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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.cpp134
1 files changed, 89 insertions, 45 deletions
diff --git a/modules/text_server_fb/text_server_fb.cpp b/modules/text_server_fb/text_server_fb.cpp
index 302bd677fe..c62f308818 100644
--- a/modules/text_server_fb/text_server_fb.cpp
+++ b/modules/text_server_fb/text_server_fb.cpp
@@ -71,8 +71,10 @@ using namespace godot;
#endif
#endif
-#ifdef MODULE_SVG_ENABLED
#ifdef MODULE_FREETYPE_ENABLED
+#include FT_SFNT_NAMES_H
+#include FT_TRUETYPE_IDS_H
+#ifdef MODULE_SVG_ENABLED
#include "thorvg_svg_in_ot.h"
#endif
#endif
@@ -392,7 +394,7 @@ void TextServerFallback::_generateMTSDF_threaded(void *p_td, uint32_t p_y) {
}
}
-_FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(FontFallback *p_font_data, FontForSizeFallback *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *outline, const Vector2 &advance) const {
+_FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(FontFallback *p_font_data, FontForSizeFallback *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *p_outline, const Vector2 &p_advance) const {
msdfgen::Shape shape;
shape.contours.clear();
@@ -408,13 +410,13 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(
ft_functions.shift = 0;
ft_functions.delta = 0;
- int error = FT_Outline_Decompose(outline, &ft_functions, &context);
+ int error = FT_Outline_Decompose(p_outline, &ft_functions, &context);
ERR_FAIL_COND_V_MSG(error, FontGlyph(), "FreeType: Outline decomposition error: '" + String(FT_Error_String(error)) + "'.");
if (!shape.contours.empty() && shape.contours.back().edges.empty()) {
shape.contours.pop_back();
}
- if (FT_Outline_Get_Orientation(outline) == 1) {
+ if (FT_Outline_Get_Orientation(p_outline) == 1) {
for (int i = 0; i < (int)shape.contours.size(); ++i) {
shape.contours[i].reverse();
}
@@ -427,12 +429,18 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(
FontGlyph chr;
chr.found = true;
- chr.advance = advance;
+ chr.advance = p_advance;
if (shape.validate() && shape.contours.size() > 0) {
int w = (bounds.r - bounds.l);
int h = (bounds.t - bounds.b);
+ if (w == 0 || h == 0) {
+ chr.texture_idx = -1;
+ chr.uv_rect = Rect2();
+ chr.rect = Rect2();
+ return chr;
+ }
int mw = w + p_rect_margin * 4;
int mh = h + p_rect_margin * 4;
@@ -489,12 +497,24 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(
#endif
#ifdef MODULE_FREETYPE_ENABLED
-_FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitmap(FontForSizeFallback *p_data, int p_rect_margin, FT_Bitmap bitmap, int yofs, int xofs, const Vector2 &advance, bool p_bgra) const {
- int w = bitmap.width;
- int h = bitmap.rows;
+_FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitmap(FontForSizeFallback *p_data, int p_rect_margin, FT_Bitmap p_bitmap, int p_yofs, int p_xofs, const Vector2 &p_advance, bool p_bgra) const {
+ FontGlyph chr;
+ chr.advance = p_advance * p_data->scale / p_data->oversampling;
+ chr.found = true;
+
+ int w = p_bitmap.width;
+ int h = p_bitmap.rows;
+
+ if (w == 0 || h == 0) {
+ chr.texture_idx = -1;
+ chr.uv_rect = Rect2();
+ chr.rect = Rect2();
+ return chr;
+ }
+
int color_size = 2;
- switch (bitmap.pixel_mode) {
+ switch (p_bitmap.pixel_mode) {
case FT_PIXEL_MODE_MONO:
case FT_PIXEL_MODE_GRAY: {
color_size = 2;
@@ -533,54 +553,54 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitma
for (int j = 0; j < w; j++) {
int ofs = ((i + tex_pos.y + p_rect_margin * 2) * tex.texture_w + j + tex_pos.x + p_rect_margin * 2) * color_size;
ERR_FAIL_COND_V(ofs >= tex.image->data_size(), FontGlyph());
- switch (bitmap.pixel_mode) {
+ switch (p_bitmap.pixel_mode) {
case FT_PIXEL_MODE_MONO: {
- int byte = i * bitmap.pitch + (j >> 3);
+ int byte = i * p_bitmap.pitch + (j >> 3);
int bit = 1 << (7 - (j % 8));
wr[ofs + 0] = 255; // grayscale as 1
- wr[ofs + 1] = (bitmap.buffer[byte] & bit) ? 255 : 0;
+ wr[ofs + 1] = (p_bitmap.buffer[byte] & bit) ? 255 : 0;
} break;
case FT_PIXEL_MODE_GRAY:
wr[ofs + 0] = 255; // grayscale as 1
- wr[ofs + 1] = bitmap.buffer[i * bitmap.pitch + j];
+ wr[ofs + 1] = p_bitmap.buffer[i * p_bitmap.pitch + j];
break;
case FT_PIXEL_MODE_BGRA: {
- int ofs_color = i * bitmap.pitch + (j << 2);
- wr[ofs + 2] = bitmap.buffer[ofs_color + 0];
- wr[ofs + 1] = bitmap.buffer[ofs_color + 1];
- wr[ofs + 0] = bitmap.buffer[ofs_color + 2];
- wr[ofs + 3] = bitmap.buffer[ofs_color + 3];
+ int ofs_color = i * p_bitmap.pitch + (j << 2);
+ wr[ofs + 2] = p_bitmap.buffer[ofs_color + 0];
+ wr[ofs + 1] = p_bitmap.buffer[ofs_color + 1];
+ wr[ofs + 0] = p_bitmap.buffer[ofs_color + 2];
+ wr[ofs + 3] = p_bitmap.buffer[ofs_color + 3];
} break;
case FT_PIXEL_MODE_LCD: {
- int ofs_color = i * bitmap.pitch + (j * 3);
+ int ofs_color = i * p_bitmap.pitch + (j * 3);
if (p_bgra) {
- wr[ofs + 0] = bitmap.buffer[ofs_color + 2];
- wr[ofs + 1] = bitmap.buffer[ofs_color + 1];
- wr[ofs + 2] = bitmap.buffer[ofs_color + 0];
+ wr[ofs + 0] = p_bitmap.buffer[ofs_color + 2];
+ wr[ofs + 1] = p_bitmap.buffer[ofs_color + 1];
+ wr[ofs + 2] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 3] = 255;
} else {
- wr[ofs + 0] = bitmap.buffer[ofs_color + 0];
- wr[ofs + 1] = bitmap.buffer[ofs_color + 1];
- wr[ofs + 2] = bitmap.buffer[ofs_color + 2];
+ wr[ofs + 0] = p_bitmap.buffer[ofs_color + 0];
+ wr[ofs + 1] = p_bitmap.buffer[ofs_color + 1];
+ wr[ofs + 2] = p_bitmap.buffer[ofs_color + 2];
wr[ofs + 3] = 255;
}
} break;
case FT_PIXEL_MODE_LCD_V: {
- int ofs_color = i * bitmap.pitch * 3 + j;
+ int ofs_color = i * p_bitmap.pitch * 3 + j;
if (p_bgra) {
- wr[ofs + 0] = bitmap.buffer[ofs_color + bitmap.pitch * 2];
- wr[ofs + 1] = bitmap.buffer[ofs_color + bitmap.pitch];
- wr[ofs + 2] = bitmap.buffer[ofs_color + 0];
+ wr[ofs + 0] = p_bitmap.buffer[ofs_color + p_bitmap.pitch * 2];
+ wr[ofs + 1] = p_bitmap.buffer[ofs_color + p_bitmap.pitch];
+ wr[ofs + 2] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 3] = 255;
} else {
- wr[ofs + 0] = bitmap.buffer[ofs_color + 0];
- wr[ofs + 1] = bitmap.buffer[ofs_color + bitmap.pitch];
- wr[ofs + 2] = bitmap.buffer[ofs_color + bitmap.pitch * 2];
+ wr[ofs + 0] = p_bitmap.buffer[ofs_color + 0];
+ wr[ofs + 1] = p_bitmap.buffer[ofs_color + p_bitmap.pitch];
+ wr[ofs + 2] = p_bitmap.buffer[ofs_color + p_bitmap.pitch * 2];
wr[ofs + 3] = 255;
}
} break;
default:
- ERR_FAIL_V_MSG(FontGlyph(), "Font uses unsupported pixel format: " + String::num_int64(bitmap.pixel_mode) + ".");
+ ERR_FAIL_V_MSG(FontGlyph(), "Font uses unsupported pixel format: " + String::num_int64(p_bitmap.pixel_mode) + ".");
break;
}
}
@@ -589,13 +609,10 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitma
tex.dirty = true;
- FontGlyph chr;
- chr.advance = advance * p_data->scale / p_data->oversampling;
chr.texture_idx = tex_pos.index;
- chr.found = true;
chr.uv_rect = Rect2(tex_pos.x + p_rect_margin, tex_pos.y + p_rect_margin, w + p_rect_margin * 2, h + p_rect_margin * 2);
- chr.rect.position = Vector2(xofs - p_rect_margin, -yofs - p_rect_margin) * p_data->scale / p_data->oversampling;
+ chr.rect.position = Vector2(p_xofs - p_rect_margin, -p_yofs - p_rect_margin) * p_data->scale / p_data->oversampling;
chr.rect.size = chr.uv_rect.size * p_data->scale / p_data->oversampling;
return chr;
}
@@ -857,8 +874,37 @@ _FORCE_INLINE_ bool TextServerFallback::_ensure_cache_for_size(FontFallback *p_f
fd->underline_thickness = (FT_MulFix(fd->face->underline_thickness, fd->face->size->metrics.y_scale) / 64.0) / fd->oversampling * fd->scale;
if (!p_font_data->face_init) {
- // Get style flags and name.
- if (fd->face->family_name != nullptr) {
+ // When a font does not provide a `family_name`, FreeType tries to synthesize one based on other names.
+ // FreeType automatically converts non-ASCII characters to "?" in the synthesized name.
+ // To avoid that behavior, use the format-specific name directly if available.
+ if (FT_IS_SFNT(fd->face)) {
+ int name_count = FT_Get_Sfnt_Name_Count(fd->face);
+ for (int i = 0; i < name_count; i++) {
+ FT_SfntName sfnt_name;
+ if (FT_Get_Sfnt_Name(fd->face, i, &sfnt_name) != 0) {
+ continue;
+ }
+ if (sfnt_name.name_id != TT_NAME_ID_FONT_FAMILY && sfnt_name.name_id != TT_NAME_ID_TYPOGRAPHIC_FAMILY) {
+ continue;
+ }
+ if (!p_font_data->font_name.is_empty() && sfnt_name.language_id != TT_MS_LANGID_ENGLISH_UNITED_STATES) {
+ continue;
+ }
+
+ switch (sfnt_name.platform_id) {
+ case TT_PLATFORM_APPLE_UNICODE: {
+ p_font_data->font_name.parse_utf16((const char16_t *)sfnt_name.string, sfnt_name.string_len / 2, false);
+ } break;
+
+ case TT_PLATFORM_MICROSOFT: {
+ if (sfnt_name.encoding_id == TT_MS_ID_UNICODE_CS || sfnt_name.encoding_id == TT_MS_ID_UCS_4) {
+ p_font_data->font_name.parse_utf16((const char16_t *)sfnt_name.string, sfnt_name.string_len / 2, false);
+ }
+ } break;
+ }
+ }
+ }
+ if (p_font_data->font_name.is_empty() && fd->face->family_name != nullptr) {
p_font_data->font_name = String::utf8((const char *)fd->face->family_name);
}
if (fd->face->style_name != nullptr) {
@@ -2536,9 +2582,6 @@ void TextServerFallback::_font_draw_glyph(const RID &p_font_rid, const RID &p_ca
const FontGlyph &gl = fd->cache[size]->glyph_map[index];
if (gl.found) {
- if (gl.uv_rect.size.x <= 2 || gl.uv_rect.size.y <= 2) {
- return; // Nothing to draw.
- }
ERR_FAIL_COND(gl.texture_idx < -1 || gl.texture_idx >= fd->cache[size]->textures.size());
if (gl.texture_idx != -1) {
@@ -2647,9 +2690,6 @@ void TextServerFallback::_font_draw_glyph_outline(const RID &p_font_rid, const R
const FontGlyph &gl = fd->cache[size]->glyph_map[index];
if (gl.found) {
- if (gl.uv_rect.size.x <= 2 || gl.uv_rect.size.y <= 2) {
- return; // Nothing to draw.
- }
ERR_FAIL_COND(gl.texture_idx < -1 || gl.texture_idx >= fd->cache[size]->textures.size());
if (gl.texture_idx != -1) {
@@ -4439,6 +4479,10 @@ String TextServerFallback::_string_to_lower(const String &p_string, const String
return p_string.to_lower();
}
+String TextServerFallback::_string_to_title(const String &p_string, const String &p_language) const {
+ return p_string.capitalize();
+}
+
PackedInt32Array TextServerFallback::_string_get_word_breaks(const String &p_string, const String &p_language, int64_t p_chars_per_line) const {
PackedInt32Array ret;