void Adafruit_SSD1306::drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color) {
boolean bSwap = false;
switch(rotation) {
case 0:
// 0 degree rotation, do nothing
break;
case 1:
// 90 degree rotation, swap x & y for rotation, then invert x
bSwap = true;
swap(x, y);
x = WIDTH - x - 1;
break;
case 2:
// 180 degree rotation, invert x and y - then shift y around for height.
x = WIDTH - x - 1;
y = HEIGHT - y - 1;
x -= (w-1);
break;
case 3:
// 270 degree rotation, swap x & y for rotation, then invert y and adjust y for w (not to become h)
bSwap = true;
swap(x, y);
y = HEIGHT - y - 1;
y -= (w-1);
break;
}
if(bSwap) {
drawFastVLineInternal(x, y, w, color);
} else {
drawFastHLineInternal(x, y, w, color);
}
}
/*******************************************************************************
* Function Name :
* Description :
* Input :
*******************************************************************************/
void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color) {
uint8_t bSwap = DISABLE;
switch(rotation) {
case 0:
break;
case 1:
// 90 degree rotation, swap x & y for rotation, then invert x and adjust x for h (now to become w)
bSwap = ENABLE;
swap(x, y);
x = WIDTH - x - 1;
x -= (h-1);
break;
case 2:
// 180 degree rotation, invert x and y - then shift y around for height.
x = WIDTH - x - 1;
y = HEIGHT - y - 1;
y -= (h-1);
break;
case 3:
// 270 degree rotation, swap x & y for rotation, then invert y
bSwap = ENABLE;
swap(x, y);
y = HEIGHT - y - 1;
break;
}
if(bSwap) {
drawFastHLineInternal(x, y, h, color);
} else {
drawFastVLineInternal(x, y, h, color);
}
}
void ESP_SSD1306::drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color) {
bool bSwap = false;
switch(rotation) {
case 0:
break;
case 1:
// 90 degree rotation, swap x & y for rotation, then invert x and adjust x for h (to become w)
bSwap = true;
adagfxswap(x, y);
x = WIDTH - x - 1;
x -= (h-1);
break;
case 2:
// 180 degree rotation, invert x and y - then shift y around for height.
x = WIDTH - x - 1;
y = HEIGHT - y - 1;
y -= (h-1);
break;
case 3:
// 270 degree rotation, swap x & y for rotation, then invert y
bSwap = true;
adagfxswap(x, y);
y = HEIGHT - y - 1;
break;
}
if(bSwap) {
drawFastHLineInternal(x, y, h, color);
} else {
drawFastVLineInternal(x, y, h, color);
}
}