Differential D2889 Diff 11226 source/blender/editors/gpencil/gpencil_data.c

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source/blender/editors/gpencil/gpencil_data.c

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#include "BLI_blenlib.h"		#include "BLI_blenlib.h"
#include "BLI_utildefines.h"		#include "BLI_utildefines.h"
#include "BLI_ghash.h"		#include "BLI_ghash.h"
#include "BLI_math.h"		#include "BLI_math.h"
#include "BLI_string_utils.h"		#include "BLI_string_utils.h"

#include "BLT_translation.h"		#include "BLT_translation.h"

		#include "DNA_anim_types.h"
		#include "DNA_brush_types.h"
		#include "DNA_gpencil_types.h"
		#include "DNA_meshdata_types.h"
		#include "DNA_modifier_types.h"
		#include "DNA_object_types.h"
#include "DNA_scene_types.h"		#include "DNA_scene_types.h"
#include "DNA_screen_types.h"		#include "DNA_screen_types.h"
#include "DNA_space_types.h"		#include "DNA_space_types.h"
#include "DNA_view3d_types.h"		#include "DNA_view3d_types.h"
#include "DNA_gpencil_types.h"

		#include "BKE_main.h"
		#include "BKE_brush.h"
		#include "BKE_animsys.h"
		#include "BKE_colortools.h"
#include "BKE_context.h"		#include "BKE_context.h"
		#include "BKE_deform.h"
		#include "BKE_fcurve.h"
		#include "BKE_global.h"
#include "BKE_gpencil.h"		#include "BKE_gpencil.h"
#include "BKE_library.h"		#include "BKE_library.h"
		#include "BKE_modifier.h"
#include "BKE_object.h"		#include "BKE_object.h"
		#include "BKE_material.h"
		#include "BKE_paint.h"
#include "BKE_report.h"		#include "BKE_report.h"
#include "BKE_scene.h"		#include "BKE_scene.h"
#include "BKE_screen.h"		#include "BKE_screen.h"
#include "BKE_colortools.h"

#include "UI_interface.h"		#include "UI_interface.h"
#include "UI_resources.h"		#include "UI_resources.h"

#include "WM_api.h"		#include "WM_api.h"
#include "WM_types.h"		#include "WM_types.h"

#include "RNA_access.h"		#include "RNA_access.h"
#include "RNA_define.h"		#include "RNA_define.h"
#include "RNA_enum_types.h"		#include "RNA_enum_types.h"

		#include "ED_object.h"
#include "ED_gpencil.h"		#include "ED_gpencil.h"

		#include "DEG_depsgraph.h"
		#include "DEG_depsgraph_build.h"
		#include "DEG_depsgraph_query.h"

#include "gpencil_intern.h"		#include "gpencil_intern.h"

/* ************************************************ */		/* ************************************************ */
/* Datablock Operators */		/* Datablock Operators */

/* ***************** Add New Data ********************** */		/* ***************** Add New Data ********************** */

/* add new datablock - wrapper around API */		/* add new datablock - wrapper around API */
static int gp_data_add_exec(bContext C, wmOperator op)		static int gp_data_add_exec(bContext C, wmOperator op)
{		{
bGPdata **gpd_ptr = ED_gpencil_data_get_pointers(C, NULL);		bGPdata **gpd_ptr = ED_gpencil_data_get_pointers(C, NULL);
ToolSettings *ts = CTX_data_tool_settings(C);

if (gpd_ptr == NULL) {		if (gpd_ptr == NULL) {
BKE_report(op->reports, RPT_ERROR, "Nowhere for grease pencil data to go");		BKE_report(op->reports, RPT_ERROR, "Nowhere for grease pencil data to go");
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}		}
else {		else {
/* decrement user count and add new datablock */		/* decrement user count and add new datablock */
		/* TODO: if a datablock exists, we should make a copy of it instead of starting fresh (as in other areas) */
		Main *bmain = CTX_data_main(C);
bGPdata gpd = (gpd_ptr);		bGPdata gpd = (gpd_ptr);

id_us_min(&gpd->id);		id_us_min((ID *)gpd);
*gpd_ptr = BKE_gpencil_data_addnew(DATA_("GPencil"));		*gpd_ptr = BKE_gpencil_data_addnew(bmain, DATA_("GPencil"));

/* if not exist brushes, create a new set */
if (ts) {
if (BLI_listbase_is_empty(&ts->gp_brushes)) {
/* create new brushes */
BKE_gpencil_brush_init_presets(ts);
}
}

		/* add default sets of colors and brushes */
		ED_gpencil_add_defaults(C);
}		}

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

▲ Show 20 Lines • Show All 63 Lines • ▼ Show 20 Lines
/* Layer Operators */		/* Layer Operators */

/* ***************** Add New Layer ********************** */		/* ***************** Add New Layer ********************** */

/* add new layer - wrapper around API */		/* add new layer - wrapper around API */
static int gp_layer_add_exec(bContext C, wmOperator op)		static int gp_layer_add_exec(bContext C, wmOperator op)
{		{
bGPdata **gpd_ptr = ED_gpencil_data_get_pointers(C, NULL);		bGPdata **gpd_ptr = ED_gpencil_data_get_pointers(C, NULL);
ToolSettings *ts = CTX_data_tool_settings(C);

/* if there's no existing Grease-Pencil data there, add some */		/* if there's no existing Grease-Pencil data there, add some */
if (gpd_ptr == NULL) {		if (gpd_ptr == NULL) {
BKE_report(op->reports, RPT_ERROR, "Nowhere for grease pencil data to go");		BKE_report(op->reports, RPT_ERROR, "Nowhere for grease pencil data to go");
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}		}
if (*gpd_ptr == NULL)		if (*gpd_ptr == NULL) {
*gpd_ptr = BKE_gpencil_data_addnew(DATA_("GPencil"));		*gpd_ptr = BKE_gpencil_data_addnew(CTX_data_main(C), DATA_("GPencil"));

/* if not exist brushes, create a new set */
if (ts) {
if (BLI_listbase_is_empty(&ts->gp_brushes)) {
/* create new brushes */
BKE_gpencil_brush_init_presets(ts);
}
}		}

		/* add default sets of colors and brushes */
		ED_gpencil_add_defaults(C);

/* add new layer now */		/* add new layer now */
BKE_gpencil_layer_addnew(*gpd_ptr, DATA_("GP_Layer"), true);		BKE_gpencil_layer_addnew(*gpd_ptr, DATA_("GP_Layer"), true);

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}
Show All 36 Lines	if (gpl->prev)
BKE_gpencil_layer_setactive(gpd, gpl->prev);		BKE_gpencil_layer_setactive(gpd, gpl->prev);
else		else
BKE_gpencil_layer_setactive(gpd, gpl->next);		BKE_gpencil_layer_setactive(gpd, gpl->next);

/* delete the layer now... */		/* delete the layer now... */
BKE_gpencil_layer_delete(gpd, gpl);		BKE_gpencil_layer_delete(gpd, gpl);

/* notifiers */		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_layer_remove(wmOperatorType *ot)		void GPENCIL_OT_layer_remove(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
Show All 23 Lines	static int gp_layer_move_exec(bContext C, wmOperator op)
int direction = RNA_enum_get(op->ptr, "type");		int direction = RNA_enum_get(op->ptr, "type");

/* sanity checks */		/* sanity checks */
if (ELEM(NULL, gpd, gpl))		if (ELEM(NULL, gpd, gpl))
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

BLI_assert(ELEM(direction, -1, 0, 1)); /* we use value below */		BLI_assert(ELEM(direction, -1, 0, 1)); /* we use value below */
if (BLI_listbase_link_move(&gpd->layers, gpl, direction)) {		if (BLI_listbase_link_move(&gpd->layers, gpl, direction)) {
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);
}		}

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_layer_move(wmOperatorType *ot)		void GPENCIL_OT_layer_move(wmOperatorType *ot)
{		{
Show All 34 Lines	static int gp_layer_copy_exec(bContext C, wmOperator UNUSED(op))
new_layer = BKE_gpencil_layer_duplicate(gpl);		new_layer = BKE_gpencil_layer_duplicate(gpl);
BLI_insertlinkafter(&gpd->layers, gpl, new_layer);		BLI_insertlinkafter(&gpd->layers, gpl, new_layer);

/* ensure new layer has a unique name, and is now the active layer */		/* ensure new layer has a unique name, and is now the active layer */
BLI_uniquename(&gpd->layers, new_layer, DATA_("GP_Layer"), '.', offsetof(bGPDlayer, info), sizeof(new_layer->info));		BLI_uniquename(&gpd->layers, new_layer, DATA_("GP_Layer"), '.', offsetof(bGPDlayer, info), sizeof(new_layer->info));
BKE_gpencil_layer_setactive(gpd, new_layer);		BKE_gpencil_layer_setactive(gpd, new_layer);

/* notifiers */		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_layer_duplicate(wmOperatorType *ot)		void GPENCIL_OT_layer_duplicate(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Duplicate Layer";		ot->name = "Duplicate Layer";
ot->idname = "GPENCIL_OT_layer_duplicate";		ot->idname = "GPENCIL_OT_layer_duplicate";
ot->description = "Make a copy of the active Grease Pencil layer";		ot->description = "Make a copy of the active Grease Pencil layer";

/* callbacks */		/* callbacks */
ot->exec = gp_layer_copy_exec;		ot->exec = gp_layer_copy_exec;
ot->poll = gp_active_layer_poll;		ot->poll = gp_active_layer_poll;

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;
}		}

		/* ******************* Duplicate Frame ************************ */
		enum {
		GP_FRAME_DUP_ACTIVE = 0,
		GP_FRAME_DUP_ALL = 1
		};

		static int gp_frame_duplicate_exec(bContext C, wmOperator op)
		{
		bGPdata *gpd = ED_gpencil_data_get_active(C);
		bGPDlayer *gpl = BKE_gpencil_layer_getactive(gpd);
		Depsgraph *depsgraph = CTX_data_depsgraph(C);
		int cfra_eval = (int)DEG_get_ctime(depsgraph);

		int mode = RNA_enum_get(op->ptr, "mode");

		/* sanity checks */
		if (ELEM(NULL, gpd, gpl))
		return OPERATOR_CANCELLED;

		if (mode == 0) {
		BKE_gpencil_frame_addcopy(gpl, cfra_eval);
		}
		else {
		for (gpl = gpd->layers.first; gpl; gpl = gpl->next) {
		if ((gpl->flag & GP_LAYER_LOCKED) == 0) {
		BKE_gpencil_frame_addcopy(gpl, cfra_eval);
		}
		}

		}
		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

		return OPERATOR_FINISHED;
		}

		void GPENCIL_OT_frame_duplicate(wmOperatorType *ot)
		{
		static const EnumPropertyItem duplicate_mode[] = {
		{ GP_FRAME_DUP_ACTIVE, "ACTIVE", 0, "Active", "Duplicate frame in active layer only" },
		{ GP_FRAME_DUP_ALL, "ALL", 0, "All", "Duplicate active frames in all layers" },
		{ 0, NULL, 0, NULL, NULL }
		};


		/* identifiers */
		ot->name = "Duplicate Frame";
		ot->idname = "GPENCIL_OT_frame_duplicate";
		ot->description = "Make a copy of the active Grease Pencil Frame";

		/* callbacks */
		ot->exec = gp_frame_duplicate_exec;
		ot->poll = gp_active_layer_poll;

		/* flags */
		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

		ot->prop = RNA_def_enum(ot->srna, "mode", duplicate_mode, GP_FRAME_DUP_ACTIVE, "Mode", "");
		}

		/* ******************* Clean Fill Boundaries on Frame ************************ */
		enum {
		GP_FRAME_CLEAN_FILL_ACTIVE = 0,
		GP_FRAME_CLEAN_FILL_ALL = 1
		};

		static int gp_frame_clean_fill_exec(bContext C, wmOperator op)
		{
		bool changed = false;
		bGPdata *gpd = ED_gpencil_data_get_active(C);
		int mode = RNA_enum_get(op->ptr, "mode");

		CTX_DATA_BEGIN(C, bGPDlayer *, gpl, editable_gpencil_layers)
		{
		bGPDframe *init_gpf = gpl->actframe;
		if (mode == GP_FRAME_CLEAN_FILL_ALL) {
		init_gpf = gpl->frames.first;
		}

		for (bGPDframe *gpf = init_gpf; gpf; gpf = gpf->next) {
		if ((gpf == gpl->actframe) \|\| (mode == GP_FRAME_CLEAN_FILL_ALL)) {
		bGPDstroke gps, gpsn;

		if (gpf == NULL)
		continue;

		/* simply delete strokes which are no fill */
		for (gps = gpf->strokes.first; gps; gps = gpsn) {
		gpsn = gps->next;

		/* skip strokes that are invalid for current view */
		if (ED_gpencil_stroke_can_use(C, gps) == false)
		continue;

		/* free stroke */
		if (gps->flag & GP_STROKE_NOFILL) {
		/* free stroke memory arrays, then stroke itself */
		if (gps->points) {
		MEM_freeN(gps->points);
		}
		if (gps->dvert) {
		BKE_gpencil_free_stroke_weights(gps);
		MEM_freeN(gps->dvert);
		}
		MEM_SAFE_FREE(gps->triangles);
		BLI_freelinkN(&gpf->strokes, gps);

		changed = true;
		}
		}
		}
		}
		}
		CTX_DATA_END;

		/* notifiers */
		if (changed) {
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);
		}

		return OPERATOR_FINISHED;
		}

		void GPENCIL_OT_frame_clean_fill(wmOperatorType *ot)
		{
		static const EnumPropertyItem duplicate_mode[] = {
		{ GP_FRAME_CLEAN_FILL_ACTIVE, "ACTIVE", 0, "Active Frame Only", "Clean active frame only" },
		{ GP_FRAME_CLEAN_FILL_ALL, "ALL", 0, "All Frames", "Clean all frames in all layers" },
		{ 0, NULL, 0, NULL, NULL }
		};

		/* identifiers */
		ot->name = "Clean Fill Boundaries";
		ot->idname = "GPENCIL_OT_frame_clean_fill";
		ot->description = "Remove 'no fill' boundary strokes";

		/* callbacks */
		ot->exec = gp_frame_clean_fill_exec;
		ot->poll = gp_active_layer_poll;

		/* flags */
		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

		ot->prop = RNA_def_enum(ot->srna, "mode", duplicate_mode, GP_FRAME_DUP_ACTIVE, "Mode", "");
		}

/* ********************* Hide Layers ****************************** */		/* ********************* Hide Layers ****************************** */

static int gp_hide_exec(bContext C, wmOperator op)		static int gp_hide_exec(bContext C, wmOperator op)
{		{
bGPdata *gpd = ED_gpencil_data_get_active(C);		bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDlayer *layer = BKE_gpencil_layer_getactive(gpd);		bGPDlayer *layer = BKE_gpencil_layer_getactive(gpd);
bool unselected = RNA_boolean_get(op->ptr, "unselected");		bool unselected = RNA_boolean_get(op->ptr, "unselected");

Show All 12 Lines	if (unselected) {
}		}
}		}
else {		else {
/* hide selected/active */		/* hide selected/active */
layer->flag \|= GP_LAYER_HIDE;		layer->flag \|= GP_LAYER_HIDE;
}		}

/* notifiers */		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_hide(wmOperatorType *ot)		void GPENCIL_OT_hide(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
▲ Show 20 Lines • Show All 71 Lines • ▼ Show 20 Lines	if (gpl->flag & GP_LAYER_HIDE) {
gp_reveal_select_frame(C, gpf, false);		gp_reveal_select_frame(C, gpf, false);
}		}
}		}
}		}
}		}
}		}

/* notifiers */		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_reveal(wmOperatorType *ot)		void GPENCIL_OT_reveal(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
Show All 24 Lines	if (gpd == NULL)
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

/* make all layers non-editable */		/* make all layers non-editable */
for (gpl = gpd->layers.first; gpl; gpl = gpl->next) {		for (gpl = gpd->layers.first; gpl; gpl = gpl->next) {
gpl->flag \|= GP_LAYER_LOCKED;		gpl->flag \|= GP_LAYER_LOCKED;
}		}

/* notifiers */		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_lock_all(wmOperatorType *ot)		void GPENCIL_OT_lock_all(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
Show All 21 Lines	if (gpd == NULL)
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

/* make all layers editable again */		/* make all layers editable again */
for (gpl = gpd->layers.first; gpl; gpl = gpl->next) {		for (gpl = gpd->layers.first; gpl; gpl = gpl->next) {
gpl->flag &= ~GP_LAYER_LOCKED;		gpl->flag &= ~GP_LAYER_LOCKED;
}		}

/* notifiers */		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_unlock_all(wmOperatorType *ot)		void GPENCIL_OT_unlock_all(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
▲ Show 20 Lines • Show All 56 Lines • ▼ Show 20 Lines	static int gp_isolate_layer_exec(bContext C, wmOperator op)
else {		else {
/* Clear flags - Restore everything else */		/* Clear flags - Restore everything else */
for (gpl = gpd->layers.first; gpl; gpl = gpl->next) {		for (gpl = gpd->layers.first; gpl; gpl = gpl->next) {
gpl->flag &= ~flags;		gpl->flag &= ~flags;
}		}
}		}

/* notifiers */		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_layer_isolate(wmOperatorType *ot)		void GPENCIL_OT_layer_isolate(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
Show All 27 Lines	static int gp_merge_layer_exec(bContext C, wmOperator op)
}		}

/* Collect frames of gpl_current in hash table to avoid O(n^2) lookups */		/* Collect frames of gpl_current in hash table to avoid O(n^2) lookups */
GHash *gh_frames_cur = BLI_ghash_int_new_ex(__func__, 64);		GHash *gh_frames_cur = BLI_ghash_int_new_ex(__func__, 64);
for (bGPDframe *gpf = gpl_current->frames.first; gpf; gpf = gpf->next) {		for (bGPDframe *gpf = gpl_current->frames.first; gpf; gpf = gpf->next) {
BLI_ghash_insert(gh_frames_cur, SET_INT_IN_POINTER(gpf->framenum), gpf);		BLI_ghash_insert(gh_frames_cur, SET_INT_IN_POINTER(gpf->framenum), gpf);
}		}

/* read all frames from next layer */		/* read all frames from next layer and add any missing in current layer */
for (bGPDframe *gpf = gpl_next->frames.first; gpf; gpf = gpf->next) {		for (bGPDframe *gpf = gpl_next->frames.first; gpf; gpf = gpf->next) {
/* try to find frame in active layer */		/* try to find frame in current layer */
bGPDframe *frame = BLI_ghash_lookup(gh_frames_cur, SET_INT_IN_POINTER(gpf->framenum));		bGPDframe *frame = BLI_ghash_lookup(gh_frames_cur, SET_INT_IN_POINTER(gpf->framenum));
if (!frame) {		if (!frame) {
/* nothing found, create new */		bGPDframe *actframe = BKE_gpencil_layer_getframe(gpl_current, gpf->framenum, GP_GETFRAME_USE_PREV);
frame = BKE_gpencil_frame_addnew(gpl_current, gpf->framenum);		frame = BKE_gpencil_frame_addnew(gpl_current, gpf->framenum);
		/* duplicate strokes of current active frame */
		if (actframe) {
		BKE_gpencil_frame_copy_strokes(actframe, frame);
		}
}		}
/* add to tail all strokes */		/* add to tail all strokes */
BLI_movelisttolist(&frame->strokes, &gpf->strokes);		BLI_movelisttolist(&frame->strokes, &gpf->strokes);
}		}

/* Now delete next layer */		/* Now delete next layer */
BKE_gpencil_layer_delete(gpd, gpl_next);		BKE_gpencil_layer_delete(gpd, gpl_next);
BLI_ghash_free(gh_frames_cur, NULL, NULL);		BLI_ghash_free(gh_frames_cur, NULL, NULL);

/* notifiers */		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_layer_merge(wmOperatorType *ot)		void GPENCIL_OT_layer_merge(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
▲ Show 20 Lines • Show All 45 Lines • ▼ Show 20 Lines	if (gpl == NULL) {
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}		}
}		}

/* Set active layer */		/* Set active layer */
BKE_gpencil_layer_setactive(gpd, gpl);		BKE_gpencil_layer_setactive(gpd, gpl);

/* updates */		/* updates */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_layer_change(wmOperatorType *ot)		void GPENCIL_OT_layer_change(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
Show All 22 Lines	enum {
GP_STROKE_MOVE_UP = -1,		GP_STROKE_MOVE_UP = -1,
GP_STROKE_MOVE_DOWN = 1,		GP_STROKE_MOVE_DOWN = 1,
GP_STROKE_MOVE_TOP = 2,		GP_STROKE_MOVE_TOP = 2,
GP_STROKE_MOVE_BOTTOM = 3		GP_STROKE_MOVE_BOTTOM = 3
};		};

static int gp_stroke_arrange_exec(bContext C, wmOperator op)		static int gp_stroke_arrange_exec(bContext C, wmOperator op)
{		{
		Object *ob = CTX_data_active_object(C);
bGPdata *gpd = ED_gpencil_data_get_active(C);		bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDlayer *gpl = BKE_gpencil_layer_getactive(gpd);		bGPDlayer *gpl = BKE_gpencil_layer_getactive(gpd);
bGPDstroke *gps;		bGPDstroke *gps;

/* sanity checks */		/* sanity checks */
if (ELEM(NULL, gpd, gpl, gpl->actframe)) {		if (ELEM(NULL, gpd, gpl, gpl->actframe)) {
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}		}

bGPDframe *gpf = gpl->actframe;
/* temp listbase to store selected strokes */
ListBase selected = {NULL};
const int direction = RNA_enum_get(op->ptr, "direction");		const int direction = RNA_enum_get(op->ptr, "direction");

		for (gpl = gpd->layers.first; gpl; gpl = gpl->next) {
		/* temp listbase to store selected strokes by layer */
		ListBase selected = { NULL };
		bGPDframe *gpf = gpl->actframe;
		if (gpl->flag & GP_LAYER_LOCKED) {
		continue;
		}

		if (gpf == NULL) {
		continue;
		}
		bool gpf_lock = false;
/* verify if any selected stroke is in the extreme of the stack and select to move */		/* verify if any selected stroke is in the extreme of the stack and select to move */
for (gps = gpf->strokes.first; gps; gps = gps->next) {		for (gps = gpf->strokes.first; gps; gps = gps->next) {
/* only if selected */		/* only if selected */
if (gps->flag & GP_STROKE_SELECT) {		if (gps->flag & GP_STROKE_SELECT) {
/* skip strokes that are invalid for current view */		/* skip strokes that are invalid for current view */
if (ED_gpencil_stroke_can_use(C, gps) == false) {		if (ED_gpencil_stroke_can_use(C, gps) == false) {
continue;		continue;
}		}
/* check if the color is editable */		/* check if the color is editable */
if (ED_gpencil_stroke_color_use(gpl, gps) == false) {		if (ED_gpencil_stroke_color_use(ob, gpl, gps) == false) {
continue;		continue;
}		}
/* some stroke is already at front*/		/* some stroke is already at front*/
if ((direction == GP_STROKE_MOVE_TOP) \|\| (direction == GP_STROKE_MOVE_UP)) {		if ((direction == GP_STROKE_MOVE_TOP) \|\| (direction == GP_STROKE_MOVE_UP)) {
if (gps == gpf->strokes.last) {		if (gps == gpf->strokes.last) {
return OPERATOR_CANCELLED;		gpf_lock = true;
		continue;
}		}
}		}
/* some stroke is already at botom */		/* some stroke is already at botom */
if ((direction == GP_STROKE_MOVE_BOTTOM) \|\| (direction == GP_STROKE_MOVE_DOWN)) {		if ((direction == GP_STROKE_MOVE_BOTTOM) \|\| (direction == GP_STROKE_MOVE_DOWN)) {
if (gps == gpf->strokes.first) {		if (gps == gpf->strokes.first) {
return OPERATOR_CANCELLED;		gpf_lock = true;
		continue;
}		}
}		}
/* add to list */		/* add to list (if not locked) */
		if (!gpf_lock) {
BLI_addtail(&selected, BLI_genericNodeN(gps));		BLI_addtail(&selected, BLI_genericNodeN(gps));
}		}
}		}
		}
/* Now do the movement of the stroke */		/* Now do the movement of the stroke */
		if (!gpf_lock) {
switch (direction) {		switch (direction) {
/* Bring to Front */		/* Bring to Front */
case GP_STROKE_MOVE_TOP:		case GP_STROKE_MOVE_TOP:
for (LinkData *link = selected.first; link; link = link->next) {		for (LinkData *link = selected.first; link; link = link->next) {
gps = link->data;		gps = link->data;
BLI_remlink(&gpf->strokes, gps);		BLI_remlink(&gpf->strokes, gps);
BLI_addtail(&gpf->strokes, gps);		BLI_addtail(&gpf->strokes, gps);
}		}
break;		break;
/* Bring Forward */		/* Bring Forward */
case GP_STROKE_MOVE_UP:		case GP_STROKE_MOVE_UP:
for (LinkData *link = selected.last; link; link = link->prev) {		for (LinkData *link = selected.last; link; link = link->prev) {
gps = link->data;		gps = link->data;
BLI_listbase_link_move(&gpf->strokes, gps, 1);		BLI_listbase_link_move(&gpf->strokes, gps, 1);
}		}
break;		break;
/* Send Backward */		/* Send Backward */
case GP_STROKE_MOVE_DOWN:		case GP_STROKE_MOVE_DOWN:
for (LinkData *link = selected.first; link; link = link->next) {		for (LinkData *link = selected.first; link; link = link->next) {
gps = link->data;		gps = link->data;
BLI_listbase_link_move(&gpf->strokes, gps, -1);		BLI_listbase_link_move(&gpf->strokes, gps, -1);
}		}
break;		break;
/* Send to Back */		/* Send to Back */
case GP_STROKE_MOVE_BOTTOM:		case GP_STROKE_MOVE_BOTTOM:
for (LinkData *link = selected.last; link; link = link->prev) {		for (LinkData *link = selected.last; link; link = link->prev) {
gps = link->data;		gps = link->data;
BLI_remlink(&gpf->strokes, gps);		BLI_remlink(&gpf->strokes, gps);
BLI_addhead(&gpf->strokes, gps);		BLI_addhead(&gpf->strokes, gps);
}		}
break;		break;
default:		default:
BLI_assert(0);		BLI_assert(0);
break;		break;
}		}
		}
BLI_freelistN(&selected);		BLI_freelistN(&selected);
		}

/* notifiers */		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_stroke_arrange(wmOperatorType *ot)		void GPENCIL_OT_stroke_arrange(wmOperatorType *ot)
{		{
static const EnumPropertyItem slot_move[] = {		static const EnumPropertyItem slot_move[] = {
{GP_STROKE_MOVE_UP, "UP", 0, "Bring Forward", ""},		{GP_STROKE_MOVE_UP, "UP", 0, "Bring Forward", ""},
{GP_STROKE_MOVE_DOWN, "DOWN", 0, "Send Backward", ""},		{GP_STROKE_MOVE_DOWN, "DOWN", 0, "Send Backward", ""},
{GP_STROKE_MOVE_TOP, "TOP", 0, "Bring to Front", ""},		{GP_STROKE_MOVE_TOP, "TOP", 0, "Bring to Front", ""},
{GP_STROKE_MOVE_BOTTOM, "BOTTOM", 0, "Send to Back", ""},		{GP_STROKE_MOVE_BOTTOM, "BOTTOM", 0, "Send to Back", ""},
{0, NULL, 0, NULL, NULL }		{0, NULL, 0, NULL, NULL }
};		};

/* identifiers */		/* identifiers */
ot->name = "Arrange Stroke";		ot->name = "Arrange Stroke";
ot->idname = "GPENCIL_OT_stroke_arrange";		ot->idname = "GPENCIL_OT_stroke_arrange";
ot->description = "Arrange selected strokes up/down in the drawing order of the active layer";		ot->description = "Arrange selected strokes up/down in the drawing order of the active layer";

/* api callbacks */		/* callbacks */
ot->exec = gp_stroke_arrange_exec;		ot->exec = gp_stroke_arrange_exec;
ot->poll = gp_active_layer_poll;		ot->poll = gp_active_layer_poll;

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

		/* properties */
ot->prop = RNA_def_enum(ot->srna, "direction", slot_move, GP_STROKE_MOVE_UP, "Direction", "");		ot->prop = RNA_def_enum(ot->srna, "direction", slot_move, GP_STROKE_MOVE_UP, "Direction", "");
}		}

/* ***************** Move Stroke to new color ************************ */		/* ***************** Move Stroke to new color ************************ */

static int gp_stroke_change_color_exec(bContext C, wmOperator UNUSED(op))		static int gp_stroke_change_color_exec(bContext C, wmOperator UNUSED(op))
{		{
bGPdata *gpd = ED_gpencil_data_get_active(C);		bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDpalette *palette;		Object *ob = CTX_data_active_object(C);
bGPDpalettecolor *color;		Material *ma = give_current_material(ob, ob->actcol);
		int idx = BKE_object_material_slot_find_index(ob, ma) - 1;

/* sanity checks */		/* sanity checks */
if (ELEM(NULL, gpd)) {		if (ELEM(NULL, gpd)) {
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}		}

palette = BKE_gpencil_palette_getactive(gpd);		bool is_multiedit = (bool)GPENCIL_MULTIEDIT_SESSIONS_ON(gpd);
color = BKE_gpencil_palettecolor_getactive(palette);		if (ELEM(NULL, ma)) {
if (ELEM(NULL, palette, color)) {
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}		}

/* loop all strokes */		/* loop all strokes */
for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {		CTX_DATA_BEGIN(C, bGPDlayer *, gpl, editable_gpencil_layers)
/* only editable and visible layers are considered */		{
if (gpencil_layer_is_editable(gpl) && (gpl->actframe != NULL)) {		bGPDframe *init_gpf = gpl->actframe;
for (bGPDstroke *gps = gpl->actframe->strokes.last; gps; gps = gps->prev) {		if (is_multiedit) {
		init_gpf = gpl->frames.first;
		}

		for (bGPDframe *gpf = init_gpf; gpf; gpf = gpf->next) {
		if ((gpf == gpl->actframe) \|\| ((gpf->flag & GP_FRAME_SELECT) && (is_multiedit))) {
		if (gpf == NULL)
		continue;

		for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) {
/* only if selected */		/* only if selected */
if (gps->flag & GP_STROKE_SELECT) {		if (gps->flag & GP_STROKE_SELECT) {
/* skip strokes that are invalid for current view */		/* skip strokes that are invalid for current view */
if (ED_gpencil_stroke_can_use(C, gps) == false)		if (ED_gpencil_stroke_can_use(C, gps) == false)
continue;		continue;
/* check if the color is editable */		/* check if the color is editable */
if (ED_gpencil_stroke_color_use(gpl, gps) == false)		if (ED_gpencil_stroke_color_use(ob, gpl, gps) == false)
continue;		continue;

/* asign new color (only if different) */		/* asign new color */
if ((STREQ(gps->colorname, color->info) == false) \|\| (gps->palcolor != color)) {		gps->mat_nr = idx;
BLI_strncpy(gps->colorname, color->info, sizeof(gps->colorname));
gps->palcolor = color;
}		}
}		}
}		}
}		}
}		}
		CTX_DATA_END;

/* notifiers */		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_stroke_change_color(wmOperatorType *ot)		void GPENCIL_OT_stroke_change_color(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Change Stroke Color";		ot->name = "Change Stroke Color";
ot->idname = "GPENCIL_OT_stroke_change_color";		ot->idname = "GPENCIL_OT_stroke_change_color";
ot->description = "Move selected strokes to active color";		ot->description = "Move selected strokes to active color";

/* api callbacks */		/* callbacks */
ot->exec = gp_stroke_change_color_exec;		ot->exec = gp_stroke_change_color_exec;
ot->poll = gp_active_layer_poll;		ot->poll = gp_active_layer_poll;

		/* flags */
		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;
}		}

/* ***************** Lock color of non selected Strokes colors ************************ */		/* ***************** Lock color of non selected Strokes colors ************************ */

static int gp_stroke_lock_color_exec(bContext C, wmOperator UNUSED(op))		static int gp_stroke_lock_color_exec(bContext C, wmOperator UNUSED(op))
{		{
bGPdata *gpd = ED_gpencil_data_get_active(C);		bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDpalette *palette;
		Object *ob = CTX_data_active_object(C);

		Material ***matar = give_matarar(ob);
		short *totcol = give_totcolp(ob);

/* sanity checks */		/* sanity checks */
if (ELEM(NULL, gpd))		if (ELEM(NULL, gpd))
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

palette = BKE_gpencil_palette_getactive(gpd);
if (ELEM(NULL, palette))
return OPERATOR_CANCELLED;

/* first lock all colors */		/* first lock all colors */
for (bGPDpalettecolor *palcolor = palette->colors.first; palcolor; palcolor = palcolor->next) {		for (short i = 0; i < *totcol; i++) {
palcolor->flag \|= PC_COLOR_LOCKED;		Material tmp_ma = (matar)[i];
		tmp_ma->gp_style->flag \|= GP_STYLE_COLOR_LOCKED;

}		}

/* loop all selected strokes and unlock any color */		/* loop all selected strokes and unlock any color */
for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {		for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {
/* only editable and visible layers are considered */		/* only editable and visible layers are considered */
if (gpencil_layer_is_editable(gpl) && (gpl->actframe != NULL)) {		if (gpencil_layer_is_editable(gpl) && (gpl->actframe != NULL)) {
for (bGPDstroke *gps = gpl->actframe->strokes.last; gps; gps = gps->prev) {		for (bGPDstroke *gps = gpl->actframe->strokes.last; gps; gps = gps->prev) {
/* only if selected */		/* only if selected */
if (gps->flag & GP_STROKE_SELECT) {		if (gps->flag & GP_STROKE_SELECT) {
/* skip strokes that are invalid for current view */		/* skip strokes that are invalid for current view */
if (ED_gpencil_stroke_can_use(C, gps) == false) {		if (ED_gpencil_stroke_can_use(C, gps) == false) {
continue;		continue;
}		}
/* unlock color */		/* unlock color */
if (gps->palcolor != NULL) {		Material tmp_ma = (matar)[gps->mat_nr];
gps->palcolor->flag &= ~PC_COLOR_LOCKED;		tmp_ma->gp_style->flag &= ~GP_STYLE_COLOR_LOCKED;
}
}		}
}		}
}		}
}		}
/* notifiers */		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_stroke_lock_color(wmOperatorType *ot)		void GPENCIL_OT_stroke_lock_color(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Lock Unused Colors";		ot->name = "Lock Unused Colors";
ot->idname = "GPENCIL_OT_stroke_lock_color";		ot->idname = "GPENCIL_OT_stroke_lock_color";
ot->description = "Lock any color not used in any selected stroke";		ot->description = "Lock any color not used in any selected stroke";

/* api callbacks */		/* api callbacks */
ot->exec = gp_stroke_lock_color_exec;		ot->exec = gp_stroke_lock_color_exec;
ot->poll = gp_active_layer_poll;		ot->poll = gp_active_layer_poll;

		/* flags */
		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;
}		}

/* ************************************************ */		/* ************************************************ */
/* Drawing Brushes Operators */		/* Drawing Brushes Operators */

/* ***************** Add New Brush ********************** */		/* ***************** Brush create presets ************************ */
		static int gp_brush_presets_create_exec(bContext C, wmOperator UNUSED(op))
/* add new brush - wrapper around API */
static int gp_brush_add_exec(bContext C, wmOperator op)
{		{
ToolSettings *ts = CTX_data_tool_settings(C);		BKE_brush_gpencil_presets(C);

/* if there's no existing container */
if (ts == NULL) {
BKE_report(op->reports, RPT_ERROR, "Nowhere for brush data to go");
return OPERATOR_CANCELLED;
}
/* add new brush now */
BKE_gpencil_brush_addnew(ts, DATA_("GP_Brush"), true);

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_brush_add(wmOperatorType *ot)		void GPENCIL_OT_brush_presets_create(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Add Brush";		ot->name = "Create Preset Brushes";
ot->idname = "GPENCIL_OT_brush_add";		ot->idname = "GPENCIL_OT_brush_presets_create";
ot->description = "Add new Grease Pencil drawing brush for the active Grease Pencil data-block";		ot->description = "Create a set of predefined Grease Pencil drawing brushes";

		/* api callbacks */
		ot->exec = gp_brush_presets_create_exec;

		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

/* callbacks */
ot->exec = gp_brush_add_exec;
ot->poll = gp_add_poll;
}		}

/* ***************** Remove Active Brush *********************** */		/* *************** Select Brush ********************** */

static int gp_brush_remove_exec(bContext C, wmOperator op)		static int gp_brush_select_exec(bContext C, wmOperator op)
{		{
ToolSettings *ts = CTX_data_tool_settings(C);		ToolSettings *ts = CTX_data_tool_settings(C);
bGPDbrush *brush = BKE_gpencil_brush_getactive(ts);		Main *bmain = CTX_data_main(C);

/* sanity checks */
if (ELEM(NULL, ts, brush))
return OPERATOR_CANCELLED;

if (BLI_listbase_count_at_most(&ts->gp_brushes, 2) < 2) {		/* if there's no existing container */
BKE_report(op->reports, RPT_ERROR, "Grease Pencil needs a brush, unable to delete the last one");		if (ts == NULL) {
		BKE_report(op->reports, RPT_ERROR, "Nowhere to go");
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}		}

		const int index = RNA_int_get(op->ptr, "index");

/* make the brush before this the new active brush		Paint *paint = BKE_brush_get_gpencil_paint(ts);
* - use the one after if this is the first		int i = 0;
* - if this is the only brush, this naturally becomes NULL		for (Brush *brush = bmain->brush.first; brush; brush = brush->id.next) {
*/		if (brush->ob_mode == OB_MODE_GPENCIL_PAINT) {
if (brush->prev)		if (i == index) {
BKE_gpencil_brush_setactive(ts, brush->prev);		BKE_paint_brush_set(paint, brush);
else
BKE_gpencil_brush_setactive(ts, brush->next);

/* delete the brush now... */
BKE_gpencil_brush_delete(ts, brush);

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}
		i++;
		}
		}

		return OPERATOR_CANCELLED;
		}

void GPENCIL_OT_brush_remove(wmOperatorType *ot)		void GPENCIL_OT_brush_select(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Remove Brush";		ot->name = "Select Brush";
ot->idname = "GPENCIL_OT_brush_remove";		ot->idname = "GPENCIL_OT_brush_select";
ot->description = "Remove active Grease Pencil drawing brush";		ot->description = "Select a Grease Pencil drawing brush";

ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

/* callbacks */		/* callbacks */
ot->exec = gp_brush_remove_exec;		ot->exec = gp_brush_select_exec;
ot->poll = gp_active_brush_poll;		ot->poll = gp_active_brush_poll;
}

/* ******************** Change Brush *************************** */		/* flags */
		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;
static int gp_brush_change_invoke(bContext C, wmOperator op, const wmEvent *UNUSED(evt))
{
uiPopupMenu *pup;
uiLayout *layout;

/* call the menu, which will call this operator again, hence the canceled */
pup = UI_popup_menu_begin(C, op->type->name, ICON_NONE);
layout = UI_popup_menu_layout(pup);
uiItemsEnumO(layout, "GPENCIL_OT_brush_change", "brush");
UI_popup_menu_end(C, pup);

return OPERATOR_INTERFACE;		/* properties */
		RNA_def_int(ot->srna, "index", 0, 0, INT_MAX, "Index", "Index of Drawing Brush", 0, INT_MAX);
}		}

static int gp_brush_change_exec(bContext C, wmOperator op)		/* *************** Select Sculpt Brush ********************** */

		static int gp_sculpt_select_exec(bContext C, wmOperator op)
{		{
ToolSettings *ts = CTX_data_tool_settings(C);		ToolSettings *ts = CTX_data_tool_settings(C);
bGPDbrush *brush = NULL;
int brush_num = RNA_enum_get(op->ptr, "brush");

/* Get brush or create new one */		/* if there's no existing container */
if (brush_num == -1) {		if (ts == NULL) {
/* Create brush */		BKE_report(op->reports, RPT_ERROR, "Nowhere to go");
brush = BKE_gpencil_brush_addnew(ts, DATA_("GP_Brush"), true);		return OPERATOR_CANCELLED;
}		}
else {
/* Try to get brush */
brush = BLI_findlink(&ts->gp_brushes, brush_num);

if (brush == NULL) {		const int index = RNA_int_get(op->ptr, "index");
BKE_reportf(op->reports, RPT_ERROR, "Cannot change to non-existent brush (index = %d)", brush_num);		GP_BrushEdit_Settings *gp_sculpt = &ts->gp_sculpt;
		/* sanity checks */
		if (ELEM(NULL, gp_sculpt)) {
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}		}
}

/* Set active brush */
BKE_gpencil_brush_setactive(ts, brush);

/* updates */		if (index < TOT_GP_EDITBRUSH_TYPES - 1) {
		gp_sculpt->brushtype = index;
		}
		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_brush_change(wmOperatorType *ot)		void GPENCIL_OT_sculpt_select(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Change Brush";		ot->name = "Select Sculpt Brush";
ot->idname = "GPENCIL_OT_brush_change";		ot->idname = "GPENCIL_OT_sculpt_select";
ot->description = "Change active Grease Pencil drawing brush";		ot->description = "Select a Grease Pencil sculpt brush";

/* callbacks */		/* callbacks */
ot->invoke = gp_brush_change_invoke;		ot->exec = gp_sculpt_select_exec;
ot->exec = gp_brush_change_exec;		ot->poll = gp_add_poll;
ot->poll = gp_active_brush_poll;

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

/* gp brush to use (dynamic enum) */		/* properties */
ot->prop = RNA_def_enum(ot->srna, "brush", DummyRNA_DEFAULT_items, 0, "Grease Pencil Brush", "");		RNA_def_int(ot->srna, "index", 0, 0, INT_MAX, "Index", "Index of Sculpt Brush", 0, INT_MAX);
RNA_def_enum_funcs(ot->prop, ED_gpencil_brushes_enum_itemf);
}		}

/* ***************** Move Brush Up/Down ************************ */		/********************* Vertex Groups *********************************/

enum {		static int gpencil_vertex_group_poll(bContext *C)
GP_BRUSH_MOVE_UP = -1,
GP_BRUSH_MOVE_DOWN = 1
};

static int gp_brush_move_exec(bContext C, wmOperator op)
{		{
ToolSettings *ts = CTX_data_tool_settings(C);		Object *ob = CTX_data_active_object(C);
bGPDbrush *brush = BKE_gpencil_brush_getactive(ts);

int direction = RNA_enum_get(op->ptr, "type");		if ((ob) && (ob->type == OB_GPENCIL)) {
		if (!ID_IS_LINKED(ob) && !ID_IS_LINKED(ob->data) && ob->defbase.first) {
		if (ELEM(ob->mode,
		OB_MODE_GPENCIL_EDIT,
		OB_MODE_GPENCIL_SCULPT))
		{
		return true;
		}
		}
		}

/* sanity checks */		return false;
if (ELEM(NULL, ts, brush)) {
return OPERATOR_CANCELLED;
}		}

/* up or down? */		static int gpencil_vertex_group_weight_poll(bContext *C)
if (direction == GP_BRUSH_MOVE_UP) {		{
/* up */		Object *ob = CTX_data_active_object(C);
BLI_remlink(&ts->gp_brushes, brush);
BLI_insertlinkbefore(&ts->gp_brushes, brush->prev, brush);		if ((ob) && (ob->type == OB_GPENCIL)) {
		if (!ID_IS_LINKED(ob) && !ID_IS_LINKED(ob->data) && ob->defbase.first) {
		if (ob->mode == OB_MODE_GPENCIL_WEIGHT)
		{
		return true;
}		}
else if (direction == GP_BRUSH_MOVE_DOWN) {
/* down */
BLI_remlink(&ts->gp_brushes, brush);
BLI_insertlinkafter(&ts->gp_brushes, brush->next, brush);
}		}
else {
BLI_assert(0);
}		}

		return false;
		}

		static int gpencil_vertex_group_assign_exec(bContext C, wmOperator UNUSED(op))
		{
		ToolSettings *ts = CTX_data_tool_settings(C);
		Object *ob = CTX_data_active_object(C);

		/* sanity checks */
		if (ELEM(NULL, ts, ob, ob->data))
		return OPERATOR_CANCELLED;

		ED_gpencil_vgroup_assign(C, ob, ts->vgroup_weight);

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		bGPdata *gpd = ob->data;
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED \| ND_SPACE_PROPERTIES, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_brush_move(wmOperatorType *ot)		void GPENCIL_OT_vertex_group_assign(wmOperatorType *ot)
{		{
static const EnumPropertyItem slot_move[] = {
{GP_BRUSH_MOVE_UP, "UP", 0, "Up", ""},
{GP_BRUSH_MOVE_DOWN, "DOWN", 0, "Down", ""},
{0, NULL, 0, NULL, NULL }
};

/* identifiers */		/* identifiers */
ot->name = "Move Brush";		ot->name = "Assign to Vertex Group";
ot->idname = "GPENCIL_OT_brush_move";		ot->idname = "GPENCIL_OT_vertex_group_assign";
ot->description = "Move the active Grease Pencil drawing brush up/down in the list";		ot->description = "Assign the selected vertices to the active vertex group";

/* api callbacks */		/* api callbacks */
ot->exec = gp_brush_move_exec;		ot->poll = gpencil_vertex_group_poll;
ot->poll = gp_active_brush_poll;		ot->exec = gpencil_vertex_group_assign_exec;

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

ot->prop = RNA_def_enum(ot->srna, "type", slot_move, GP_BRUSH_MOVE_UP, "Type", "");
}		}

/* ***************** Brush create presets ************************ */		/* remove point from vertex group */
		static int gpencil_vertex_group_remove_from_exec(bContext C, wmOperator UNUSED(op))
static int gp_brush_presets_create_exec(bContext C, wmOperator UNUSED(op))
{		{
ToolSettings *ts = CTX_data_tool_settings(C);		Object *ob = CTX_data_active_object(C);
BKE_gpencil_brush_init_presets(ts);
		/* sanity checks */
		if (ELEM(NULL, ob, ob->data))
		return OPERATOR_CANCELLED;

		ED_gpencil_vgroup_remove(C, ob);

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		bGPdata *gpd = ob->data;
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED \| ND_SPACE_PROPERTIES, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_brush_presets_create(wmOperatorType *ot)		void GPENCIL_OT_vertex_group_remove_from(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Create Preset Brushes";		ot->name = "Remove from Vertex Group";
ot->idname = "GPENCIL_OT_brush_presets_create";		ot->idname = "GPENCIL_OT_vertex_group_remove_from";
ot->description = "Create a set of predefined Grease Pencil drawing brushes";		ot->description = "Remove the selected vertices from active or all vertex group(s)";

/* api callbacks */		/* api callbacks */
ot->exec = gp_brush_presets_create_exec;		ot->poll = gpencil_vertex_group_poll;
		ot->exec = gpencil_vertex_group_remove_from_exec;

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

}		}

/* *************** Copy Brush ********************** */		static int gpencil_vertex_group_select_exec(bContext C, wmOperator UNUSED(op))

static int gp_brush_copy_exec(bContext C, wmOperator op)
{		{
ToolSettings *ts = CTX_data_tool_settings(C);		Object *ob = CTX_data_active_object(C);

/* if there's no existing container */
if (ts == NULL) {
BKE_report(op->reports, RPT_ERROR, "Nowhere for brush data to go");
return OPERATOR_CANCELLED;
}

bGPDbrush *brush = BKE_gpencil_brush_getactive(ts);
bGPDbrush *newbrush;

/* sanity checks */		/* sanity checks */
if (ELEM(NULL, brush))		if (ELEM(NULL, ob, ob->data))
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

/* create a brush and duplicate data */		ED_gpencil_vgroup_select(C, ob);
newbrush = BKE_gpencil_brush_addnew(ts, brush->info, true);
newbrush->thickness = brush->thickness;
newbrush->draw_smoothfac = brush->draw_smoothfac;
newbrush->draw_smoothlvl = brush->draw_smoothlvl;
newbrush->sublevel = brush->sublevel;
newbrush->flag = brush->flag;
newbrush->draw_sensitivity = brush->draw_sensitivity;
newbrush->draw_strength = brush->draw_strength;
newbrush->draw_jitter = brush->draw_jitter;
newbrush->draw_angle = brush->draw_angle;
newbrush->draw_angle_factor = brush->draw_angle_factor;
newbrush->draw_random_press = brush->draw_random_press;
newbrush->draw_random_sub = brush->draw_random_sub;

/* free automatic curves created by default (replaced by copy) */
curvemapping_free(newbrush->cur_sensitivity);
curvemapping_free(newbrush->cur_strength);
curvemapping_free(newbrush->cur_jitter);

/* make a copy of curves */
newbrush->cur_sensitivity = curvemapping_copy(brush->cur_sensitivity);
newbrush->cur_strength = curvemapping_copy(brush->cur_strength);
newbrush->cur_jitter = curvemapping_copy(brush->cur_jitter);

BKE_gpencil_brush_setactive(ts, newbrush);
/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		bGPdata *gpd = ob->data;
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED \| ND_SPACE_PROPERTIES, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_brush_copy(wmOperatorType *ot)		void GPENCIL_OT_vertex_group_select(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Copy Brush";		ot->name = "Select Vertex Group";
ot->idname = "GPENCIL_OT_brush_copy";		ot->idname = "GPENCIL_OT_vertex_group_select";
ot->description = "Copy current Grease Pencil drawing brush";		ot->description = "Select all the vertices assigned to the active vertex group";

/* callbacks */		/* api callbacks */
ot->exec = gp_brush_copy_exec;		ot->poll = gpencil_vertex_group_poll;
ot->poll = gp_active_brush_poll;		ot->exec = gpencil_vertex_group_select_exec;

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;
}		}

/* *************** Select Brush ********************** */		static int gpencil_vertex_group_deselect_exec(bContext C, wmOperator UNUSED(op))

static int gp_brush_select_exec(bContext C, wmOperator op)
{		{
ToolSettings *ts = CTX_data_tool_settings(C);		Object *ob = CTX_data_active_object(C);

/* if there's no existing container */
if (ts == NULL) {
BKE_report(op->reports, RPT_ERROR, "Nowhere to go");
return OPERATOR_CANCELLED;
}

const int index = RNA_int_get(op->ptr, "index");
bGPDbrush *brush = BLI_findlink(&ts->gp_brushes, index);
/* sanity checks */		/* sanity checks */
if (ELEM(NULL, brush)) {		if (ELEM(NULL, ob, ob->data))
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}

BKE_gpencil_brush_setactive(ts, brush);		ED_gpencil_vgroup_deselect(C, ob);

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		bGPdata *gpd = ob->data;
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED \| ND_SPACE_PROPERTIES, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_brush_select(wmOperatorType *ot)		void GPENCIL_OT_vertex_group_deselect(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Select Brush";		ot->name = "Deselect Vertex Group";
ot->idname = "GPENCIL_OT_brush_select";		ot->idname = "GPENCIL_OT_vertex_group_deselect";
ot->description = "Select a Grease Pencil drawing brush";		ot->description = "Deselect all selected vertices assigned to the active vertex group";

/* callbacks */		/* api callbacks */
ot->exec = gp_brush_select_exec;		ot->poll = gpencil_vertex_group_poll;
ot->poll = gp_active_brush_poll;		ot->exec = gpencil_vertex_group_deselect_exec;

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

/* properties */
RNA_def_int(ot->srna, "index", 0, 0, INT_MAX, "Index", "Index of Drawing Brush", 0, INT_MAX);
}		}

/* ************************************************ */		/* invert */
/* Palette Operators */		static int gpencil_vertex_group_invert_exec(bContext C, wmOperator UNUSED(op))

/* ***************** Add New Palette ********************** */

/* add new palette - wrapper around API */
static int gp_palette_add_exec(bContext C, wmOperator op)
{		{
bGPdata **gpd_ptr = ED_gpencil_data_get_pointers(C, NULL);		ToolSettings *ts = CTX_data_tool_settings(C);
		Object *ob = CTX_data_active_object(C);

/* if there's no existing Grease-Pencil data there, add some */		/* sanity checks */
if (gpd_ptr == NULL) {		if (ELEM(NULL, ts, ob, ob->data))
BKE_report(op->reports, RPT_ERROR, "Nowhere for grease pencil data to go");
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}
if (*gpd_ptr == NULL)
*gpd_ptr = BKE_gpencil_data_addnew(DATA_("GPencil"));

/* add new palette now */		MDeformVert *dvert;
BKE_gpencil_palette_addnew(*gpd_ptr, DATA_("GP_Palette"), true);		const int def_nr = ob->actdef - 1;
		if (!BLI_findlink(&ob->defbase, def_nr))
		return OPERATOR_CANCELLED;

		CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
		{
		for (int i = 0; i < gps->totpoints; i++) {
		dvert = &gps->dvert[i];
		if (dvert->dw == NULL) {
		BKE_gpencil_vgroup_add_point_weight(dvert, def_nr, 1.0f);
		}
		else if (dvert->dw->weight == 1.0f) {
		BKE_gpencil_vgroup_remove_point_weight(dvert, def_nr);
		}
		else {
		dvert->dw->weight = 1.0f - dvert->dw->weight;
		}
		}
		}
		CTX_DATA_END;

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		bGPdata *gpd = ob->data;
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED \| ND_SPACE_PROPERTIES, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_palette_add(wmOperatorType *ot)		void GPENCIL_OT_vertex_group_invert(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Add Palette";		ot->name = "Invert Vertex Group";
ot->idname = "GPENCIL_OT_palette_add";		ot->idname = "GPENCIL_OT_vertex_group_invert";
ot->description = "Add new Grease Pencil palette for the active Grease Pencil data-block";		ot->description = "Invert weights to the active vertex group";

ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		/* api callbacks */
		ot->poll = gpencil_vertex_group_weight_poll;
		ot->exec = gpencil_vertex_group_invert_exec;

/* callbacks */		/* flags */
ot->exec = gp_palette_add_exec;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;
ot->poll = gp_add_poll;
}		}

/* ***************** Remove Active Palette *********************** */		/* smooth */
		static int gpencil_vertex_group_smooth_exec(bContext C, wmOperator op)
static int gp_palette_remove_exec(bContext C, wmOperator op)
{		{
bGPdata *gpd = ED_gpencil_data_get_active(C);		const float fac = RNA_float_get(op->ptr, "factor");
bGPDpalette *palette = BKE_gpencil_palette_getactive(gpd);		const int repeat = RNA_int_get(op->ptr, "repeat");

		ToolSettings *ts = CTX_data_tool_settings(C);
		Object *ob = CTX_data_active_object(C);

/* sanity checks */		/* sanity checks */
if (ELEM(NULL, gpd, palette))		if (ELEM(NULL, ts, ob, ob->data))
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

if (BLI_listbase_count_at_most(&gpd->palettes, 2) < 2) {		bGPDspoint pta, ptb, *ptc;
BKE_report(op->reports, RPT_ERROR, "Grease Pencil needs a palette, unable to delete the last one");		MDeformVert dverta, dvertb;

		const int def_nr = ob->actdef - 1;
		if (!BLI_findlink(&ob->defbase, def_nr))
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

		CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
		{
		for (int s = 0; s < repeat; s++) {
		for (int i = 0; i < gps->totpoints; i++) {
		/* previous point */
		if (i > 0) {
		pta = &gps->points[i - 1];
		dverta = &gps->dvert[i - 1];
		}
		else {
		pta = &gps->points[i];
		dverta = &gps->dvert[i];
		}
		/* current */
		ptb = &gps->points[i];
		dvertb = &gps->dvert[i];
		/* next point */
		if (i + 1 < gps->totpoints) {
		ptc = &gps->points[i + 1];
		}
		else {
		ptc = &gps->points[i];
}		}

		float wa = BKE_gpencil_vgroup_use_index(dverta, def_nr);
		float wb = BKE_gpencil_vgroup_use_index(dvertb, def_nr);
		CLAMP_MIN(wa, 0.0f);
		CLAMP_MIN(wb, 0.0f);

/* make the palette before this the new active palette		/* the optimal value is the corresponding to the interpolation of the weight
* - use the one after if this is the first		* at the distance of point b
* - if this is the only palette, this naturally becomes NULL
*/		*/
if (palette->prev)		const float opfac = line_point_factor_v3(&ptb->x, &pta->x, &ptc->x);
BKE_gpencil_palette_setactive(gpd, palette->prev);		const float optimal = interpf(wa, wb, opfac);
else		/* Based on influence factor, blend between original and optimal */
BKE_gpencil_palette_setactive(gpd, palette->next);		wb = interpf(wb, optimal, fac);
		BKE_gpencil_vgroup_add_point_weight(dvertb, def_nr, wb);
/* delete the palette now... */		}
BKE_gpencil_palette_delete(gpd, palette);		}
		}
		CTX_DATA_END;

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		bGPdata *gpd = ob->data;
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED \| ND_SPACE_PROPERTIES, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_palette_remove(wmOperatorType *ot)		void GPENCIL_OT_vertex_group_smooth(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Remove palette";		ot->name = "Smooth Vertex Group";
ot->idname = "GPENCIL_OT_palette_remove";		ot->idname = "GPENCIL_OT_vertex_group_smooth";
ot->description = "Remove active Grease Pencil palette";		ot->description = "Smooth weights to the active vertex group";

		/* api callbacks */
		ot->poll = gpencil_vertex_group_weight_poll;
		ot->exec = gpencil_vertex_group_smooth_exec;

		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

/* callbacks */		RNA_def_float(ot->srna, "factor", 0.5f, 0.0f, 1.0, "Factor", "", 0.0f, 1.0f);
ot->exec = gp_palette_remove_exec;		RNA_def_int(ot->srna, "repeat", 1, 1, 10000, "Iterations", "", 1, 200);
ot->poll = gp_active_palette_poll;
}		}

/* ******************** Change Palette *************************** */		/**************************** Join *********************************/

		/* userdata for joined_gpencil_fix_animdata_cb() */
		typedef struct tJoinGPencil_AdtFixData {
		bGPdata *src_gpd;
		bGPdata *tar_gpd;

static int gp_palette_change_invoke(bContext C, wmOperator op, const wmEvent *UNUSED(evt))		GHash *names_map;
		} tJoinGPencil_AdtFixData;

		/* Callback to pass to BKE_fcurves_main_cb() for RNA Paths attached to each F-Curve used in the AnimData */
		static void joined_gpencil_fix_animdata_cb(ID id, FCurve fcu, void *user_data)
{		{
uiPopupMenu *pup;		tJoinGPencil_AdtFixData afd = (tJoinGPencil_AdtFixData )user_data;
uiLayout *layout;		ID *src_id = &afd->src_gpd->id;
		ID *dst_id = &afd->tar_gpd->id;

/* call the menu, which will call this operator again, hence the canceled */		GHashIterator gh_iter;
pup = UI_popup_menu_begin(C, op->type->name, ICON_NONE);
layout = UI_popup_menu_layout(pup);
uiItemsEnumO(layout, "GPENCIL_OT_palette_change", "palette");
UI_popup_menu_end(C, pup);

return OPERATOR_INTERFACE;		/* Fix paths - If this is the target datablock, it will have some "dirty" paths */
		if ((id == src_id) && fcu->rna_path && strstr(fcu->rna_path, "layers[")) {
		GHASH_ITER(gh_iter, afd->names_map) {
		const char *old_name = BLI_ghashIterator_getKey(&gh_iter);
		const char *new_name = BLI_ghashIterator_getValue(&gh_iter);

		/* only remap if changed; this still means there will be some waste if there aren't many drivers/keys */
		if (!STREQ(old_name, new_name) && strstr(fcu->rna_path, old_name)) {
		fcu->rna_path = BKE_animsys_fix_rna_path_rename(id, fcu->rna_path, "layers",
		old_name, new_name, 0, 0, false);

		/* we don't want to apply a second remapping on this F-Curve now,
		* so stop trying to fix names names
		*/
		break;
		}
		}
		}

		/* Fix driver targets */
		if (fcu->driver) {
		/* Fix driver references to invalid ID's */
		for (DriverVar *dvar = fcu->driver->variables.first; dvar; dvar = dvar->next) {
		/* only change the used targets, since the others will need fixing manually anyway */
		DRIVER_TARGETS_USED_LOOPER(dvar)
		{
		/* change the ID's used... */
		if (dtar->id == src_id) {
		dtar->id = dst_id;

		/* also check on the subtarget...
		* XXX: We duplicate the logic from drivers_path_rename_fix() here, with our own
		* little twists so that we know that it isn't going to clobber the wrong data
		*/
		if (dtar->rna_path && strstr(dtar->rna_path, "layers[")) {
		GHASH_ITER(gh_iter, afd->names_map) {
		const char *old_name = BLI_ghashIterator_getKey(&gh_iter);
		const char *new_name = BLI_ghashIterator_getValue(&gh_iter);

		/* only remap if changed */
		if (!STREQ(old_name, new_name)) {
		if ((dtar->rna_path) && strstr(dtar->rna_path, old_name)) {
		/* Fix up path */
		dtar->rna_path = BKE_animsys_fix_rna_path_rename(id, dtar->rna_path, "layers",
		old_name, new_name, 0, 0, false);
		break; /* no need to try any more names for layer path */
		}
		}
		}
		}
		}
		}
		DRIVER_TARGETS_LOOPER_END
		}
		}
}		}

static int gp_palette_change_exec(bContext C, wmOperator op)		/* join objects called from OBJECT_OT_join */
		int ED_gpencil_join_objects_exec(bContext C, wmOperator op)
{		{
bGPdata *gpd = CTX_data_gpencil_data(C);		Main *bmain = CTX_data_main(C);
bGPDpalette *palette = NULL;		Scene *scene = CTX_data_scene(C);
int palette_num = RNA_enum_get(op->ptr, "palette");		Depsgraph *depsgraph = CTX_data_depsgraph(C);
		Object *obact = CTX_data_active_object(C);
		bGPdata *gpd_dst = NULL;
		bool ok = false;

/* Get palette or create new one */		/* Ensure we're in right mode and that the active object is correct */
if (palette_num == -1) {		if (!obact \|\| obact->type != OB_GPENCIL)
/* Create palette */		return OPERATOR_CANCELLED;
palette = BKE_gpencil_palette_addnew(gpd, DATA_("GP_Palette"), true);
		bGPdata gpd = (bGPdata )obact->data;
		if ((!gpd) \|\| GPENCIL_ANY_MODE(gpd)) {
		return OPERATOR_CANCELLED;
}		}
else {
/* Try to get palette */
palette = BLI_findlink(&gpd->palettes, palette_num);

if (palette == NULL) {		/* Ensure all rotations are applied before */
BKE_reportf(op->reports, RPT_ERROR, "Cannot change to non-existent palette (index = %d)", palette_num);		// XXX: Why don't we apply them here instead of warning?
		CTX_DATA_BEGIN(C, Base *, base, selected_editable_bases)
		{
		if (base->object->type == OB_GPENCIL) {
		if ((base->object->rot[0] != 0) \|\|
		(base->object->rot[1] != 0) \|\|
		(base->object->rot[2] != 0))
		{
		BKE_report(op->reports, RPT_ERROR, "Apply all rotations before join objects");
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}		}
}		}
		}
		CTX_DATA_END;

/* Set active palette */		CTX_DATA_BEGIN(C, Base *, base, selected_editable_bases)
BKE_gpencil_palette_setactive(gpd, palette);		{
		if (base->object == obact) {
/* updates */		ok = true;
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		break;
		}
		}
		CTX_DATA_END;

return OPERATOR_FINISHED;		/* that way the active object is always selected */
		if (ok == false) {
		BKE_report(op->reports, RPT_WARNING, "Active object is not a selected grease pencil");
		return OPERATOR_CANCELLED;
}		}

void GPENCIL_OT_palette_change(wmOperatorType *ot)		gpd_dst = obact->data;
{		Object *ob_dst = obact;
/* identifiers */
ot->name = "Change Palette";		/* loop and join all data */
ot->idname = "GPENCIL_OT_palette_change";		CTX_DATA_BEGIN(C, Base *, base, selected_editable_bases)
ot->description = "Change active Grease Pencil palette";		{
		if ((base->object->type == OB_GPENCIL) && (base->object != obact)) {
		/* we assume that each datablock is not already used in active object */
		if (obact->data != base->object->data) {
		Object *ob_src = base->object;
		bGPdata *gpd_src = base->object->data;

		/* Apply all GP modifiers before */
		for (ModifierData *md = base->object->modifiers.first; md; md = md->next) {
		const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
		if (mti->gp_bakeModifier) {
		mti->gp_bakeModifier(bmain, depsgraph, md, base->object);
		}
		}

/* callbacks */		/* copy vertex groups to the base one's */
ot->invoke = gp_palette_change_invoke;		int old_idx = 0;
ot->exec = gp_palette_change_exec;		for (bDeformGroup *dg = base->object->defbase.first; dg; dg = dg->next) {
ot->poll = gp_active_palette_poll;		bDeformGroup *vgroup = MEM_dupallocN(dg);
		int idx = BLI_listbase_count(&obact->defbase);
		defgroup_unique_name(vgroup, obact);
		BLI_addtail(&obact->defbase, vgroup);
		/* update vertex groups in strokes in original data */
		for (bGPDlayer *gpl_src = gpd->layers.first; gpl_src; gpl_src = gpl_src->next) {
		for (bGPDframe *gpf = gpl_src->frames.first; gpf; gpf = gpf->next) {
		for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) {
		MDeformVert *dvert;
		int i;
		for (i = 0, dvert = gps->dvert; i < gps->totpoints; i++, dvert++) {
		if ((dvert->dw) && (dvert->dw->def_nr == old_idx)) {
		dvert->dw->def_nr = idx;
		}
		}
		}
		}
		}
		old_idx++;
		}
		if (obact->defbase.first && obact->actdef == 0)
		obact->actdef = 1;

/* flags */		/* add missing materials reading source materials and checking in destination object */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		Material ***matar = give_matarar(ob_src);
		short *totcol = give_totcolp(ob_src);

/* gp palette to use (dynamic enum) */		for (short i = 0; i < *totcol; i++) {
ot->prop = RNA_def_enum(ot->srna, "palette", DummyRNA_DEFAULT_items, 0, "Grease Pencil Palette", "");		Material tmp_ma = (matar)[i];
RNA_def_enum_funcs(ot->prop, ED_gpencil_palettes_enum_itemf);		if (BKE_object_material_slot_find_index(ob_dst, tmp_ma) == 0) {
		BKE_object_material_slot_add(bmain, ob_dst);
		assign_material(bmain, ob_dst, tmp_ma, ob_dst->totcol, BKE_MAT_ASSIGN_EXISTING);
		}
}		}

/* ***************** Lock and hide any color non used in current layer ************************ */		/* duplicate bGPDlayers */
		tJoinGPencil_AdtFixData afd = {0};
		afd.src_gpd = gpd_src;
		afd.tar_gpd = gpd_dst;
		afd.names_map = BLI_ghash_str_new("joined_gp_layers_map");

static int gp_palette_lock_layer_exec(bContext C, wmOperator UNUSED(op))		float imat[3][3], bmat[3][3];
{		float offset_global[3];
bGPdata *gpd = ED_gpencil_data_get_active(C);		float offset_local[3];
bGPDpalette *palette;

/* sanity checks */		sub_v3_v3v3(offset_global, obact->loc, base->object->obmat[3]);
if (ELEM(NULL, gpd))		copy_m3_m4(bmat, obact->obmat);
return OPERATOR_CANCELLED;		invert_m3_m3(imat, bmat);
		mul_m3_v3(imat, offset_global);
		mul_v3_m3v3(offset_local, imat, offset_global);

palette = BKE_gpencil_palette_getactive(gpd);
if (ELEM(NULL, palette))
return OPERATOR_CANCELLED;

/* first lock and hide all colors */		for (bGPDlayer *gpl_src = gpd_src->layers.first; gpl_src; gpl_src = gpl_src->next) {
for (bGPDpalettecolor *palcolor = palette->colors.first; palcolor; palcolor = palcolor->next) {		bGPDlayer *gpl_new = BKE_gpencil_layer_duplicate(gpl_src);
palcolor->flag \|= PC_COLOR_LOCKED;		float diff_mat[4][4];
palcolor->flag \|= PC_COLOR_HIDE;		float inverse_diff_mat[4][4];
}

/* loop all selected strokes and unlock any color used in active layer */		/* recalculate all stroke points */
for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {		ED_gpencil_parent_location(depsgraph, base->object, gpd_src, gpl_src, diff_mat);
/* only editable and visible layers are considered */		invert_m4_m4(inverse_diff_mat, diff_mat);
if (gpencil_layer_is_editable(gpl) && (gpl->actframe != NULL) && (gpl->flag & GP_LAYER_ACTIVE)) {
for (bGPDstroke *gps = gpl->actframe->strokes.last; gps; gps = gps->prev) {
/* skip strokes that are invalid for current view */
if (ED_gpencil_stroke_can_use(C, gps) == false)
continue;

/* unlock/unhide color if not unlocked before */		Material *ma_src = NULL;
if (gps->palcolor != NULL) {		int idx;
gps->palcolor->flag &= ~PC_COLOR_LOCKED;		for (bGPDframe *gpf = gpl_new->frames.first; gpf; gpf = gpf->next) {
gps->palcolor->flag &= ~PC_COLOR_HIDE;		for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) {

		/* reasign material. Look old material and try to find in dst */
		ma_src = give_current_material(ob_src, gps->mat_nr + 1);
		if (ma_src != NULL) {
		idx = BKE_object_material_slot_find_index(ob_dst, ma_src);
		if (idx > 0) {
		gps->mat_nr = idx - 1;
}		}
		else {
		gps->mat_nr = 0;
}		}
}		}
		else {
		gps->mat_nr = 0;
}		}
/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		bGPDspoint *pt;
		int i;
		for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
		float mpt[3];
		mul_v3_m4v3(mpt, inverse_diff_mat, &pt->x);
		sub_v3_v3(mpt, offset_local);
		mul_v3_m4v3(&pt->x, diff_mat, mpt);
		}
		}
}		}

void GPENCIL_OT_palette_lock_layer(wmOperatorType *ot)		/* be sure name is unique in new object */
{		BLI_uniquename(&gpd_dst->layers, gpl_new, DATA_("GP_Layer"), '.', offsetof(bGPDlayer, info), sizeof(gpl_new->info));
/* identifiers */		BLI_ghash_insert(afd.names_map, BLI_strdup(gpl_src->info), gpl_new->info);
ot->name = "Disable Unused Layer Colors";
ot->idname = "GPENCIL_OT_palette_lock_layer";
ot->description = "Lock and hide any color not used in any layer";

/* api callbacks */		/* add to destination datablock */
ot->exec = gp_palette_lock_layer_exec;		BLI_addtail(&gpd_dst->layers, gpl_new);
ot->poll = gp_active_layer_poll;
}		}

/* ************************************************ */		/* Fix all the animation data */
/* Palette Colors Operators */		BKE_fcurves_main_cb(bmain, joined_gpencil_fix_animdata_cb, &afd);
		BLI_ghash_free(afd.names_map, MEM_freeN, NULL);
/* ***************** Add New Palette ********************** */

/* add new palette - wrapper around API */		/* Only copy over animdata now, after all the remapping has been done,
static int gp_palettecolor_add_exec(bContext C, wmOperator op)		* so that we don't have to worry about ambiguities re which datablock
{		* a layer came from!
bGPdata **gpd_ptr = ED_gpencil_data_get_pointers(C, NULL);		*/
		if (base->object->adt) {
		if (obact->adt == NULL) {
		/* no animdata, so just use a copy of the whole thing */
		obact->adt = BKE_animdata_copy(bmain, base->object->adt, false, true);
		}
		else {
		/* merge in data - we'll fix the drivers manually */
		BKE_animdata_merge_copy(&obact->id, &base->object->id, ADT_MERGECOPY_KEEP_DST, false);
		}
		}

/* if there's no existing Grease-Pencil data there, add some */		if (gpd_src->adt) {
if (gpd_ptr == NULL) {		if (gpd_dst->adt == NULL) {
BKE_report(op->reports, RPT_ERROR, "Nowhere for grease pencil data to go");		/* no animdata, so just use a copy of the whole thing */
return OPERATOR_CANCELLED;		gpd_dst->adt = BKE_animdata_copy(bmain, gpd_src->adt, false, true);
		}
		else {
		/* merge in data - we'll fix the drivers manually */
		BKE_animdata_merge_copy(&gpd_dst->id, &gpd_src->id, ADT_MERGECOPY_KEEP_DST, false);
		}
		}
}		}
if (*gpd_ptr == NULL)
*gpd_ptr = BKE_gpencil_data_addnew(DATA_("GPencil"));

/* verify palette */		/* Free the old object */
bGPDpalette palette = BKE_gpencil_palette_getactive(gpd_ptr);		ED_object_base_free_and_unlink(bmain, scene, base->object);
if (palette == NULL)		}
palette = BKE_gpencil_palette_addnew(*gpd_ptr, DATA_("GP_Palette"), true);		}
		CTX_DATA_END;

/* add new palette color now */		DEG_relations_tag_update(bmain); /* because we removed object(s) */
BKE_gpencil_palettecolor_addnew(palette, DATA_("Color"), true);

/* notifiers */		WM_event_add_notifier(C, NC_SCENE \| ND_OB_ACTIVE, scene);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_palettecolor_add(wmOperatorType *ot)		/* Color Handle operator */
		static int gpencil_active_color_poll(bContext *C)
{		{
/* identifiers */		Object *ob = CTX_data_active_object(C);
ot->name = "Add Palette Color";		if (ob && ob->data && (ob->type == OB_GPENCIL)) {
ot->idname = "GPENCIL_OT_palettecolor_add";		short *totcolp = give_totcolp(ob);
ot->description = "Add new Grease Pencil palette color for the active Grease Pencil data-block";		return *totcolp > 0;
		}
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		return false;

/* callbacks */
ot->exec = gp_palettecolor_add_exec;
ot->poll = gp_add_poll;
}		}

/* ***************** Remove Active Palette color *********************** */

static int gp_palettecolor_remove_exec(bContext C, wmOperator UNUSED(op))		/* ***************** Lock and hide any color non used in current layer ************************ */
		static int gpencil_lock_layer_exec(bContext C, wmOperator UNUSED(op))
{		{
bGPdata *gpd = ED_gpencil_data_get_active(C);		bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDpalette *palette = BKE_gpencil_palette_getactive(gpd);		Object *ob = CTX_data_active_object(C);
bGPDpalettecolor *color = BKE_gpencil_palettecolor_getactive(palette);		MaterialGPencilStyle *gp_style = NULL;

/* sanity checks */		/* sanity checks */
if (ELEM(NULL, gpd, palette, color))		if (ELEM(NULL, gpd))
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

/* make the palette color before this the new active color		/* first lock and hide all colors */
* - use the one after if this is the first		Material *ma = NULL;
* - if this is the only color, this naturally becomes NULL		Material ***matar = give_matarar(ob);
*/		short *totcol = give_totcolp(ob);
if (color->prev)		if ((totcol == 0) \|\| (matar == NULL))
BKE_gpencil_palettecolor_setactive(palette, color->prev);		return OPERATOR_CANCELLED;
else
BKE_gpencil_palettecolor_setactive(palette, color->next);

/* delete the strokes */		for (short i = 0; i < *totcol; i++) {
BKE_gpencil_palettecolor_delete_strokes(gpd, color->info);		ma = (*matar)[i];
		gp_style = ma->gp_style;
		gp_style->flag \|= GP_STYLE_COLOR_LOCKED;
		gp_style->flag \|= GP_STYLE_COLOR_HIDE;
		}

/* delete the palette color now... */		/* loop all selected strokes and unlock any color used in active layer */
BKE_gpencil_palettecolor_delete(palette, color);		for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {
		/* only editable and visible layers are considered */
		if (gpencil_layer_is_editable(gpl) && (gpl->actframe != NULL) && (gpl->flag & GP_LAYER_ACTIVE)) {
		for (bGPDstroke *gps = gpl->actframe->strokes.last; gps; gps = gps->prev) {
		/* skip strokes that are invalid for current view */
		if (ED_gpencil_stroke_can_use(C, gps) == false)
		continue;

		gp_style = BKE_material_gpencil_settings_get(ob, gps->mat_nr + 1);
		/* unlock/unhide color if not unlocked before */
		if (gp_style != NULL) {
		gp_style->flag &= ~GP_STYLE_COLOR_LOCKED;
		gp_style->flag &= ~GP_STYLE_COLOR_HIDE;
		}
		}
		}
		}
/* notifiers */		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_OB \| OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_palettecolor_remove(wmOperatorType *ot)		void GPENCIL_OT_lock_layer(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Remove palette color";		ot->name = "Disable Unused Layer Colors";
ot->idname = "GPENCIL_OT_palettecolor_remove";		ot->idname = "GPENCIL_OT_lock_layer";
ot->description = "Remove active Grease Pencil palette color";		ot->description = "Lock and hide any color not used in any layer";

ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

/* callbacks */		/* api callbacks */
ot->exec = gp_palettecolor_remove_exec;		ot->exec = gpencil_lock_layer_exec;
ot->poll = gp_active_palettecolor_poll;		ot->poll = gp_active_layer_poll;
}		}

/* ******************** Isolate palette color ************************** */		/* ******************** Isolate gpencil_ color ************************** */

static int gp_isolate_palettecolor_exec(bContext C, wmOperator op)		static int gpencil_color_isolate_exec(bContext C, wmOperator op)
{		{
bGPdata *gpd = ED_gpencil_data_get_active(C);		bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDpalette *palette = BKE_gpencil_palette_getactive(gpd);		Object *ob = CTX_data_active_object(C);
bGPDpalettecolor *active_color = BKE_gpencil_palettecolor_getactive(palette);		Material *active_ma = give_current_material(ob, ob->actcol);
bGPDpalettecolor *palcolor;		MaterialGPencilStyle *active_color = BKE_material_gpencil_settings_get(ob, ob->actcol);
		MaterialGPencilStyle *gp_style;

int flags = PC_COLOR_LOCKED;		int flags = GP_STYLE_COLOR_LOCKED;
bool isolate = false;		bool isolate = false;

if (RNA_boolean_get(op->ptr, "affect_visibility"))		if (RNA_boolean_get(op->ptr, "affect_visibility"))
flags \|= PC_COLOR_HIDE;		flags \|= GP_STYLE_COLOR_HIDE;

if (ELEM(NULL, gpd, active_color)) {		if (ELEM(NULL, gpd, active_color)) {
BKE_report(op->reports, RPT_ERROR, "No active color to isolate");		BKE_report(op->reports, RPT_ERROR, "No active color to isolate");
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}		}

/* Test whether to isolate or clear all flags */		/* Test whether to isolate or clear all flags */
for (palcolor = palette->colors.first; palcolor; palcolor = palcolor->next) {		Material *ma = NULL;
		Material ***matar = give_matarar(ob);
		short *totcol = give_totcolp(ob);
		for (short i = 0; i < *totcol; i++) {
		ma = (*matar)[i];
/* Skip if this is the active one */		/* Skip if this is the active one */
if (palcolor == active_color)		if (ma == active_ma)
continue;		continue;

/* If the flags aren't set, that means that the color is		/* If the flags aren't set, that means that the color is
* not alone, so we have some colors to isolate still		* not alone, so we have some colors to isolate still
*/		*/
if ((palcolor->flag & flags) == 0) {		gp_style = ma->gp_style;
		if ((gp_style->flag & flags) == 0) {
isolate = true;		isolate = true;
break;		break;
}		}
}		}

/* Set/Clear flags as appropriate */		/* Set/Clear flags as appropriate */
if (isolate) {		if (isolate) {
/* Set flags on all "other" colors */		/* Set flags on all "other" colors */
for (palcolor = palette->colors.first; palcolor; palcolor = palcolor->next) {		for (short i = 0; i < *totcol; i++) {
if (palcolor == active_color)		ma = (*matar)[i];
		gp_style = ma->gp_style;
		if (gp_style == active_color)
continue;		continue;
else		else
palcolor->flag \|= flags;		gp_style->flag \|= flags;
}		}
}		}
else {		else {
/* Clear flags - Restore everything else */		/* Clear flags - Restore everything else */
for (palcolor = palette->colors.first; palcolor; palcolor = palcolor->next) {		for (short i = 0; i < *totcol; i++) {
palcolor->flag &= ~flags;		ma = (*matar)[i];
		gp_style = ma->gp_style;
		gp_style->flag &= ~flags;
}		}
}		}

/* notifiers */		/* notifiers */
		DEG_id_tag_update(&gpd->id, OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_palettecolor_isolate(wmOperatorType *ot)		void GPENCIL_OT_color_isolate(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Isolate Palette Color";		ot->name = "Isolate Color";
ot->idname = "GPENCIL_OT_palettecolor_isolate";		ot->idname = "GPENCIL_OT_color_isolate";
ot->description = "Toggle whether the active color is the only one that is editable and/or visible";		ot->description = "Toggle whether the active color is the only one that is editable and/or visible";

/* callbacks */		/* callbacks */
ot->exec = gp_isolate_palettecolor_exec;		ot->exec = gpencil_color_isolate_exec;
ot->poll = gp_active_palettecolor_poll;		ot->poll = gpencil_active_color_poll;

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

/* properties */		/* properties */
RNA_def_boolean(ot->srna, "affect_visibility", false, "Affect Visibility", "In addition to toggling "		RNA_def_boolean(ot->srna, "affect_visibility", false, "Affect Visibility", "In addition to toggling "
"the editability, also affect the visibility");		"the editability, also affect the visibility");
}		}

/* ********************* Hide Palette colors ****************************** */		/* ********************* Hide colors ****************************** */

static int gp_palettecolor_hide_exec(bContext C, wmOperator op)		static int gpencil_color_hide_exec(bContext C, wmOperator op)
{		{
bGPdata *gpd = ED_gpencil_data_get_active(C);		Object *ob = CTX_data_active_object(C);
bGPDpalette *palette = BKE_gpencil_palette_getactive(gpd);		MaterialGPencilStyle *active_color = BKE_material_gpencil_settings_get(ob, ob->actcol);
bGPDpalettecolor *palcolor = BKE_gpencil_palettecolor_getactive(palette);

bool unselected = RNA_boolean_get(op->ptr, "unselected");		bool unselected = RNA_boolean_get(op->ptr, "unselected");

/* sanity checks */		Material *ma = NULL;
if (ELEM(NULL, gpd, palette, palcolor))		Material ***matar = give_matarar(ob);
		short *totcol = give_totcolp(ob);
		if ((totcol == 0) \|\| (matar == NULL))
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

if (unselected) {		if (unselected) {
bGPDpalettecolor *color;

/* hide unselected */		/* hide unselected */
for (color = palette->colors.first; color; color = color->next) {		MaterialGPencilStyle *color = NULL;
if (color != palcolor) {		for (short i = 0; i < *totcol; i++) {
color->flag \|= PC_COLOR_HIDE;		ma = (*matar)[i];
		color = ma->gp_style;
		if (active_color != color) {
		color->flag \|= GP_STYLE_COLOR_HIDE;
}		}
}		}
}		}
else {		else {
/* hide selected/active */		/* hide selected/active */
palcolor->flag \|= PC_COLOR_HIDE;		active_color->flag \|= GP_STYLE_COLOR_HIDE;
}		}

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_palettecolor_hide(wmOperatorType *ot)		void GPENCIL_OT_color_hide(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Hide Color(s)";		ot->name = "Hide Color(s)";
ot->idname = "GPENCIL_OT_palettecolor_hide";		ot->idname = "GPENCIL_OT_color_hide";
ot->description = "Hide selected/unselected Grease Pencil colors";		ot->description = "Hide selected/unselected Grease Pencil colors";

/* callbacks */		/* callbacks */
ot->exec = gp_palettecolor_hide_exec;		ot->exec = gpencil_color_hide_exec;
ot->poll = gp_active_palettecolor_poll; /* NOTE: we need an active color to play with */		ot->poll = gpencil_active_color_poll; /* NOTE: we need an active color to play with */

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

/* props */		/* props */
RNA_def_boolean(ot->srna, "unselected", 0, "Unselected", "Hide unselected rather than selected colors");		RNA_def_boolean(ot->srna, "unselected", 0, "Unselected", "Hide unselected rather than selected colors");
}		}

/* ******************** Show All Colors *************************** */		/* ******************** Show All Colors *************************** */

/* poll callback for showing colors */		static int gpencil_color_reveal_exec(bContext C, wmOperator UNUSED(op))
static int gp_palettecolor_reveal_poll(bContext *C)
{
return ED_gpencil_data_get_active(C) != NULL;
}

static int gp_palettecolor_reveal_exec(bContext C, wmOperator UNUSED(op))
{		{
bGPdata *gpd = ED_gpencil_data_get_active(C);		Object *ob = CTX_data_active_object(C);
bGPDpalette *palette = BKE_gpencil_palette_getactive(gpd);		Material *ma = NULL;
bGPDpalettecolor *palcolor;		Material ***matar = give_matarar(ob);
		short *totcol = give_totcolp(ob);

/* sanity checks */		if ((totcol == 0) \|\| (matar == NULL))
if (ELEM(NULL, gpd, palette))
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

/* make all colors visible */		/* make all colors visible */
for (palcolor = palette->colors.first; palcolor; palcolor = palcolor->next) {		MaterialGPencilStyle *gp_style = NULL;
palcolor->flag &= ~PC_COLOR_HIDE;
		for (short i = 0; i < *totcol; i++) {
		ma = (*matar)[i];
		gp_style = ma->gp_style;
		gp_style->flag &= ~GP_STYLE_COLOR_HIDE;
}		}

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_palettecolor_reveal(wmOperatorType *ot)		void GPENCIL_OT_color_reveal(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Show All Colors";		ot->name = "Show All Colors";
ot->idname = "GPENCIL_OT_palettecolor_reveal";		ot->idname = "GPENCIL_OT_color_reveal";
ot->description = "Unhide all hidden Grease Pencil palette colors";		ot->description = "Unhide all hidden Grease Pencil gpencil_ colors";

/* callbacks */		/* callbacks */
ot->exec = gp_palettecolor_reveal_exec;		ot->exec = gpencil_color_reveal_exec;
ot->poll = gp_palettecolor_reveal_poll;		ot->poll = gpencil_active_color_poll;

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;
}		}

/* *************** Lock/Unlock All Palette colors ********************** */		/* *************** Lock/Unlock All colors ********************** */

static int gp_palettecolor_lock_all_exec(bContext C, wmOperator UNUSED(op))		static int gpencil_color_lock_all_exec(bContext C, wmOperator UNUSED(op))
{		{
bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDpalette *palette = BKE_gpencil_palette_getactive(gpd);
bGPDpalettecolor *palcolor;

/* sanity checks */		Object *ob = CTX_data_active_object(C);
if (ELEM(NULL, gpd, palette))		Material *ma = NULL;
		Material ***matar = give_matarar(ob);
		short *totcol = give_totcolp(ob);

		if ((totcol == 0) \|\| (matar == NULL))
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

/* make all layers non-editable */		/* make all layers non-editable */
for (palcolor = palette->colors.first; palcolor; palcolor = palcolor->next) {		MaterialGPencilStyle *gp_style = NULL;
palcolor->flag \|= PC_COLOR_LOCKED;
		for (short i = 0; i < *totcol; i++) {
		ma = (*matar)[i];
		gp_style = ma->gp_style;
		gp_style->flag \|= GP_STYLE_COLOR_LOCKED;
}		}

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_palettecolor_lock_all(wmOperatorType *ot)		void GPENCIL_OT_color_lock_all(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Lock All Colors";		ot->name = "Lock All Colors";
ot->idname = "GPENCIL_OT_palettecolor_lock_all";		ot->idname = "GPENCIL_OT_color_lock_all";
ot->description = "Lock all Grease Pencil colors to prevent them from being accidentally modified";		ot->description = "Lock all Grease Pencil colors to prevent them from being accidentally modified";

/* callbacks */		/* callbacks */
ot->exec = gp_palettecolor_lock_all_exec;		ot->exec = gpencil_color_lock_all_exec;
ot->poll = gp_palettecolor_reveal_poll; /* XXX: could use dedicated poll later */		ot->poll = gpencil_active_color_poll;

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;
}		}

/* -------------------------- */		/* -------------------------- */

static int gp_palettecolor_unlock_all_exec(bContext C, wmOperator UNUSED(op))		static int gpencil_color_unlock_all_exec(bContext C, wmOperator UNUSED(op))
{		{
bGPdata *gpd = ED_gpencil_data_get_active(C);		Object *ob = CTX_data_active_object(C);
bGPDpalette *palette = BKE_gpencil_palette_getactive(gpd);		Material *ma = NULL;
bGPDpalettecolor *palcolor;		Material ***matar = give_matarar(ob);
		short *totcol = give_totcolp(ob);

/* sanity checks */		if ((totcol == 0) \|\| (matar == NULL))
if (ELEM(NULL, gpd, palette))
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

/* make all layers editable again*/		/* make all layers editable again*/
for (palcolor = palette->colors.first; palcolor; palcolor = palcolor->next) {		MaterialGPencilStyle *gp_style = NULL;
palcolor->flag &= ~PC_COLOR_LOCKED;
		for (short i = 0; i < *totcol; i++) {
		ma = (*matar)[i];
		gp_style = ma->gp_style;
		gp_style->flag &= ~GP_STYLE_COLOR_LOCKED;
}		}

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_palettecolor_unlock_all(wmOperatorType *ot)		void GPENCIL_OT_color_unlock_all(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Unlock All Colors";		ot->name = "Unlock All Colors";
ot->idname = "GPENCIL_OT_palettecolor_unlock_all";		ot->idname = "GPENCIL_OT_color_unlock_all";
ot->description = "Unlock all Grease Pencil colors so that they can be edited";		ot->description = "Unlock all Grease Pencil colors so that they can be edited";

/* callbacks */		/* callbacks */
ot->exec = gp_palettecolor_unlock_all_exec;		ot->exec = gpencil_color_unlock_all_exec;
ot->poll = gp_palettecolor_reveal_poll; /* XXX: could use dedicated poll later */		ot->poll = gpencil_active_color_poll;

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;
}		}

/* ***************** Move Color Up/Down ************************ */

enum {		/* *************** Select all strokes using color ********************** */
GP_COLOR_MOVE_UP = -1,
GP_COLOR_MOVE_DOWN = 1
};

static int gp_palettecolor_move_exec(bContext C, wmOperator op)		static int gpencil_color_select_exec(bContext C, wmOperator UNUSED(op))
{		{
bGPdata *gpd = ED_gpencil_data_get_active(C);		bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDpalette *palette = BKE_gpencil_palette_getactive(gpd);		Object *ob = CTX_data_active_object(C);
bGPDpalettecolor *palcolor = BKE_gpencil_palettecolor_getactive(palette);		MaterialGPencilStyle *gp_style = BKE_material_gpencil_settings_get(ob, ob->actcol);

int direction = RNA_enum_get(op->ptr, "direction");

/* sanity checks */		/* sanity checks */
if (ELEM(NULL, gpd, palette, palcolor))		if (ELEM(NULL, gpd, gp_style))
return OPERATOR_CANCELLED;

/* up or down? */
if (direction == GP_COLOR_MOVE_UP) {
/* up */
BLI_remlink(&palette->colors, palcolor);
BLI_insertlinkbefore(&palette->colors, palcolor->prev, palcolor);
}
else if (direction == GP_COLOR_MOVE_DOWN) {
/* down */
BLI_remlink(&palette->colors, palcolor);
BLI_insertlinkafter(&palette->colors, palcolor->next, palcolor);
}
else {
BLI_assert(0);
}

/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;
}

void GPENCIL_OT_palettecolor_move(wmOperatorType *ot)
{
static const EnumPropertyItem slot_move[] = {
{GP_COLOR_MOVE_UP, "UP", 0, "Up", ""},
{GP_COLOR_MOVE_DOWN, "DOWN", 0, "Down", ""},
{0, NULL, 0, NULL, NULL}
};

/* identifiers */
ot->name = "Move Palette color";
ot->idname = "GPENCIL_OT_palettecolor_move";
ot->description = "Move the active Grease Pencil palette color up/down in the list";

/* api callbacks */
ot->exec = gp_palettecolor_move_exec;
ot->poll = gp_palettecolor_reveal_poll; /* XXX: could use dedicated poll later */

/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

ot->prop = RNA_def_enum(ot->srna, "direction", slot_move, GP_COLOR_MOVE_UP, "Direction", "");
}

/* *************** Select all strokes using Palette color ********************** */

static int gp_palettecolor_select_exec(bContext C, wmOperator UNUSED(op))
{
bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDpalette *palette = BKE_gpencil_palette_getactive(gpd);
bGPDpalettecolor *palcolor = BKE_gpencil_palettecolor_getactive(palette);

/* sanity checks */
if (ELEM(NULL, gpd, palette, palcolor))
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

/* read all strokes and select*/		/* read all strokes and select*/
for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {		for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {
/* only editable and visible layers are considered */		/* only editable and visible layers are considered */
if (gpencil_layer_is_editable(gpl) && (gpl->actframe != NULL)) {		if (gpencil_layer_is_editable(gpl) && (gpl->actframe != NULL)) {
/* verify something to do */		/* verify something to do */
for (bGPDstroke *gps = gpl->actframe->strokes.first; gps; gps = gps->next) {		for (bGPDstroke *gps = gpl->actframe->strokes.first; gps; gps = gps->next) {
/* skip strokes that are invalid for current view */		/* skip strokes that are invalid for current view */
if (ED_gpencil_stroke_can_use(C, gps) == false)		if (ED_gpencil_stroke_can_use(C, gps) == false)
continue;		continue;
/* check if the color is editable */		/* check if the color is editable */
if (ED_gpencil_stroke_color_use(gpl, gps) == false)		if (ED_gpencil_stroke_color_use(ob, gpl, gps) == false)
continue;		continue;

/* select */		/* select */
if (strcmp(palcolor->info, gps->colorname) == 0) {		if (ob->actcol == gps->mat_nr) {
bGPDspoint *pt;		bGPDspoint *pt;
int i;		int i;

gps->flag \|= GP_STROKE_SELECT;		gps->flag \|= GP_STROKE_SELECT;
for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {		for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
pt->flag \|= GP_SPOINT_SELECT;		pt->flag \|= GP_SPOINT_SELECT;
}		}
}		}
}		}
}		}
}		}
/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_palettecolor_select(wmOperatorType *ot)		void GPENCIL_OT_color_select(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Select Color";		ot->name = "Select Color";
ot->idname = "GPENCIL_OT_palettecolor_select";		ot->idname = "GPENCIL_OT_color_select";
ot->description = "Select all Grease Pencil strokes using current color";		ot->description = "Select all Grease Pencil strokes using current color";

/* callbacks */		/* callbacks */
ot->exec = gp_palettecolor_select_exec;		ot->exec = gpencil_color_select_exec;
ot->poll = gp_palettecolor_reveal_poll; /* XXX: could use dedicated poll later */		ot->poll = gpencil_active_color_poll;

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;
}		}

/* *************** Copy Palette color ********************** */		/* *************** Choose color by index ********************** */
		static int gpencil_color_choose_exec(bContext C, wmOperator op)
static int gp_palettecolor_copy_exec(bContext C, wmOperator UNUSED(op))
{		{
bGPdata *gpd = ED_gpencil_data_get_active(C);		const int index = RNA_int_get(op->ptr, "index");
bGPDpalette *palette = BKE_gpencil_palette_getactive(gpd);
bGPDpalettecolor *palcolor = BKE_gpencil_palettecolor_getactive(palette);
bGPDpalettecolor *newcolor;

/* sanity checks */		Object *ob = CTX_data_active_object(C);
if (ELEM(NULL, gpd, palette, palcolor))		if (ob == NULL)
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;

/* create a new color and duplicate data */		ob->actcol = index + 1;
newcolor = BKE_gpencil_palettecolor_addnew(palette, palcolor->info, true);
copy_v4_v4(newcolor->color, palcolor->color);
copy_v4_v4(newcolor->fill, palcolor->fill);
newcolor->flag = palcolor->flag;

/* notifiers */		/* notifiers */
WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);		WM_event_add_notifier(C, NC_GPENCIL \| ND_DATA \| NA_EDITED, NULL);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

void GPENCIL_OT_palettecolor_copy(wmOperatorType *ot)		void GPENCIL_OT_color_choose(wmOperatorType *ot)
{		{
/* identifiers */		/* identifiers */
ot->name = "Copy Color";		ot->name = "Choose Color";
ot->idname = "GPENCIL_OT_palettecolor_copy";		ot->idname = "GPENCIL_OT_color_choose";
ot->description = "Copy current Grease Pencil palette color";		ot->description = "Active a gpencil_ color";

/* callbacks */		/* callbacks */
ot->exec = gp_palettecolor_copy_exec;		ot->exec = gpencil_color_choose_exec;
ot->poll = gp_active_palettecolor_poll;		ot->poll = gpencil_active_color_poll;

/* flags */		/* flags */
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

		/* properties */
		RNA_def_int(ot->srna, "index", 0, 0, INT_MAX, "Index", "Index of Color", 0, INT_MAX);
}		}