/* 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;
}
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 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;
}
/*** 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);
}
static int brush_reset_exec(bContext *C, wmOperator *UNUSED(op))
{
Paint *paint = paint_get_active(CTX_data_scene(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)
brush_reset_sculpt(brush);
/* TODO: other modes */
return OPERATOR_FINISHED;
}
/* 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(scene);
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= brush_size(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
brush_set_size(scene, brush, size);
}
// unprojected radius
{
float unprojected_radius= scalar*brush_unprojected_radius(scene, brush);
if (unprojected_radius < 0.001f) // XXX magic number
unprojected_radius= 0.001f;
brush_set_unprojected_radius(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);
}
}
