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Merge pull request #75675 from bruvzg/tvg_store_string
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[SVG Font] Keep a copy of UTF-8 XML source string during the whole SVG processing.
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@akien-mga
akien-mga committed Apr 5, 2023
2 parents 0d6a07c + 1917923 commit 44d5394
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Showing 4 changed files with 16 additions and 12 deletions.
12 changes: 7 additions & 5 deletions modules/text_server_adv/thorvg_svg_in_ot.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -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());
}
}
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();
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) {
ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (bounds detection).");
}
Expand All @@ -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);
}

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();
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) {
ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph metrics).");
}
Expand Down Expand Up @@ -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.");

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) {
ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph rendering).");
}
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2 changes: 1 addition & 1 deletion modules/text_server_adv/thorvg_svg_in_ot.h
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@ struct GL_State {
float y = 0;
float w = 0;
float h = 0;
String xml_code;
CharString xml_code;
tvg::Matrix m;
};

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12 changes: 7 additions & 5 deletions modules/text_server_fb/thorvg_svg_in_ot.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -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());
}
}
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();
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) {
ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (bounds detection).");
}
Expand All @@ -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);
}

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();
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) {
ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph metrics).");
}
Expand Down Expand Up @@ -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.");

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) {
ERR_FAIL_V_MSG(FT_Err_Invalid_SVG_Document, "Failed to load SVG document (glyph rendering).");
}
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2 changes: 1 addition & 1 deletion modules/text_server_fb/thorvg_svg_in_ot.h
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@ struct GL_State {
float y = 0;
float w = 0;
float h = 0;
String xml_code;
CharString xml_code;
tvg::Matrix m;
};

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