diff options
| -rw-r--r-- | source/pdf/pdf-annot-edit.c | 132 | ||||
| -rw-r--r-- | source/pdf/pdf-annot.c | 141 |
2 files changed, 132 insertions, 141 deletions
diff --git a/source/pdf/pdf-annot-edit.c b/source/pdf/pdf-annot-edit.c index decf5027..30afe149 100644 --- a/source/pdf/pdf-annot-edit.c +++ b/source/pdf/pdf-annot-edit.c @@ -12,6 +12,138 @@ #define isdigit(c) (c >= '0' && c <= '9') +static void +pdf_drop_annot_imp(fz_context *ctx, pdf_annot *annot) +{ + pdf_drop_obj(ctx, annot->ap); + pdf_drop_obj(ctx, annot->obj); +} + +void +pdf_drop_annots(fz_context *ctx, pdf_annot *annot) +{ + while (annot) + { + pdf_annot *next = annot->next; + fz_drop_annot(ctx, &annot->super); + annot = next; + } +} + +/* Create transform to fit appearance stream to annotation Rect */ +void +pdf_annot_transform(fz_context *ctx, pdf_annot *annot, fz_matrix *annot_ctm) +{ + fz_rect bbox, rect; + fz_matrix matrix; + float w, h, x, y; + + pdf_to_rect(ctx, pdf_dict_get(ctx, annot->obj, PDF_NAME(Rect)), &rect); + pdf_xobject_bbox(ctx, annot->ap, &bbox); + pdf_xobject_matrix(ctx, annot->ap, &matrix); + + fz_transform_rect(&bbox, &matrix); + if (bbox.x1 == bbox.x0) + w = 0; + else + w = (rect.x1 - rect.x0) / (bbox.x1 - bbox.x0); + if (bbox.y1 == bbox.y0) + h = 0; + else + h = (rect.y1 - rect.y0) / (bbox.y1 - bbox.y0); + x = rect.x0 - bbox.x0; + y = rect.y0 - bbox.y0; + + fz_pre_scale(fz_translate(annot_ctm, x, y), w, h); +} + +pdf_annot *pdf_new_annot(fz_context *ctx, pdf_page *page, pdf_obj *obj) +{ + pdf_annot *annot; + + annot = fz_new_derived_annot(ctx, pdf_annot); + + annot->super.drop_annot = (fz_annot_drop_fn*)pdf_drop_annot_imp; + annot->super.bound_annot = (fz_annot_bound_fn*)pdf_bound_annot; + annot->super.run_annot = (fz_annot_run_fn*)pdf_run_annot; + annot->super.next_annot = (fz_annot_next_fn*)pdf_next_annot; + + annot->page = page; /* only borrowed, as the page owns the annot */ + annot->obj = pdf_keep_obj(ctx, obj); + + return annot; +} + +void +pdf_load_annots(fz_context *ctx, pdf_page *page, pdf_obj *annots) +{ + pdf_document *doc = page->doc; + pdf_annot *annot; + pdf_obj *subtype; + int i, n; + + n = pdf_array_len(ctx, annots); + for (i = 0; i < n; ++i) + { + pdf_obj *obj = pdf_array_get(ctx, annots, i); + if (obj) + { + subtype = pdf_dict_get(ctx, obj, PDF_NAME(Subtype)); + if (pdf_name_eq(ctx, subtype, PDF_NAME(Link))) + continue; + if (pdf_name_eq(ctx, subtype, PDF_NAME(Popup))) + continue; + + annot = pdf_new_annot(ctx, page, obj); + fz_try(ctx) + { + pdf_update_annot(ctx, annot); + annot->has_new_ap = 0; + } + fz_catch(ctx) + fz_warn(ctx, "could not update appearance for annotation"); + + if (doc->focus_obj == obj) + doc->focus = annot; + + *page->annot_tailp = annot; + page->annot_tailp = &annot->next; + } + } +} + +pdf_annot * +pdf_first_annot(fz_context *ctx, pdf_page *page) +{ + return page ? page->annots : NULL; +} + +pdf_annot * +pdf_next_annot(fz_context *ctx, pdf_annot *annot) +{ + return annot ? annot->next : NULL; +} + +fz_rect * +pdf_bound_annot(fz_context *ctx, pdf_annot *annot, fz_rect *rect) +{ + pdf_obj *obj = pdf_dict_get(ctx, annot->obj, PDF_NAME(Rect)); + fz_rect mediabox; + fz_matrix page_ctm; + pdf_to_rect(ctx, obj, rect); + pdf_page_transform(ctx, annot->page, &mediabox, &page_ctm); + fz_transform_rect(rect, &page_ctm); + return rect; +} + +void +pdf_dirty_annot(fz_context *ctx, pdf_annot *annot) +{ + annot->needs_new_ap = 1; + if (annot->page && annot->page->doc) + annot->page->doc->dirty = 1; +} + const char * pdf_string_from_annot_type(fz_context *ctx, enum pdf_annot_type type) { diff --git a/source/pdf/pdf-annot.c b/source/pdf/pdf-annot.c deleted file mode 100644 index 38b62cf3..00000000 --- a/source/pdf/pdf-annot.c +++ /dev/null @@ -1,141 +0,0 @@ -#include "mupdf/fitz.h" -#include "mupdf/pdf.h" - -#include <string.h> - -#ifdef _WIN32 -#define timegm _mkgmtime -#endif - - -static void -pdf_drop_annot_imp(fz_context *ctx, pdf_annot *annot) -{ - pdf_drop_obj(ctx, annot->ap); - pdf_drop_obj(ctx, annot->obj); -} - -void -pdf_drop_annots(fz_context *ctx, pdf_annot *annot) -{ - while (annot) - { - pdf_annot *next = annot->next; - fz_drop_annot(ctx, &annot->super); - annot = next; - } -} - -/* Create transform to fit appearance stream to annotation Rect */ -void -pdf_annot_transform(fz_context *ctx, pdf_annot *annot, fz_matrix *annot_ctm) -{ - fz_rect bbox, rect; - fz_matrix matrix; - float w, h, x, y; - - pdf_to_rect(ctx, pdf_dict_get(ctx, annot->obj, PDF_NAME(Rect)), &rect); - pdf_xobject_bbox(ctx, annot->ap, &bbox); - pdf_xobject_matrix(ctx, annot->ap, &matrix); - - fz_transform_rect(&bbox, &matrix); - if (bbox.x1 == bbox.x0) - w = 0; - else - w = (rect.x1 - rect.x0) / (bbox.x1 - bbox.x0); - if (bbox.y1 == bbox.y0) - h = 0; - else - h = (rect.y1 - rect.y0) / (bbox.y1 - bbox.y0); - x = rect.x0 - bbox.x0; - y = rect.y0 - bbox.y0; - - fz_pre_scale(fz_translate(annot_ctm, x, y), w, h); -} - -pdf_annot *pdf_new_annot(fz_context *ctx, pdf_page *page, pdf_obj *obj) -{ - pdf_annot *annot; - - annot = fz_new_derived_annot(ctx, pdf_annot); - - annot->super.drop_annot = (fz_annot_drop_fn*)pdf_drop_annot_imp; - annot->super.bound_annot = (fz_annot_bound_fn*)pdf_bound_annot; - annot->super.run_annot = (fz_annot_run_fn*)pdf_run_annot; - annot->super.next_annot = (fz_annot_next_fn*)pdf_next_annot; - - annot->page = page; /* only borrowed, as the page owns the annot */ - annot->obj = pdf_keep_obj(ctx, obj); - - return annot; -} - -void -pdf_load_annots(fz_context *ctx, pdf_page *page, pdf_obj *annots) -{ - pdf_document *doc = page->doc; - pdf_annot *annot; - pdf_obj *subtype; - int i, n; - - n = pdf_array_len(ctx, annots); - for (i = 0; i < n; ++i) - { - pdf_obj *obj = pdf_array_get(ctx, annots, i); - if (obj) - { - subtype = pdf_dict_get(ctx, obj, PDF_NAME(Subtype)); - if (pdf_name_eq(ctx, subtype, PDF_NAME(Link))) - continue; - if (pdf_name_eq(ctx, subtype, PDF_NAME(Popup))) - continue; - - annot = pdf_new_annot(ctx, page, obj); - fz_try(ctx) - { - pdf_update_annot(ctx, annot); - annot->has_new_ap = 0; - } - fz_catch(ctx) - fz_warn(ctx, "could not update appearance for annotation"); - - if (doc->focus_obj == obj) - doc->focus = annot; - - *page->annot_tailp = annot; - page->annot_tailp = &annot->next; - } - } -} - -pdf_annot * -pdf_first_annot(fz_context *ctx, pdf_page *page) -{ - return page ? page->annots : NULL; -} - -pdf_annot * -pdf_next_annot(fz_context *ctx, pdf_annot *annot) -{ - return annot ? annot->next : NULL; -} - -fz_rect * -pdf_bound_annot(fz_context *ctx, pdf_annot *annot, fz_rect *rect) -{ - pdf_obj *obj = pdf_dict_get(ctx, annot->obj, PDF_NAME(Rect)); - fz_rect mediabox; - fz_matrix page_ctm; - pdf_to_rect(ctx, obj, rect); - pdf_page_transform(ctx, annot->page, &mediabox, &page_ctm); - fz_transform_rect(rect, &page_ctm); - return rect; -} - -void -pdf_dirty_annot(fz_context *ctx, pdf_annot *annot) -{ - annot->needs_new_ap = 1; - if (annot->page && annot->page->doc) - annot->page->doc->dirty = 1; -} |