void AudioServer::sample_set_signed_data(RID p_sample, const DVector<float>& p_buffer) {
SampleFormat format = sample_get_format(p_sample);
ERR_EXPLAIN("IMA ADPCM is not supported.");
ERR_FAIL_COND(format==SAMPLE_FORMAT_IMA_ADPCM);
int len = p_buffer.size();
ERR_FAIL_COND( len == 0 );
DVector<uint8_t> data;
DVector<uint8_t>::Write w;
DVector<float>::Read r = p_buffer.read();
switch(format) {
case SAMPLE_FORMAT_PCM8: {
data.resize(len);
w=data.write();
int8_t *samples8 = (int8_t*)w.ptr();
for(int i=0;i<len;i++) {
float sample = Math::floor( r[i] * (1<<8) );
if (sample<-128)
sample=-128;
else if (sample>127)
sample=127;
samples8[i]=sample;
}
} break;
case SAMPLE_FORMAT_PCM16: {
data.resize(len*2);
w=data.write();
int16_t *samples16 = (int16_t*)w.ptr();
for(int i=0;i<len;i++) {
float sample = Math::floor( r[i] * (1<<16) );
if (sample<-32768)
sample=-32768;
else if (sample>32767)
sample=32767;
samples16[i]=sample;
}
} break;
}
w = DVector<uint8_t>::Write();
sample_set_data(p_sample,data);
}
Dictionary PolygonPathFinder::_get_data() const{
Dictionary d;
DVector<Vector2> p;
DVector<int> ind;
Array connections;
p.resize(points.size()-2);
connections.resize(points.size()-2);
ind.resize(edges.size()*2);
DVector<float> penalties;
penalties.resize(points.size()-2);
{
DVector<Vector2>::Write wp=p.write();
DVector<float>::Write pw=penalties.write();
for(int i=0;i<points.size()-2;i++) {
wp[i]=points[i].pos;
pw[i]=points[i].penalty;
DVector<int> c;
c.resize(points[i].connections.size());
{
DVector<int>::Write cw=c.write();
int idx=0;
for (Set<int>::Element *E=points[i].connections.front();E;E=E->next()) {
cw[idx++]=E->get();
}
}
connections[i]=c;
}
}
{
DVector<int>::Write iw=ind.write();
int idx=0;
for (Set<Edge>::Element *E=edges.front();E;E=E->next()) {
iw[idx++]=E->get().points[0];
iw[idx++]=E->get().points[1];
}
}
d["bounds"]=bounds;
d["points"]=p;
d["penalties"]=penalties;
d["connections"]=connections;
d["segments"]=ind;
return d;
}
Variant::Variant(const DVector<Face3>& p_face_array) {
DVector<Vector3> vertices;
int face_count=p_face_array.size();
vertices.resize(face_count*3);
if (face_count) {
DVector<Face3>::Read r = p_face_array.read();
DVector<Vector3>::Write w = vertices.write();
for(int i=0;i<face_count;i++) {
for(int j=0;j<3;j++)
w[i*3+j]=r[i].vertex[j];
}
r=DVector<Face3>::Read();
w=DVector<Vector3>::Write();
}
type = NIL;
*this = vertices;
}
DVector<int> TileMap::_get_tile_data() const {
DVector<int> data;
data.resize(tile_map.size()*2);
DVector<int>::Write w = data.write();
int idx=0;
for(const Map<PosKey,Cell>::Element *E=tile_map.front();E;E=E->next()) {
uint8_t *ptr = (uint8_t*)&w[idx];
encode_uint16(E->key().x,&ptr[0]);
encode_uint16(E->key().y,&ptr[2]);
uint32_t val = E->get().id;
if (E->get().flip_h)
val|=(1<<29);
if (E->get().flip_v)
val|=(1<<30);
encode_uint32(val,&ptr[4]);
idx+=2;
}
w = DVector<int>::Write();
return data;
}
static void _decompress_etc(Image *p_img) {
ERR_FAIL_COND(p_img->get_format() != Image::FORMAT_ETC);
int imgw = p_img->get_width();
int imgh = p_img->get_height();
DVector<uint8_t> src = p_img->get_data();
DVector<uint8_t> dst;
DVector<uint8_t>::Read r = src.read();
int mmc = p_img->get_mipmaps();
for (int i = 0; i <= mmc; i++) {
dst.resize(dst.size() + imgw * imgh * 3);
const uint8_t *srcbr = &r[p_img->get_mipmap_offset(i)];
DVector<uint8_t>::Write w = dst.write();
uint8_t *wptr = &w[dst.size() - imgw * imgh * 3];
int bw = MAX(imgw / 4, 1);
int bh = MAX(imgh / 4, 1);
for (int y = 0; y < bh; y++) {
for (int x = 0; x < bw; x++) {
uint8_t block[4 * 4 * 4];
rg_etc1::unpack_etc1_block(srcbr, (unsigned int *)block);
srcbr += 8;
int maxx = MIN(imgw, 4);
int maxy = MIN(imgh, 4);
for (int yy = 0; yy < maxy; yy++) {
for (int xx = 0; xx < maxx; xx++) {
uint32_t src_ofs = (yy * 4 + xx) * 4;
uint32_t dst_ofs = ((y * 4 + yy) * imgw + x * 4 + xx) * 3;
wptr[dst_ofs + 0] = block[src_ofs + 0];
wptr[dst_ofs + 1] = block[src_ofs + 1];
wptr[dst_ofs + 2] = block[src_ofs + 2];
}
}
}
}
imgw = MAX(1, imgw / 2);
imgh = MAX(1, imgh / 2);
}
r = DVector<uint8_t>::Read();
//print_line("Re Creating ETC into regular image: w "+itos(p_img->get_width())+" h "+itos(p_img->get_height())+" mm "+itos(p_img->get_mipmaps()));
*p_img = Image(p_img->get_width(), p_img->get_height(), p_img->get_mipmaps(), Image::FORMAT_RGB, dst);
if (p_img->get_mipmaps())
p_img->generate_mipmaps(-1, true);
}
String _Marshalls::variant_to_base64(const Variant& p_var) {
int len;
Error err = encode_variant(p_var,NULL,len);
ERR_FAIL_COND_V( err != OK, "" );
DVector<uint8_t> buff;
buff.resize(len);
DVector<uint8_t>::Write w = buff.write();
err = encode_variant(p_var,&w[0],len);
ERR_FAIL_COND_V( err != OK, "" );
int b64len = len / 3 * 4 + 4 + 1;
DVector<uint8_t> b64buff;
b64buff.resize(b64len);
DVector<uint8_t>::Write w64 = b64buff.write();
int strlen = base64_encode((char*)(&w64[0]), (char*)(&w[0]), len);
//OS::get_singleton()->print("len is %i, vector size is %i\n", b64len, strlen);
w64[strlen] = 0;
String ret = (char*)&w64[0];
return ret;
};
Array StreamPeer::_get_partial_data(int p_bytes) {
Array ret;
DVector<uint8_t> data;
data.resize(p_bytes);
if (data.size() != p_bytes) {
ret.push_back(ERR_OUT_OF_MEMORY);
ret.push_back(DVector<uint8_t>());
return ret;
}
DVector<uint8_t>::Write w = data.write();
int received;
Error err = get_partial_data(&w[0], p_bytes, received);
w = DVector<uint8_t>::Write();
if (err != OK) {
data.resize(0);
} else if (received != data.size()) {
data.resize(received);
}
ret.push_back(err);
ret.push_back(data);
return ret;
}
void Particles2DEditorPlugin::_file_selected(const String& p_file) {
print_line("file: "+p_file);
int epc=epoints->get_val();
Image img;
Error err = ImageLoader::load_image(p_file,&img);
ERR_EXPLAIN("Error loading image: "+p_file);
ERR_FAIL_COND(err!=OK);
img.convert(Image::FORMAT_GRAYSCALE_ALPHA);
ERR_FAIL_COND(img.get_format()!=Image::FORMAT_GRAYSCALE_ALPHA);
Size2i s = Size2(img.get_width(),img.get_height());
ERR_FAIL_COND(s.width==0 || s.height==0);
DVector<uint8_t> data = img.get_data();
DVector<uint8_t>::Read r = data.read();
Vector<Point2i> valid_positions;
valid_positions.resize(s.width*s.height);
int vpc=0;
for(int i=0;i<s.width*s.height;i++) {
uint8_t a = r[i*2+1];
if (a>128) {
valid_positions[vpc++]=Point2i(i%s.width,i/s.width);
}
}
valid_positions.resize(vpc);
ERR_EXPLAIN("No pixels with transparency > 128 in image..");
ERR_FAIL_COND(valid_positions.size()==0);
DVector<Point2> epoints;
epoints.resize(epc);
DVector<Point2>::Write w = epoints.write();
Size2 extents = Size2(img.get_width()*0.5,img.get_height()*0.5);
for(int i=0;i<epc;i++) {
Point2 p = valid_positions[Math::rand()%vpc];
p-=s/2;
w[i]=p/extents;
}
w = DVector<Point2>::Write();
undo_redo->create_action("Set Emission Mask");
undo_redo->add_do_method(particles,"set_emission_points",epoints);
undo_redo->add_do_method(particles,"set_emission_half_extents",extents);
undo_redo->add_undo_method(particles,"set_emission_points",particles->get_emission_points());
undo_redo->add_undo_method(particles,"set_emission_half_extents",particles->get_emission_half_extents());
undo_redo->commit_action();
}
int VideoStreamTheoraplayer::get_pending_frame_count() const {
if (!clip)
return 0;
if (!frame.empty())
return 1;
TheoraVideoFrame* f = clip->getNextFrame();
if (!f)
return 0;
float w=clip->getWidth(),h=clip->getHeight();
int imgsize = w * h * f->mBpp;
int size = f->getStride() * f->getHeight() * f->mBpp;
DVector<uint8_t> data;
data.resize(imgsize);
DVector<uint8_t>::Write wr = data.write();
uint8_t* ptr = wr.ptr();
copymem(ptr, f->getBuffer(), imgsize);
/*
for (int i=0; i<h; i++) {
int dstofs = i * w * f->mBpp;
int srcofs = i * f->getStride() * f->mBpp;
copymem(ptr + dstofs, f->getBuffer() + dstofs, w * f->mBpp);
};
*/
frame = Image();
frame.create(w, h, 0, f->mBpp == 3 ? Image::FORMAT_RGB : Image::FORMAT_RGBA, data);
clip->popFrame();
return 1;
};
RES ResourceFormatLoaderDynamicFont::load(const String &p_path, const String& p_original_path, Error *r_error) {
if (r_error)
*r_error=ERR_FILE_CANT_OPEN;
FileAccess *f = FileAccess::open(p_path,FileAccess::READ);
ERR_FAIL_COND_V(!f,RES());
DVector<uint8_t> data;
data.resize(f->get_len());
ERR_FAIL_COND_V(data.size()==0,RES());
{
DVector<uint8_t>::Write w = data.write();
f->get_buffer(w.ptr(),data.size());
}
Ref<DynamicFontData> dfd;
dfd.instance();
dfd->set_font_data(data);
if (r_error)
*r_error=OK;
return dfd;
}
void AudioServer::sample_set_signed_data(RID p_sample, const DVector<float>& p_buffer) {
int len = p_buffer.size();
ERR_FAIL_COND( len == 0 );
DVector<uint8_t> data;
data.resize(len*2);
DVector<uint8_t>::Write w=data.write();
int16_t *samples = (int16_t*)w.ptr();
DVector<float>::Read r = p_buffer.read();
for(int i=0;i<len;i++) {
float sample = r[i];
sample = Math::floor( sample * (1<<16) );
if (sample<-32768)
sample=-32768;
else if (sample>32767)
sample=32767;
samples[i]=sample;
}
w = DVector<uint8_t>::Write();
sample_set_data(p_sample,data);
}
Error jpeg_load_image_from_buffer(Image *p_image,const uint8_t* p_buffer, int p_buffer_len) {
jpgd::jpeg_decoder_mem_stream mem_stream(p_buffer,p_buffer_len);
jpgd::jpeg_decoder decoder(&mem_stream);
if (decoder.get_error_code() != jpgd::JPGD_SUCCESS) {
return ERR_CANT_OPEN;
}
const int image_width = decoder.get_width();
const int image_height = decoder.get_height();
int comps = decoder.get_num_components();
if (comps==3)
comps=4; //weird
if (decoder.begin_decoding() != jpgd::JPGD_SUCCESS)
return ERR_FILE_CORRUPT;
const int dst_bpl = image_width * comps;
DVector<uint8_t> data;
data.resize(dst_bpl * image_height);
DVector<uint8_t>::Write dw = data.write();
jpgd::uint8 *pImage_data = (jpgd::uint8*)dw.ptr();
for (int y = 0; y < image_height; y++)
{
const jpgd::uint8* pScan_line;
jpgd::uint scan_line_len;
if (decoder.decode((const void**)&pScan_line, &scan_line_len) != jpgd::JPGD_SUCCESS)
{
return ERR_FILE_CORRUPT;
}
jpgd::uint8 *pDst = pImage_data + y * dst_bpl;
memcpy(pDst, pScan_line, dst_bpl);
}
//all good
Image::Format fmt;
if (comps==1)
fmt=Image::FORMAT_GRAYSCALE;
else
fmt=Image::FORMAT_RGBA;
dw = DVector<uint8_t>::Write();
p_image->create(image_width,image_height,0,fmt,data);
return OK;
}
void EditorExportPlatformWindows::store_16(DVector<uint8_t>& vector, uint16_t value) {
const uint8_t* bytes = reinterpret_cast<const uint8_t*>(&value);
int size = vector.size();
vector.resize( size + 2 );
DVector<uint8_t>::Write w = vector.write();
w[size]=bytes[0];
w[size+1]=bytes[1];
}
void image_compress_squish(Image *p_image) {
int w=p_image->get_width();
int h=p_image->get_height();
if (p_image->get_mipmaps() == 0) {
ERR_FAIL_COND( !w || w % 4 != 0);
ERR_FAIL_COND( !h || h % 4 != 0);
} else {
ERR_FAIL_COND( !w || w !=nearest_power_of_2(w) );
ERR_FAIL_COND( !h || h !=nearest_power_of_2(h) );
};
if (p_image->get_format()>=Image::FORMAT_BC1)
return; //do not compress, already compressed
Image::AlphaMode alpha = p_image->detect_alpha();
Image::Format target_format;
int shift=0;
int squish_comp=squish::kColourRangeFit;
switch(alpha) {
case Image::ALPHA_NONE: target_format = Image::FORMAT_BC1; shift=1; squish_comp|=squish::kDxt1; break;
case Image::ALPHA_BIT: target_format = Image::FORMAT_BC2; squish_comp|=squish::kDxt3; break;
case Image::ALPHA_BLEND: target_format = Image::FORMAT_BC3; squish_comp|=squish::kDxt5; break;
}
p_image->convert(Image::FORMAT_RGBA); //always expects rgba
int mm_count = p_image->get_mipmaps();
DVector<uint8_t> data;
int target_size = Image::get_image_data_size(w,h,target_format,mm_count);
data.resize(target_size);
DVector<uint8_t>::Read rb = p_image->get_data().read();
DVector<uint8_t>::Write wb = data.write();
int dst_ofs=0;
for(int i=0;i<=mm_count;i++) {
int src_ofs = p_image->get_mipmap_offset(i);
squish::CompressImage( &rb[src_ofs],w,h,&wb[dst_ofs],squish_comp);
dst_ofs+=(MAX(4,w)*MAX(4,h))>>shift;
w>>=1;
h>>=1;
}
rb = DVector<uint8_t>::Read();
wb = DVector<uint8_t>::Write();
p_image->create(p_image->get_width(),p_image->get_height(),p_image->get_mipmaps(),target_format,data);
}
void CollisionPolygon2D::_add_to_collision_object(Object *p_obj) {
if (unparenting)
return;
CollisionObject2D *co = p_obj->cast_to<CollisionObject2D>();
ERR_FAIL_COND(!co);
if (polygon.size()==0)
return;
bool solids=build_mode==BUILD_SOLIDS;
if (solids) {
//here comes the sun, lalalala
//decompose concave into multiple convex polygons and add them
Vector< Vector<Vector2> > decomp = Geometry::decompose_polygon(polygon);
for(int i=0;i<decomp.size();i++) {
Ref<ConvexPolygonShape2D> convex = memnew( ConvexPolygonShape2D );
convex->set_points(decomp[i]);
co->add_shape(convex,get_transform());
if (trigger)
co->set_shape_as_trigger(co->get_shape_count()-1,true);
}
} else {
Ref<ConcavePolygonShape2D> concave = memnew( ConcavePolygonShape2D );
DVector<Vector2> segments;
segments.resize(polygon.size()*2);
DVector<Vector2>::Write w=segments.write();
for(int i=0;i<polygon.size();i++) {
w[(i<<1)+0]=polygon[i];
w[(i<<1)+1]=polygon[(i+1)%polygon.size()];
}
w=DVector<Vector2>::Write();
concave->set_segments(segments);
co->add_shape(concave,get_transform());
if (trigger)
co->set_shape_as_trigger(co->get_shape_count()-1,true);
}
//co->add_shape(shape,get_transform());
}
void Shape::add_vertices_to_array(DVector<Vector3> &array, const Transform& p_xform) {
Vector<Vector3> toadd = _gen_debug_mesh_lines();
if (toadd.size()) {
int base=array.size();
array.resize(base+toadd.size());
DVector<Vector3>::Write w = array.write();
for(int i=0;i<toadd.size();i++) {
w[i+base]=p_xform.xform(toadd[i]);
}
}
}
Variant::Variant(const Vector<Vector3>& p_array) {
type=NIL;
DVector<Vector3> v;
int len=p_array.size();
if (len>0) {
v.resize(len);
DVector<Vector3>::Write w = v.write();
const Vector3 *r = p_array.ptr();
for (int i=0;i<len;i++)
w[i]=r[i];
}
*this=v;
}
Variant::operator DVector<Plane>() const {
Array va= operator Array();
DVector<Plane> planes;
int va_size=va.size();
if (va_size==0)
return planes;
planes.resize(va_size);
DVector<Plane>::Write w = planes.write();
for(int i=0;i<va_size;i++)
w[i]=va[i];
return planes;
}
static Ref<Font> make_font2(int p_height,int p_ascent, int p_charcount, const int *p_char_rects,int p_kerning_count,const int *p_kernings,int p_w, int p_h, const unsigned char *p_img) {
Ref<Font> font( memnew( Font ) );
DVector<uint8_t> img;
img.resize(p_w*p_h*2);
{
DVector<uint8_t>::Write w = img.write();
for(int i=0;i<(p_w*p_h*2);i++) {
w[i]=p_img[i];
}
}
Image image(p_w,p_h,0,Image::FORMAT_GRAYSCALE_ALPHA,img);
Ref<ImageTexture> tex = memnew( ImageTexture );
tex->create_from_image(image);
font->add_texture( tex );
for (int i=0;i<p_charcount;i++) {
const int *c = &p_char_rects[i*8];
int chr=c[0];
Rect2 frect;
frect.pos.x=c[1];
frect.pos.y=c[2];
frect.size.x=c[3];
frect.size.y=c[4];
Point2 align( c[6], c[5]);
int advance=c[7];
font->add_char( chr, 0, frect, align,advance );
}
for(int i=0;i<p_kerning_count;i++) {
font->add_kerning_pair(p_kernings[i*3+0],p_kernings[i*3+1],p_kernings[i*3+2]);
}
font->set_height( p_height );
font->set_ascent( p_ascent );
return font;
}
Variant _Marshalls::base64_to_variant(const String& p_str) {
int strlen = p_str.length();
CharString cstr = p_str.ascii();
DVector<uint8_t> buf;
buf.resize(strlen / 4 * 3 + 1);
DVector<uint8_t>::Write w = buf.write();
int len = base64_decode((char*)(&w[0]), (char*)cstr.get_data(), strlen);
Variant v;
Error err = decode_variant(v, &w[0], len);
ERR_FAIL_COND_V( err!=OK, Variant() );
return v;
};
Variant::operator DVector<Face3>() const {
DVector<Vector3> va= operator DVector<Vector3>();
DVector<Face3> faces;
int va_size=va.size();
if (va_size==0)
return faces;
faces.resize(va_size/3);
DVector<Face3>::Write w = faces.write();
DVector<Vector3>::Read r = va.read();
for(int i=0;i<va_size;i++)
w[i/3].vertex[i%3]=r[i];
return faces;
}
Variant ConcavePolygonShape2DSW::get_data() const {
DVector<Vector2> rsegments;
int len = segments.size();
rsegments.resize(len*2);
DVector<Vector2>::Write w = rsegments.write();
for(int i=0;i<len;i++) {
w[(i<<1)+0]=points[segments[i].points[0]];
w[(i<<1)+1]=points[segments[i].points[1]];
}
w=DVector<Vector2>::Write();
return rsegments;
}
void _File::store_var(const Variant& p_var) {
ERR_FAIL_COND(!f);
int len;
Error err = encode_variant(p_var,NULL,len);
ERR_FAIL_COND( err != OK );
DVector<uint8_t> buff;
buff.resize(len);
DVector<uint8_t>::Write w = buff.write();
err = encode_variant(p_var,&w[0],len);
ERR_FAIL_COND( err != OK );
w=DVector<uint8_t>::Write();
store_32(len);
store_buffer(buff);
}
RID VisualServer::get_white_texture() {
if (white_texture.is_valid())
return white_texture;
DVector<uint8_t> wt;
wt.resize(16*3);
{
DVector<uint8_t>::Write w =wt.write();
for(int i=0;i<16*3;i++)
w[i]=255;
}
Image white(4,4,0,Image::FORMAT_RGB,wt);
white_texture=texture_create();
texture_allocate(white_texture,4,4,Image::FORMAT_RGB);
texture_set_data(white_texture,white);
return white_texture;
}
Error PacketPeer::get_packet_buffer(DVector<uint8_t> &r_buffer) const {
const uint8_t *buffer;
int buffer_size;
Error err = get_packet(&buffer,buffer_size);
if (err)
return err;
r_buffer.resize(buffer_size);
if (buffer_size==0)
return OK;
DVector<uint8_t>::Write w = r_buffer.write();
for(int i=0;i<buffer_size;i++)
w[i]=buffer[i];
return OK;
}
Array StreamPeer::_get_data(int p_bytes) {
Array ret;
DVector<uint8_t> data;
data.resize(p_bytes);
if (data.size() != p_bytes) {
ret.push_back(ERR_OUT_OF_MEMORY);
ret.push_back(DVector<uint8_t>());
return ret;
}
DVector<uint8_t>::Write w = data.write();
Error err = get_data(&w[0], p_bytes);
w = DVector<uint8_t>::Write();
ret.push_back(err);
ret.push_back(data);
return ret;
}
Ref<Mesh> Shape::get_debug_mesh() {
if (debug_mesh_cache.is_valid())
return debug_mesh_cache;
Vector<Vector3> lines = _gen_debug_mesh_lines();
debug_mesh_cache = Ref<Mesh>(memnew(Mesh));
if (!lines.empty()) {
//make mesh
DVector<Vector3> array;
array.resize(lines.size());
{
DVector<Vector3>::Write w=array.write();
for(int i=0;i<lines.size();i++) {
w[i]=lines[i];
}
}
Array arr;
arr.resize(Mesh::ARRAY_MAX);
arr[Mesh::ARRAY_VERTEX]=array;
SceneTree *st=OS::get_singleton()->get_main_loop()->cast_to<SceneTree>();
debug_mesh_cache->add_surface(Mesh::PRIMITIVE_LINES,arr);
if (st) {
debug_mesh_cache->surface_set_material(0,st->get_debug_collision_material());
}
}
return debug_mesh_cache;
}
DVector<uint8_t> _File::get_buffer(int p_length) const {
DVector<uint8_t> data;
ERR_FAIL_COND_V(!f,data);
ERR_FAIL_COND_V(p_length<0,data);
if (p_length==0)
return data;
Error err = data.resize(p_length);
ERR_FAIL_COND_V(err!=OK,data);
DVector<uint8_t>::Write w = data.write();
int len = f->get_buffer(&w[0],p_length);
ERR_FAIL_COND_V( len < 0 , DVector<uint8_t>());
w = DVector<uint8_t>::Write();
if (len < p_length)
data.resize(p_length);
return data;
}
DVector<Face3> TriangleMesh::get_faces() const {
if (!valid)
return DVector<Face3>();
DVector<Face3> faces;
int ts = triangles.size();
faces.resize(triangles.size());
DVector<Face3>::Write w=faces.write();
DVector<Triangle>::Read r = triangles.read();
DVector<Vector3>::Read rv = vertices.read();
for(int i=0;i<ts;i++) {
for(int j=0;j<3;j++) {
w[i].vertex[j]=rv[r[i].indices[j]];
}
}
w = DVector<Face3>::Write();
return faces;
}
DVector<Point2> Curve2D::bake(int p_subdivs) const {
int pc = points.size();
DVector<Point2> ret;
if (pc<2)
return ret;
ret.resize((pc-1)*p_subdivs+1);
DVector<Point2>::Write w = ret.write();
const Point *r = points.ptr();
for(int i=0;i<pc;i++) {
int ofs = pc*p_subdivs;
int limit=(i==pc-1)?p_subdivs+1:p_subdivs;
for(int j=0;j<limit;j++) {
Vector2 p0 = r[i].pos;
Vector2 p1 = p0+r[i].out;
Vector2 p3 = r[i].pos;
Vector2 p2 = p3+r[i].in;
real_t t = j/(real_t)p_subdivs;
w[ofs+j]=_bezier_interp(t,p0,p1,p2,p3);
}
}
w = DVector<Point2>::Write();
return ret;
}