diff options
Diffstat (limited to 'modules/text_server_fb')
| -rw-r--r-- | modules/text_server_fb/SCsub | 3 | ||||
| -rw-r--r-- | modules/text_server_fb/gdextension_build/SConstruct | 74 | ||||
| -rw-r--r-- | modules/text_server_fb/text_server_fb.cpp | 14 | ||||
| -rw-r--r-- | modules/text_server_fb/text_server_fb.h | 3 | ||||
| -rw-r--r-- | modules/text_server_fb/thorvg_bounds_iterator.cpp | 70 | ||||
| -rw-r--r-- | modules/text_server_fb/thorvg_bounds_iterator.h | 58 | ||||
| -rw-r--r-- | modules/text_server_fb/thorvg_svg_in_ot.cpp | 320 | ||||
| -rw-r--r-- | modules/text_server_fb/thorvg_svg_in_ot.h | 86 |
8 files changed, 626 insertions, 2 deletions
diff --git a/modules/text_server_fb/SCsub b/modules/text_server_fb/SCsub index 429d2e1fdc..f1d57ec4d3 100644 --- a/modules/text_server_fb/SCsub +++ b/modules/text_server_fb/SCsub @@ -8,6 +8,9 @@ msdfgen_enabled = "msdfgen" in env.module_list env_text_server_fb = env_modules.Clone() +if "svg" in env.module_list: + env_text_server_fb.Prepend(CPPPATH=["#thirdparty/thorvg/inc", "#thirdparty/thorvg/src/lib"]) + if env["builtin_msdfgen"] and msdfgen_enabled: env_text_server_fb.Prepend(CPPPATH=["#thirdparty/msdfgen"]) diff --git a/modules/text_server_fb/gdextension_build/SConstruct b/modules/text_server_fb/gdextension_build/SConstruct index 8ed8f61a43..7b4c548a21 100644 --- a/modules/text_server_fb/gdextension_build/SConstruct +++ b/modules/text_server_fb/gdextension_build/SConstruct @@ -22,6 +22,7 @@ opts = Variables([], ARGUMENTS) opts.Add(BoolVariable("brotli_enabled", "Use Brotli library", True)) opts.Add(BoolVariable("freetype_enabled", "Use FreeType library", True)) opts.Add(BoolVariable("msdfgen_enabled", "Use MSDFgen library (require FreeType)", True)) +opts.Add(BoolVariable("thorvg_enabled", "Use ThorVG library (require FreeType)", True)) opts.Add(BoolVariable("verbose", "Enable verbose output for the compilation", False)) opts.Update(env) @@ -29,6 +30,79 @@ opts.Update(env) if not env["verbose"]: methods.no_verbose(sys, env) +# ThorVG +if env["thorvg_enabled"] and env["freetype_enabled"]: + env_tvg = env.Clone() + env_tvg.disable_warnings() + + thirdparty_tvg_dir = "../../../thirdparty/thorvg/" + thirdparty_tvg_sources = [ + "src/lib/sw_engine/tvgSwFill.cpp", + "src/lib/sw_engine/tvgSwImage.cpp", + "src/lib/sw_engine/tvgSwMath.cpp", + "src/lib/sw_engine/tvgSwMemPool.cpp", + "src/lib/sw_engine/tvgSwRaster.cpp", + "src/lib/sw_engine/tvgSwRenderer.cpp", + "src/lib/sw_engine/tvgSwRle.cpp", + "src/lib/sw_engine/tvgSwShape.cpp", + "src/lib/sw_engine/tvgSwStroke.cpp", + "src/lib/tvgAccessor.cpp", + "src/lib/tvgBezier.cpp", + "src/lib/tvgCanvas.cpp", + "src/lib/tvgFill.cpp", + "src/lib/tvgGlCanvas.cpp", + "src/lib/tvgInitializer.cpp", + "src/lib/tvgLinearGradient.cpp", + "src/lib/tvgLoader.cpp", + "src/lib/tvgLzw.cpp", + "src/lib/tvgPaint.cpp", + "src/lib/tvgPicture.cpp", + "src/lib/tvgRadialGradient.cpp", + "src/lib/tvgRender.cpp", + "src/lib/tvgSaver.cpp", + "src/lib/tvgScene.cpp", + "src/lib/tvgShape.cpp", + "src/lib/tvgSwCanvas.cpp", + "src/lib/tvgTaskScheduler.cpp", + "src/loaders/external_png/tvgPngLoader.cpp", + "src/loaders/jpg/tvgJpgd.cpp", + "src/loaders/jpg/tvgJpgLoader.cpp", + "src/loaders/raw/tvgRawLoader.cpp", + "src/loaders/svg/tvgSvgCssStyle.cpp", + "src/loaders/svg/tvgSvgLoader.cpp", + "src/loaders/svg/tvgSvgPath.cpp", + "src/loaders/svg/tvgSvgSceneBuilder.cpp", + "src/loaders/svg/tvgSvgUtil.cpp", + "src/loaders/svg/tvgXmlParser.cpp", + "src/loaders/tvg/tvgTvgBinInterpreter.cpp", + "src/loaders/tvg/tvgTvgLoader.cpp", + "src/savers/tvg/tvgTvgSaver.cpp", + ] + thirdparty_tvg_sources = [thirdparty_tvg_dir + file for file in thirdparty_tvg_sources] + + env_tvg.Append( + CPPPATH=[ + "../../../thirdparty/thorvg/inc", + "../../../thirdparty/thorvg/src/lib", + "../../../thirdparty/thorvg/src/lib/sw_engine", + "../../../thirdparty/thorvg/src/loaders/external_png", + "../../../thirdparty/thorvg/src/loaders/jpg", + "../../../thirdparty/thorvg/src/loaders/raw", + "../../../thirdparty/thorvg/src/loaders/svg", + "../../../thirdparty/thorvg/src/loaders/tvg", + "../../../thirdparty/thorvg/src/savers/tvg", + "../../../thirdparty/libpng", + ] + ) + env.Append(CPPPATH=["../../../thirdparty/thorvg/inc", "../../../thirdparty/thorvg/src/lib"]) + env.Append(CPPDEFINES=["MODULE_SVG_ENABLED"]) + + lib = env_tvg.Library( + f'tvg_builtin{env["suffix"]}{env["LIBSUFFIX"]}', + thirdparty_tvg_sources, + ) + env.Append(LIBS=[lib]) + # MSDFGEN if env["msdfgen_enabled"] and env["freetype_enabled"]: env_msdfgen = env.Clone() diff --git a/modules/text_server_fb/text_server_fb.cpp b/modules/text_server_fb/text_server_fb.cpp index 999870b904..aaef9c9a3d 100644 --- a/modules/text_server_fb/text_server_fb.cpp +++ b/modules/text_server_fb/text_server_fb.cpp @@ -41,6 +41,8 @@ using namespace godot; +#define GLOBAL_GET(m_var) ProjectSettings::get_singleton()->get(m_var) + #else // Headers for building as built-in module. @@ -49,7 +51,7 @@ using namespace godot; #include "core/string/print_string.h" #include "core/string/ucaps.h" -#include "modules/modules_enabled.gen.h" // For freetype, msdfgen. +#include "modules/modules_enabled.gen.h" // For freetype, msdfgen, svg. #endif @@ -62,6 +64,10 @@ using namespace godot; #include "msdfgen.h" #endif +#ifdef MODULE_SVG_ENABLED +#include "thorvg_svg_in_ot.h" +#endif + /*************************************************************************/ #define OT_TAG(c1, c2, c3, c4) ((int32_t)((((uint32_t)(c1)&0xff) << 24) | (((uint32_t)(c2)&0xff) << 16) | (((uint32_t)(c3)&0xff) << 8) | ((uint32_t)(c4)&0xff))) @@ -771,6 +777,9 @@ _FORCE_INLINE_ bool TextServerFallback::_ensure_cache_for_size(FontFallback *p_f memdelete(fd); ERR_FAIL_V_MSG(false, "FreeType: Error initializing library: '" + String(FT_Error_String(error)) + "'."); } +#ifdef MODULE_SVG_ENABLED + FT_Property_Set(ft_library, "ot-svg", "svg-hooks", get_tvg_svg_in_ot_hooks()); +#endif } memset(&fd->stream, 0, sizeof(FT_StreamRec)); @@ -992,6 +1001,9 @@ int64_t TextServerFallback::_font_get_face_count(const RID &p_font_rid) const { if (!ft_library) { error = FT_Init_FreeType(&ft_library); ERR_FAIL_COND_V_MSG(error != 0, false, "FreeType: Error initializing library: '" + String(FT_Error_String(error)) + "'."); +#ifdef MODULE_SVG_ENABLED + FT_Property_Set(ft_library, "ot-svg", "svg-hooks", get_tvg_svg_in_ot_hooks()); +#endif } FT_StreamRec stream; diff --git a/modules/text_server_fb/text_server_fb.h b/modules/text_server_fb/text_server_fb.h index 151ae13904..7e0bc99618 100644 --- a/modules/text_server_fb/text_server_fb.h +++ b/modules/text_server_fb/text_server_fb.h @@ -87,7 +87,7 @@ using namespace godot; #include "core/templates/rid_owner.h" #include "scene/resources/texture.h" -#include "modules/modules_enabled.gen.h" // For freetype, msdfgen. +#include "modules/modules_enabled.gen.h" // For freetype, msdfgen, svg. #endif @@ -101,6 +101,7 @@ using namespace godot; #include FT_ADVANCES_H #include FT_MULTIPLE_MASTERS_H #include FT_BBOX_H +#include FT_MODULE_H #include FT_CONFIG_OPTIONS_H #if !defined(FT_CONFIG_OPTION_USE_BROTLI) && !defined(_MSC_VER) #warning FreeType is configured without Brotli support, built-in fonts will not be available. diff --git a/modules/text_server_fb/thorvg_bounds_iterator.cpp b/modules/text_server_fb/thorvg_bounds_iterator.cpp new file mode 100644 index 0000000000..54a6136134 --- /dev/null +++ b/modules/text_server_fb/thorvg_bounds_iterator.cpp @@ -0,0 +1,70 @@ +/*************************************************************************/ +/* thorvg_bounds_iterator.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 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. */ +/*************************************************************************/ + +#ifdef GDEXTENSION +// Headers for building as GDExtension plug-in. + +#include <godot_cpp/godot.hpp> + +using namespace godot; + +#else +// Headers for building as built-in module. + +#include "core/typedefs.h" + +#include "modules/modules_enabled.gen.h" // For svg. +#endif + +#ifdef MODULE_SVG_ENABLED + +#include "thorvg_bounds_iterator.h" + +#include <tvgIteratorAccessor.h> +#include <tvgPaint.h> + +// This function uses private ThorVG API to get bounding box of top level children elements. + +void tvg_get_bounds(tvg::Picture *p_picture, float &r_min_x, float &r_min_y, float &r_max_x, float &r_max_y) { + tvg::IteratorAccessor itrAccessor; + if (tvg::Iterator *it = itrAccessor.iterator(p_picture)) { + while (const tvg::Paint *child = it->next()) { + float x = 0, y = 0, w = 0, h = 0; + child->bounds(&x, &y, &w, &h, true); + r_min_x = MIN(x, r_min_x); + r_min_y = MIN(y, r_min_y); + r_max_x = MAX(x + w, r_max_x); + r_max_y = MAX(y + h, r_max_y); + } + delete (it); + } +} + +#endif // MODULE_SVG_ENABLED diff --git a/modules/text_server_fb/thorvg_bounds_iterator.h b/modules/text_server_fb/thorvg_bounds_iterator.h new file mode 100644 index 0000000000..e54e30eaa2 --- /dev/null +++ b/modules/text_server_fb/thorvg_bounds_iterator.h @@ -0,0 +1,58 @@ +/*************************************************************************/ +/* thorvg_bounds_iterator.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 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. */ +/*************************************************************************/ + +#ifndef THORVG_BOUNDS_ITERATOR_H +#define THORVG_BOUNDS_ITERATOR_H + +#ifdef GDEXTENSION +// Headers for building as GDExtension plug-in. + +#include <godot_cpp/core/mutex_lock.hpp> +#include <godot_cpp/godot.hpp> + +using namespace godot; + +#else +// Headers for building as built-in module. + +#include "core/typedefs.h" + +#include "modules/modules_enabled.gen.h" // For svg. +#endif + +#ifdef MODULE_SVG_ENABLED + +#include <thorvg.h> + +void tvg_get_bounds(tvg::Picture *p_picture, float &r_min_x, float &r_min_y, float &r_max_x, float &r_max_y); + +#endif // MODULE_SVG_ENABLED + +#endif // THORVG_BOUNDS_ITERATOR_H diff --git a/modules/text_server_fb/thorvg_svg_in_ot.cpp b/modules/text_server_fb/thorvg_svg_in_ot.cpp new file mode 100644 index 0000000000..7863ab67fa --- /dev/null +++ b/modules/text_server_fb/thorvg_svg_in_ot.cpp @@ -0,0 +1,320 @@ +/*************************************************************************/ +/* thorvg_svg_in_ot.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 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. */ +/*************************************************************************/ + +#ifdef GDEXTENSION +// Headers for building as GDExtension plug-in. + +#include <godot_cpp/classes/xml_parser.hpp> +#include <godot_cpp/core/mutex_lock.hpp> +#include <godot_cpp/godot.hpp> +#include <godot_cpp/templates/vector.hpp> + +using namespace godot; + +#else +// Headers for building as built-in module. + +#include "core/error/error_macros.h" +#include "core/io/xml_parser.h" +#include "core/os/memory.h" +#include "core/os/os.h" +#include "core/string/ustring.h" +#include "core/typedefs.h" +#include "core/variant/variant.h" + +#include "modules/modules_enabled.gen.h" // For svg. +#endif + +#ifdef MODULE_SVG_ENABLED + +#include "thorvg_bounds_iterator.h" +#include "thorvg_svg_in_ot.h" + +#include <freetype/otsvg.h> +#include <ft2build.h> + +#include <math.h> +#include <stdlib.h> + +FT_Error tvg_svg_in_ot_init(FT_Pointer *p_state) { + *p_state = memnew(TVG_State); + + return FT_Err_Ok; +} + +void tvg_svg_in_ot_free(FT_Pointer *p_state) { + TVG_State *state = *reinterpret_cast<TVG_State **>(p_state); + memdelete(state); +} + +FT_Error tvg_svg_in_ot_preset_slot(FT_GlyphSlot p_slot, FT_Bool p_cache, FT_Pointer *p_state) { + TVG_State *state = *reinterpret_cast<TVG_State **>(p_state); + if (!state) { + ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "SVG in OT state not initialized."); + } + MutexLock lock(state->mutex); + + FT_SVG_Document document = (FT_SVG_Document)p_slot->other; + FT_Size_Metrics metrics = document->metrics; + + GL_State &gl_state = state->glyph_map[p_slot->glyph_index]; + if (!gl_state.ready) { + Ref<XMLParser> parser; + parser.instantiate(); +#ifdef GDEXTENSION + PackedByteArray data; + data.resize(document->svg_document_length); + memcpy(data.ptrw(), document->svg_document, document->svg_document_length); + parser->open_buffer(data); +#else + parser->_open_buffer((const uint8_t *)document->svg_document, document->svg_document_length); +#endif + + float aspect = 1.0f; + String xml_body; + while (parser->read() == OK) { + if (parser->has_attribute("id")) { +#ifdef GDEXTENSION + const String &gl_name = parser->get_named_attribute_value("id"); +#else + const String &gl_name = parser->get_attribute_value("id"); +#endif + if (gl_name.begins_with("glyph")) { + int dot_pos = gl_name.find("."); + int64_t gl_idx = gl_name.substr(5, (dot_pos > 0) ? dot_pos - 5 : -1).to_int(); + if (p_slot->glyph_index != gl_idx) { + parser->skip_section(); + continue; + } + } + } + if (parser->get_node_type() == XMLParser::NODE_ELEMENT && parser->get_node_name() == "svg") { + if (parser->has_attribute("viewBox")) { +#ifdef GDEXTENSION + PackedStringArray vb = parser->get_named_attribute_value("viewBox").split(" "); +#else + Vector<String> vb = parser->get_attribute_value("viewBox").split(" "); +#endif + + if (vb.size() == 4) { + aspect = vb[2].to_float() / vb[3].to_float(); + } + } + continue; + } +#ifdef GDEXTENSION + if (parser->get_node_type() == XMLParser::NODE_ELEMENT) { + xml_body = xml_body + "<" + parser->get_node_name(); + for (int i = 0; i < parser->get_attribute_count(); i++) { + xml_body = xml_body + " " + parser->get_attribute_name(i) + "=\"" + parser->get_attribute_value(i) + "\""; + } + xml_body = xml_body + ">"; + } else if (parser->get_node_type() == XMLParser::NODE_TEXT) { + xml_body = xml_body + parser->get_node_data(); + } else if (parser->get_node_type() == XMLParser::NODE_ELEMENT_END) { + xml_body = xml_body + "</" + parser->get_node_name() + ">"; + } +#else + if (parser->get_node_type() == XMLParser::NODE_ELEMENT) { + xml_body += vformat("<%s", parser->get_node_name()); + for (int i = 0; i < parser->get_attribute_count(); i++) { + xml_body += vformat(" %s=\"%s\"", parser->get_attribute_name(i), parser->get_attribute_value(i)); + } + xml_body += ">"; + } else if (parser->get_node_type() == XMLParser::NODE_TEXT) { + xml_body += parser->get_node_data(); + } else if (parser->get_node_type() == XMLParser::NODE_ELEMENT_END) { + xml_body += vformat("</%s>", parser->get_node_name()); + } +#endif + } + String temp_xml = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 0 0\">" + xml_body; + + std::unique_ptr<tvg::Picture> picture = tvg::Picture::gen(); + tvg::Result result = picture->load(temp_xml.utf8().get_data(), temp_xml.utf8().length(), "svg+xml", false); + if (result != tvg::Result::Success) { + ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (bounds detection)."); + } + + float min_x = INFINITY, min_y = INFINITY, max_x = -INFINITY, max_y = -INFINITY; + tvg_get_bounds(picture.get(), min_x, min_y, max_x, max_y); + + float new_h = (max_y - min_y); + float new_w = (max_x - min_x); + + if (new_h * aspect >= new_w) { + new_w = (new_h * aspect); + } else { + new_h = (new_w / aspect); + } + +#ifdef GDEXTENSION + gl_state.xml_code = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"" + rtos(min_x) + " " + rtos(min_y) + " " + rtos(new_w) + " " + rtos(new_h) + "\">" + xml_body; +#else + gl_state.xml_code = vformat("<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"%f %f %f %f\">", min_x, min_y, new_w, new_h) + xml_body; +#endif + + picture = tvg::Picture::gen(); + result = picture->load(gl_state.xml_code.utf8().get_data(), gl_state.xml_code.utf8().length(), "svg+xml", false); + if (result != tvg::Result::Success) { + ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph metrics)."); + } + + float x_svg_to_out, y_svg_to_out; + x_svg_to_out = (float)metrics.x_ppem / new_w; + y_svg_to_out = (float)metrics.y_ppem / new_h; + + gl_state.m.e11 = (double)document->transform.xx / (1 << 16) * x_svg_to_out; + gl_state.m.e12 = -(double)document->transform.xy / (1 << 16) * x_svg_to_out; + gl_state.m.e21 = -(double)document->transform.yx / (1 << 16) * y_svg_to_out; + gl_state.m.e22 = (double)document->transform.yy / (1 << 16) * y_svg_to_out; + gl_state.m.e13 = (double)document->delta.x / 64 * new_w / metrics.x_ppem; + gl_state.m.e23 = -(double)document->delta.y / 64 * new_h / metrics.y_ppem; + gl_state.m.e31 = 0; + gl_state.m.e32 = 0; + gl_state.m.e33 = 1; + + result = picture->transform(gl_state.m); + if (result != tvg::Result::Success) { + ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to apply transform to SVG document."); + } + + result = picture->bounds(&gl_state.x, &gl_state.y, &gl_state.w, &gl_state.h, true); + if (result != tvg::Result::Success) { + ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to get SVG bounds."); + } + + gl_state.bmp_y = -min_y * gl_state.h / new_h; + gl_state.bmp_x = min_x * gl_state.w / new_w; + + gl_state.ready = true; + } + + p_slot->bitmap_left = (FT_Int)gl_state.bmp_x; + p_slot->bitmap_top = (FT_Int)gl_state.bmp_y; + + float tmp = ceil(gl_state.h); + p_slot->bitmap.rows = (unsigned int)tmp; + tmp = ceil(gl_state.w); + p_slot->bitmap.width = (unsigned int)tmp; + p_slot->bitmap.pitch = (int)p_slot->bitmap.width * 4; + p_slot->bitmap.pixel_mode = FT_PIXEL_MODE_BGRA; + + float metrics_width, metrics_height; + float horiBearingX, horiBearingY; + float vertBearingX, vertBearingY; + + metrics_width = (float)gl_state.w; + metrics_height = (float)gl_state.h; + horiBearingX = (float)gl_state.x; + horiBearingY = (float)-gl_state.y; + vertBearingX = p_slot->metrics.horiBearingX / 64.0f - p_slot->metrics.horiAdvance / 64.0f / 2; + vertBearingY = (p_slot->metrics.vertAdvance / 64.0f - p_slot->metrics.height / 64.0f) / 2; + + tmp = roundf(metrics_width * 64); + p_slot->metrics.width = (FT_Pos)tmp; + tmp = roundf(metrics_height * 64); + p_slot->metrics.height = (FT_Pos)tmp; + + p_slot->metrics.horiBearingX = (FT_Pos)(horiBearingX * 64); + p_slot->metrics.horiBearingY = (FT_Pos)(horiBearingY * 64); + p_slot->metrics.vertBearingX = (FT_Pos)(vertBearingX * 64); + p_slot->metrics.vertBearingY = (FT_Pos)(vertBearingY * 64); + + if (p_slot->metrics.vertAdvance == 0) { + p_slot->metrics.vertAdvance = (FT_Pos)(metrics_height * 1.2f * 64); + } + + return FT_Err_Ok; +} + +FT_Error tvg_svg_in_ot_render(FT_GlyphSlot p_slot, FT_Pointer *p_state) { + TVG_State *state = *reinterpret_cast<TVG_State **>(p_state); + if (!state) { + ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "SVG in OT state not initialized."); + } + MutexLock lock(state->mutex); + + if (!state->glyph_map.has(p_slot->glyph_index)) { + ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "SVG glyph not loaded."); + } + + GL_State &gl_state = state->glyph_map[p_slot->glyph_index]; + ERR_FAIL_COND_V_MSG(!gl_state.ready, FT_Err_Invalid_SVG_Document, "SVG glyph not ready."); + + std::unique_ptr<tvg::Picture> picture = tvg::Picture::gen(); + tvg::Result res = picture->load(gl_state.xml_code.utf8().get_data(), gl_state.xml_code.utf8().length(), "svg+xml", false); + if (res != tvg::Result::Success) { + ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph rendering)."); + } + res = picture->transform(gl_state.m); + if (res != tvg::Result::Success) { + ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to apply transform to SVG document."); + } + + std::unique_ptr<tvg::SwCanvas> sw_canvas = tvg::SwCanvas::gen(); + res = sw_canvas->target((uint32_t *)p_slot->bitmap.buffer, (int)p_slot->bitmap.width, (int)p_slot->bitmap.width, (int)p_slot->bitmap.rows, tvg::SwCanvas::ARGB8888_STRAIGHT); + if (res != tvg::Result::Success) { + ERR_FAIL_V_MSG(FT_Err_Invalid_Outline, "Failed to create SVG canvas."); + } + res = sw_canvas->push(std::move(picture)); + if (res != tvg::Result::Success) { + ERR_FAIL_V_MSG(FT_Err_Invalid_Outline, "Failed to set SVG canvas source."); + } + res = sw_canvas->draw(); + if (res != tvg::Result::Success) { + ERR_FAIL_V_MSG(FT_Err_Invalid_Outline, "Failed to draw to SVG canvas."); + } + res = sw_canvas->sync(); + if (res != tvg::Result::Success) { + ERR_FAIL_V_MSG(FT_Err_Invalid_Outline, "Failed to sync SVG canvas."); + } + + state->glyph_map.erase(p_slot->glyph_index); + + p_slot->bitmap.pixel_mode = FT_PIXEL_MODE_BGRA; + p_slot->bitmap.num_grays = 256; + p_slot->format = FT_GLYPH_FORMAT_BITMAP; + + return FT_Err_Ok; +} + +SVG_RendererHooks tvg_svg_in_ot_hooks = { + (SVG_Lib_Init_Func)tvg_svg_in_ot_init, + (SVG_Lib_Free_Func)tvg_svg_in_ot_free, + (SVG_Lib_Render_Func)tvg_svg_in_ot_render, + (SVG_Lib_Preset_Slot_Func)tvg_svg_in_ot_preset_slot, +}; + +SVG_RendererHooks *get_tvg_svg_in_ot_hooks() { + return &tvg_svg_in_ot_hooks; +} + +#endif // MODULE_SVG_ENABLED diff --git a/modules/text_server_fb/thorvg_svg_in_ot.h b/modules/text_server_fb/thorvg_svg_in_ot.h new file mode 100644 index 0000000000..b2816193d9 --- /dev/null +++ b/modules/text_server_fb/thorvg_svg_in_ot.h @@ -0,0 +1,86 @@ +/*************************************************************************/ +/* thorvg_svg_in_ot.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 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. */ +/*************************************************************************/ + +#ifndef THORVG_SVG_IN_OT_H +#define THORVG_SVG_IN_OT_H + +#ifdef GDEXTENSION +// Headers for building as GDExtension plug-in. + +#include <godot_cpp/core/mutex_lock.hpp> +#include <godot_cpp/godot.hpp> +#include <godot_cpp/templates/hash_map.hpp> + +using namespace godot; + +#else +// Headers for building as built-in module. + +#include "core/os/mutex.h" +#include "core/templates/hash_map.h" +#include "core/typedefs.h" + +#include "modules/modules_enabled.gen.h" // For svg. +#endif + +#ifdef MODULE_SVG_ENABLED + +#include <freetype/freetype.h> +#include <freetype/otsvg.h> +#include <ft2build.h> +#include <thorvg.h> + +struct GL_State { + bool ready = false; + float bmp_x = 0; + float bmp_y = 0; + float x = 0; + float y = 0; + float w = 0; + float h = 0; + String xml_code; + tvg::Matrix m; +}; + +struct TVG_State { + Mutex mutex; + HashMap<uint32_t, GL_State> glyph_map; +}; + +FT_Error tvg_svg_in_ot_init(FT_Pointer *p_state); +void tvg_svg_in_ot_free(FT_Pointer *p_state); +FT_Error tvg_svg_in_ot_preset_slot(FT_GlyphSlot p_slot, FT_Bool p_cache, FT_Pointer *p_state); +FT_Error tvg_svg_in_ot_render(FT_GlyphSlot p_slot, FT_Pointer *p_state); + +SVG_RendererHooks *get_tvg_svg_in_ot_hooks(); + +#endif // MODULE_SVG_ENABLED + +#endif // THORVG_SVG_IN_OT_H |