diff options
Diffstat (limited to 'source/pdf/pdf-annot-edit.c')
-rw-r--r-- | source/pdf/pdf-annot-edit.c | 78 |
1 files changed, 62 insertions, 16 deletions
diff --git a/source/pdf/pdf-annot-edit.c b/source/pdf/pdf-annot-edit.c index 97671eea..64a73142 100644 --- a/source/pdf/pdf-annot-edit.c +++ b/source/pdf/pdf-annot-edit.c @@ -608,8 +608,8 @@ pdf_annot_vertex_count(fz_context *ctx, pdf_annot *annot) return pdf_array_len(ctx, vertices) / 2; } -void -pdf_annot_vertex(fz_context *ctx, pdf_annot *annot, int i, float v[2]) +fz_point +pdf_annot_vertex(fz_context *ctx, pdf_annot *annot, int i) { pdf_obj *vertices; fz_matrix page_ctm; @@ -624,8 +624,8 @@ pdf_annot_vertex(fz_context *ctx, pdf_annot *annot, int i, float v[2]) point.x = pdf_to_real(ctx, pdf_array_get(ctx, vertices, i * 2)); point.y = pdf_to_real(ctx, pdf_array_get(ctx, vertices, i * 2 + 1)); fz_transform_point(&point, &page_ctm); - v[0] = point.x; - v[1] = point.y; + + return point; } void @@ -657,6 +657,56 @@ pdf_set_annot_vertices(fz_context *ctx, pdf_annot *annot, int n, const float *v) pdf_dirty_annot(ctx, annot); } +void pdf_clear_annot_vertices(fz_context *ctx, pdf_annot *annot) +{ + check_allowed_subtypes(ctx, annot, PDF_NAME_Vertices, vertices_subtypes); + pdf_dict_del(ctx, annot->obj, PDF_NAME_Vertices); + pdf_dirty_annot(ctx, annot); +} + +void pdf_add_annot_vertex(fz_context *ctx, pdf_annot *annot, fz_point p) +{ + pdf_document *doc = annot->page->doc; + fz_matrix page_ctm, inv_page_ctm; + pdf_obj *vertices; + + check_allowed_subtypes(ctx, annot, PDF_NAME_Vertices, vertices_subtypes); + + pdf_page_transform(ctx, annot->page, NULL, &page_ctm); + fz_invert_matrix(&inv_page_ctm, &page_ctm); + + vertices = pdf_dict_get(ctx, annot->obj, PDF_NAME_Vertices); + if (!pdf_is_array(ctx, vertices)) + { + vertices = pdf_new_array(ctx, doc, 32); + pdf_dict_put_drop(ctx, annot->obj, PDF_NAME_Vertices, vertices); + } + + fz_transform_point(&p, &inv_page_ctm); + pdf_array_push_real(ctx, vertices, p.x); + pdf_array_push_real(ctx, vertices, p.y); + + pdf_dirty_annot(ctx, annot); +} + +void pdf_set_annot_vertex(fz_context *ctx, pdf_annot *annot, int i, fz_point p) +{ + pdf_document *doc = annot->page->doc; + fz_matrix page_ctm, inv_page_ctm; + pdf_obj *vertices; + + check_allowed_subtypes(ctx, annot, PDF_NAME_Vertices, vertices_subtypes); + + pdf_page_transform(ctx, annot->page, NULL, &page_ctm); + fz_invert_matrix(&inv_page_ctm, &page_ctm); + + fz_transform_point(&p, &inv_page_ctm); + + vertices = pdf_dict_get(ctx, annot->obj, PDF_NAME_Vertices); + pdf_array_put_drop(ctx, vertices, i * 2 + 0, pdf_new_real(ctx, doc, p.x)); + pdf_array_put_drop(ctx, vertices, i * 2 + 1, pdf_new_real(ctx, doc, p.y)); +} + static pdf_obj *quad_point_subtypes[] = { PDF_NAME_Highlight, PDF_NAME_Link, @@ -766,30 +816,26 @@ pdf_annot_ink_list_stroke_count(fz_context *ctx, pdf_annot *annot, int i) return pdf_array_len(ctx, stroke) / 2; } -void -pdf_annot_ink_list_stroke_vertex(fz_context *ctx, pdf_annot *annot, int i, int k, float v[2]) +fz_point +pdf_annot_ink_list_stroke_vertex(fz_context *ctx, pdf_annot *annot, int i, int k) { pdf_obj *ink_list; pdf_obj *stroke; fz_matrix page_ctm; - fz_point point = { 0, 0 }; + fz_point point; check_allowed_subtypes(ctx, annot, PDF_NAME_InkList, ink_list_subtypes); ink_list = pdf_dict_get(ctx, annot->obj, PDF_NAME_InkList); stroke = pdf_array_get(ctx, ink_list, i); - if (v) - { - pdf_page_transform(ctx, annot->page, NULL, &page_ctm); + pdf_page_transform(ctx, annot->page, NULL, &page_ctm); - point.x = pdf_to_real(ctx, pdf_array_get(ctx, stroke, k * 2 + 0)); - point.y = pdf_to_real(ctx, pdf_array_get(ctx, stroke, k * 2 + 1)); - fz_transform_point(&point, &page_ctm); + point.x = pdf_to_real(ctx, pdf_array_get(ctx, stroke, k * 2 + 0)); + point.y = pdf_to_real(ctx, pdf_array_get(ctx, stroke, k * 2 + 1)); + fz_transform_point(&point, &page_ctm); - v[0] = point.x; - v[1] = point.y; - } + return point; } void |