From: Janne Grunau j@jannau.net
Draw symbols from Unicode's "Geometric shapes" page which translate to code page 437 code points 1-31. These are used by UEFI applications to draw user interfaces using EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL. The output has to be checked manually on the screen for correctness.
Signed-off-by: Janne Grunau j@jannau.net --- lib/efi_selftest/efi_selftest_textoutput.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/lib/efi_selftest/efi_selftest_textoutput.c b/lib/efi_selftest/efi_selftest_textoutput.c index b56fd2ab76..2208a9877a 100644 --- a/lib/efi_selftest/efi_selftest_textoutput.c +++ b/lib/efi_selftest/efi_selftest_textoutput.c @@ -60,6 +60,13 @@ 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";
+ const u16 shapes[] = +u"Geometric shapes as described\n" +u"U+25B2 \u25B2 - Black up-pointing triangle\n" +u"U+25BA \u25BA - Black right-pointing pointer\n" +u"U+25BC \u25BC - Black down-pointing triangle\n" +u"U+25C4 \u25C4 - Black left-pointing pointer\n"; + /* SetAttribute */ efi_st_printf("\nColor palette\n"); for (foreground = 0; foreground < 0x10; ++foreground) { @@ -160,6 +167,12 @@ u"\u2500\u2500\u2500\u2500\u2518\n"; return EFI_ST_FAILURE; } efi_st_printf("\n"); + ret = con_out->output_string(con_out, shapes); + if (ret != EFI_ST_SUCCESS) { + efi_st_error("OutputString failed for geometric shapes\n"); + return EFI_ST_FAILURE; + } + efi_st_printf("\n");
return EFI_ST_SUCCESS; }