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path: root/modules/text_server_fb/text_server_fb.cpp
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Diffstat (limited to 'modules/text_server_fb/text_server_fb.cpp')
-rw-r--r--modules/text_server_fb/text_server_fb.cpp150
1 files changed, 134 insertions, 16 deletions
diff --git a/modules/text_server_fb/text_server_fb.cpp b/modules/text_server_fb/text_server_fb.cpp
index 182d2a02ad..e6f9bcf131 100644
--- a/modules/text_server_fb/text_server_fb.cpp
+++ b/modules/text_server_fb/text_server_fb.cpp
@@ -548,12 +548,14 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitma
_FORCE_INLINE_ bool TextServerFallback::_ensure_glyph(FontDataFallback *p_font_data, const Vector2i &p_size, int32_t p_glyph) const {
ERR_FAIL_COND_V(!_ensure_cache_for_size(p_font_data, p_size), false);
+ int32_t glyph_index = p_glyph & 0xFFFFFF; // Remove subpixel shifts.
+
FontDataForSizeFallback *fd = p_font_data->cache[p_size];
if (fd->glyph_map.has(p_glyph)) {
return fd->glyph_map[p_glyph].found;
}
- if (p_glyph == 0) { // Non graphical or invalid glyph, do not render.
+ if (glyph_index == 0) { // Non graphical or invalid glyph, do not render.
fd->glyph_map[p_glyph] = FontGlyph();
return true;
}
@@ -584,8 +586,6 @@ _FORCE_INLINE_ bool TextServerFallback::_ensure_glyph(FontDataFallback *p_font_d
flags |= FT_LOAD_COLOR;
}
- int32_t glyph_index = FT_Get_Char_Index(fd->face, p_glyph);
-
FT_Fixed v, h;
FT_Get_Advance(fd->face, glyph_index, flags, &h);
FT_Get_Advance(fd->face, glyph_index, flags | FT_LOAD_VERTICAL_LAYOUT, &v);
@@ -596,6 +596,16 @@ _FORCE_INLINE_ bool TextServerFallback::_ensure_glyph(FontDataFallback *p_font_d
return false;
}
+ if (!p_font_data->msdf) {
+ 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)) {
+ FT_Pos xshift = (int)((p_glyph >> 27) & 3) << 4;
+ FT_Outline_Translate(&fd->face->glyph->outline, xshift, 0);
+ } 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)) {
+ FT_Pos xshift = (int)((p_glyph >> 27) & 3) << 5;
+ FT_Outline_Translate(&fd->face->glyph->outline, xshift, 0);
+ }
+ }
+
if (!outline) {
if (!p_font_data->msdf) {
error = FT_Render_Glyph(fd->face->glyph, p_font_data->antialiased ? FT_RENDER_MODE_NORMAL : FT_RENDER_MODE_MONO);
@@ -1016,6 +1026,24 @@ TextServer::Hinting TextServerFallback::font_get_hinting(RID p_font_rid) const {
return fd->hinting;
}
+void TextServerFallback::font_set_subpixel_positioning(RID p_font_rid, TextServer::SubpixelPositioning p_subpixel) {
+ FontDataFallback *fd = font_owner.get_or_null(p_font_rid);
+ ERR_FAIL_COND(!fd);
+
+ MutexLock lock(fd->mutex);
+ if (fd->subpixel_positioning != p_subpixel) {
+ fd->subpixel_positioning = p_subpixel;
+ }
+}
+
+TextServer::SubpixelPositioning TextServerFallback::font_get_subpixel_positioning(RID p_font_rid) const {
+ FontDataFallback *fd = font_owner.get_or_null(p_font_rid);
+ ERR_FAIL_COND_V(!fd, SUBPIXEL_POSITIONING_DISABLED);
+
+ MutexLock lock(fd->mutex);
+ return fd->subpixel_positioning;
+}
+
void TextServerFallback::font_set_variation_coordinates(RID p_font_rid, const Dictionary &p_variation_coordinates) {
FontDataFallback *fd = font_owner.get_or_null(p_font_rid);
ERR_FAIL_COND(!fd);
@@ -1433,6 +1461,8 @@ Vector2 TextServerFallback::font_get_glyph_advance(RID p_font_rid, int p_size, i
if (fd->msdf) {
return gl[p_glyph].advance * (float)p_size / (float)fd->msdf_source_size;
+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_DISABLED) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x > SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
+ return gl[p_glyph].advance.round();
} else {
return gl[p_glyph].advance;
}
@@ -1781,7 +1811,26 @@ void TextServerFallback::font_render_range(RID p_font_rid, const Vector2i &p_siz
Vector2i size = _get_size_outline(fd, p_size);
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size));
for (char32_t i = p_start; i <= p_end; i++) {
- _ensure_glyph(fd, size, (int32_t)i);
+#ifdef MODULE_FREETYPE_ENABLED
+ int32_t idx = i;
+ if (fd->cache[size]->face) {
+ if (fd->msdf) {
+ _ensure_glyph(fd, size, (int32_t)idx);
+ } else {
+ if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
+ _ensure_glyph(fd, size, (int32_t)idx | (0 << 27));
+ _ensure_glyph(fd, size, (int32_t)idx | (1 << 27));
+ _ensure_glyph(fd, size, (int32_t)idx | (2 << 27));
+ _ensure_glyph(fd, size, (int32_t)idx | (3 << 27));
+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
+ _ensure_glyph(fd, size, (int32_t)idx | (1 << 27));
+ _ensure_glyph(fd, size, (int32_t)idx | (0 << 27));
+ } else {
+ _ensure_glyph(fd, size, (int32_t)idx);
+ }
+ }
+ }
+#endif
}
}
@@ -1792,7 +1841,26 @@ void TextServerFallback::font_render_glyph(RID p_font_rid, const Vector2i &p_siz
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size));
- ERR_FAIL_COND(!_ensure_glyph(fd, size, p_index));
+#ifdef MODULE_FREETYPE_ENABLED
+ int32_t idx = p_index;
+ if (fd->cache[size]->face) {
+ if (fd->msdf) {
+ _ensure_glyph(fd, size, (int32_t)idx);
+ } else {
+ if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
+ _ensure_glyph(fd, size, (int32_t)idx | (0 << 27));
+ _ensure_glyph(fd, size, (int32_t)idx | (1 << 27));
+ _ensure_glyph(fd, size, (int32_t)idx | (2 << 27));
+ _ensure_glyph(fd, size, (int32_t)idx | (3 << 27));
+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
+ _ensure_glyph(fd, size, (int32_t)idx | (1 << 27));
+ _ensure_glyph(fd, size, (int32_t)idx | (0 << 27));
+ } else {
+ _ensure_glyph(fd, size, (int32_t)idx);
+ }
+ }
+ }
+#endif
}
void TextServerFallback::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 {
@@ -1802,11 +1870,26 @@ void TextServerFallback::font_draw_glyph(RID p_font_rid, RID p_canvas, int p_siz
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size));
- if (!_ensure_glyph(fd, size, p_index)) {
+
+ int32_t index = p_index;
+
+#ifdef MODULE_FREETYPE_ENABLED
+ if (!fd->msdf && fd->cache[size]->face) {
+ if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
+ int xshift = (int)(Math::floor(4 * (p_pos.x + 0.125)) - 4 * Math::floor(p_pos.x + 0.125));
+ index = index | (xshift << 27);
+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
+ int xshift = (int)(Math::floor(2 * (p_pos.x + 0.25)) - 2 * Math::floor(p_pos.x + 0.25));
+ index = index | (xshift << 27);
+ }
+ }
+#endif
+
+ if (!_ensure_glyph(fd, size, index)) {
return; // Invalid or non-graphical glyph, do not display errors, nothing to draw.
}
- const FontGlyph &gl = fd->cache[size]->glyph_map[p_index];
+ const FontGlyph &gl = fd->cache[size]->glyph_map[index];
if (gl.found) {
ERR_FAIL_COND(gl.texture_idx < -1 || gl.texture_idx >= fd->cache[size]->textures.size());
@@ -1825,7 +1908,15 @@ void TextServerFallback::font_draw_glyph(RID p_font_rid, RID p_canvas, int p_siz
Size2 csize = gl.rect.size * (float)p_size / (float)fd->msdf_source_size;
RenderingServer::get_singleton()->canvas_item_add_msdf_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, 0, fd->msdf_range);
} else {
- Point2 cpos = p_pos.floor();
+ Point2 cpos = p_pos;
+ cpos.y = Math::floor(cpos.y);
+ if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
+ cpos.x = ((int)Math::floor(cpos.x + 0.125));
+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
+ cpos.x = ((int)Math::floor(cpos.x + 0.25));
+ } else {
+ cpos.x = Math::floor(cpos.x);
+ }
cpos += gl.rect.position;
Size2 csize = gl.rect.size;
RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, false, false);
@@ -1842,11 +1933,26 @@ void TextServerFallback::font_draw_glyph_outline(RID p_font_rid, RID p_canvas, i
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, Vector2i(p_size, p_outline_size));
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size));
- if (!_ensure_glyph(fd, size, p_index)) {
+
+ int32_t index = p_index;
+
+#ifdef MODULE_FREETYPE_ENABLED
+ if (!fd->msdf && fd->cache[size]->face) {
+ if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
+ int xshift = (int)(Math::floor(4 * (p_pos.x + 0.125)) - 4 * Math::floor(p_pos.x + 0.125));
+ index = index | (xshift << 27);
+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
+ int xshift = (int)(Math::floor(2 * (p_pos.x + 0.25)) - 2 * Math::floor(p_pos.x + 0.25));
+ index = index | (xshift << 27);
+ }
+ }
+#endif
+
+ if (!_ensure_glyph(fd, size, index)) {
return; // Invalid or non-graphical glyph, do not display errors, nothing to draw.
}
- const FontGlyph &gl = fd->cache[size]->glyph_map[p_index];
+ const FontGlyph &gl = fd->cache[size]->glyph_map[index];
if (gl.found) {
ERR_FAIL_COND(gl.texture_idx < -1 || gl.texture_idx >= fd->cache[size]->textures.size());
@@ -1865,7 +1971,15 @@ void TextServerFallback::font_draw_glyph_outline(RID p_font_rid, RID p_canvas, i
Size2 csize = gl.rect.size * (float)p_size / (float)fd->msdf_source_size;
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);
} else {
- Point2 cpos = p_pos.floor();
+ Point2 cpos = p_pos;
+ cpos.y = Math::floor(cpos.y);
+ if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
+ cpos.x = ((int)Math::floor(cpos.x + 0.125));
+ } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
+ cpos.x = ((int)Math::floor(cpos.x + 0.25));
+ } else {
+ cpos.x = Math::floor(cpos.x);
+ }
cpos += gl.rect.position;
Size2 csize = gl.rect.size;
RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, false, false);
@@ -2660,7 +2774,7 @@ float TextServerFallback::shaped_text_fit_to_width(RID p_shaped, float p_width,
end_pos = sd->overrun_trim_data.trim_pos;
justification_width = sd->width_trimmed;
} else {
- return sd->width;
+ return Math::ceil(sd->width);
}
} else {
justification_width = sd->width;
@@ -2720,7 +2834,7 @@ float TextServerFallback::shaped_text_fit_to_width(RID p_shaped, float p_width,
sd->width = justification_width;
}
- return justification_width;
+ return Math::ceil(justification_width);
}
float TextServerFallback::shaped_text_tab_align(RID p_shaped, const PackedFloat32Array &p_tab_stops) {
@@ -3109,6 +3223,7 @@ bool TextServerFallback::shaped_text_shape(RID p_shaped) {
}
if (gl.font_rid.is_valid()) {
+ bool subpos = (font_get_subpixel_positioning(gl.font_rid) == SUBPIXEL_POSITIONING_ONE_HALF) || (font_get_subpixel_positioning(gl.font_rid) == SUBPIXEL_POSITIONING_ONE_QUARTER) || (font_get_subpixel_positioning(gl.font_rid) == SUBPIXEL_POSITIONING_AUTO && gl.font_size <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE);
if (sd->text[j - sd->start] != 0 && !is_linebreak(sd->text[j - sd->start])) {
if (sd->orientation == ORIENTATION_HORIZONTAL) {
gl.advance = Math::round(font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x);
@@ -3143,6 +3258,9 @@ bool TextServerFallback::shaped_text_shape(RID p_shaped) {
}
}
}
+ if (sd->orientation == ORIENTATION_HORIZONTAL && !subpos) {
+ gl.advance = Math::round(gl.advance);
+ }
} else if (sd->preserve_invalid || (sd->preserve_control && is_control(gl.index))) {
// Glyph not found, replace with hex code box.
if (sd->orientation == ORIENTATION_HORIZONTAL) {
@@ -3312,9 +3430,9 @@ Size2 TextServerFallback::shaped_text_get_size(RID p_shaped) const {
const_cast<TextServerFallback *>(this)->shaped_text_shape(p_shaped);
}
if (sd->orientation == TextServer::ORIENTATION_HORIZONTAL) {
- return Size2(sd->width, sd->ascent + sd->descent);
+ return Size2(sd->width, sd->ascent + sd->descent).ceil();
} else {
- return Size2(sd->ascent + sd->descent, sd->width);
+ return Size2(sd->ascent + sd->descent, sd->width).ceil();
}
}
@@ -3348,7 +3466,7 @@ float TextServerFallback::shaped_text_get_width(RID p_shaped) const {
if (!sd->valid) {
const_cast<TextServerFallback *>(this)->shaped_text_shape(p_shaped);
}
- return sd->width;
+ return Math::ceil(sd->width);
}
float TextServerFallback::shaped_text_get_underline_position(RID p_shaped) const {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 11:35:38 +0000