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435a566751
* 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
271 lines
4.5 KiB
C
271 lines
4.5 KiB
C
#include "fitz-base.h"
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#include "fitz-world.h"
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void
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fz_initfont(fz_font *font, char *name)
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{
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font->refs = 1;
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strlcpy(font->name, name, sizeof font->name);
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font->wmode = 0;
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font->bbox.x0 = 0;
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font->bbox.y0 = 0;
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font->bbox.x1 = 1000;
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font->bbox.y1 = 1000;
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font->hmtxcap = 0;
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font->vmtxcap = 0;
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font->nhmtx = 0;
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font->nvmtx = 0;
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font->hmtx = nil;
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font->vmtx = nil;
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font->dhmtx.lo = 0x0000;
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font->dhmtx.hi = 0xFFFF;
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font->dhmtx.w = 0;
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font->dvmtx.lo = 0x0000;
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font->dvmtx.hi = 0xFFFF;
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font->dvmtx.x = 0;
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font->dvmtx.y = 880;
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font->dvmtx.w = -1000;
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}
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fz_font *
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fz_keepfont(fz_font *font)
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{
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font->refs ++;
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return font;
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}
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void
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fz_dropfont(fz_font *font)
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{
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if (--font->refs == 0)
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{
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if (font->drop)
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font->drop(font);
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fz_free(font->hmtx);
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fz_free(font->vmtx);
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fz_free(font);
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}
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}
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void
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fz_setfontwmode(fz_font *font, int wmode)
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{
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font->wmode = wmode;
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}
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void
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fz_setfontbbox(fz_font *font, int xmin, int ymin, int xmax, int ymax)
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{
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font->bbox.x0 = xmin;
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font->bbox.y0 = ymin;
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font->bbox.x1 = xmax;
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font->bbox.y1 = ymax;
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}
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void
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fz_setdefaulthmtx(fz_font *font, int w)
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{
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font->dhmtx.w = w;
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}
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void
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fz_setdefaultvmtx(fz_font *font, int y, int w)
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{
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font->dvmtx.y = y;
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font->dvmtx.w = w;
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}
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fz_error *
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fz_addhmtx(fz_font *font, int lo, int hi, int w)
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{
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int newcap;
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fz_hmtx *newmtx;
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if (font->nhmtx + 1 >= font->hmtxcap)
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{
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newcap = font->hmtxcap + 16;
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newmtx = fz_realloc(font->hmtx, sizeof(fz_hmtx) * newcap);
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if (!newmtx)
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return fz_outofmem;
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font->hmtxcap = newcap;
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font->hmtx = newmtx;
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}
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font->hmtx[font->nhmtx].lo = lo;
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font->hmtx[font->nhmtx].hi = hi;
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font->hmtx[font->nhmtx].w = w;
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font->nhmtx++;
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return nil;
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}
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fz_error *
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fz_addvmtx(fz_font *font, int lo, int hi, int x, int y, int w)
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{
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int newcap;
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fz_vmtx *newmtx;
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if (font->nvmtx + 1 >= font->vmtxcap)
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{
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newcap = font->vmtxcap + 16;
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newmtx = fz_realloc(font->vmtx, sizeof(fz_vmtx) * newcap);
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if (!newmtx)
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return fz_outofmem;
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font->vmtxcap = newcap;
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font->vmtx = newmtx;
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}
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font->vmtx[font->nvmtx].lo = lo;
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font->vmtx[font->nvmtx].hi = hi;
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font->vmtx[font->nvmtx].x = x;
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font->vmtx[font->nvmtx].y = y;
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font->vmtx[font->nvmtx].w = w;
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font->nvmtx++;
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return nil;
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}
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static int cmph(const void *a0, const void *b0)
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{
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fz_hmtx *a = (fz_hmtx*)a0;
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fz_hmtx *b = (fz_hmtx*)b0;
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return a->lo - b->lo;
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}
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static int cmpv(const void *a0, const void *b0)
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{
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fz_vmtx *a = (fz_vmtx*)a0;
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fz_vmtx *b = (fz_vmtx*)b0;
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return a->lo - b->lo;
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}
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fz_error *
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fz_endhmtx(fz_font *font)
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{
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fz_hmtx *newmtx;
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if (!font->hmtx)
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return nil;
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qsort(font->hmtx, font->nhmtx, sizeof(fz_hmtx), cmph);
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newmtx = fz_realloc(font->hmtx, sizeof(fz_hmtx) * font->nhmtx);
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if (!newmtx)
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return fz_outofmem;
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font->hmtxcap = font->nhmtx;
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font->hmtx = newmtx;
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return nil;
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}
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fz_error *
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fz_endvmtx(fz_font *font)
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{
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fz_vmtx *newmtx;
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if (!font->vmtx)
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return nil;
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qsort(font->vmtx, font->nvmtx, sizeof(fz_vmtx), cmpv);
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newmtx = fz_realloc(font->vmtx, sizeof(fz_vmtx) * font->nvmtx);
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if (!newmtx)
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return fz_outofmem;
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font->vmtxcap = font->nvmtx;
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font->vmtx = newmtx;
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return nil;
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}
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fz_hmtx
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fz_gethmtx(fz_font *font, int cid)
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{
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int l = 0;
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int r = font->nhmtx - 1;
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int m;
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if (!font->hmtx)
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goto notfound;
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while (l <= r)
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{
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m = (l + r) >> 1;
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if (cid < font->hmtx[m].lo)
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r = m - 1;
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else if (cid > font->hmtx[m].hi)
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l = m + 1;
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else
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return font->hmtx[m];
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}
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notfound:
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return font->dhmtx;
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}
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fz_vmtx
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fz_getvmtx(fz_font *font, int cid)
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{
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fz_hmtx h;
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fz_vmtx v;
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int l = 0;
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int r = font->nvmtx - 1;
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int m;
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if (!font->vmtx)
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goto notfound;
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while (l <= r)
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{
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m = (l + r) >> 1;
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if (cid < font->vmtx[m].lo)
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r = m - 1;
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else if (cid > font->vmtx[m].hi)
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l = m + 1;
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else
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return font->vmtx[m];
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}
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notfound:
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h = fz_gethmtx(font, cid);
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v = font->dvmtx;
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v.x = h.w / 2;
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return v;
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}
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void
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fz_debugfont(fz_font *font)
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{
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int i;
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printf("font '%s' {\n", font->name);
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printf(" wmode %d\n", font->wmode);
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printf(" bbox [%d %d %d %d]\n",
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font->bbox.x0, font->bbox.y0,
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font->bbox.x1, font->bbox.y1);
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printf(" DW %d\n", font->dhmtx.w);
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printf(" W {\n");
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for (i = 0; i < font->nhmtx; i++)
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printf(" <%04x> <%04x> %d\n",
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font->hmtx[i].lo, font->hmtx[i].hi, font->hmtx[i].w);
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printf(" }\n");
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if (font->wmode)
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{
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printf(" DW2 [%d %d]\n", font->dvmtx.y, font->dvmtx.w);
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printf(" W2 {\n");
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for (i = 0; i < font->nvmtx; i++)
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printf(" <%04x> <%04x> %d %d %d\n", font->vmtx[i].lo, font->vmtx[i].hi,
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font->vmtx[i].x, font->vmtx[i].y, font->vmtx[i].w);
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printf(" }\n");
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}
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printf("}\n");
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}
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