diff options
| -rw-r--r-- | include/mupdf/pdf/annot.h | 4 | ||||
| -rw-r--r-- | source/pdf/pdf-annot-edit.c | 54 |
2 files changed, 58 insertions, 0 deletions
diff --git a/include/mupdf/pdf/annot.h b/include/mupdf/pdf/annot.h index 9f85d3ed..4b012ed7 100644 --- a/include/mupdf/pdf/annot.h +++ b/include/mupdf/pdf/annot.h @@ -140,6 +140,7 @@ void pdf_delete_annot(fz_context *ctx, pdf_page *page, pdf_annot *annot); int pdf_annot_has_ink_list(fz_context *ctx, pdf_annot *annot); int pdf_annot_has_quad_points(fz_context *ctx, pdf_annot *annot); int pdf_annot_has_vertices(fz_context *ctx, pdf_annot *annot); +int pdf_annot_has_line(fz_context *ctx, pdf_annot *annot); int pdf_annot_has_interior_color(fz_context *ctx, pdf_annot *annot); int pdf_annot_has_line_ending_styles(fz_context *ctx, pdf_annot *annot); int pdf_annot_has_icon_name(fz_context *ctx, pdf_annot *annot); @@ -178,6 +179,9 @@ void pdf_annot_line_ending_styles(fz_context *ctx, pdf_annot *annot, int *start_ const char *pdf_annot_icon_name(fz_context *ctx, pdf_annot *annot); int pdf_annot_is_open(fz_context *ctx, pdf_annot *annot); +void pdf_annot_line(fz_context *ctx, pdf_annot *annot, fz_point *a, fz_point *b); +void pdf_set_annot_line(fz_context *ctx, pdf_annot *annot, fz_point a, fz_point b); + int pdf_annot_vertex_count(fz_context *ctx, pdf_annot *annot); fz_point pdf_annot_vertex(fz_context *ctx, pdf_annot *annot, int i); diff --git a/source/pdf/pdf-annot-edit.c b/source/pdf/pdf-annot-edit.c index 64a73142..5b12fc40 100644 --- a/source/pdf/pdf-annot-edit.c +++ b/source/pdf/pdf-annot-edit.c @@ -587,6 +587,60 @@ pdf_set_annot_interior_color(fz_context *ctx, pdf_annot *annot, int n, const flo pdf_set_annot_color_imp(ctx, annot, PDF_NAME_IC, n, color, interior_color_subtypes); } +static pdf_obj *line_subtypes[] = { + PDF_NAME_Line, + NULL, +}; + +int +pdf_annot_has_line(fz_context *ctx, pdf_annot *annot) +{ + return is_allowed_subtype(ctx, annot, PDF_NAME_L, line_subtypes); +} + +void +pdf_annot_line(fz_context *ctx, pdf_annot *annot, fz_point *a, fz_point *b) +{ + fz_matrix page_ctm; + pdf_obj *line; + + check_allowed_subtypes(ctx, annot, PDF_NAME_L, line_subtypes); + + pdf_page_transform(ctx, annot->page, NULL, &page_ctm); + + line = pdf_dict_get(ctx, annot->obj, PDF_NAME_L); + a->x = pdf_to_real(ctx, pdf_array_get(ctx, line, 0)); + a->y = pdf_to_real(ctx, pdf_array_get(ctx, line, 1)); + b->x = pdf_to_real(ctx, pdf_array_get(ctx, line, 2)); + b->y = pdf_to_real(ctx, pdf_array_get(ctx, line, 3)); + fz_transform_point(a, &page_ctm); + fz_transform_point(b, &page_ctm); +} + +void +pdf_set_annot_line(fz_context *ctx, pdf_annot *annot, fz_point a, fz_point b) +{ + fz_matrix page_ctm, inv_page_ctm; + pdf_obj *line; + + check_allowed_subtypes(ctx, annot, PDF_NAME_L, line_subtypes); + + pdf_page_transform(ctx, annot->page, NULL, &page_ctm); + fz_invert_matrix(&inv_page_ctm, &page_ctm); + + fz_transform_point(&a, &inv_page_ctm); + fz_transform_point(&b, &inv_page_ctm); + + line = pdf_new_array(ctx, annot->page->doc, 4); + pdf_dict_put_drop(ctx, annot->obj, PDF_NAME_L, line); + pdf_array_push_real(ctx, line, a.x); + pdf_array_push_real(ctx, line, a.y); + pdf_array_push_real(ctx, line, b.x); + pdf_array_push_real(ctx, line, b.y); + + pdf_dirty_annot(ctx, annot); +} + static pdf_obj *vertices_subtypes[] = { PDF_NAME_PolyLine, PDF_NAME_Polygon, |