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#include "fitz.h"
#include "mupdf.h"
void
pdf_setfontwmode(pdf_fontdesc *font, int wmode)
{
font->wmode = wmode;
}
void
pdf_setdefaulthmtx(pdf_fontdesc *font, int w)
{
font->dhmtx.w = w;
}
void
pdf_setdefaultvmtx(pdf_fontdesc *font, int y, int w)
{
font->dvmtx.y = y;
font->dvmtx.w = w;
}
void
pdf_addhmtx(pdf_fontdesc *font, int lo, int hi, int w)
{
if (font->nhmtx + 1 >= font->hmtxcap)
{
font->hmtxcap = font->hmtxcap + 16;
font->hmtx = fz_realloc(font->hmtx, font->hmtxcap, sizeof(pdf_hmtx));
}
font->hmtx[font->nhmtx].lo = lo;
font->hmtx[font->nhmtx].hi = hi;
font->hmtx[font->nhmtx].w = w;
font->nhmtx++;
}
void
pdf_addvmtx(pdf_fontdesc *font, int lo, int hi, int x, int y, int w)
{
if (font->nvmtx + 1 >= font->vmtxcap)
{
font->vmtxcap = font->vmtxcap + 16;
font->vmtx = fz_realloc(font->vmtx, font->vmtxcap, sizeof(pdf_vmtx));
}
font->vmtx[font->nvmtx].lo = lo;
font->vmtx[font->nvmtx].hi = hi;
font->vmtx[font->nvmtx].x = x;
font->vmtx[font->nvmtx].y = y;
font->vmtx[font->nvmtx].w = w;
font->nvmtx++;
}
static int cmph(const void *a0, const void *b0)
{
pdf_hmtx *a = (pdf_hmtx*)a0;
pdf_hmtx *b = (pdf_hmtx*)b0;
return a->lo - b->lo;
}
static int cmpv(const void *a0, const void *b0)
{
pdf_vmtx *a = (pdf_vmtx*)a0;
pdf_vmtx *b = (pdf_vmtx*)b0;
return a->lo - b->lo;
}
void
pdf_endhmtx(pdf_fontdesc *font)
{
if (!font->hmtx)
return;
qsort(font->hmtx, font->nhmtx, sizeof(pdf_hmtx), cmph);
}
void
pdf_endvmtx(pdf_fontdesc *font)
{
if (!font->vmtx)
return;
qsort(font->vmtx, font->nvmtx, sizeof(pdf_vmtx), cmpv);
}
pdf_hmtx
pdf_gethmtx(pdf_fontdesc *font, int cid)
{
int l = 0;
int r = font->nhmtx - 1;
int m;
if (!font->hmtx)
goto notfound;
while (l <= r)
{
m = (l + r) >> 1;
if (cid < font->hmtx[m].lo)
r = m - 1;
else if (cid > font->hmtx[m].hi)
l = m + 1;
else
return font->hmtx[m];
}
notfound:
return font->dhmtx;
}
pdf_vmtx
pdf_getvmtx(pdf_fontdesc *font, int cid)
{
pdf_hmtx h;
pdf_vmtx v;
int l = 0;
int r = font->nvmtx - 1;
int m;
if (!font->vmtx)
goto notfound;
while (l <= r)
{
m = (l + r) >> 1;
if (cid < font->vmtx[m].lo)
r = m - 1;
else if (cid > font->vmtx[m].hi)
l = m + 1;
else
return font->vmtx[m];
}
notfound:
h = pdf_gethmtx(font, cid);
v = font->dvmtx;
v.x = h.w / 2;
return v;
}
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