/*
*
* Create the masks object
*
*/
SkMasks* SkMasks::CreateMasks(InputMasks masks, uint32_t bitsPerPixel) {
// Trim the input masks according to bitsPerPixel
if (bitsPerPixel < 32) {
masks.red &= (1 << bitsPerPixel) - 1;
masks.green &= (1 << bitsPerPixel) - 1;
masks.blue &= (1 << bitsPerPixel) - 1;
masks.alpha &= (1 << bitsPerPixel) - 1;
}
// Check that masks do not overlap
if (((masks.red & masks.green) | (masks.red & masks.blue) |
(masks.red & masks.alpha) | (masks.green & masks.blue) |
(masks.green & masks.alpha) | (masks.blue & masks.alpha)) != 0) {
return nullptr;
}
// Collect information about the masks
const MaskInfo red = process_mask(masks.red, bitsPerPixel);
const MaskInfo green = process_mask(masks.green, bitsPerPixel);
const MaskInfo blue = process_mask(masks.blue, bitsPerPixel);
const MaskInfo alpha = process_mask(masks.alpha, bitsPerPixel);
return new SkMasks(red, green, blue, alpha);
}
void Def::
process_ctype ()
{
issue_diag (I_STAGE, false, 0, "processing %s section\n", lc_name);
ctype_def_found_ = true;
// used in processing the copy/include directive
int nesting_level = 0;
while ((next = scanner_.next_token()).token != Scanner::tok_ctype) {
switch(next.token) {
case Scanner::tok_copy: {
// when we see the copy directive in the ctype definition we
// are going to either create the shared database and create a
// symbolic link to it, or we are going to create a symbolic link
// to the already existing shared ctype database.
next = scanner_.next_token();
if (next.token != Scanner::tok_string)
issue_diag (E_SYNTAX, true, &next,
"expected string following \"copy\" directive\n");
#if !defined (_WIN32) && !defined (__CYGWIN__)
ctype_symlink_ = true;
// first lets make sure that the ctype database for this
// locale hasn't already been generated
ctype_filename_ = output_name_;
// strip off the last directory
ctype_filename_ = ctype_filename_.substr
(0, ctype_filename_.rfind
(_RWSTD_PATH_SEP, ctype_filename_.length() - 1) + 1);
ctype_filename_ += strip_quotes(next.name);
ctype_filename_ += ".ctype.";
ctype_filename_ += charmap_.get_charmap_name();
std::ifstream f (ctype_filename_.c_str(), std::ios::binary);
if (f) {
// the database exists so simply create a sym link to it
ctype_written_ = true;
f.close();
continue;
}
#endif // !_WIN32 && !__CYGWIN__
// bump up the nesting level
nesting_level++;
issue_diag (I_STAGE, false, 0, "processing copy directive\n");
// open the file
scanner_.open (get_pathname (strip_quotes (next.name), next.file));
// get comment char and escape char;
// these informations are stored by the scanner
while ((next = scanner_.next_token ()).token
!= Scanner::tok_ctype ){
// the LC_IDENTIFICATION section may also have a
// LC_CTYPE token that will mess up the parsing
if (next.token == Scanner::tok_ident) {
while ((next = scanner_.next_token()).token
!= Scanner::tok_end );
next = scanner_.next_token();
}
}
break;
}
case Scanner::tok_nl:
break;
case Scanner::tok_upper:
process_mask (std::ctype_base::upper, "upper");
break;
case Scanner::tok_lower:
process_mask (std::ctype_base::lower, "lower");
break;
case Scanner::tok_alpha:
process_mask (std::ctype_base::alpha, "alpha");
break;
case Scanner::tok_digit:
process_mask (std::ctype_base::digit, "digit");
break;
case Scanner::tok_space:
process_mask (std::ctype_base::space, "space");
break;
case Scanner::tok_cntrl:
process_mask (std::ctype_base::cntrl, "cntrl");
break;
case Scanner::tok_punct:
process_mask (std::ctype_base::punct, "punct");
break;
case Scanner::tok_graph:
process_mask (std::ctype_base::graph, "graph");
break;
case Scanner::tok_print:
process_mask (std::ctype_base::print, "print");
break;
case Scanner::tok_xdigit:
process_mask (std::ctype_base::xdigit, "xdigit");
break;
case Scanner::tok_toupper:
process_upper_lower (Scanner::tok_toupper);
break;
case Scanner::tok_tolower:
process_upper_lower (Scanner::tok_tolower);
break;
case Scanner::tok_blank:
scanner_.ignore_line();
break;
case Scanner::tok_xlit_start:
process_xlit ();
break;
case Scanner::tok_end:
next = scanner_.next_token();
if (next.token == Scanner::tok_ctype) {
// end of ctype block
if (nesting_level == 0)
return;
nesting_level--;
scanner_.close ();
} else
issue_diag (E_SYNTAX, true, &next,
"wrong section name in END directive\n");
break;
default:
// ignore locale specific character classes because the c++
// library does not make use of them
scanner_.ignore_line();
break;
}
}
}
