asymptote 1.72 sources (not integrated into build yet)

git-svn-id: svn://tug.org/texlive/trunk@13110 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 65 insertions, 0 deletions

diff --git a/Build/source/utils/asymptote/drawclipend.h b/Build/source/utils/asymptote/drawclipend.h
new file mode 100644
index 00000000000..d6b2ef33199
--- /dev/null
+++ b/Build/source/utils/asymptote/drawclipend.h
@@ -0,0 +1,65 @@
+/*****
+ * drawclipend.h
+ * John Bowman
+ *
+ * End clip of picture to specified path.
+ *****/
+
+#ifndef DRAWCLIPEND_H
+#define DRAWCLIPEND_H
+
+#include "drawclipbegin.h"
+#include "path.h"
+
+namespace camp {
+
+class drawClipEnd : public drawElement {
+  bool grestore;  
+  drawClipBegin *partner;
+public:
+  drawClipEnd(bool grestore=true, drawClipBegin *partner=NULL) : 
+    grestore(grestore), partner(partner) {}
+
+  virtual ~drawClipEnd() {}
+
+  bool endclip() {return true;}
+  
+  void bounds(bbox& b, iopipestream&, boxvector&, bboxlist& bboxstack) {
+    if(bboxstack.size() < 2)
+      reportError("endclip without matching beginclip");
+    b.clip(bboxstack.back());
+    bboxstack.pop_back();
+    b += bboxstack.back();
+    bboxstack.pop_back();
+  }
+
+  bool endgroup() {return true;}
+  
+  void save(bool b) {
+    grestore=b;
+    if(partner) partner->save(b);
+  }
+  
+  bool draw(psfile *out) {
+    if(grestore) out->grestore();
+    return true;
+  }
+
+  bool write(texfile *out, const bbox& bpath) {
+    out->verbatimline(settings::endpicture(out->texengine));
+    out->verbatim("\\kern");
+    double width=bpath.right-bpath.left;
+    out->write(-width*ps2tex);
+    out->verbatim(settings::texunits(out->texengine));
+    out->verbatimline("%");
+    if(grestore) out->grestore();
+    return true;
+  }
+
+};
+
+}
+
+GC_DECLARE_PTRFREE(camp::drawClipEnd);
+
+#endif