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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2009 by Nicholas Bishop
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "MEM_guardedalloc.h"
#include "DNA_object_types.h"
#include "DNA_mesh_types.h"
#include "DNA_scene_types.h"
#include "DNA_brush_types.h"
#include "BKE_brush.h"
#include "BKE_library.h"
#include "BKE_paint.h"
#include <stdlib.h>
#include <string.h>
const char PAINT_CURSOR_SCULPT[3] = {255, 100, 100};
const char PAINT_CURSOR_VERTEX_PAINT[3] = {255, 255, 255};
const char PAINT_CURSOR_WEIGHT_PAINT[3] = {200, 200, 255};
const char PAINT_CURSOR_TEXTURE_PAINT[3] = {255, 255, 255};
Paint *paint_get_active(Scene *sce)
{
if(sce) {
ToolSettings *ts = sce->toolsettings;
if(sce->basact && sce->basact->object) {
switch(sce->basact->object->mode) {
case OB_MODE_SCULPT:
return &ts->sculpt->paint;
case OB_MODE_VERTEX_PAINT:
return &ts->vpaint->paint;
case OB_MODE_WEIGHT_PAINT:
return &ts->wpaint->paint;
case OB_MODE_TEXTURE_PAINT:
return &ts->imapaint.paint;
}
}
/* default to image paint */
return &ts->imapaint.paint;
}
return NULL;
}
Brush *paint_brush(Paint *p)
{
return p && p->brushes ? p->brushes[p->active_brush_index] : NULL;
}
void paint_brush_set(Paint *p, Brush *br)
{
if(p && !br) {
/* Setting to NULL removes the current slot */
paint_brush_slot_remove(p);
}
else if(p) {
int found = 0;
if(p->brushes) {
int i;
/* See if there's already a slot with the brush */
for(i = 0; i < p->brush_count; ++i) {
if(p->brushes[i] == br) {
p->active_brush_index = i;
found = 1;
break;
}
}
}
if(!found) {
paint_brush_slot_add(p);
id_us_plus(&br->id);
}
/* Make sure the current slot is the new brush */
p->brushes[p->active_brush_index] = br;
}
}
static void paint_brush_slots_alloc(Paint *p, const int count)
{
p->brush_count = count;
if(count == 0)
p->brushes = NULL;
else
p->brushes = MEM_callocN(sizeof(Brush*) * count, "Brush slots");
}
void paint_brush_slot_add(Paint *p)
{
if(p) {
Brush **orig = p->brushes;
int orig_count = p->brushes ? p->brush_count : 0;
/* Increase size of brush slot array */
paint_brush_slots_alloc(p, orig_count + 1);
if(orig) {
memcpy(p->brushes, orig, sizeof(Brush*) * orig_count);
MEM_freeN(orig);
}
p->active_brush_index = orig_count;
}
}
void paint_brush_slot_remove(Paint *p)
{
if(p && p->brushes) {
Brush **orig = p->brushes;
int src, dst;
/* Decrease size of brush slot array */
paint_brush_slots_alloc(p, p->brush_count - 1);
if(p->brushes) {
for(src = 0, dst = 0; dst < p->brush_count; ++src) {
if(src != p->active_brush_index) {
p->brushes[dst] = orig[src];
++dst;
}
}
}
MEM_freeN(orig);
if(p->active_brush_index >= p->brush_count)
p->active_brush_index = p->brush_count - 1;
if(p->active_brush_index < 0)
p->active_brush_index = 0;
}
}
int paint_facesel_test(Object *ob)
{
return (ob && ob->type==OB_MESH && ob->data && (((Mesh *)ob->data)->editflag & ME_EDIT_PAINT_MASK) && (ob->mode & (OB_MODE_VERTEX_PAINT|OB_MODE_WEIGHT_PAINT|OB_MODE_TEXTURE_PAINT)));
}
void paint_init(Paint *p, const char col[3])
{
Brush *brush;
/* If there's no brush, create one */
brush = paint_brush(p);
brush_check_exists(&brush, "Brush");
paint_brush_set(p, brush);
memcpy(p->paint_cursor_col, col, 3);
p->paint_cursor_col[3] = 128;
p->flags |= PAINT_SHOW_BRUSH;
}
void free_paint(Paint *paint)
{
if(paint->brushes)
MEM_freeN(paint->brushes);
}
void copy_paint(Paint *orig, Paint *new)
{
if(orig->brushes) {
int i;
new->brushes = MEM_dupallocN(orig->brushes);
for(i = 0; i < orig->brush_count; ++i)
id_us_plus((ID *)new->brushes[i]);
}
}
int paint_has_brush(Paint *p, Brush *brush)
{
int i;
for (i= 0; i < p->brush_count; i++) {
if (strcmp(brush->id.name+2, p->brushes[i]->id.name+2) == 0)
return 1;
}
return 0;
}
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