static bool nsfont_width(const plot_font_style_t *fstyle,
const char *string, size_t length,
int *width)
{
*width = (fstyle->size * utf8_bounded_length(string, length)) / FONT_SIZE_SCALE;
return true;
}
static bool nsfont_width(const plot_font_style_t *fstyle,
const char *string, size_t length,
int *width)
{
const struct fb_font_desc* fb_font = fb_get_font(fstyle);
*width = fb_font->width * utf8_bounded_length(string, length);
return true;
}
static bool nsfont_width(const plot_font_style_t *style,
const char *string, size_t length,
int *width)
{
HDC hdc = GetDC(NULL);
HFONT font = get_font(style);
HFONT fontbak = SelectObject(hdc, font);
SIZE s;
if (length < 8192) { /* win 95/98/ME */
/* may well need to convert utf-8 to lpctstr */
GetTextExtentPoint32(hdc, string,
utf8_bounded_length(string, length), &s);
*width = s.cx;
font = SelectObject(hdc, fontbak);
DeleteObject(font);
ReleaseDC(NULL, hdc);
return true;
}
font = SelectObject(hdc, fontbak);
DeleteObject(font);
ReleaseDC(NULL, hdc);
return false;
}
/**
* Calculate the length (in characters) of a NULL-terminated UTF-8 string
*
* \param s The string
* \return Length of string
*/
size_t utf8_length(const char *s)
{
return utf8_bounded_length(s, strlen(s));
}
bool nsfont_split(const plot_font_style_t *fstyle,
const char *string, size_t length,
int x, size_t *char_offset, int *actual_x)
{
struct TextExtent extent;
ULONG co;
char *ostr = (char *)string;
struct TextFont *tfont;
uint16 *utf16 = NULL,*outf16 = NULL;
uint16 utf16next = 0;
FIXED kern = 0;
int utf16charlen = 0;
struct OutlineFont *ofont, *ufont = NULL;
struct GlyphMap *glyph;
uint32 tx=0,i=0;
size_t len;
int utf8len, utf8clen = 0;
int32 tempx = 0;
ULONG emwidth = (ULONG)NSA_FONT_EMWIDTH(fstyle->size);
len = utf8_bounded_length(string, length);
if(utf8_to_enc((char *)string,"UTF-16",length,(char **)&utf16) != UTF8_CONVERT_OK) return false;
outf16 = utf16;
if(!(ofont = ami_open_outline_font(fstyle, FALSE))) return false;
*char_offset = 0;
*actual_x = 0;
for(i=0;i<len;i++)
{
utf8len = utf8_char_byte_length(string+utf8clen);
if (*utf16 < 0xD800 || 0xDFFF < *utf16)
utf16charlen = 1;
else
utf16charlen = 2;
utf16next = utf16[utf16charlen];
if(x < tx)
{
i = length+1;
}
else
{
if(string[utf8clen] == ' ') //*utf16 == 0x0020)
{
*actual_x = tx;
*char_offset = utf8clen;
}
}
tempx = ami_font_plot_glyph(ofont, NULL, *utf16, utf16next, 0, 0, emwidth);
if(tempx == 0)
{
if(ufont == NULL)
{
ufont = ami_open_outline_font(fstyle, TRUE);
}
if(ufont)
{
tempx = ami_font_plot_glyph(ufont, NULL, *utf16, utf16next,
0, 0, emwidth);
}
/*
if(tempx == 0)
{
tempx = ami_font_plot_glyph(ofont, NULL, 0xfffd, utf16next,
0, 0, emwidth);
}
*/
}
tx += tempx;
utf16 += utf16charlen;
utf8clen += utf8len;
}
free(outf16);
return true;
}
bool nsfont_position_in_string(const plot_font_style_t *fstyle,
const char *string, size_t length,
int x, size_t *char_offset, int *actual_x)
{
struct TextExtent extent;
struct TextFont *tfont;
uint16 *utf16 = NULL, *outf16 = NULL;
uint16 utf16next = 0;
FIXED kern = 0;
struct OutlineFont *ofont, *ufont = NULL;
struct GlyphMap *glyph;
uint32 tx=0,i=0;
size_t len, utf8len = 0;
uint8 *utf8;
uint32 co = 0;
int utf16charlen;
ULONG emwidth = (ULONG)NSA_FONT_EMWIDTH(fstyle->size);
int32 tempx;
len = utf8_bounded_length(string, length);
if(utf8_to_enc(string,"UTF-16",length,(char **)&utf16) != UTF8_CONVERT_OK) return false;
outf16 = utf16;
if(!(ofont = ami_open_outline_font(fstyle, FALSE))) return false;
*char_offset = length;
for(i=0;i<len;i++)
{
if (*utf16 < 0xD800 || 0xDFFF < *utf16)
utf16charlen = 1;
else
utf16charlen = 2;
utf8len = utf8_char_byte_length(string);
utf16next = utf16[utf16charlen];
tempx = ami_font_plot_glyph(ofont, NULL, *utf16, utf16next,
0, 0, emwidth);
if(tempx == 0)
{
if(ufont == NULL)
{
ufont = ami_open_outline_font(fstyle, TRUE);
}
if(ufont)
{
tempx = ami_font_plot_glyph(ufont, NULL, *utf16, utf16next,
0, 0, emwidth);
}
/*
if(tempx == 0)
{
tempx = ami_font_plot_glyph(ofont, NULL, 0xfffd, utf16next,
0, 0, emwidth);
}
*/
}
if(x < (tx + tempx))
{
*actual_x = tx;
i = len+1;
}
else
{
co += utf8len;
}
tx += tempx;
string += utf8len;
utf16 += utf16charlen;
}
if(co >= (length))
{
*actual_x = tx;
co = length;
}
*char_offset = co;
free(outf16);
return true;
}
