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System/Libraries/Html/Renderer: Calculate text underline position more precisely

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Alec Murphy 2025-05-04 07:12:55 -04:00
parent 2c8f674e43
commit 159e497ee4
1 changed files with 5 additions and 2 deletions
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7
System/Libraries/Html/Renderer.HC
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@ -1596,6 +1596,7 @@ U0 @render_node_text(@html_dom_node* node, HtmlRenderer* renderer)
stream[i] = NULL; stream[i] = NULL;
fragment_base = i + 1; fragment_base = i + 1;
I64 baseline;
I64 text_width; I64 text_width;
Context2DWidget* fragment_widget; Context2DWidget* fragment_widget;
@ -1618,8 +1619,10 @@ U0 @render_node_text(@html_dom_node* node, HtmlRenderer* renderer)
} }
if (node->parentNode->underlineColor) { if (node->parentNode->underlineColor) {
if (underline_y_pos < 0) if (underline_y_pos < 0) {
underline_y_pos = @get_truetype_baseline(font_name, node->parentNode->fontSize) + 3; baseline = ToF64(@get_truetype_baseline(font_name, node->parentNode->fontSize));
underline_y_pos = ToI64(baseline + ((ToF64(fragment_widget->ctx->height) - baseline) / 3));
}
if (!(underline_y_pos < 0)) { if (!(underline_y_pos < 0)) {
fragment_widget->ctx->line(0, underline_y_pos, fragment_widget->ctx->width - 1, underline_y_pos, node->parentNode->color); fragment_widget->ctx->line(0, underline_y_pos, fragment_widget->ctx->width - 1, underline_y_pos, node->parentNode->color);
} }