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virtualx-engine/scene/resources/dynamic_font.cpp
Juan Linietsky 22d83bc9f6 Begining of GLES3 renderer: 
-Most 2D drawing is implemented
-Missing shaders
-Missing all 3D
-Editor needs to be set on update always to be used, otherwise it does not refresh
-Large parts of editor not working
2016-10-03 21:35:16 +02:00

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/*************************************************************************/
/* dynamic_font.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifdef FREETYPE_ENABLED
#include "dynamic_font.h"
#include "os/file_access.h"
bool DynamicFontData::CacheID::operator< (CacheID right) const{
if (size<right.size)
return true;
if (mipmaps != right.mipmaps)
return right.mipmaps;
if (filter != right.filter)
return right.filter;
return false;
}
Ref<DynamicFontAtSize> DynamicFontData::_get_dynamic_font_at_size(CacheID p_id){
if (size_cache.has(p_id)) {
return Ref<DynamicFontAtSize>( size_cache[p_id] );
}
Ref<DynamicFontAtSize> dfas;
dfas.instance();
dfas->font=Ref<DynamicFontData>( this );
size_cache[p_id]=dfas.ptr();
dfas->id=p_id;
dfas->_load();
return dfas;
}
void DynamicFontData::set_font_ptr(const uint8_t* p_font_mem,int p_font_mem_size) {
font_mem=p_font_mem;
font_mem_size=p_font_mem_size;
}
void DynamicFontData::set_font_path(const String& p_path) {
font_path=p_path;
}
String DynamicFontData::get_font_path() const {
return font_path;
}
void DynamicFontData::set_force_autohinter(bool p_force) {
force_autohinter=p_force;
}
void DynamicFontData::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_font_path","path"),&DynamicFontData::set_font_path);
ObjectTypeDB::bind_method(_MD("get_font_path"),&DynamicFontData::get_font_path);
ADD_PROPERTY(PropertyInfo(Variant::STRING,"font_path",PROPERTY_HINT_FILE,"*.ttf,*.otf"),_SCS("set_font_path"),_SCS("get_font_path"));
}
DynamicFontData::DynamicFontData()
{
force_autohinter=false;
font_mem=NULL;
font_mem_size=0;
}
DynamicFontData::~DynamicFontData()
{
}
////////////////////
Error DynamicFontAtSize::_load() {
int error = FT_Init_FreeType( &library );
ERR_EXPLAIN(TTR("Error initializing FreeType."));
ERR_FAIL_COND_V( error !=0, ERR_CANT_CREATE );
if (font->font_path!=String()) {
FileAccess *f=FileAccess::open(font->font_path,FileAccess::READ);
ERR_FAIL_COND_V(!f,ERR_CANT_OPEN);
memset(&stream,0,sizeof(FT_StreamRec));
stream.base=NULL;
stream.size=f->get_len();
stream.pos=0;
stream.descriptor.pointer=f;
stream.read=_ft_stream_io;
stream.close=_ft_stream_close;
FT_Open_Args fargs;
memset(&fargs,0,sizeof(FT_Open_Args));
fargs.flags=FT_OPEN_STREAM;
fargs.stream=&stream;
error = FT_Open_Face( library,&fargs,0,&face);
} else if (font->font_mem) {
memset(&stream,0,sizeof(FT_StreamRec));
stream.base=(unsigned char*)font->font_mem;
stream.size=font->font_mem_size;
stream.pos=0;
FT_Open_Args fargs;
memset(&fargs,0,sizeof(FT_Open_Args));
fargs.memory_base=(unsigned char*)font->font_mem;
fargs.memory_size=font->font_mem_size;
fargs.flags= FT_OPEN_MEMORY;
fargs.stream=&stream;
error = FT_Open_Face( library,&fargs,0,&face);
} else {
ERR_EXPLAIN("DynamicFont uninitialized");
ERR_FAIL_V(ERR_UNCONFIGURED);
}
//error = FT_New_Face( library, src_path.utf8().get_data(),0,&face );
if ( error == FT_Err_Unknown_File_Format ) {
ERR_EXPLAIN(TTR("Unknown font format."));
FT_Done_FreeType( library );
} else if ( error ) {
ERR_EXPLAIN(TTR("Error loading font."));
FT_Done_FreeType( library );
}
ERR_FAIL_COND_V(error,ERR_FILE_CANT_OPEN);
/*error = FT_Set_Char_Size(face,0,64*size,512,512);
if ( error ) {
FT_Done_FreeType( library );
ERR_EXPLAIN(TTR("Invalid font size."));
ERR_FAIL_COND_V( error, ERR_INVALID_PARAMETER );
}*/
error = FT_Set_Pixel_Sizes(face,0,id.size);
ascent=face->size->metrics.ascender>>6;
descent=-face->size->metrics.descender>>6;
linegap=0;
texture_flags=0;
if (id.mipmaps)
texture_flags|=Texture::FLAG_MIPMAPS;
if (id.filter)
texture_flags|=Texture::FLAG_FILTER;
//print_line("ASCENT: "+itos(ascent)+" descent "+itos(descent)+" hinted: "+itos(face->face_flags&FT_FACE_FLAG_HINTER));
valid=true;
return OK;
}
float DynamicFontAtSize::get_height() const {
return ascent+descent;
}
float DynamicFontAtSize::get_ascent() const {
return ascent;
}
float DynamicFontAtSize::get_descent() const {
return descent;
}
Size2 DynamicFontAtSize::get_char_size(CharType p_char,CharType p_next,const Vector<Ref<DynamicFontAtSize> >& p_fallbacks) const {
if (!valid)
return Size2(1,1);
const_cast<DynamicFontAtSize*>(this)->_update_char(p_char);
const Character *c = char_map.getptr(p_char);
ERR_FAIL_COND_V(!c,Size2());
Size2 ret(0,get_height());
if (!c->found) {
//not found, try in fallbacks
for(int i=0;i<p_fallbacks.size();i++) {
DynamicFontAtSize *fb = const_cast<DynamicFontAtSize*>(p_fallbacks[i].ptr());
if (!fb->valid)
continue;
fb->_update_char(p_char);
const Character *ch = fb->char_map.getptr(p_char);
ERR_CONTINUE(!ch);
if (!ch->found)
continue;
c=ch;
break;
}
//not found, try 0xFFFD to display 'not found'.
if (!c->found) {
const_cast<DynamicFontAtSize*>(this)->_update_char(0xFFFD);
c = char_map.getptr(0xFFFD);
ERR_FAIL_COND_V(!c,Size2());
}
}
if (c->found) {
ret.x=c->advance;
}
if (p_next) {
FT_Vector delta;
FT_Get_Kerning( face, p_char,p_next, FT_KERNING_DEFAULT, &delta );
if (delta.x==0) {
for(int i=0;i<p_fallbacks.size();i++) {
DynamicFontAtSize *fb = const_cast<DynamicFontAtSize*>(p_fallbacks[i].ptr());
if (!fb->valid)
continue;
FT_Get_Kerning( fb->face, p_char,p_next, FT_KERNING_DEFAULT, &delta );
if (delta.x==0)
continue;
ret.x+=delta.x>>6;
break;
}
} else {
ret.x+=delta.x>>6;
}
}
return ret;
}
void DynamicFontAtSize::set_texture_flags(uint32_t p_flags){
texture_flags=p_flags;
for(int i=0;i<textures.size();i++) {
Ref<ImageTexture> &tex = textures[i].texture;
if (!tex.is_null())
tex->set_flags(p_flags);
}
}
float DynamicFontAtSize::draw_char(RID p_canvas_item, const Point2& p_pos, CharType p_char,CharType p_next,const Color& p_modulate,const Vector<Ref<DynamicFontAtSize> >& p_fallbacks) const {
if (!valid)
return 0;
const_cast<DynamicFontAtSize*>(this)->_update_char(p_char);
const Character * c = char_map.getptr(p_char);
float advance=0;
if (!c->found) {
//not found, try in fallbacks
bool used_fallback=false;
for(int i=0;i<p_fallbacks.size();i++) {
DynamicFontAtSize *fb = const_cast<DynamicFontAtSize*>(p_fallbacks[i].ptr());
if (!fb->valid)
continue;
fb->_update_char(p_char);
const Character *ch = fb->char_map.getptr(p_char);
ERR_CONTINUE(!ch);
if (!ch->found)
continue;
Point2 cpos=p_pos;
cpos.x+=ch->h_align;
cpos.y-=get_ascent();
cpos.y+=ch->v_align;
ERR_FAIL_COND_V( ch->texture_idx<-1 || ch->texture_idx>=fb->textures.size(),0);
if (ch->texture_idx!=-1)
VisualServer::get_singleton()->canvas_item_add_texture_rect_region( p_canvas_item, Rect2( cpos, ch->rect.size ), fb->textures[ch->texture_idx].texture->get_rid(),ch->rect, p_modulate );
advance=ch->advance;
used_fallback=true;
break;
}
//not found, try 0xFFFD to display 'not found'.
if (!used_fallback) {
const_cast<DynamicFontAtSize*>(this)->_update_char(0xFFFD);
c = char_map.getptr(0xFFFD);
}
}
if (c->found) {
Point2 cpos=p_pos;
cpos.x+=c->h_align;
cpos.y-=get_ascent();
cpos.y+=c->v_align;
ERR_FAIL_COND_V( c->texture_idx<-1 || c->texture_idx>=textures.size(),0);
if (c->texture_idx!=-1)
VisualServer::get_singleton()->canvas_item_add_texture_rect_region( p_canvas_item, Rect2( cpos, c->rect.size ), textures[c->texture_idx].texture->get_rid(),c->rect, p_modulate );
advance=c->advance;
//textures[c->texture_idx].texture->draw(p_canvas_item,Vector2());
}
if (p_next) {
FT_Vector delta;
FT_Get_Kerning( face, p_char,p_next, FT_KERNING_DEFAULT, &delta );
if (delta.x==0) {
for(int i=0;i<p_fallbacks.size();i++) {
DynamicFontAtSize *fb = const_cast<DynamicFontAtSize*>(p_fallbacks[i].ptr());
if (!fb->valid)
continue;
FT_Get_Kerning( fb->face, p_char,p_next, FT_KERNING_DEFAULT, &delta );
if (delta.x==0)
continue;
advance+=delta.x>>6;
break;
}
} else {
advance+=delta.x>>6;
}
}
return advance;
}
unsigned long DynamicFontAtSize::_ft_stream_io(FT_Stream stream, unsigned long offset, unsigned char* buffer, unsigned long count ) {
FileAccess *f=(FileAccess*)stream->descriptor.pointer;
if (f->get_pos()!=offset) {
f->seek(offset);
}
if (count==0)
return 0;
return f->get_buffer(buffer,count);
}
void DynamicFontAtSize::_ft_stream_close(FT_Stream stream) {
FileAccess *f=(FileAccess*)stream->descriptor.pointer;
f->close();
memdelete(f);
}
void DynamicFontAtSize::_update_char(CharType p_char) {
if (char_map.has(p_char))
return;
_THREAD_SAFE_METHOD_
FT_GlyphSlot slot = face->glyph;
if (FT_Get_Char_Index( face, p_char)==0) {
//not found
Character ch;
ch.texture_idx=-1;
ch.advance=0;
ch.h_align=0;
ch.v_align=0;
ch.found=false;
char_map[p_char]=ch;
return;
}
int error = FT_Load_Char( face, p_char, FT_LOAD_RENDER|(font->force_autohinter?FT_LOAD_FORCE_AUTOHINT:0) );
if (!error) {
error = FT_Render_Glyph( face->glyph, ft_render_mode_normal );
}
if (error) {
int advance=0;
//stbtt_GetCodepointHMetrics(&font->info, p_char, &advance, 0);
//print_line("char has no bitmap: "+itos(p_char)+" but advance is "+itos(advance*scale));
Character ch;
ch.texture_idx=-1;
ch.advance=advance;
ch.h_align=0;
ch.v_align=0;
ch.found=false;
char_map[p_char]=ch;
return;
}
int w = slot->bitmap.width;
int h = slot->bitmap.rows;
//int p = slot->bitmap.pitch;
int yofs=slot->bitmap_top;
int xofs=slot->bitmap_left;
int advance=slot->advance.x>>6;
int mw=w+rect_margin*2;
int mh=h+rect_margin*2;
if (mw>4096 || mh>4096) {
ERR_FAIL_COND(mw>4096);
ERR_FAIL_COND(mh>4096);
}
//find a texture to fit this...
int tex_index=-1;
int tex_x=0;
int tex_y=0;
for(int i=0;i<textures.size();i++) {
CharTexture &ct=textures[i];
if (mw > ct.texture_size || mh > ct.texture_size) //too big for this texture
continue;
tex_y=0x7FFFFFFF;
tex_x=0;
for(int j=0;j<ct.texture_size-mw;j++) {
int max_y=0;
for(int k=j;k<j+mw;k++) {
int y = ct.offsets[k];
if (y>max_y)
max_y=y;
}
if (max_y<tex_y) {
tex_y=max_y;
tex_x=j;
}
}
if (tex_y==0x7FFFFFFF || tex_y+mh > ct.texture_size)
continue; //fail, could not fit it here
tex_index=i;
break;
}
// print_line("CHAR: "+String::chr(p_char)+" TEX INDEX: "+itos(tex_index)+" X: "+itos(tex_x)+" Y: "+itos(tex_y));
if (tex_index==-1) {
//could not find texture to fit, create one
tex_x = 0;
tex_y = 0;
int texsize = MAX(id.size*8,256);
if (mw>texsize)
texsize=mw; //special case, adapt to it?
if (mh>texsize)
texsize=mh; //special case, adapt to it?
texsize=nearest_power_of_2(texsize);
texsize=MIN(texsize,4096);
CharTexture tex;
tex.texture_size=texsize;
tex.imgdata.resize(texsize*texsize*2); //grayscale alpha
{
//zero texture
DVector<uint8_t>::Write w = tex.imgdata.write();
ERR_FAIL_COND(texsize*texsize*2 > tex.imgdata.size());
for(int i=0;i<texsize*texsize*2;i++) {
w[i]=0;
}
}
tex.offsets.resize(texsize);
for(int i=0;i<texsize;i++) //zero offsets
tex.offsets[i]=0;
textures.push_back(tex);
tex_index=textures.size()-1;
}
//fit character in char texture
CharTexture &tex=textures[tex_index];
{
DVector<uint8_t>::Write wr = tex.imgdata.write();
for(int i=0;i<h;i++) {
for(int j=0;j<w;j++) {
int ofs = ( (i+tex_y+rect_margin)*tex.texture_size+j+tex_x+rect_margin)*2;
ERR_FAIL_COND(ofs >= tex.imgdata.size());
wr[ofs+0]=255; //grayscale as 1
wr[ofs+1]=slot->bitmap.buffer[i*slot->bitmap.width+j];
}
}
}
//blit to image and texture
{
Image img(tex.texture_size,tex.texture_size,0,Image::FORMAT_LA8,tex.imgdata);
if (tex.texture.is_null()) {
tex.texture.instance();
tex.texture->create_from_image(img,Texture::FLAG_VIDEO_SURFACE|texture_flags);
} else {
tex.texture->set_data(img); //update
}
}
// update height array
for(int k=tex_x;k<tex_x+mw;k++) {
tex.offsets[k]=tex_y+mh;
}
Character chr;
chr.h_align=xofs;
chr.v_align=ascent-yofs;// + ascent - descent;
chr.advance=advance;
chr.texture_idx=tex_index;
chr.found=true;
chr.rect=Rect2(tex_x+rect_margin,tex_y+rect_margin,w,h);
//print_line("CHAR: "+String::chr(p_char)+" TEX INDEX: "+itos(tex_index)+" RECT: "+chr.rect+" X OFS: "+itos(xofs)+" Y OFS: "+itos(yofs));
char_map[p_char]=chr;
}
DynamicFontAtSize::DynamicFontAtSize() {
valid=false;
rect_margin=1;
ascent=1;
descent=1;
linegap=1;
texture_flags=0;
}
DynamicFontAtSize::~DynamicFontAtSize(){
if (valid) {
FT_Done_FreeType( library );
font->size_cache.erase(id);
}
}
/////////////////////////
void DynamicFont::_reload_cache(){
ERR_FAIL_COND(cache_id.size<1);
if (!data.is_valid())
return;
data_at_size=data->_get_dynamic_font_at_size(cache_id);
for (int i=0;i<fallbacks.size();i++){
fallback_data_at_size[i]=fallbacks[i]->_get_dynamic_font_at_size(cache_id);
}
emit_changed();
_change_notify();
}
void DynamicFont::set_font_data(const Ref<DynamicFontData>& p_data) {
data=p_data;
if (data.is_valid())
data_at_size=data->_get_dynamic_font_at_size(cache_id);
else
data_at_size=Ref<DynamicFontAtSize>();
emit_changed();
}
Ref<DynamicFontData> DynamicFont::get_font_data() const{
return data;
}
void DynamicFont::set_size(int p_size){
if (cache_id.size==p_size)
return;
cache_id.size=p_size;
_reload_cache();
}
int DynamicFont::get_size() const{
return cache_id.size;
}
bool DynamicFont::get_use_mipmaps() const{
return cache_id.mipmaps;
}
void DynamicFont::set_use_mipmaps(bool p_enable){
if (cache_id.mipmaps==p_enable)
return;
cache_id.mipmaps=p_enable;
_reload_cache();
}
bool DynamicFont::get_use_filter() const{
return cache_id.filter;
}
void DynamicFont::set_use_filter(bool p_enable){
if (cache_id.filter==p_enable)
return;
cache_id.filter=p_enable;
_reload_cache();
}
int DynamicFont::get_spacing(int p_type) const{
if (p_type == SPACING_TOP){
return spacing_top;
}else if (p_type == SPACING_BOTTOM){
return spacing_bottom;
}else if (p_type == SPACING_CHAR){
return spacing_char;
}else if (p_type == SPACING_SPACE){
return spacing_space;
}
return 0;
}
void DynamicFont::set_spacing(int p_type, int p_value){
if (p_type == SPACING_TOP){
spacing_top=p_value;
}else if (p_type == SPACING_BOTTOM){
spacing_bottom=p_value;
}else if (p_type == SPACING_CHAR){
spacing_char=p_value;
}else if (p_type == SPACING_SPACE){
spacing_space=p_value;
}
emit_changed();
_change_notify();
}
float DynamicFont::get_height() const{
if (!data_at_size.is_valid())
return 1;
return data_at_size->get_height()+spacing_top+spacing_bottom;
}
float DynamicFont::get_ascent() const{
if (!data_at_size.is_valid())
return 1;
return data_at_size->get_ascent()+spacing_top;
}
float DynamicFont::get_descent() const{
if (!data_at_size.is_valid())
return 1;
return data_at_size->get_descent()+spacing_bottom;
}
Size2 DynamicFont::get_char_size(CharType p_char,CharType p_next) const{
if (!data_at_size.is_valid())
return Size2(1,1);
Size2 ret=data_at_size->get_char_size(p_char,p_next,fallback_data_at_size);
if (p_char==' ')
ret.width+=spacing_space+spacing_char;
else if (p_next)
ret.width+=spacing_char;
return ret;
}
bool DynamicFont::is_distance_field_hint() const{
return false;
}
float DynamicFont::draw_char(RID p_canvas_item, const Point2& p_pos, CharType p_char,CharType p_next,const Color& p_modulate) const {
if (!data_at_size.is_valid())
return 0;
return data_at_size->draw_char(p_canvas_item,p_pos,p_char,p_next,p_modulate,fallback_data_at_size)+spacing_char;
}
void DynamicFont::set_fallback(int p_idx,const Ref<DynamicFontData>& p_data) {
ERR_FAIL_COND(p_data.is_null());
ERR_FAIL_INDEX(p_idx,fallbacks.size());
fallbacks[p_idx]=p_data;
fallback_data_at_size[p_idx]=fallbacks[p_idx]->_get_dynamic_font_at_size(cache_id);
}
void DynamicFont::add_fallback(const Ref<DynamicFontData>& p_data) {
ERR_FAIL_COND(p_data.is_null());
fallbacks.push_back(p_data);
fallback_data_at_size.push_back(fallbacks[fallbacks.size()-1]->_get_dynamic_font_at_size(cache_id)); //const..
_change_notify();
emit_changed();
_change_notify();
}
int DynamicFont::get_fallback_count() const {
return fallbacks.size();
}
Ref<DynamicFontData> DynamicFont::get_fallback(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx,fallbacks.size(),Ref<DynamicFontData>());
return fallbacks[p_idx];
}
void DynamicFont::remove_fallback(int p_idx) {
ERR_FAIL_INDEX(p_idx,fallbacks.size());
fallbacks.remove(p_idx);
fallback_data_at_size.remove(p_idx);
emit_changed();
_change_notify();
}
bool DynamicFont::_set(const StringName& p_name, const Variant& p_value) {
String str = p_name;
if (str.begins_with("fallback/")) {
int idx = str.get_slicec('/',1).to_int();
Ref<DynamicFontData> fd = p_value;
if (fd.is_valid()) {
if (idx==fallbacks.size()) {
add_fallback(fd);
return true;
} else if (idx>=0 && idx<fallbacks.size()) {
set_fallback(idx,fd);
return true;
} else {
return false;
}
} else if (idx>=0 && idx<fallbacks.size()) {
remove_fallback(idx);
return true;
}
}
return false;
}
bool DynamicFont::_get(const StringName& p_name,Variant &r_ret) const{
String str = p_name;
if (str.begins_with("fallback/")) {
int idx = str.get_slicec('/',1).to_int();
if (idx==fallbacks.size()) {
r_ret=Ref<DynamicFontData>();
return true;
} else if (idx>=0 && idx<fallbacks.size()) {
r_ret=get_fallback(idx);
return true;
}
}
return false;
}
void DynamicFont::_get_property_list( List<PropertyInfo> *p_list) const{
for(int i=0;i<fallbacks.size();i++) {
p_list->push_back(PropertyInfo(Variant::OBJECT,"fallback/"+itos(i),PROPERTY_HINT_RESOURCE_TYPE,"DynamicFontData"));
}
p_list->push_back(PropertyInfo(Variant::OBJECT,"fallback/"+itos(fallbacks.size()),PROPERTY_HINT_RESOURCE_TYPE,"DynamicFontData"));
}
void DynamicFont::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_font_data","data:DynamicFontData"),&DynamicFont::set_font_data);
ObjectTypeDB::bind_method(_MD("get_font_data:DynamicFontData"),&DynamicFont::get_font_data);
ObjectTypeDB::bind_method(_MD("set_size","data"),&DynamicFont::set_size);
ObjectTypeDB::bind_method(_MD("get_size"),&DynamicFont::get_size);
ObjectTypeDB::bind_method(_MD("set_use_mipmaps","enable"),&DynamicFont::set_use_mipmaps);
ObjectTypeDB::bind_method(_MD("get_use_mipmaps"),&DynamicFont::get_use_mipmaps);
ObjectTypeDB::bind_method(_MD("set_use_filter","enable"),&DynamicFont::set_use_filter);
ObjectTypeDB::bind_method(_MD("get_use_filter"),&DynamicFont::get_use_filter);
ObjectTypeDB::bind_method(_MD("set_spacing","type","value"),&DynamicFont::set_spacing);
ObjectTypeDB::bind_method(_MD("get_spacing","type"),&DynamicFont::get_spacing);
ObjectTypeDB::bind_method(_MD("add_fallback","data:DynamicFontData"),&DynamicFont::add_fallback);
ObjectTypeDB::bind_method(_MD("set_fallback","idx","data:DynamicFontData"),&DynamicFont::set_fallback);
ObjectTypeDB::bind_method(_MD("get_fallback:DynamicFontData","idx"),&DynamicFont::get_fallback);
ObjectTypeDB::bind_method(_MD("remove_fallback","idx"),&DynamicFont::remove_fallback);
ObjectTypeDB::bind_method(_MD("get_fallback_count"),&DynamicFont::get_fallback_count);
ADD_PROPERTY(PropertyInfo(Variant::INT,"font/size"),_SCS("set_size"),_SCS("get_size"));
ADD_PROPERTYINZ(PropertyInfo(Variant::INT,"extra_spacing/top"),_SCS("set_spacing"),_SCS("get_spacing"),SPACING_TOP);
ADD_PROPERTYINZ(PropertyInfo(Variant::INT,"extra_spacing/bottom"),_SCS("set_spacing"),_SCS("get_spacing"),SPACING_BOTTOM);
ADD_PROPERTYINZ(PropertyInfo(Variant::INT,"extra_spacing/char"),_SCS("set_spacing"),_SCS("get_spacing"),SPACING_CHAR);
ADD_PROPERTYINZ(PropertyInfo(Variant::INT,"extra_spacing/space"),_SCS("set_spacing"),_SCS("get_spacing"),SPACING_SPACE);
ADD_PROPERTY(PropertyInfo(Variant::BOOL,"font/use_mipmaps"),_SCS("set_use_mipmaps"),_SCS("get_use_mipmaps"));
ADD_PROPERTY(PropertyInfo(Variant::BOOL,"font/use_filter"),_SCS("set_use_filter"),_SCS("get_use_filter"));
ADD_PROPERTY(PropertyInfo(Variant::OBJECT,"font/font",PROPERTY_HINT_RESOURCE_TYPE,"DynamicFontData"),_SCS("set_font_data"),_SCS("get_font_data"));
BIND_CONSTANT( SPACING_TOP );
BIND_CONSTANT( SPACING_BOTTOM );
BIND_CONSTANT( SPACING_CHAR );
BIND_CONSTANT( SPACING_SPACE );
}
DynamicFont::DynamicFont() {
spacing_top=0;
spacing_bottom=0;
spacing_char=0;
spacing_space=0;
}
DynamicFont::~DynamicFont() {
}
/////////////////////////
RES ResourceFormatLoaderDynamicFont::load(const String &p_path, const String& p_original_path, Error *r_error) {
if (r_error)
*r_error=ERR_FILE_CANT_OPEN;
Ref<DynamicFontData> dfont;
dfont.instance();;
dfont->set_font_path(p_path);
if (r_error)
*r_error=OK;
return dfont;
}
void ResourceFormatLoaderDynamicFont::get_recognized_extensions(List<String> *p_extensions) const {
p_extensions->push_back("ttf");
p_extensions->push_back("otf");
}
bool ResourceFormatLoaderDynamicFont::handles_type(const String& p_type) const {
return (p_type=="DynamicFontData");
}
String ResourceFormatLoaderDynamicFont::get_resource_type(const String &p_path) const {
String el = p_path.extension().to_lower();
if (el=="ttf" || el=="otf")
return "DynamicFontData";
return "";
}
#endif
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