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* ST7789Display: now with SCALE_X,SCALE_Y

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* fix for GxEPDDisplay
This commit is contained in:
Scott Powell
2025-05-05 15:54:31 +10:00
parent 5b27bef485
commit 791da53c7b
3 changed files with 13 additions and 12 deletions
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3
src/helpers/ui/GxEPDDisplay.h
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@@ -29,8 +29,7 @@ class GxEPDDisplay : public DisplayDriver {
public:
// there is a margin in y...
GxEPDDisplay() : DisplayDriver(200, 200-10), display(GxEPD2_150_BN(DISP_CS, DISP_DC, DISP_RST, DISP_BUSY)) {
GxEPDDisplay() : DisplayDriver(128, 64), display(GxEPD2_150_BN(DISP_CS, DISP_DC, DISP_RST, DISP_BUSY)) {
}
bool begin();

19
src/helpers/ui/ST7789Display.cpp
View File

@@ -10,6 +10,9 @@
#define Y_OFFSET 1 // Vertical offset to prevent top row cutoff
#endif
#define SCALE_X 1.875f // 240 / 128
#define SCALE_Y 2.109375f // 135 / 64
bool ST7789Display::begin() {
if(!_isOn) {
pinMode(PIN_TFT_VDD_CTL, OUTPUT);
@@ -50,13 +53,13 @@ void ST7789Display::startFrame(Color bkg) {
void ST7789Display::setTextSize(int sz) {
switch(sz) {
case 1 :
display.setFont(ArialMT_Plain_10);
display.setFont(ArialMT_Plain_16);
break;
case 2 :
display.setFont(ArialMT_Plain_24);
break;
default:
display.setFont(ArialMT_Plain_10);
display.setFont(ArialMT_Plain_16);
}
}
@@ -91,8 +94,8 @@ void ST7789Display::setColor(Color c) {
}
void ST7789Display::setCursor(int x, int y) {
_x = x + X_OFFSET;
_y = y + Y_OFFSET;
_x = x*SCALE_X + X_OFFSET;
_y = y*SCALE_Y + Y_OFFSET;
}
void ST7789Display::print(const char* str) {
@@ -100,19 +103,19 @@ void ST7789Display::print(const char* str) {
}
void ST7789Display::fillRect(int x, int y, int w, int h) {
display.fillRect(x + X_OFFSET, y + Y_OFFSET, w, h);
display.fillRect(x*SCALE_X + X_OFFSET, y*SCALE_Y + Y_OFFSET, w*SCALE_X, h*SCALE_Y);
}
void ST7789Display::drawRect(int x, int y, int w, int h) {
display.drawRect(x + X_OFFSET, y + Y_OFFSET, w, h);
display.drawRect(x*SCALE_X + X_OFFSET, y*SCALE_Y + Y_OFFSET, w*SCALE_X, h*SCALE_Y);
}
void ST7789Display::drawXbm(int x, int y, const uint8_t* bits, int w, int h) {
display.drawBitmap(x + X_OFFSET, y + Y_OFFSET, w, h, bits);
display.drawBitmap(x*SCALE_X + X_OFFSET, y*SCALE_Y + Y_OFFSET, w, h, bits);
}
uint16_t ST7789Display::getTextWidth(const char* str) {
return display.getStringWidth(str);
return display.getStringWidth(str) / SCALE_X;
}
void ST7789Display::endFrame() {

3
src/helpers/ui/ST7789Display.h
View File

@@ -14,9 +14,8 @@ class ST7789Display : public DisplayDriver {
bool i2c_probe(TwoWire& wire, uint8_t addr);
public:
ST7789Display() : DisplayDriver(240, 135), display(&SPI1, PIN_TFT_RST, PIN_TFT_DC, PIN_TFT_CS, GEOMETRY_RAWMODE, 240, 135) {_isOn = false;}
ST7789Display() : DisplayDriver(128, 64), display(&SPI1, PIN_TFT_RST, PIN_TFT_DC, PIN_TFT_CS, GEOMETRY_RAWMODE, 240, 135) {_isOn = false;}
// ST7789Display() : DisplayDriver(135, 240), display(PIN_TFT_CS, PIN_TFT_DC, PIN_TFT_SDA, PIN_TFT_SCL, PIN_TFT_RST) { _isOn = false; }
bool begin();
bool isOn() override { return _isOn; }