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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
commitcca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch)
tree146f39ded1c938019e1ed42d30923c2ac9e86789 /src/live_effects/effect.cpp
parentInitial commit. (diff)
downloadinkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.tar.xz
inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.zip
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/live_effects/effect.cpp')
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diff --git a/src/live_effects/effect.cpp b/src/live_effects/effect.cpp
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+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
+ * Abhishek Sharma
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h" // only include where actually required!
+#endif
+
+//#define LPE_ENABLE_TEST_EFFECTS //uncomment for toy effects
+
+// include effects:
+#include <cstdio>
+#include <cstring>
+#include <gtkmm/expander.h>
+#include <pangomm/layout.h>
+
+#include "display/curve.h"
+#include "inkscape.h"
+#include "live_effects/effect.h"
+#include "live_effects/lpe-angle_bisector.h"
+#include "live_effects/lpe-attach-path.h"
+#include "live_effects/lpe-bendpath.h"
+#include "live_effects/lpe-bool.h"
+#include "live_effects/lpe-bounding-box.h"
+#include "live_effects/lpe-bspline.h"
+#include "live_effects/lpe-circle_3pts.h"
+#include "live_effects/lpe-circle_with_radius.h"
+#include "live_effects/lpe-clone-original.h"
+#include "live_effects/lpe-constructgrid.h"
+#include "live_effects/lpe-copy_rotate.h"
+#include "live_effects/lpe-curvestitch.h"
+#include "live_effects/lpe-dashed-stroke.h"
+#include "live_effects/lpe-dynastroke.h"
+#include "live_effects/lpe-ellipse_5pts.h"
+#include "live_effects/lpe-embrodery-stitch.h"
+#include "live_effects/lpe-envelope.h"
+#include "live_effects/lpe-extrude.h"
+#include "live_effects/lpe-fill-between-many.h"
+#include "live_effects/lpe-fill-between-strokes.h"
+#include "live_effects/lpe-fillet-chamfer.h"
+#include "live_effects/lpe-gears.h"
+#include "live_effects/lpe-interpolate.h"
+#include "live_effects/lpe-interpolate_points.h"
+#include "live_effects/lpe-jointype.h"
+#include "live_effects/lpe-knot.h"
+#include "live_effects/lpe-lattice.h"
+#include "live_effects/lpe-lattice2.h"
+#include "live_effects/lpe-line_segment.h"
+#include "live_effects/lpe-measure-segments.h"
+#include "live_effects/lpe-mirror_symmetry.h"
+#include "live_effects/lpe-offset.h"
+#include "live_effects/lpe-parallel.h"
+#include "live_effects/lpe-path_length.h"
+#include "live_effects/lpe-patternalongpath.h"
+#include "live_effects/lpe-perp_bisector.h"
+#include "live_effects/lpe-perspective-envelope.h"
+#include "live_effects/lpe-powerclip.h"
+#include "live_effects/lpe-powermask.h"
+#include "live_effects/lpe-powerstroke.h"
+#include "live_effects/lpe-pts2ellipse.h"
+#include "live_effects/lpe-recursiveskeleton.h"
+#include "live_effects/lpe-rough-hatches.h"
+#include "live_effects/lpe-roughen.h"
+#include "live_effects/lpe-ruler.h"
+#include "live_effects/lpe-show_handles.h"
+#include "live_effects/lpe-simplify.h"
+#include "live_effects/lpe-sketch.h"
+#include "live_effects/lpe-slice.h"
+#include "live_effects/lpe-spiro.h"
+#include "live_effects/lpe-tangent_to_curve.h"
+#include "live_effects/lpe-taperstroke.h"
+#include "live_effects/lpe-test-doEffect-stack.h"
+#include "live_effects/lpe-text_label.h"
+#include "live_effects/lpe-tiling.h"
+#include "live_effects/lpe-transform_2pts.h"
+#include "live_effects/lpe-vonkoch.h"
+#include "live_effects/lpeobject.h"
+#include "message-stack.h"
+#include "object/sp-defs.h"
+#include "object/sp-root.h"
+#include "object/sp-shape.h"
+#include "path-chemistry.h"
+#include "ui/icon-loader.h"
+#include "ui/tools/node-tool.h"
+#include "ui/tools/pen-tool.h"
+#include "xml/node-event-vector.h"
+#include "xml/sp-css-attr.h"
+
+namespace Inkscape {
+
+namespace LivePathEffect {
+
+const EnumEffectData<EffectType> LPETypeData[] = {
+ // {constant defined in effect-enum.h, N_("name of your effect"), "name of your effect in SVG"}
+ // please sync order with effect-enum.h
+/* 0.46 */
+ {
+ BEND_PATH,
+ NC_("path effect", "Bend") ,//label
+ "bend_path" ,//key
+ "bend-path" ,//icon
+ N_("Bend an object along the curvature of another path") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ GEARS,
+ NC_("path effect", "Gears") ,//label
+ "gears" ,//key
+ "gears" ,//icon
+ N_("Create interlocking, configurable gears based on the nodes of a path") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ PATTERN_ALONG_PATH,
+ NC_("path effect", "Pattern Along Path") ,//label
+ "skeletal" ,//key
+ "skeletal" ,//icon
+ N_("Place one or more copies of another path along the path") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ }, // for historic reasons, this effect is called skeletal(strokes) in Inkscape:SVG
+ {
+ CURVE_STITCH,
+ NC_("path effect", "Stitch Sub-Paths") ,//label
+ "curvestitching" ,//key
+ "curvestitching" ,//icon
+ N_("Draw perpendicular lines between subpaths of a path, like rungs of a ladder") ,//description
+ true ,//on_path
+ false ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+/* 0.47 */
+ {
+ VONKOCH,
+ NC_("path effect", "VonKoch") ,//label
+ "vonkoch" ,//key
+ "vonkoch" ,//icon
+ N_("Create VonKoch fractal") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ KNOT,
+ NC_("path effect", "Knot") ,//label
+ "knot" ,//key
+ "knot" ,//icon
+ N_("Create gaps in self-intersections, as in Celtic knots") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ CONSTRUCT_GRID,
+ NC_("path effect", "Construct grid") ,//label
+ "construct_grid" ,//key
+ "construct-grid" ,//icon
+ N_("Create a (perspective) grid from a 3-node path") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ SPIRO,
+ NC_("path effect", "Spiro spline") ,//label
+ "spiro" ,//key
+ "spiro" ,//icon
+ N_("Make the path curl like wire, using Spiro B-Splines. This effect is usually used directly on the canvas with the Spiro mode of the drawing tools.") ,//description
+ true ,//on_path
+ false ,//on_shape
+ false ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ ENVELOPE,
+ NC_("path effect", "Envelope Deformation") ,//label
+ "envelope" ,//key
+ "envelope" ,//icon
+ N_("Adjust the shape of an object by transforming paths on its four sides") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ INTERPOLATE,
+ NC_("path effect", "Interpolate Sub-Paths") ,//label
+ "interpolate" ,//key
+ "interpolate" ,//icon
+ N_("Create a stepwise transition between the 2 subpaths of a path") ,//description
+ true ,//on_path
+ false ,//on_shape
+ false ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ ROUGH_HATCHES,
+ NC_("path effect", "Hatches (rough)") ,//label
+ "rough_hatches" ,//key
+ "rough-hatches" ,//icon
+ N_("Fill the object with adjustable hatching") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ SKETCH,
+ NC_("path effect", "Sketch") ,//label
+ "sketch" ,//key
+ "sketch" ,//icon
+ N_("Draw multiple short strokes along the path, as in a pencil sketch") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ RULER,
+ NC_("path effect", "Ruler") ,//label
+ "ruler" ,//key
+ "ruler" ,//icon
+ N_("Add ruler marks to the object in adjustable intervals, using the object's stroke style.") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+/* 0.91 */
+ {
+ POWERSTROKE,
+ NC_("path effect", "Power stroke") ,//label
+ "powerstroke" ,//key
+ "powerstroke" ,//icon
+ N_("Create calligraphic strokes and control their variable width and curvature. This effect can also be used directly on the canvas with a pressure sensitive stylus and the Pencil tool.") ,//description
+ true ,//on_path
+ true ,//on_shape
+ false ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ CLONE_ORIGINAL,
+ NC_("path effect", "Clone original") ,//label
+ "clone_original" ,//key
+ "clone-original" ,//icon
+ N_("Let an object take on the shape, fill, stroke and/or other attributes of another object.") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+/* 0.92 */
+ {
+ SIMPLIFY,
+ NC_("path effect", "Simplify") ,//label
+ "simplify" ,//key
+ "simplify" ,//icon
+ N_("Smoothen and simplify a object. This effect is also available in the Pencil tool's tool controls.") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ LATTICE2,
+ NC_("path effect", "Lattice Deformation 2") ,//label
+ "lattice2" ,//key
+ "lattice2" ,//icon
+ N_("Warp an object's shape based on a 5x5 grid") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ PERSPECTIVE_ENVELOPE,
+ NC_("path effect", "Perspective/Envelope") ,//label
+ "perspective-envelope" ,//key wrong key with "-" retain because historic
+ "perspective-envelope" ,//icon
+ N_("Transform the object to fit into a shape with four corners, either by stretching it or creating the illusion of a 3D-perspective") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ INTERPOLATE_POINTS,
+ NC_("path effect", "Interpolate points") ,//label
+ "interpolate_points" ,//key
+ "interpolate-points" ,//icon
+ N_("Connect the nodes of the object (e.g. corresponding to data points) by different types of lines.") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ TRANSFORM_2PTS,
+ NC_("path effect", "Transform by 2 points") ,//label
+ "transform_2pts" ,//key
+ "transform-2pts" ,//icon
+ N_("Scale, stretch and rotate an object by two handles") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ SHOW_HANDLES,
+ NC_("path effect", "Show handles") ,//label
+ "show_handles" ,//key
+ "show-handles" ,//icon
+ N_("Draw the handles and nodes of objects (replaces the original styling with a black stroke)") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ ROUGHEN,
+ NC_("path effect", "Roughen") ,//label
+ "roughen" ,//key
+ "roughen" ,//icon
+ N_("Roughen an object by adding and randomly shifting new nodes") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ BSPLINE,
+ NC_("path effect", "BSpline") ,//label
+ "bspline" ,//key
+ "bspline" ,//icon
+ N_("Create a BSpline that molds into the path's corners. This effect is usually used directly on the canvas with the BSpline mode of the drawing tools.") ,//description
+ true ,//on_path
+ false ,//on_shape
+ false ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ JOIN_TYPE,
+ NC_("path effect", "Join type") ,//label
+ "join_type" ,//key
+ "join-type" ,//icon
+ N_("Select among various join types for a object's corner nodes (mitre, rounded, extrapolated arc, ...)") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ TAPER_STROKE,
+ NC_("path effect", "Taper stroke") ,//label
+ "taper_stroke" ,//key
+ "taper-stroke" ,//icon
+ N_("Let the path's ends narrow down to a tip") ,//description
+ true ,//on_path
+ true ,//on_shape
+ false ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ MIRROR_SYMMETRY,
+ NC_("path effect", "Mirror symmetry") ,//label
+ "mirror_symmetry" ,//key
+ "mirror-symmetry" ,//icon
+ N_("Mirror an object along a movable axis, or around the page center. The mirrored copy can be styled independently.") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ COPY_ROTATE,
+ NC_("path effect", "Rotate copies") ,//label
+ "copy_rotate" ,//key
+ "copy-rotate" ,//icon
+ N_("Create multiple rotated copies of an object, as in a kaleidoscope. The copies can be styled independently.") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+/* Ponyscape -> Inkscape 0.92*/
+ {
+ ATTACH_PATH,
+ NC_("path effect", "Attach path") ,//label
+ "attach_path" ,//key
+ "attach-path" ,//icon
+ N_("Glue the current path's ends to a specific position on one or two other paths") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ FILL_BETWEEN_STROKES,
+ NC_("path effect", "Fill between strokes") ,//label
+ "fill_between_strokes" ,//key
+ "fill-between-strokes" ,//icon
+ N_("Turn the path into a fill between two other open paths (e.g. between two paths with PowerStroke applied to them)") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ FILL_BETWEEN_MANY,
+ NC_("path effect", "Fill between many") ,//label
+ "fill_between_many" ,//key
+ "fill-between-many" ,//icon
+ N_("Turn the path into a fill between multiple other open paths (e.g. between paths with PowerStroke applied to them)") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ ELLIPSE_5PTS,
+ NC_("path effect", "Ellipse by 5 points") ,//label
+ "ellipse_5pts" ,//key
+ "ellipse-5pts" ,//icon
+ N_("Create an ellipse from 5 nodes on its circumference") ,//description
+ true ,//on_path
+ true ,//on_shape
+ false ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ BOUNDING_BOX,
+ NC_("path effect", "Bounding Box") ,//label
+ "bounding_box" ,//key
+ "bounding-box" ,//icon
+ N_("Turn the path into a bounding box that entirely encompasses another path") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+/* 1.0 */
+ {
+ MEASURE_SEGMENTS,
+ NC_("path effect", "Measure Segments") ,//label
+ "measure_segments" ,//key
+ "measure-segments" ,//icon
+ N_("Add dimensioning for distances between nodes, optionally with projection and many other configuration options") ,//description
+ true ,//on_path
+ true ,//on_shape
+ false ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ FILLET_CHAMFER,
+ NC_("path effect", "Corners (Fillet/Chamfer)") ,//label
+ "fillet_chamfer" ,//key
+ "fillet-chamfer" ,//icon
+ N_("Adjust the shape of a path's corners, rounding them to a specified radius, or cutting them off") ,//description
+ true ,//on_path
+ true ,//on_shape
+ false ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ POWERCLIP,
+ NC_("path effect", "Power clip") ,//label
+ "powerclip" ,//key
+ "powerclip" ,//icon
+ N_("Invert, hide or flatten a clip (apply like a Boolean operation)") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ POWERMASK,
+ NC_("path effect", "Power mask") ,//label
+ "powermask" ,//key
+ "powermask" ,//icon
+ N_("Invert or hide a mask, or use its negative") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ PTS2ELLIPSE,
+ NC_("path effect", "Ellipse from points") ,//label
+ "pts2ellipse" ,//key
+ "pts2ellipse" ,//icon
+ N_("Draw a circle, ellipse, arc or slice based on the nodes of a path") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ OFFSET,
+ NC_("path effect", "Offset") ,//label
+ "offset" ,//key
+ "offset" ,//icon
+ N_("Offset the path, optionally keeping cusp corners cusp") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ DASHED_STROKE,
+ NC_("path effect", "Dashed Stroke") ,//label
+ "dashed_stroke" ,//key
+ "dashed-stroke" ,//icon
+ N_("Add a dashed stroke whose dashes end exactly on a node, optionally with the same number of dashes per path segment") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ /* 1.1 */
+ {
+ BOOL_OP,
+ NC_("path effect", "Boolean operation") ,//label
+ "bool_op" ,//key
+ "bool-op" ,//icon
+ N_("Cut, union, subtract, intersect and divide a path non-destructively with another path") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ {
+ SLICE,
+ NC_("path effect", "Slice") ,//label
+ "slice" ,//key
+ "slice" ,//icon
+ N_("Slices the item into parts. It can also be applied multiple times.") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ /* 1.2 */
+ {
+ TILING,
+ NC_("path effect", "Tiling") ,//label
+ "tiling" ,//key
+ "tiling" ,//icon
+ N_("Create multiple copies of an object following a grid layout. Customize size, rotation, distances, style and tiling symmetry.") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+ // VISIBLE experimental LPEs
+ {
+ ANGLE_BISECTOR,
+ NC_("path effect", "Angle bisector") ,//label
+ "angle_bisector" ,//key
+ "experimental" ,//icon
+ N_("Draw a line that halves the angle between the first three nodes of the path") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+ {
+ CIRCLE_WITH_RADIUS,
+ NC_("path effect", "Circle (by center and radius)") ,//label
+ "circle_with_radius" ,//key
+ "experimental" ,//icon
+ N_("Draw a circle, where the first node of the path is the center, and the last determines its radius") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+ {
+ CIRCLE_3PTS,
+ NC_("path effect", "Circle by 3 points") ,//label
+ "circle_3pts" ,//key
+ "experimental" ,//icon
+ N_("Draw a circle whose circumference passes through the first three nodes of the path") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+ {
+ EXTRUDE,
+ NC_("path effect", "Extrude") ,//label
+ "extrude" ,//key
+ "experimental" ,//icon
+ N_("Extrude the path, creating a face for each path segment") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+ {
+ LINE_SEGMENT,
+ NC_("path effect", "Line Segment") ,//label
+ "line_segment" ,//key
+ "experimental" ,//icon
+ N_("Draw a straight line that connects the first and last node of a path") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+ {
+ PARALLEL,
+ NC_("path effect", "Parallel") ,//label
+ "parallel" ,//key
+ "experimental" ,//icon
+ N_("Create a draggable line that will always be parallel to a two-node path") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+ {
+ PERP_BISECTOR,
+ NC_("path effect", "Perpendicular bisector") ,//label
+ "perp_bisector" ,//key
+ "experimental" ,//icon
+ N_("Draw a perpendicular line in the middle of the (imaginary) line that connects the start and end nodes") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+ {
+ TANGENT_TO_CURVE,
+ NC_("path effect", "Tangent to curve") ,//label
+ "tangent_to_curve" ,//key
+ "experimental" ,//icon
+ N_("Draw a tangent with variable length and additional angle that can be moved along the path") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+#ifdef LPE_ENABLE_TEST_EFFECTS
+ {
+ DOEFFECTSTACK_TEST,
+ NC_("path effect", "doEffect stack test") ,//label
+ "doeffectstacktest" ,//key
+ "experimental" ,//icon
+ N_("Test LPE") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+ {
+ DYNASTROKE,
+ NC_("path effect", "Dynamic stroke") ,//label
+ "dynastroke" ,//key
+ "experimental" ,//icon
+ N_("Create calligraphic strokes with variably shaped ends, making use of a parameter for the brush angle") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+ {
+ LATTICE,
+ NC_("path effect", "Lattice Deformation") ,//label
+ "lattice" ,//key
+ "experimental" ,//icon
+ N_("Deform an object using a 4x4 grid") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+ {
+ PATH_LENGTH,
+ NC_("path effect", "Path length") ,//label
+ "path_length" ,//key
+ "experimental" ,//icon
+ N_("Display the total length of a (curved) path") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+ {
+ RECURSIVE_SKELETON,
+ NC_("path effect", "Recursive skeleton") ,//label
+ "recursive_skeleton" ,//key
+ "experimental" ,//icon
+ N_("Draw a path recursively") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+ {
+ TEXT_LABEL,
+ NC_("path effect", "Text label") ,//label
+ "text_label" ,//key
+ "experimental" ,//icon
+ N_("Add a label for the object") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ true ,//experimental
+ },
+ {
+ EMBRODERY_STITCH,
+ NC_("path effect", "Embroidery stitch") ,//label
+ "embrodery_stitch" ,//key
+ "embrodery-stitch" ,//icon
+ N_("Embroidery stitch") ,//description
+ true ,//on_path
+ true ,//on_shape
+ true ,//on_group
+ false ,//on_image
+ false ,//on_text
+ false ,//experimental
+ },
+#endif
+
+};
+
+const EnumEffectDataConverter<EffectType> LPETypeConverter(LPETypeData, sizeof(LPETypeData) / sizeof(*LPETypeData));
+
+int
+Effect::acceptsNumClicks(EffectType type) {
+ switch (type) {
+ case INVALID_LPE: return -1; // in case we want to distinguish between invalid LPE and valid ones that expect zero clicks
+ case ANGLE_BISECTOR: return 3;
+ case CIRCLE_3PTS: return 3;
+ case CIRCLE_WITH_RADIUS: return 2;
+ case LINE_SEGMENT: return 2;
+ case PERP_BISECTOR: return 2;
+ default: return 0;
+ }
+}
+
+Effect*
+Effect::New(EffectType lpenr, LivePathEffectObject *lpeobj)
+{
+ Effect* neweffect = nullptr;
+ switch (lpenr) {
+ case EMBRODERY_STITCH:
+ neweffect = static_cast<Effect*> ( new LPEEmbroderyStitch(lpeobj) );
+ break;
+ case BOOL_OP:
+ neweffect = static_cast<Effect*> ( new LPEBool(lpeobj) );
+ break;
+ case PATTERN_ALONG_PATH:
+ neweffect = static_cast<Effect*> ( new LPEPatternAlongPath(lpeobj) );
+ break;
+ case BEND_PATH:
+ neweffect = static_cast<Effect*> ( new LPEBendPath(lpeobj) );
+ break;
+ case SKETCH:
+ neweffect = static_cast<Effect*> ( new LPESketch(lpeobj) );
+ break;
+ case ROUGH_HATCHES:
+ neweffect = static_cast<Effect*> ( new LPERoughHatches(lpeobj) );
+ break;
+ case VONKOCH:
+ neweffect = static_cast<Effect*> ( new LPEVonKoch(lpeobj) );
+ break;
+ case KNOT:
+ neweffect = static_cast<Effect*> ( new LPEKnot(lpeobj) );
+ break;
+ case GEARS:
+ neweffect = static_cast<Effect*> ( new LPEGears(lpeobj) );
+ break;
+ case CURVE_STITCH:
+ neweffect = static_cast<Effect*> ( new LPECurveStitch(lpeobj) );
+ break;
+ case LATTICE:
+ neweffect = static_cast<Effect*> ( new LPELattice(lpeobj) );
+ break;
+ case ENVELOPE:
+ neweffect = static_cast<Effect*> ( new LPEEnvelope(lpeobj) );
+ break;
+ case CIRCLE_WITH_RADIUS:
+ neweffect = static_cast<Effect*> ( new LPECircleWithRadius(lpeobj) );
+ break;
+ case SPIRO:
+ neweffect = static_cast<Effect*> ( new LPESpiro(lpeobj) );
+ break;
+ case CONSTRUCT_GRID:
+ neweffect = static_cast<Effect*> ( new LPEConstructGrid(lpeobj) );
+ break;
+ case PERP_BISECTOR:
+ neweffect = static_cast<Effect*> ( new LPEPerpBisector(lpeobj) );
+ break;
+ case TANGENT_TO_CURVE:
+ neweffect = static_cast<Effect*> ( new LPETangentToCurve(lpeobj) );
+ break;
+ case MIRROR_SYMMETRY:
+ neweffect = static_cast<Effect*> ( new LPEMirrorSymmetry(lpeobj) );
+ break;
+ case CIRCLE_3PTS:
+ neweffect = static_cast<Effect*> ( new LPECircle3Pts(lpeobj) );
+ break;
+ case ANGLE_BISECTOR:
+ neweffect = static_cast<Effect*> ( new LPEAngleBisector(lpeobj) );
+ break;
+ case PARALLEL:
+ neweffect = static_cast<Effect*> ( new LPEParallel(lpeobj) );
+ break;
+ case COPY_ROTATE:
+ neweffect = static_cast<Effect*> ( new LPECopyRotate(lpeobj) );
+ break;
+ case OFFSET:
+ neweffect = static_cast<Effect*> ( new LPEOffset(lpeobj) );
+ break;
+ case RULER:
+ neweffect = static_cast<Effect*> ( new LPERuler(lpeobj) );
+ break;
+ case INTERPOLATE:
+ neweffect = static_cast<Effect*> ( new LPEInterpolate(lpeobj) );
+ break;
+ case INTERPOLATE_POINTS:
+ neweffect = static_cast<Effect*> ( new LPEInterpolatePoints(lpeobj) );
+ break;
+ case TEXT_LABEL:
+ neweffect = static_cast<Effect*> ( new LPETextLabel(lpeobj) );
+ break;
+ case PATH_LENGTH:
+ neweffect = static_cast<Effect*> ( new LPEPathLength(lpeobj) );
+ break;
+ case LINE_SEGMENT:
+ neweffect = static_cast<Effect*> ( new LPELineSegment(lpeobj) );
+ break;
+ case DOEFFECTSTACK_TEST:
+ neweffect = static_cast<Effect*> ( new LPEdoEffectStackTest(lpeobj) );
+ break;
+ case BSPLINE:
+ neweffect = static_cast<Effect*> ( new LPEBSpline(lpeobj) );
+ break;
+ case DYNASTROKE:
+ neweffect = static_cast<Effect*> ( new LPEDynastroke(lpeobj) );
+ break;
+ case RECURSIVE_SKELETON:
+ neweffect = static_cast<Effect*> ( new LPERecursiveSkeleton(lpeobj) );
+ break;
+ case EXTRUDE:
+ neweffect = static_cast<Effect*> ( new LPEExtrude(lpeobj) );
+ break;
+ case POWERSTROKE:
+ neweffect = static_cast<Effect*> ( new LPEPowerStroke(lpeobj) );
+ break;
+ case CLONE_ORIGINAL:
+ neweffect = static_cast<Effect*> ( new LPECloneOriginal(lpeobj) );
+ break;
+ case ATTACH_PATH:
+ neweffect = static_cast<Effect*> ( new LPEAttachPath(lpeobj) );
+ break;
+ case FILL_BETWEEN_STROKES:
+ neweffect = static_cast<Effect*> ( new LPEFillBetweenStrokes(lpeobj) );
+ break;
+ case FILL_BETWEEN_MANY:
+ neweffect = static_cast<Effect*> ( new LPEFillBetweenMany(lpeobj) );
+ break;
+ case ELLIPSE_5PTS:
+ neweffect = static_cast<Effect*> ( new LPEEllipse5Pts(lpeobj) );
+ break;
+ case BOUNDING_BOX:
+ neweffect = static_cast<Effect*> ( new LPEBoundingBox(lpeobj) );
+ break;
+ case JOIN_TYPE:
+ neweffect = static_cast<Effect*> ( new LPEJoinType(lpeobj) );
+ break;
+ case TAPER_STROKE:
+ neweffect = static_cast<Effect*> ( new LPETaperStroke(lpeobj) );
+ break;
+ case SIMPLIFY:
+ neweffect = static_cast<Effect*> ( new LPESimplify(lpeobj) );
+ break;
+ case LATTICE2:
+ neweffect = static_cast<Effect*> ( new LPELattice2(lpeobj) );
+ break;
+ case PERSPECTIVE_ENVELOPE:
+ neweffect = static_cast<Effect*> ( new LPEPerspectiveEnvelope(lpeobj) );
+ break;
+ case FILLET_CHAMFER:
+ neweffect = static_cast<Effect*> ( new LPEFilletChamfer(lpeobj) );
+ break;
+ case POWERCLIP:
+ neweffect = static_cast<Effect*> ( new LPEPowerClip(lpeobj) );
+ break;
+ case POWERMASK:
+ neweffect = static_cast<Effect*> ( new LPEPowerMask(lpeobj) );
+ break;
+ case ROUGHEN:
+ neweffect = static_cast<Effect*> ( new LPERoughen(lpeobj) );
+ break;
+ case SHOW_HANDLES:
+ neweffect = static_cast<Effect*> ( new LPEShowHandles(lpeobj) );
+ break;
+ case TRANSFORM_2PTS:
+ neweffect = static_cast<Effect*> ( new LPETransform2Pts(lpeobj) );
+ break;
+ case MEASURE_SEGMENTS:
+ neweffect = static_cast<Effect*> ( new LPEMeasureSegments(lpeobj) );
+ break;
+ case PTS2ELLIPSE:
+ neweffect = static_cast<Effect*> ( new LPEPts2Ellipse(lpeobj) );
+ break;
+ case DASHED_STROKE:
+ neweffect = static_cast<Effect *>(new LPEDashedStroke(lpeobj));
+ break;
+ case SLICE:
+ neweffect = static_cast<Effect *>(new LPESlice(lpeobj));
+ break;
+ case TILING:
+ neweffect = static_cast<Effect*> ( new LPETiling(lpeobj) );
+ break;
+ default:
+ g_warning("LivePathEffect::Effect::New called with invalid patheffect type (%d)", lpenr);
+ neweffect = nullptr;
+ break;
+ }
+
+ if (neweffect) {
+ neweffect->readallParameters(lpeobj->getRepr());
+ }
+
+ return neweffect;
+}
+
+void Effect::createAndApply(const char* name, SPDocument *doc, SPItem *item)
+{
+ // Path effect definition
+ Inkscape::XML::Document *xml_doc = doc->getReprDoc();
+ Inkscape::XML::Node *repr = xml_doc->createElement("inkscape:path-effect");
+ repr->setAttribute("effect", name);
+
+ doc->getDefs()->getRepr()->addChild(repr, nullptr); // adds to <defs> and assigns the 'id' attribute
+ const gchar * repr_id = repr->attribute("id");
+ Inkscape::GC::release(repr);
+
+ gchar *href = g_strdup_printf("#%s", repr_id);
+ SP_LPE_ITEM(item)->addPathEffect(href, true);
+ g_free(href);
+}
+
+void
+Effect::createAndApply(EffectType type, SPDocument *doc, SPItem *item)
+{
+ createAndApply(LPETypeConverter.get_key(type).c_str(), doc, item);
+}
+
+Effect::Effect(LivePathEffectObject *lpeobject)
+ : apply_to_clippath_and_mask(false),
+ _provides_knotholder_entities(false),
+ oncanvasedit_it(0),
+ is_visible(_("Is visible?"), _("If unchecked, the effect remains applied to the object but is temporarily disabled on canvas"), "is_visible", &wr, this, true),
+ lpeversion(_("Version"), _("LPE version"), "lpeversion", &wr, this, "0", true),
+ show_orig_path(false),
+ keep_paths(false),
+ is_load(true),
+ on_remove_all(false),
+ lpeobj(lpeobject),
+ concatenate_before_pwd2(false),
+ sp_lpe_item(nullptr),
+ current_zoom(0),
+ refresh_widgets(false),
+ current_shape(nullptr),
+ provides_own_flash_paths(true), // is automatically set to false if providesOwnFlashPaths() is not overridden
+ defaultsopen(false),
+ is_ready(false),
+ is_applied(false)
+{
+ registerParameter(&is_visible);
+ registerParameter(&lpeversion);
+ is_visible.widget_is_visible = false;
+ _before_commit_connection = lpeobj->document->connectBeforeCommit(sigc::mem_fun(*this, &Effect::doOnBeforeCommit));
+}
+
+Effect::~Effect()
+{
+ _before_commit_connection.disconnect();
+}
+
+Glib::ustring
+Effect::getName() const
+{
+ if (lpeobj->effecttype_set && LPETypeConverter.is_valid_id(lpeobj->effecttype) )
+ return Glib::ustring( _(LPETypeConverter.get_label(lpeobj->effecttype).c_str()) );
+ else
+ return Glib::ustring( _("No effect") );
+}
+
+EffectType
+Effect::effectType() const {
+ return lpeobj->effecttype;
+}
+
+std::vector<SPLPEItem *>
+Effect::getCurrrentLPEItems() const {
+ std::vector<SPLPEItem *> result;
+ auto hreflist = getLPEObj()->hrefList;
+ for (auto item : hreflist) {
+ SPLPEItem * lpeitem = dynamic_cast<SPLPEItem *>(item);
+ if (lpeitem) {
+ result.push_back(lpeitem);
+ }
+ }
+ return result;
+}
+
+/**
+ * Is performed a single time when the effect is freshly applied to a path
+ */
+void
+Effect::doOnApply (SPLPEItem const*/*lpeitem*/)
+{
+}
+
+void
+Effect::setCurrentZoom(double cZ)
+{
+ current_zoom = cZ;
+}
+
+/**
+ * Overridden function to apply transforms for example to powerstroke, jointtype or tapperstroke
+ */
+void Effect::transform_multiply(Geom::Affine const &postmul, bool /*set*/) {}
+
+/**
+ * @param lpeitem The item being transformed
+ *
+ * @pre effect is referenced by lpeitem
+ *
+ * FIXME Probably only makes sense if this effect is referenced by exactly one
+ * item (`this->lpeobj->hrefList` contains exactly one element)?
+ */
+void Effect::transform_multiply_impl(Geom::Affine const &postmul, SPLPEItem *lpeitem)
+{
+ assert("pre: effect is referenced by lpeitem" &&
+ std::any_of(lpeobj->hrefList.begin(), lpeobj->hrefList.end(),
+ [lpeitem](SPObject *obj) { return lpeitem == dynamic_cast<SPLPEItem *>(obj); }));
+
+ // FIXME Is there a way to eliminate the raw Effect::sp_lpe_item pointer?
+ sp_lpe_item = lpeitem;
+
+ transform_multiply(postmul, false);
+}
+
+void
+Effect::setSelectedNodePoints(std::vector<Geom::Point> sNP)
+{
+ selectedNodesPoints = sNP;
+}
+
+/**
+ * The lpe is on clipboard
+ */
+bool Effect::isOnClipboard()
+{
+ SPDocument *document = getSPDoc();
+ if (!document) {
+ return false;
+ }
+ Inkscape::XML::Node *root = document->getReprRoot();
+ Inkscape::XML::Node *clipnode = sp_repr_lookup_name(root, "inkscape:clipboard", 1);
+ return clipnode != nullptr;
+}
+
+bool
+Effect::isNodePointSelected(Geom::Point const &nodePoint) const
+{
+ if (selectedNodesPoints.size() > 0) {
+ using Geom::X;
+ using Geom::Y;
+ for (auto p : selectedNodesPoints) {
+ Geom::Affine transformCoordinate = sp_lpe_item->i2dt_affine();
+ Geom::Point p2(nodePoint[X],nodePoint[Y]);
+ p2 *= transformCoordinate;
+ if (Geom::are_near(p, p2, 0.01)) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+// this is done in each action committed to undo and allow do things when all operations pending are done in this undo
+// stack
+void Effect::doOnBeforeCommit()
+{
+ if (_lpe_action == LPE_NONE) {
+ return;
+ }
+ sp_lpe_item = dynamic_cast<SPLPEItem *>(*getLPEObj()->hrefList.begin());
+ if (sp_lpe_item && _lpe_action == LPE_UPDATE) {
+ if (sp_lpe_item->getCurrentLPE() == this) {
+ DocumentUndo::ScopedInsensitive _no_undo(sp_lpe_item->document);
+ sp_lpe_item_update_patheffect(sp_lpe_item, false, true);
+ }
+ _lpe_action = LPE_NONE;
+ return;
+ }
+ Inkscape::LivePathEffect::SatelliteArrayParam *lpesatellites = nullptr;
+ Inkscape::LivePathEffect::OriginalSatelliteParam *lpesatellite = nullptr;
+ std::vector<Inkscape::LivePathEffect::Parameter *>::iterator p;
+ for (p = param_vector.begin(); p != param_vector.end(); ++p) {
+ lpesatellites = dynamic_cast<SatelliteArrayParam *>(*p);
+ lpesatellite = dynamic_cast<OriginalSatelliteParam *>(*p);
+ if (lpesatellites || lpesatellite) {
+ break;
+ }
+ }
+ if (!lpesatellites && !lpesatellite) {
+ return;
+ }
+ LPEAction lpe_action = _lpe_action;
+ _lpe_action = LPE_NONE;
+ SPDocument *document = getSPDoc();
+ if (!document) {
+ return;
+ }
+ if (sp_lpe_item) {
+ sp_lpe_item_enable_path_effects(sp_lpe_item, false);
+ }
+ std::vector<std::shared_ptr<SatelliteReference> > satelltelist;
+ if (lpesatellites) {
+ lpesatellites->read_from_SVG();
+ satelltelist = lpesatellites->data();
+ } else {
+ lpesatellite->read_from_SVG();
+ satelltelist.push_back(lpesatellite->lperef);
+ }
+ for (auto &iter : satelltelist) {
+ SPObject *elemref;
+ if (iter && iter->isAttached() && (elemref = iter->getObject())) {
+ if (auto *item = dynamic_cast<SPItem *>(elemref)) {
+ Inkscape::XML::Node *elemnode = elemref->getRepr();
+ SPCSSAttr *css;
+ Glib::ustring css_str;
+ switch (lpe_action) {
+ case LPE_TO_OBJECTS:
+ if (item->isHidden()) {
+ // We set updating because item signal fire a deletion that reset whole parameter satellites
+ if (lpesatellites) {
+ lpesatellites->setUpdating(true);
+ item->deleteObject(true);
+ lpesatellites->setUpdating(false);
+ } else {
+ lpesatellite->setUpdating(true);
+ item->deleteObject(true);
+ lpesatellite->setUpdating(false);
+ }
+ } else {
+ elemnode->removeAttribute("sodipodi:insensitive");
+ SPDefs *defs = dynamic_cast<SPDefs *>(elemref->parent);
+ if (!defs && sp_lpe_item) {
+ item->moveTo(sp_lpe_item, false);
+ }
+ }
+ break;
+
+ case LPE_ERASE:
+ // We set updating because item signal fire a deletion that reset whole parameter satellites
+ if (lpesatellites) {
+ lpesatellites->setUpdating(true);
+ item->deleteObject(true);
+ lpesatellites->setUpdating(false);
+ } else {
+ lpesatellite->setUpdating(true);
+ item->deleteObject(true);
+ lpesatellite->setUpdating(false);
+ }
+ break;
+
+ case LPE_VISIBILITY:
+ css = sp_repr_css_attr_new();
+ sp_repr_css_attr_add_from_string(css, elemref->getRepr()->attribute("style"));
+ if (!isVisible() /* && std::strcmp(elemref->getId(),sp_lpe_item->getId()) != 0*/) {
+ css->setAttribute("display", "none");
+ } else {
+ css->removeAttribute("display");
+ }
+ sp_repr_css_write_string(css, css_str);
+ elemnode->setAttributeOrRemoveIfEmpty("style", css_str);
+ if (sp_lpe_item) {
+ sp_lpe_item_enable_path_effects(sp_lpe_item, true);
+ sp_lpe_item_update_patheffect(sp_lpe_item, false, false);
+ sp_lpe_item_enable_path_effects(sp_lpe_item, false);
+ }
+ sp_repr_css_attr_unref( css );
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+ if (lpe_action == LPE_ERASE || lpe_action == LPE_TO_OBJECTS) {
+ Inkscape::LivePathEffect::SatelliteArrayParam *lpesatellites = nullptr;
+ Inkscape::LivePathEffect::OriginalSatelliteParam *lpesatellite = nullptr;
+ std::vector<Inkscape::LivePathEffect::Parameter *>::iterator p;
+ for (p = param_vector.begin(); p != param_vector.end(); ++p) {
+ lpesatellites = dynamic_cast<SatelliteArrayParam *>(*p);
+ lpesatellite = dynamic_cast<OriginalSatelliteParam *>(*p);
+ if (lpesatellites) {
+ lpesatellites->clear();
+ lpesatellites->write_to_SVG();
+ }
+ if (lpesatellite) {
+ lpesatellite->unlink();
+ lpesatellite->write_to_SVG();
+ }
+ }
+ }
+ if (sp_lpe_item) {
+ sp_lpe_item_enable_path_effects(sp_lpe_item, true);
+ }
+}
+
+// we delay till current operation is done to aboid deleted items crashes
+void Effect::processObjects(LPEAction lpe_action)
+{
+ if (lpe_action == LPE_UPDATE && _lpe_action == LPE_NONE) {
+ _lpe_action = lpe_action;
+ return;
+ }
+ _lpe_action = lpe_action;
+ Inkscape::LivePathEffect::SatelliteArrayParam *lpesatellites = nullptr;
+ Inkscape::LivePathEffect::OriginalSatelliteParam *lpesatellite = nullptr;
+ std::vector<Inkscape::LivePathEffect::Parameter *>::iterator p;
+ for (p = param_vector.begin(); p != param_vector.end(); ++p) {
+ lpesatellites = dynamic_cast<SatelliteArrayParam *>(*p);
+ lpesatellite = dynamic_cast<OriginalSatelliteParam *>(*p);
+ if (lpesatellites || lpesatellite) {
+ break;
+ }
+ }
+ if (!lpesatellites && !lpesatellite) {
+ return;
+ }
+ SPDocument *document = getSPDoc();
+ if (!document) {
+ return;
+ }
+ sp_lpe_item = dynamic_cast<SPLPEItem *>(*getLPEObj()->hrefList.begin());
+ if (!document || !sp_lpe_item) {
+ return;
+ }
+ std::vector<std::shared_ptr<SatelliteReference> > satelltelist;
+ if (lpesatellites) {
+ lpesatellites->read_from_SVG();
+ satelltelist = lpesatellites->data();
+ } else {
+ lpesatellite->read_from_SVG();
+ satelltelist.push_back(lpesatellite->lperef);
+ }
+ for (auto &iter : satelltelist) {
+ SPObject *elemref;
+ if (iter && iter->isAttached() && (elemref = iter->getObject())) {
+ if (auto *item = dynamic_cast<SPItem *>(elemref)) {
+ SPLPEItem *lpeitem = dynamic_cast<SPLPEItem *>(item);
+ switch (lpe_action) {
+ case LPE_TO_OBJECTS:
+ if (lpeitem && item->isHidden()) {
+ lpeitem->removeAllPathEffects(false);
+ }
+ break;
+ case LPE_ERASE:
+ if (lpeitem) {
+ lpeitem->removeAllPathEffects(false);
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+}
+
+/**
+ * Is performed on load document or revert
+ * If the item is fixed legacy return true
+ */
+bool Effect::doOnOpen(SPLPEItem const * /*lpeitem*/)
+{
+ // Do nothing for simple effects
+ update_satellites();
+ return false;
+}
+
+void
+Effect::update_satellites(bool updatelpe) {
+ std::vector<Inkscape::LivePathEffect::Parameter *>::iterator p;
+ for (p = param_vector.begin(); p != param_vector.end(); ++p) {
+ (*p)->update_satellites(updatelpe);
+ }
+}
+
+
+/**
+ * Is performed each time before the effect is updated.
+ */
+void
+Effect::doBeforeEffect (SPLPEItem const*/*lpeitem*/)
+{
+ //Do nothing for simple effects
+}
+/**
+ * Is performed at the end of the LPE only one time per "lpeitem"
+ * in paths/shapes is called in middle of the effect so we add the
+ * "curve" param to allow updates in the LPE results at this stage
+ * for groups dont need to send "curve" parameter because is applied
+ * when the LPE process finish, we can update LPE results without "curve" parameter
+ * @param lpeitem the element that has this LPE
+ * @param curve the curve to pass when in mode path or shape
+ */
+void Effect::doAfterEffect (SPLPEItem const* /*lpeitem*/, SPCurve *curve)
+{
+ //Do nothing for simple effects
+ update_satellites();
+}
+
+void Effect::doOnException(SPLPEItem const * /*lpeitem*/)
+{
+ has_exception = true;
+ pathvector_after_effect = pathvector_before_effect;
+}
+
+
+void Effect::doOnRemove (SPLPEItem const* /*lpeitem*/)
+{
+}
+void Effect::doOnVisibilityToggled(SPLPEItem const* /*lpeitem*/)
+{
+}
+//secret impl methods (shhhh!)
+void Effect::doAfterEffect_impl(SPLPEItem const *lpeitem, SPCurve *curve)
+{
+ doAfterEffect(lpeitem, curve);
+ is_load = false;
+ is_applied = false;
+}
+
+void Effect::doOnRemove_impl(SPLPEItem const* lpeitem)
+{
+ SPDocument *document = getSPDoc();
+ sp_lpe_item = dynamic_cast<SPLPEItem *>(*getLPEObj()->hrefList.begin());
+ if (!document || !sp_lpe_item) {
+ return;
+ }
+ std::vector<SPObject *> satellites = effect_get_satellites(true);
+ satellites.insert(satellites.begin(), sp_lpe_item);
+ doOnRemove(lpeitem);
+ for (auto obj:satellites) {
+ if (obj->getAttribute("class")){
+ Glib::ustring newclass = obj->getAttribute("class");
+ size_t pos = newclass.find("UnoptimicedTransforms");
+ if (pos != std::string::npos) {
+ newclass.erase(pos, 21);
+ obj->setAttribute("class",newclass.empty() ? nullptr : newclass.c_str());
+ }
+ }
+ }
+}
+
+/**
+ * Is performed on document open allow things like fix legacy LPE in a undo insensitive way
+ */
+void Effect::doOnOpen_impl()
+{
+ std::vector<SPLPEItem *> lpeitems = getCurrrentLPEItems();
+ if (lpeitems.size() == 1) {
+ is_load = true;
+ doOnOpen(lpeitems[0]);
+ }
+}
+
+void Effect::doOnApply_impl(SPLPEItem const* lpeitem)
+{
+ sp_lpe_item = const_cast<SPLPEItem *>(lpeitem);
+ is_applied = true;
+ // we can override "lpeversion" value in each LPE using doOnApply
+ // this allow to handle legacy LPE and some times update to newest definitions
+ // In BBB Martin, Mc and Jabiertxof make decision
+ // to only update this value per each LPE when changes.
+ // and use the Inkscape release version that has this new LPE change
+ // LPE without lpeversion are created in an inkscape lower than 1.0
+ lpeversion.param_setValue("1", true);
+ doOnApply(lpeitem);
+ setReady();
+ has_exception = false;
+}
+
+void Effect::doBeforeEffect_impl(SPLPEItem const* lpeitem)
+{
+ sp_lpe_item = const_cast<SPLPEItem *>(lpeitem);
+ doBeforeEffect(lpeitem);
+ if (is_load) {
+ update_satellites(false);
+ }
+ update_helperpath();
+}
+
+void
+Effect::writeParamsToSVG() {
+ std::vector<Inkscape::LivePathEffect::Parameter *>::iterator p;
+ for (p = param_vector.begin(); p != param_vector.end(); ++p) {
+ (*p)->write_to_SVG();
+ }
+}
+
+std::vector<SPObject *> Effect::effect_get_satellites(bool force)
+{
+ std::vector<SPObject *> satellites;
+ if (!force && !satellitestoclipboard) {
+ return satellites;
+ }
+ std::vector<Inkscape::LivePathEffect::Parameter *>::iterator p;
+ for (p = param_vector.begin(); p != param_vector.end(); ++p) {
+ std::vector<SPObject *> tmp = (*p)->param_get_satellites();
+ satellites.insert(satellites.begin(), tmp.begin(), tmp.end());
+ }
+ return satellites;
+}
+
+/**
+ * If the effect expects a path parameter (specified by a number of mouse clicks) before it is
+ * applied, this is the method that processes the resulting path. Override it to customize it for
+ * your LPE. But don't forget to call the parent method so that is_ready is set to true!
+ */
+void
+Effect::acceptParamPath (SPPath const*/*param_path*/) {
+ setReady();
+}
+
+/*
+ * Here be the doEffect function chain:
+ */
+void
+Effect::doEffect (SPCurve * curve)
+{
+ Geom::PathVector orig_pathv = curve->get_pathvector();
+
+ Geom::PathVector result_pathv = doEffect_path(orig_pathv);
+
+ curve->set_pathvector(result_pathv);
+}
+
+Geom::PathVector
+Effect::doEffect_path (Geom::PathVector const & path_in)
+{
+ Geom::PathVector path_out;
+
+ if ( !concatenate_before_pwd2 ) {
+ // default behavior
+ for (const auto & i : path_in) {
+ Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_in = i.toPwSb();
+ Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_out = doEffect_pwd2(pwd2_in);
+ Geom::PathVector path = Geom::path_from_piecewise( pwd2_out, LPE_CONVERSION_TOLERANCE);
+ // add the output path vector to the already accumulated vector:
+ for (const auto & j : path) {
+ path_out.push_back(j);
+ }
+ }
+ } else {
+ // concatenate the path into possibly discontinuous pwd2
+ Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_in;
+ for (const auto & i : path_in) {
+ pwd2_in.concat( i.toPwSb() );
+ }
+ Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_out = doEffect_pwd2(pwd2_in);
+ path_out = Geom::path_from_piecewise( pwd2_out, LPE_CONVERSION_TOLERANCE);
+ }
+
+ return path_out;
+}
+
+Geom::Piecewise<Geom::D2<Geom::SBasis> >
+Effect::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in)
+{
+ g_warning("Effect has no doEffect implementation");
+ return pwd2_in;
+}
+
+void
+Effect::readallParameters(Inkscape::XML::Node const* repr)
+{
+ std::vector<Parameter *>::iterator it = param_vector.begin();
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ while (it != param_vector.end()) {
+ Parameter * param = *it;
+ const gchar * key = param->param_key.c_str();
+ const gchar * value = repr->attribute(key);
+ if (value) {
+ bool accepted = param->param_readSVGValue(value);
+ if (!accepted) {
+ g_warning("Effect::readallParameters - '%s' not accepted for %s", value, key);
+ }
+ } else {
+ Glib::ustring pref_path = (Glib::ustring)"/live_effects/" +
+ (Glib::ustring)LPETypeConverter.get_key(effectType()).c_str() +
+ (Glib::ustring)"/" +
+ (Glib::ustring)key;
+ bool valid = prefs->getEntry(pref_path).isValid();
+ if(valid){
+ param->param_update_default(prefs->getString(pref_path).c_str());
+ } else {
+ param->param_set_default();
+ }
+ }
+ ++it;
+ }
+}
+
+/* This function does not and SHOULD NOT write to XML */
+void
+Effect::setParameter(const gchar * key, const gchar * new_value)
+{
+ Parameter * param = getParameter(key);
+ if (param) {
+ if (new_value) {
+ bool accepted = param->param_readSVGValue(new_value);
+ if (!accepted) {
+ g_warning("Effect::setParameter - '%s' not accepted for %s", new_value, key);
+ }
+ } else {
+ // set default value
+ param->param_set_default();
+ }
+ }
+}
+
+void
+Effect::registerParameter(Parameter * param)
+{
+ param_vector.push_back(param);
+}
+
+
+/**
+ * Add all registered LPE knotholder handles to the knotholder
+ */
+void
+Effect::addHandles(KnotHolder *knotholder, SPItem *item) {
+ using namespace Inkscape::LivePathEffect;
+
+ // add handles provided by the effect itself
+ addKnotHolderEntities(knotholder, item);
+
+ if (is_load) {
+ // needed by fillet and powerstroke LPEs
+ SPLPEItem *lpeitem = dynamic_cast<SPLPEItem *>(item);
+ if (lpeitem) {
+ sp_lpe_item_update_patheffect(lpeitem, false, false);
+ }
+ }
+
+ // add handles provided by the effect's parameters (if any)
+ for (auto & p : param_vector) {
+ p->addKnotHolderEntities(knotholder, item);
+ }
+}
+
+/**
+ * Return a vector of PathVectors which contain all canvas indicators for this effect.
+ * This is the function called by external code to get all canvas indicators (effect and its parameters)
+ * lpeitem = the item onto which this effect is applied
+ * @todo change return type to one pathvector, add all paths to one pathvector instead of maintaining a vector of pathvectors
+ */
+std::vector<Geom::PathVector>
+Effect::getCanvasIndicators(SPLPEItem const* lpeitem)
+{
+ std::vector<Geom::PathVector> hp_vec;
+
+ // add indicators provided by the effect itself
+ addCanvasIndicators(lpeitem, hp_vec);
+
+ // add indicators provided by the effect's parameters
+ for (auto & p : param_vector) {
+ p->addCanvasIndicators(lpeitem, hp_vec);
+ }
+ Geom::Affine scale = lpeitem->i2doc_affine();
+ for (auto &path : hp_vec) {
+ path *= scale;
+ }
+ return hp_vec;
+}
+
+/**
+ * Add possible canvas indicators (i.e., helperpaths other than the original path) to \a hp_vec
+ * This function should be overwritten by derived effects if they want to provide their own helperpaths.
+ */
+void
+Effect::addCanvasIndicators(SPLPEItem const*/*lpeitem*/, std::vector<Geom::PathVector> &/*hp_vec*/)
+{
+}
+
+/**
+ * Call to a method on nodetool to update the helper path from the effect
+ */
+void
+Effect::update_helperpath() {
+ SPDesktop *desktop = SP_ACTIVE_DESKTOP;
+ if (desktop) {
+ Inkscape::UI::Tools::NodeTool *nt = dynamic_cast<Inkscape::UI::Tools::NodeTool*>(desktop->event_context);
+ if (nt) {
+ Inkscape::UI::Tools::sp_update_helperpath(desktop);
+ }
+ }
+}
+
+/**
+ * This *creates* a new widget, management of deletion should be done by the caller
+ */
+Gtk::Widget *
+Effect::newWidget()
+{
+ // use manage here, because after deletion of Effect object, others might still be pointing to this widget.
+ Gtk::Box * vbox = Gtk::manage( new Gtk::Box(Gtk::ORIENTATION_VERTICAL) );
+
+ vbox->set_border_width(5);
+
+ std::vector<Parameter *>::iterator it = param_vector.begin();
+ while (it != param_vector.end()) {
+ if ((*it)->widget_is_visible) {
+ Parameter * param = *it;
+ Gtk::Widget * widg = param->param_newWidget();
+ Glib::ustring * tip = param->param_getTooltip();
+ if (widg) {
+ if (param->widget_is_enabled) {
+ widg->set_sensitive(true);
+ } else {
+ widg->set_sensitive(false);
+ }
+ vbox->pack_start(*widg, true, true, 2);
+ if (tip) {
+ widg->set_tooltip_text(*tip);
+ } else {
+ widg->set_tooltip_text("");
+ widg->set_has_tooltip(false);
+ }
+ }
+ }
+
+ ++it;
+ }
+ if(Gtk::Widget* widg = defaultParamSet()) {
+ vbox->pack_start(*widg, true, true, 2);
+ }
+ return dynamic_cast<Gtk::Widget *>(vbox);
+}
+
+bool sp_enter_tooltip(GdkEventCrossing *evt, Gtk::Widget *widg)
+{
+ widg->trigger_tooltip_query();
+ return true;
+}
+
+/**
+ * This *creates* a new widget, with default values setter
+ */
+Gtk::Widget *
+Effect::defaultParamSet()
+{
+ // use manage here, because after deletion of Effect object, others might still be pointing to this widget.
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ Gtk::Box * vbox_expander = Gtk::manage( new Gtk::Box(Gtk::ORIENTATION_VERTICAL) );
+ Glib::ustring effectname = _(Inkscape::LivePathEffect::LPETypeConverter.get_label(effectType()).c_str());
+ Glib::ustring effectkey = (Glib::ustring)Inkscape::LivePathEffect::LPETypeConverter.get_key(effectType());
+ std::vector<Parameter *>::iterator it = param_vector.begin();
+ bool has_params = false;
+ while (it != param_vector.end()) {
+ if ((*it)->widget_is_visible) {
+ has_params = true;
+ Parameter * param = *it;
+ const gchar * key = param->param_key.c_str();
+ if (g_strcmp0(key, "lpeversion") == 0) {
+ ++it;
+ continue;
+ }
+ const gchar * label = param->param_label.c_str();
+ Glib::ustring value = param->param_getSVGValue();
+ Glib::ustring defvalue = param->param_getDefaultSVGValue();
+ Glib::ustring pref_path = "/live_effects/";
+ pref_path += effectkey;
+ pref_path +="/";
+ pref_path += key;
+ bool valid = prefs->getEntry(pref_path).isValid();
+ const gchar * set_or_upd;
+ Glib::ustring def = Glib::ustring(_("<b>Default value:</b> ")) + defvalue;
+ Glib::ustring ove = Glib::ustring(_("<b>Default value overridden:</b> "));
+ if (valid) {
+ set_or_upd = _("Update");
+ def = "";
+ } else {
+ set_or_upd = _("Set");
+ ove = "";
+ }
+ Gtk::Box * vbox_param = Gtk::manage( new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL) );
+ Gtk::Box *namedicon = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL));
+ Gtk::Label *parameter_label = Gtk::manage(new Gtk::Label(label, Gtk::ALIGN_START));
+ parameter_label->set_use_markup(true);
+ parameter_label->set_use_underline(true);
+ parameter_label->set_ellipsize(Pango::ELLIPSIZE_END);
+ Glib::ustring tooltip = Glib::ustring("<b>") + parameter_label->get_text() + Glib::ustring("</b>\n") +
+ param->param_tooltip + Glib::ustring("\n");
+ Gtk::Image *info = sp_get_icon_image("info", 20);
+ Gtk::EventBox *infoeventbox = Gtk::manage(new Gtk::EventBox());
+ infoeventbox->add(*info);
+ infoeventbox->set_tooltip_markup((tooltip + def + ove).c_str());
+ namedicon->pack_start(*infoeventbox, false, false, 2);
+ namedicon->pack_start(*parameter_label, true, true, 2);
+ namedicon->set_homogeneous(false);
+ vbox_param->pack_start(*namedicon, true, true, 2);
+ Gtk::Button *set = Gtk::manage(new Gtk::Button((Glib::ustring)set_or_upd));
+ Gtk::Button *unset = Gtk::manage(new Gtk::Button(Glib::ustring(_("Unset"))));
+ unset->signal_clicked().connect(sigc::bind(sigc::mem_fun(*this, &Effect::unsetDefaultParam), pref_path,
+ tooltip, param, info, set, unset));
+ set->signal_clicked().connect(sigc::bind(sigc::mem_fun(*this, &Effect::setDefaultParam), pref_path, tooltip,
+ param, info, set, unset));
+ if (!valid) {
+ unset->set_sensitive(false);
+ }
+ unset->set_size_request (90, -1);
+ set->set_size_request (90, -1);
+ vbox_param->pack_end(*unset, false, true, 2);
+ vbox_param->pack_end(*set, false, true, 2);
+
+ vbox_expander->pack_start(*vbox_param, true, true, 2);
+ }
+ ++it;
+ }
+ Glib::ustring tip = "<b>" + effectname + (Glib::ustring)_("</b>: Set default parameters");
+ Gtk::Expander * expander = Gtk::manage(new Gtk::Expander(tip));
+ expander->set_use_markup(true);
+ expander->add(*vbox_expander);
+ expander->set_expanded(defaultsopen);
+ expander->property_expanded().signal_changed().connect(sigc::bind<0>(sigc::mem_fun(*this, &Effect::onDefaultsExpanderChanged), expander ));
+ if (has_params) {
+ Gtk::Widget *vboxwidg = dynamic_cast<Gtk::Widget *>(expander);
+ vboxwidg->set_margin_bottom(5);
+ vboxwidg->set_margin_top(5);
+ return vboxwidg;
+ } else {
+ return nullptr;
+ }
+}
+
+void
+Effect::onDefaultsExpanderChanged(Gtk::Expander * expander)
+{
+ defaultsopen = expander->get_expanded();
+}
+
+void Effect::setDefaultParam(Glib::ustring pref_path, Glib::ustring tooltip, Parameter *param, Gtk::Image *info,
+ Gtk::Button *set, Gtk::Button *unset)
+{
+ Glib::ustring value = param->param_getSVGValue();
+ Glib::ustring defvalue = param->param_getDefaultSVGValue();
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ prefs->setString(pref_path, value);
+ gchar * label = _("Update");
+ set->set_label((Glib::ustring)label);
+ unset->set_sensitive(true);
+ Glib::ustring ove = Glib::ustring(_("<b>Default value overridden:</b> ")) + value;
+ info->set_tooltip_markup((tooltip + ove).c_str());
+}
+
+void Effect::unsetDefaultParam(Glib::ustring pref_path, Glib::ustring tooltip, Parameter *param, Gtk::Image *info,
+ Gtk::Button *set, Gtk::Button *unset)
+{
+ Glib::ustring value = param->param_getSVGValue();
+ Glib::ustring defvalue = param->param_getDefaultSVGValue();
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ prefs->remove(pref_path);
+ gchar * label = _("Set");
+ set->set_label((Glib::ustring)label);
+ unset->set_sensitive(false);
+ Glib::ustring def = Glib::ustring(_("<b>Default value:</b> Default"));
+ info->set_tooltip_markup((tooltip + def).c_str());
+}
+
+Inkscape::XML::Node *Effect::getRepr()
+{
+ return lpeobj->getRepr();
+}
+
+SPDocument *Effect::getSPDoc()
+{
+ if (lpeobj->document == nullptr) {
+ g_message("Effect::getSPDoc() returns NULL");
+ }
+ return lpeobj->document;
+}
+
+Parameter *
+Effect::getParameter(const char * key)
+{
+ Glib::ustring stringkey(key);
+
+ if (param_vector.empty()) return nullptr;
+ std::vector<Parameter *>::iterator it = param_vector.begin();
+ while (it != param_vector.end()) {
+ Parameter * param = *it;
+ if ( param->param_key == key) {
+ return param;
+ }
+
+ ++it;
+ }
+
+ return nullptr;
+}
+
+Parameter *
+Effect::getNextOncanvasEditableParam()
+{
+ if (param_vector.size() == 0) // no parameters
+ return nullptr;
+
+ oncanvasedit_it++;
+ if (oncanvasedit_it >= static_cast<int>(param_vector.size())) {
+ oncanvasedit_it = 0;
+ }
+ int old_it = oncanvasedit_it;
+
+ do {
+ Parameter * param = param_vector[oncanvasedit_it];
+ if(param && param->oncanvas_editable) {
+ return param;
+ } else {
+ oncanvasedit_it++;
+ if (oncanvasedit_it == static_cast<int>(param_vector.size())) { // loop round the map
+ oncanvasedit_it = 0;
+ }
+ }
+ } while (oncanvasedit_it != old_it); // iterate until complete loop through map has been made
+
+ return nullptr;
+}
+
+void
+Effect::editNextParamOncanvas(SPItem * item, SPDesktop * desktop)
+{
+ if (!desktop) return;
+
+ Parameter * param = getNextOncanvasEditableParam();
+ if (param) {
+ param->param_editOncanvas(item, desktop);
+ gchar *message = g_strdup_printf(_("Editing parameter <b>%s</b>."), param->param_label.c_str());
+ desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, message);
+ g_free(message);
+ } else {
+ desktop->messageStack()->flash( Inkscape::WARNING_MESSAGE,
+ _("None of the applied path effect's parameters can be edited on-canvas.") );
+ }
+}
+
+/* This function should reset the defaults and is used for example to initialize an effect right after it has been applied to a path
+* The nice thing about this is that this function can use knowledge of the original path and set things accordingly for example to the size or origin of the original path!
+*/
+void
+Effect::resetDefaults(SPItem const* /*item*/)
+{
+ std::vector<Inkscape::LivePathEffect::Parameter *>::iterator p;
+ for (p = param_vector.begin(); p != param_vector.end(); ++p) {
+ (*p)->param_set_default();
+ (*p)->write_to_SVG();
+ }
+}
+
+bool
+Effect::providesKnotholder() const
+{
+ // does the effect actively provide any knotholder entities of its own?
+ if (_provides_knotholder_entities) {
+ return true;
+ }
+
+ // otherwise: are there any parameters that have knotholderentities?
+ for (auto p : param_vector) {
+ if (p->providesKnotHolderEntities()) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+} /* namespace LivePathEffect */
+
+} /* namespace Inkscape */
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :