[SVG Font] Keep a copy of UTF-8 XML source string during the whole SVG processing.

This commit is contained in:
bruvzg 2023-04-05 09:24:49 +03:00
parent e11ae937d5
commit 19179238fa
4 changed files with 16 additions and 12 deletions

View File

@ -127,10 +127,11 @@ FT_Error tvg_svg_in_ot_preset_slot(FT_GlyphSlot p_slot, FT_Bool p_cache, FT_Poin
xml_body += vformat("</%s>", parser->get_node_name()); xml_body += vformat("</%s>", parser->get_node_name());
} }
} }
String temp_xml = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 0 0\">" + xml_body; String temp_xml_str = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 0 0\">" + xml_body;
CharString temp_xml = temp_xml_str.utf8();
std::unique_ptr<tvg::Picture> picture = tvg::Picture::gen(); 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); tvg::Result result = picture->load(temp_xml.get_data(), temp_xml.length(), "svg+xml", false);
if (result != tvg::Result::Success) { if (result != tvg::Result::Success) {
ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (bounds detection)."); ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (bounds detection).");
} }
@ -147,10 +148,11 @@ FT_Error tvg_svg_in_ot_preset_slot(FT_GlyphSlot p_slot, FT_Bool p_cache, FT_Poin
new_h = (new_w / aspect); new_h = (new_w / aspect);
} }
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; String xml_code_str = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"" + rtos(min_x) + " " + rtos(min_y) + " " + rtos(new_w) + " " + rtos(new_h) + "\">" + xml_body;
gl_state.xml_code = xml_code_str.utf8();
picture = tvg::Picture::gen(); picture = tvg::Picture::gen();
result = picture->load(gl_state.xml_code.utf8().get_data(), gl_state.xml_code.utf8().length(), "svg+xml", false); result = picture->load(gl_state.xml_code.get_data(), gl_state.xml_code.length(), "svg+xml", false);
if (result != tvg::Result::Success) { if (result != tvg::Result::Success) {
ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph metrics)."); ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph metrics).");
} }
@ -238,7 +240,7 @@ FT_Error tvg_svg_in_ot_render(FT_GlyphSlot p_slot, FT_Pointer *p_state) {
ERR_FAIL_COND_V_MSG(!gl_state.ready, FT_Err_Invalid_SVG_Document, "SVG glyph not ready."); 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(); 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); tvg::Result res = picture->load(gl_state.xml_code.get_data(), gl_state.xml_code.length(), "svg+xml", false);
if (res != tvg::Result::Success) { if (res != tvg::Result::Success) {
ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph rendering)."); ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph rendering).");
} }

View File

@ -66,7 +66,7 @@ struct GL_State {
float y = 0; float y = 0;
float w = 0; float w = 0;
float h = 0; float h = 0;
String xml_code; CharString xml_code;
tvg::Matrix m; tvg::Matrix m;
}; };

View File

@ -127,10 +127,11 @@ FT_Error tvg_svg_in_ot_preset_slot(FT_GlyphSlot p_slot, FT_Bool p_cache, FT_Poin
xml_body += vformat("</%s>", parser->get_node_name()); xml_body += vformat("</%s>", parser->get_node_name());
} }
} }
String temp_xml = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 0 0\">" + xml_body; String temp_xml_str = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 0 0\">" + xml_body;
CharString temp_xml = temp_xml_str.utf8();
std::unique_ptr<tvg::Picture> picture = tvg::Picture::gen(); 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); tvg::Result result = picture->load(temp_xml.get_data(), temp_xml.length(), "svg+xml", false);
if (result != tvg::Result::Success) { if (result != tvg::Result::Success) {
ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (bounds detection)."); ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (bounds detection).");
} }
@ -147,10 +148,11 @@ FT_Error tvg_svg_in_ot_preset_slot(FT_GlyphSlot p_slot, FT_Bool p_cache, FT_Poin
new_h = (new_w / aspect); new_h = (new_w / aspect);
} }
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; String xml_code_str = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"" + rtos(min_x) + " " + rtos(min_y) + " " + rtos(new_w) + " " + rtos(new_h) + "\">" + xml_body;
gl_state.xml_code = xml_code_str.utf8();
picture = tvg::Picture::gen(); picture = tvg::Picture::gen();
result = picture->load(gl_state.xml_code.utf8().get_data(), gl_state.xml_code.utf8().length(), "svg+xml", false); result = picture->load(gl_state.xml_code.get_data(), gl_state.xml_code.length(), "svg+xml", false);
if (result != tvg::Result::Success) { if (result != tvg::Result::Success) {
ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph metrics)."); ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph metrics).");
} }
@ -238,7 +240,7 @@ FT_Error tvg_svg_in_ot_render(FT_GlyphSlot p_slot, FT_Pointer *p_state) {
ERR_FAIL_COND_V_MSG(!gl_state.ready, FT_Err_Invalid_SVG_Document, "SVG glyph not ready."); 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(); 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); tvg::Result res = picture->load(gl_state.xml_code.get_data(), gl_state.xml_code.length(), "svg+xml", false);
if (res != tvg::Result::Success) { if (res != tvg::Result::Success) {
ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph rendering)."); ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph rendering).");
} }

View File

@ -66,7 +66,7 @@ struct GL_State {
float y = 0; float y = 0;
float w = 0; float w = 0;
float h = 0; float h = 0;
String xml_code; CharString xml_code;
tvg::Matrix m; tvg::Matrix m;
}; };