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Fixed screen brightness problems (tested on 1.0.0 and 2.0.0). Some refactoring.

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nwert
2018-06-15 23:28:27 +12:00
parent b2dd070d10
commit 694a8b5395
11 changed files with 157 additions and 107 deletions
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16
ipl/gfx.c
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@@ -320,8 +320,8 @@ void gfx_set_pixel(gfx_ctxt_t *ctxt, u32 x, u32 y, u32 color)
void gfx_line(gfx_ctxt_t *ctxt, int x0, int y0, int x1, int y1, u32 color)
{
int dx = abs(x1-x0), sx = x0 < x1 ? 1 : -1;
int dy = abs(y1-y0), sy = y0 < y1 ? 1 : -1;
int dx = abs(x1 - x0), sx = x0 < x1 ? 1 : -1;
int dy = abs(y1 - y0), sy = y0 < y1 ? 1 : -1;
int err = (dx > dy ? dx : -dy) / 2, e2;
while (1)
@@ -330,7 +330,15 @@ void gfx_line(gfx_ctxt_t *ctxt, int x0, int y0, int x1, int y1, u32 color)
if (x0 == x1 && y0 == y1)
break;
e2 = err;
if (e2 >-dx) { err -= dy; x0 += sx; }
if (e2 < dy) { err += dx; y0 += sy; }
if (e2 >-dx)
{
err -= dy;
x0 += sx;
}
if (e2 < dy)
{
err += dx;
y0 += sy;
}
}
}