diff options
Diffstat (limited to 'modules/text_server_fb/dynamic_font_fb.cpp')
| -rw-r--r-- | modules/text_server_fb/dynamic_font_fb.cpp | 713 |
1 files changed, 0 insertions, 713 deletions
diff --git a/modules/text_server_fb/dynamic_font_fb.cpp b/modules/text_server_fb/dynamic_font_fb.cpp deleted file mode 100644 index 7e77987074..0000000000 --- a/modules/text_server_fb/dynamic_font_fb.cpp +++ /dev/null @@ -1,713 +0,0 @@ -/*************************************************************************/ -/* dynamic_font_fb.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ - -#include "dynamic_font_fb.h" - -#ifdef MODULE_FREETYPE_ENABLED - -#include FT_STROKER_H -#include FT_ADVANCES_H - -DynamicFontDataFallback::DataAtSize *DynamicFontDataFallback::get_data_for_size(int p_size, int p_outline_size) { - ERR_FAIL_COND_V(!valid, nullptr); - ERR_FAIL_COND_V(p_size < 0 || p_size > UINT16_MAX, nullptr); - ERR_FAIL_COND_V(p_outline_size < 0 || p_outline_size > UINT16_MAX, nullptr); - - CacheID id; - id.size = p_size; - id.outline_size = p_outline_size; - - DataAtSize *fds = nullptr; - Map<CacheID, DataAtSize *>::Element *E = nullptr; - if (p_outline_size != 0) { - E = size_cache_outline.find(id); - } else { - E = size_cache.find(id); - } - - if (E != nullptr) { - fds = E->get(); - } else { - if (font_mem == nullptr && font_path != String()) { - if (!font_mem_cache.is_empty()) { - font_mem = font_mem_cache.ptr(); - font_mem_size = font_mem_cache.size(); - } else { - FileAccess *f = FileAccess::open(font_path, FileAccess::READ); - if (!f) { - ERR_FAIL_V_MSG(nullptr, "Cannot open font file '" + font_path + "'."); - } - - uint64_t len = f->get_length(); - font_mem_cache.resize(len); - f->get_buffer(font_mem_cache.ptrw(), len); - font_mem = font_mem_cache.ptr(); - font_mem_size = len; - f->close(); - } - } - - int error = 0; - fds = memnew(DataAtSize); - if (font_mem) { - memset(&fds->stream, 0, sizeof(FT_StreamRec)); - fds->stream.base = (unsigned char *)font_mem; - fds->stream.size = font_mem_size; - fds->stream.pos = 0; - - FT_Open_Args fargs; - memset(&fargs, 0, sizeof(FT_Open_Args)); - fargs.memory_base = (unsigned char *)font_mem; - fargs.memory_size = font_mem_size; - fargs.flags = FT_OPEN_MEMORY; - fargs.stream = &fds->stream; - error = FT_Open_Face(library, &fargs, 0, &fds->face); - - } else { - memdelete(fds); - ERR_FAIL_V_MSG(nullptr, "DynamicFont uninitialized."); - } - - if (error == FT_Err_Unknown_File_Format) { - memdelete(fds); - ERR_FAIL_V_MSG(nullptr, "Unknown font format."); - - } else if (error) { - memdelete(fds); - ERR_FAIL_V_MSG(nullptr, "Error loading font."); - } - - oversampling = TS->font_get_oversampling(); - - if (FT_HAS_COLOR(fds->face) && fds->face->num_fixed_sizes > 0) { - int best_match = 0; - int diff = ABS(p_size - ((int64_t)fds->face->available_sizes[0].width)); - fds->scale_color_font = float(p_size * oversampling) / fds->face->available_sizes[0].width; - for (int i = 1; i < fds->face->num_fixed_sizes; i++) { - int ndiff = ABS(p_size - ((int64_t)fds->face->available_sizes[i].width)); - if (ndiff < diff) { - best_match = i; - diff = ndiff; - fds->scale_color_font = float(p_size * oversampling) / fds->face->available_sizes[i].width; - } - } - FT_Select_Size(fds->face, best_match); - } else { - FT_Set_Pixel_Sizes(fds->face, 0, p_size * oversampling); - } - - fds->size = p_size; - fds->ascent = (fds->face->size->metrics.ascender / 64.0) / oversampling * fds->scale_color_font; - fds->descent = (-fds->face->size->metrics.descender / 64.0) / oversampling * fds->scale_color_font; - fds->underline_position = (-FT_MulFix(fds->face->underline_position, fds->face->size->metrics.y_scale) / 64.0) / oversampling * fds->scale_color_font; - fds->underline_thickness = (FT_MulFix(fds->face->underline_thickness, fds->face->size->metrics.y_scale) / 64.0) / oversampling * fds->scale_color_font; - - if (p_outline_size != 0) { - size_cache_outline[id] = fds; - } else { - size_cache[id] = fds; - } - } - - return fds; -} - -DynamicFontDataFallback::TexturePosition DynamicFontDataFallback::find_texture_pos_for_glyph(DynamicFontDataFallback::DataAtSize *p_data, int p_color_size, Image::Format p_image_format, int p_width, int p_height) { - TexturePosition ret; - ret.index = -1; - - int mw = p_width; - int mh = p_height; - - for (int i = 0; i < p_data->textures.size(); i++) { - const CharTexture &ct = p_data->textures[i]; - - if (RenderingServer::get_singleton() != nullptr) { - if (ct.texture->get_format() != p_image_format) { - continue; - } - } - - if (mw > ct.texture_size || mh > ct.texture_size) { //too big for this texture - continue; - } - - ret.y = 0x7FFFFFFF; - ret.x = 0; - - for (int j = 0; j < ct.texture_size - mw; j++) { - int max_y = 0; - - for (int k = j; k < j + mw; k++) { - int y = ct.offsets[k]; - if (y > max_y) { - max_y = y; - } - } - - if (max_y < ret.y) { - ret.y = max_y; - ret.x = j; - } - } - - if (ret.y == 0x7FFFFFFF || ret.y + mh > ct.texture_size) { - continue; //fail, could not fit it here - } - - ret.index = i; - break; - } - - if (ret.index == -1) { - //could not find texture to fit, create one - ret.x = 0; - ret.y = 0; - - int texsize = MAX(p_data->size * oversampling * 8, 256); - if (mw > texsize) { - texsize = mw; //special case, adapt to it? - } - if (mh > texsize) { - texsize = mh; //special case, adapt to it? - } - - texsize = next_power_of_2(texsize); - - texsize = MIN(texsize, 4096); - - CharTexture tex; - tex.texture_size = texsize; - tex.imgdata.resize(texsize * texsize * p_color_size); //grayscale alpha - - { - //zero texture - uint8_t *w = tex.imgdata.ptrw(); - ERR_FAIL_COND_V(texsize * texsize * p_color_size > tex.imgdata.size(), ret); - // Initialize the texture to all-white pixels to prevent artifacts when the - // font is displayed at a non-default scale with filtering enabled. - if (p_color_size == 2) { - for (int i = 0; i < texsize * texsize * p_color_size; i += 2) { // FORMAT_LA8 - w[i + 0] = 255; - w[i + 1] = 0; - } - } else if (p_color_size == 4) { - for (int i = 0; i < texsize * texsize * p_color_size; i += 4) { // FORMAT_RGBA8 - w[i + 0] = 255; - w[i + 1] = 255; - w[i + 2] = 255; - w[i + 3] = 0; - } - } else { - ERR_FAIL_V(ret); - } - } - tex.offsets.resize(texsize); - for (int i = 0; i < texsize; i++) { //zero offsets - tex.offsets.write[i] = 0; - } - - p_data->textures.push_back(tex); - ret.index = p_data->textures.size() - 1; - } - - return ret; -} - -DynamicFontDataFallback::Character DynamicFontDataFallback::Character::not_found() { - Character ch; - return ch; -} - -DynamicFontDataFallback::Character DynamicFontDataFallback::bitmap_to_character(DynamicFontDataFallback::DataAtSize *p_data, FT_Bitmap bitmap, int yofs, int xofs, const Vector2 &advance) { - int w = bitmap.width; - int h = bitmap.rows; - - int mw = w + rect_margin * 2; - int mh = h + rect_margin * 2; - - ERR_FAIL_COND_V(mw > 4096, Character::not_found()); - ERR_FAIL_COND_V(mh > 4096, Character::not_found()); - - int color_size = bitmap.pixel_mode == FT_PIXEL_MODE_BGRA ? 4 : 2; - Image::Format require_format = color_size == 4 ? Image::FORMAT_RGBA8 : Image::FORMAT_LA8; - - TexturePosition tex_pos = find_texture_pos_for_glyph(p_data, color_size, require_format, mw, mh); - ERR_FAIL_COND_V(tex_pos.index < 0, Character::not_found()); - - //fit character in char texture - - CharTexture &tex = p_data->textures.write[tex_pos.index]; - - { - uint8_t *wr = tex.imgdata.ptrw(); - - for (int i = 0; i < h; i++) { - for (int j = 0; j < w; j++) { - int ofs = ((i + tex_pos.y + rect_margin) * tex.texture_size + j + tex_pos.x + rect_margin) * color_size; - ERR_FAIL_COND_V(ofs >= tex.imgdata.size(), Character::not_found()); - switch (bitmap.pixel_mode) { - case FT_PIXEL_MODE_MONO: { - int byte = i * 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; - } break; - case FT_PIXEL_MODE_GRAY: - wr[ofs + 0] = 255; //grayscale as 1 - wr[ofs + 1] = bitmap.buffer[i * 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]; - } break; - // TODO: FT_PIXEL_MODE_LCD - default: - ERR_FAIL_V_MSG(Character::not_found(), "Font uses unsupported pixel format: " + itos(bitmap.pixel_mode) + "."); - break; - } - } - } - } - - //blit to image and texture - { - if (RenderingServer::get_singleton() != nullptr) { - Ref<Image> img = memnew(Image(tex.texture_size, tex.texture_size, 0, require_format, tex.imgdata)); - - if (tex.texture.is_null()) { - tex.texture.instantiate(); - tex.texture->create_from_image(img); - } else { - tex.texture->update(img); //update - } - } - } - - // update height array - for (int k = tex_pos.x; k < tex_pos.x + mw; k++) { - tex.offsets.write[k] = tex_pos.y + mh; - } - - Character chr; - chr.align = (Vector2(xofs, -yofs) * p_data->scale_color_font / oversampling).round(); - chr.advance = (advance * p_data->scale_color_font / oversampling).round(); - chr.texture_idx = tex_pos.index; - chr.found = true; - - chr.rect_uv = Rect2(tex_pos.x + rect_margin, tex_pos.y + rect_margin, w, h); - chr.rect = chr.rect_uv; - chr.rect.position /= oversampling; - chr.rect.size *= (p_data->scale_color_font / oversampling); - return chr; -} - -void DynamicFontDataFallback::update_char(int p_size, char32_t p_char) { - DataAtSize *fds = get_data_for_size(p_size, false); - ERR_FAIL_COND(fds == nullptr); - - if (fds->char_map.has(p_char)) { - return; - } - - Character character = Character::not_found(); - - FT_GlyphSlot slot = fds->face->glyph; - FT_UInt gl_index = FT_Get_Char_Index(fds->face, p_char); - - if (gl_index == 0) { - fds->char_map[p_char] = character; - return; - } - - int ft_hinting; - switch (hinting) { - case TextServer::HINTING_NONE: - ft_hinting = FT_LOAD_NO_HINTING; - break; - case TextServer::HINTING_LIGHT: - ft_hinting = FT_LOAD_TARGET_LIGHT; - break; - default: - ft_hinting = FT_LOAD_TARGET_NORMAL; - break; - } - - FT_Fixed v, h; - FT_Get_Advance(fds->face, gl_index, FT_HAS_COLOR(fds->face) ? FT_LOAD_COLOR : FT_LOAD_DEFAULT | (force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0) | ft_hinting, &h); - FT_Get_Advance(fds->face, gl_index, FT_HAS_COLOR(fds->face) ? FT_LOAD_COLOR : FT_LOAD_DEFAULT | (force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0) | ft_hinting | FT_LOAD_VERTICAL_LAYOUT, &v); - - int error = FT_Load_Glyph(fds->face, gl_index, FT_HAS_COLOR(fds->face) ? FT_LOAD_COLOR : FT_LOAD_DEFAULT | (force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0) | ft_hinting); - if (error) { - fds->char_map[p_char] = character; - return; - } - - error = FT_Render_Glyph(fds->face->glyph, antialiased ? FT_RENDER_MODE_NORMAL : FT_RENDER_MODE_MONO); - if (!error) { - character = bitmap_to_character(fds, slot->bitmap, slot->bitmap_top, slot->bitmap_left, Vector2((h + (1 << 9)) >> 10, (v + (1 << 9)) >> 10) / 64.0); - } - - fds->char_map[p_char] = character; -} - -void DynamicFontDataFallback::update_char_outline(int p_size, int p_outline_size, char32_t p_char) { - DataAtSize *fds = get_data_for_size(p_size, p_outline_size); - ERR_FAIL_COND(fds == nullptr); - - if (fds->char_map.has(p_char)) { - return; - } - - Character character = Character::not_found(); - FT_UInt gl_index = FT_Get_Char_Index(fds->face, p_char); - - if (gl_index == 0) { - fds->char_map[p_char] = character; - return; - } - - int error = FT_Load_Glyph(fds->face, gl_index, FT_LOAD_NO_BITMAP | (force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0)); - if (error) { - fds->char_map[p_char] = character; - return; - } - - FT_Stroker stroker; - if (FT_Stroker_New(library, &stroker) != 0) { - fds->char_map[p_char] = character; - return; - } - - FT_Stroker_Set(stroker, (int)(p_outline_size * oversampling * 64.0), FT_STROKER_LINECAP_BUTT, FT_STROKER_LINEJOIN_ROUND, 0); - FT_Glyph glyph; - FT_BitmapGlyph glyph_bitmap; - - if (FT_Get_Glyph(fds->face->glyph, &glyph) != 0) { - goto cleanup_stroker; - } - if (FT_Glyph_Stroke(&glyph, stroker, 1) != 0) { - goto cleanup_glyph; - } - if (FT_Glyph_To_Bitmap(&glyph, antialiased ? FT_RENDER_MODE_NORMAL : FT_RENDER_MODE_MONO, nullptr, 1) != 0) { - goto cleanup_glyph; - } - - glyph_bitmap = (FT_BitmapGlyph)glyph; - character = bitmap_to_character(fds, glyph_bitmap->bitmap, glyph_bitmap->top, glyph_bitmap->left, Vector2()); - -cleanup_glyph: - FT_Done_Glyph(glyph); -cleanup_stroker: - FT_Stroker_Done(stroker); - - fds->char_map[p_char] = character; -} - -void DynamicFontDataFallback::clear_cache() { - _THREAD_SAFE_METHOD_ - for (Map<CacheID, DataAtSize *>::Element *E = size_cache.front(); E; E = E->next()) { - memdelete(E->get()); - } - size_cache.clear(); - for (Map<CacheID, DataAtSize *>::Element *E = size_cache_outline.front(); E; E = E->next()) { - memdelete(E->get()); - } - size_cache_outline.clear(); -} - -Error DynamicFontDataFallback::load_from_file(const String &p_filename, int p_base_size) { - _THREAD_SAFE_METHOD_ - if (library == nullptr) { - int error = FT_Init_FreeType(&library); - ERR_FAIL_COND_V_MSG(error != 0, ERR_CANT_CREATE, "Error initializing FreeType."); - } - clear_cache(); - - font_path = p_filename; - base_size = p_base_size; - - valid = true; - DataAtSize *fds = get_data_for_size(base_size); // load base size. - if (fds == nullptr) { - valid = false; - ERR_FAIL_V(ERR_CANT_CREATE); - } - - return OK; -} - -Error DynamicFontDataFallback::load_from_memory(const uint8_t *p_data, size_t p_size, int p_base_size) { - _THREAD_SAFE_METHOD_ - if (library == nullptr) { - int error = FT_Init_FreeType(&library); - ERR_FAIL_COND_V_MSG(error != 0, ERR_CANT_CREATE, "Error initializing FreeType."); - } - clear_cache(); - - font_mem = p_data; - font_mem_size = p_size; - base_size = p_base_size; - - valid = true; - DataAtSize *fds = get_data_for_size(base_size); // load base size. - if (fds == nullptr) { - valid = false; - ERR_FAIL_V(ERR_CANT_CREATE); - } - - return OK; -} - -float DynamicFontDataFallback::get_height(int p_size) const { - _THREAD_SAFE_METHOD_ - DataAtSize *fds = const_cast<DynamicFontDataFallback *>(this)->get_data_for_size(p_size); - ERR_FAIL_COND_V(fds == nullptr, 0.f); - return fds->ascent + fds->descent; -} - -float DynamicFontDataFallback::get_ascent(int p_size) const { - _THREAD_SAFE_METHOD_ - DataAtSize *fds = const_cast<DynamicFontDataFallback *>(this)->get_data_for_size(p_size); - ERR_FAIL_COND_V(fds == nullptr, 0.f); - return fds->ascent; -} - -float DynamicFontDataFallback::get_descent(int p_size) const { - _THREAD_SAFE_METHOD_ - DataAtSize *fds = const_cast<DynamicFontDataFallback *>(this)->get_data_for_size(p_size); - ERR_FAIL_COND_V(fds == nullptr, 0.f); - return fds->descent; -} - -float DynamicFontDataFallback::get_underline_position(int p_size) const { - _THREAD_SAFE_METHOD_ - DataAtSize *fds = const_cast<DynamicFontDataFallback *>(this)->get_data_for_size(p_size); - ERR_FAIL_COND_V(fds == nullptr, 0.f); - return fds->underline_position; -} - -float DynamicFontDataFallback::get_underline_thickness(int p_size) const { - _THREAD_SAFE_METHOD_ - DataAtSize *fds = const_cast<DynamicFontDataFallback *>(this)->get_data_for_size(p_size); - ERR_FAIL_COND_V(fds == nullptr, 0.f); - return fds->underline_thickness; -} - -void DynamicFontDataFallback::set_antialiased(bool p_antialiased) { - if (antialiased != p_antialiased) { - clear_cache(); - antialiased = p_antialiased; - } -} - -bool DynamicFontDataFallback::get_antialiased() const { - return antialiased; -} - -void DynamicFontDataFallback::set_force_autohinter(bool p_enabled) { - if (force_autohinter != p_enabled) { - clear_cache(); - force_autohinter = p_enabled; - } -} - -bool DynamicFontDataFallback::get_force_autohinter() const { - return force_autohinter; -} - -void DynamicFontDataFallback::set_hinting(TextServer::Hinting p_hinting) { - if (hinting != p_hinting) { - clear_cache(); - hinting = p_hinting; - } -} - -TextServer::Hinting DynamicFontDataFallback::get_hinting() const { - return hinting; -} - -bool DynamicFontDataFallback::has_outline() const { - return true; -} - -float DynamicFontDataFallback::get_base_size() const { - return base_size; -} - -bool DynamicFontDataFallback::has_char(char32_t p_char) const { - _THREAD_SAFE_METHOD_ - DataAtSize *fds = const_cast<DynamicFontDataFallback *>(this)->get_data_for_size(base_size); - ERR_FAIL_COND_V(fds == nullptr, false); - - const_cast<DynamicFontDataFallback *>(this)->update_char(base_size, p_char); - Character ch = fds->char_map[p_char]; - - return (ch.found); -} - -String DynamicFontDataFallback::get_supported_chars() const { - _THREAD_SAFE_METHOD_ - DataAtSize *fds = const_cast<DynamicFontDataFallback *>(this)->get_data_for_size(base_size); - ERR_FAIL_COND_V(fds == nullptr, String()); - - String chars; - - FT_UInt gindex; - FT_ULong charcode = FT_Get_First_Char(fds->face, &gindex); - while (gindex != 0) { - if (charcode != 0) { - chars += char32_t(charcode); - } - charcode = FT_Get_Next_Char(fds->face, charcode, &gindex); - } - - return chars; -} - -Vector2 DynamicFontDataFallback::get_advance(char32_t p_char, int p_size) const { - _THREAD_SAFE_METHOD_ - DataAtSize *fds = const_cast<DynamicFontDataFallback *>(this)->get_data_for_size(p_size); - ERR_FAIL_COND_V(fds == nullptr, Vector2()); - - const_cast<DynamicFontDataFallback *>(this)->update_char(p_size, p_char); - Character ch = fds->char_map[p_char]; - - return ch.advance; -} - -Vector2 DynamicFontDataFallback::get_kerning(char32_t p_char, char32_t p_next, int p_size) const { - _THREAD_SAFE_METHOD_ - DataAtSize *fds = const_cast<DynamicFontDataFallback *>(this)->get_data_for_size(p_size); - ERR_FAIL_COND_V(fds == nullptr, Vector2()); - - FT_Vector delta; - FT_Get_Kerning(fds->face, FT_Get_Char_Index(fds->face, p_char), FT_Get_Char_Index(fds->face, p_next), FT_KERNING_DEFAULT, &delta); - return Vector2(delta.x, delta.y); -} - -Vector2 DynamicFontDataFallback::draw_glyph(RID p_canvas, int p_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color) const { - _THREAD_SAFE_METHOD_ - DataAtSize *fds = const_cast<DynamicFontDataFallback *>(this)->get_data_for_size(p_size); - ERR_FAIL_COND_V(fds == nullptr, Vector2()); - - const_cast<DynamicFontDataFallback *>(this)->update_char(p_size, p_index); - Character ch = fds->char_map[p_index]; - - Vector2 advance; - if (ch.found) { - ERR_FAIL_COND_V(ch.texture_idx < -1 || ch.texture_idx >= fds->textures.size(), Vector2()); - - if (ch.texture_idx != -1) { - Point2i cpos = p_pos; - cpos += ch.align; - - Color modulate = p_color; - if (FT_HAS_COLOR(fds->face)) { - modulate.r = modulate.g = modulate.b = 1.0; - } - if (RenderingServer::get_singleton() != nullptr) { - RID texture = fds->textures[ch.texture_idx].texture->get_rid(); - RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, ch.rect.size), texture, ch.rect_uv, modulate, false, false); - } - } - - advance = ch.advance; - } - - return advance; -} - -Vector2 DynamicFontDataFallback::draw_glyph_outline(RID p_canvas, int p_size, int p_outline_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color) const { - _THREAD_SAFE_METHOD_ - DataAtSize *fds = const_cast<DynamicFontDataFallback *>(this)->get_data_for_size(p_size, p_outline_size); - ERR_FAIL_COND_V(fds == nullptr, Vector2()); - - const_cast<DynamicFontDataFallback *>(this)->update_char_outline(p_size, p_outline_size, p_index); - Character ch = fds->char_map[p_index]; - - Vector2 advance; - if (ch.found) { - ERR_FAIL_COND_V(ch.texture_idx < -1 || ch.texture_idx >= fds->textures.size(), Vector2()); - - if (ch.texture_idx != -1) { - Point2i cpos = p_pos; - cpos += ch.align; - - Color modulate = p_color; - if (FT_HAS_COLOR(fds->face)) { - modulate.r = modulate.g = modulate.b = 1.0; - } - if (RenderingServer::get_singleton() != nullptr) { - RID texture = fds->textures[ch.texture_idx].texture->get_rid(); - RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, ch.rect.size), texture, ch.rect_uv, modulate, false, false); - } - } - - advance = ch.advance; - } - - return advance; -} - -bool DynamicFontDataFallback::get_glyph_contours(int p_size, uint32_t p_index, Vector<Vector3> &r_points, Vector<int32_t> &r_contours, bool &r_orientation) const { - _THREAD_SAFE_METHOD_ - DataAtSize *fds = const_cast<DynamicFontDataFallback *>(this)->get_data_for_size(p_size); - ERR_FAIL_COND_V(fds == nullptr, false); - - int error = FT_Load_Glyph(fds->face, p_index, FT_LOAD_NO_BITMAP | (force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0)); - ERR_FAIL_COND_V(error, false); - - r_points.clear(); - r_contours.clear(); - - float h = fds->ascent; - float scale = (1.0 / 64.0) / oversampling * fds->scale_color_font; - for (short i = 0; i < fds->face->glyph->outline.n_points; i++) { - r_points.push_back(Vector3(fds->face->glyph->outline.points[i].x * scale, h - fds->face->glyph->outline.points[i].y * scale, FT_CURVE_TAG(fds->face->glyph->outline.tags[i]))); - } - for (short i = 0; i < fds->face->glyph->outline.n_contours; i++) { - r_contours.push_back(fds->face->glyph->outline.contours[i]); - } - r_orientation = (FT_Outline_Get_Orientation(&fds->face->glyph->outline) == FT_ORIENTATION_FILL_RIGHT); - return true; -} - -DynamicFontDataFallback::~DynamicFontDataFallback() { - clear_cache(); - if (library != nullptr) { - FT_Done_FreeType(library); - } -} - -#endif // MODULE_FREETYPE_ENABLED |