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SVN revision: 14888
This commit is contained in:
Carsten Haitzler 2005-05-22 02:49:48 +00:00
parent 4f10fa29b3
commit 2a6937cccb
1 changed files with 34 additions and 34 deletions
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68
legacy/evas/src/lib/engines/common/evas_font_main.c
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@ -34,11 +34,11 @@ evas_common_font_ascent_get(RGBA_Font *fn)
int val, dv; int val, dv;
int ret; int ret;
RGBA_Font_Int *fi; RGBA_Font_Int *fi;
evas_common_font_size_use(fn); evas_common_font_size_use(fn);
fi = fn->fonts->data; fi = fn->fonts->data;
val = (int)fi->src->ft.face->size->metrics.ascender; val = (int)fi->src->ft.face->size->metrics.ascender;
dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM; dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM;
ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv); ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv);
return ret; return ret;
} }
@ -49,11 +49,11 @@ evas_common_font_descent_get(RGBA_Font *fn)
int val, dv; int val, dv;
int ret; int ret;
RGBA_Font_Int *fi; RGBA_Font_Int *fi;
evas_common_font_size_use(fn); evas_common_font_size_use(fn);
fi = fn->fonts->data; fi = fn->fonts->data;
val = -(int)fi->src->ft.face->size->metrics.descender; val = -(int)fi->src->ft.face->size->metrics.descender;
dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM; dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM;
ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv); ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv);
return ret; return ret;
} }
@ -64,11 +64,11 @@ evas_common_font_max_ascent_get(RGBA_Font *fn)
int val, dv; int val, dv;
int ret; int ret;
RGBA_Font_Int *fi; RGBA_Font_Int *fi;
evas_common_font_size_use(fn); evas_common_font_size_use(fn);
fi = fn->fonts->data; fi = fn->fonts->data;
val = (int)fi->src->ft.face->bbox.yMax; val = (int)fi->src->ft.face->bbox.yMax;
dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM; dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM;
ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv); ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv);
return ret; return ret;
} }
@ -79,11 +79,11 @@ evas_common_font_max_descent_get(RGBA_Font *fn)
int val, dv; int val, dv;
int ret; int ret;
RGBA_Font_Int *fi; RGBA_Font_Int *fi;
evas_common_font_size_use(fn); evas_common_font_size_use(fn);
fi = fn->fonts->data; fi = fn->fonts->data;
val = -(int)fi->src->ft.face->bbox.yMin; val = -(int)fi->src->ft.face->bbox.yMin;
dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM; dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM;
ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv); ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv);
return ret; return ret;
} }
@ -94,11 +94,11 @@ evas_common_font_get_line_advance(RGBA_Font *fn)
int val, dv; int val, dv;
int ret; int ret;
RGBA_Font_Int *fi; RGBA_Font_Int *fi;
evas_common_font_size_use(fn); evas_common_font_size_use(fn);
fi = fn->fonts->data; fi = fn->fonts->data;
val = (int)fi->src->ft.face->size->metrics.height; val = (int)fi->src->ft.face->size->metrics.height;
dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM; dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM;
ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv); ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv);
return ret; return ret;
} }
@ -107,24 +107,24 @@ int
evas_common_font_utf8_get_next(unsigned char *buf, int *iindex) evas_common_font_utf8_get_next(unsigned char *buf, int *iindex)
{ {
/* Reads UTF8 bytes from @buf, starting at *@index and returns /* Reads UTF8 bytes from @buf, starting at *@index and returns
* the decoded code point at iindex offset, and advances iidnex * the decoded code point at iindex offset, and advances iidnex
* to the next code point after this. * to the next code point after this.
* *
* Returns 0 to indicate an error (e.g. invalid UTF8) * Returns 0 to indicate an error (e.g. invalid UTF8)
*/ */
int index = *iindex, r; int index = *iindex, r;
unsigned char d, d2, d3, d4; unsigned char d, d2, d3, d4;
d = buf[index++]; d = buf[index++];
if (!d) if (!d)
return 0; return 0;
if (d < 0x80) if (d < 0x80)
{ {
*iindex = index; *iindex = index;
return d; return d;
} }
if ((d & 0xe0) == 0xc0) if ((d & 0xe0) == 0xc0)
{ {
/* 2 byte */ /* 2 byte */
if (((d2 = buf[index++]) & 0xc0) != 0x80) if (((d2 = buf[index++]) & 0xc0) != 0x80)
return 0; return 0;
@ -132,8 +132,8 @@ evas_common_font_utf8_get_next(unsigned char *buf, int *iindex)
r <<= 6; r <<= 6;
r |= (d2 & 0x3f); /* copy lower 6 */ r |= (d2 & 0x3f); /* copy lower 6 */
} }
else if ((d & 0xf0) == 0xe0) else if ((d & 0xf0) == 0xe0)
{ {
/* 3 byte */ /* 3 byte */
if (((d2 = buf[index++]) & 0xc0) != 0x80 || if (((d2 = buf[index++]) & 0xc0) != 0x80 ||
((d3 = buf[index++]) & 0xc0) != 0x80) ((d3 = buf[index++]) & 0xc0) != 0x80)
@ -145,7 +145,7 @@ evas_common_font_utf8_get_next(unsigned char *buf, int *iindex)
r |= (d3 & 0x3f); r |= (d3 & 0x3f);
} }
else else
{ {
/* 4 byte */ /* 4 byte */
if (((d2 = buf[index++]) & 0xc0) != 0x80 || if (((d2 = buf[index++]) & 0xc0) != 0x80 ||
((d3 = buf[index++]) & 0xc0) != 0x80 || ((d3 = buf[index++]) & 0xc0) != 0x80 ||
@ -157,7 +157,7 @@ evas_common_font_utf8_get_next(unsigned char *buf, int *iindex)
r <<= 6; r <<= 6;
r |= (d3 & 0x3f); r |= (d3 & 0x3f);
r <<= 6; r <<= 6;
r |= (d4 & 0x3f); r |= (d4 & 0x3f);
} }
*iindex = index; *iindex = index;
return r; return r;
@ -167,21 +167,21 @@ int
evas_common_font_utf8_get_prev(unsigned char *buf, int *iindex) evas_common_font_utf8_get_prev(unsigned char *buf, int *iindex)
{ {
/* Reads UTF8 bytes from @buf, starting at *@index and returns /* Reads UTF8 bytes from @buf, starting at *@index and returns
* the decoded code point at iindex offset, and advances iidnex * the decoded code point at iindex offset, and advances iidnex
* to the next code point after this. * to the next code point after this.
* *
* Returns 0 to indicate an error (e.g. invalid UTF8) * Returns 0 to indicate an error (e.g. invalid UTF8)
*/ */
int index = *iindex, r, istart = *iindex; int index = *iindex, r, istart = *iindex;
unsigned char d, d2, d3, d4; unsigned char d, d2, d3, d4;
d = buf[index++]; d = buf[index++];
if (d < 0x80) if (d < 0x80)
{ {
r = d; r = d;
} }
else if ((d & 0xe0) == 0xc0) else if ((d & 0xe0) == 0xc0)
{ {
/* 2 byte */ /* 2 byte */
d2 = buf[index++]; d2 = buf[index++];
if ((d2 & 0xc0) != 0x80) if ((d2 & 0xc0) != 0x80)
@ -190,8 +190,8 @@ evas_common_font_utf8_get_prev(unsigned char *buf, int *iindex)
r <<= 6; r <<= 6;
r |= (d2 & 0x3f); /* copy lower 6 */ r |= (d2 & 0x3f); /* copy lower 6 */
} }
else if ((d & 0xf0) == 0xe0) else if ((d & 0xf0) == 0xe0)
{ {
/* 3 byte */ /* 3 byte */
d2 = buf[index++]; d2 = buf[index++];
d3 = buf[index++]; d3 = buf[index++];
@ -205,7 +205,7 @@ evas_common_font_utf8_get_prev(unsigned char *buf, int *iindex)
r |= (d3 & 0x3f); r |= (d3 & 0x3f);
} }
else else
{ {
/* 4 byte */ /* 4 byte */
d2 = buf[index++]; d2 = buf[index++];
d3 = buf[index++]; d3 = buf[index++];
@ -220,7 +220,7 @@ evas_common_font_utf8_get_prev(unsigned char *buf, int *iindex)
r <<= 6; r <<= 6;
r |= (d3 & 0x3f); r |= (d3 & 0x3f);
r <<= 6; r <<= 6;
r |= (d4 & 0x3f); r |= (d4 & 0x3f);
} }
if (istart > 0) if (istart > 0)
{ {
@ -255,12 +255,12 @@ evas_common_font_utf8_get_last(unsigned char *buf, int buflen)
/* jumps to the nul byte at the buffer end and decodes backwards and /* jumps to the nul byte at the buffer end and decodes backwards and
* returns the offset index byte in the buffer where the last character * returns the offset index byte in the buffer where the last character
* in the buffer begins. * in the buffer begins.
* *
* Returns -1 to indicate an error * Returns -1 to indicate an error
*/ */
int index; int index;
unsigned char d; unsigned char d;
if (buflen < 1) return 0; if (buflen < 1) return 0;
index = buflen - 1; index = buflen - 1;
d = buf[index]; d = buf[index];