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cleanup

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Tectu 2012-06-14 12:21:58 +02:00 • committed by Kumar Abhishek
parent 452bfcc059
commit da7493da8b
1 changed files with 41 additions and 54 deletions
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29
glcd.c
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@ -69,46 +69,33 @@ void lcdDrawLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t co
if(y1 > y2) if(y1 > y2)
addy = -1; addy = -1;
if(dx >= dy) if(dx >= dy) {
{
dy *= 2; dy *= 2;
P = dy - dx; P = dy - dx;
diff = P - dx; diff = P - dx;
for(; i<=dx; ++i) for(; i<=dx; ++i) {
{
lcdDrawPixel(x1, y1, color); lcdDrawPixel(x1, y1, color);
if(P < 0) {
if(P < 0)
{
P += dy; P += dy;
x1 += addx; x1 += addx;
} } else {
else
{
P += diff; P += diff;
x1 += addx; x1 += addx;
y1 += addy; y1 += addy;
} }
} }
} } else {
else
{
dx *= 2; dx *= 2;
P = dx - dy; P = dx - dy;
diff = P - dy; diff = P - dy;
for(; i<=dy; ++i) for(; i<=dy; ++i) {
{
lcdDrawPixel(x1, y1, color); lcdDrawPixel(x1, y1, color);
if(P < 0) {
if(P < 0)
{
P += dx; P += dx;
y1 += addy; y1 += addy;
} } else {
else
{
P += diff; P += diff;
x1 += addx; x1 += addx;
y1 += addy; y1 += addy;