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Make Pango-handled text accept legacy CP1252-encoded text - continued

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This commit is contained in:
ManoloFLTK 2024-10-10 18:18:52 +02:00
parent f87d7a71c0
commit 013e939c93
1 changed files with 6 additions and 6 deletions
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12
src/drivers/Cairo/Fl_Cairo_Graphics_Driver.cxx
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@ -1311,11 +1311,11 @@ void Fl_Cairo_Graphics_Driver::font(Fl_Font fnum, Fl_Fontsize s) {
}
// Scans the input string str with fl_utf8decode() that accepts also non-UTF-8
// and processes it as if encoded in CP1252.
// Scans the input string str with fl_utf8decode() that, by default, accepts
// also non-UTF-8 and processes it as if encoded in CP1252.
// Returns a true UTF-8 string and its length, possibly transformed from CP1252.
// If the input string is true UTF-8, returned string is the same memory as input.
// Otherwise, returned string is in private memory allocated inside clean_utf8()
// If the input string is true UTF-8, the returned string is the same pointer as input.
// Otherwise, the returned string is in private memory allocated inside clean_utf8()
// and extended when necessary.
const char *Fl_Cairo_Graphics_Driver::clean_utf8(const char* str, int &n) {
static char *utf8_buffer = NULL;
@ -1328,8 +1328,8 @@ const char *Fl_Cairo_Graphics_Driver::clean_utf8(const char* str, int &n) {
char buf4[4];
while (p < end) {
unsigned codepoint = fl_utf8decode(p, end, &len);
len2 = fl_utf8encode(codepoint, buf4);
if (retval != str || len != len2) { // switch to using utf8_buffer
if (retval != str || (len == 1 && *(uchar*)p >= 0x80)) { // switch to using utf8_buffer
len2 = fl_utf8encode(codepoint, buf4);
if (!utf8_buffer_len || utf8_buffer_len < (q - utf8_buffer) + len2) {
utf8_buffer_len += (q - utf8_buffer) + len2 + 1000;
utf8_buffer = (char *)realloc(utf8_buffer, utf8_buffer_len);