Remove Armature Sketching & Retarget

While the feature is interesting, it's not much from what we can tell.

Retargeting is an important feature but needs
to fit in better with typical animation work-flows.

See: T52809

6 files changed, 0 insertions, 731 deletions

diff --git a/source/blender/blenkernel/BKE_sketch.h b/source/blender/blenkernel/BKE_sketch.h
deleted file mode 100644
index 9b9c125fbe6..00000000000
--- a/source/blender/blenkernel/BKE_sketch.h
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * Contributor(s): none yet.
- *
- * ***** END GPL LICENSE BLOCK *****
- */
-#ifndef __BKE_SKETCH_H__
-#define __BKE_SKETCH_H__
-
-/** \file BKE_sketch.h
- *  \ingroup bke
- */
-
-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 {
-	int mval[2];
-	int 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;
-	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);
-
-void sk_removeStroke(SK_Sketch *sketch, SK_Stroke *stk);
-
-void sk_freeStroke(SK_Stroke *stk);
-SK_Stroke *sk_createStroke(void);
-
-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, const float no[3]);
-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, const int mval[2]);
-
-void sk_deleteSelectedStrokes(SK_Sketch *sketch);
-void sk_selectAllSketch(SK_Sketch *sketch, int mode);
-
-#endif
diff --git a/source/blender/blenkernel/CMakeLists.txt b/source/blender/blenkernel/CMakeLists.txt
index 4191580b0fa..d90831605b5 100644
--- a/source/blender/blenkernel/CMakeLists.txt
+++ b/source/blender/blenkernel/CMakeLists.txt
@@ -176,7 +176,6 @@ set(SRC
 	intern/seqmodifier.c
 	intern/sequencer.c
 	intern/shrinkwrap.c
-	intern/sketch.c
 	intern/smoke.c
 	intern/softbody.c
 	intern/sound.c
@@ -296,7 +295,6 @@ set(SRC
 	BKE_screen.h
 	BKE_sequencer.h
 	BKE_shrinkwrap.h
-	BKE_sketch.h
 	BKE_smoke.h
 	BKE_softbody.h
 	BKE_sound.h
diff --git a/source/blender/blenkernel/intern/armature.c b/source/blender/blenkernel/intern/armature.c
index 6daaa10f227..d1b02695c35 100644
--- a/source/blender/blenkernel/intern/armature.c
+++ b/source/blender/blenkernel/intern/armature.c
@@ -73,7 +73,6 @@
 #include "BKE_scene.h"
 
 #include "BIK_api.h"
-#include "BKE_sketch.h"
 
 /* **************** Generic Functions, data level *************** */
 
@@ -135,12 +134,6 @@ void BKE_armature_free(bArmature *arm)
 		MEM_freeN(arm->edbo);
 		arm->edbo = NULL;
 	}
-
-	/* free sketch */
-	if (arm->sketch) {
-		freeSketch(arm->sketch);
-		arm->sketch = NULL;
-	}
 }
 
 void BKE_armature_make_local(Main *bmain, bArmature *arm, const bool lib_local)
@@ -204,7 +197,6 @@ void BKE_armature_copy_data(Main *UNUSED(bmain), bArmature *arm_dst, const bArma
 
 	arm_dst->edbo = NULL;
 	arm_dst->act_edbone = NULL;
-	arm_dst->sketch = NULL;
 }
 
 bArmature *BKE_armature_copy(Main *bmain, const bArmature *arm)
diff --git a/source/blender/blenkernel/intern/library_query.c b/source/blender/blenkernel/intern/library_query.c
index 9c015cea225..ebf286c29ca 100644
--- a/source/blender/blenkernel/intern/library_query.c
+++ b/source/blender/blenkernel/intern/library_query.c
@@ -445,8 +445,6 @@ void BKE_library_foreach_ID_link(Main *bmain, ID *id, LibraryIDLinkCallback call
 				}
 
 				if (toolsett) {
-					CALLBACK_INVOKE(toolsett->skgen_template, IDWALK_CB_NOP);
-
 					CALLBACK_INVOKE(toolsett->particle.scene, IDWALK_CB_NOP);
 					CALLBACK_INVOKE(toolsett->particle.object, IDWALK_CB_NOP);
 					CALLBACK_INVOKE(toolsett->particle.shape_object, IDWALK_CB_NOP);
diff --git a/source/blender/blenkernel/intern/scene.c b/source/blender/blenkernel/intern/scene.c
index 27ebbad6660..91ff3c15502 100644
--- a/source/blender/blenkernel/intern/scene.c
+++ b/source/blender/blenkernel/intern/scene.c
@@ -659,21 +659,6 @@ void BKE_scene_init(Scene *sce)
 
 	sce->toolsettings->snap_node_mode = SCE_SNAP_MODE_GRID;
 
-	sce->toolsettings->skgen_resolution = 100;
-	sce->toolsettings->skgen_threshold_internal     = 0.01f;
-	sce->toolsettings->skgen_threshold_external     = 0.01f;
-	sce->toolsettings->skgen_angle_limit            = 45.0f;
-	sce->toolsettings->skgen_length_ratio           = 1.3f;
-	sce->toolsettings->skgen_length_limit           = 1.5f;
-	sce->toolsettings->skgen_correlation_limit      = 0.98f;
-	sce->toolsettings->skgen_symmetry_limit         = 0.1f;
-	sce->toolsettings->skgen_postpro = SKGEN_SMOOTH;
-	sce->toolsettings->skgen_postpro_passes = 1;
-	sce->toolsettings->skgen_options = SKGEN_FILTER_INTERNAL | SKGEN_FILTER_EXTERNAL | SKGEN_FILTER_SMART | SKGEN_HARMONIC | SKGEN_SUB_CORRELATION | SKGEN_STICK_TO_EMBEDDING;
-	sce->toolsettings->skgen_subdivisions[0] = SKGEN_SUB_CORRELATION;
-	sce->toolsettings->skgen_subdivisions[1] = SKGEN_SUB_LENGTH;
-	sce->toolsettings->skgen_subdivisions[2] = SKGEN_SUB_ANGLE;
-
 	sce->toolsettings->curve_paint_settings.curve_type = CU_BEZIER;
 	sce->toolsettings->curve_paint_settings.flag |= CURVE_PAINT_FLAG_CORNERS_DETECT;
 	sce->toolsettings->curve_paint_settings.error_threshold = 8;
diff --git a/source/blender/blenkernel/intern/sketch.c b/source/blender/blenkernel/intern/sketch.c
deleted file mode 100644
index 6f5c264f658..00000000000
--- a/source/blender/blenkernel/intern/sketch.c
+++ /dev/null
@@ -1,555 +0,0 @@
-/*
- * ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * Contributor(s): none yet.
- *
- * ***** END GPL LICENSE BLOCK *****
- */
-
-/** \file blender/blenkernel/intern/sketch.c
- *  \ingroup bke
- */
-
-
-#include <string.h>
-#include <math.h>
-#include <float.h>
-
-#include "MEM_guardedalloc.h"
-
-#include "BLI_blenlib.h"
-#include "BLI_math.h"
-#include "BLI_utildefines.h"
-
-#include "BKE_sketch.h"
-
-
-#include "DNA_userdef_types.h"
-
-void freeSketch(SK_Sketch *sketch)
-{
-	SK_Stroke *stk, *next;
-
-	for (stk = sketch->strokes.first; stk; stk = next) {
-		next = stk->next;
-
-		sk_freeStroke(stk);
-	}
-
-	MEM_freeN(sketch);
-}
-
-SK_Sketch *createSketch(void)
-{
-	SK_Sketch *sketch;
-
-	sketch = MEM_callocN(sizeof(SK_Sketch), "SK_Sketch");
-
-	sketch->active_stroke = NULL;
-	sketch->gesture = NULL;
-
-	BLI_listbase_clear(&sketch->strokes);
-
-	return sketch;
-}
-
-void sk_initPoint(SK_Point *pt, SK_DrawData *dd, const float no[3])
-{
-	if (no) {
-		normalize_v3_v3(pt->no, no);
-	}
-	else {
-		pt->no[0] = 0.0f;
-		pt->no[1] = 0.0f;
-		pt->no[2] = 1.0f;
-	}
-	pt->p2d[0] = dd->mval[0];
-	pt->p2d[1] = dd->mval[1];
-
-	pt->size = 0.0f;
-	pt->type = PT_CONTINUOUS;
-	pt->mode = PT_SNAP;
-	/* more init code here */
-}
-
-void sk_copyPoint(SK_Point *dst, SK_Point *src)
-{
-	memcpy(dst, src, sizeof(SK_Point));
-}
-
-void sk_allocStrokeBuffer(SK_Stroke *stk)
-{
-	stk->points = MEM_callocN(sizeof(SK_Point) * stk->buf_size, "SK_Point buffer");
-}
-
-void sk_freeStroke(SK_Stroke *stk)
-{
-	MEM_freeN(stk->points);
-	MEM_freeN(stk);
-}
-
-SK_Stroke *sk_createStroke(void)
-{
-	SK_Stroke *stk;
-
-	stk = MEM_callocN(sizeof(SK_Stroke), "SK_Stroke");
-
-	stk->selected = 0;
-	stk->nb_points = 0;
-	stk->buf_size = SK_Stroke_BUFFER_INIT_SIZE;
-
-	sk_allocStrokeBuffer(stk);
-
-	return stk;
-}
-
-void sk_shrinkStrokeBuffer(SK_Stroke *stk)
-{
-	if (stk->nb_points < stk->buf_size) {
-		SK_Point *old_points = stk->points;
-
-		stk->buf_size = stk->nb_points;
-
-		sk_allocStrokeBuffer(stk);
-
-		memcpy(stk->points, old_points, sizeof(SK_Point) * stk->nb_points);
-
-		MEM_freeN(old_points);
-	}
-}
-
-void sk_growStrokeBuffer(SK_Stroke *stk)
-{
-	if (stk->nb_points == stk->buf_size) {
-		SK_Point *old_points = stk->points;
-
-		stk->buf_size *= 2;
-
-		sk_allocStrokeBuffer(stk);
-
-		memcpy(stk->points, old_points, sizeof(SK_Point) * stk->nb_points);
-
-		MEM_freeN(old_points);
-	}
-}
-
-void sk_growStrokeBufferN(SK_Stroke *stk, int n)
-{
-	if (stk->nb_points + n > stk->buf_size) {
-		SK_Point *old_points = stk->points;
-
-		while (stk->nb_points + n > stk->buf_size) {
-			stk->buf_size *= 2;
-		}
-
-		sk_allocStrokeBuffer(stk);
-
-		memcpy(stk->points, old_points, sizeof(SK_Point) * stk->nb_points);
-
-		MEM_freeN(old_points);
-	}
-}
-
-
-void sk_replaceStrokePoint(SK_Stroke *stk, SK_Point *pt, int n)
-{
-	memcpy(stk->points + n, pt, sizeof(SK_Point));
-}
-
-void sk_insertStrokePoint(SK_Stroke *stk, SK_Point *pt, int n)
-{
-	int size = stk->nb_points - n;
-
-	sk_growStrokeBuffer(stk);
-
-	memmove(stk->points + n + 1, stk->points + n, size * sizeof(SK_Point));
-
-	memcpy(stk->points + n, pt, sizeof(SK_Point));
-
-	stk->nb_points++;
-}
-
-void sk_appendStrokePoint(SK_Stroke *stk, SK_Point *pt)
-{
-	sk_growStrokeBuffer(stk);
-
-	memcpy(stk->points + stk->nb_points, pt, sizeof(SK_Point));
-
-	stk->nb_points++;
-}
-
-void sk_insertStrokePoints(SK_Stroke *stk, SK_Point *pts, int len, int start, int end)
-{
-	int size = end - start;
-
-	sk_growStrokeBufferN(stk, len - size);
-
-	if (len != size) {
-		int tail_size = stk->nb_points - end;
-
-		memmove(stk->points + start + len, stk->points + end, tail_size * sizeof(SK_Point));
-	}
-
-	memcpy(stk->points + start, pts, len * sizeof(SK_Point));
-
-	stk->nb_points += len - size;
-}
-
-void sk_trimStroke(SK_Stroke *stk, int start, int end)
-{
-	int size = end - start + 1;
-
-	if (start > 0) {
-		memmove(stk->points, stk->points + start, size * sizeof(SK_Point));
-	}
-
-	stk->nb_points = size;
-}
-
-void sk_straightenStroke(SK_Stroke *stk, int start, int end, float p_start[3], float p_end[3])
-{
-	SK_Point pt1, pt2;
-	SK_Point *prev, *next;
-	float delta_p[3];
-	int i, total;
-
-	total = end - start;
-
-	sub_v3_v3v3(delta_p, p_end, p_start);
-
-	prev = stk->points + start;
-	next = stk->points + end;
-
-	copy_v3_v3(pt1.p, p_start);
-	copy_v3_v3(pt1.no, prev->no);
-	pt1.mode = prev->mode;
-	pt1.type = prev->type;
-
-	copy_v3_v3(pt2.p, p_end);
-	copy_v3_v3(pt2.no, next->no);
-	pt2.mode = next->mode;
-	pt2.type = next->type;
-
-	sk_insertStrokePoint(stk, &pt1, start + 1); /* insert after start */
-	sk_insertStrokePoint(stk, &pt2, end + 1); /* insert before end (since end was pushed back already) */
-
-	for (i = 1; i < total; i++) {
-		float delta = (float)i / (float)total;
-		float *p = stk->points[start + 1 + i].p;
-
-		mul_v3_v3fl(p, delta_p, delta);
-		add_v3_v3(p, p_start);
-	}
-}
-
-void sk_polygonizeStroke(SK_Stroke *stk, int start, int end)
-{
-	int offset;
-	int i;
-
-	/* find first exact points outside of range */
-	for (; start > 0; start--) {
-		if (stk->points[start].type == PT_EXACT) {
-			break;
-		}
-	}
-
-	for (; end < stk->nb_points - 1; end++) {
-		if (stk->points[end].type == PT_EXACT) {
-			break;
-		}
-	}
-
-	offset = start + 1;
-
-	for (i = start + 1; i < end; i++) {
-		if (stk->points[i].type == PT_EXACT) {
-			if (offset != i) {
-				memcpy(stk->points + offset, stk->points + i, sizeof(SK_Point));
-			}
-
-			offset++;
-		}
-	}
-
-	/* some points were removes, move end of array */
-	if (offset < end) {
-		int size = stk->nb_points - end;
-		memmove(stk->points + offset, stk->points + end, size * sizeof(SK_Point));
-		stk->nb_points = offset + size;
-	}
-}
-
-void sk_flattenStroke(SK_Stroke *stk, int start, int end)
-{
-	float normal[3], distance[3];
-	float limit;
-	int i, total;
-
-	total = end - start + 1;
-
-	copy_v3_v3(normal, stk->points[start].no);
-
-	sub_v3_v3v3(distance, stk->points[end].p, stk->points[start].p);
-	project_v3_v3v3(normal, distance, normal);
-	limit = normalize_v3(normal);
-
-	for (i = 1; i < total - 1; i++) {
-		float d = limit * i / total;
-		float offset[3];
-		float *p = stk->points[start + i].p;
-
-		sub_v3_v3v3(distance, p, stk->points[start].p);
-		project_v3_v3v3(distance, distance, normal);
-
-		copy_v3_v3(offset, normal);
-		mul_v3_fl(offset, d);
-
-		sub_v3_v3(p, distance);
-		add_v3_v3(p, offset);
-	}
-}
-
-void sk_removeStroke(SK_Sketch *sketch, SK_Stroke *stk)
-{
-	if (sketch->active_stroke == stk) {
-		sketch->active_stroke = NULL;
-	}
-
-	BLI_remlink(&sketch->strokes, stk);
-	sk_freeStroke(stk);
-}
-
-void sk_reverseStroke(SK_Stroke *stk)
-{
-	SK_Point *old_points = stk->points;
-	int i = 0;
-
-	sk_allocStrokeBuffer(stk);
-
-	for (i = 0; i < stk->nb_points; i++) {
-		sk_copyPoint(stk->points + i, old_points + stk->nb_points - 1 - i);
-	}
-
-	MEM_freeN(old_points);
-}
-
-
-/* Ramer-Douglas-Peucker algorithm for line simplification */
-void sk_filterStroke(SK_Stroke *stk, int start, int end)
-{
-	SK_Point *old_points = stk->points;
-	int nb_points = stk->nb_points;
-	char *marked = NULL;
-	char work;
-	int i;
-
-	if (start == -1) {
-		start = 0;
-		end = stk->nb_points - 1;
-	}
-
-	sk_allocStrokeBuffer(stk);
-	stk->nb_points = 0;
-
-	/* adding points before range */
-	for (i = 0; i < start; i++) {
-		sk_appendStrokePoint(stk, old_points + i);
-	}
-
-	marked = MEM_callocN(nb_points, "marked array");
-	marked[start] = 1;
-	marked[end] = 1;
-	
-	work = 1;
-	
-	/* while still reducing */
-	while (work) {
-		int ls, le;
-		work = 0;
-		
-		ls = start;
-		le = start + 1;
-		
-		/* while not over interval */
-		while (ls < end) {
-			int max_i = 0;
-			short v1[2];
-			float max_dist = 16; /* more than 4 pixels */
-			
-			/* find the next marked point */
-			while (marked[le] == 0) {
-				le++;
-			}
-			
-			/* perpendicular vector to ls-le */
-			v1[1] = old_points[le].p2d[0] - old_points[ls].p2d[0]; 
-			v1[0] = old_points[ls].p2d[1] - old_points[le].p2d[1]; 
-			
-
-			for (i = ls + 1; i < le; i++) {
-				float mul;
-				float dist;
-				short v2[2];
-				
-				v2[0] = old_points[i].p2d[0] - old_points[ls].p2d[0]; 
-				v2[1] = old_points[i].p2d[1] - old_points[ls].p2d[1];
-				
-				if (v2[0] == 0 && v2[1] == 0) {
-					continue;
-				}
-
-				mul = (float)(v1[0] * v2[0] + v1[1] * v2[1]) / (float)(v2[0] * v2[0] + v2[1] * v2[1]);
-				
-				dist = mul * mul * (v2[0] * v2[0] + v2[1] * v2[1]);
-				
-				if (dist > max_dist) {
-					max_dist = dist;
-					max_i = i;
-				}
-			}
-			
-			if (max_i != 0) {
-				work = 1;
-				marked[max_i] = 1;
-			}
-			
-			ls = le;
-			le = ls + 1;
-		}
-	}
-	
-
-	/* adding points after range */
-	for (i = start; i <= end; i++) {
-		if (marked[i]) {
-			sk_appendStrokePoint(stk, old_points + i);
-		}
-	}
-
-	MEM_freeN(marked);
-
-	/* adding points after range */
-	for (i = end + 1; i < nb_points; i++) {
-		sk_appendStrokePoint(stk, old_points + i);
-	}
-
-	MEM_freeN(old_points);
-
-	sk_shrinkStrokeBuffer(stk);
-}
-
-
-void sk_filterLastContinuousStroke(SK_Stroke *stk)
-{
-	int start, end;
-
-	end = stk->nb_points - 1;
-
-	for (start = end - 1; start > 0 && stk->points[start].type == PT_CONTINUOUS; start--) {
-		/* nothing to do here*/
-	}
-
-	if (end - start > 1) {
-		sk_filterStroke(stk, start, end);
-	}
-}
-
-SK_Point *sk_lastStrokePoint(SK_Stroke *stk)
-{
-	SK_Point *pt = NULL;
-
-	if (stk->nb_points > 0) {
-		pt = stk->points + (stk->nb_points - 1);
-	}
-
-	return pt;
-}
-
-void sk_endContinuousStroke(SK_Stroke *stk)
-{
-	stk->points[stk->nb_points - 1].type = PT_EXACT;
-}
-
-void sk_updateNextPoint(SK_Sketch *sketch, SK_Stroke *stk)
-{
-	if (stk) {
-		memcpy(&(sketch->next_point), &(stk->points[stk->nb_points - 1]), sizeof(SK_Point));
-	}
-}
-
-int sk_stroke_filtermval(SK_DrawData *dd)
-{
-	int retval = 0;
-	if (ABS(dd->mval[0] - dd->previous_mval[0]) + ABS(dd->mval[1] - dd->previous_mval[1]) > U.gp_manhattendist) {
-		retval = 1;
-	}
-
-	return retval;
-}
-
-void sk_initDrawData(SK_DrawData *dd, const int mval[2])
-{
-	dd->mval[0] = mval[0];
-	dd->mval[1] = mval[1];
-	dd->previous_mval[0] = -1;
-	dd->previous_mval[1] = -1;
-	dd->type = PT_EXACT;
-}
-
-
-void sk_deleteSelectedStrokes(SK_Sketch *sketch)
-{
-	SK_Stroke *stk, *next;
-
-	for (stk = sketch->strokes.first; stk; stk = next) {
-		next = stk->next;
-
-		if (stk->selected == 1) {
-			sk_removeStroke(sketch, stk);
-		}
-	}
-}
-
-void sk_selectAllSketch(SK_Sketch *sketch, int mode)
-{
-	SK_Stroke *stk = NULL;
-
-	if (mode == -1) {
-		for (stk = sketch->strokes.first; stk; stk = stk->next) {
-			stk->selected = 0;
-		}
-	}
-	else if (mode == 0) {
-		for (stk = sketch->strokes.first; stk; stk = stk->next) {
-			stk->selected = 1;
-		}
-	}
-	else if (mode == 1) {
-		int selected = 1;
-
-		for (stk = sketch->strokes.first; stk; stk = stk->next) {
-			selected &= stk->selected;
-		}
-
-		selected ^= 1;
-
-		for (stk = sketch->strokes.first; stk; stk = stk->next) {
-			stk->selected = selected;
-		}
-	}
-}