// encode message from UTF8
LPSTR __cdecl cpp_encodeU(HANDLE context, LPCSTR msg)
{
pCNTX ptr = get_context_on_id(context);
if (!ptr) return NULL;
cpp_alloc_pdata(ptr); pSIMDATA p = (pSIMDATA)ptr->pdata;
if (!p->KeyX) { ptr->error = ERROR_NO_KEYX; return NULL; }
LPSTR szNewMsg = NULL;
LPSTR szOldMsg = (LPSTR)msg;
if (ptr->features & FEATURES_UTF8) {
// utf8 message: encrypt.
szNewMsg = cpp_encrypt(ptr, szOldMsg);
}
else {
// utf8 message: convert to ansi and encrypt.
LPWSTR wstring = utf8decode(szOldMsg);
int wlen = (int)wcslen(wstring) + 1;
LPSTR astring = (LPSTR)alloca(wlen);
WideCharToMultiByte(CP_ACP, 0, (LPWSTR)szOldMsg, -1, astring, wlen, 0, 0);
szNewMsg = cpp_encrypt(ptr, astring);
}
return szNewMsg;
}
// decode message from UTF8 if need, return ANSIzUCS2z
LPSTR __cdecl cpp_decode(HANDLE context, LPCSTR szEncMsg)
{
pCNTX ptr = get_context_on_id(context);
if (!ptr) return NULL;
cpp_alloc_pdata(ptr); pSIMDATA p = (pSIMDATA)ptr->pdata;
if (!p->KeyX) { ptr->error = ERROR_NO_KEYX; return NULL; }
LPSTR szNewMsg = NULL;
LPSTR szOldMsg = cpp_decrypt(ptr, szEncMsg);
if (szOldMsg) {
if (ptr->features & FEATURES_UTF8) {
// utf8 message: convert to unicode -> ansii
LPWSTR wstring = utf8decode(szOldMsg);
int wlen = (int)wcslen(wstring) + 1;
szNewMsg = (LPSTR)mir_alloc(wlen*(sizeof(WCHAR)+2)); // [email protected]
WideCharToMultiByte(CP_ACP, 0, wstring, -1, szNewMsg, wlen, 0, 0);
memcpy(szNewMsg + strlen(szNewMsg) + 1, wstring, wlen*sizeof(WCHAR)); // [email protected]
}
else {
// ansi message: convert to unicode
int slen = (int)strlen(szOldMsg) + 1;
szNewMsg = (LPSTR)mir_alloc(slen*(sizeof(WCHAR)+1));
memcpy(szNewMsg, szOldMsg, slen);
WCHAR* wstring = (LPWSTR)alloca(slen*sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, szOldMsg, -1, wstring, slen*sizeof(WCHAR));
memcpy(szNewMsg + slen, wstring, slen*sizeof(WCHAR));
}
}
replaceStr(ptr->tmp, szNewMsg);
return szNewMsg;
}
/*
* Render paragraph. TODO: fix line break in long text without spaces.
*/
int32_t osd_paragraph(struct osd_t* osd, char *text, uint32_t text_size, uint32_t x, uint32_t y, uint32_t w, uint32_t h)
{
uint32_t width;
char* iso_text = NULL;
char* str;
char* tmp;
char* space;
int text_y = y;
int done = 0;
if ((!text) || (strlen(text) == 0)) {
return 0;
}
iso_text = malloc(strlen(text) + 1);
utf8decode(text, iso_text);
str = iso_text;
do {
width = osd_fontWidth(osd, str, strlen(str));
if (width <= w) {
/* We can display the whole line */
graphics_resource_render_text_ext(osd->img, x, text_y,
GRAPHICS_RESOURCE_WIDTH,
GRAPHICS_RESOURCE_HEIGHT,
GRAPHICS_RGBA32(0xff,0xff,0xff,0xff), /* fg */
GRAPHICS_RGBA32(0,0,0,0xc0), /* bg */
str, strlen(str), 40);
done = 1;
} else {
tmp = malloc(strlen(str) + 1);
strcpy(tmp, str);
while (width > w) {
space = strrchr(tmp, ' ');
tmp[space-tmp] = '\0';
width = osd_fontWidth(osd, tmp, space - tmp);
}
graphics_resource_render_text_ext(osd->img, x, text_y,
GRAPHICS_RESOURCE_WIDTH,
GRAPHICS_RESOURCE_HEIGHT,
GRAPHICS_RGBA32(0xff,0xff,0xff,0xff), /* fg */
GRAPHICS_RGBA32(0,0,0,0xc0), /* bg */
tmp, strlen(tmp), 40);
text_y += 50;
if (text_y > (y + h)) {
done = 1;
}
str += strlen(tmp) + 1;
free(tmp);
}
} while(!done);
free(iso_text);
return 0;
}
size_t
utf8chsiz(char *c, size_t clen)
{
if(clen <= 0) {
return 0;
}
long cp;
size_t chsiz = utf8decode(c, &cp, MIN(UTF_SIZ, clen));
return cp != UTF_INVALID ? chsiz : 1;
}
/*
* UTF8 decode and render text
*/
void osd_text(struct osd_t* osd, uint32_t x, uint32_t y, uint32_t w, uint32_t h, uint32_t fg_color, uint32_t bg_color, char *str)
{
char* iso_text = NULL;
if (str == NULL) {
return;
}
iso_text = malloc(strlen(str) + 1);
utf8decode(str, iso_text);
graphics_resource_render_text_ext(osd->img, x, y, w, h, fg_color, bg_color, iso_text, strlen(iso_text), 40);
free(iso_text);
}
int
get_text_width(const font_t* font, const char* text)
{
uint8_t ch_byte;
uint32_t cp;
uint32_t utf8state;
int width = 0;
for (;;) {
utf8state = UTF8_ACCEPT;
while (utf8decode(&utf8state, &cp, ch_byte = *text++) > UTF8_REJECT);
if (utf8state == UTF8_REJECT && ch_byte == '\0')
--text; // don't eat NUL terminator
cp = cp == 0x20AC ? 128
: cp == 0x201A ? 130
: cp == 0x0192 ? 131
: cp == 0x201E ? 132
: cp == 0x2026 ? 133
: cp == 0x2020 ? 134
: cp == 0x2021 ? 135
: cp == 0x02C6 ? 136
: cp == 0x2030 ? 137
: cp == 0x0160 ? 138
: cp == 0x2039 ? 139
: cp == 0x0152 ? 140
: cp == 0x017D ? 142
: cp == 0x2018 ? 145
: cp == 0x2019 ? 146
: cp == 0x201C ? 147
: cp == 0x201D ? 148
: cp == 0x2022 ? 149
: cp == 0x2013 ? 150
: cp == 0x2014 ? 151
: cp == 0x02DC ? 152
: cp == 0x2122 ? 153
: cp == 0x0161 ? 154
: cp == 0x203A ? 155
: cp == 0x0153 ? 156
: cp == 0x017E ? 158
: cp == 0x0178 ? 159
: cp;
cp = utf8state == UTF8_ACCEPT
? cp < (uint32_t)font->num_glyphs ? cp : 0x1A
: 0x1A;
if (cp == '\0') break;
width += font->glyphs[cp].width;
}
return width;
}
static const char* utf8back(const char* p, const char* start, const char* end)
{
const char* a;
int len;
// if we are not pointing at a continuation character, we are done:
if ((*p&0xc0) != 0x80) return p;
// search backwards for a 0xc0 starting the character:
for (a = p-1; ; --a) {
if (a < start) return p;
if (!(a[0]&0x80)) return p;
if ((a[0]&0x40)) break;
}
utf8decode(a,end,&len);
if (a+len > p) return a;
return p;
}
void osd_show_info(struct osd_t* osd, int channel_id, int timeout)
{
char str[128];
int server;
channels_geteventid(channel_id,&osd->event,&server);
channels_getnexteventid(channel_id,&osd->nextEvent,&server);
struct event_t* event = event_copy(osd->event,server);
struct event_t* nextEvent = event_copy(osd->nextEvent,server);
fprintf(stderr,"***OSD: event=%d\n",(event ? event->eventId : -1));
event_dump(event);
fprintf(stderr,"***OSD: nextEvent=%d\n",(nextEvent ? nextEvent->eventId : -1));
event_dump(nextEvent);
fprintf(stderr,"******\n");
snprintf(str,sizeof(str),"%03d - %s",channels_getlcn(channel_id),channels_getname(channel_id));
char* iso_text = malloc(strlen(str)+1);
utf8decode(str,iso_text);
pthread_mutex_lock(&osd->osd_mutex);
osd_show_channelname(osd,iso_text);
osd_show_time(osd);
osd_show_eventinfo(osd,event,nextEvent);
graphics_update_displayed_resource(osd->img, 0, 0, 0, 0);
pthread_mutex_unlock(&osd->osd_mutex);
free(iso_text);
osd->osd_state = OSD_INFO;
if (timeout) {
osd->osd_cleartime = get_time() + timeout;
}
event_free(event);
event_free(nextEvent);
}
int main(int argc, char* argv[])
{
iconv_t sConv;
const char* pszSrcEncoding;
const char* pszDstEncoding = "UTF-8";
int i;
int nLastIdentical = -1;
if( argc != 2 )
{
fprintf(stderr, "Usage: generate_encoding_table encoding_name\n");
return 1;
}
pszSrcEncoding = argv[1];
sConv = iconv_open( pszDstEncoding, pszSrcEncoding );
if ( sConv == (iconv_t)-1 )
{
fprintf(stderr,
"Recode from %s to %s failed with the error: \"%s\".",
pszSrcEncoding, pszDstEncoding, strerror(errno) );
return 1;
}
for(i = 0; i < 256; i++)
{
char szSrcBuf[2] = {(char)i, 0};
char szDstBuf[5] = {0,0,0,0,0};
char *pszSrcBuf = szSrcBuf;
char *pszDstBuf = szDstBuf;
size_t nSrcLen = strlen( szSrcBuf );
size_t nDstLen = sizeof(szDstBuf);
size_t nConverted =
iconv( sConv, &pszSrcBuf, &nSrcLen, &pszDstBuf, &nDstLen );
int nUnicode = -1;
if( nConverted == -1 )
{
if ( errno == EILSEQ )
{
/* fprintf(stderr, "EILSEQ for %d\n", i); */
}
else if ( errno == E2BIG )
{
fprintf(stderr, "E2BIG for %d\n", i);
return 1;
}
else
{
fprintf(stderr, "other error for %d\n", i);
return 1;
}
}
else
{
int len;
nUnicode = utf8decode(szDstBuf, szDstBuf + strlen(szDstBuf), &len);
if( nUnicode == 0xfffd )
nUnicode = -1;
}
if( nLastIdentical >= 0 && i != nUnicode )
{
if( nLastIdentical + 1 == i )
printf("info->map[0x%02X] = 0x%02X;\n", nLastIdentical, nLastIdentical);
else
{
printf("for(i = 0x%02X; i < 0x%02X; i++)\n", nLastIdentical, i);
printf(" info->map[i] = i;\n");
}
nLastIdentical = -1;
}
if( nUnicode < 0 )
printf("info->map[0x%02X] = -1;\n", i);
else if (nUnicode <= 0xFF )
{
if( i == nUnicode )
{
if( nLastIdentical < 0 )
nLastIdentical = i;
}
else
printf("info->map[0x%02X] = 0x%02X;\n", i, nUnicode);
}
else if (nUnicode <= 0xFFFF )
printf("info->map[0x%02X] = 0x%04X;\n", i, nUnicode);
else if (nUnicode <= 0xFFFFFF )
printf("info->map[0x%02X] = 0x%06X;\n", i, nUnicode);
else
printf("info->map[0x%02X] = 0x%08X;\n", i, nUnicode);
}
if( nLastIdentical >= 0 )
{
if( nLastIdentical + 1 == i )
printf("info->map[0x%02X] = 0x%02X;\n", nLastIdentical, nLastIdentical);
else
{
printf("for(i = 0x%02X; i < 0x%02X; i++)\n", nLastIdentical, i);
printf(" info->map[i] = i;\n");
}
nLastIdentical = -1;
}
iconv_close( sConv );
return 0;
}
/*
* Convert the src string to UTF8 coding dst string, and cut to length
*/
int string2utf8(unsigned char *src, unsigned char* dst, unsigned int length)
{
unsigned char *pt;
unsigned char ch;
unsigned short ucode;
unsigned int type;
unsigned int len;
len = 0;
type = 0;
pt = src;
while(*pt)
{
pt = utf8decode(pt, &ucode);
if(ucode < 0x4e00) {
if(ucode == 0 || ucode > 0x7F) {
type = 1;
break;
}
} else if(ucode > 0x9FCF) {
type = 1;
break;
}
else
len++;
if(len >= 3) break; //There is enough UTF8, so it is, to save time(>_*)
}
if(type == 0) //UTF8
{
while(*src)
{
ch = *src++;
*dst++ = ch;
if(ch < 0x80) {
if(length > 1) length -= 1;
else break;
} else if (ch < 0xe0) { /* U-00000080 - U-000007FF, 2 bytes */
if(length > 2) length -= 2;
else break;
*dst++ = *src++;
} else if (ch < 0xf0) { /* U-00000800 - U-0000FFFF, 3 bytes */
if(length > 3) length -= 3;
else break;
*dst++ = *src++;
*dst++ = *src++;
} else if (ch < 0xf5) { /* U-00010000 - U-001FFFFF, 4 bytes */
if(length > 4) length -= 4;
else break;
*dst++ = *src++;
*dst++ = *src++;
*dst++ = *src++;
} else {
break;
}
}
*dst = '\0';
}
else //assume it is GBK code
{
//GBK to UTF8
while(*src)
{
ch = *src;
if(ch < 0x80)
{
if(length > 1) length -= 1;
else break;
*dst++= ch;
src ++;
}
else
{
ucode = charsets_gbk_to_ucs(src);
if (ucode < 0x800) //2 bytes
{
if(length > 2) length -= 2;
else break;
*dst++ = 0xC0 | ((ucode >> 6) & 0x1F);
*dst++ = 0x80 | (ucode & 0x3F);
}
else //3 bytes
{
if(length > 3) length -= 3;
else break;
*dst++ = 0xE0 | (ucode >> 12);
*dst++ = 0x80 | ((ucode >>6) & 0x3F);
*dst++ = 0x80 | (ucode & 0x3F);
}
src += 2;
}
}
*dst = '\0';
}
static void osd_show_eventinfo(struct osd_t* osd, struct event_t* event, struct event_t* nextEvent)
{
char str[64];
struct tm start_time;
struct tm stop_time;
int duration;
int width = 1920-2*OSD_XMARGIN;
int height = 380-OSD_YMARGIN;
osd_draw_window(osd,OSD_XMARGIN,700,width,height);
if (event==NULL)
return;
/* Start/stop time - current event */
localtime_r((time_t*)&event->start,&start_time);
localtime_r((time_t*)&event->stop,&stop_time);
duration = event->stop - event->start;
snprintf(str,sizeof(str),"%02d:%02d - %02d:%02d",start_time.tm_hour,start_time.tm_min,stop_time.tm_hour,stop_time.tm_min);
graphics_resource_render_text_ext(osd->img, OSD_XMARGIN+50, 720,
width,
height,
GRAPHICS_RGBA32(0xff,0xff,0xff,0xff), /* fg */
GRAPHICS_RGBA32(0,0,0,0x80), /* bg */
str, strlen(str), 40);
/* Title - current event */
if (event->title) {
char* iso_text = malloc(strlen(event->title)+1);
utf8decode(event->title,iso_text);
graphics_resource_render_text_ext(osd->img, OSD_XMARGIN+350, 720,
width,
height,
GRAPHICS_RGBA32(0xff,0xff,0xff,0xff), /* fg */
GRAPHICS_RGBA32(0,0,0,0x80), /* bg */
iso_text, strlen(iso_text), 40);
free(iso_text);
}
snprintf(str,sizeof(str),"%dh %02dm",duration/3600,(duration%3600)/60);
graphics_resource_render_text_ext(osd->img, OSD_XMARGIN+50, 800,
width,
height,
GRAPHICS_RGBA32(0xff,0xff,0xff,0xff), /* fg */
GRAPHICS_RGBA32(0,0,0,0x80), /* bg */
str, strlen(str), 30);
if ((event->episodeNumber) || (event->seasonNumber)) {
if (!event->episodeNumber) {
snprintf(str,sizeof(str),"Season %d",event->seasonNumber);
} else if (!event->seasonNumber) {
snprintf(str,sizeof(str),"Episode %d",event->episodeNumber);
} else {
snprintf(str,sizeof(str),"Season %d, Ep. %d",event->seasonNumber,event->episodeNumber);
}
graphics_resource_render_text_ext(osd->img, OSD_XMARGIN+50, 838,
width,
height,
GRAPHICS_RGBA32(0xff,0xff,0xff,0xff), /* fg */
GRAPHICS_RGBA32(0,0,0,0x80), /* bg */
str, strlen(str), 30);
}
if (event->description) {
char* iso_text = malloc(strlen(event->description)+1);
utf8decode(event->description,iso_text);
render_paragraph(osd->img,iso_text,30,OSD_XMARGIN+350,800);
free(iso_text);
}
if (nextEvent) {
osd_draw_window(osd,OSD_XMARGIN,1002,width,78-OSD_YMARGIN);
/* Start/stop time - next event */
localtime_r((time_t*)&nextEvent->start,&start_time);
localtime_r((time_t*)&nextEvent->stop,&stop_time);
snprintf(str,sizeof(str),"%02d:%02d - %02d:%02d",start_time.tm_hour,start_time.tm_min,stop_time.tm_hour,stop_time.tm_min);
graphics_resource_render_text_ext(osd->img, OSD_XMARGIN+50, 1020,
width,
height,
GRAPHICS_RGBA32(0xff,0xff,0xff,0xff), /* fg */
GRAPHICS_RGBA32(0,0,0,0x80), /* bg */
str, strlen(str), 40);
if (nextEvent->title) {
char* iso_text = malloc(strlen(nextEvent->title)+1);
utf8decode(nextEvent->title,iso_text);
graphics_resource_render_text_ext(osd->img, OSD_XMARGIN+350, 1020,
width,
height,
GRAPHICS_RGBA32(0xff,0xff,0xff,0xff), /* fg */
GRAPHICS_RGBA32(0,0,0,0x80), /* bg */
iso_text, strlen(iso_text), 40);
free(iso_text);
}
}
//fprintf(stderr,"Title: %s\n",event->title);
//fprintf(stderr,"Start: %04d-%02d-%02d %02d:%02d:%02d\n",start_time.tm_year+1900,start_time.tm_mon+1,start_time.tm_mday,start_time.tm_hour,start_time.tm_min,start_time.tm_sec);
//fprintf(stderr,"Stop: %04d-%02d-%02d %02d:%02d:%02d\n",stop_time.tm_year+1900,stop_time.tm_mon+1,stop_time.tm_mday,stop_time.tm_hour,stop_time.tm_min,stop_time.tm_sec);
//fprintf(stderr,"Duration: %02d:%02d:%02d\n",
//fprintf(stderr,"Description: %s\n",event->description);
}
int
drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text)
{
char buf[1024];
int tx, ty, th;
Extnts tex;
XftDraw *d = NULL;
Fnt *curfont, *nextfont;
size_t i, len;
int utf8strlen, utf8charlen, render;
long utf8codepoint = 0;
const char *utf8str;
FcCharSet *fccharset;
FcPattern *fcpattern;
FcPattern *match;
XftResult result;
int charexists = 0;
if (!drw->scheme || !drw->fontcount)
return 0;
if (!(render = x || y || w || h)) {
w = ~w;
} else {
XSetForeground(drw->dpy, drw->gc, drw->scheme->bg->pix);
XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
d = XftDrawCreate(drw->dpy, drw->drawable,
DefaultVisual(drw->dpy, drw->screen),
DefaultColormap(drw->dpy, drw->screen));
}
curfont = drw->fonts[0];
while (1) {
utf8strlen = 0;
utf8str = text;
nextfont = NULL;
while (*text) {
utf8charlen = utf8decode(text, &utf8codepoint, UTF_SIZ);
for (i = 0; i < drw->fontcount; i++) {
charexists = charexists || XftCharExists(drw->dpy, drw->fonts[i]->xfont, utf8codepoint);
if (charexists) {
if (drw->fonts[i] == curfont) {
utf8strlen += utf8charlen;
text += utf8charlen;
} else {
nextfont = drw->fonts[i];
}
break;
}
}
if (!charexists || (nextfont && nextfont != curfont))
break;
else
charexists = 0;
}
if (utf8strlen) {
drw_font_getexts(curfont, utf8str, utf8strlen, &tex);
/* shorten text if necessary */
for (len = MIN(utf8strlen, (sizeof buf) - 1); len && (tex.w > w - drw->fonts[0]->h || w < drw->fonts[0]->h); len--)
drw_font_getexts(curfont, utf8str, len, &tex);
if (len) {
memcpy(buf, utf8str, len);
buf[len] = '\0';
if (len < utf8strlen)
for (i = len; i && i > len - 3; buf[--i] = '.');
if (render) {
th = curfont->ascent + curfont->descent;
ty = y + (h / 2) - (th / 2) + curfont->ascent;
tx = x + (h / 2);
XftDrawStringUtf8(d, &drw->scheme->fg->rgb, curfont->xfont, tx, ty, (XftChar8 *)buf, len);
}
x += tex.w;
w -= tex.w;
}
}
if (!*text) {
break;
} else if (nextfont) {
charexists = 0;
curfont = nextfont;
} else {
/* Regardless of whether or not a fallback font is found, the
* character must be drawn.
*/
charexists = 1;
if (drw->fontcount >= DRW_FONT_CACHE_SIZE)
continue;
fccharset = FcCharSetCreate();
FcCharSetAddChar(fccharset, utf8codepoint);
if (!drw->fonts[0]->pattern) {
/* Refer to the comment in drw_font_xcreate for more
* information. */
die("the first font in the cache must be loaded from a font string.\n");
}
fcpattern = FcPatternDuplicate(drw->fonts[0]->pattern);
FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
FcPatternAddBool(fcpattern, FC_SCALABLE, FcTrue);
FcConfigSubstitute(NULL, fcpattern, FcMatchPattern);
FcDefaultSubstitute(fcpattern);
match = XftFontMatch(drw->dpy, drw->screen, fcpattern, &result);
FcCharSetDestroy(fccharset);
FcPatternDestroy(fcpattern);
if (match) {
curfont = drw_font_xcreate(drw, NULL, match);
if (curfont && XftCharExists(drw->dpy, curfont->xfont, utf8codepoint)) {
drw->fonts[drw->fontcount++] = curfont;
} else {
drw_font_free(curfont);
curfont = drw->fonts[0];
}
}
}
}
if (d)
XftDrawDestroy(d);
return x;
}
wraptext_t*
word_wrap_text(const font_t* font, const char* text, int width)
{
char* buffer = NULL;
uint8_t ch_byte;
char* carry;
size_t ch_size;
uint32_t cp;
int glyph_width;
bool is_line_end = false;
int line_idx;
int line_width;
int max_lines = 10;
char* last_break;
char* last_space;
char* last_tab;
char* line_buffer;
size_t line_length;
char* new_buffer;
size_t pitch;
uint32_t utf8state;
wraptext_t* wraptext;
const char *p, *start;
if (!(wraptext = calloc(1, sizeof(wraptext_t)))) goto on_error;
// allocate initial buffer
get_font_metrics(font, &glyph_width, NULL, NULL);
pitch = 4 * (glyph_width > 0 ? width / glyph_width : width) + 3;
if (!(buffer = malloc(max_lines * pitch))) goto on_error;
if (!(carry = malloc(pitch))) goto on_error;
// run through one character at a time, carrying as necessary
line_buffer = buffer; line_buffer[0] = '\0';
line_idx = 0; line_width = 0; line_length = 0;
memset(line_buffer, 0, pitch); // fill line with NULs
p = text;
do {
utf8state = UTF8_ACCEPT; start = p;
while (utf8decode(&utf8state, &cp, ch_byte = *p++) > UTF8_REJECT);
if (utf8state == UTF8_REJECT && ch_byte == '\0')
--p; // don't eat NUL terminator
ch_size = p - start;
cp = cp == 0x20AC ? 128
: cp == 0x201A ? 130
: cp == 0x0192 ? 131
: cp == 0x201E ? 132
: cp == 0x2026 ? 133
: cp == 0x2020 ? 134
: cp == 0x2021 ? 135
: cp == 0x02C6 ? 136
: cp == 0x2030 ? 137
: cp == 0x0160 ? 138
: cp == 0x2039 ? 139
: cp == 0x0152 ? 140
: cp == 0x017D ? 142
: cp == 0x2018 ? 145
: cp == 0x2019 ? 146
: cp == 0x201C ? 147
: cp == 0x201D ? 148
: cp == 0x2022 ? 149
: cp == 0x2013 ? 150
: cp == 0x2014 ? 151
: cp == 0x02DC ? 152
: cp == 0x2122 ? 153
: cp == 0x0161 ? 154
: cp == 0x203A ? 155
: cp == 0x0153 ? 156
: cp == 0x017E ? 158
: cp == 0x0178 ? 159
: cp;
cp = utf8state == UTF8_ACCEPT
? cp < (uint32_t)font->num_glyphs ? cp : 0x1A
: 0x1A;
switch (cp) {
case '\n': case '\r': // explicit newline
if (cp == '\r' && *p == '\n') ++text; // CRLF
is_line_end = true;
break;
case '\t': // tab
line_buffer[line_length++] = cp;
line_width += get_text_width(font, " ");
is_line_end = false;
break;
case '\0': // NUL terminator
is_line_end = line_length > 0; // commit last line on EOT
break;
default: // default case, copy character as-is
memcpy(line_buffer + line_length, start, ch_size);
line_length += ch_size;
line_width += get_glyph_width(font, cp);
is_line_end = false;
}
if (is_line_end) carry[0] = '\0';
if (line_width > width || line_length >= pitch - 1) {
// wrap width exceeded, carry current word to next line
is_line_end = true;
last_space = strrchr(line_buffer, ' ');
last_tab = strrchr(line_buffer, '\t');
last_break = last_space > last_tab ? last_space : last_tab;
if (last_break != NULL) // word break (space or tab) found
strcpy(carry, last_break + 1);
else // no word break, so just carry last character
sprintf(carry, "%c", line_buffer[line_length - 1]);
line_buffer[line_length - strlen(carry)] = '\0';
}
if (is_line_end) {
// do we need to enlarge the buffer?
if (++line_idx >= max_lines) {
max_lines *= 2;
if (!(new_buffer = realloc(buffer, max_lines * pitch)))
goto on_error;
buffer = new_buffer;
line_buffer = buffer + line_idx * pitch;
}
else
line_buffer += pitch;
memset(line_buffer, 0, pitch); // fill line with NULs
// copy carry text into new line
line_width = get_text_width(font, carry);
line_length = strlen(carry);
strcpy(line_buffer, carry);
}
} while (cp != '\0');
free(carry);
wraptext->num_lines = line_idx;
wraptext->buffer = buffer;
wraptext->pitch = pitch;
return wraptext;
on_error:
free(buffer);
free(wraptext);
return NULL;
}
void
draw_text(const font_t* font, color_t color, int x, int y, text_align_t alignment, const char* text)
{
uint8_t ch_byte;
uint32_t cp;
int tab_width;
uint32_t utf8state;
if (alignment == TEXT_ALIGN_CENTER)
x -= get_text_width(font, text) / 2;
else if (alignment == TEXT_ALIGN_RIGHT)
x -= get_text_width(font, text);
tab_width = font->glyphs[' '].width * 3;
al_hold_bitmap_drawing(true);
for (;;) {
utf8state = UTF8_ACCEPT;
while (utf8decode(&utf8state, &cp, ch_byte = *text++) > UTF8_REJECT);
if (utf8state == UTF8_REJECT && ch_byte == '\0')
--text; // don't eat NUL terminator
cp = cp == 0x20AC ? 128
: cp == 0x201A ? 130
: cp == 0x0192 ? 131
: cp == 0x201E ? 132
: cp == 0x2026 ? 133
: cp == 0x2020 ? 134
: cp == 0x2021 ? 135
: cp == 0x02C6 ? 136
: cp == 0x2030 ? 137
: cp == 0x0160 ? 138
: cp == 0x2039 ? 139
: cp == 0x0152 ? 140
: cp == 0x017D ? 142
: cp == 0x2018 ? 145
: cp == 0x2019 ? 146
: cp == 0x201C ? 147
: cp == 0x201D ? 148
: cp == 0x2022 ? 149
: cp == 0x2013 ? 150
: cp == 0x2014 ? 151
: cp == 0x02DC ? 152
: cp == 0x2122 ? 153
: cp == 0x0161 ? 154
: cp == 0x203A ? 155
: cp == 0x0153 ? 156
: cp == 0x017E ? 158
: cp == 0x0178 ? 159
: cp;
cp = utf8state == UTF8_ACCEPT
? cp < (uint32_t)font->num_glyphs ? cp : 0x1A
: 0x1A;
if (cp == '\0')
break;
else if (cp == '\t')
x += tab_width;
else {
draw_image_masked(font->glyphs[cp].image, color, x, y);
x += font->glyphs[cp].width;
}
}
al_hold_bitmap_drawing(false);
}