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Arduboy2
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Optimize Arduboy2Base::drawFastVLine

This commit is contained in:
YariKartoshe4ka 2023-01-11 22:06:30 +03:00
parent ca1c3ae024
commit 3dc34ef835
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GPG Key ID: 492605FA72BE784F
1 changed files with 20 additions and 4 deletions
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24
src/Arduboy2.cpp
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@ -547,12 +547,28 @@ void Arduboy2Base::drawRect
void Arduboy2Base::drawFastVLine
(int16_t x, int16_t y, uint8_t h, uint8_t color)
{
int end = y+h;
for (int a = max(0,y); a < min(end,HEIGHT); a++)
if (x < 0 || x >= WIDTH || y >= HEIGHT) return;
color = (color == WHITE ? ~0 : 0);
if (y < 0)
{
drawPixel(x,a,color);
h += y;
y = 0;
}
}
int16_t end = y + h;
sBuffer[(y & 0xf8) * WIDTH / 8 + x] = color << (y - (y & 0xf8));
for (uint8_t i = max(y + 7, 0); i < min(end, HEIGHT); i += 8)
{
sBuffer[(i & 0xf8) * WIDTH / 8 + x] = color;
}
sBuffer[(min(end, HEIGHT - 1) & 0xf8) * WIDTH / 8 + x] = color >> (8 - (min(end, HEIGHT - 1) & 7));
};
void Arduboy2Base::drawFastHLine
(int16_t x, int16_t y, uint8_t w, uint8_t color)