Adding upstream version 1.3+ds.upstream/1.3+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 47 insertions, 0 deletions

diff --git a/src/pattern-manipulation.h b/src/pattern-manipulation.h
new file mode 100644
index 0000000..f76462c
--- /dev/null
+++ b/src/pattern-manipulation.h
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#ifndef INKSCAPE_PATTERN_MANIPULATION_H
+#define INKSCAPE_PATTERN_MANIPULATION_H
+
+#include <vector>
+#include <2geom/transforms.h>
+#include <2geom/2geom.h>
+
+class SPDocument;
+class SPPattern;
+
+// Find and load stock patterns if not yet loaded and return them
+std::vector<std::shared_ptr<SPDocument>> sp_get_stock_patterns();
+
+// Returns a list of "root" patterns in the defs of the given source document
+// Note: root pattern is the one with elements that are rendered; other patterns
+// may refer to it (through href) and have their own transformation; those are skipped
+std::vector<SPPattern*> sp_get_pattern_list(SPDocument* source);
+
+// Set fill color for a pattern.
+// If elements comprising pattern have no fill, they will inherit it.
+// Some patterns may not be affected at all if not designed to support color change.
+void sp_pattern_set_color(SPPattern* pattern, unsigned int color);
+
+// Set 'patternTransform' attribute
+void sp_pattern_set_transform(SPPattern* pattern, const Geom::Affine& transform);
+
+// set pattern 'x' & 'y' attributes; TODO: handle units, as necessary
+void sp_pattern_set_offset(SPPattern* pattern, const Geom::Point& offset);
+
+// simplified "preservedAspectRatio" for patterns; only yes/no ('xMidYMid' / 'none')
+void sp_pattern_set_uniform_scale(SPPattern* pattern, bool uniform);
+
+// Add a "gap" to pattern tile by enlarging its apparent size or overlap by shrinking;
+// gap percent values:
+// o 0% - no gap, seamless pattern
+// o >0% - positive gap; 100% is the gap the size of pattern itself
+// o <0% & >-100% - negative gap / overlap
+void sp_pattern_set_gap(SPPattern* link_pattern, Geom::Scale gap_percent);
+// Get pattern gap size as a percentage
+Geom::Scale sp_pattern_get_gap(SPPattern* link_pattern);
+
+// get pattern display name
+std::string sp_get_pattern_label(SPPattern* pattern);
+
+#endif