diff options
author | Karl Berry <karl@freefriends.org> | 2021-02-25 19:22:25 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2021-02-25 19:22:25 +0000 |
commit | ad547a6b5986815fda458221149728d9d9ab1d87 (patch) | |
tree | 16296910eb3eca724371474ea9aea3994dc69614 /Build/source/libs/xpdf/xpdf-src/xpdf/Annot.h | |
parent | 947b43de3dd21d58ccc2ffadefc4441ea1c2a813 (diff) |
restore Build,TODO from r57911
git-svn-id: svn://tug.org/texlive/trunk@57915 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/xpdf/xpdf-src/xpdf/Annot.h')
-rw-r--r-- | Build/source/libs/xpdf/xpdf-src/xpdf/Annot.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/Build/source/libs/xpdf/xpdf-src/xpdf/Annot.h b/Build/source/libs/xpdf/xpdf-src/xpdf/Annot.h new file mode 100644 index 00000000000..6ba5ff490da --- /dev/null +++ b/Build/source/libs/xpdf/xpdf-src/xpdf/Annot.h @@ -0,0 +1,185 @@ +//======================================================================== +// +// Annot.h +// +// Copyright 2000-2003 Glyph & Cog, LLC +// +//======================================================================== + +#ifndef ANNOT_H +#define ANNOT_H + +#include <aconf.h> + +#ifdef USE_GCC_PRAGMAS +#pragma interface +#endif + +class XRef; +class Catalog; +class Gfx; +class GfxFontDict; +class PDFDoc; + +//------------------------------------------------------------------------ +// AnnotBorderStyle +//------------------------------------------------------------------------ + +enum AnnotBorderType { + annotBorderSolid, + annotBorderDashed, + annotBorderBeveled, + annotBorderInset, + annotBorderUnderlined +}; + +class AnnotBorderStyle { +public: + + AnnotBorderStyle(AnnotBorderType typeA, double widthA, + double *dashA, int dashLengthA, + double *colorA, int nColorCompsA); + ~AnnotBorderStyle(); + + AnnotBorderType getType() { return type; } + double getWidth() { return width; } + void getDash(double **dashA, int *dashLengthA) + { *dashA = dash; *dashLengthA = dashLength; } + int getNumColorComps() { return nColorComps; } + double *getColor() { return color; } + +private: + + AnnotBorderType type; + double width; + double *dash; + int dashLength; + double color[4]; + int nColorComps; +}; + +//------------------------------------------------------------------------ + +enum AnnotLineEndType { + annotLineEndNone, + annotLineEndSquare, + annotLineEndCircle, + annotLineEndDiamond, + annotLineEndOpenArrow, + annotLineEndClosedArrow, + annotLineEndButt, + annotLineEndROpenArrow, + annotLineEndRClosedArrow, + annotLineEndSlash +}; + +//------------------------------------------------------------------------ +// Annot +//------------------------------------------------------------------------ + +class Annot { +public: + + Annot(PDFDoc *docA, Dict *dict, Ref *refA); + ~Annot(); + GBool isOk() { return ok; } + + void draw(Gfx *gfx, GBool printing); + + GString *getType() { return type; } + double getXMin() { return xMin; } + double getYMin() { return yMin; } + double getXMax() { return xMax; } + double getYMax() { return yMax; } + Object *getObject(Object *obj); + + // Check if point is inside the annotation rectangle. + GBool inRect(double x, double y) + { return xMin <= x && x <= xMax && yMin <= y && y <= yMax; } + + // Get appearance object. + Object *getAppearance(Object *obj) { return appearance.fetch(xref, obj); } + + AnnotBorderStyle *getBorderStyle() { return borderStyle; } + + GBool match(Ref *refA) + { return ref.num == refA->num && ref.gen == refA->gen; } + + void generateAnnotAppearance(); + +private: + + void generateLineAppearance(); + void generatePolyLineAppearance(); + void generatePolygonAppearance(); + void generateFreeTextAppearance(); + void setLineStyle(AnnotBorderStyle *bs, double *lineWidth); + void setStrokeColor(double *color, int nComps); + GBool setFillColor(Object *colorObj); + AnnotLineEndType parseLineEndType(Object *obj); + void adjustLineEndpoint(AnnotLineEndType lineEnd, + double x, double y, double dx, double dy, + double w, double *tx, double *ty); + void drawLineArrow(AnnotLineEndType lineEnd, + double x, double y, double dx, double dy, + double w, GBool fill); + void drawCircle(double cx, double cy, double r, const char *cmd); + void drawCircleTopLeft(double cx, double cy, double r); + void drawCircleBottomRight(double cx, double cy, double r); + void drawText(GString *text, GString *da, int quadding, double margin, + int rot); + + PDFDoc *doc; + XRef *xref; // the xref table for this PDF file + Ref ref; // object ref identifying this annotation + GString *type; // annotation type + GString *appearanceState; // appearance state name + Object appearance; // a reference to the Form XObject stream + // for the normal appearance + GString *appearBuf; + double xMin, yMin, // annotation rectangle + xMax, yMax; + Guint flags; + AnnotBorderStyle *borderStyle; + Object ocObj; // optional content entry + GBool ok; +}; + +//------------------------------------------------------------------------ +// Annots +//------------------------------------------------------------------------ + +class Annots { +public: + + // Build a list of Annot objects. + Annots(PDFDoc *docA, Object *annotsObj); + + ~Annots(); + + // Iterate through list of annotations. + int getNumAnnots() { return nAnnots; } + Annot *getAnnot(int i) { return annots[i]; } + + // If point <x>,<y> is in an annotation, return the associated + // annotation; else return NULL. + Annot *find(double x, double y); + int findIdx(double x, double y); + + // Generate an appearance stream for any non-form-field annotation + // that is missing it. + void generateAnnotAppearances(); + +private: + + void scanFieldAppearances(Dict *node, Ref *ref, Dict *parent, + Dict *acroForm); + + Annot *findAnnot(Ref *ref); + + PDFDoc *doc; + Annot **annots; + int nAnnots; +}; + +#endif |