void make_local_brush(Brush *brush)
{
/* - only lib users: do nothing
* - only local users: set flag
* - mixed: make copy
*/
Main *bmain= G.main;
Scene *scene;
int local= 0, lib= 0;
if(brush->id.lib==NULL) return;
if(brush->clone.image) {
/* special case: ima always local immediately */
brush->clone.image->id.lib= NULL;
brush->clone.image->id.flag= LIB_LOCAL;
new_id(&bmain->brush, (ID *)brush->clone.image, NULL);
extern_local_brush(brush);
}
for(scene= bmain->scene.first; scene && ELEM(0, lib, local); scene=scene->id.next) {
if(paint_brush(&scene->toolsettings->imapaint.paint)==brush) {
if(scene->id.lib) lib= 1;
else local= 1;
}
}
if(local && lib==0) {
brush->id.lib= NULL;
brush->id.flag= LIB_LOCAL;
new_id(&bmain->brush, (ID *)brush, NULL);
extern_local_brush(brush);
/* enable fake user by default */
if (!(brush->id.flag & LIB_FAKEUSER)) {
brush->id.flag |= LIB_FAKEUSER;
brush->id.us++;
}
}
else if(local && lib) {
Brush *brushn= copy_brush(brush);
brushn->id.us= 1; /* only keep fake user */
brushn->id.flag |= LIB_FAKEUSER;
for(scene= bmain->scene.first; scene; scene=scene->id.next) {
if(paint_brush(&scene->toolsettings->imapaint.paint)==brush) {
if(scene->id.lib==NULL) {
paint_brush_set(&scene->toolsettings->imapaint.paint, brushn);
}
}
}
}
}
void make_local_brush(Brush *brush)
{
/* - only lib users: do nothing
* - only local users: set flag
* - mixed: make copy
*/
Main *bmain= G.main;
Scene *scene;
int is_local= FALSE, is_lib= FALSE;
if(brush->id.lib==NULL) return;
if(brush->clone.image) {
/* special case: ima always local immediately. Clone image should only
have one user anyway. */
id_clear_lib_data(bmain, &brush->clone.image->id);
extern_local_brush(brush);
}
for(scene= bmain->scene.first; scene && ELEM(0, is_lib, is_local); scene=scene->id.next) {
if(paint_brush(&scene->toolsettings->imapaint.paint)==brush) {
if(scene->id.lib) is_lib= TRUE;
else is_local= TRUE;
}
}
if(is_local && is_lib == FALSE) {
id_clear_lib_data(bmain, &brush->id);
extern_local_brush(brush);
/* enable fake user by default */
if (!(brush->id.flag & LIB_FAKEUSER)) {
brush->id.flag |= LIB_FAKEUSER;
brush->id.us++;
}
}
else if(is_local && is_lib) {
Brush *brush_new= copy_brush(brush);
brush_new->id.us= 1; /* only keep fake user */
brush_new->id.flag |= LIB_FAKEUSER;
/* Remap paths of new ID using old library as base. */
BKE_id_lib_local_paths(bmain, brush->id.lib, &brush_new->id);
for(scene= bmain->scene.first; scene; scene=scene->id.next) {
if(paint_brush(&scene->toolsettings->imapaint.paint)==brush) {
if(scene->id.lib==NULL) {
paint_brush_set(&scene->toolsettings->imapaint.paint, brush_new);
}
}
}
}
}
static void set_unified_unprojected_radius(Brush *brush, float value)
{
Scene *sce;
for (sce= G.main->scene.first; sce; sce= sce->id.next) {
if (sce->toolsettings &&
ELEM4(brush,
paint_brush(&(sce->toolsettings->imapaint.paint)),
paint_brush(&(sce->toolsettings->vpaint->paint)),
paint_brush(&(sce->toolsettings->wpaint->paint)),
paint_brush(&(sce->toolsettings->sculpt->paint))))
{
sce->toolsettings->sculpt_paint_unified_unprojected_radius= value;
}
}
}
static int brush_generic_tool_set(Main *bmain, Paint *paint, const int tool,
const size_t tool_offset, const int ob_mode,
const char *tool_name, int create_missing,
int toggle)
{
struct Brush *brush, *brush_orig = paint_brush(paint);
if (toggle)
brush = brush_tool_toggle(bmain, brush_orig, tool, tool_offset, ob_mode);
else
brush = brush_tool_cycle(bmain, brush_orig, tool, tool_offset, ob_mode);
if (!brush && brush_tool(brush_orig, tool_offset) != tool && create_missing) {
brush = BKE_brush_add(tool_name);
brush_tool_set(brush, tool_offset, tool);
brush->ob_mode = ob_mode;
brush->toggle_brush = brush_orig;
}
if (brush) {
paint_brush_set(paint, brush);
WM_main_add_notifier(NC_BRUSH | NA_EDITED, brush);
return OPERATOR_FINISHED;
}
else {
return OPERATOR_CANCELLED;
}
}
static int buttons_context_path_brush(ButsContextPath *path)
{
Scene *scene;
Brush *br= NULL;
PointerRNA *ptr= &path->ptr[path->len-1];
/* if we already have a (pinned) brush, we're done */
if(RNA_struct_is_a(ptr->type, &RNA_Brush)) {
return 1;
}
/* if we have a scene, use the toolsettings brushes */
else if(buttons_context_path_scene(path)) {
scene= path->ptr[path->len-1].data;
if(scene)
br= paint_brush(paint_get_active(scene));
if(br) {
RNA_id_pointer_create((ID *)br, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* no path to a brush possible */
return 0;
}
static unsigned char *get_alpha_clone_image(Scene *scene, int *width, int *height)
{
Brush *brush = paint_brush(&scene->toolsettings->imapaint.paint);
ImBuf *ibuf;
unsigned int size, alpha;
unsigned char *rect, *cp;
if(!brush || !brush->clone.image)
return NULL;
ibuf= BKE_image_get_ibuf(brush->clone.image, NULL);
if(!ibuf || !ibuf->rect)
return NULL;
rect= MEM_dupallocN(ibuf->rect);
if(!rect)
return NULL;
*width= ibuf->x;
*height= ibuf->y;
size= (*width)*(*height);
alpha= (unsigned char)255*brush->clone.alpha;
cp= rect;
while(size-- > 0) {
cp[3]= alpha;
cp += 4;
}
return rect;
}
static int brush_curve_preset_exec(bContext *C, wmOperator *op)
{
Brush *br = paint_brush(paint_get_active(CTX_data_scene(C)));
brush_curve_preset(br, RNA_enum_get(op->ptr, "shape"));
return OPERATOR_FINISHED;
}
static void draw_image_paint_helpers(const bContext *C, ARegion *ar, Scene *scene, float zoomx, float zoomy)
{
Brush *brush;
int x, y, w, h;
unsigned char *clonerect;
brush = paint_brush(&scene->toolsettings->imapaint.paint);
if (brush && (brush->imagepaint_tool == PAINT_TOOL_CLONE)) {
/* this is not very efficient, but glDrawPixels doesn't allow
* drawing with alpha */
clonerect = get_alpha_clone_image(C, scene, &w, &h);
if (clonerect) {
UI_view2d_to_region_no_clip(&ar->v2d, brush->clone.offset[0], brush->clone.offset[1], &x, &y);
glPixelZoom(zoomx, zoomy);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glaDrawPixelsSafe(x, y, w, h, w, GL_RGBA, GL_UNSIGNED_BYTE, clonerect);
glDisable(GL_BLEND);
glPixelZoom(1.0, 1.0);
MEM_freeN(clonerect);
}
}
}
static short unified_settings(Brush *brush)
{
Scene *sce;
for (sce= G.main->scene.first; sce; sce= sce->id.next) {
if (sce->toolsettings &&
ELEM4(brush,
paint_brush(&(sce->toolsettings->imapaint.paint)),
paint_brush(&(sce->toolsettings->vpaint->paint)),
paint_brush(&(sce->toolsettings->wpaint->paint)),
paint_brush(&(sce->toolsettings->sculpt->paint))))
{
return sce->toolsettings->sculpt_paint_settings;
}
}
return 0;
}
static float unified_unprojected_radius(Brush *brush)
{
Scene *sce;
for (sce= G.main->scene.first; sce; sce= sce->id.next) {
if (sce->toolsettings &&
ELEM4(brush,
paint_brush(&(sce->toolsettings->imapaint.paint)),
paint_brush(&(sce->toolsettings->vpaint->paint)),
paint_brush(&(sce->toolsettings->wpaint->paint)),
paint_brush(&(sce->toolsettings->sculpt->paint))))
{
return sce->toolsettings->sculpt_paint_unified_unprojected_radius;
}
}
return 0.125f; // XXX magic number
}
static int unified_size(Brush *brush)
{
Scene *sce;
for (sce= G.main->scene.first; sce; sce= sce->id.next) {
if (sce->toolsettings &&
ELEM4(brush,
paint_brush(&(sce->toolsettings->imapaint.paint)),
paint_brush(&(sce->toolsettings->vpaint->paint)),
paint_brush(&(sce->toolsettings->wpaint->paint)),
paint_brush(&(sce->toolsettings->sculpt->paint))))
{
return sce->toolsettings->sculpt_paint_unified_size;
}
}
return 35; // XXX magic number
}
static void set_unified_settings(Brush *brush, short flag, int value)
{
Scene *sce;
for (sce= G.main->scene.first; sce; sce= sce->id.next) {
if (sce->toolsettings &&
ELEM4(brush,
paint_brush(&(sce->toolsettings->imapaint.paint)),
paint_brush(&(sce->toolsettings->vpaint->paint)),
paint_brush(&(sce->toolsettings->wpaint->paint)),
paint_brush(&(sce->toolsettings->sculpt->paint))))
{
if (value)
sce->toolsettings->sculpt_paint_settings |= flag;
else
sce->toolsettings->sculpt_paint_settings &= ~flag;
}
}
}
static unsigned char *get_alpha_clone_image(const bContext *C, Scene *scene, int *width, int *height)
{
Brush *brush = paint_brush(&scene->toolsettings->imapaint.paint);
ImBuf *ibuf;
unsigned int size, alpha;
unsigned char *display_buffer;
unsigned char *rect, *cp;
void *cache_handle;
if (!brush || !brush->clone.image)
return NULL;
ibuf = BKE_image_acquire_ibuf(brush->clone.image, NULL, NULL);
if (!ibuf)
return NULL;
display_buffer = IMB_display_buffer_acquire_ctx(C, ibuf, &cache_handle);
if (!display_buffer) {
BKE_image_release_ibuf(brush->clone.image, ibuf, NULL);
IMB_display_buffer_release(cache_handle);
return NULL;
}
rect = MEM_dupallocN(display_buffer);
IMB_display_buffer_release(cache_handle);
if (!rect) {
BKE_image_release_ibuf(brush->clone.image, ibuf, NULL);
return NULL;
}
*width = ibuf->x;
*height = ibuf->y;
size = (*width) * (*height);
alpha = (unsigned char)255 * brush->clone.alpha;
cp = rect;
while (size-- > 0) {
cp[3] = alpha;
cp += 4;
}
BKE_image_release_ibuf(brush->clone.image, ibuf, NULL);
return rect;
}
static int brush_reset_exec(bContext *C, wmOperator *UNUSED(op))
{
Paint *paint = paint_get_active_from_context(C);
struct Brush *brush = paint_brush(paint);
Object *ob = CTX_data_active_object(C);
if (!ob) return OPERATOR_CANCELLED;
if (ob->mode & OB_MODE_SCULPT)
BKE_brush_sculpt_reset(brush);
/* TODO: other modes */
return OPERATOR_FINISHED;
}
/* Brush operators */
static int brush_add_exec(bContext *C, wmOperator *UNUSED(op))
{
/*int type = RNA_enum_get(op->ptr, "type");*/
Paint *paint = paint_get_active(CTX_data_scene(C));
struct Brush *br = paint_brush(paint);
if (br)
br = copy_brush(br);
else
br = add_brush("Brush");
paint_brush_set(paint_get_active(CTX_data_scene(C)), br);
return OPERATOR_FINISHED;
}
void BKE_paint_init(Paint *p, const char col[3])
{
Brush *brush;
/* If there's no brush, create one */
brush = paint_brush(p);
if (brush == NULL)
brush = BKE_brush_add("Brush");
paint_brush_set(p, brush);
memcpy(p->paint_cursor_col, col, 3);
p->paint_cursor_col[3] = 128;
p->flags |= PAINT_SHOW_BRUSH;
}
/* Brush operators */
static int brush_add_exec(bContext *C, wmOperator *UNUSED(op))
{
/*int type = RNA_enum_get(op->ptr, "type");*/
Paint *paint = paint_get_active_from_context(C);
struct Brush *br = paint_brush(paint);
if (br)
br = BKE_brush_copy(br);
else
br = BKE_brush_add("Brush");
paint_brush_set(paint, br);
return OPERATOR_FINISHED;
}
static int brush_generic_tool_set(Main *bmain, Paint *paint, const int tool, const size_t tool_offset, const int ob_mode)
{
struct Brush *brush, *brush_orig= paint_brush(paint);
brush= brush_tool_cycle(bmain, brush_orig, tool, tool_offset, ob_mode);
if(brush) {
paint_brush_set(paint, brush);
WM_main_add_notifier(NC_BRUSH|NA_EDITED, brush);
return OPERATOR_FINISHED;
}
else {
return OPERATOR_CANCELLED;
}
}
/*** Cursor ***/
static void paint_draw_smooth_stroke(bContext *C, int x, int y, void *customdata)
{
Brush *brush = paint_brush(paint_get_active(CTX_data_scene(C)));
PaintStroke *stroke = customdata;
glColor4ubv(paint_get_active(CTX_data_scene(C))->paint_cursor_col);
glEnable(GL_LINE_SMOOTH);
glEnable(GL_BLEND);
if(stroke && brush && (brush->flag & BRUSH_SMOOTH_STROKE)) {
ARegion *ar = CTX_wm_region(C);
sdrawline(x, y, (int)stroke->last_mouse_position[0] - ar->winrct.xmin,
(int)stroke->last_mouse_position[1] - ar->winrct.ymin);
}
glDisable(GL_BLEND);
glDisable(GL_LINE_SMOOTH);
}
/* used for both 3d view and image window */
void paint_sample_color(Scene *scene, ARegion *ar, int x, int y) /* frontbuf */
{
Brush *br = paint_brush(paint_get_active(scene));
unsigned int col;
char *cp;
CLAMP(x, 0, ar->winx);
CLAMP(y, 0, ar->winy);
glReadBuffer(GL_FRONT);
glReadPixels(x+ar->winrct.xmin, y+ar->winrct.ymin, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &col);
glReadBuffer(GL_BACK);
cp = (char *)&col;
if(br) {
br->rgb[0]= cp[0]/255.0f;
br->rgb[1]= cp[1]/255.0f;
br->rgb[2]= cp[2]/255.0f;
}
}
static int brush_scale_size_exec(bContext *C, wmOperator *op)
{
Scene *scene = CTX_data_scene(C);
Paint *paint = paint_get_active_from_context(C);
struct Brush *brush = paint_brush(paint);
// Object *ob= CTX_data_active_object(C);
float scalar = RNA_float_get(op->ptr, "scalar");
if (brush) {
// pixel radius
{
const int old_size = BKE_brush_size_get(scene, brush);
int size = (int)(scalar * old_size);
if (old_size == size) {
if (scalar > 1) {
size++;
}
else if (scalar < 1) {
size--;
}
}
CLAMP(size, 1, 2000); // XXX magic number
BKE_brush_size_set(scene, brush, size);
}
// unprojected radius
{
float unprojected_radius = scalar * BKE_brush_unprojected_radius_get(scene, brush);
if (unprojected_radius < 0.001f) // XXX magic number
unprojected_radius = 0.001f;
BKE_brush_unprojected_radius_set(scene, brush, unprojected_radius);
}
}
return OPERATOR_FINISHED;
}
static int brush_curve_preset_poll(bContext *C)
{
Brush *br = paint_brush(paint_get_active(CTX_data_scene(C)));
return br && br->curve;
}
static void buttons_texture_users_from_context(ListBase *users, const bContext *C, SpaceButs *sbuts)
{
Scene *scene= NULL;
Object *ob= NULL;
Material *ma= NULL;
Lamp *la= NULL;
World *wrld= NULL;
Brush *brush= NULL;
ID *pinid = sbuts->pinid;
/* get data from context */
if(pinid) {
if(GS(pinid->name) == ID_SCE)
scene= (Scene*)pinid;
else if(GS(pinid->name) == ID_OB)
ob= (Object*)pinid;
else if(GS(pinid->name) == ID_LA)
la= (Lamp*)pinid;
else if(GS(pinid->name) == ID_WO)
wrld= (World*)pinid;
else if(GS(pinid->name) == ID_MA)
ma= (Material*)pinid;
else if(GS(pinid->name) == ID_BR)
brush= (Brush*)pinid;
}
if(!scene)
scene= CTX_data_scene(C);
if(!(pinid || pinid == &scene->id)) {
ob= (scene->basact)? scene->basact->object: NULL;
wrld= scene->world;
brush= paint_brush(paint_get_active(scene));
}
if(ob && ob->type == OB_LAMP && !la)
la= ob->data;
if(ob && !ma)
ma= give_current_material(ob, ob->actcol);
/* fill users */
users->first = users->last = NULL;
if(ma)
buttons_texture_users_find_nodetree(users, &ma->id, ma->nodetree, "Material");
if(la)
buttons_texture_users_find_nodetree(users, &la->id, la->nodetree, "Lamp");
if(wrld)
buttons_texture_users_find_nodetree(users, &wrld->id, wrld->nodetree, "World");
if(ob) {
ParticleSystem *psys= psys_get_current(ob);
MTex *mtex;
int a;
/* modifiers */
modifiers_foreachTexLink(ob, buttons_texture_modifier_foreach, users);
/* particle systems */
if(psys) {
/* todo: these slots are not in the UI */
for(a=0; a<MAX_MTEX; a++) {
mtex = psys->part->mtex[a];
if(mtex) {
PointerRNA ptr;
PropertyRNA *prop;
RNA_pointer_create(&psys->part->id, &RNA_ParticleSettingsTextureSlot, mtex, &ptr);
prop = RNA_struct_find_property(&ptr, "texture");
buttons_texture_user_property_add(users, &psys->part->id, ptr, prop,
"Particles", RNA_struct_ui_icon(&RNA_ParticleSettings), psys->name);
}
}
}
/* field */
if(ob->pd && ob->pd->forcefield == PFIELD_TEXTURE) {
PointerRNA ptr;
PropertyRNA *prop;
RNA_pointer_create(&ob->id, &RNA_FieldSettings, ob->pd, &ptr);
prop = RNA_struct_find_property(&ptr, "texture");
buttons_texture_user_property_add(users, &ob->id, ptr, prop,
"Fields", ICON_FORCE_TEXTURE, "Texture Field");
}
}
/* brush */
if(brush) {
PointerRNA ptr;
PropertyRNA *prop;
RNA_pointer_create(&brush->id, &RNA_BrushTextureSlot, &brush->mtex, &ptr);
prop= RNA_struct_find_property(&ptr, "texture");
buttons_texture_user_property_add(users, &brush->id, ptr, prop,
"Brush", ICON_BRUSH_DATA, brush->id.name+2);
}
}