1 files changed, 78 insertions, 0 deletions
diff --git a/tksao/colorbar/colortag.C b/tksao/colorbar/colortag.C
new file mode 100644
index 0000000..3975cd8
--- /dev/null
+++ b/tksao/colorbar/colortag.C
@@ -0,0 +1,78 @@
+// Copyright (C) 1999-2016
+// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+// For conditions of distribution and use, see copyright notice in "copyright"
+
+#include "colortag.h"
+#include "colorbar.h"
+#include "util.h"
+
+static int colorTagSeqID = 1;
+
+ColorTag::ColorTag(Colorbar* p, int b, int e, const char* clr) 
+  : parent_(p), start_(b), stop_(e)
+{
+  id_ = colorTagSeqID++;
+
+  colorname_ = dupstr(clr);
+  color_ = parent_->getXColor(colorname_);
+
+  next_ =NULL;
+  previous_ =NULL;
+}
+
+ColorTag::~ColorTag()
+{
+  if (colorname_)
+    delete [] colorname_;
+}
+
+void ColorTag::move(int xx, int yy)
+{
+  int aa = start_+xx;
+  int bb = stop_+yy;
+
+  if (aa>=bb-20)
+    bb = aa+20;
+
+  if (bb>parent_->colorCount) {
+    bb = parent_->colorCount;
+    aa = parent_->colorCount - (stop_-start_);
+  }
+
+  if (aa<0) {
+    aa = 0;
+    bb = stop_-start_;
+  }
+
+  start_ =aa;
+  stop_ =bb;
+}
+
+void ColorTag::set(int start, int stop, const char* color)
+{
+  start_ = start;
+  stop_ = stop;
+  if (colorname_)
+    delete [] colorname_;
+  colorname_ = dupstr(color);
+  color_ = parent_->getXColor(colorname_);
+}
+
+void ColorTag::width(int size)
+{
+  int aa = start_-size/2;
+  int bb = stop_+size/2;
+
+  if (bb>parent_->colorCount) {
+    bb = parent_->colorCount;
+    aa = parent_->colorCount - size;
+  }
+
+  if (aa<0) {
+    aa = 0;
+    bb = size;
+  }
+
+  start_ =aa;
+  stop_ =bb;
+}