1 files changed, 195 insertions, 0 deletions
diff --git a/src/graph/view3D/contour.h b/src/graph/view3D/contour.h
new file mode 100755
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+++ b/src/graph/view3D/contour.h
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+/*
+Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    - Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    - Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the
+      distribution.
+
+    - Neither the name of The Numerical ALgorithms Group Ltd. nor the
+      names of its contributors may be used to endorse or promote products
+      derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+  /***********************************************************************
+    contour.h
+   ***********************************************************************/
+#define segDEBUG
+
+/* #define contour -100*/
+
+#define CONTOUR_float double
+#define ACTIVE_poly_struct poly
+
+#define line_crosses_plane(z_min, z_max, z_val) \
+  ((z_min < z_val) && (z_max >= z_val))
+
+#ifdef oldie
+typedef struct _active_poly_struct {
+  struct _active_poly_struct *next;
+  int num;
+  struct _poly *polygon;
+} active_poly_struct;
+#endif
+
+typedef struct _segment_struct {
+  struct _segment_struct *next;
+  struct _viewTriple     *point1, *point2;
+} segment_struct;
+
+typedef struct _segment_list_struct {
+  int		  num_segs;
+  segment_struct *segments;
+  int num, max_num;  /* num=slice num, max_num=#slices for this contour */
+} segment_list_struct;
+
+  /*=====================================================================*
+    Macro Definitions
+   *=====================================================================*/
+#define foreach_slice(index, slice, slice_list, max_slices) 	\
+  for (index=0;							\
+       (index<max_slices) && (int)(slice=(slice_list+index)); 	\
+       index++)
+#define foreach_segment(seg, slice, fl)				\
+  for (seg=slice->segments; (fl) && (seg != NIL(segment_struct)); seg=seg->next)
+
+#define foreach_segment_old(idx, s, sl, max, fl) \
+  for (idx=0; idx<max; idx++) 					\
+    for (s=(sl+idx)->segments; (fl) && (s != NIL(segment_struct)); s=s->next)
+
+  /*---------------------------------------------------------------------*
+    interface stuff
+   *---------------------------------------------------------------------*/
+#ifdef oldie
+#define contourCursorForeground moColor(red1, light)
+#define contourCursorBackground moColor(green0, normal)
+#else
+#define contourCursorForeground monoColor(68)
+#define contourCursorBackground monoColor(197)
+#endif
+
+#define contourMASK	ExposureMask
+
+#define contourPlaneTextCOLOR 28
+
+        /*---------------------------------------------------*
+	  title, dividing lines & stuff
+         *---------------------------------------------------*/
+#define contourTitleColor moColor(blue0, normal)
+#define contourTitleA	190
+#define contourTitleB	217
+
+#define dotSize 8
+#define dotExt  12
+#define dotColor moColor(red2, pastel)
+
+        /*---------------------------------------------------*
+	  Button Positions & Dimensions
+         *---------------------------------------------------*/
+#define contourPlaneXY_X 150
+#define contourPlaneXY_Y 250
+#define contourPlaneXZ_X 190
+#define contourPlaneXZ_Y 250
+#define contourPlaneYZ_X 230
+#define contourPlaneYZ_Y 250
+#define contourLittleButt_W 20
+#define contourLittleButt_H 20
+
+#define contourFlatView_X 120
+#define contourFlatView_Y 290
+#define contourAppendSegs_X 120
+#define contourAppendSegs_Y 320
+#ifdef oldie
+#define contourBigButt_W  170 
+#define contourBigButt_H   20 
+#else
+#define contourBigButt_W  10 
+#define contourBigButt_H  10 
+#endif
+        /*---------------------------------------------------*
+	  Line & button colors
+         *---------------------------------------------------*/
+#define abort_FG      moColor(red1, pastel)
+#define return_FG     moColor(green2, pastel)
+#define littleButt_FG moColor(yellow0, pastel)
+#define bigButt_FG    moColor(orange1, pastel)
+
+        /*---------------------------------------------------*
+	  longitude part
+         *---------------------------------------------------*/
+#define contourLongitude_X  10
+#define contourLongitude_Y  55
+#define contourLongitude_W  135
+#define contourLongitude_H  120
+
+#define long_FG        moColor(green1, normal)
+#define long_corner_X  36
+#define long_corner_Y  72
+#define long_RADIUS    40
+#define long_W         (long_RADIUS<<1)
+#define long_H         (long_RADIUS<<1)
+
+#define long_center_X  (long_corner_X + long_RADIUS)
+#define long_center_Y  (long_corner_Y + long_RADIUS)
+
+#define long_str_X 15
+#define long_str_Y 48
+
+        /*---------------------------------------------------*
+	  latitude part
+         *---------------------------------------------------*/
+#define contourLatitude_X   160
+#define contourLatitude_Y   55
+#define contourLatitude_W   135
+#define contourLatitude_H   120
+
+#define lat_FG        moColor(green1, normal)
+#define lat_corner_X  130
+#define lat_corner_Y  85
+#define lat_RADIUS    60
+#define lat_W         (lat_RADIUS<<1)
+#define lat_H         (lat_RADIUS<<1)
+#define lat_quad_X    (lat_corner_X + lat_RADIUS)
+#define lat_quad_Y    (lat_corner_Y + lat_RADIUS)
+
+#define lat_str_X 176
+#define lat_str_Y 48
+
+        /*---------------------------------------------------*
+	  slice part
+         *---------------------------------------------------*/
+#define contourSliceNum_X   10
+#define contourSliceNum_Y   245
+#define contourSliceNum_W   90
+#define contourSliceNum_H   115
+
+#define slice_FG        moColor(red1, normal)
+
+#define slice_str_X 20
+#define slice_str_Y 240
+#define slicer_image_X 50
+#define slicer_image_Y 253
+
+#define MAX_SLICES 100
+