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Make color plotting work.

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Prompted by:	Chris Timmons <skynyrd@opus.cts.cwu.edu>
This commit is contained in:
Bill Fenner 1998-08-01 07:36:52 +00:00
parent 23e083a348
commit 72f75f465e
2 changed files with 84 additions and 11 deletions
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11
math/xplot/files/patch-aa
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@ -53,14 +53,3 @@
#include "xplot.h"
#include "coord.h"
#include <stdio.h>
--- xplot.c.orig Wed Jan 22 09:38:48 1997
+++ xplot.c Mon Mar 3 11:41:31 1997
@@ -46,7 +46,7 @@
#include <X11/cursorfont.h>
#include <math.h>
#include <ctype.h>
-#include <malloc.h>
+#include <stdlib.h>
#include "xplot.h"
#include "coord.h"

84
math/xplot/files/patch-ab Normal file
View file

@ -0,0 +1,84 @@
--- xplot.c.orig Wed Jul 2 13:26:09 1997
+++ xplot.c Sat Aug 1 00:12:42 1998
@@ -46,7 +46,7 @@
#include <X11/cursorfont.h>
#include <math.h>
#include <ctype.h>
-#include <malloc.h>
+#include <stdlib.h>
#include "xplot.h"
#include "coord.h"
@@ -813,9 +813,7 @@
static struct dpy_info {
unsigned long line_plane_mask;
Colormap clr_map;
- XColor clr;
- unsigned long pixel[NCOLORS];
- int Colors[NCOLORS];
+ unsigned long Colors[NCOLORS];
int virgin;
Atom xplot_nagle_atom;
Display *saved_dpy;
@@ -842,38 +840,37 @@
/* Allocate some color cells */
if (d_i[d].virgin ) {
+ int usewhite;
+
d_i[d].virgin = 0;
d_i[d].xplot_nagle_atom = XInternAtom(pl->dpy, "XPLOT_NAGLE", False);
d_i[d].clr_map = DefaultColormap(pl->dpy, DefaultScreen(pl->dpy));
- if ( option_mono ||
-
- ! XAllocColorCells(pl->dpy,
- d_i[d].clr_map, 0,
- &d_i[d].line_plane_mask, 1,
- d_i[d].pixel, NColors) )
- {
- /* probably only one bit plane, or all the color cells are taken */
-#if 1
- if (! option_mono)
- fputs("XAllocColorCells failed, will only have one plot color\n",
- stderr);
-#endif
- for ( i = 0; i < NColors; i++) {
- d_i[d].Colors[i] = WhitePixelOfScreen(pl->screen);
- }
- } else {
- for (i = 0; i < NColors; i++) {
- XParseColor(pl->dpy, d_i[d].clr_map, ColorNames[i], &d_i[d].clr);
- d_i[d].clr.pixel = d_i[d].pixel[i];
- XStoreColor (pl->dpy, d_i[d].clr_map, &d_i[d].clr);
- d_i[d].clr.pixel |= d_i[d].line_plane_mask;
- XStoreColor (pl->dpy, d_i[d].clr_map, &d_i[d].clr);
- d_i[d].Colors[i] = d_i[d].clr.pixel;
+ if ( option_mono ) {
+ usewhite = 1;
+ } else {
+ usewhite = 0;
+
+ for (i = 0; i < NColors; i++) {
+ XColor alloc, exact;
+
+ if (XAllocNamedColor(pl->dpy, d_i[d].clr_map, ColorNames[i],
+ &alloc, &exact) == 0) {
+ XFreeColors(pl->dpy, d_i[d].clr_map, d_i[d].Colors, i, NULL);
+ usewhite = 1;
+ fprintf(stderr, "unable to allocate color \"%s\", falling back to only one plot color\n", ColorNames[i]);
+ break;
}
+ d_i[d].Colors[i] = alloc.pixel;
+ }
+ }
+ if ( usewhite ) {
+ for ( i = 0; i < NColors; i++) {
+ d_i[d].Colors[i] = WhitePixelOfScreen(pl->screen);
}
+ }
}
for (i = 0; i < NColors; i++) {