void draw_text(GuiCanvas *canvas, GuiText *text)
{
#ifdef USE_TTF
SDL_Surface *surface;
SDL_Color color;
SDL_Rect rect;
if (text == NULL || gui == NULL) return;
if (text->font == NULL) return;
surface = (SDL_Surface *)canvas;
COLOR_SDL(color, text->color);
RECT_SDL (rect, text->rect);
if (text->font->fonthandle == NULL)
text->font->fonthandle = TTF_OpenFont(text->font->filename, FONT_SIZE);
if (text->font->fonthandle == NULL) return;
if (text->surface == NULL && text->unicode) {
uint16_t buffer[BUF_LEN];
UTF8_to_UNICODE(buffer, text->unicode);
text->surface = TTF_RenderUNICODE_Blended((TTF_Font *)text->font->fonthandle, buffer, color);
}
if (text->surface)
SDL_BlitSurface(text->surface, NULL, surface, &rect);
#endif
}
void sge_TTF_SizeText( _sge_TTFont*font, const char* text, int* x, int* y )
{
#ifdef MSZ_USES_UTF8
Uint16 *unicode_text;
int unicode_len;
/* Copy the UTF-8 text to a UNICODE text buffer */
unicode_len = strlen(text);
unicode_text = new Uint16[unicode_len+1]; // (Uint16 *)malloc( (unicode_len+1) * sizeof (Uint16) );
if ( unicode_text == NULL )
{
SDL_SetError("SGE - Out of memory");
*x = *y = 0;
return;
}
UTF8_to_UNICODE(unicode_text, text, unicode_len);
/* Render the new text */
SDL_Rect r = sge_TTF_TextSizeUNI(font, unicode_text);
/* Free the text buffer and return */
delete[] unicode_text; //free(unicode_text);
#else
SDL_Rect r = sge_TTF_TextSize( font, text );
#endif
*x = r.w;
*y = r.h;
}
static int GetCharacterOffsets(void *_font, const char *text, int *byteOffsets, int *pixelOffsets, int maxOffsets)
{
TTF_Font *font = (TTF_Font *)_font;
int i = 0;
int bytes = 0;
int pixels = 0;
int advance;
Uint16 ch;
while ( *text && i < maxOffsets ) {
byteOffsets[i] = bytes;
pixelOffsets[i] = pixels;
++i;
ch = UTF8_to_UNICODE(text, &advance);
text += advance;
bytes += advance;
TTF_GlyphMetrics(font, ch, NULL, NULL, NULL, NULL, &advance);
pixels += advance;
}
if ( i < maxOffsets ) {
byteOffsets[i] = bytes;
pixelOffsets[i] = pixels;
}
return i;
}
wchar_t* charToWideChar(const char* strChar) {
wchar_t *strWChar = new wchar_t[strlen(strChar) + 1];
if (!strWChar)
return NULL;
UTF8_to_UNICODE(strWChar,strChar,strlen(strChar));
return strWChar;
}
void rtf_update()
{
static char buf[1032];
char *s, *p, *q;
int i, j, k;
unsigned int u;
FILE *f;
if (NULL == (f=fopen("/tmp/route.rtf","w")))
return;
// Set Code Page 1252 for latin1. Not sure if that or utf8 here...
fprintf(f,"{\\rtf1\\ansi\\ansicpg1252\\deff0 {\\fonttbl {\\f0 Courier;}}\n");
fprintf(f,"{\\colortbl;\\red0\\green0\\blue0;\\red255\\green0\\blue0;\\red0\\green0\\blue255;}\n");
for (s = strtok(txtbuf, "\n"); s; s = strtok(NULL, "\n")){
//j = strlen(s); if (j >1031) j = 1031;
q = buf;
for (k = 0; *s; s+=i) {
u = UTF8_to_UNICODE(s, &i);
if (u < 0x80)
q[k++] = u; // ok for latin1, although not really RTF standard.
else{
if (u < 0x100)
sprintf(q+k, "\\u%d%c", u, u); // Maybe try a codepage escape?
else
sprintf(q+k, "\\u%d?", u);
k += strlen(q+k);
}
}
q[k] = 0;
//
// Need to change utf8 to \\uNNNN? sequence and \,{.} to \\,\{,\} sequences.
//if ((*p == '\\') ||(*p == '}') ||(*p == '}'))
// *q++ = '\\';
//
p = buf;
if (p[0] == '(')
fprintf(f, "\\cf3\n%s\\line\n\\cf1\n",p);
else if (p[0] == ' ')
fprintf(f, "\\cf2\n%s\\line\n\\cf1\n",p);
else
fprintf(f, "%s\\line\n",p);
p[strlen(p)] = '\n'; // Replace nulls added by strtok.
}
fprintf(f,"}\n");
fclose(f);
}
int TTF_SizeUTF8(TTF_Font *font, const char *text, int *w, int *h)
{
Uint16 *unicode_text;
int unicode_len;
int status;
/* Copy the UTF-8 text to a UNICODE text buffer */
unicode_len = strlen(text);
unicode_text = (Uint16 *)malloc((unicode_len+1)*(sizeof *unicode_text));
if ( unicode_text == NULL ) {
SDL_SetError("Out of memory");
return -1;
}
UTF8_to_UNICODE(unicode_text, text, unicode_len);
/* Render the new text */
status = TTF_SizeUNICODE(font, unicode_text, w, h);
/* Free the text buffer and return */
free(unicode_text);
return status;
}
int get_text_width(FontDesc *font, const char *text)
{
if (font == NULL) return 0;
#ifdef USE_TTF
uint16_t cBuf[BUF_LEN];
const char *i18n_text = i18n(text);
memset(cBuf, '\0', BUF_LEN);
UTF8_to_UNICODE(cBuf, i18n_text);
if (font->fonthandle == NULL)
font->fonthandle = TTF_OpenFont(font->filename, FONT_SIZE);
if (font->fonthandle) {
int w = 0, h = 0;
TTF_SizeUNICODE((TTF_Font *)font->fonthandle, cBuf, &w, &h);
return w;
}
#else
return 24;
#endif
return 0;
}
/* Convert the UTF-8 text to UNICODE and render it
*/
SDL_Surface *TTF_RenderUTF8_Solid(TTF_Font *font,
const char *text, SDL_Color fg)
{
SDL_Surface *textbuf;
Uint16 *unicode_text;
int unicode_len;
/* Copy the UTF-8 text to a UNICODE text buffer */
unicode_len = strlen(text);
unicode_text = (Uint16 *)malloc((unicode_len+1)*(sizeof *unicode_text));
if ( unicode_text == NULL ) {
SDL_SetError("Out of memory");
return(NULL);
}
UTF8_to_UNICODE(unicode_text, text, unicode_len);
/* Render the new text */
textbuf = TTF_RenderUNICODE_Solid(font, unicode_text, fg);
/* Free the text buffer and return */
free(unicode_text);
return(textbuf);
}
