Jasima/godot-xterm
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Support background and attributes for wide chars

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Supports setting background color and attributes for wide characters
(i.e. more than 1 cell wide). Previously only the first cell had its
background and attribute set.
This commit is contained in:
Leroy Hopson 2024-02-10 22:20:54 +13:00
parent fd2c33c486
commit 8e5fbe72cd
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GPG key ID: D2747312A6DB51AA
1 changed files with 7 additions and 5 deletions
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12
addons/godot_xterm/native/src/terminal.cpp
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@ -223,15 +223,14 @@ int Terminal::_draw_cb(struct tsm_screen *con,
return OK;
}
// Update attributes.
// Collect attributes.
int attr_flags = 0;
if (attr->inverse)
attr_flags |= AttrFlag::INVERSE;
if (attr->blink)
attr_flags |= AttrFlag::BLINK;
term->attr_image->set_pixel(posx, posy, Color(attr_flags / 255.0f, 0, 0, 0));
// Colors.
// Collect colors.
Color fgcol = std::min(attr->fccode, (int8_t)TSM_COLOR_FOREGROUND) >= 0
? term->palette[attr->fccode]
: Color(attr->fr / 255.0f, attr->fg / 255.0f, attr->fb / 255.0f);
@ -243,8 +242,11 @@ int Terminal::_draw_cb(struct tsm_screen *con,
if (attr->inverse && term->inverse_mode == InverseMode::INVERSE_MODE_SWAP)
std::swap(fgcol, bgcol);
// Draw background.
term->back_image->set_pixel(posx, posy, bgcol);
// Update images (accounting for ultra-wide characters).
for (int i = 0; i < width && (posx + i) < term->cols; i++) {
term->back_image->set_pixel(posx + i, posy, bgcol);
term->attr_image->set_pixel(posx + i, posy, Color(attr_flags / 255.0f, 0, 0, 0));
}
if (len < 1)
{ // No foreground to draw.