PulseStudio/VoxelEngine
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add RGBA support to markdown

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This commit is contained in:
MihailRis 2025-03-10 23:00:55 +03:00
parent 5af6b91b22
commit 567105dfce
1 changed files with 34 additions and 15 deletions
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49
src/graphics/ui/markdown.cpp
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@ -23,10 +23,6 @@ static inline void emit_md(
template <typename CharT>
static glm::vec4 parse_color(const std::basic_string_view<CharT>& color_code) {
if (color_code.size() != 8 || color_code[0] != '#') {
return glm::vec4(1, 1, 1, 1); // default to white
}
auto hex_to_float = [](char high, char low) {
int high_val = hexchar2int(high);
int low_val = hexchar2int(low);
@ -36,11 +32,18 @@ static glm::vec4 parse_color(const std::basic_string_view<CharT>& color_code) {
return (high_val * 16 + low_val) / 255.0f;
};
if (color_code[0] != '#') {
return glm::vec4(1, 1, 1, 1);
}
if (color_code.size() < 8) {
return glm::vec4(1, 1, 1, 1);
}
return glm::vec4(
hex_to_float(color_code[1], color_code[2]),
hex_to_float(color_code[3], color_code[4]),
hex_to_float(color_code[5], color_code[6]),
1
color_code.size() == 10 ? hex_to_float(color_code[7], color_code[8]) : 1
);
}
@ -99,18 +102,24 @@ Result<CharT> process_markdown(
pos++;
continue;
case '[':
if (pos + 9 < source.size() && source[pos + 1] == '#' &&
source[pos + 8] == ']') {
if (!eraseMarkdown) {
emit_md(source[pos - 1], styles, ss);
if (source[pos + 1] == '#') {
int closingPos = -1;
if (pos + 8 < source.size() && source[pos + 8] == ']') {
closingPos = 8;
} else if (pos + 10 < source.size() && source[pos + 10] == ']') {
closingPos = 10;
}
for (int i = 0; i < 10; ++i) {
emit(source[pos + i], styles, ss);
if (closingPos != -1) {
if (!eraseMarkdown) {
emit_md(source[pos - 1], styles, ss);
}
int length = closingPos + 2;
for (int i = 0; i < length; ++i) {
emit(source[pos + i], styles, ss);
}
pos += length;
continue;
}
pos += 10;
continue;
}
}
pos--;
@ -125,6 +134,16 @@ Result<CharT> process_markdown(
}
pos += 9; // Skip past the color code
continue;
} else if (first == '[' && pos + 11 <= source.size() && source[pos + 1] == '#' && source[pos + 10] == ']') {
std::basic_string_view<CharT> color_code = source.substr(pos + 1, 10);
apply_color(color_code, styles, style);
if (!eraseMarkdown) {
for (int i = 0; i < 11; ++i) {
emit_md(source[pos + i], styles, ss);
}
}
pos += 11; // Skip past the color code
continue;
} else if (first == '*') {
if (pos + 1 < source.size() && source[pos + 1] == '*') {
pos++;