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Fix box drawing character ninth column rendering.

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This commit is contained in:
Jonas 'Sortie' Termansen 2015-09-11 15:50:37 +02:00
parent 73a182f80c
commit 6813a26196
2 changed files with 11 additions and 12 deletions
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18
kernel/lfbtextbuffer.cpp
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@ -213,18 +213,20 @@ void LFBTextBuffer::RenderChar(TextChar textchar, size_t posx, size_t posy)
uint8_t bgcoloridx = textchar.vgacolor >> 4 & 0x0F;
uint32_t fgcolor = colors[fgcoloridx];
uint32_t bgcolor = colors[bgcoloridx];
const uint8_t* charfont = VGA::GetCharacterFont(font, textchar.c);
int remap = VGA::MapWideToVGAFont(textchar.c);
const uint8_t* charfont = VGA::GetCharacterFont(font, remap);
for ( size_t y = 0; y < VGA_FONT_HEIGHT; y++ )
{
size_t pixely = posy * VGA_FONT_HEIGHT + y;
uint8_t linebitmap = charfont[y];
for ( size_t x = 0; x < VGA_FONT_WIDTH+1; x++ )
{
uint32_t* line = (uint32_t*) (lfb + pixely * scansize);
size_t pixelx = posx * (VGA_FONT_WIDTH+1) + x;
bool fg = x != VGA_FONT_WIDTH && linebitmap & 1U << (7-x);
line[pixelx] = fg ? fgcolor : bgcolor;
}
uint32_t* line = (uint32_t*) (lfb + pixely * scansize);
size_t pixelxoff = posx * (VGA_FONT_WIDTH+1);
for ( size_t x = 0; x < VGA_FONT_WIDTH; x++ )
line[pixelxoff + x] = linebitmap & 1 << (7-x) ? fgcolor : bgcolor;
uint32_t lastcolor = bgcolor;
if ( 0xB0 <= remap && remap <= 0xDF && (linebitmap & 1) )
lastcolor = fgcolor;
line[pixelxoff + VGA_FONT_WIDTH] = lastcolor;
}
if ( likely(!drawcursor) )
return;

5
kernel/vga.h
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@ -244,11 +244,8 @@ static const uint8_t font_replacement_character[16] =
};
__attribute__((unused))
static inline const uint8_t* GetCharacterFont(const uint8_t* font, wchar_t wc)
static inline const uint8_t* GetCharacterFont(const uint8_t* font, int remap)
{
if ( wc == L'<EFBFBD>' )
return font_replacement_character;
int remap = MapWideToVGAFont(wc);
if ( remap < 0 )
return font_replacement_character;
return font + 16 * remap;