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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* PDF Parsing utility functions and classes.
*//*
*
* Copyright (C) 2022 Authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef PDF_UTILS_H
#define PDF_UTILS_H
#include <2geom/rect.h>
#include "poppler-transition-api.h"
#include "2geom/affine.h"
#include "Gfx.h"
#include "GfxState.h"
#include "Page.h"
class ClipHistoryEntry
{
public:
ClipHistoryEntry(GfxPath *clipPath = nullptr, GfxClipType clipType = clipNormal);
virtual ~ClipHistoryEntry();
// Manipulate clip path stack
ClipHistoryEntry *save(bool cleared = false);
ClipHistoryEntry *restore();
bool hasSaves() { return saved != nullptr; }
bool hasClipPath() { return clipPath != nullptr && !cleared; }
bool isCopied() { return copied; }
bool isBoundingBox() { return is_bbox; }
void setClip(GfxState *state, GfxClipType newClipType = clipNormal, bool bbox = false);
GfxPath *getClipPath() { return clipPath; }
GfxClipType getClipType() { return clipType; }
const Geom::Affine &getAffine() { return affine; }
bool evenOdd() { return clipType != clipNormal; }
void clear() { cleared = true; }
private:
ClipHistoryEntry *saved; // next clip path on stack
Geom::Affine affine = Geom::identity(); // Saved affine state of the clipPath
GfxPath *clipPath; // used as the path to be filled for an 'sh' operator
GfxClipType clipType;
bool is_bbox = false;
bool cleared = false;
bool copied = false;
ClipHistoryEntry(ClipHistoryEntry *other, bool cleared = false);
};
Geom::Rect getRect(_POPPLER_CONST PDFRectangle *box);
#endif /* PDF_UTILS_H */
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