int textGetStringWidth(TEXT_FONT *font, const char *string) {
int i, w;
unsigned int glyph;
for (i = w = 0; string[i] != 0; ) {
glyph = utf8GetChar(&string[i]);
i += utf8GetValidatedCharLength(&string[i]);
w += textGetGlyphWidth(font, glyph);
}
return w;
}
int textThisManyGlyphsWillFit(TEXT_SURFACE *surface, const char *str, unsigned int width) {
int i, k;
float j;
unsigned int glyph;
for (i = j = k = 0; str[i] != 0; k++) {
glyph = utf8GetChar(&str[i]);
j += textGetGlyphWidthf(surface->font, glyph);
if (j > width)
return k;
i += utf8GetValidatedCharLength(&str[i]);
}
return k;
}
int textStringWordLength(TEXT_FONT *font, const char *string, int *bytes) {
int i, w;
unsigned int glyph;
if (bytes)
*bytes = 0;
if (!font)
return 0;
for (i = w = 0; string[i] != 0 && string[i] != ' ' && string[i] != '\n';) {
glyph = utf8GetChar(&string[i]);
i += utf8GetValidatedCharLength(&string[i]);
w += textGetGlyphWidth(font, glyph);
}
if (bytes)
*bytes = i;
return w;
}
int textStringBytesOnLine(TEXT_FONT *font, const char *string, int linelen, int *w_m) {
int i, w;
unsigned int glyph;
if (!font)
return 0;
for (i = w = 0; string[i] != 0;) {
glyph = utf8GetChar(&string[i]);
if (textGetGlyphWidth(font, glyph) + w > linelen) {
*w_m = w;
return i;
}
w += textGetGlyphWidth(font, glyph);
i += utf8GetValidatedCharLength(&string[i]);
}
*w_m = w;
return i;
}
unsigned int EXPORT_THIS d_font_glyph_w(void *font, const char *s) {
unsigned int c;
c = utf8GetChar(s);
return textGetGlyphWidth(font, c);
}