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System/Libraries/Html/Renderer: Handle italic/oblique text

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This commit is contained in:
Alec Murphy 2025-04-15 16:21:52 -04:00
parent 97187728e8
commit 0a579a4f09
1 changed files with 33 additions and 22 deletions
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55
System/Libraries/Html/Renderer.HC
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@ -307,6 +307,7 @@ Bool @apply_css_rules_to_node(@html_dom_node* node, HtmlRenderer* renderer)
node->fontSize = node->parentNode->fontSize;
node->fontWeight = node->parentNode->fontWeight;
node->textAlign = node->parentNode->textAlign;
node->italic = node->parentNode->italic;
}
for (i = 0; i < renderer->css_rules->length; i++) {
@ -464,6 +465,12 @@ Bool @apply_css_rules_to_node(@html_dom_node* node, HtmlRenderer* renderer)
}
}
}
if (!StrICmp(key->name, "font-style")) {
if (!StrICmp(values->@(0), "italic")) {
node->italic = TRUE;
}
}
css_continue_to_next_property:
key = key->next;
}
@ -720,31 +727,31 @@ Bool @code_point_is_whitespace(I32 code_point)
return NULL;
}
U8* @resolved_font_weight_for_node(@html_dom_node* node)
U8* @resolved_font_name_for_node(@html_dom_node* node)
{
U8 buf[128];
if (!node || !node->fontFamily || !StrLen(node->fontFamily))
return;
switch (node->fontWeight) {
case 700:
case 800:
case 900:
if (!StrICmp(node->fontFamily + StrLen(node->fontFamily) - 4, "bold")) {
return node->fontFamily;
} else {
StrPrint(buf, "%s Bold", node->fontFamily);
if (Fonts->@(buf)) {
return StrNew(buf, erythros_mem_task);
} else {
// Can't find Bold variant, return Normal
return node->fontFamily;
}
return NULL;
U8* font_name_with_weight_applied = node->fontFamily;
U8 buf[128];
// Handle font weight
if (node->fontWeight >= 700 && StrICmp(node->fontFamily + StrLen(node->fontFamily) - 4, "bold")) {
StrPrint(buf, "%s Bold", node->fontFamily);
if (Fonts->@(buf)) {
font_name_with_weight_applied = StrNew(buf, erythros_mem_task);
}
break;
default:
return node->fontFamily;
break;
}
// Handle italic
if (node->italic) {
StrPrint(buf, "%s Italic", font_name_with_weight_applied);
if (Fonts->@(buf)) {
return StrNew(buf, erythros_mem_task);
}
}
return font_name_with_weight_applied;
}
U0 @render_node_text(@html_dom_node* node, HtmlRenderer* renderer)
@ -794,7 +801,7 @@ U0 @render_node_text(@html_dom_node* node, HtmlRenderer* renderer)
Context2DWidget* fragment_widget;
U32 fragment_bounding_box_color = Color(0x00, 0xff, 0x00);
U8* font_name = @resolved_font_weight_for_node(node->parentNode);
U8* font_name = @resolved_font_name_for_node(node->parentNode);
for (i = 0; i < fragment_count; i++) {
if (fragments[i] && *fragments[i]) {
@ -911,6 +918,10 @@ U0 @render_node_list(@html_dom_node* node, HtmlRenderer* renderer)
node->fontWeight = 700;
}
if (!StrICmp(node->tagName, "i") || !StrICmp(node->tagName, "em")) {
node->italic = TRUE;
}
if (!StrICmp(node->tagName, "body")) {
renderer->background_ctx->width = Display.Width();
renderer->background_ctx->height = Display.Height();