From: Andre Przywara andre.przywara@arm.com
UEFI applications rely on Unicode output capability, and might use that for drawing pseudo-graphical interfaces using Unicode defined box drawing characters.
Add a simple test to display the most basic box characters, which would need to be checked manually on the screen for correctness.
Signed-off-by: Andre Przywara andre.przywara@arm.com Suggested-by: Heinrich Schuchardt xypron.glpk@gmx.de Signed-off-by: Janne Grunau j@jannau.net --- lib/efi_selftest/efi_selftest_textoutput.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/lib/efi_selftest/efi_selftest_textoutput.c b/lib/efi_selftest/efi_selftest_textoutput.c index 917903473d..b56fd2ab76 100644 --- a/lib/efi_selftest/efi_selftest_textoutput.c +++ b/lib/efi_selftest/efi_selftest_textoutput.c @@ -46,6 +46,20 @@ u"U+03BB \u03BB - Greek small letter lambda\n" u"U+03C2 \u03C2 - Greek small letter final sigma\n" u"U+1F19 \u1F19 - Greek capital letter epsilon with dasia\n";
+ const u16 boxes[] = +u"This should render as four boxes with text\n" +u"\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500" +u"\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500" +u"\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502" +u" left top \u2502 right top \u2502\n\u251c\u2500" +u"\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500" +u"\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500" +u"\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502 " +u"left bottom \u2502 right bottom \u2502\n\u2514\u2500\u2500\u2500" +u"\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534" +u"\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500" +u"\u2500\u2500\u2500\u2500\u2518\n"; + /* SetAttribute */ efi_st_printf("\nColor palette\n"); for (foreground = 0; foreground < 0x10; ++foreground) { @@ -140,6 +154,12 @@ u"U+1F19 \u1F19 - Greek capital letter epsilon with dasia\n"; return EFI_ST_FAILURE; } efi_st_printf("\n"); + ret = con_out->output_string(con_out, boxes); + if (ret != EFI_ST_SUCCESS) { + efi_st_error("OutputString failed for box drawing chars\n"); + return EFI_ST_FAILURE; + } + efi_st_printf("\n");
return EFI_ST_SUCCESS; }