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-rw-r--r--tools/editor/io_plugins/editor_font_import_plugin.cpp347
1 files changed, 297 insertions, 50 deletions
diff --git a/tools/editor/io_plugins/editor_font_import_plugin.cpp b/tools/editor/io_plugins/editor_font_import_plugin.cpp
index 1fd7d26f8b..05a42218a2 100644
--- a/tools/editor/io_plugins/editor_font_import_plugin.cpp
+++ b/tools/editor/io_plugins/editor_font_import_plugin.cpp
@@ -47,6 +47,12 @@ class _EditorFontImportOptions : public Object {
OBJ_TYPE(_EditorFontImportOptions,Object);
public:
+ enum FontMode {
+
+ FONT_BITMAP,
+ FONT_DISTANCE_FIELD
+ };
+
enum ColorType {
COLOR_WHITE,
COLOR_CUSTOM,
@@ -69,6 +75,9 @@ public:
CHARSET_CUSTOM_LATIN
};
+
+ FontMode font_mode;
+
CharacterSet character_set;
String custom_file;
@@ -91,7 +100,6 @@ public:
bool color_use_monochrome;
String gradient_image;
-
bool disable_filter;
bool round_advance;
@@ -100,7 +108,10 @@ public:
bool _set(const StringName& p_name, const Variant& p_value) {
String n = p_name;
- if (n=="extra_space/char")
+ if (n=="mode/mode") {
+ font_mode=FontMode(int(p_value));
+ _change_notify();
+ } else if (n=="extra_space/char")
char_extra_spacing=p_value;
else if (n=="extra_space/space")
space_extra_spacing=p_value;
@@ -169,7 +180,9 @@ public:
bool _get(const StringName& p_name,Variant &r_ret) const{
String n = p_name;
- if (n=="extra_space/char")
+ if (n=="mode/mode")
+ r_ret=font_mode;
+ else if (n=="extra_space/char")
r_ret=char_extra_spacing;
else if (n=="extra_space/space")
r_ret=space_extra_spacing;
@@ -231,6 +244,9 @@ public:
void _get_property_list( List<PropertyInfo> *p_list) const{
+
+ p_list->push_back(PropertyInfo(Variant::INT,"mode/mode",PROPERTY_HINT_ENUM,"Bitmap,Distance Field"));
+
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"));
@@ -240,35 +256,45 @@ public:
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));
- }
+ int usage = PROPERTY_USAGE_DEFAULT;
- 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));
+ if (font_mode==FONT_DISTANCE_FIELD) {
+ usage = PROPERTY_USAGE_NOEDITOR;
}
- 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"));
+ {
+ p_list->push_back(PropertyInfo(Variant::BOOL,"shadow/enabled",PROPERTY_HINT_NONE,"",usage));
+ if (shadow) {
+ p_list->push_back(PropertyInfo(Variant::INT,"shadow/radius",PROPERTY_HINT_RANGE,"-64,64,1",usage));
+ p_list->push_back(PropertyInfo(Variant::VECTOR2,"shadow/offset",PROPERTY_HINT_NONE,"",usage));
+ p_list->push_back(PropertyInfo(Variant::COLOR,"shadow/color",PROPERTY_HINT_NONE,"",usage));
+ p_list->push_back(PropertyInfo(Variant::REAL,"shadow/transition",PROPERTY_HINT_EXP_EASING,"",usage));
+ }
+
+ p_list->push_back(PropertyInfo(Variant::BOOL,"shadow2/enabled",PROPERTY_HINT_NONE,"",usage));
+ if (shadow2) {
+ p_list->push_back(PropertyInfo(Variant::INT,"shadow2/radius",PROPERTY_HINT_RANGE,"-64,64,1",usage));
+ p_list->push_back(PropertyInfo(Variant::VECTOR2,"shadow2/offset",PROPERTY_HINT_NONE,"",usage));
+ p_list->push_back(PropertyInfo(Variant::COLOR,"shadow2/color",PROPERTY_HINT_NONE,"",usage));
+ p_list->push_back(PropertyInfo(Variant::REAL,"shadow2/transition",PROPERTY_HINT_EXP_EASING,"",usage));
+ }
+
+ p_list->push_back(PropertyInfo(Variant::INT,"color/mode",PROPERTY_HINT_ENUM,"White,Color,Gradient,Gradient Image",usage));
+ if (color_type==COLOR_CUSTOM) {
+ p_list->push_back(PropertyInfo(Variant::COLOR,"color/color",PROPERTY_HINT_NONE,"",usage));
+
+ }
+ if (color_type==COLOR_GRADIENT_RANGE) {
+ p_list->push_back(PropertyInfo(Variant::COLOR,"color/begin",PROPERTY_HINT_NONE,"",usage));
+ p_list->push_back(PropertyInfo(Variant::COLOR,"color/end",PROPERTY_HINT_NONE,"",usage));
+ }
+ if (color_type==COLOR_GRADIENT_IMAGE) {
+ p_list->push_back(PropertyInfo(Variant::STRING,"color/image",PROPERTY_HINT_FILE,"",usage));
+ }
+ p_list->push_back(PropertyInfo(Variant::BOOL,"color/monochrome",PROPERTY_HINT_NONE,"",usage));
}
- 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"));
@@ -307,6 +333,7 @@ public:
gradient_end=Color(0.5,0.5,0.5,1);
color_use_monochrome=false;
+ font_mode=FONT_BITMAP;
round_advance=true;
disable_filter=false;
@@ -314,6 +341,8 @@ public:
_EditorFontImportOptions() {
+ font_mode=FONT_BITMAP;
+
char_extra_spacing=0;
top_extra_spacing=0;
bottom_extra_spacing=0;
@@ -706,6 +735,137 @@ struct _EditorKerningKey {
};
+
+static unsigned char get_SDF_radial(
+ unsigned char *fontmap,
+ int w, int h,
+ int x, int y,
+ int max_radius )
+{
+ // hideous brute force method
+ float d2 = max_radius*max_radius+1.0;
+ unsigned char v = fontmap[x+y*w];
+ for( int radius = 1; (radius <= max_radius) && (radius*radius < d2); ++radius )
+ {
+ int line, lo, hi;
+ // north
+ line = y - radius;
+ if( (line >= 0) && (line < h) )
+ {
+ lo = x - radius;
+ hi = x + radius;
+ if( lo < 0 ) { lo = 0; }
+ if( hi >= w ) { hi = w-1; }
+ int idx = line * w + lo;
+ for( int i = lo; i <= hi; ++i )
+ {
+ // check this pixel
+ if( fontmap[idx] != v )
+ {
+ float nx = i - x;
+ float ny = line - y;
+ float nd2 = nx*nx+ny*ny;
+ if( nd2 < d2 )
+ {
+ d2 = nd2;
+ }
+ }
+ // move on
+ ++idx;
+ }
+ }
+ // south
+ line = y + radius;
+ if( (line >= 0) && (line < h) )
+ {
+ lo = x - radius;
+ hi = x + radius;
+ if( lo < 0 ) { lo = 0; }
+ if( hi >= w ) { hi = w-1; }
+ int idx = line * w + lo;
+ for( int i = lo; i <= hi; ++i )
+ {
+ // check this pixel
+ if( fontmap[idx] != v )
+ {
+ float nx = i - x;
+ float ny = line - y;
+ float nd2 = nx*nx+ny*ny;
+ if( nd2 < d2 )
+ {
+ d2 = nd2;
+ }
+ }
+ // move on
+ ++idx;
+ }
+ }
+ // west
+ line = x - radius;
+ if( (line >= 0) && (line < w) )
+ {
+ lo = y - radius + 1;
+ hi = y + radius - 1;
+ if( lo < 0 ) { lo = 0; }
+ if( hi >= h ) { hi = h-1; }
+ int idx = lo * w + line;
+ for( int i = lo; i <= hi; ++i )
+ {
+ // check this pixel
+ if( fontmap[idx] != v )
+ {
+ float nx = line - x;
+ float ny = i - y;
+ float nd2 = nx*nx+ny*ny;
+ if( nd2 < d2 )
+ {
+ d2 = nd2;
+ }
+ }
+ // move on
+ idx += w;
+ }
+ }
+ // east
+ line = x + radius;
+ if( (line >= 0) && (line < w) )
+ {
+ lo = y - radius + 1;
+ hi = y + radius - 1;
+ if( lo < 0 ) { lo = 0; }
+ if( hi >= h ) { hi = h-1; }
+ int idx = lo * w + line;
+ for( int i = lo; i <= hi; ++i )
+ {
+ // check this pixel
+ if( fontmap[idx] != v )
+ {
+ float nx = line - x;
+ float ny = i - y;
+ float nd2 = nx*nx+ny*ny;
+ if( nd2 < d2 )
+ {
+ d2 = nd2;
+ }
+ }
+ // move on
+ idx += w;
+ }
+ }
+ }
+ d2 = sqrtf( d2 );
+ if( v==0 )
+ {
+ d2 = -d2;
+ }
+ d2 *= 127.5 / max_radius;
+ d2 += 127.5;
+ if( d2 < 0.0 ) d2 = 0.0;
+ if( d2 > 255.0 ) d2 = 255.0;
+ return (unsigned char)(d2 + 0.5);
+}
+
+
Ref<Font> EditorFontImportPlugin::generate_font(const Ref<ResourceImportMetadata>& p_from, const String &p_existing) {
Ref<ResourceImportMetadata> from = p_from;
@@ -754,7 +914,11 @@ Ref<Font> EditorFontImportPlugin::generate_font(const Ref<ResourceImportMetadata
}
- error = FT_Set_Pixel_Sizes(face,0,size);
+ int font_mode = from->get_option("mode/mode");
+
+ int scaler=(font_mode==_EditorFontImportOptions::FONT_DISTANCE_FIELD)?16:1;
+
+ error = FT_Set_Pixel_Sizes(face,0,size*scaler);
FT_GlyphSlot slot = face->glyph;
@@ -822,7 +986,7 @@ Ref<Font> EditorFontImportPlugin::generate_font(const Ref<ResourceImportMetadata
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 );
+ else error = FT_Render_Glyph( face->glyph, font_mode==_EditorFontImportOptions::FONT_BITMAP?ft_render_mode_normal:ft_render_mode_mono );
if (error) {
skip=true;
} else if (!skip) {
@@ -847,28 +1011,35 @@ Ref<Font> EditorFontImportPlugin::generate_font(const Ref<ResourceImportMetadata
}
_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;
- }
+ int w = slot->bitmap.width;
+ int h = slot->bitmap.rows;
+ int p = slot->bitmap.pitch;
+ print_line("pitch "+itos(slot->bitmap.pitch));
+ if (font_mode==_EditorFontImportOptions::FONT_DISTANCE_FIELD) {
- if ( (slot->bitmap_top - fdata->height)<max_down ) {
+ // oversize the holding buffer so I can smooth it!
+ int sw = w + scaler * 4;
+ int sh = h + scaler * 4;
+ // do the SDF
+ int sdfw = sw / scaler;
+ int sdfh = sh / scaler;
- max_down=slot->bitmap_top - fdata->height;
- }
+ fdata->width=sdfw;
+ fdata->height=sdfh;
+ } else {
+ fdata->width=w;
+ fdata->height=h;
}
+ fdata->character=charcode;
+ fdata->glyph=FT_Get_Char_Index(face,charcode);
+ if (charcode=='x')
+ xsize=w/scaler;
+
+
fdata->valign=slot->bitmap_top;
fdata->halign=slot->bitmap_left;
@@ -878,12 +1049,87 @@ Ref<Font> EditorFontImportPlugin::generate_font(const Ref<ResourceImportMetadata
else
fdata->advance=slot->advance.x/float(1<<6);
+ fdata->advance/=scaler;
+
+ if (font_mode==_EditorFontImportOptions::FONT_DISTANCE_FIELD) {
+
+ fdata->halign = fdata->halign / scaler - 1.5;
+ fdata->valign = fdata->valign / scaler + 1.5;
+ fdata->advance/=scaler;
+
+ }
+
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];
+ if (charcode<127) {
+ int top = fdata->valign;
+ int hmax = h/scaler;
+
+ if (top>max_up) {
+
+ max_up=top;
+ }
+
+
+ if ( (top - hmax)<max_down ) {
+
+ max_down=top - hmax;
+ }
+ }
+
+ if (font_mode==_EditorFontImportOptions::FONT_DISTANCE_FIELD) {
+
+
+ // oversize the holding buffer so I can smooth it!
+ int sw = w + scaler * 4;
+ int sh = h + scaler * 4;
+
+ unsigned char *smooth_buf = new unsigned char[sw*sh];
+
+ for( int i = 0; i < sw*sh; ++i ) {
+ smooth_buf[i] = 0;
+ }
+
+ // copy the glyph into the buffer to be smoothed
+ unsigned char *buf = slot->bitmap.buffer;
+ for( int j = 0; j < h; ++j ) {
+ for( int i = 0; i < w; ++i ) {
+ smooth_buf[scaler*2+i+(j+scaler*2)*sw] = 255 * ((buf[j*p+(i>>3)] >> (7 - (i & 7))) & 1);
+ }
+ }
+
+ // do the SDF
+ int sdfw = fdata->width;
+ int sdfh = fdata->height;
+
+ fdata->bitmap.resize( sdfw*sdfh );
+
+ for( int j = 0; j < sdfh; ++j ) {
+ for( int i = 0; i < sdfw; ++i ) {
+ int pd_idx = j*sdfw+i;
+
+ //fdata->bitmap[j*slot->bitmap.width+i]=slot->bitmap.buffer[j*slot->bitmap.width+i];
+
+ fdata->bitmap[pd_idx] =
+ //get_SDF
+ get_SDF_radial
+ ( smooth_buf, sw, sh,
+ i*scaler + (scaler >>1), j*scaler + (scaler >>1),
+ 2*scaler );
+
+ }
+ }
+
+ delete [] smooth_buf;
+
+ } else {
+ fdata->bitmap.resize( slot->bitmap.width*slot->bitmap.rows );
+ 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];
+ }
}
}
@@ -907,6 +1153,7 @@ Ref<Font> EditorFontImportPlugin::generate_font(const Ref<ResourceImportMetadata
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/=scaler;
spd->advance+=font_spacing;
} else {
@@ -955,7 +1202,7 @@ Ref<Font> EditorFontImportPlugin::generate_font(const Ref<ResourceImportMetadata
if (kern==0)
continue;
- kerning_map[kpk]=kern;
+ kerning_map[kpk]=kern/scaler;
}
}
}
@@ -1079,7 +1326,7 @@ Ref<Font> EditorFontImportPlugin::generate_font(const Ref<ResourceImportMetadata
pixels.resize(s.x*s.y*4);
DVector<uint8_t>::Write w = pixels.write();
- print_line("val: "+itos(font_data_list[i]->valign));
+ //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);
@@ -1251,7 +1498,7 @@ Ref<Font> EditorFontImportPlugin::generate_font(const Ref<ResourceImportMetadata
atlas.convert(Image::FORMAT_GRAYSCALE_ALPHA);
}
- if (0) {
+ if (1) {
//debug the texture
Ref<ImageTexture> atlast = memnew( ImageTexture );
atlast->create_from_image(atlas);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 00:06:34 +0000