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Kernel: Add per terminal palette for TerminalDriver

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This allows better color approximation on text mode and in future will
allow user to possibly change the palette
This commit is contained in:
Bananymous
2025-04-23 18:44:37 +03:00
parent 4d840a8d9a
commit cc7c1ad30d
9 changed files with 121 additions and 102 deletions
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kernel/kernel/Terminal/FramebufferTerminal.cpp
+28 -2
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@@ -3,15 +3,38 @@
namespace Kernel
{
static consteval TerminalDriver::Palette default_palette()
{
TerminalDriver::Palette palette;
palette[ 0] = 0x000000;
palette[ 1] = 0xFF0000;
palette[ 2] = 0x00FF00;
palette[ 3] = 0xFFFF00;
palette[ 4] = 0x0000FF;
palette[ 5] = 0xFF00FF;
palette[ 6] = 0x00FFFF;
palette[ 7] = 0xBFBFBF;
palette[ 8] = 0x3F3F3F;
palette[ 9] = 0xFF7F7F;
palette[10] = 0x7FFF7F;
palette[11] = 0xFFFF7F;
palette[12] = 0x7F7FFF;
palette[13] = 0xFF7FFF;
palette[14] = 0x7FFFFF;
palette[15] = 0xFFFFFF;
return palette;
}
BAN::ErrorOr<BAN::RefPtr<FramebufferTerminalDriver>> FramebufferTerminalDriver::create(BAN::RefPtr<FramebufferDevice> framebuffer_device)
{
auto* driver_ptr = new FramebufferTerminalDriver(framebuffer_device);
auto* driver_ptr = new FramebufferTerminalDriver(framebuffer_device, default_palette());
if (driver_ptr == nullptr)
return BAN::Error::from_errno(ENOMEM);
auto driver = BAN::RefPtr<FramebufferTerminalDriver>::adopt(driver_ptr);
TRY(driver->set_font(BAN::move(TRY(LibFont::Font::prefs()))));
driver->set_cursor_position(0, 0);
driver->clear(TerminalColor::BLACK);
driver->clear(driver->m_palette[0]);
return driver;
}
@@ -60,6 +83,9 @@ namespace Kernel
for (uint32_t x = 0; x < m_framebuffer_device->width(); x++)
m_framebuffer_device->set_pixel(x, y, color.rgb);
m_framebuffer_device->sync_pixels_full();
if (m_cursor_shown)
show_cursor(false);
}
void FramebufferTerminalDriver::read_cursor()