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path: root/scene/resources/dynamic_font.cpp
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Diffstat (limited to 'scene/resources/dynamic_font.cpp')
-rw-r--r--scene/resources/dynamic_font.cpp124
1 files changed, 95 insertions, 29 deletions
diff --git a/scene/resources/dynamic_font.cpp b/scene/resources/dynamic_font.cpp
index e9d5ca969e..3d825b5a27 100644
--- a/scene/resources/dynamic_font.cpp
+++ b/scene/resources/dynamic_font.cpp
@@ -80,6 +80,14 @@ void DynamicFontData::set_force_autohinter(bool p_force) {
void DynamicFontData::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_font_path", "path"), &DynamicFontData::set_font_path);
ClassDB::bind_method(D_METHOD("get_font_path"), &DynamicFontData::get_font_path);
+ ClassDB::bind_method(D_METHOD("set_hinting", "mode"), &DynamicFontData::set_hinting);
+ ClassDB::bind_method(D_METHOD("get_hinting"), &DynamicFontData::get_hinting);
+
+ ADD_PROPERTY(PropertyInfo(Variant::INT, "hinting", PROPERTY_HINT_ENUM, "None,Light,Normal"), "set_hinting", "get_hinting");
+
+ BIND_ENUM_CONSTANT(HINTING_NONE);
+ BIND_ENUM_CONSTANT(HINTING_LIGHT);
+ BIND_ENUM_CONSTANT(HINTING_NORMAL);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "font_path", PROPERTY_HINT_FILE, "*.ttf,*.otf"), "set_font_path", "get_font_path");
}
@@ -87,6 +95,7 @@ void DynamicFontData::_bind_methods() {
DynamicFontData::DynamicFontData() {
force_autohinter = false;
+ hinting = DynamicFontData::HINTING_NORMAL;
font_mem = NULL;
font_mem_size = 0;
}
@@ -186,10 +195,25 @@ Error DynamicFontAtSize::_load() {
ERR_FAIL_COND_V( error, ERR_INVALID_PARAMETER );
}*/
- error = FT_Set_Pixel_Sizes(face, 0, id.size * oversampling);
+ if (FT_HAS_COLOR(face)) {
+ int best_match = 0;
+ int diff = ABS(id.size - face->available_sizes[0].width);
+ scale_color_font = float(id.size) / face->available_sizes[0].width;
+ for (int i = 1; i < face->num_fixed_sizes; i++) {
+ int ndiff = ABS(id.size - face->available_sizes[i].width);
+ if (ndiff < diff) {
+ best_match = i;
+ diff = ndiff;
+ scale_color_font = float(id.size) / face->available_sizes[i].width;
+ }
+ }
+ error = FT_Select_Size(face, best_match);
+ } else {
+ error = FT_Set_Pixel_Sizes(face, 0, id.size * oversampling);
+ }
- ascent = (face->size->metrics.ascender >> 6) / oversampling;
- descent = (-face->size->metrics.descender >> 6) / oversampling;
+ ascent = (face->size->metrics.ascender >> 6) / oversampling * scale_color_font;
+ descent = (-face->size->metrics.descender >> 6) / oversampling * scale_color_font;
linegap = 0;
texture_flags = 0;
if (id.mipmaps)
@@ -197,8 +221,6 @@ Error DynamicFontAtSize::_load() {
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;
}
@@ -287,6 +309,8 @@ Size2 DynamicFontAtSize::get_char_size(CharType p_char, CharType p_next, const V
}
}
+ // ensures oversampled glyphs will have enough space when this value is used by clipping/wrapping algorithms
+ ret.x = Math::ceil(ret.x);
return ret;
}
@@ -328,14 +352,18 @@ float DynamicFontAtSize::draw_char(RID p_canvas_item, const Point2 &p_pos, CharT
if (!ch->found)
continue;
-
Point2 cpos = p_pos;
cpos.x += ch->h_align;
- cpos.y -= get_ascent();
+ cpos.y -= fb->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_uv, p_modulate, false, RID(), false);
+ if (ch->texture_idx != -1) {
+ Color modulate = p_modulate;
+ if (FT_HAS_COLOR(fb->face)) {
+ modulate.r = modulate.g = modulate.b = 1;
+ }
+ VisualServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, Rect2(cpos, ch->rect.size * Vector2(fb->scale_color_font, fb->scale_color_font)), fb->textures[ch->texture_idx].texture->get_rid(), ch->rect_uv, modulate, false, RID(), false);
+ }
advance = ch->advance;
used_fallback = true;
break;
@@ -356,8 +384,13 @@ float DynamicFontAtSize::draw_char(RID p_canvas_item, const Point2 &p_pos, CharT
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_uv, p_modulate, false, RID(), false);
+ if (c->texture_idx != -1) {
+ Color modulate = p_modulate;
+ if (FT_HAS_COLOR(face)) {
+ modulate.r = modulate.g = modulate.b = 1;
+ }
+ VisualServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, Rect2(cpos, c->rect.size * Vector2(scale_color_font, scale_color_font)), textures[c->texture_idx].texture->get_rid(), c->rect_uv, modulate, false, RID(), false);
+ }
advance = c->advance;
//textures[c->texture_idx].texture->draw(p_canvas_item,Vector2());
}
@@ -431,15 +464,28 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
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));
+
+ int ft_hinting;
+
+ switch (font->hinting) {
+ case DynamicFontData::HINTING_NONE:
+ ft_hinting = FT_LOAD_NO_HINTING;
+ break;
+ case DynamicFontData::HINTING_LIGHT:
+ ft_hinting = FT_LOAD_TARGET_LIGHT;
+ break;
+ default:
+ ft_hinting = FT_LOAD_TARGET_NORMAL;
+ break;
+ }
+
+ int error = FT_Load_Char(face, p_char, FT_HAS_COLOR(face) ? FT_LOAD_COLOR : FT_LOAD_DEFAULT | (font->force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0) | ft_hinting);
if (!error) {
- error = FT_Render_Glyph(face->glyph, ft_render_mode_normal);
+ 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;
@@ -454,7 +500,6 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
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;
@@ -470,6 +515,8 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
//find a texture to fit this...
+ int color_size = slot->bitmap.pixel_mode == FT_PIXEL_MODE_BGRA ? 4 : 2;
+ Image::Format require_format = color_size == 4 ? Image::FORMAT_RGBA8 : Image::FORMAT_LA8;
int tex_index = -1;
int tex_x = 0;
int tex_y = 0;
@@ -478,6 +525,9 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
CharTexture &ct = textures[i];
+ if (ct.texture->get_format() != require_format)
+ continue;
+
if (mw > ct.texture_size || mh > ct.texture_size) //too big for this texture
continue;
@@ -508,8 +558,6 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
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;
@@ -527,13 +575,13 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
CharTexture tex;
tex.texture_size = texsize;
- tex.imgdata.resize(texsize * texsize * 2); //grayscale alpha
+ tex.imgdata.resize(texsize * texsize * color_size);
{
//zero texture
PoolVector<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++) {
+ ERR_FAIL_COND(texsize * texsize * color_size > tex.imgdata.size());
+ for (int i = 0; i < texsize * texsize * color_size; i++) {
w[i] = 0;
}
}
@@ -555,7 +603,7 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
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;
+ int ofs = ((i + tex_y + rect_margin) * tex.texture_size + j + tex_x + rect_margin) * color_size;
ERR_FAIL_COND(ofs >= tex.imgdata.size());
switch (slot->bitmap.pixel_mode) {
case FT_PIXEL_MODE_MONO: {
@@ -568,7 +616,14 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
wr[ofs + 0] = 255; //grayscale as 1
wr[ofs + 1] = slot->bitmap.buffer[i * slot->bitmap.pitch + j];
break;
- // TODO: FT_PIXEL_MODE_LCD, FT_PIXEL_MODE_BGRA
+ case FT_PIXEL_MODE_BGRA: {
+ int ofs_color = i * slot->bitmap.pitch + (j << 2);
+ wr[ofs + 2] = slot->bitmap.buffer[ofs_color + 0];
+ wr[ofs + 1] = slot->bitmap.buffer[ofs_color + 1];
+ wr[ofs + 0] = slot->bitmap.buffer[ofs_color + 2];
+ wr[ofs + 3] = slot->bitmap.buffer[ofs_color + 3];
+ } break;
+ // TODO: FT_PIXEL_MODE_LCD
default:
ERR_EXPLAIN("Font uses unsupported pixel format: " + itos(slot->bitmap.pixel_mode));
ERR_FAIL();
@@ -581,7 +636,7 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
//blit to image and texture
{
- Ref<Image> img = memnew(Image(tex.texture_size, tex.texture_size, 0, Image::FORMAT_LA8, tex.imgdata));
+ Ref<Image> img = memnew(Image(tex.texture_size, tex.texture_size, 0, require_format, tex.imgdata));
if (tex.texture.is_null()) {
tex.texture.instance();
@@ -599,9 +654,9 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
}
Character chr;
- chr.h_align = xofs / oversampling;
- chr.v_align = ascent - (yofs / oversampling); // + ascent - descent;
- chr.advance = advance / oversampling;
+ chr.h_align = xofs * scale_color_font / oversampling;
+ chr.v_align = ascent - (yofs * scale_color_font / oversampling); // + ascent - descent;
+ chr.advance = advance * scale_color_font / oversampling;
chr.texture_idx = tex_index;
chr.found = true;
@@ -610,8 +665,6 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
chr.rect.position /= oversampling;
chr.rect.size /= oversampling;
- //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;
}
@@ -640,6 +693,7 @@ DynamicFontAtSize::DynamicFontAtSize() {
linegap = 1;
texture_flags = 0;
oversampling = font_oversampling;
+ scale_color_font = 1;
}
DynamicFontAtSize::~DynamicFontAtSize() {
@@ -722,6 +776,18 @@ void DynamicFont::set_use_filter(bool p_enable) {
_reload_cache();
}
+DynamicFontData::Hinting DynamicFontData::get_hinting() const {
+
+ return hinting;
+}
+
+void DynamicFontData::set_hinting(Hinting p_hinting) {
+
+ if (hinting == p_hinting)
+ return;
+ hinting = p_hinting;
+}
+
int DynamicFont::get_spacing(int p_type) const {
if (p_type == SPACING_TOP) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-16 18:27:57 +0000