interesting
/
libui
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Started putting the typographical features attributes into the example program.

This commit is contained in:
Pietro Gagliardi 2017-02-15 23:52:16 -05:00
parent 3e941d008e
commit dcc01f5b01
2 changed files with 75 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
examples/drawtext/attributes.c
View File

@ -165,7 +165,74 @@ static void setupAttributedString(void)
uiAttributedStringAppendUnattributed(attrstr, ", ");
next = "multiple TODO";
next = "or any combination of the above";
// TODO
uiAttributedStringAppendUnattributed(attrstr, ". In addition, a variety of typographical features are available (depending on the chosen font) that can be switched on (or off, if the font enables them by default): ");
next = "fi";
uiAttributedStringAppendUnattributed(attrstr, "standard ligatures like f+i (");
start = uiAttributedStringLen(attrstr);
end = start + strlen(next);
uiAttributedStringAppendUnattributed(attrstr, next);
spec.Type = uiAttributeStandardLigatures;
spec.Value = 1;
uiAttributedStringSetAttribute(attrstr, &spec, start, end);
uiAttributedStringAppendUnattributed(attrstr, ")");
uiAttributedStringAppendUnattributed(attrstr, ", ");
// note the use of RTL embeds to make sure the bidi algorithm doesn't kick in for our demonstration (it will produce incorrect results)
// see also: https://www.w3.org/International/articles/inline-bidi-markup/#nomarkup
next = "\xD9\x84\xD8\xA7";
uiAttributedStringAppendUnattributed(attrstr, "required ligatures like \xE2\x80\xAB\xD9\x84\xE2\x80\xAC+\xE2\x80\xAB\xD8\xA7\xE2\x80\xAC (\xE2\x80\xAB");
start = uiAttributedStringLen(attrstr);
end = start + strlen(next);
uiAttributedStringAppendUnattributed(attrstr, next);
spec.Type = uiAttributeRequiredLigatures;
spec.Value = 1;
uiAttributedStringSetAttribute(attrstr, &spec, start, end);
uiAttributedStringAppendUnattributed(attrstr, "\xE2\x80\xAC)");
uiAttributedStringAppendUnattributed(attrstr, ", ");
next = "ct";
uiAttributedStringAppendUnattributed(attrstr, "discretionary/rare ligatures like c+t (");
start = uiAttributedStringLen(attrstr);
end = start + strlen(next);
uiAttributedStringAppendUnattributed(attrstr, next);
spec.Type = uiAttributeDiscretionaryLigatures;
spec.Value = 1;
uiAttributedStringSetAttribute(attrstr, &spec, start, end);
uiAttributedStringAppendUnattributed(attrstr, ")");
uiAttributedStringAppendUnattributed(attrstr, ", ");
next = "the";
uiAttributedStringAppendUnattributed(attrstr, "contextual ligatures like h+e in the (");
start = uiAttributedStringLen(attrstr);
end = start + strlen(next);
uiAttributedStringAppendUnattributed(attrstr, next);
spec.Type = uiAttributeContextualLigatures;
spec.Value = 1;
uiAttributedStringSetAttribute(attrstr, &spec, start, end);
uiAttributedStringAppendUnattributed(attrstr, ")");
uiAttributedStringAppendUnattributed(attrstr, ", ");
next = "\xC3\x9F";
uiAttributedStringAppendUnattributed(attrstr, "historical ligatures like the decomposition of \xC3\x9F (");
start = uiAttributedStringLen(attrstr);
end = start + strlen(next);
uiAttributedStringAppendUnattributed(attrstr, next);
spec.Type = uiAttributeHistoricalLigatures;
spec.Value = 1;
uiAttributedStringSetAttribute(attrstr, &spec, start, end);
uiAttributedStringAppendUnattributed(attrstr, ")");
uiAttributedStringAppendUnattributed(attrstr, ", ");
// TODO unicase
}
static char fontFamily[] = "Times New Roman";

7
examples/drawtext/main.c
View File

@ -5,6 +5,13 @@
// - occasional segfaults on startup
// - very rare size attributes in the attributed string example don't terminate for a while, making everything big
// - very very rare trace/bpt faults on startup
/*
objc[14827]: autorelease pool page 0x7feeab88b000 corrupted
magic 0xe000007f 0xeea9f2df 0x0000007f 0xeea9f2e0
should be 0xa1a1a1a1 0x4f545541 0x454c4552 0x21455341
pthread 0x0
should be 0x7fff727a1000
*/
static uiWindow *mainwin;
static uiBox *box;