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Kernel: Clean code in tty and vesa

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Bananymous
2022-12-27 17:22:45 +02:00
parent 2535eb1c4c
commit 5ae1fc58e9
4 changed files with 33 additions and 35 deletions
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60
kernel/arch/i386/VESA.cpp
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@@ -26,48 +26,38 @@ namespace VESA
static uint32_t s_height = 0;
static uint8_t s_mode = 0;
static uint32_t s_terminal_width = 0;
static uint32_t s_terminal_height = 0;
static void (*PutCharAtImpl)(uint16_t, uint32_t, uint32_t, Color, Color) = nullptr;
static void (*ClearImpl)(Color) = nullptr;
static void GraphicsPutCharAt(uint16_t ch, uint32_t x, uint32_t y, Color fg, Color bg);
static void GraphicsClear(Color color);
static void TextPutCharAt(uint16_t ch, uint32_t x, uint32_t y, Color fg, Color bg);
static void TextClear(Color color);
void PutEntryAt(uint16_t ch, uint32_t x, uint32_t y, Color fg, Color bg)
void PutCharAt(uint16_t ch, uint32_t x, uint32_t y, Color fg, Color bg)
{
if (x >= s_width)
if (x >= s_width || y >= s_height)
return;
if (y >= s_height)
return;
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_GRAPHICS)
return GraphicsPutCharAt(ch, x, y, fg, bg);
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_TEXT)
return TextPutCharAt(ch, x, y, fg, bg);
PutCharAtImpl(ch, x, y, fg, bg);
}
void Clear(Color color)
{
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_GRAPHICS)
return GraphicsClear(color);
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_TEXT)
return TextClear(color);
ClearImpl(color);
}
uint32_t GetTerminalWidth()
{
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_GRAPHICS)
return s_width / font.Width;
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_TEXT)
return s_width;
return 0;
return s_terminal_width;
}
uint32_t GetTerminalHeight()
{
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_GRAPHICS)
return s_height / font.Height;
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_TEXT)
return s_height;
return 0;
return s_terminal_height;
}
bool Initialize()
@@ -91,18 +81,26 @@ namespace VESA
return false;
}
GraphicsClear(Color::BLACK);
return true;
PutCharAtImpl = GraphicsPutCharAt;
ClearImpl = GraphicsClear;
s_terminal_width = s_width / font.Width;
s_terminal_height = s_height / font.Height;
}
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_TEXT)
else if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_TEXT)
{
TextClear(Color::BLACK);
return true;
PutCharAtImpl = TextPutCharAt;
ClearImpl = TextClear;
s_terminal_width = s_width;
s_terminal_height = s_height;
}
dprintln("Unsupported type for VESA framebuffer");
return false;
else
{
dprintln("Unsupported type for VESA framebuffer");
return false;
}
ClearImpl(Color::BLACK);
return true;
}
static uint32_t s_graphics_colors[]