--- /dev/null
+//========================================================================
+//
+// Link.h
+//
+// Copyright 1996-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+#ifndef LINK_H
+#define LINK_H
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma interface
+#endif
+
+#include "Object.h"
+
+class GString;
+class Array;
+class Dict;
+
+//------------------------------------------------------------------------
+// LinkAction
+//------------------------------------------------------------------------
+
+enum LinkActionKind {
+ actionGoTo, // go to destination
+ actionGoToR, // go to destination in new file
+ actionLaunch, // launch app (or open document)
+ actionURI, // URI
+ actionNamed, // named action
+ actionMovie, // movie action
+ actionUnknown // anything else
+};
+
+class LinkAction {
+public:
+
+ // Destructor.
+ virtual ~LinkAction() {}
+
+ // Was the LinkAction created successfully?
+ virtual GBool isOk() = 0;
+
+ // Check link action type.
+ virtual LinkActionKind getKind() = 0;
+
+ // Parse a destination (old-style action) name, string, or array.
+ static LinkAction *parseDest(Object *obj);
+
+ // Parse an action dictionary.
+ static LinkAction *parseAction(Object *obj, GString *baseURI = NULL);
+
+ // Extract a file name from a file specification (string or
+ // dictionary).
+ static GString *getFileSpecName(Object *fileSpecObj);
+};
+
+//------------------------------------------------------------------------
+// LinkDest
+//------------------------------------------------------------------------
+
+enum LinkDestKind {
+ destXYZ,
+ destFit,
+ destFitH,
+ destFitV,
+ destFitR,
+ destFitB,
+ destFitBH,
+ destFitBV
+};
+
+class LinkDest {
+public:
+
+ // Build a LinkDest from the array.
+ LinkDest(Array *a);
+
+ // Copy a LinkDest.
+ LinkDest *copy() { return new LinkDest(this); }
+
+ // Was the LinkDest created successfully?
+ GBool isOk() { return ok; }
+
+ // Accessors.
+ LinkDestKind getKind() { return kind; }
+ GBool isPageRef() { return pageIsRef; }
+ int getPageNum() { return pageNum; }
+ Ref getPageRef() { return pageRef; }
+ double getLeft() { return left; }
+ double getBottom() { return bottom; }
+ double getRight() { return right; }
+ double getTop() { return top; }
+ double getZoom() { return zoom; }
+ GBool getChangeLeft() { return changeLeft; }
+ GBool getChangeTop() { return changeTop; }
+ GBool getChangeZoom() { return changeZoom; }
+
+private:
+
+ LinkDestKind kind; // destination type
+ GBool pageIsRef; // is the page a reference or number?
+ union {
+ Ref pageRef; // reference to page
+ int pageNum; // one-relative page number
+ };
+ double left, bottom; // position
+ double right, top;
+ double zoom; // zoom factor
+ GBool changeLeft, changeTop; // for destXYZ links, which position
+ GBool changeZoom; // components to change
+ GBool ok; // set if created successfully
+
+ LinkDest(LinkDest *dest);
+};
+
+//------------------------------------------------------------------------
+// LinkGoTo
+//------------------------------------------------------------------------
+
+class LinkGoTo: public LinkAction {
+public:
+
+ // Build a LinkGoTo from a destination (dictionary, name, or string).
+ LinkGoTo(Object *destObj);
+
+ // Destructor.
+ virtual ~LinkGoTo();
+
+ // Was the LinkGoTo created successfully?
+ virtual GBool isOk() { return dest || namedDest; }
+
+ // Accessors.
+ virtual LinkActionKind getKind() { return actionGoTo; }
+ LinkDest *getDest() { return dest; }
+ GString *getNamedDest() { return namedDest; }
+
+private:
+
+ LinkDest *dest; // regular destination (NULL for remote
+ // link with bad destination)
+ GString *namedDest; // named destination (only one of dest and
+ // and namedDest may be non-NULL)
+};
+
+//------------------------------------------------------------------------
+// LinkGoToR
+//------------------------------------------------------------------------
+
+class LinkGoToR: public LinkAction {
+public:
+
+ // Build a LinkGoToR from a file spec (dictionary) and destination
+ // (dictionary, name, or string).
+ LinkGoToR(Object *fileSpecObj, Object *destObj);
+
+ // Destructor.
+ virtual ~LinkGoToR();
+
+ // Was the LinkGoToR created successfully?
+ virtual GBool isOk() { return fileName && (dest || namedDest); }
+
+ // Accessors.
+ virtual LinkActionKind getKind() { return actionGoToR; }
+ GString *getFileName() { return fileName; }
+ LinkDest *getDest() { return dest; }
+ GString *getNamedDest() { return namedDest; }
+
+private:
+
+ GString *fileName; // file name
+ LinkDest *dest; // regular destination (NULL for remote
+ // link with bad destination)
+ GString *namedDest; // named destination (only one of dest and
+ // and namedDest may be non-NULL)
+};
+
+//------------------------------------------------------------------------
+// LinkLaunch
+//------------------------------------------------------------------------
+
+class LinkLaunch: public LinkAction {
+public:
+
+ // Build a LinkLaunch from an action dictionary.
+ LinkLaunch(Object *actionObj);
+
+ // Destructor.
+ virtual ~LinkLaunch();
+
+ // Was the LinkLaunch created successfully?
+ virtual GBool isOk() { return fileName != NULL; }
+
+ // Accessors.
+ virtual LinkActionKind getKind() { return actionLaunch; }
+ GString *getFileName() { return fileName; }
+ GString *getParams() { return params; }
+
+private:
+
+ GString *fileName; // file name
+ GString *params; // parameters
+};
+
+//------------------------------------------------------------------------
+// LinkURI
+//------------------------------------------------------------------------
+
+class LinkURI: public LinkAction {
+public:
+
+ // Build a LinkURI given the URI (string) and base URI.
+ LinkURI(Object *uriObj, GString *baseURI);
+
+ // Destructor.
+ virtual ~LinkURI();
+
+ // Was the LinkURI created successfully?
+ virtual GBool isOk() { return uri != NULL; }
+
+ // Accessors.
+ virtual LinkActionKind getKind() { return actionURI; }
+ GString *getURI() { return uri; }
+
+private:
+
+ GString *uri; // the URI
+};
+
+//------------------------------------------------------------------------
+// LinkNamed
+//------------------------------------------------------------------------
+
+class LinkNamed: public LinkAction {
+public:
+
+ // Build a LinkNamed given the action name.
+ LinkNamed(Object *nameObj);
+
+ virtual ~LinkNamed();
+
+ virtual GBool isOk() { return name != NULL; }
+
+ virtual LinkActionKind getKind() { return actionNamed; }
+ GString *getName() { return name; }
+
+private:
+
+ GString *name;
+};
+
+//------------------------------------------------------------------------
+// LinkMovie
+//------------------------------------------------------------------------
+
+class LinkMovie: public LinkAction {
+public:
+
+ LinkMovie(Object *annotObj, Object *titleObj);
+
+ virtual ~LinkMovie();
+
+ virtual GBool isOk() { return annotRef.num >= 0 || title != NULL; }
+
+ virtual LinkActionKind getKind() { return actionMovie; }
+ GBool hasAnnotRef() { return annotRef.num >= 0; }
+ Ref *getAnnotRef() { return &annotRef; }
+ GString *getTitle() { return title; }
+
+private:
+
+ Ref annotRef;
+ GString *title;
+};
+
+//------------------------------------------------------------------------
+// LinkUnknown
+//------------------------------------------------------------------------
+
+class LinkUnknown: public LinkAction {
+public:
+
+ // Build a LinkUnknown with the specified action type.
+ LinkUnknown(char *actionA);
+
+ // Destructor.
+ virtual ~LinkUnknown();
+
+ // Was the LinkUnknown create successfully?
+ virtual GBool isOk() { return action != NULL; }
+
+ // Accessors.
+ virtual LinkActionKind getKind() { return actionUnknown; }
+ GString *getAction() { return action; }
+
+private:
+
+ GString *action; // action subtype
+};
+
+//------------------------------------------------------------------------
+// LinkBorderStyle
+//------------------------------------------------------------------------
+
+enum LinkBorderType {
+ linkBorderSolid,
+ linkBorderDashed,
+ linkBorderEmbossed,
+ linkBorderEngraved,
+ linkBorderUnderlined
+};
+
+class LinkBorderStyle {
+public:
+
+ LinkBorderStyle(LinkBorderType typeA, double widthA,
+ double *dashA, int dashLengthA,
+ double rA, double gA, double bA);
+ ~LinkBorderStyle();
+
+ LinkBorderType getType() { return type; }
+ double getWidth() { return width; }
+ void getDash(double **dashA, int *dashLengthA)
+ { *dashA = dash; *dashLengthA = dashLength; }
+ void getColor(double *rA, double *gA, double *bA)
+ { *rA = r; *gA = g; *bA = b; }
+
+private:
+
+ LinkBorderType type;
+ double width;
+ double *dash;
+ int dashLength;
+ double r, g, b;
+};
+
+//------------------------------------------------------------------------
+// Link
+//------------------------------------------------------------------------
+
+class Link {
+public:
+
+ // Construct a link, given its dictionary.
+ Link(Dict *dict, GString *baseURI);
+
+ // Destructor.
+ ~Link();
+
+ // Was the link created successfully?
+ GBool isOk() { return ok; }
+
+ // Check if point is inside the link rectangle.
+ GBool inRect(double x, double y)
+ { return x1 <= x && x <= x2 && y1 <= y && y <= y2; }
+
+ // Get action.
+ LinkAction *getAction() { return action; }
+
+ // Get the link rectangle.
+ void getRect(double *xa1, double *ya1, double *xa2, double *ya2)
+ { *xa1 = x1; *ya1 = y1; *xa2 = x2; *ya2 = y2; }
+
+ // Get the border style info.
+ LinkBorderStyle *getBorderStyle() { return borderStyle; }
+
+private:
+
+ double x1, y1; // lower left corner
+ double x2, y2; // upper right corner
+ LinkBorderStyle *borderStyle; // border style
+ LinkAction *action; // action
+ GBool ok; // is link valid?
+};
+
+//------------------------------------------------------------------------
+// Links
+//------------------------------------------------------------------------
+
+class Links {
+public:
+
+ // Extract links from array of annotations.
+ Links(Object *annots, GString *baseURI);
+
+ // Destructor.
+ ~Links();
+
+ // Iterate through list of links.
+ int getNumLinks() { return numLinks; }
+ Link *getLink(int i) { return links[i]; }
+
+ // If point <x>,<y> is in a link, return the associated action;
+ // else return NULL.
+ LinkAction *find(double x, double y);
+
+ // Return true if <x>,<y> is in a link.
+ GBool onLink(double x, double y);
+
+private:
+
+ Link **links;
+ int numLinks;
+};
+
+#endif
git.asbjorn.biz / swftools.git / blobdiff