reactos/rosapps/smartpdf/fitz/world/res_font.c
Klemens Friedl 435a566751 SmartPDF - lightweight pdf viewer app for rosapps
* sumatrapdf - vendor import
* everything compiles (libjpeg, poppler, fitz, sumatrapdf)
* does NOT link

(remove the comment tags in the parent directory.rbuild file (rosapps dir) to build it)

svn path=/trunk/; revision=29295
2007-09-29 08:39:35 +00:00

270 lines
4.5 KiB
C

#include "fitz-base.h"
#include "fitz-world.h"
void
fz_initfont(fz_font *font, char *name)
{
font->refs = 1;
strlcpy(font->name, name, sizeof font->name);
font->wmode = 0;
font->bbox.x0 = 0;
font->bbox.y0 = 0;
font->bbox.x1 = 1000;
font->bbox.y1 = 1000;
font->hmtxcap = 0;
font->vmtxcap = 0;
font->nhmtx = 0;
font->nvmtx = 0;
font->hmtx = nil;
font->vmtx = nil;
font->dhmtx.lo = 0x0000;
font->dhmtx.hi = 0xFFFF;
font->dhmtx.w = 0;
font->dvmtx.lo = 0x0000;
font->dvmtx.hi = 0xFFFF;
font->dvmtx.x = 0;
font->dvmtx.y = 880;
font->dvmtx.w = -1000;
}
fz_font *
fz_keepfont(fz_font *font)
{
font->refs ++;
return font;
}
void
fz_dropfont(fz_font *font)
{
if (--font->refs == 0)
{
if (font->drop)
font->drop(font);
fz_free(font->hmtx);
fz_free(font->vmtx);
fz_free(font);
}
}
void
fz_setfontwmode(fz_font *font, int wmode)
{
font->wmode = wmode;
}
void
fz_setfontbbox(fz_font *font, int xmin, int ymin, int xmax, int ymax)
{
font->bbox.x0 = xmin;
font->bbox.y0 = ymin;
font->bbox.x1 = xmax;
font->bbox.y1 = ymax;
}
void
fz_setdefaulthmtx(fz_font *font, int w)
{
font->dhmtx.w = w;
}
void
fz_setdefaultvmtx(fz_font *font, int y, int w)
{
font->dvmtx.y = y;
font->dvmtx.w = w;
}
fz_error *
fz_addhmtx(fz_font *font, int lo, int hi, int w)
{
int newcap;
fz_hmtx *newmtx;
if (font->nhmtx + 1 >= font->hmtxcap)
{
newcap = font->hmtxcap + 16;
newmtx = fz_realloc(font->hmtx, sizeof(fz_hmtx) * newcap);
if (!newmtx)
return fz_outofmem;
font->hmtxcap = newcap;
font->hmtx = newmtx;
}
font->hmtx[font->nhmtx].lo = lo;
font->hmtx[font->nhmtx].hi = hi;
font->hmtx[font->nhmtx].w = w;
font->nhmtx++;
return nil;
}
fz_error *
fz_addvmtx(fz_font *font, int lo, int hi, int x, int y, int w)
{
int newcap;
fz_vmtx *newmtx;
if (font->nvmtx + 1 >= font->vmtxcap)
{
newcap = font->vmtxcap + 16;
newmtx = fz_realloc(font->vmtx, sizeof(fz_vmtx) * newcap);
if (!newmtx)
return fz_outofmem;
font->vmtxcap = newcap;
font->vmtx = newmtx;
}
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++;
return nil;
}
static int cmph(const void *a0, const void *b0)
{
fz_hmtx *a = (fz_hmtx*)a0;
fz_hmtx *b = (fz_hmtx*)b0;
return a->lo - b->lo;
}
static int cmpv(const void *a0, const void *b0)
{
fz_vmtx *a = (fz_vmtx*)a0;
fz_vmtx *b = (fz_vmtx*)b0;
return a->lo - b->lo;
}
fz_error *
fz_endhmtx(fz_font *font)
{
fz_hmtx *newmtx;
if (!font->hmtx)
return nil;
qsort(font->hmtx, font->nhmtx, sizeof(fz_hmtx), cmph);
newmtx = fz_realloc(font->hmtx, sizeof(fz_hmtx) * font->nhmtx);
if (!newmtx)
return fz_outofmem;
font->hmtxcap = font->nhmtx;
font->hmtx = newmtx;
return nil;
}
fz_error *
fz_endvmtx(fz_font *font)
{
fz_vmtx *newmtx;
if (!font->vmtx)
return nil;
qsort(font->vmtx, font->nvmtx, sizeof(fz_vmtx), cmpv);
newmtx = fz_realloc(font->vmtx, sizeof(fz_vmtx) * font->nvmtx);
if (!newmtx)
return fz_outofmem;
font->vmtxcap = font->nvmtx;
font->vmtx = newmtx;
return nil;
}
fz_hmtx
fz_gethmtx(fz_font *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;
}
fz_vmtx
fz_getvmtx(fz_font *font, int cid)
{
fz_hmtx h;
fz_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 = fz_gethmtx(font, cid);
v = font->dvmtx;
v.x = h.w / 2;
return v;
}
void
fz_debugfont(fz_font *font)
{
int i;
printf("font '%s' {\n", font->name);
printf(" wmode %d\n", font->wmode);
printf(" bbox [%d %d %d %d]\n",
font->bbox.x0, font->bbox.y0,
font->bbox.x1, font->bbox.y1);
printf(" DW %d\n", font->dhmtx.w);
printf(" W {\n");
for (i = 0; i < font->nhmtx; i++)
printf(" <%04x> <%04x> %d\n",
font->hmtx[i].lo, font->hmtx[i].hi, font->hmtx[i].w);
printf(" }\n");
if (font->wmode)
{
printf(" DW2 [%d %d]\n", font->dvmtx.y, font->dvmtx.w);
printf(" W2 {\n");
for (i = 0; i < font->nvmtx; i++)
printf(" <%04x> <%04x> %d %d %d\n", font->vmtx[i].lo, font->vmtx[i].hi,
font->vmtx[i].x, font->vmtx[i].y, font->vmtx[i].w);
printf(" }\n");
}
printf("}\n");
}