diff options
Diffstat (limited to 'ios/document.c')
| -rw-r--r-- | ios/document.c | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/ios/document.c b/ios/document.c deleted file mode 100644 index 0fb077ad..00000000 --- a/ios/document.c +++ /dev/null @@ -1,306 +0,0 @@ -#include "fitz/fitz.h" -#include "pdf/mupdf.h" -#include "xps/muxps.h" -#include "cbz/mucbz.h" -#include "document.h" - -#include <ctype.h> /* for tolower() */ - -struct document * -open_document(fz_context *ctx, char *filename) -{ - struct document *doc; - - doc = fz_malloc_struct(ctx, struct document); - memset(doc, 0, sizeof *doc); - doc->ctx = ctx; - doc->number = -1; - - fz_try(ctx) - { - if (strstr(filename, ".pdf") || strstr(filename, ".PDF")) - doc->pdf = pdf_open_document(ctx, filename); - else if (strstr(filename, ".xps") || strstr(filename, ".XPS")) - doc->xps = xps_open_document(ctx, filename); - else if (strstr(filename, ".cbz") || strstr(filename, ".CBZ") || strstr(filename, ".zip") || strstr(filename, ".ZIP")) - doc->cbz = cbz_open_document(ctx, filename); - else - fz_throw(ctx, "unknown document format"); - } - fz_catch(ctx) - { - close_document(doc); - return NULL; - } - - return doc; -} - -int -needs_password(struct document *doc) -{ - if (doc->pdf) - return pdf_needs_password(doc->pdf); - return 0; -} - -int -authenticate_password(struct document *doc, char *password) -{ - if (doc->pdf) - return pdf_authenticate_password(doc->pdf, password); - return 1; -} - -fz_outline * -load_outline(struct document *doc) -{ - fz_outline *outline; - fz_var(outline); - fz_try (doc->ctx) - { - if (doc->pdf) - outline = pdf_load_outline(doc->pdf); - else if (doc->xps) - outline = xps_load_outline(doc->xps); - else - outline = NULL; - } - fz_catch (doc->ctx) - { - outline = NULL; - } - return outline; -} - -int -count_pages(struct document *doc) -{ - if (doc->pdf) - return pdf_count_pages(doc->pdf); - else if (doc->xps) - return xps_count_pages(doc->xps); - else if (doc->cbz) - return cbz_count_pages(doc->cbz); - else - return 1; -} - -static void -load_page(struct document *doc, int number) -{ - if (doc->number == number) - return; - fz_try (doc->ctx) - { - doc->number = number; - if (doc->pdf) { - if (doc->pdf_page) - pdf_free_page(doc->pdf, doc->pdf_page); - doc->pdf_page = NULL; - doc->pdf_page = pdf_load_page(doc->pdf, number); - } - if (doc->xps) { - if (doc->xps_page) - xps_free_page(doc->xps, doc->xps_page); - doc->xps_page = NULL; - doc->xps_page = xps_load_page(doc->xps, number); - } - if (doc->cbz) { - if (doc->cbz_page) - cbz_free_page(doc->cbz, doc->cbz_page); - doc->cbz_page = NULL; - doc->cbz_page = cbz_load_page(doc->cbz, number); - } - } - fz_catch (doc->ctx) - { - fprintf(stderr, "cannot load page %d", number); - } -} - -void -measure_page(struct document *doc, int number, float *w, float *h) -{ - load_page(doc, number); - if (doc->pdf_page) { - fz_rect bounds = pdf_bound_page(doc->pdf, doc->pdf_page); - *w = bounds.x1 - bounds.x0; - *h = bounds.y1 - bounds.y0; - } - else if (doc->xps_page) { - fz_rect bounds = xps_bound_page(doc->xps, doc->xps_page); - *w = bounds.x1 - bounds.x0; - *h = bounds.y1 - bounds.y0; - } - else if (doc->cbz_page) { - fz_rect bounds = cbz_bound_page(doc->cbz, doc->cbz_page); - *w = bounds.x1 - bounds.x0; - *h = bounds.y1 - bounds.y0; - } - else { - *w = *h = 72; - } - fz_flush_warnings(doc->ctx); -} - -void -draw_page(struct document *doc, int number, fz_device *dev, fz_matrix ctm, fz_cookie *cookie) -{ - load_page(doc, number); - fz_try (doc->ctx) - { - if (doc->pdf_page) - pdf_run_page(doc->pdf, doc->pdf_page, dev, ctm, cookie); - else if (doc->xps_page) - xps_run_page(doc->xps, doc->xps_page, dev, ctm, cookie); - else if (doc->cbz_page) - cbz_run_page(doc->cbz, doc->cbz_page, dev, ctm, cookie); - } - fz_catch (doc->ctx) - { - fprintf(stderr, "cannot draw page %d", number); - } - fz_flush_warnings(doc->ctx); -} - -static fz_text_char -textcharat(fz_text_page *page, int idx) -{ - static fz_text_char emptychar = { {0,0,0,0}, ' ' }; - fz_text_block *block; - fz_text_line *line; - fz_text_span *span; - int ofs = 0; - for (block = page->blocks; block < page->blocks + page->len; block++) - { - for (line = block->lines; line < block->lines + block->len; line++) - { - for (span = line->spans; span < line->spans + line->len; span++) - { - if (idx < ofs + span->len) - return span->text[idx - ofs]; - /* pseudo-newline */ - if (span + 1 == line->spans + line->len) - { - if (idx == ofs + span->len) - return emptychar; - ofs++; - } - ofs += span->len; - } - } - } - return emptychar; -} - -static int -charat(fz_text_page *page, int idx) -{ - return textcharat(page, idx).c; -} - -static fz_bbox -bboxat(fz_text_page *page, int idx) -{ - return fz_round_rect(textcharat(page, idx).bbox); -} - -static int -textlen(fz_text_page *page) -{ - fz_text_block *block; - fz_text_line *line; - fz_text_span *span; - int len = 0; - for (block = page->blocks; block < page->blocks + page->len; block++) - { - for (line = block->lines; line < block->lines + block->len; line++) - { - for (span = line->spans; span < line->spans + line->len; span++) - len += span->len; - len++; /* pseudo-newline */ - } - } - return len; -} - -static int -match(fz_text_page *page, const char *s, int n) -{ - int orig = n; - int c; - while (*s) { - s += fz_chartorune(&c, (char *)s); - if (c == ' ' && charat(page, n) == ' ') { - while (charat(page, n) == ' ') - n++; - } else { - if (tolower(c) != tolower(charat(page, n))) - return 0; - n++; - } - } - return n - orig; -} - -int -search_page(struct document *doc, int number, char *needle, fz_cookie *cookie) -{ - int pos, len, i, n; - - if (strlen(needle) == 0) - return 0; - - fz_text_sheet *sheet = fz_new_text_sheet(doc->ctx); - fz_text_page *text = fz_new_text_page(doc->ctx, fz_empty_rect); - fz_device *dev = fz_new_text_device(doc->ctx, sheet, text); - draw_page(doc, number, dev, fz_identity, cookie); - fz_free_device(dev); - - doc->hit_count = 0; - - len = textlen(text); - for (pos = 0; pos < len; pos++) { - n = match(text, needle, pos); - if (n) { - for (i = 0; i < n; i++) { - fz_bbox r = bboxat(text, pos + i); - if (!fz_is_empty_bbox(r) && doc->hit_count < nelem(doc->hit_bbox)) - doc->hit_bbox[doc->hit_count++] = r; - } - } - } - - fz_free_text_page(doc->ctx, text); - fz_free_text_sheet(doc->ctx, sheet); - return doc->hit_count; -} - -fz_bbox -search_result_bbox(struct document *doc, int i) -{ - return doc->hit_bbox[i]; -} - -void -close_document(struct document *doc) -{ - if (doc->pdf) { - if (doc->pdf_page) - pdf_free_page(doc->pdf, doc->pdf_page); - pdf_close_document(doc->pdf); - } - if (doc->xps) { - if (doc->xps_page) - xps_free_page(doc->xps, doc->xps_page); - xps_close_document(doc->xps); - } - if (doc->cbz) { - if (doc->cbz_page) - cbz_free_page(doc->cbz, doc->cbz_page); - cbz_close_document(doc->cbz); - } - fz_flush_warnings(doc->ctx); - fz_free(doc->ctx, doc); -} |