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TFT ST7735: Fixed length bug in drawFastHLine and drawFastVLine #2528

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TFT ST7735: Fixed length bug in drawFastHLine and drawFastVLine #2528

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6 changes: 6 additions & 0 deletions libraries/TFT/src/utility/Adafruit_ST7735.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -444,6 +444,9 @@ void Adafruit_ST7735::drawPixel(int16_t x, int16_t y, uint16_t color) {
void Adafruit_ST7735::drawFastVLine(int16_t x, int16_t y, int16_t h,
uint16_t color) {

// Needed to achieve correct line length
h++;

// Rudimentary clipping
if((x >= _width) || (y >= _height)) return;
if((y+h-1) >= _height) h = _height-y;
Expand All @@ -465,6 +468,9 @@ void Adafruit_ST7735::drawFastVLine(int16_t x, int16_t y, int16_t h,
void Adafruit_ST7735::drawFastHLine(int16_t x, int16_t y, int16_t w,
uint16_t color) {

// Needed to achieve correct line length
w++;

// Rudimentary clipping
if((x >= _width) || (y >= _height)) return;
if((x+w-1) >= _width) w = _width-x;
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