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authorTor Andersson <tor.andersson@artifex.com>2018-02-22 11:26:19 +0100
committerTor Andersson <tor.andersson@artifex.com>2018-02-27 14:08:27 +0100
commit4dfced061fe7bc64335d3ccd31435091de0e0fe1 (patch)
tree6f33236c732363e4cc65e8389fb7397907317aa6 /source/pdf/pdf-annot-edit.c
parentf4441c3c1a9a17275df5c75099633c4bf63a16d6 (diff)
downloadmupdf-4dfced061fe7bc64335d3ccd31435091de0e0fe1.tar.xz
Add annotation Vertices creation functions.
Diffstat (limited to 'source/pdf/pdf-annot-edit.c')
-rw-r--r--source/pdf/pdf-annot-edit.c78
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