void ks0108DrawRoundRect(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t radius, uint8_t color) {
int16_t tSwitch, x1 = 0, y1 = radius;
tSwitch = 3 - 2 * radius;
while (x1 <= y1) {
ks0108SetDot(x+radius - x1, y+radius - y1, color);
ks0108SetDot(x+radius - y1, y+radius - x1, color);
ks0108SetDot(x+width-radius + x1, y+radius - y1, color);
ks0108SetDot(x+width-radius + y1, y+radius - x1, color);
ks0108SetDot(x+width-radius + x1, y+height-radius + y1, color);
ks0108SetDot(x+width-radius + y1, y+height-radius + x1, color);
ks0108SetDot(x+radius - x1, y+height-radius + y1, color);
ks0108SetDot(x+radius - y1, y+height-radius + x1, color);
if (tSwitch < 0) {
tSwitch += (4 * x1 + 6);
} else {
tSwitch += (4 * (x1 - y1) + 10);
y1--;
}
x1++;
}
ks0108DrawHoriLine(x+radius, y, width-(2*radius), color); // top
ks0108DrawHoriLine(x+radius, y+height, width-(2*radius), color); // bottom
ks0108DrawVertLine(x, y+radius, height-(2*radius), color); // left
ks0108DrawVertLine(x+width, y+radius, height-(2*radius), color); // right
}
void drawBar(batteryBar *pb){
//Calculate plox
uint8_t widthToFill = ((KS0108_SCREEN_WIDTH * pb->value) / pb->max);
ks0108DrawHoriLine(0, pb->y, KS0108_SCREEN_WIDTH ,WHITE);
ks0108DrawHoriLine(0, pb->y,widthToFill,BLACK);
}
void ks0108DrawLine(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2, uint8_t color) {
uint8_t length, i, y, yAlt, xTmp, yTmp;
int16_t m;
//
// vertical line
//
if(x1 == x2) {
// x1|y1 must be the upper point
if(y1 > y2) {
yTmp = y1;
y1 = y2;
y2 = yTmp;
}
ks0108DrawVertLine(x1, y1, y2-y1, color);
//
// horizontal line
//
} else if(y1 == y2) {
// x1|y1 must be the left point
if(x1 > x2) {
xTmp = x1;
x1 = x2;
x2 = xTmp;
}
ks0108DrawHoriLine(x1, y1, x2-x1, color);
//
// schiefe line :)
//
} else {
// angle >= 45°
if((y2-y1) >= (x2-x1) || (y1-y2) >= (x2-x1)) {
// x1 must be smaller than x2
if(x1 > x2) {
xTmp = x1;
yTmp = y1;
x1 = x2;
y1 = y2;
x2 = xTmp;
y2 = yTmp;
}
length = x2-x1; // not really the length :)
m = ((y2-y1)*200)/length;
yAlt = y1;
for(i=0; i<=length; i++) {
y = ((m*i)/200)+y1;
if((m*i)%200 >= 100)
y++;
else if((m*i)%200 <= -100)
y--;
ks0108DrawLine(x1+i, yAlt, x1+i, y, color);
if(length <= (y2-y1) && y1 < y2)
yAlt = y+1;
else if(length <= (y1-y2) && y1 > y2)
yAlt = y-1;
else
yAlt = y;
}
// angle < 45°
} else {
// y1 must be smaller than y2
if(y1 > y2) {
xTmp = x1;
yTmp = y1;
x1 = x2;
y1 = y2;
x2 = xTmp;
y2 = yTmp;
}
length = y2-y1;
m = ((x2-x1)*200)/length;
yAlt = x1;
for(i=0; i<=length; i++) {
y = ((m*i)/200)+x1;
if((m*i)%200 >= 100)
y++;
else if((m*i)%200 <= -100)
y--;
ks0108DrawLine(yAlt, y1+i, y, y1+i, color);
if(length <= (x2-x1) && x1 < x2)
yAlt = y+1;
else if(length <= (x1-x2) && x1 > x2)
yAlt = y-1;
else
yAlt = y;
}
}
}
}
void ks0108DrawRect(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t color) {
ks0108DrawHoriLine(x, y, width, color); // top
ks0108DrawHoriLine(x, y+height, width, color); // bottom
ks0108DrawVertLine(x, y, height, color); // left
ks0108DrawVertLine(x+width, y, height, color); // right
}
