,
 const PMPoint& handleLocation
 ) = 0;
 
 virtual void CreateDirectionPointPath_UserCoords
 (
 IRasterPort* rPort,
 IGraphicsPort* gPort,
 const PMMatrix& sourceToUserMatrix,
 const PMPoint& handleLocation
 ) = 0;
 
 virtual void CreateTextLinkPath
 (
 IRasterPort* rPort,
 IGraphicsPort* gPort,
 const PMPoint& handleLocation,
 bool16 bVerticalOrientation = kFalse,
 bool16 bRightToLeftOrientation = kFalse
 ) = 0;

 virtual void CreateTextOversetPath
 (
 IRasterPort* rPort,
 IGraphicsPort* gPort,
 const PMPoint& handleLocation,
 bool16 drawSelected = kTrue
 ) = 0;

 virtual PMPoint ComputeMitreAdjustPoint
 (
 const PMPoint& beforePt,
 const PMPoint& currentPt,
 const PMPoint& afterPt,
 const PMReal& strokeWeight,
 const PMReal& miterLimit
 ) = 0;

 virtual void ComputeLineBounds
 (
 const PMPointList& B, // 2 points
 const PMReal& strokeWeight,
 const PMMatrix& xForm,
 const PMReal& miterLimit,
 int32 joinType,
 int32 lineCap,
 bool16 leftIsOpen,
 bool16 rightIsOpen,
 PMPoint* previousPt, // use for miter limit
 PMReal* xMin,
 PMReal* xMax,
 PMReal* yMin,
 PMReal* yMax
 ) = 0;

 virtual IColorSpaceMgr* QueryDefaultColorSpaceMgr() = 0;

 virtual bool8 SetupRasterPort(IRasterPort* rPort) = 0;

 virtual PMRect GetUpdateClipRect (GraphicsData* gd) = 0;

};


#endif // __IGraphicsUtils__