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253 Commits

Author SHA1 Message Date
Holger Vogt b7bd59c22c On Linux: allow calling gnuplot without invoking a terminal. 
Reported by Terry Pilling
 2019-11-24 12:40:28 +01:00
Holger Vogt ec6d676920 Make CopyGraph safe against NULL argument. 
Otherwise memcpy will fail.
 2019-09-14 12:38:57 +02:00
Holger Vogt afdf3ff710 Partially undo commit 016c558d7, 2019-05-01 
If sacles for plotting differ, issue a warning.
Skip this plot command only, when strict_errorhandling is set.
 2019-08-13 23:27:15 +02:00
Holger Vogt 8af1663bba Try to detect, if one wants to plot vectors with 
different scale vectors into the same graph.
Issue a warning and skip the plot command.
 2019-08-13 23:26:58 +02:00
Holger Vogt 31db4228f5 fix a typo, correct writing to files under Linux 2019-08-13 22:53:41 +02:00
Holger Vogt 52584312c3 delete the plt and data files after writing eps or png 
(only if gnuplot_terminal is set to eps/quit of png/quit)
 2019-08-13 22:53:32 +02:00
Holger Vogt 8efa08602a no plotting, only saving to file 
if gnuplot_terminal is eps/quit or png/quit
 2019-08-13 22:53:24 +02:00
Holger Vogt 601dfbd781 sprintf -> snprintf: prevent buffer overflow 2019-08-13 22:53:13 +02:00
Holger Vogt ec4625eda6 redo gnuplot_terminal: Do not save eps/png automatically 
none      1: do not print an eps or png file (default)
png       2: print png file, keep command window open
png/quit  3: print png file, quit command window
eps       4: print eps file, keep command window open
eps/quit  5: print eps file, quit command window
 2019-08-13 22:53:00 +02:00
Holger Vogt 2344e3d012 patch no. 30 by astx: 
don't show command window if gnuplot_terminal is set to png/quit
 2019-08-13 22:52:49 +02:00
Holger Vogt 65ee87e0a2 grid.c, windisp.c, vertical text for postscript and WINGUI 
Arial as standard font for WINGUI
 2018-11-18 15:51:09 +01:00
Holger Vogt 56701e3d10 add rotation angle to text output, currently used only by postscript, 
ignored by all others
 2018-11-18 15:50:56 +01:00
dwarning cc4e4d9bad verify pointer before utilization 2018-11-18 15:45:12 +01:00
Holger Vogt 94fa272c9d A hack to repair bug reported by Clyde R. Shappee 2018-10-27 12:28:01 +02:00
Holger Vogt e3b2b395b9 fix an ancient bug in retrieving the data with the cursor 
from a log y graph: use y-offset instead of x-offset
 2018-07-26 20:55:21 +02:00
Holger Vogt 8fbcb16a57 add fourth parameter to cp_getvar(), in functions missing so far 2018-07-22 14:58:25 +02:00
Holger Vogt 09c876550f prevent string overflow by adding the string length 
to the cp_getvar parameters. Used only with CP_STRING
 2018-07-22 14:57:49 +02:00
Holger Vogt 417dbfef72 undo the previous commits dealing with snprintf, 
use the C99 compliant function also with MS Visual Studio
 2018-05-31 11:37:51 +02:00
Holger Vogt 3b4640dee4 _snprintf in Windows 7 does not automatically put a '\0' 
to the end of the buffer, only if there is space available.
That will change in the future if Snprintf is used.
 2018-05-31 10:24:09 +02:00
h_vogt c8cd763314 gnuplot.c, add 'noretraceplot' to prevent retracing of the graph if plotting against a vector which is not the original scale vector ('plot vec1 vs vec2') 2018-05-18 17:25:48 +02:00
h_vogt d4adb027d2 avoid retrace in output graph by adding label 'noretraceplot' 
to the plot command, that creates a lin plot trying to avoid retracing
 2018-05-18 17:08:27 +02:00
Holger Vogt 560cb6e970 plotting/grid.c, bug fix, avoid string buffer overflow 
Prevent a crash of example/FFT_test.cir.
Buffer 'buf' in function drawlingrid() has been too small.
Increase 'buf' size, and add some protection.

The example file examples/plot/test-small-plot.cir
shows the limits of plotting:
  difference in two numbers at digit 14 is plotted well.
                            at digit 15 is plotted with bugs.
                            at digit 16 is reduced to integer.

consider compiling with
  -O1 -D_FORTIFY_SOURCE=2
for gcc, and
  /GS
for visual studio.
 2018-01-27 21:58:15 +01:00
rlar 91c60c28df whitespace change, avoid gcc warnings due to missleading indentation 2017-09-16 20:38:27 +02:00
h_vogt b3827f6488 gnuplot.c, correct the setting of limits in log plots 2017-09-16 20:37:24 +02:00
h_vogt e5d70d0821 gnuplot.c, bug fix, allow gnuplot with MINGW 2017-04-09 17:53:40 +02:00
rlar 99e864b6bc graf.c, drop an excess cast 2016-10-15 15:06:18 +02:00
rlar aca1b3a374 use 'abs()' 2016-10-15 15:06:17 +02:00
h_vogt 6f609abc27 x11.c, fix bug #330, rename csh variable font -> xfont 
reported by graahnul.grom in
  #330 setting xfont in .spiceinit has no effect
  https://sourceforge.net/p/ngspice/bugs/330/
 2016-10-15 15:06:16 +02:00
h_vogt c0d5d054ab gnuplot.c, ft_gnuplot(), suppress generating the .eps and .png file 
when the given output file name starts with "np_"
 2016-10-15 12:58:29 +02:00
h_vogt 42ac9a2859 gnuplot.c, ft_writesimple(), upgrade command 'wrdata' 
- remove a bug to allow printing of vectors with differing scale lengths
- add option 'numdgt' to specify the width of the numbers printed
- add variable wr_singlescale
  use 'set wr_singlescale' to print the scale vector only once
  (vectors need to have equal scale lengths)
- add variable wr_vecnames
  use 'set wr_vecnames' to print the vector names to the first row
 2016-10-15 12:57:46 +02:00
h_vogt fef2e1439d gnuplot.c, ft_writesimple(), command 'wrdata', use the given filename literally 2016-10-15 12:43:19 +02:00
rlar 141ed61ec8 use memcpy() instead of deprecated bcopy() 2016-07-30 20:58:19 +02:00
h_vogt 841f2846fe plotit.c, properly free a reversed wordlist 2016-04-01 18:05:40 +02:00
rlar 9652cc46c8 plotting/graf.c, cleanup 2016-03-23 17:04:55 +01:00
rlar b1d8b99018 skip-ws, #6/6, rename to match inpcom.c 2016-03-22 15:26:10 +01:00
rlar 22875d056b skip-ws, #5/6, use functional style 2016-03-22 15:26:09 +01:00
rlar a86f2068c8 skip-ws, #3/6, use TEMPORARY macros, obj-invariant 2016-03-22 15:26:06 +01:00
rlar 6d1171ad6f skip-ws, #2/6, introduce "ngspice/stringskip.h" 
with some temporary macros to skip whitespace
 2016-03-22 15:26:05 +01:00
rlar 40a0cea0d2 swap some `SWAP' arguments for readability 2016-03-22 15:23:05 +01:00
rlar bd0bc3038b use `SWAP' macro 2016-03-22 13:04:13 +01:00
rlar 6fe937f931 drop unused `SWAPINT' macro 2016-03-21 21:22:23 +01:00
rlar 71a7c3459b use char variants of the <ctype.h> isxxxx() family 2016-03-09 20:24:36 +01:00
rlar 8ce99a3c66 plotting/graf.c, bug fix, dbfree1() is wanted instead of dbfree() 2016-03-09 18:23:22 +01:00
rlar df70661c3a dvec abstraction, #11/11, introduce `dvec_realloc()' 2015-12-28 20:34:42 +01:00
rlar c2a7821449 dvec abstraction, #10/11, introduce `dvec_trunc()' 2015-12-28 20:34:42 +01:00
rlar 3962453739 dvec abstraction, #9/11, introduce `dvec_free()' 2015-12-28 20:34:42 +01:00
rlar 8243696338 dvec abstraction, #8/11, upgrade `dvec_alloc()' 2015-12-28 20:34:42 +01:00
rlar 908c650f72 dvec abstraction, #3/11, use `dvec_alloc()' 2015-12-28 20:34:42 +01:00
rlar 08ad3f6ab5 dvec abstraction, #1/11, reorder 2015-12-28 20:34:42 +01:00
rlar 68bd883535 plotting/graf.c, collect related global variables in a struct 2015-12-27 12:08:48 +01:00