Imported Xpdf 2.03 and fixed build.

[evince.git] / pdf / xpdf / Link.cc

diff --git a/pdf/xpdf/Link.cc b/pdf/xpdf/Link.cc
index c87f6ce7b5e1f2a70353cd10a1f88c26291faef8..bfb41b7d80edc58970047c646874f1b42f410979 100644 (file)
--- a/pdf/xpdf/Link.cc
+++ b/pdf/xpdf/Link.cc
@@ -582,14 +582,43 @@ LinkUnknown::~LinkUnknown() {
   delete action;
 }
 
+//------------------------------------------------------------------------
+// LinkBorderStyle
+//------------------------------------------------------------------------
+
+LinkBorderStyle::LinkBorderStyle(LinkBorderType typeA, double widthA,
+                                double *dashA, int dashLengthA,
+                                double rA, double gA, double bA) {
+  type = typeA;
+  width = widthA;
+  dash = dashA;
+  dashLength = dashLengthA;
+  r = rA;
+  g = gA;
+  b = bA;
+}
+
+LinkBorderStyle::~LinkBorderStyle() {
+  if (dash) {
+    gfree(dash);
+  }
+}
+
 //------------------------------------------------------------------------
 // Link
 //------------------------------------------------------------------------
 
 Link::Link(Dict *dict, GString *baseURI) {
-  Object obj1, obj2;
+  Object obj1, obj2, obj3;
+  LinkBorderType borderType;
+  double borderWidth;
+  double *borderDash;
+  int borderDashLength;
+  double borderR, borderG, borderB;
   double t;
+  int i;
 
+  borderStyle = NULL;
   action = NULL;
   ok = gFalse;
 
@@ -634,19 +663,92 @@ Link::Link(Dict *dict, GString *baseURI) {
     y2 = t;
   }
 
-  // get border
-  borderW = 1;
-  if (!dict->lookup("Border", &obj1)->isNull()) {
-    if (obj1.isArray() && obj1.arrayGetLength() >= 3) {
-      if (obj1.arrayGet(2, &obj2)->isNum()) {
-       borderW = obj2.getNum();
-      } else {
-       error(-1, "Bad annotation border");
+  // get the border style info
+  borderType = linkBorderSolid;
+  borderWidth = 1;
+  borderDash = NULL;
+  borderDashLength = 0;
+  borderR = 0;
+  borderG = 0;
+  borderB = 1;
+  if (dict->lookup("BS", &obj1)->isDict()) {
+    if (obj1.dictLookup("S", &obj2)->isName()) {
+      if (obj2.isName("S")) {
+       borderType = linkBorderSolid;
+      } else if (obj2.isName("D")) {
+       borderType = linkBorderDashed;
+      } else if (obj2.isName("B")) {
+       borderType = linkBorderEmbossed;
+      } else if (obj2.isName("I")) {
+       borderType = linkBorderEngraved;
+      } else if (obj2.isName("U")) {
+       borderType = linkBorderUnderlined;
       }
-      obj2.free();
     }
+    obj2.free();
+    if (obj1.dictLookup("W", &obj2)->isNum()) {
+      borderWidth = obj2.getNum();
+    }
+    obj2.free();
+    if (obj1.dictLookup("D", &obj2)->isArray()) {
+      borderDashLength = obj2.arrayGetLength();
+      borderDash = (double *)gmalloc(borderDashLength * sizeof(double));
+      for (i = 0; i < borderDashLength; ++i) {
+       if (obj2.arrayGet(i, &obj3)->isNum()) {
+         borderDash[i] = obj3.getNum();
+       } else {
+         borderDash[i] = 1;
+       }
+       obj3.free();
+      }
+    }
+    obj2.free();
+  } else {
+    obj1.free();
+    if (dict->lookup("Border", &obj1)->isArray()) {
+      if (obj1.arrayGetLength() >= 3) {
+       if (obj1.arrayGet(2, &obj2)->isNum()) {
+         borderWidth = obj2.getNum();
+       }
+       obj2.free();
+       if (obj1.arrayGetLength() >= 4) {
+         if (obj1.arrayGet(3, &obj2)->isArray()) {
+           borderType = linkBorderDashed;
+           borderDashLength = obj2.arrayGetLength();
+           borderDash = (double *)gmalloc(borderDashLength * sizeof(double));
+           for (i = 0; i < borderDashLength; ++i) {
+             if (obj2.arrayGet(i, &obj3)->isNum()) {
+               borderDash[i] = obj3.getNum();
+             } else {
+               borderDash[i] = 1;
+             }
+             obj3.free();
+           }
+         }
+         obj2.free();
+       }
+      }
+    }
+  }
+  obj1.free();
+  if (dict->lookup("C", &obj1)->isArray() && obj1.arrayGetLength() == 3) {
+    if (obj1.arrayGet(0, &obj2)->isNum()) {
+      borderR = obj2.getNum();
+    }
+    obj1.free();
+    if (obj1.arrayGet(1, &obj2)->isNum()) {
+      borderG = obj2.getNum();
+    }
+    obj1.free();
+    if (obj1.arrayGet(2, &obj2)->isNum()) {
+      borderB = obj2.getNum();
+    }
+    obj1.free();
   }
   obj1.free();
+  borderStyle = new LinkBorderStyle(borderType, borderWidth,
+                                   borderDash, borderDashLength,
+                                   borderR, borderG, borderB);
 
   // look for destination
   if (!dict->lookup("Dest", &obj1)->isNull()) {
@@ -675,8 +777,12 @@ Link::Link(Dict *dict, GString *baseURI) {
 }
 
 Link::~Link() {
-  if (action)
+  if (borderStyle) {
+    delete borderStyle;
+  }
+  if (action) {
     delete action;
+  }
 }
 
 //------------------------------------------------------------------------