fix_border_issues() does not work correctly with merge_v() and hline()

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Hi everyone

I am trying to merge a column and then create horizontal lines that split each level of the factor. When I merge the first column, the horizontal line works for printing of the table, but it does not work for the plotting, which is then used in save_as_image() from what I can tell. Seems to be an error but cannot work out where or how to fix it.

Below is reproducible code I took from fix_border_issues() and amended slightly.

library(officer)
library(flextable)

dat <- data.frame(a = c(1,1,2,2,5), b = 6:10)

ft <- flextable(dat)
ft <- merge_v(ft, ~a, part = "body")
ft <- hline(ft,
            i = 2, part = "body",
            border = fp_border(color = "red")
)

print(ft)
plot(ft)

ft <- fix_border_issues(ft)

print(ft)
plot(ft)

ft <-  hline(ft,
             i = c(1, 2), j =1,  part = "body",
             border = fp_border(color = "red")
)

plot(ft)

Session Info:

R version 4.3.2 (2023-10-31)
Platform: aarch64-apple-darwin20 (64-bit)
Running under: macOS Sonoma 14.1.1

Matrix products: default
BLAS:   /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib 
LAPACK: /Library/Frameworks/R.framework/Versions/4.3-arm64/Resources/lib/libRlapack.dylib;  LAPACK version 3.11.0

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

time zone: Europe/London
tzcode source: internal

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
 [1] officer_0.6.4   patchwork_1.1.3 flextable_0.9.4 lubridate_1.9.3 forcats_1.0.0  
 [6] stringr_1.5.1   dplyr_1.1.4     purrr_1.0.2     readr_2.1.4     tidyr_1.3.0    
[11] tibble_3.2.1    ggplot2_3.4.4   tidyverse_2.0.0 secsse_3.0.2   

loaded via a namespace (and not attached):
 [1] gtable_0.3.4            xfun_0.41               lattice_0.22-5         
 [4] tzdb_0.4.0              vctrs_0.6.5             tools_4.3.2            
 [7] generics_0.1.3          stats4_4.3.2            curl_5.1.0             
[10] fansi_1.0.5             pkgconfig_2.0.3         Matrix_1.6-3           
[13] data.table_1.14.8       RColorBrewer_1.1-3      MuMIn_1.47.5           
[16] uuid_1.1-1              RcppParallel_5.1.7      lifecycle_1.0.4        
[19] farver_2.1.1            compiler_4.3.2          textshaping_0.3.7      
[22] munsell_0.5.0           httpuv_1.6.12           fontquiver_0.2.1       
[25] fontLiberation_0.1.0    htmltools_0.5.7         yaml_2.3.7             
[28] pillar_1.9.0            later_1.3.1             crayon_1.5.2           
[31] gfonts_0.2.0            ellipsis_0.3.2          openssl_2.1.1          
[34] nlme_3.1-163            mime_0.12               fontBitstreamVera_0.1.1
[37] zip_2.3.0               tidyselect_1.2.0        digest_0.6.33          
[40] stringi_1.8.3           labeling_0.4.3          fastmap_1.1.1          
[43] grid_4.3.2              colorspace_2.1-0        cli_3.6.2              
[46] magrittr_2.0.3          librarian_1.8.1         crul_1.4.0             
[49] utf8_1.2.4              withr_2.5.2             gdtools_0.3.4          
[52] scales_1.2.1            promises_1.2.1          timechange_0.2.0       
[55] rmarkdown_2.25          ragg_1.2.6              askpass_1.2.0          
[58] hms_1.1.3               evaluate_0.23           shiny_1.8.0            
[61] knitr_1.45              rlang_1.1.2             Rcpp_1.0.11            
[64] xtable_1.8-4            glue_1.6.2              httpcode_0.3.0         
[67] xml2_1.3.5              pkgload_1.3.3           rstudioapi_0.15.0      
[70] jsonlite_1.8.8          R6_2.5.1                systemfonts_1.0.5     

[davidgohel]

thanks, it should be fixed now

dat <- data.frame(a = c(1, 1, 2, 2, 5), b = 6:10)

ft <- flextable(dat)
ft <- merge_v(ft, ~a, part = "body")
ft <- hline(
  x = ft,
  i = 2, part = "body",
  border = fp_border(color = "red")
)

path <- save_as_image(ft, path = tempfile(fileext = ".png"), res = 150)
browseURL(path)

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