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godot/tools/editor/io_plugins/editor_font_import_plugin.cpp
Juan Linietsky 0dbedd18fc SceneMainLoop -> SceneTree 
-=-=-=-=-=-=-=-=-=-=-=-=-=-

*YOUR SOURCE MIGHT NOT WORK*
For mor information on fix:
https://github.com/okamstudio/godot/wiki/devel_scene_tree

Other stuff:
-Shower of bullets demo
-Fixes all around
2014-11-05 21:20:42 -03:00

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/*************************************************************************/
/* editor_font_import_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 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. */
/*************************************************************************/
#include "editor_font_import_plugin.h"
#include "scene/gui/dialogs.h"
#include "scene/gui/file_dialog.h"
#include "tools/editor/editor_node.h"
#include "os/file_access.h"
#include "editor_atlas.h"
#include "io/image_loader.h"
#include "io/resource_saver.h"
#ifdef FREETYPE_ENABLED
#include <ft2build.h>
#include FT_FREETYPE_H
#endif
class _EditorFontImportOptions : public Object {
OBJ_TYPE(_EditorFontImportOptions,Object);
public:
enum ColorType {
COLOR_WHITE,
COLOR_CUSTOM,
COLOR_GRADIENT_RANGE,
COLOR_GRADIENT_IMAGE
};
int char_extra_spacing;
int top_extra_spacing;
int bottom_extra_spacing;
int space_extra_spacing;
enum CharacterSet {
CHARSET_ASCII,
CHARSET_LATIN,
CHARSET_UNICODE,
CHARSET_CUSTOM,
CHARSET_CUSTOM_LATIN
};
CharacterSet character_set;
String custom_file;
bool shadow;
Vector2 shadow_offset;
int shadow_radius;
Color shadow_color;
float shadow_transition;
bool shadow2;
Vector2 shadow2_offset;
int shadow2_radius;
Color shadow2_color;
float shadow2_transition;
ColorType color_type;
Color color;
Color gradient_begin;
Color gradient_end;
bool color_use_monochrome;
String gradient_image;
bool disable_filter;
bool round_advance;
bool _set(const StringName& p_name, const Variant& p_value) {
String n = p_name;
if (n=="extra_space/char")
char_extra_spacing=p_value;
else if (n=="extra_space/space")
space_extra_spacing=p_value;
else if (n=="extra_space/top")
top_extra_spacing=p_value;
else if (n=="extra_space/bottom")
bottom_extra_spacing=p_value;
else if (n=="character_set/mode") {
character_set=CharacterSet(int(p_value));
_change_notify();
} else if (n=="character_set/custom")
custom_file=p_value;
else if (n=="shadow/enabled") {
shadow=p_value;
_change_notify();
}else if (n=="shadow/radius")
shadow_radius=p_value;
else if (n=="shadow/offset")
shadow_offset=p_value;
else if (n=="shadow/color")
shadow_color=p_value;
else if (n=="shadow/transition")
shadow_transition=p_value;
else if (n=="shadow2/enabled") {
shadow2=p_value;
_change_notify();
}else if (n=="shadow2/radius")
shadow2_radius=p_value;
else if (n=="shadow2/offset")
shadow2_offset=p_value;
else if (n=="shadow2/color")
shadow2_color=p_value;
else if (n=="shadow2/transition")
shadow2_transition=p_value;
else if (n=="color/mode") {
color_type=ColorType(int(p_value));
_change_notify();
}else if (n=="color/color")
color=p_value;
else if (n=="color/begin")
gradient_begin=p_value;
else if (n=="color/end")
gradient_end=p_value;
else if (n=="color/image")
gradient_image=p_value;
else if (n=="color/monochrome")
color_use_monochrome=p_value;
else if (n=="advanced/round_advance")
round_advance=p_value;
else if (n=="advanced/disable_filter")
disable_filter=p_value;
else
return false;
emit_signal("changed");
return true;
}
bool _get(const StringName& p_name,Variant &r_ret) const{
String n = p_name;
if (n=="extra_space/char")
r_ret=char_extra_spacing;
else if (n=="extra_space/space")
r_ret=space_extra_spacing;
else if (n=="extra_space/top")
r_ret=top_extra_spacing;
else if (n=="extra_space/bottom")
r_ret=bottom_extra_spacing;
else if (n=="character_set/mode")
r_ret=character_set;
else if (n=="character_set/custom")
r_ret=custom_file;
else if (n=="shadow/enabled")
r_ret=shadow;
else if (n=="shadow/radius")
r_ret=shadow_radius;
else if (n=="shadow/offset")
r_ret=shadow_offset;
else if (n=="shadow/color")
r_ret=shadow_color;
else if (n=="shadow/transition")
r_ret=shadow_transition;
else if (n=="shadow2/enabled")
r_ret=shadow2;
else if (n=="shadow2/radius")
r_ret=shadow2_radius;
else if (n=="shadow2/offset")
r_ret=shadow2_offset;
else if (n=="shadow2/color")
r_ret=shadow2_color;
else if (n=="shadow2/transition")
r_ret=shadow2_transition;
else if (n=="color/mode")
r_ret=color_type;
else if (n=="color/color")
r_ret=color;
else if (n=="color/begin")
r_ret=gradient_begin;
else if (n=="color/end")
r_ret=gradient_end;
else if (n=="color/image")
r_ret=gradient_image;
else if (n=="color/monochrome")
r_ret=color_use_monochrome;
else if (n=="advanced/round_advance")
r_ret=round_advance;
else if (n=="advanced/disable_filter")
r_ret=disable_filter;
else
return false;
return true;
}
void _get_property_list( List<PropertyInfo> *p_list) const{
p_list->push_back(PropertyInfo(Variant::INT,"extra_space/char",PROPERTY_HINT_RANGE,"-64,64,1"));
p_list->push_back(PropertyInfo(Variant::INT,"extra_space/space",PROPERTY_HINT_RANGE,"-64,64,1"));
p_list->push_back(PropertyInfo(Variant::INT,"extra_space/top",PROPERTY_HINT_RANGE,"-64,64,1"));
p_list->push_back(PropertyInfo(Variant::INT,"extra_space/bottom",PROPERTY_HINT_RANGE,"-64,64,1"));
p_list->push_back(PropertyInfo(Variant::INT,"character_set/mode",PROPERTY_HINT_ENUM,"Ascii,Latin,Unicode,Custom,Custom&Latin"));
if (character_set>=CHARSET_CUSTOM)
p_list->push_back(PropertyInfo(Variant::STRING,"character_set/custom",PROPERTY_HINT_FILE));
p_list->push_back(PropertyInfo(Variant::BOOL,"shadow/enabled"));
if (shadow) {
p_list->push_back(PropertyInfo(Variant::INT,"shadow/radius",PROPERTY_HINT_RANGE,"-64,64,1"));
p_list->push_back(PropertyInfo(Variant::VECTOR2,"shadow/offset"));
p_list->push_back(PropertyInfo(Variant::COLOR,"shadow/color"));
p_list->push_back(PropertyInfo(Variant::REAL,"shadow/transition",PROPERTY_HINT_EXP_EASING));
}
p_list->push_back(PropertyInfo(Variant::BOOL,"shadow2/enabled"));
if (shadow2) {
p_list->push_back(PropertyInfo(Variant::INT,"shadow2/radius",PROPERTY_HINT_RANGE,"-64,64,1"));
p_list->push_back(PropertyInfo(Variant::VECTOR2,"shadow2/offset"));
p_list->push_back(PropertyInfo(Variant::COLOR,"shadow2/color"));
p_list->push_back(PropertyInfo(Variant::REAL,"shadow2/transition",PROPERTY_HINT_EXP_EASING));
}
p_list->push_back(PropertyInfo(Variant::INT,"color/mode",PROPERTY_HINT_ENUM,"White,Color,Gradient,Gradient Image"));
if (color_type==COLOR_CUSTOM) {
p_list->push_back(PropertyInfo(Variant::COLOR,"color/color"));
}
if (color_type==COLOR_GRADIENT_RANGE) {
p_list->push_back(PropertyInfo(Variant::COLOR,"color/begin"));
p_list->push_back(PropertyInfo(Variant::COLOR,"color/end"));
}
if (color_type==COLOR_GRADIENT_IMAGE) {
p_list->push_back(PropertyInfo(Variant::STRING,"color/image",PROPERTY_HINT_FILE));
}
p_list->push_back(PropertyInfo(Variant::BOOL,"color/monochrome"));
p_list->push_back(PropertyInfo(Variant::BOOL,"advanced/round_advance"));
p_list->push_back(PropertyInfo(Variant::BOOL,"advanced/disable_filter"));
}
static void _bind_methods() {
ADD_SIGNAL( MethodInfo("changed"));
}
void reset() {
char_extra_spacing=0;
top_extra_spacing=0;
bottom_extra_spacing=0;
space_extra_spacing=0;
character_set=CHARSET_LATIN;
shadow=false;
shadow_radius=2;
shadow_color=Color(0,0,0,0.3);
shadow_transition=1.0;
shadow2=false;
shadow2_radius=2;
shadow2_color=Color(0,0,0,0.3);
shadow2_transition=1.0;
color_type=COLOR_WHITE;
color=Color(1,1,1,1);
gradient_begin=Color(1,1,1,1);
gradient_end=Color(0.5,0.5,0.5,1);
color_use_monochrome=false;
round_advance=true;
disable_filter=false;
}
_EditorFontImportOptions() {
char_extra_spacing=0;
top_extra_spacing=0;
bottom_extra_spacing=0;
space_extra_spacing=0;
character_set=CHARSET_LATIN;
shadow=false;
shadow_radius=2;
shadow_color=Color(0,0,0,0.3);
shadow_transition=1.0;
shadow2=false;
shadow2_radius=2;
shadow2_color=Color(0,0,0,0.3);
shadow2_transition=1.0;
color_type=COLOR_WHITE;
color=Color(1,1,1,1);
gradient_begin=Color(1,1,1,1);
gradient_end=Color(0.5,0.5,0.5,1);
color_use_monochrome=false;
round_advance=true;
disable_filter=false;
}
};
class EditorFontImportDialog : public ConfirmationDialog {
OBJ_TYPE(EditorFontImportDialog, ConfirmationDialog);
LineEditFileChooser *source;
LineEditFileChooser *dest;
SpinBox *font_size;
LineEdit *test_string;
ColorPickerButton *test_color;
Label *test_label;
PropertyEditor *prop_edit;
Timer *timer;
ConfirmationDialog *error_dialog;
Ref<ResourceImportMetadata> get_rimd() {
Ref<ResourceImportMetadata> imd = memnew( ResourceImportMetadata );
List<PropertyInfo> pl;
options->_get_property_list(&pl);
for(List<PropertyInfo>::Element *E=pl.front();E;E=E->next()) {
Variant v;
String opt=E->get().name;
options->_get(opt,v);
if (opt=="color/image" || opt=="character_set/custom") {
v = EditorImportPlugin::validate_source_path(v);
}
imd->set_option(opt,v);
}
imd->add_source(EditorImportPlugin::validate_source_path(source->get_line_edit()->get_text()));
imd->set_option("font/size",font_size->get_val());
return imd;
}
void _src_changed(String) {
_prop_changed();
}
void _update_text2(String) {
_update_text();
}
void _update_text3(Color) {
_update_text();
}
void _update_text() {
test_label->set_text("");
test_label->set_text(test_string->get_text());
test_label->add_color_override("font_color",test_color->get_color());
}
void _update() {
Ref<ResourceImportMetadata> imd = get_rimd();
Ref<Font> font = plugin->generate_font(imd);
test_label->add_font_override("font",font);
_update_text();
}
void _font_size_changed(double) {
_prop_changed();
}
void _prop_changed() {
timer->start();
}
void _import_inc(String p_font) {
Ref<Font> font = ResourceLoader::load(p_font);
if (!font.is_valid())
return;
Ref<ImageTexture> tex = font->get_texture(0);
if (tex.is_null())
return;
FileAccessRef f=FileAccess::open(p_font.basename()+".inc",FileAccess::WRITE);
Vector<CharType> ck = font->get_char_keys();
f->store_line("static const int _builtin_font_height="+itos(font->get_height())+";");
f->store_line("static const int _builtin_font_ascent="+itos(font->get_ascent())+";");
f->store_line("static const int _builtin_font_charcount="+itos(ck.size())+";");
f->store_line("static const int _builtin_font_charrects["+itos(ck.size())+"][8]={");
f->store_line("/* charidx , ofs_x, ofs_y, size_x, size_y, valign, halign, advance */");
for(int i=0;i<ck.size();i++) {
CharType k=ck[i];
Font::Character c=font->get_character(k);
f->store_line("{"+itos(k)+","+rtos(c.rect.pos.x)+","+rtos(c.rect.pos.y)+","+rtos(c.rect.size.x)+","+rtos(c.rect.size.y)+","+rtos(c.v_align)+","+rtos(c.h_align)+","+rtos(c.advance)+"},");
}
f->store_line("};");
Vector<Font::KerningPairKey> kp=font->get_kerning_pair_keys();
f->store_line("static const int _builtin_font_kerning_pair_count="+itos(kp.size())+";");
f->store_line("static const int _builtin_font_kerning_pairs["+itos(kp.size())+"][3]={");
for(int i=0;i<kp.size();i++) {
int d = font->get_kerning_pair(kp[i].A,kp[i].B);
f->store_line("{"+itos(kp[i].A)+","+itos(kp[i].B)+","+itos(d)+"},");
}
f->store_line("};");
Image img = tex->get_data();
f->store_line("static const int _builtin_font_img_width="+itos(img.get_width())+";");
f->store_line("static const int _builtin_font_img_height="+itos(img.get_height())+";");
f->store_line("static const unsigned char _builtin_font_img_data["+itos(img.get_width()*img.get_height()*2)+"]={");
for(int i=0;i<img.get_height();i++) {
for(int j=0;j<img.get_width();j++) {
Color c = img.get_pixel(j,i);
int v = CLAMP(((c.r+c.g+c.b)/3.0)*255,0,255);
int a = CLAMP(c.a*255,0,255);
f->store_line(itos(v)+","+itos(a)+",");
}
}
f->store_line("};");
}
void _import() {
if (source->get_line_edit()->get_text()=="") {
error_dialog->set_text("No source font file!");
error_dialog->popup_centered(Size2(200,100));
return;
}
if (dest->get_line_edit()->get_text()=="") {
error_dialog->set_text("No target font resource!");
error_dialog->popup_centered(Size2(200,100));
return;
}
Ref<ResourceImportMetadata> rimd = get_rimd();
if (rimd.is_null()) {
error_dialog->set_text("Can't load/process source font");
error_dialog->popup_centered(Size2(200,100));
return;
}
Error err = plugin->import(dest->get_line_edit()->get_text(),rimd);
if (err!=OK) {
error_dialog->set_text("Could't save font.");
error_dialog->popup_centered(Size2(200,100));
return;
}
//_import_inc(dest->get_line_edit()->get_text());
hide();
}
EditorFontImportPlugin *plugin;
_EditorFontImportOptions *options;
static void _bind_methods() {
ObjectTypeDB::bind_method("_update",&EditorFontImportDialog::_update);
ObjectTypeDB::bind_method("_update_text",&EditorFontImportDialog::_update_text);
ObjectTypeDB::bind_method("_update_text2",&EditorFontImportDialog::_update_text2);
ObjectTypeDB::bind_method("_update_text3",&EditorFontImportDialog::_update_text3);
ObjectTypeDB::bind_method("_prop_changed",&EditorFontImportDialog::_prop_changed);
ObjectTypeDB::bind_method("_src_changed",&EditorFontImportDialog::_src_changed);
ObjectTypeDB::bind_method("_font_size_changed",&EditorFontImportDialog::_font_size_changed);
ObjectTypeDB::bind_method("_import",&EditorFontImportDialog::_import);
}
public:
void _notification(int p_what) {
if (p_what==NOTIFICATION_ENTER_TREE) {
prop_edit->edit(options);
_update_text();
}
}
void popup_import(const String& p_path) {
popup_centered(Size2(600,500));
if (p_path!="") {
Ref<ResourceImportMetadata> rimd = ResourceLoader::load_import_metadata(p_path);
ERR_FAIL_COND(!rimd.is_valid());
dest->get_line_edit()->set_text(p_path);
List<String> opts;
rimd->get_options(&opts);
options->reset();
for(List<String>::Element *E=opts.front();E;E=E->next()) {
options->_set(E->get(),rimd->get_option(E->get()));
}
String src = "";
for(int i=0;i<rimd->get_source_count();i++) {
if (i>0)
src+=",";
src+=EditorImportPlugin::expand_source_path(rimd->get_source_path(i));
}
source->get_line_edit()->set_text(src);
font_size->set_val(rimd->get_option("font/size"));
}
}
EditorFontImportDialog(EditorFontImportPlugin *p_plugin) {
plugin=p_plugin;
VBoxContainer *vbc = memnew( VBoxContainer );
add_child(vbc);
set_child_rect(vbc);
HBoxContainer *hbc = memnew( HBoxContainer);
vbc->add_child(hbc);
VBoxContainer *vbl = memnew( VBoxContainer );
hbc->add_child(vbl);
hbc->set_v_size_flags(SIZE_EXPAND_FILL);
vbl->set_h_size_flags(SIZE_EXPAND_FILL);
VBoxContainer *vbr = memnew( VBoxContainer );
hbc->add_child(vbr);
vbr->set_h_size_flags(SIZE_EXPAND_FILL);
source = memnew( LineEditFileChooser );
source->get_file_dialog()->set_access(FileDialog::ACCESS_FILESYSTEM);
source->get_file_dialog()->set_mode(FileDialog::MODE_OPEN_FILE);
source->get_file_dialog()->add_filter("*.ttf;TrueType");
source->get_file_dialog()->add_filter("*.otf;OpenType");
source->get_line_edit()->connect("text_entered",this,"_src_changed");
vbl->add_margin_child("Source Font:",source);
font_size = memnew( SpinBox );
vbl->add_margin_child("Source Font Size:",font_size);
font_size->set_min(3);
font_size->set_max(256);
font_size->set_val(16);
font_size->connect("value_changed",this,"_font_size_changed");
dest = memnew( LineEditFileChooser );
//
List<String> fl;
Ref<Font> font= memnew(Font);
dest->get_file_dialog()->add_filter("*.fnt ; Font" );
//ResourceSaver::get_recognized_extensions(font,&fl);
//for(List<String>::Element *E=fl.front();E;E=E->next()) {
// dest->get_file_dialog()->add_filter("*."+E->get());
//}
vbl->add_margin_child("Dest Resource:",dest);
HBoxContainer *testhb = memnew( HBoxContainer );
test_string = memnew( LineEdit );
test_string->set_text("The quick brown fox jumps over the lazy dog.");
test_string->set_h_size_flags(SIZE_EXPAND_FILL);
test_string->set_stretch_ratio(5);
testhb->add_child(test_string);
test_color = memnew( ColorPickerButton );
test_color->set_color(get_color("font_color","Label"));
test_color->set_h_size_flags(SIZE_EXPAND_FILL);
test_color->set_stretch_ratio(1);
test_color->connect("color_changed",this,"_update_text3");
testhb->add_child(test_color);
vbl->add_spacer();
vbl->add_margin_child("Test: ",testhb);
HBoxContainer *upd_hb = memnew( HBoxContainer );
// vbl->add_child(upd_hb);
upd_hb->add_spacer();
Button *update = memnew( Button);
upd_hb->add_child(update);
update->set_text("Update");
update->connect("pressed",this,"_update");
options = memnew( _EditorFontImportOptions );
prop_edit = memnew( PropertyEditor() );
vbr->add_margin_child("Options:",prop_edit,true);
options->connect("changed",this,"_prop_changed");
prop_edit->hide_top_label();
Panel *panel = memnew( Panel );
vbc->add_child(panel);
test_label = memnew( Label );
test_label->set_autowrap(true);
panel->add_child(test_label);
test_label->set_area_as_parent_rect();
panel->set_v_size_flags(SIZE_EXPAND_FILL);
test_string->connect("text_changed",this,"_update_text2");
set_title("Font Import");
timer = memnew( Timer );
add_child(timer);
timer->connect("timeout",this,"_update");
timer->set_wait_time(0.4);
timer->set_one_shot(true);
get_ok()->connect("pressed", this,"_import");
get_ok()->set_text("Import");
error_dialog = memnew ( ConfirmationDialog );
add_child(error_dialog);
error_dialog->get_ok()->set_text("Accept");
set_hide_on_ok(false);
}
~EditorFontImportDialog() {
memdelete(options);
}
};
///////////////////////////////////////
struct _EditorFontData {
Vector<uint8_t> bitmap;
int width,height;
int ofs_x; //ofset to center, from ABOVE
int ofs_y; //ofset to begining, from LEFT
int valign; //vertical alignment
int halign;
float advance;
int character;
int glyph;
int texture;
Image blit;
Point2i blit_ofs;
// bool printable;
};
struct _EditorFontDataSort {
bool operator()(const _EditorFontData *p_A,const _EditorFontData *p_B) const {
return p_A->height > p_B->height;
};
};
struct _EditorKerningKey {
CharType A,B;
bool operator<(const _EditorKerningKey& p_k) const { return (A==p_k.A)?(B<p_k.B):(A<p_k.A); }
};
Ref<Font> EditorFontImportPlugin::generate_font(const Ref<ResourceImportMetadata>& p_from, const String &p_existing) {
Ref<ResourceImportMetadata> from = p_from;
ERR_FAIL_COND_V(from->get_source_count()!=1,Ref<Font>());
String src_path = EditorImportPlugin::expand_source_path(from->get_source_path(0));
int size = from->get_option("font/size");
#ifdef FREETYPE_ENABLED
FT_Library library; /* handle to library */
FT_Face face; /* handle to face object */
Vector<_EditorFontData*> font_data_list;
int error = FT_Init_FreeType( &library );
ERR_EXPLAIN("Error initializing FreeType.");
ERR_FAIL_COND_V( error !=0, Ref<Font>() );
print_line("loadfrom: "+src_path);
error = FT_New_Face( library, src_path.utf8().get_data(),0,&face );
if ( error == FT_Err_Unknown_File_Format ) {
ERR_EXPLAIN("Unknown font format.");
FT_Done_FreeType( library );
} else if ( error ) {
ERR_EXPLAIN("Error loading font.");
FT_Done_FreeType( library );
}
ERR_FAIL_COND_V(error,Ref<Font>());
int height=0;
int ascent=0;
int font_spacing=0;
error = FT_Set_Char_Size(face,0,64*size,512,512);
if ( error ) {
FT_Done_FreeType( library );
ERR_EXPLAIN("Invalid font size. ");
ERR_FAIL_COND_V( error,Ref<Font>() );
}
error = FT_Set_Pixel_Sizes(face,0,size);
FT_GlyphSlot slot = face->glyph;
// error = FT_Set_Charmap(face,ft_encoding_unicode ); /* encoding.. */
/* PRINT CHARACTERS TO INDIVIDUAL BITMAPS */
// int space_size=5; //size for space, if none found.. 5!
// int min_valign=500; //some ridiculous number
FT_ULong charcode;
FT_UInt gindex;
int max_up=-1324345; ///gibberish
int max_down=124232;
Map<_EditorKerningKey,int> kerning_map;
charcode = FT_Get_First_Char( face, &gindex );
Set<CharType> import_chars;
int import_mode = from->get_option("character_set/mode");
bool round_advance = from->get_option("advanced/round_advance");
if (import_mode>=_EditorFontImportOptions::CHARSET_CUSTOM) {
//load from custom text
String path = from->get_option("character_set/custom");
FileAccess *fa = FileAccess::open(EditorImportPlugin::expand_source_path(path),FileAccess::READ);
if ( !fa ) {
FT_Done_FreeType( library );
ERR_EXPLAIN("Invalid font custom source. ");
ERR_FAIL_COND_V( !fa,Ref<Font>() );
}
while(!fa->eof_reached()) {
String line = fa->get_line();
for(int i=0;i<line.length();i++) {
import_chars.insert(line[i]);
}
}
if (import_mode==_EditorFontImportOptions::CHARSET_CUSTOM_LATIN) {
for(int i=32;i<128;i++)
import_chars.insert(i);
}
memdelete(fa);
}
int xsize=0;
while ( gindex != 0 )
{
bool skip=false;
error = FT_Load_Char( face, charcode, FT_LOAD_RENDER );
if (error) skip=true;
else error = FT_Render_Glyph( face->glyph, ft_render_mode_normal );
if (error) {
skip=true;
} else if (!skip) {
switch(import_mode) {
case _EditorFontImportOptions::CHARSET_ASCII: skip = charcode>127; break;
case _EditorFontImportOptions::CHARSET_LATIN: skip = charcode>255 ;break;
case _EditorFontImportOptions::CHARSET_UNICODE: break; //none
case _EditorFontImportOptions::CHARSET_CUSTOM:
case _EditorFontImportOptions::CHARSET_CUSTOM_LATIN: skip = !import_chars.has(charcode); break;
}
}
if (charcode<=32) //??
skip=true;
if (skip) {
charcode=FT_Get_Next_Char(face,charcode,&gindex);
continue;
}
_EditorFontData * fdata = memnew( _EditorFontData );
fdata->bitmap.resize( slot->bitmap.width*slot->bitmap.rows );
fdata->width=slot->bitmap.width;
fdata->height=slot->bitmap.rows;
fdata->character=charcode;
fdata->glyph=FT_Get_Char_Index(face,charcode);
if (charcode=='x')
xsize=slot->bitmap.width;
if (charcode<127) {
if (slot->bitmap_top>max_up) {
max_up=slot->bitmap_top;
}
if ( (slot->bitmap_top - fdata->height)<max_down ) {
max_down=slot->bitmap_top - fdata->height;
}
}
fdata->valign=slot->bitmap_top;
fdata->halign=slot->bitmap_left;
if (round_advance)
fdata->advance=(slot->advance.x+(1<<5))>>6;
else
fdata->advance=slot->advance.x/float(1<<6);
fdata->advance+=font_spacing;
for (int i=0;i<slot->bitmap.width;i++) {
for (int j=0;j<slot->bitmap.rows;j++) {
fdata->bitmap[j*slot->bitmap.width+i]=slot->bitmap.buffer[j*slot->bitmap.width+i];
}
}
font_data_list.push_back(fdata);
charcode=FT_Get_Next_Char(face,charcode,&gindex);
// printf("reading char %i\n",charcode);
}
/* SPACE */
_EditorFontData *spd = memnew( _EditorFontData );
spd->advance=0;
spd->character=' ';
spd->halign=0;
spd->valign=0;
spd->width=0;
spd->height=0;
spd->ofs_x=0;
spd->ofs_y=0;
if (!FT_Load_Char( face, ' ', FT_LOAD_RENDER ) && !FT_Render_Glyph( face->glyph, ft_render_mode_normal )) {
spd->advance = slot->advance.x>>6; //round to nearest or store as float
spd->advance+=font_spacing;
} else {
spd->advance=xsize;
spd->advance+=font_spacing;
}
font_data_list.push_back(spd);
Set<CharType> exported;
for (int i=0; i<font_data_list.size(); i++) {
exported.insert(font_data_list[i]->character);
};
int missing = 0;
for(Set<CharType>::Element *E=import_chars.front();E;E=E->next()) {
CharType c = E->get();
if (!exported.has(c)) {
CharType str[2] = {c, 0};
printf("** Warning: character %i (%ls) not exported\n", (int)c, str);
++missing;
};
};
print_line("total_chars: "+itos(font_data_list.size()));
/* KERNING */
for(int i=0;i<font_data_list.size();i++) {
if (font_data_list[i]->character>512)
continue;
for(int j=0;j<font_data_list.size();j++) {
if (font_data_list[j]->character>512)
continue;
FT_Vector delta;
FT_Get_Kerning( face, font_data_list[i]->glyph,font_data_list[j]->glyph, FT_KERNING_DEFAULT, &delta );
if (delta.x!=0) {
_EditorKerningKey kpk;
kpk.A = font_data_list[i]->character;
kpk.B = font_data_list[j]->character;
int kern = ((-delta.x)+(1<<5))>>6;
if (kern==0)
continue;
kerning_map[kpk]=kern;
}
}
}
height=max_up-max_down;
ascent=max_up;
/* FIND OUT WHAT THE FONT HEIGHT FOR THIS IS */
/* ADJUST THE VALIGN FOR EACH CHARACTER */
for (int i=0;i<(int)font_data_list.size();i++) {
font_data_list[i]->valign=max_up-font_data_list[i]->valign;
}
/* ADD THE SPACEBAR CHARACTER */
/*
_EditorFontData * fdata = new _EditorFontData;
fdata->character=32;
fdata->bitmap=0;
fdata->width=xsize;
fdata->height=1;
fdata->valign=0;
font_data_list.push_back(fdata);
*/
/* SORT BY HEIGHT, SO THEY FIT BETTER ON THE TEXTURE */
font_data_list.sort_custom<_EditorFontDataSort>();
Color *color=memnew_arr(Color,height);
int gradient_type=from->get_option("color/mode");
switch(gradient_type) {
case _EditorFontImportOptions::COLOR_WHITE: {
for(int i=0;i<height;i++){
color[i]=Color(1,1,1,1);
}
} break;
case _EditorFontImportOptions::COLOR_CUSTOM: {
Color cc = from->get_option("color/color");
for(int i=0;i<height;i++){
color[i]=cc;
}
} break;
case _EditorFontImportOptions::COLOR_GRADIENT_RANGE: {
Color src=from->get_option("color/begin");
Color to=from->get_option("color/end");
for(int i=0;i<height;i++){
color[i]=src.linear_interpolate(to,i/float(height));
}
} break;
case _EditorFontImportOptions::COLOR_GRADIENT_IMAGE: {
String fp = EditorImportPlugin::expand_source_path(from->get_option("color/image"));
Image img;
Error err = ImageLoader::load_image(fp,&img);
if (err==OK) {
for(int i=0;i<height;i++){
color[i]=img.get_pixel(0,i*img.get_height()/height);
}
} else {
for(int i=0;i<height;i++){
color[i]=Color(1,1,1,1);
}
}
} break;
}
for(int i=0;i<font_data_list.size();i++) {
if (font_data_list[i]->bitmap.size()==0)
continue;
int margin[4]={0,0,0,0};
if (from->get_option("shadow/enabled").operator bool()) {
int r=from->get_option("shadow/radius");
Point2i ofs=Point2(from->get_option("shadow/offset"));
margin[ MARGIN_LEFT ] = MAX( r - ofs.x, 0);
margin[ MARGIN_RIGHT ] = MAX( r + ofs.x, 0);
margin[ MARGIN_TOP ] = MAX( r - ofs.y, 0);
margin[ MARGIN_BOTTOM ] = MAX( r + ofs.y, 0);
}
if (from->get_option("shadow2/enabled").operator bool()) {
int r=from->get_option("shadow2/radius");
Point2i ofs=Point2(from->get_option("shadow2/offset"));
margin[ MARGIN_LEFT ] = MAX( r - ofs.x, margin[ MARGIN_LEFT ]);
margin[ MARGIN_RIGHT ] = MAX( r + ofs.x, margin[ MARGIN_RIGHT ]);
margin[ MARGIN_TOP ] = MAX( r - ofs.y, margin[ MARGIN_TOP ]);
margin[ MARGIN_BOTTOM ] = MAX( r + ofs.y, margin[ MARGIN_BOTTOM ]);
}
Size2i s;
s.width=font_data_list[i]->width+margin[MARGIN_LEFT]+margin[MARGIN_RIGHT];
s.height=font_data_list[i]->height+margin[MARGIN_TOP]+margin[MARGIN_BOTTOM];
Point2i o;
o.x=margin[MARGIN_LEFT];
o.y=margin[MARGIN_TOP];
int ow=font_data_list[i]->width;
int oh=font_data_list[i]->height;
DVector<uint8_t> pixels;
pixels.resize(s.x*s.y*4);
DVector<uint8_t>::Write w = pixels.write();
print_line("val: "+itos(font_data_list[i]->valign));
for(int y=0;y<s.height;y++) {
int yc=CLAMP(y-o.y+font_data_list[i]->valign,0,height-1);
Color c=color[yc];
c.a=0;
for(int x=0;x<s.width;x++) {
int ofs=y*s.x+x;
w[ofs*4+0]=c.r*255.0;
w[ofs*4+1]=c.g*255.0;
w[ofs*4+2]=c.b*255.0;
w[ofs*4+3]=c.a*255.0;
}
}
for(int si=0;si<2;si++) {
#define S_VAR(m_v) (String(si==0?"shadow/":"shadow2/")+m_v)
if (from->get_option(S_VAR("enabled")).operator bool()) {
int r = from->get_option(S_VAR("radius"));
Color sc = from->get_option(S_VAR("color"));
Point2i so=Point2(from->get_option(S_VAR("offset")));
float tr = from->get_option(S_VAR("transition"));
print_line("shadow enabled: "+itos(si));
Vector<uint8_t> s2buf;
s2buf.resize(s.x*s.y);
uint8_t *wa=s2buf.ptr();
for(int j=0;j<s.x*s.y;j++){
wa[j]=0;
}
// blit shadowa
for(int x=0;x<ow;x++) {
for(int y=0;y<oh;y++) {
int ofs = (o.y+y+so.y)*s.x+x+o.x+so.x;
wa[ofs]=font_data_list[i]->bitmap[y*ow+x];
}
}
//blur shadow2 with separatable convolution
if (r>0) {
Vector<uint8_t> pixels2;
pixels2.resize(s2buf.size());
uint8_t *w2=pixels2.ptr();
//vert
for(int x=0;x<s.width;x++) {
for(int y=0;y<s.height;y++) {
int ofs = y*s.width+x;
int sum=wa[ofs];
for(int k=1;k<=r;k++) {
int ofs_d=MIN(y+k,s.height-1)*s.width+x;
int ofs_u=MAX(y-k,0)*s.width+x;
sum+=wa[ofs_d];
sum+=wa[ofs_u];
}
w2[ofs]=sum/(r*2+1);
}
}
//horiz
for(int x=0;x<s.width;x++) {
for(int y=0;y<s.height;y++) {
int ofs = y*s.width+x;
int sum=w2[ofs];
for(int k=1;k<=r;k++) {
int ofs_r=MIN(x+k,s.width-1)+s.width*y;
int ofs_l=MAX(x-k,0)+s.width*y;
sum+=w2[ofs_r];
sum+=w2[ofs_l];
}
wa[ofs]=Math::pow(float(sum/(r*2+1))/255.0,tr)*255.0;
}
}
}
//blend back
for(int j=0;j<s.x*s.y;j++){
Color wd(w[j*4+0]/255.0,w[j*4+1]/255.0,w[j*4+2]/255.0,w[j*4+3]/255.0);
Color ws(sc.r,sc.g,sc.b,sc.a*(wa[j]/255.0));
Color b = wd.blend(ws);
w[j*4+0]=b.r*255.0;
w[j*4+1]=b.g*255.0;
w[j*4+2]=b.b*255.0;
w[j*4+3]=b.a*255.0;
}
}
}
for(int y=0;y<oh;y++) {
int yc=CLAMP(y+font_data_list[i]->valign,0,height-1);
Color sc=color[yc];
for(int x=0;x<ow;x++) {
int ofs = (o.y+y)*s.x+x+o.x;
float c = font_data_list[i]->bitmap[y*ow+x]/255.0;
Color src_col=sc;
src_col.a*=c;
Color dst_col(w[ofs*4+0]/255.0,w[ofs*4+1]/255.0,w[ofs*4+2]/255.0,w[ofs*4+3]/255.0);
dst_col = dst_col.blend(src_col);
w[ofs*4+0]=dst_col.r*255.0;
w[ofs*4+1]=dst_col.g*255.0;
w[ofs*4+2]=dst_col.b*255.0;
w[ofs*4+3]=dst_col.a*255.0;
}
}
w=DVector<uint8_t>::Write();
Image img(s.width,s.height,0,Image::FORMAT_RGBA,pixels);
font_data_list[i]->blit=img;
font_data_list[i]->blit_ofs=o;
}
//make atlas
int spacing=2;
Vector<Size2i> sizes;
sizes.resize(font_data_list.size());
for(int i=0;i<font_data_list.size();i++) {
sizes[i]=Size2(font_data_list[i]->blit.get_width()+spacing*2,font_data_list[i]->blit.get_height()+spacing*2);
}
Vector<Point2i> res;
Size2i res_size;
EditorAtlas::fit(sizes,res,res_size);
res_size.x=nearest_power_of_2(res_size.x);
res_size.y=nearest_power_of_2(res_size.y);
print_line("Atlas size: "+res_size);
Image atlas(res_size.x,res_size.y,0,Image::FORMAT_RGBA);
for(int i=0;i<font_data_list.size();i++) {
if (font_data_list[i]->bitmap.size()==0)
continue;
atlas.blit_rect(font_data_list[i]->blit,Rect2(0,0,font_data_list[i]->blit.get_width(),font_data_list[i]->blit.get_height()),res[i]+Size2(spacing,spacing));
font_data_list[i]->ofs_x=res[i].x+spacing;
font_data_list[i]->ofs_y=res[i].y+spacing;
}
if (from->has_option("color/monochrome") && bool(from->get_option("color/monochrome"))) {
atlas.convert(Image::FORMAT_GRAYSCALE_ALPHA);
}
if (0) {
//debug the texture
Ref<ImageTexture> atlast = memnew( ImageTexture );
atlast->create_from_image(atlas);
// atlast->create_from_image(font_data_list[5]->blit);
TextureFrame *tf = memnew( TextureFrame );
tf->set_texture(atlast);
dialog->add_child(tf);
}
/* CREATE FONT */
int char_space = from->get_option("extra_space/char");
int space_space = from->get_option("extra_space/space");
int top_space = from->get_option("extra_space/top");
int bottom_space = from->get_option("extra_space/bottom");
bool disable_filter = from->get_option("advanced/disable_filter");
Ref<Font> font;
if (p_existing!=String() && ResourceCache::has(p_existing)) {
font = Ref<Font>( ResourceCache::get(p_existing)->cast_to<Font>());
}
if (font.is_null()) {
font = Ref<Font>( memnew( Font ) );
}
font->clear();
font->set_height(height+bottom_space+top_space);
font->set_ascent(ascent+top_space);
//register texures
{
Ref<ImageTexture> t = memnew(ImageTexture);
int flags;
if (disable_filter)
flags=0;
else
flags=Texture::FLAG_FILTER;
t->create_from_image(atlas,flags);
t->set_storage( ImageTexture::STORAGE_COMPRESS_LOSSLESS );
font->add_texture(t);
}
//register characters
for(int i=0;i<font_data_list.size();i++) {
_EditorFontData *fd=font_data_list[i];
int tex_idx=0;
font->add_char(fd->character,tex_idx,Rect2( fd->ofs_x, fd->ofs_y, fd->blit.get_width(), fd->blit.get_height()),Point2(fd->halign-fd->blit_ofs.x,fd->valign-fd->blit_ofs.y+top_space), fd->advance+char_space+(fd->character==' '?space_space:0));
memdelete(fd);
}
for(Map<_EditorKerningKey,int>::Element *E=kerning_map.front();E;E=E->next()) {
font->add_kerning_pair(E->key().A,E->key().B,E->get());
}
FT_Done_FreeType( library );
return font;
#else
return Ref<Font>();
#endif
}
String EditorFontImportPlugin::get_name() const {
return "font";
}
String EditorFontImportPlugin::get_visible_name() const{
return "Font";
}
void EditorFontImportPlugin::import_dialog(const String& p_from){
dialog->popup_import(p_from);
}
Error EditorFontImportPlugin::import(const String& p_path, const Ref<ResourceImportMetadata>& p_from){
Ref<Font> font = EditorFontImportPlugin::generate_font(p_from,p_path);
if (!font.is_valid())
return ERR_CANT_CREATE;
Ref<ResourceImportMetadata> from=p_from;
from->set_source_md5(0,FileAccess::get_md5(EditorImportPlugin::expand_source_path(from->get_source_path(0))));
from->set_editor(get_name());
font->set_import_metadata(from);
return ResourceSaver::save(p_path,font);
}
EditorFontImportPlugin::EditorFontImportPlugin(EditorNode* p_editor) {
dialog = memnew( EditorFontImportDialog(this) );
p_editor->get_gui_base()->add_child(dialog);
}
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