Mail Archives: cygwin/2018/09/03/16:42:43
Am 03.09.2018 um 22:27 schrieb Corinna Vinschen:
> On Sep 3 21:14, Corinna Vinschen wrote:
>> On Sep 3 20:20, Thomas Wolff wrote:
>>> Am 03.09.2018 um 19:56 schrieb Thomas Wolff:
>>>> Am 03.09.2018 um 19:16 schrieb Corinna Vinschen:
>>>>> On Sep 3 18:34, Thomas Wolff wrote:
>>>>>> Am 03.09.2018 um 16:59 schrieb Corinna Vinschen:
>>>>>>> Does anybody have an idea what I'm doing wrong?
>>>>>> This works in mintty, just uploaded a patch. Maybe somehow the
>>>>>> GetConsole
>>>>>> "dc" does not support this usage?
>>>>> ¯\_(ツ)_/¯
>>>> Dito; hold on, sorry, your code does *not* work inside mintty.
>>>> Mine looks a bit different and I thought to have manually verified it's
>>>> functionally equivalent, but indeed there must be something fishy...
>>> You still need to
>>> Â SelectObject(cdc, f);
>>> where f is the HFONT of the font you want to check.
>>> To compare, you may check out function win_check_glyphs in file wintext.c in
>>> mintty.
>> Thanks but I don't know how to get a HFONT for the current console font.
>>
>> In the meantime I figured out why my GetCurrentConsoleFontEx call
>> failed with error 87:
>>
>> When looking again I realized there's a member called cbSize. The MSDN
>> docs neglect to tell that the cbSize member has to be primed with
>> sizeof(CONSOLE_FONT_INFOEX). As soon as I tried that, the function
>> succeeded.
>>
>> Well, it's a start. I now have the actual font name. No idea how to
>> get a HFONT from there, though. From what I can tell ATM, I'd have to
>> call CreateFont to get a new HFONT and then destroy it again after
>> usage. This looks pretty wasteful.
> Well, it still doesn't work for me. I now have the following code:
>
> ===================== SNIP ======================
> #include <windows.h>
> #include <stdio.h>
> #include <wchar.h>
>
> int
> main ()
> {
> static const wchar_t replacement_char[2] =
> {
> 0xfffd, /* REPLACEMENT CHARACTER */
> 0x2592 /* MEDIUM SHADE */
> };
>
> CONSOLE_FONT_INFOEX cfi;
> HWND cwnd = GetConsoleWindow ();
> HDC cdc = GetDC (cwnd);
> int rp_idx = 1;
> WORD gi[2] = { 0, 0 };
>
> memset (&cfi, 0, sizeof cfi);
> cfi.cbSize = sizeof cfi;
> if (GetCurrentConsoleFontEx (GetStdHandle (STD_OUTPUT_HANDLE), FALSE, &cfi))
> {
> printf ("font %ls\n", cfi.FaceName);
> HFONT hf = CreateFontW (cfi.dwFontSize.Y, cfi.dwFontSize.X,
> 0, 0, cfi.FontWeight, FALSE, FALSE, FALSE,
> DEFAULT_CHARSET, OUT_DEFAULT_PRECIS,
> CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
> FIXED_PITCH | FF_DONTCARE, cfi.FaceName);
> if (hf)
> {
> HFONT old_f = SelectObject(cdc, hf);
> if (GetGlyphIndicesW (cdc, replacement_char, 2, gi,
> GGI_MARK_NONEXISTING_GLYPHS) != GDI_ERROR)
> {
> printf ("gi = %d %d\n", gi[0], gi[1]);
> if (gi[0] != 0xffff)
> rp_idx = 0;
> }
> if (old_f)
> old_f = SelectObject (cdc, old_f);
> DeleteObject (hf);
> }
> }
>
> printf ("rp_idx = %d\n", rp_idx);
> return 0;
> }
> ===================== SNAP ======================
>
> Supposedly none of the fonts support 0xfffd:
>
> $ gcc -g -o cons cons.c -lgdi32
> $ ./cons
> font Consolas
> gi = 65535 879
> rp_idx = 1
> $ ./cons
> font Lucida Console
> gi = 65535 620
> rp_idx = 1
> $ ./cons
> font Courier New
> gi = 65535 372
> rp_idx = 1
>
> So I'm still doing something wrong, apparently. Any hint?
Test with a font that has the glyph; those 3 don't. Try DejaVu.
--
Problem reports: http://cygwin.com/problems.html
FAQ: http://cygwin.com/faq/
Documentation: http://cygwin.com/docs.html
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
- Raw text -