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diff --git a/Build/source/libs/poppler/poppler-src/poppler/PreScanOutputDev.h b/Build/source/libs/poppler/poppler-src/poppler/PreScanOutputDev.h
deleted file mode 100644
index a1fd6b5026c..00000000000
--- a/Build/source/libs/poppler/poppler-src/poppler/PreScanOutputDev.h
+++ /dev/null
@@ -1,182 +0,0 @@
-//========================================================================
-//
-// PreScanOutputDev.h
-//
-// Copyright 2005 Glyph & Cog, LLC
-//
-//========================================================================
-
-//========================================================================
-//
-// Modified under the Poppler project - http://poppler.freedesktop.org
-//
-// All changes made under the Poppler project to this file are licensed
-// under GPL version 2 or later
-//
-// Copyright (C) 2009 Carlos Garcia Campos <carlosgc@gnome.org>
-// Copyright (C) 2010 Albert Astals Cid <aacid@kde.org>
-// Copyright (C) 2011, 2014 William Bader <williambader@hotmail.com>
-// Copyright (C) 2011, 2013 Thomas Freitag <Thomas.Freitag@alfa.de>
-// Copyright (C) 2011 Adrian Johnson <ajohnson@redneon.com>
-//
-// To see a description of the changes please see the Changelog file that
-// came with your tarball or type make ChangeLog if you are building from git
-//
-//========================================================================
-
-#ifndef PRESCANOUTPUTDEV_H
-#define PRESCANOUTPUTDEV_H
-
-#ifdef USE_GCC_PRAGMAS
-#pragma interface
-#endif
-
-#include "goo/gtypes.h"
-#include "Object.h"
-#include "GfxState.h"
-#include "GlobalParams.h"
-#include "OutputDev.h"
-
-//------------------------------------------------------------------------
-// PreScanOutputDev
-//------------------------------------------------------------------------
-
-class PreScanOutputDev: public OutputDev {
-public:
-
- // Constructor.
- PreScanOutputDev(PDFDoc *docA);
-
- // Destructor.
- ~PreScanOutputDev();
-
- //----- get info about output device
-
- // Does this device use upside-down coordinates?
- // (Upside-down means (0,0) is the top left corner of the page.)
- GBool upsideDown() override { return gTrue; }
-
- // Does this device use drawChar() or drawString()?
- GBool useDrawChar() override { return gTrue; }
-
- // Does this device use tilingPatternFill()? If this returns false,
- // tiling pattern fills will be reduced to a series of other drawing
- // operations.
- GBool useTilingPatternFill() override { return gTrue; }
-
- // Does this device use functionShadedFill(), axialShadedFill(), and
- // radialShadedFill()? If this returns false, these shaded fills
- // will be reduced to a series of other drawing operations.
- GBool useShadedFills(int type) override { return gTrue; }
-
- // Does this device use beginType3Char/endType3Char? Otherwise,
- // text in Type 3 fonts will be drawn with drawChar/drawString.
- GBool interpretType3Chars() override { return gTrue; }
-
- //----- initialization and control
-
- // Start a page.
- void startPage(int pageNum, GfxState *state, XRef *xref) override;
-
- // End a page.
- void endPage() override;
-
- //----- path painting
- void stroke(GfxState *state) override;
- void fill(GfxState *state) override;
- void eoFill(GfxState *state) override;
- GBool tilingPatternFill(GfxState *state, Gfx *gfx, Catalog *cat, Object *str,
- double *pmat, int paintType, int tilingType, Dict *resDict,
- double *mat, double *bbox,
- int x0, int y0, int x1, int y1,
- double xStep, double yStep) override;
- GBool functionShadedFill(GfxState *state,
- GfxFunctionShading *shading) override;
- GBool axialShadedFill(GfxState *state, GfxAxialShading *shading, double tMin, double tMax) override;
- GBool radialShadedFill(GfxState *state, GfxRadialShading *shading, double tMin, double tMax) override;
-
- //----- path clipping
- void clip(GfxState *state) override;
- void eoClip(GfxState *state) override;
-
- //----- text drawing
- void beginStringOp(GfxState *state) override;
- void endStringOp(GfxState *state) override;
- GBool beginType3Char(GfxState *state, double x, double y,
- double dx, double dy,
- CharCode code, Unicode *u, int uLen) override;
- void endType3Char(GfxState *state) override;
-
- //----- image drawing
- void drawImageMask(GfxState *state, Object *ref, Stream *str,
- int width, int height, GBool invert,
- GBool interpolate, GBool inlineImg) override;
- void drawImage(GfxState *state, Object *ref, Stream *str,
- int width, int height, GfxImageColorMap *colorMap,
- GBool interpolate, int *maskColors, GBool inlineImg) override;
- void drawMaskedImage(GfxState *state, Object *ref, Stream *str,
- int width, int height,
- GfxImageColorMap *colorMap,
- GBool interpolate,
- Stream *maskStr, int maskWidth, int maskHeight,
- GBool maskInvert, GBool maskInterpolate) override;
- void drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
- int width, int height,
- GfxImageColorMap *colorMap,
- GBool interpolate,
- Stream *maskStr,
- int maskWidth, int maskHeight,
- GfxImageColorMap *maskColorMap,
- GBool maskInterpolate) override;
-
- //----- transparency groups and soft masks
- void beginTransparencyGroup(GfxState *state, double *bbox,
- GfxColorSpace *blendingColorSpace,
- GBool isolated, GBool knockout,
- GBool forSoftMask) override;
- void paintTransparencyGroup(GfxState *state, double *bbox) override;
- void setSoftMask(GfxState *state, double *bbox, GBool alpha,
- Function *transferFunc, GfxColor *backdropColor) override;
-
- //----- special access
-
- // Returns true if the operations performed since the last call to
- // clearStats() are all monochrome (black or white).
- GBool isMonochrome() { return mono; }
-
- // Returns true if the operations performed since the last call to
- // clearStats() are all gray.
- GBool isGray() { return gray; }
-
- // Returns true if the operations performed since the last call to
- // clearStats() included any transparency.
- GBool usesTransparency() { return transparency; }
-
- // Returns true if the operations performed since the last call to
- // clearStats() are all rasterizable by GDI calls in GDIOutputDev.
- GBool isAllGDI() { return gdi; }
-
- // Returns true if the operations performed since the last call to
- // clearStats() included any image mask fills with a pattern color
- // space. (only level1!)
- GBool usesPatternImageMask() { return patternImgMask; }
-
- // Clear the stats used by the above functions.
- void clearStats();
-
-private:
-
- void check(GfxColorSpace *colorSpace, GfxColor *color,
- double opacity, GfxBlendMode blendMode);
-
- PDFDoc *doc;
- GBool mono;
- GBool gray;
- GBool transparency;
- GBool gdi;
- PSLevel level; // PostScript level (1, 2, separation)
- GBool patternImgMask;
- int inTilingPatternFill;
-};
-
-#endif