| 0,0 → 1,138 |
|---|
| #include "fitz.h" |
| #include "mupdf.h" |
| |
| void |
| pdf_set_font_wmode(pdf_font_desc *font, int wmode) |
| { |
| font->wmode = wmode; |
| } |
| |
| void |
| pdf_set_default_hmtx(pdf_font_desc *font, int w) |
| { |
| font->dhmtx.w = w; |
| } |
| |
| void |
| pdf_set_default_vmtx(pdf_font_desc *font, int y, int w) |
| { |
| font->dvmtx.y = y; |
| font->dvmtx.w = w; |
| } |
| |
| void |
| pdf_add_hmtx(pdf_font_desc *font, int lo, int hi, int w) |
| { |
| if (font->hmtx_len + 1 >= font->hmtx_cap) |
| { |
| font->hmtx_cap = font->hmtx_cap + 16; |
| font->hmtx = fz_realloc(font->hmtx, font->hmtx_cap, sizeof(pdf_hmtx)); |
| } |
| |
| font->hmtx[font->hmtx_len].lo = lo; |
| font->hmtx[font->hmtx_len].hi = hi; |
| font->hmtx[font->hmtx_len].w = w; |
| font->hmtx_len++; |
| } |
| |
| void |
| pdf_add_vmtx(pdf_font_desc *font, int lo, int hi, int x, int y, int w) |
| { |
| if (font->vmtx_len + 1 >= font->vmtx_cap) |
| { |
| font->vmtx_cap = font->vmtx_cap + 16; |
| font->vmtx = fz_realloc(font->vmtx, font->vmtx_cap, sizeof(pdf_vmtx)); |
| } |
| |
| font->vmtx[font->vmtx_len].lo = lo; |
| font->vmtx[font->vmtx_len].hi = hi; |
| font->vmtx[font->vmtx_len].x = x; |
| font->vmtx[font->vmtx_len].y = y; |
| font->vmtx[font->vmtx_len].w = w; |
| font->vmtx_len++; |
| } |
| |
| 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_end_hmtx(pdf_font_desc *font) |
| { |
| if (!font->hmtx) |
| return; |
| qsort(font->hmtx, font->hmtx_len, sizeof(pdf_hmtx), cmph); |
| } |
| |
| void |
| pdf_end_vmtx(pdf_font_desc *font) |
| { |
| if (!font->vmtx) |
| return; |
| qsort(font->vmtx, font->vmtx_len, sizeof(pdf_vmtx), cmpv); |
| } |
| |
| pdf_hmtx |
| pdf_get_hmtx(pdf_font_desc *font, int cid) |
| { |
| int l = 0; |
| int r = font->hmtx_len - 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_get_vmtx(pdf_font_desc *font, int cid) |
| { |
| pdf_hmtx h; |
| pdf_vmtx v; |
| int l = 0; |
| int r = font->vmtx_len - 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_get_hmtx(font, cid); |
| v = font->dvmtx; |
| v.x = h.w / 2; |
| return v; |
| } |