diff options
| -rw-r--r-- | zathura-note/note.c | 197 |
1 files changed, 112 insertions, 85 deletions
diff --git a/zathura-note/note.c b/zathura-note/note.c index 8fb270b..43012b2 100644 --- a/zathura-note/note.c +++ b/zathura-note/note.c @@ -8,6 +8,7 @@ typedef struct { zip_t *zip; plist_t session_plist; plist_t metadata_plist; + double width, height; // Page size is constant } note_document_t; // Found by reverse engineering @@ -26,7 +27,7 @@ static void plist_dump(plist_t plist, int depth) plist_get_bool_val(plist, &val); printf("<bool>%s</bool>\n", val ? "true" : "false"); } else if (PLIST_IS_UINT(plist)) { - unsigned long val; + size_t val; plist_get_uint_val(plist, &val); printf("<uint>%lu</uint>\n", val); } else if (PLIST_IS_REAL(plist)) { @@ -93,8 +94,9 @@ static void plist_dump(plist_t plist, int depth) plist_get_date_val(plist, &sec, &usec); printf("<date>%d</date>\n", sec); // Since 01/01/2001 } else if (PLIST_IS_DATA(plist)) { - unsigned long length; + size_t length; const char *val = plist_get_data_ptr(plist, &length); + (void)val; printf("<data length=\"%lu\">...</data>\n", length); } else if (PLIST_IS_KEY(plist)) { char *val; @@ -102,7 +104,7 @@ static void plist_dump(plist_t plist, int depth) printf("<key>%s</key>\n", val); free(val); } else if (PLIST_IS_UID(plist)) { - unsigned long val; + size_t val; plist_get_uid_val(plist, &val); printf("<uid>%lu</uid>\n", val); } @@ -141,66 +143,35 @@ static zathura_error_t plist_load(zip_t *zip, plist_t *plist, const char *root_n return ZATHURA_ERROR_OK; } -static plist_t plist_session_objects(plist_t session_plist) +static const void *plist_dict_get_data(plist_t node, const char *name, size_t *length) { - plist_t objects = plist_dict_get_item(session_plist, "$objects"); - if (!PLIST_IS_ARRAY(objects)) { - fprintf(stderr, "Invalid objects type\n"); - return 0; - } - return objects; -} - -static plist_t plist_session_format_information(plist_t session_plist) -{ - plist_t objects = plist_session_objects(session_plist); - if (!objects) - return 0; - - plist_t format = plist_array_get_item(objects, SESSION_OBJECTS_FORMAT_INFO); - if (!PLIST_IS_DICT(format)) { - fprintf(stderr, "Invalid format information type\n"); + plist_t data = plist_dict_get_item(node, name); + if (!PLIST_IS_DATA(data)) return 0; - } - return format; + const char *chars = plist_get_data_ptr(data, length); + return chars; } static plist_t plist_handwriting_overlay(plist_t session_plist) { - plist_t objects = plist_session_objects(session_plist); - if (!objects) - return 0; - - plist_t format = plist_array_get_item(objects, SESSION_OBJECTS_FORMAT_INFO); - if (!PLIST_IS_DICT(format)) { - fprintf(stderr, "Invalid format information\n"); - return 0; - } - - plist_t overlay_pointer = plist_dict_get_item(format, "Handwriting Overlay"); + plist_t overlay_pointer = plist_access_path( + session_plist, 3, "$objects", SESSION_OBJECTS_FORMAT_INFO, "Handwriting Overlay"); if (!PLIST_IS_UID(overlay_pointer)) { fprintf(stderr, "Invalid handwriting overlay pointer\n"); return 0; } - unsigned long index; + size_t index; plist_get_uid_val(overlay_pointer, &index); - - plist_t overlay_info = plist_array_get_item(objects, index); - if (!PLIST_IS_DICT(overlay_info)) { - fprintf(stderr, "Invalid overlay info item\n"); - return 0; - } - - plist_t spatial_hash = plist_dict_get_item(overlay_info, "SpatialHash"); + plist_t spatial_hash = + plist_access_path(session_plist, 3, "$objects", index, "SpatialHash"); if (!PLIST_IS_UID(spatial_hash)) { fprintf(stderr, "Invalid spatial hash\n"); return 0; } plist_get_uid_val(spatial_hash, &index); - - plist_t overlay = plist_array_get_item(objects, index); + plist_t overlay = plist_access_path(session_plist, 2, "$objects", index); if (!PLIST_IS_DICT(overlay)) { fprintf(stderr, "Invalid handwriting overlay\n"); return 0; @@ -209,43 +180,85 @@ static plist_t plist_handwriting_overlay(plist_t session_plist) return overlay; } -static const void *plist_dict_get_data(plist_t node, const char *name, unsigned long *length) +// TODO: Find more elegant solution for page count (there doesn't seem to be) +static int plist_page_count(plist_t session_plist, double page_height) { - plist_t data = plist_dict_get_item(node, name); - if (!PLIST_IS_DATA(data)) - return 0; - const char *chars = plist_get_data_ptr(data, length); - return chars; + plist_t overlay = plist_handwriting_overlay(session_plist); + size_t curves_length = 0; + const float *curves = plist_dict_get_data(overlay, "curvespoints", &curves_length); + + // Find highest y curve-point + double max = 0; + for (size_t i = 0; i < curves_length / sizeof(*curves); i += 2) + if (curves[i + 1] > max) + max = curves[i + 1]; + + return (int)(max / page_height) + 1; } -static float plist_page_width(plist_t session_plist) +static float plist_page_ratio(plist_t session_plist) { - plist_t objects = plist_session_objects(session_plist); - if (!objects) - return 0; + float ratio = 1.414; // DIN ratio because why not - plist_t format = plist_array_get_item(objects, SESSION_OBJECTS_FORMAT_INFO); - if (!PLIST_IS_DICT(format)) { - fprintf(stderr, "Invalid format information\n"); - return 0; + plist_t paper_layout_pointer = + plist_access_path(session_plist, 3, "$objects", SESSION_OBJECTS_GENERAL_INFO, + "NBNoteTakingSessionDocumentPaperLayoutModelKey"); + if (!PLIST_IS_UID(paper_layout_pointer)) { + fprintf(stderr, "Invalid reflow state pointer\n"); + return ratio; } - plist_t reflow_state_pointer = plist_dict_get_item(format, "reflowState"); - if (!PLIST_IS_UID(reflow_state_pointer)) { - fprintf(stderr, "Invalid reflow state pointer\n"); - return 0; + size_t index; + plist_get_uid_val(paper_layout_pointer, &index); + plist_t attributes_pointer = + plist_access_path(session_plist, 3, "$objects", index, "documentPaperAttributes"); + if (!PLIST_IS_UID(attributes_pointer)) { + fprintf(stderr, "Invalid paper attributes pointer\n"); + return ratio; } - unsigned long index; - plist_get_uid_val(reflow_state_pointer, &index); + plist_get_uid_val(attributes_pointer, &index); + plist_t paper_pointer = + plist_access_path(session_plist, 3, "$objects", index, "paperIdentifier"); + if (!PLIST_IS_UID(paper_pointer)) { + fprintf(stderr, "Invalid paper identifier pointer\n"); + return ratio; + } - plist_t reflow_state = plist_array_get_item(objects, index); - if (!PLIST_IS_DICT(reflow_state)) { - fprintf(stderr, "Invalid reflow state item\n"); + plist_get_uid_val(paper_pointer, &index); + plist_t identifier = plist_access_path(session_plist, 2, "$objects", index); + if (!PLIST_IS_STRING(identifier)) { + fprintf(stderr, "Invalid paper identifier\n"); + return ratio; + } + + size_t type_length; + const char *type = plist_get_string_ptr(identifier, &type_length); + if (!memcmp(type, "Legacy:13", type_length)) + ratio = 1.3; // Or does 13 refer to 13x19"?? + else if (!memcmp(type, "Legacy:0", type_length)) + // 0 means page not renderable (?) + fprintf(stderr, "Page identifies as not renderable, please report\n"); + else + fprintf(stderr, "Unknown paper identifier, please report: %.*s\n", (int)type_length, + type); + + return ratio; +} + +static float plist_page_width(plist_t session_plist) +{ + plist_t reflow_state_pointer = plist_access_path( + session_plist, 3, "$objects", SESSION_OBJECTS_FORMAT_INFO, "reflowState"); + if (!PLIST_IS_UID(reflow_state_pointer)) { + fprintf(stderr, "Invalid reflow state pointer\n"); return 0; } - plist_t page_width = plist_dict_get_item(reflow_state, "pageWidthInDocumentCoordsKey"); + size_t index; + plist_get_uid_val(reflow_state_pointer, &index); + plist_t page_width = plist_access_path(session_plist, 3, "$objects", index, + "pageWidthInDocumentCoordsKey"); if (!PLIST_IS_REAL(page_width)) { fprintf(stderr, "Invalid page width\n"); return 0; @@ -310,8 +323,17 @@ GIRARA_HIDDEN zathura_error_t note_document_open(zathura_document_t *document) note_document->zip = zip; + note_document->width = plist_page_width(note_document->session_plist); + if (note_document->width < 1) { + fprintf(stderr, "Setting invalid width %f to 500\n", note_document->width); + note_document->width = 500; + } + note_document->height = + note_document->width * plist_page_ratio(note_document->session_plist); + zathura_document_set_data(document, note_document); - zathura_document_set_number_of_pages(document, 1); // TODO: Get page count + zathura_document_set_number_of_pages( + document, plist_page_count(note_document->session_plist, note_document->height)); free(root_name); return ZATHURA_ERROR_OK; @@ -330,12 +352,8 @@ GIRARA_HIDDEN zathura_error_t note_document_free(zathura_document_t *document, v GIRARA_HIDDEN zathura_error_t note_page_init(zathura_page_t *page) { note_document_t *note_document = zathura_document_get_data(zathura_page_get_document(page)); - float width = plist_page_width(note_document->session_plist); - if (width < 1) - return ZATHURA_ERROR_NOT_IMPLEMENTED; - - zathura_page_set_width(page, width); - zathura_page_set_height(page, width * 1.41); // Always A4? + zathura_page_set_width(page, note_document->width); + zathura_page_set_height(page, note_document->height); return ZATHURA_ERROR_OK; } @@ -359,22 +377,27 @@ GIRARA_HIDDEN zathura_error_t note_page_render_cairo(zathura_page_t *page, void /* plist_dump(note_document->session_plist, 0); */ /* return ZATHURA_ERROR_OK; */ + double height = zathura_page_get_height(page); + unsigned int number = zathura_page_get_index(page); + double page_start = height * number; + double page_end = height * (number + 1); + // Array of points on curve - unsigned long curves_length = 0; + size_t curves_length = 0; const float *curves = plist_dict_get_data(overlay, "curvespoints", &curves_length); // Specifies the number of points of a curve (using index of *curves) - unsigned long curves_num_length = 0; + size_t curves_num_length = 0; const unsigned int *curves_num = plist_dict_get_data(overlay, "curvesnumpoints", &curves_num_length); // Width of curves - unsigned long curves_width_length = 0; + size_t curves_width_length = 0; const float *curves_width = plist_dict_get_data(overlay, "curveswidth", &curves_width_length); // Colors of curves - unsigned long curves_colors_length = 0; + size_t curves_colors_length = 0; const char *curves_colors = plist_dict_get_data(overlay, "curvescolors", &curves_colors_length); @@ -383,18 +406,22 @@ GIRARA_HIDDEN zathura_error_t note_page_render_cairo(zathura_page_t *page, void !curves_colors_length || !curves_width || !curves_width_length) return ZATHURA_ERROR_NOT_IMPLEMENTED; - unsigned long limit = curves_num_length / sizeof(*curves_num); + size_t limit = curves_num_length / sizeof(*curves_num); unsigned int pos = 0; - for (unsigned long i = 0; i < limit; i++) { + for (size_t i = 0; i < limit; i++) { const unsigned int length = curves_num[i]; const char *color = &curves_colors[i * 4]; cairo_set_source_rgba(cairo, color[0] & 0xff, color[1] & 0xff, color[2] & 0xff, (float)(color[3] & 0xff) / 255); cairo_set_line_width(cairo, curves_width[i]); - cairo_move_to(cairo, curves[pos], curves[pos + 1]); - for (unsigned int j = pos; j < pos + length * 2; j += 2) - cairo_line_to(cairo, curves[j], curves[j + 1]); + if (curves[pos + 1] >= page_start && curves[pos + 1] <= page_end) + cairo_move_to(cairo, curves[pos], curves[pos + 1] - page_start); + + for (unsigned int j = pos; j < pos + length * 2; j += 2) { + if (curves[j + 1] >= page_start && curves[j + 1] <= page_end) + cairo_line_to(cairo, curves[j], curves[j + 1] - page_start); + } cairo_stroke(cairo); pos += length * 2; |