aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/glu/sgi/libnurbs/internals/trimregion.h
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2009-10-09 06:31:44 +0000
committermarha <marha@users.sourceforge.net>2009-10-09 06:31:44 +0000
commit06456f5db88b434c3634ede42bdbfdce78fc4249 (patch)
tree97f5174e2d3da40faee7f2ad8858233da3d0166e /mesalib/src/glu/sgi/libnurbs/internals/trimregion.h
parent7b230a3fe2d6c83488d9eec43067fe8ba8ac081b (diff)
parenta0c4815433ccd57322f4f7703ca35e9ccfa59250 (diff)
downloadvcxsrv-06456f5db88b434c3634ede42bdbfdce78fc4249.tar.gz
vcxsrv-06456f5db88b434c3634ede42bdbfdce78fc4249.tar.bz2
vcxsrv-06456f5db88b434c3634ede42bdbfdce78fc4249.zip
svn merge ^/branches/released . --username marha
Diffstat (limited to 'mesalib/src/glu/sgi/libnurbs/internals/trimregion.h')
-rw-r--r--mesalib/src/glu/sgi/libnurbs/internals/trimregion.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/mesalib/src/glu/sgi/libnurbs/internals/trimregion.h b/mesalib/src/glu/sgi/libnurbs/internals/trimregion.h
new file mode 100644
index 000000000..ee15d7b98
--- /dev/null
+++ b/mesalib/src/glu/sgi/libnurbs/internals/trimregion.h
@@ -0,0 +1,84 @@
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+/*
+ * trimregion.h
+ *
+ */
+
+#ifndef __glutrimregion_h_
+#define __glutrimregion_h_
+
+#include "trimline.h"
+#include "gridline.h"
+#include "uarray.h"
+
+class Arc;
+class Backend;
+
+class TrimRegion {
+public:
+ TrimRegion();
+ Trimline left;
+ Trimline right;
+ Gridline top;
+ Gridline bot;
+ Uarray uarray;
+
+ void init( REAL );
+ void advance( REAL, REAL, REAL );
+ void setDu( REAL );
+ void init( long, Arc_ptr );
+ void getPts( Arc_ptr );
+ void getPts( Backend & );
+ void getGridExtent( TrimVertex *, TrimVertex * );
+ void getGridExtent( void );
+ int canTile( void );
+private:
+ REAL oneOverDu;
+};
+
+inline void
+TrimRegion::init( REAL vval )
+{
+ bot.vval = vval;
+}
+
+inline void
+TrimRegion::advance( REAL topVindex, REAL botVindex, REAL botVval )
+{
+ top.vindex = (long) topVindex;
+ bot.vindex = (long) botVindex;
+ top.vval = bot.vval;
+ bot.vval = botVval;
+ top.ustart = bot.ustart;
+ top.uend = bot.uend;
+}
+#endif /* __glutrimregion_h_ */