diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_sketch.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_sketch.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_sketch.h b/source/blender/blenkernel/BKE_sketch.h new file mode 100644 index 00000000000..424dd5c9f80 --- /dev/null +++ b/source/blender/blenkernel/BKE_sketch.h @@ -0,0 +1,157 @@ +/** + * + * $Id$ + * + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Contributor(s): none yet. + * + * ***** END GPL LICENSE BLOCK ***** + */ +#ifndef BKE_SKETCH_H +#define BKE_SKETCH_H + +typedef enum SK_PType +{ + PT_CONTINUOUS, + PT_EXACT, +} SK_PType; + +typedef enum SK_PMode +{ + PT_SNAP, + PT_PROJECT, +} SK_PMode; + +typedef struct SK_Point +{ + float p[3]; + short p2d[2]; + float no[3]; + float size; + SK_PType type; + SK_PMode mode; +} SK_Point; + +typedef struct SK_Stroke +{ + struct SK_Stroke *next, *prev; + + SK_Point *points; + int nb_points; + int buf_size; + int selected; +} SK_Stroke; + +#define SK_OVERDRAW_LIMIT 5 + +typedef struct SK_Overdraw +{ + SK_Stroke *target; + int start, end; + int count; +} SK_Overdraw; + +#define SK_Stroke_BUFFER_INIT_SIZE 20 + +typedef struct SK_DrawData +{ + short mval[2]; + short previous_mval[2]; + SK_PType type; +} SK_DrawData; + +typedef struct SK_Intersection +{ + struct SK_Intersection *next, *prev; + SK_Stroke *stroke; + int before; + int after; + int gesture_index; + float p[3]; + float lambda; /* used for sorting intersection points */ +} SK_Intersection; + +typedef struct SK_Sketch +{ + ListBase strokes; + ListBase depth_peels; + SK_Stroke *active_stroke; + SK_Stroke *gesture; + SK_Point next_point; + SK_Overdraw over; +} SK_Sketch; + + +typedef struct SK_Gesture { + SK_Stroke *stk; + SK_Stroke *segments; + + ListBase intersections; + ListBase self_intersections; + + int nb_self_intersections; + int nb_intersections; + int nb_segments; +} SK_Gesture; + + +/************************************************/ + +void freeSketch(SK_Sketch *sketch); +SK_Sketch* createSketch(); + +void sk_removeStroke(SK_Sketch *sketch, SK_Stroke *stk); + +void sk_freeStroke(SK_Stroke *stk); +SK_Stroke* sk_createStroke(); + +SK_Point *sk_lastStrokePoint(SK_Stroke *stk); + +void sk_allocStrokeBuffer(SK_Stroke *stk); +void sk_shrinkStrokeBuffer(SK_Stroke *stk); +void sk_growStrokeBuffer(SK_Stroke *stk); +void sk_growStrokeBufferN(SK_Stroke *stk, int n); + +void sk_replaceStrokePoint(SK_Stroke *stk, SK_Point *pt, int n); +void sk_insertStrokePoint(SK_Stroke *stk, SK_Point *pt, int n); +void sk_appendStrokePoint(SK_Stroke *stk, SK_Point *pt); +void sk_insertStrokePoints(SK_Stroke *stk, SK_Point *pts, int len, int start, int end); + +void sk_trimStroke(SK_Stroke *stk, int start, int end); +void sk_straightenStroke(SK_Stroke *stk, int start, int end, float p_start[3], float p_end[3]); +void sk_polygonizeStroke(SK_Stroke *stk, int start, int end); +void sk_flattenStroke(SK_Stroke *stk, int start, int end); +void sk_reverseStroke(SK_Stroke *stk); + +void sk_filterLastContinuousStroke(SK_Stroke *stk); +void sk_filterStroke(SK_Stroke *stk, int start, int end); + +void sk_initPoint(SK_Point *pt, SK_DrawData *dd, float *no); +void sk_copyPoint(SK_Point *dst, SK_Point *src); + +int sk_stroke_filtermval(SK_DrawData *dd); +void sk_endContinuousStroke(SK_Stroke *stk); + +void sk_updateNextPoint(SK_Sketch *sketch, SK_Stroke *stk); + +void sk_initDrawData(SK_DrawData *dd, short mval[2]); + +void sk_deleteSelectedStrokes(SK_Sketch *sketch); +void sk_selectAllSketch(SK_Sketch *sketch, int mode); + +#endif |