summaryrefslogtreecommitdiff
path: root/Build/source/libs/xpdf/xpdf-src/xpdf/Annot.h
diff options
context:
space:
mode:
authorKarl Berry <karl@freefriends.org>2021-02-25 19:22:25 +0000
committerKarl Berry <karl@freefriends.org>2021-02-25 19:22:25 +0000
commitad547a6b5986815fda458221149728d9d9ab1d87 (patch)
tree16296910eb3eca724371474ea9aea3994dc69614 /Build/source/libs/xpdf/xpdf-src/xpdf/Annot.h
parent947b43de3dd21d58ccc2ffadefc4441ea1c2a813 (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.h185
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