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Diffstat (limited to 'src/snap-enums.h')
| -rw-r--r-- | src/snap-enums.h | 111 |
1 files changed, 64 insertions, 47 deletions
diff --git a/src/snap-enums.h b/src/snap-enums.h index aa5db9328..df1324001 100644 --- a/src/snap-enums.h +++ b/src/snap-enums.h @@ -1,83 +1,100 @@ #ifndef SNAPENUMS_H_ #define SNAPENUMS_H_ - -/** - * \file snap-enums.h - * \brief enumerations of snap source types and snap target types - * +/* * Authors: * Diederik van Lierop <mail@diedenrezi.nl> * - * Copyright (C) 2010 Authors + * Copyright (C) 2010 - 2011 Authors * * Released under GNU GPL, read the file 'COPYING' for more information */ namespace Inkscape { -enum SnapTargetType { - SNAPTARGET_UNDEFINED = 0, - SNAPTARGET_GRID, - SNAPTARGET_GRID_INTERSECTION, - SNAPTARGET_GUIDE, - SNAPTARGET_GUIDE_INTERSECTION, - SNAPTARGET_GUIDE_ORIGIN, - SNAPTARGET_GRID_GUIDE_INTERSECTION, - SNAPTARGET_NODE_SMOOTH, - SNAPTARGET_NODE_CUSP, - SNAPTARGET_LINE_MIDPOINT, - SNAPTARGET_OBJECT_MIDPOINT, - SNAPTARGET_ROTATION_CENTER, - SNAPTARGET_HANDLE, - SNAPTARGET_PATH, - SNAPTARGET_PATH_INTERSECTION, - SNAPTARGET_BBOX_CORNER, - SNAPTARGET_BBOX_EDGE, - SNAPTARGET_BBOX_EDGE_MIDPOINT, - SNAPTARGET_BBOX_MIDPOINT, - SNAPTARGET_PAGE_BORDER, - SNAPTARGET_PAGE_CORNER, - SNAPTARGET_CONVEX_HULL_CORNER, - SNAPTARGET_ELLIPSE_QUADRANT_POINT, - SNAPTARGET_CENTER, // of ellipse - SNAPTARGET_CORNER, // of image or of rectangle - SNAPTARGET_TEXT_BASELINE, - SNAPTARGET_CONSTRAINED_ANGLE, - SNAPTARGET_CONSTRAINT -}; - +/** + * enumerations of snap source types and snap target types. + */ enum SnapSourceType { SNAPSOURCE_UNDEFINED = 0, //------------------------------------------------------------------- // Bbox points can be located at the edge of the stroke (for visual bboxes); they will therefore not snap // to nodes because these are always located at the center of the stroke - SNAPSOURCE_BBOX_CATEGORY = 256, // will be used as a flag and must therefore be a power of two + SNAPSOURCE_BBOX_CATEGORY = 16, // will be used as a flag and must therefore be a power of two. Also, + // must be larger than the largest number of targets in a single group SNAPSOURCE_BBOX_CORNER, SNAPSOURCE_BBOX_MIDPOINT, SNAPSOURCE_BBOX_EDGE_MIDPOINT, //------------------------------------------------------------------- // For the same reason, nodes will not snap to bbox points - SNAPSOURCE_NODE_CATEGORY = 512, // will be used as a flag and must therefore be a power of two + SNAPSOURCE_NODE_CATEGORY = 32, // will be used as a flag and must therefore be a power of two SNAPSOURCE_NODE_SMOOTH, // Symmetrical nodes are also considered to be smooth; there's no dedicated type for symm. nodes SNAPSOURCE_NODE_CUSP, SNAPSOURCE_LINE_MIDPOINT, SNAPSOURCE_PATH_INTERSECTION, - SNAPSOURCE_CORNER, // of image or of rectangle + SNAPSOURCE_RECT_CORNER, // of a rectangle, so at the center of the stroke SNAPSOURCE_CONVEX_HULL_CORNER, SNAPSOURCE_ELLIPSE_QUADRANT_POINT, SNAPSOURCE_NODE_HANDLE, // eg. nodes in the path editor, handles of stars or rectangles, etc. (tied to a stroke) - SNAPSOURCE_OBJECT_MIDPOINT, // midpoint of rectangles, polygon, etc. //------------------------------------------------------------------- - // Other points (e.g. guides, gradient knots) will snap to both bounding boxes and nodes - SNAPSOURCE_OTHER_CATEGORY = 1024, // will be used as a flag and must therefore be a power of two - SNAPSOURCE_ROTATION_CENTER, - SNAPSOURCE_CENTER, // of ellipse + // Other points (e.g. guides) will snap to both bounding boxes and nodes + SNAPSOURCE_DATUMS_CATEGORY = 64, // will be used as a flag and must therefore be a power of two SNAPSOURCE_GUIDE, SNAPSOURCE_GUIDE_ORIGIN, - SNAPSOURCE_TEXT_BASELINE, - SNAPSOURCE_OTHER_HANDLE, // eg. the handle of a gradient of a connector (ie not being tied to a stroke) + //------------------------------------------------------------------- + // Other points (e.g. gradient knots, image corners) will snap to both bounding boxes and nodes + SNAPSOURCE_OTHERS_CATEGORY = 128, // will be used as a flag and must therefore be a power of two + SNAPSOURCE_ROTATION_CENTER, + SNAPSOURCE_OBJECT_MIDPOINT, // midpoint of rectangles, ellipses, polygon, etc. + SNAPSOURCE_IMG_CORNER, + SNAPSOURCE_TEXT_ANCHOR, + SNAPSOURCE_OTHER_HANDLE, // eg. the handle of a gradient or of a connector (ie not being tied to a stroke) SNAPSOURCE_GRID_PITCH, // eg. when pasting or alt-dragging in the selector tool; not realy a snap source }; +enum SnapTargetType { + SNAPTARGET_UNDEFINED = 0, + //------------------------------------------------------------------- + SNAPTARGET_BBOX_CATEGORY = 16, // will be used as a flag and must therefore be a power of two. Also, + // must be larger than the largest number of targets in a single group + // i.e > 15 because that's the number of targets in the "others" group + SNAPTARGET_BBOX_CORNER, + SNAPTARGET_BBOX_EDGE, + SNAPTARGET_BBOX_EDGE_MIDPOINT, + SNAPTARGET_BBOX_MIDPOINT, + //------------------------------------------------------------------- + SNAPTARGET_NODE_CATEGORY = 32, // will be used as a flag and must therefore be a power of two + SNAPTARGET_NODE_SMOOTH, + SNAPTARGET_NODE_CUSP, + SNAPTARGET_LINE_MIDPOINT, + SNAPTARGET_PATH, + SNAPTARGET_PATH_INTERSECTION, + SNAPTARGET_PATH_GUIDE_INTERSECTION, + SNAPTARGET_PATH_CLIP, + SNAPTARGET_PATH_MASK, + SNAPTARGET_ELLIPSE_QUADRANT_POINT, // this corner is at the center of the stroke + SNAPTARGET_RECT_CORNER, // of a rectangle, so this corner is at the center of the stroke + //------------------------------------------------------------------- + SNAPTARGET_DATUMS_CATEGORY = 64, // will be used as a flag and must therefore be a power of two + SNAPTARGET_GRID, + SNAPTARGET_GRID_INTERSECTION, + SNAPTARGET_GUIDE, + SNAPTARGET_GUIDE_INTERSECTION, + SNAPTARGET_GUIDE_ORIGIN, + SNAPTARGET_GRID_GUIDE_INTERSECTION, + SNAPTARGET_PAGE_BORDER, + SNAPTARGET_PAGE_CORNER, + //------------------------------------------------------------------- + SNAPTARGET_OTHERS_CATEGORY = 128, // will be used as a flag and must therefore be a power of two + SNAPTARGET_OBJECT_MIDPOINT, + SNAPTARGET_IMG_CORNER, + SNAPTARGET_ROTATION_CENTER, + SNAPTARGET_TEXT_ANCHOR, + SNAPTARGET_TEXT_BASELINE, + SNAPTARGET_CONSTRAINED_ANGLE, + SNAPTARGET_CONSTRAINT, + //------------------------------------------------------------------- + SNAPTARGET_MAX_ENUM_VALUE +}; + } #endif /* SNAPENUMS_H_ */ |