X-Git-Url: http://git.maemo.org/git/?p=gnuplot;a=blobdiff_plain;f=src%2Fpm3d.h;fp=src%2Fpm3d.h;h=d4d0d8a039c7b661c585e4f4ff3795f8573823b0;hp=0000000000000000000000000000000000000000;hb=39ec1247a71f61152a4a7f502a30f06a3896c5da;hpb=06be459be4f5f6a7c6ff878e84f355fb2575caa8

diff --git a/src/pm3d.h b/src/pm3d.h
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+/*
+ * $Id: pm3d.h,v 1.26 2006/06/15 15:42:33 sfeam Exp $
+ */
+
+/* GNUPLOT - pm3d.h */
+
+/*[
+ *
+ * Petr Mikulik, since December 1998
+ * Copyright: open source as much as possible
+ *
+ *
+ * What is here: #defines, global variables and declaration of routines for
+ * the pm3d plotting mode
+ *
+]*/
+
+
+/* avoid multiple includes */
+#ifdef HAVE_CONFIG_H
+#   include "config.h"
+#endif
+
+#ifndef TERM_HELP
+
+#ifndef PM3D_H
+#define PM3D_H
+
+#include "graph3d.h" /* struct surface_points */
+
+
+
+/****
+  Global options for pm3d algorithm (to be accessed by set / show)
+****/
+
+/* HBB NEW 20040311: setting this to 0 removes the pm3d option
+ * {transparent|solid} --- it's a duplicate of 'set grid front' */
+#ifndef PM3D_HAVE_SOLID
+# define PM3D_HAVE_SOLID 0
+#endif
+
+/*
+  where to plot pm3d: base or top (color map) or surface (color surface)
+  The string pm3d.where can be any combination of the #defines below.
+  For instance, "b" plot at botton only, "st" plots firstly surface, then top, etc.
+*/
+#define PM3D_AT_BASE	'b'
+#define PM3D_AT_TOP	't'
+#define PM3D_AT_SURFACE	's'
+
+/*
+  options for flushing scans (for pm3d.flush)
+  Note: new terminology compared to my pm3d program; in gnuplot it became
+  begin and right instead of left and right
+*/
+#define PM3D_FLUSH_BEGIN   'b'
+#define PM3D_FLUSH_END     'r'
+#define PM3D_FLUSH_CENTER  'c'
+
+/*
+  direction of taking the scans: forward = as the scans are stored in the
+  file; backward = opposite direction, i.e. like from the end of the file
+*/
+#define PM3D_SCANS_AUTOMATIC  'a'
+#define PM3D_SCANS_FORWARD    'f'
+#define PM3D_SCANS_BACKWARD   'b'
+#define PM3D_DEPTH            'd'
+
+/*
+  clipping method:
+    PM3D_CLIP_1IN: all 4 points of the quadrangle must be defined and at least
+		   1 point of the quadrangle must be in the x and y ranges
+    PM3D_CLIP_4IN: all 4 points of the quadrangle must be in the x and y ranges
+*/
+#define PM3D_CLIP_1IN '1'
+#define PM3D_CLIP_4IN '4'
+
+/*
+  is pm3d plotting style implicit or explicit?
+*/
+typedef enum {
+    PM3D_EXPLICIT = 0,
+    PM3D_IMPLICIT = 1
+} PM3D_IMPL_MODE;
+
+/*
+  from which corner take the color?
+*/
+typedef enum {
+    /* keep the following order of PM3D_WHICHCORNER_C1 .. _C4 */
+    PM3D_WHICHCORNER_C1 = 0, 	/* corner 1: first scan, first point   */
+    PM3D_WHICHCORNER_C2 = 1, 	/* corner 2: first scan, second point  */
+    PM3D_WHICHCORNER_C3 = 2, 	/* corner 3: second scan, first point  */
+    PM3D_WHICHCORNER_C4 = 3,	/* corner 4: second scan, second point */
+    /* now in any order */
+    PM3D_WHICHCORNER_MEAN    = 4, /* average z-value from all 4 corners */
+    PM3D_WHICHCORNER_GEOMEAN = 5, /* geometrical mean of 4 corners */
+    PM3D_WHICHCORNER_MEDIAN  = 6, /* median of 4 corners */
+    PM3D_WHICHCORNER_MIN     = 7, /* minimum of 4 corners */
+    PM3D_WHICHCORNER_MAX     = 8  /* maximum of 4 corners */
+} PM3D_WHICH_CORNERS2COLOR;
+
+/*
+  structure defining all properties of pm3d plotting mode
+  (except for the properties of the smooth color box, see color_box instead)
+*/
+typedef struct {
+  char where[7];	/* base, top, surface */
+  char flush;   	/* left, right, center */
+  char ftriangles;   	/* 0/1 (don't) draw flushing triangles */
+  char direction;	/* forward, backward */
+  char clip;		/* 1in, 4in */
+  int hidden3d_tag;     /* if this is > 0, pm3d hidden lines are drawn with
+			   this linestyle (which must naturally present). */
+#if PM3D_HAVE_SOLID
+  int solid;            /* if this is != 0, border tics and labels might be
+			   hidden by the surface */
+#endif
+  PM3D_IMPL_MODE implicit;
+			/* 1: [default] draw ALL surfaces with pm3d
+			   0: only surfaces specified with 'with pm3d' */
+  PM3D_WHICH_CORNERS2COLOR which_corner_color;
+			/* default: average color from all 4 points */
+  int interp_i;		/* # of interpolation steps along scanline */
+  int interp_j;		/* # of interpolation steps between scanlines */
+} pm3d_struct;
+
+
+extern pm3d_struct pm3d;
+
+
+/****
+  Declaration of routines
+****/
+
+int get_pm3d_at_option __PROTO((char *pm3d_where));
+void pm3d_depth_queue_clear __PROTO((void));
+void pm3d_depth_queue_flush __PROTO((void));
+void pm3d_reset __PROTO((void));
+void pm3d_draw_one __PROTO((struct surface_points* plots));
+double z2cb __PROTO((double z));
+double cb2gray __PROTO((double cb));
+void
+pm3d_rearrange_scan_array __PROTO((struct surface_points* this_plot,
+    struct iso_curve*** first_ptr, int* first_n, int* first_invert,
+    struct iso_curve*** second_ptr, int* second_n, int* second_invert));
+
+void set_plot_with_palette __PROTO((int plot_num, int plot_mode));
+
+TBOOLEAN is_plot_with_palette __PROTO((void));
+TBOOLEAN is_plot_with_colorbox __PROTO((void));
+
+#endif /* PM3D_H */
+
+#endif /* TERM_HELP */
+
+/* eof pm3d.h */