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@@ -1097,12 +1097,14 @@ _FORCE_INLINE_ TextServerAdvanced::FontGlyph TextServerAdvanced::rasterize_bitma
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_FORCE_INLINE_ bool TextServerAdvanced::_ensure_glyph(FontDataAdvanced *p_font_data, const Vector2i &p_size, int32_t p_glyph) const {
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ERR_FAIL_COND_V(!_ensure_cache_for_size(p_font_data, p_size), false);
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+ int32_t glyph_index = p_glyph & 0xFFFFFF; // Remove subpixel shifts.
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+
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FontDataForSizeAdvanced *fd = p_font_data->cache[p_size];
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if (fd->glyph_map.has(p_glyph)) {
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return fd->glyph_map[p_glyph].found;
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}
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- if (p_glyph == 0) { // Non graphical or invalid glyph, do not render.
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+ if (glyph_index == 0) { // Non graphical or invalid glyph, do not render.
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fd->glyph_map[p_glyph] = FontGlyph();
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return true;
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}
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@@ -1134,15 +1136,25 @@ _FORCE_INLINE_ bool TextServerAdvanced::_ensure_glyph(FontDataAdvanced *p_font_d
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}
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FT_Fixed v, h;
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- FT_Get_Advance(fd->face, p_glyph, flags, &h);
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- FT_Get_Advance(fd->face, p_glyph, flags | FT_LOAD_VERTICAL_LAYOUT, &v);
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+ FT_Get_Advance(fd->face, glyph_index, flags, &h);
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+ FT_Get_Advance(fd->face, glyph_index, flags | FT_LOAD_VERTICAL_LAYOUT, &v);
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- int error = FT_Load_Glyph(fd->face, p_glyph, flags);
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+ int error = FT_Load_Glyph(fd->face, glyph_index, flags);
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if (error) {
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fd->glyph_map[p_glyph] = FontGlyph();
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return false;
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}
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+ if (!p_font_data->msdf) {
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+ if ((p_font_data->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (p_font_data->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && p_size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
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+ FT_Pos xshift = (int)((p_glyph >> 27) & 3) << 4;
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+ FT_Outline_Translate(&fd->face->glyph->outline, xshift, 0);
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+ } else if ((p_font_data->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (p_font_data->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && p_size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
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+ FT_Pos xshift = (int)((p_glyph >> 27) & 3) << 5;
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+ FT_Outline_Translate(&fd->face->glyph->outline, xshift, 0);
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+ }
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+ }
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+
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if (!outline) {
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if (!p_font_data->msdf) {
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error = FT_Render_Glyph(fd->face->glyph, p_font_data->antialiased ? FT_RENDER_MODE_NORMAL : FT_RENDER_MODE_MONO);
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@@ -1844,6 +1856,24 @@ TextServer::Hinting TextServerAdvanced::font_get_hinting(RID p_font_rid) const {
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return fd->hinting;
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}
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+void TextServerAdvanced::font_set_subpixel_positioning(RID p_font_rid, TextServer::SubpixelPositioning p_subpixel) {
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+ FontDataAdvanced *fd = font_owner.get_or_null(p_font_rid);
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+ ERR_FAIL_COND(!fd);
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+
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+ MutexLock lock(fd->mutex);
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+ if (fd->subpixel_positioning != p_subpixel) {
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+ fd->subpixel_positioning = p_subpixel;
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+ }
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+}
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+
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+TextServer::SubpixelPositioning TextServerAdvanced::font_get_subpixel_positioning(RID p_font_rid) const {
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+ FontDataAdvanced *fd = font_owner.get_or_null(p_font_rid);
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+ ERR_FAIL_COND_V(!fd, SUBPIXEL_POSITIONING_DISABLED);
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+
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+ MutexLock lock(fd->mutex);
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+ return fd->subpixel_positioning;
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+}
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+
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void TextServerAdvanced::font_set_variation_coordinates(RID p_font_rid, const Dictionary &p_variation_coordinates) {
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FontDataAdvanced *fd = font_owner.get_or_null(p_font_rid);
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ERR_FAIL_COND(!fd);
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@@ -2261,6 +2291,8 @@ Vector2 TextServerAdvanced::font_get_glyph_advance(RID p_font_rid, int p_size, i
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if (fd->msdf) {
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return gl[p_glyph].advance * (float)p_size / (float)fd->msdf_source_size;
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+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_DISABLED) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x > SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
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+ return gl[p_glyph].advance.round();
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} else {
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return gl[p_glyph].advance;
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}
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@@ -2628,12 +2660,25 @@ void TextServerAdvanced::font_render_range(RID p_font_rid, const Vector2i &p_siz
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ERR_FAIL_COND(!_ensure_cache_for_size(fd, size));
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for (char32_t i = p_start; i <= p_end; i++) {
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#ifdef MODULE_FREETYPE_ENABLED
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+ int32_t idx = FT_Get_Char_Index(fd->cache[size]->face, i);
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if (fd->cache[size]->face) {
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- _ensure_glyph(fd, size, FT_Get_Char_Index(fd->cache[size]->face, i));
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- continue;
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+ if (fd->msdf) {
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+ _ensure_glyph(fd, size, (int32_t)idx);
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+ } else {
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+ if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
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+ _ensure_glyph(fd, size, (int32_t)idx | (0 << 27));
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+ _ensure_glyph(fd, size, (int32_t)idx | (1 << 27));
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+ _ensure_glyph(fd, size, (int32_t)idx | (2 << 27));
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+ _ensure_glyph(fd, size, (int32_t)idx | (3 << 27));
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+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
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+ _ensure_glyph(fd, size, (int32_t)idx | (1 << 27));
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+ _ensure_glyph(fd, size, (int32_t)idx | (0 << 27));
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+ } else {
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+ _ensure_glyph(fd, size, (int32_t)idx);
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+ }
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+ }
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}
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#endif
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- _ensure_glyph(fd, size, (int32_t)i);
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}
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}
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@@ -2644,7 +2689,26 @@ void TextServerAdvanced::font_render_glyph(RID p_font_rid, const Vector2i &p_siz
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MutexLock lock(fd->mutex);
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Vector2i size = _get_size_outline(fd, p_size);
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ERR_FAIL_COND(!_ensure_cache_for_size(fd, size));
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- ERR_FAIL_COND(!_ensure_glyph(fd, size, p_index));
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+#ifdef MODULE_FREETYPE_ENABLED
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+ int32_t idx = p_index;
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+ if (fd->cache[size]->face) {
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+ if (fd->msdf) {
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+ _ensure_glyph(fd, size, (int32_t)idx);
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+ } else {
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+ if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
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+ _ensure_glyph(fd, size, (int32_t)idx | (0 << 27));
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+ _ensure_glyph(fd, size, (int32_t)idx | (1 << 27));
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+ _ensure_glyph(fd, size, (int32_t)idx | (2 << 27));
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+ _ensure_glyph(fd, size, (int32_t)idx | (3 << 27));
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+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
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+ _ensure_glyph(fd, size, (int32_t)idx | (1 << 27));
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+ _ensure_glyph(fd, size, (int32_t)idx | (0 << 27));
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+ } else {
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+ _ensure_glyph(fd, size, (int32_t)idx);
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+ }
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+ }
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+ }
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+#endif
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}
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void TextServerAdvanced::font_draw_glyph(RID p_font_rid, RID p_canvas, int p_size, const Vector2 &p_pos, int32_t p_index, const Color &p_color) const {
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@@ -2654,11 +2718,26 @@ void TextServerAdvanced::font_draw_glyph(RID p_font_rid, RID p_canvas, int p_siz
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MutexLock lock(fd->mutex);
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Vector2i size = _get_size(fd, p_size);
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ERR_FAIL_COND(!_ensure_cache_for_size(fd, size));
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- if (!_ensure_glyph(fd, size, p_index)) {
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+
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+ int32_t index = p_index;
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+
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+#ifdef MODULE_FREETYPE_ENABLED
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+ if (!fd->msdf && fd->cache[size]->face) {
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+ if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
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+ int xshift = (int)(Math::floor(4 * (p_pos.x + 0.125)) - 4 * Math::floor(p_pos.x + 0.125));
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+ index = index | (xshift << 27);
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+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
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+ int xshift = (int)(Math::floor(2 * (p_pos.x + 0.25)) - 2 * Math::floor(p_pos.x + 0.25));
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+ index = index | (xshift << 27);
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+ }
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+ }
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+#endif
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+
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+ if (!_ensure_glyph(fd, size, index)) {
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return; // Invalid or non-graphical glyph, do not display errors, nothing to draw.
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}
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- const FontGlyph &gl = fd->cache[size]->glyph_map[p_index];
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+ const FontGlyph &gl = fd->cache[size]->glyph_map[index];
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if (gl.found) {
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ERR_FAIL_COND(gl.texture_idx < -1 || gl.texture_idx >= fd->cache[size]->textures.size());
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@@ -2677,7 +2756,15 @@ void TextServerAdvanced::font_draw_glyph(RID p_font_rid, RID p_canvas, int p_siz
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Size2 csize = gl.rect.size * (float)p_size / (float)fd->msdf_source_size;
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RenderingServer::get_singleton()->canvas_item_add_msdf_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, 0, fd->msdf_range);
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} else {
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- Point2 cpos = p_pos.floor();
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+ Point2 cpos = p_pos;
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+ cpos.y = Math::floor(cpos.y);
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+ if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
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+ cpos.x = ((int)Math::floor(cpos.x + 0.125));
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+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
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+ cpos.x = ((int)Math::floor(cpos.x + 0.25));
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+ } else {
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+ cpos.x = Math::floor(cpos.x);
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+ }
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cpos += gl.rect.position;
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Size2 csize = gl.rect.size;
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RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, false, false);
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@@ -2694,11 +2781,26 @@ void TextServerAdvanced::font_draw_glyph_outline(RID p_font_rid, RID p_canvas, i
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MutexLock lock(fd->mutex);
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Vector2i size = _get_size_outline(fd, Vector2i(p_size, p_outline_size));
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ERR_FAIL_COND(!_ensure_cache_for_size(fd, size));
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- if (!_ensure_glyph(fd, size, p_index)) {
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+
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+ int32_t index = p_index;
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+
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+#ifdef MODULE_FREETYPE_ENABLED
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+ if (!fd->msdf && fd->cache[size]->face) {
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+ if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
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+ int xshift = (int)(Math::floor(4 * (p_pos.x + 0.125)) - 4 * Math::floor(p_pos.x + 0.125));
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+ index = index | (xshift << 27);
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+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
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+ int xshift = (int)(Math::floor(2 * (p_pos.x + 0.25)) - 2 * Math::floor(p_pos.x + 0.25));
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+ index = index | (xshift << 27);
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+ }
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+ }
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+#endif
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+
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+ if (!_ensure_glyph(fd, size, index)) {
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return; // Invalid or non-graphical glyph, do not display errors, nothing to draw.
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}
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- const FontGlyph &gl = fd->cache[size]->glyph_map[p_index];
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+ const FontGlyph &gl = fd->cache[size]->glyph_map[index];
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if (gl.found) {
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ERR_FAIL_COND(gl.texture_idx < -1 || gl.texture_idx >= fd->cache[size]->textures.size());
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@@ -2717,7 +2819,15 @@ void TextServerAdvanced::font_draw_glyph_outline(RID p_font_rid, RID p_canvas, i
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Size2 csize = gl.rect.size * (float)p_size / (float)fd->msdf_source_size;
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RenderingServer::get_singleton()->canvas_item_add_msdf_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, p_outline_size * 2, fd->msdf_range);
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} else {
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- Point2 cpos = p_pos.floor();
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+ Point2 cpos = p_pos;
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+ cpos.y = Math::floor(cpos.y);
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+ if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
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+ cpos.x = ((int)Math::floor(cpos.x + 0.125));
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+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
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+ cpos.x = ((int)Math::floor(cpos.x + 0.25));
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+ } else {
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+ cpos.x = Math::floor(cpos.x);
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+ }
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cpos += gl.rect.position;
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Size2 csize = gl.rect.size;
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RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, false, false);
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@@ -3559,7 +3669,7 @@ float TextServerAdvanced::shaped_text_fit_to_width(RID p_shaped, float p_width,
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}
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justification_width = sd->width_trimmed;
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} else {
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- return sd->width;
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+ return Math::ceil(sd->width);
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}
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} else {
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justification_width = sd->width;
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@@ -3662,7 +3772,7 @@ float TextServerAdvanced::shaped_text_fit_to_width(RID p_shaped, float p_width,
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sd->width = justification_width;
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}
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- return justification_width;
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+ return Math::ceil(justification_width);
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}
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float TextServerAdvanced::shaped_text_tab_align(RID p_shaped, const PackedFloat32Array &p_tab_stops) {
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@@ -4281,6 +4391,7 @@ bool TextServerAdvanced::shaped_text_update_justification_ops(RID p_shaped) {
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Glyph TextServerAdvanced::_shape_single_glyph(ShapedTextDataAdvanced *p_sd, char32_t p_char, hb_script_t p_script, hb_direction_t p_direction, RID p_font, int p_font_size) {
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hb_font_t *hb_font = _font_get_hb_handle(p_font, p_font_size);
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+ bool subpos = (font_get_subpixel_positioning(p_font) == SUBPIXEL_POSITIONING_ONE_HALF) || (font_get_subpixel_positioning(p_font) == SUBPIXEL_POSITIONING_ONE_QUARTER) || (font_get_subpixel_positioning(p_font) == SUBPIXEL_POSITIONING_AUTO && p_font_size <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE);
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ERR_FAIL_COND_V(hb_font == nullptr, Glyph());
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hb_buffer_clear_contents(p_sd->hb_buffer);
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@@ -4308,14 +4419,22 @@ Glyph TextServerAdvanced::_shape_single_glyph(ShapedTextDataAdvanced *p_sd, char
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if (glyph_count > 0) {
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float scale = font_get_scale(p_font, p_font_size);
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if (p_sd->orientation == ORIENTATION_HORIZONTAL) {
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- gl.advance = Math::round(glyph_pos[0].x_advance / (64.0 / scale));
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+ if (subpos) {
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+ gl.advance = glyph_pos[0].x_advance / (64.0 / scale);
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+ } else {
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+ gl.advance = Math::round(glyph_pos[0].x_advance / (64.0 / scale));
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+ }
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} else {
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gl.advance = -Math::round(glyph_pos[0].y_advance / (64.0 / scale));
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}
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gl.count = 1;
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gl.index = glyph_info[0].codepoint;
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- gl.x_off = Math::round(glyph_pos[0].x_offset / (64.0 / scale));
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+ if (subpos) {
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+ gl.x_off = glyph_pos[0].x_offset / (64.0 / scale);
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+ } else {
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+ gl.x_off = Math::round(glyph_pos[0].x_offset / (64.0 / scale));
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+ }
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gl.y_off = -Math::round(glyph_pos[0].y_offset / (64.0 / scale));
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if ((glyph_info[0].codepoint != 0) || !u_isgraph(p_char)) {
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@@ -4380,6 +4499,7 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
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float scale = font_get_scale(f, fs);
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float sp_sp = font_get_spacing(f, fs, SPACING_SPACE);
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float sp_gl = font_get_spacing(f, fs, SPACING_GLYPH);
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+ bool subpos = (font_get_subpixel_positioning(f) == SUBPIXEL_POSITIONING_ONE_HALF) || (font_get_subpixel_positioning(f) == SUBPIXEL_POSITIONING_ONE_QUARTER) || (font_get_subpixel_positioning(f) == SUBPIXEL_POSITIONING_AUTO && fs <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE);
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ERR_FAIL_COND(hb_font == nullptr);
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hb_buffer_clear_contents(p_sd->hb_buffer);
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@@ -4456,11 +4576,19 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
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gl.index = glyph_info[i].codepoint;
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if (gl.index != 0) {
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if (p_sd->orientation == ORIENTATION_HORIZONTAL) {
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- gl.advance = Math::round(glyph_pos[i].x_advance / (64.0 / scale));
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+ if (subpos) {
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+ gl.advance = glyph_pos[i].x_advance / (64.0 / scale);
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+ } else {
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+ gl.advance = Math::round(glyph_pos[i].x_advance / (64.0 / scale));
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+ }
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} else {
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gl.advance = -Math::round(glyph_pos[i].y_advance / (64.0 / scale));
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}
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- gl.x_off = Math::round(glyph_pos[i].x_offset / (64.0 / scale));
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+ if (subpos) {
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+ gl.x_off = glyph_pos[i].x_offset / (64.0 / scale);
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+ } else {
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+ gl.x_off = Math::round(glyph_pos[i].x_offset / (64.0 / scale));
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+ }
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gl.y_off = -Math::round(glyph_pos[i].y_offset / (64.0 / scale));
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}
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if (sp_sp && is_whitespace(p_sd->text[glyph_info[i].cluster])) {
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@@ -4797,9 +4925,9 @@ Size2 TextServerAdvanced::shaped_text_get_size(RID p_shaped) const {
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const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped);
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}
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if (sd->orientation == TextServer::ORIENTATION_HORIZONTAL) {
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- return Size2((sd->text_trimmed ? sd->width_trimmed : sd->width), sd->ascent + sd->descent);
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+ return Size2((sd->text_trimmed ? sd->width_trimmed : sd->width), sd->ascent + sd->descent).ceil();
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} else {
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- return Size2(sd->ascent + sd->descent, (sd->text_trimmed ? sd->width_trimmed : sd->width));
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+ return Size2(sd->ascent + sd->descent, (sd->text_trimmed ? sd->width_trimmed : sd->width)).ceil();
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}
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}
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@@ -4833,7 +4961,7 @@ float TextServerAdvanced::shaped_text_get_width(RID p_shaped) const {
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if (!sd->valid) {
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const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped);
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}
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- return (sd->text_trimmed ? sd->width_trimmed : sd->width);
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+ return Math::ceil(sd->text_trimmed ? sd->width_trimmed : sd->width);
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}
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float TextServerAdvanced::shaped_text_get_underline_position(RID p_shaped) const {
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Rémi Verschelde