Created
January 19, 2020 20:16
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function void | |
tv_colorize_hex_colors(Application_Links *app, Buffer_ID buffer, Text_Layout_ID text_layout_id) | |
{ | |
Scratch_Block scratch(app); | |
Range_i64 visible_range = text_layout_get_visible_range(app, text_layout_id); | |
String_Const_u8 text = push_buffer_range(app, scratch, buffer, visible_range); | |
for (i64 index = visible_range.min; text.size > 0;) { | |
if (text.size >= 2+8 && text.str[0] == '0' && (text.str[1] == 'x' || text.str[1] == 'X')) { | |
text = string_skip(text, 2); | |
index += 2; | |
b32 looks_like_hex_number = true; | |
for (i32 i = 0; i < 8; i++) { | |
char c = text.str[i]; | |
if (!((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F') || (c >= '0' && c <= '9'))) { | |
looks_like_hex_number = false; | |
break; | |
} | |
} | |
if (!looks_like_hex_number) { | |
continue; | |
} | |
String_Const_u8 hex_text = string_prefix(text, 8); | |
u32 color = (u32)string_to_integer(hex_text, 16); | |
paint_text_color(app, text_layout_id, Ii64_size(index - 1, 1), color); | |
paint_text_color(app, text_layout_id, Ii64_size(index - 2, 1), color); | |
draw_character_block(app, text_layout_id, Ii64_size(index - 2, 1), 2.0f, color); | |
text = string_skip(text, 8); | |
index += 8; | |
} else { | |
text = string_skip(text, 1); | |
index += 1; | |
} | |
} | |
} | |
//... | |
// somewhere in render_buffer(): | |
{ | |
Scratch_Block scratch(app); | |
String_Const_u8 buffer_name = push_buffer_base_name(app, scratch, buffer); | |
if (string_match_insensitive(string_prefix(buffer_name, 6), string_u8_litexpr("theme-")) && | |
string_match_insensitive(string_postfix(buffer_name, 7), string_u8_litexpr(".4coder"))) | |
{ | |
tv_colorize_hex_colors(app, buffer, text_layout_id); | |
} | |
} | |
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