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Added drawSunkenRect() and made color565() constexpr

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0xFEEDC0DE64
2021-11-30 20:46:03 +01:00
parent 29757e6851
commit e7f06cc6ab
2 changed files with 27 additions and 12 deletions
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29
TFT_eSPI.cpp
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@@ -2489,6 +2489,25 @@ void TFT_eSPI::fillRoundRect(int32_t x, int32_t y, int32_t w, int32_t h, int32_t
end_tft_write(); // Does nothing if Sprite class uses this function
}
void TFT_eSPI::drawSunkenRect(int32_t x, int32_t y, int32_t w, int32_t h, uint32_t color0, uint32_t color1, uint32_t color2)
{
//begin_tft_write(); // Sprite class can use this function, avoiding begin_tft_write()
inTransaction = true;
drawFastHLine(x, y, w, color0);
drawFastHLine(x, y + h - 1, w, color1);
// Avoid drawing corner pixels twice
drawFastVLine(x, y+1, h-2, color0);
drawFastVLine(x + w - 1, y+1, h-2, color1);
setWindow(x + 1, y + 1, x + w - 2, y + h - 2);
pushBlock(color2, (w - 2) * (h - 2));
inTransaction = false;
end_tft_write(); // Does nothing if Sprite class uses this function
}
/***************************************************************************************
** Function name: drawTriangle
@@ -4173,16 +4192,6 @@ uint16_t TFT_eSPI::color565(uint8_t r, uint8_t g, uint8_t b)
}
/***************************************************************************************
** Function name: color16to8
** Description: convert 16 bit colour to an 8 bit 332 RGB colour value
***************************************************************************************/
uint8_t TFT_eSPI::color16to8(uint16_t c)
{
return ((c & 0xE000)>>8) | ((c & 0x0700)>>6) | ((c & 0x0018)>>3);
}
/***************************************************************************************
** Function name: color8to16
** Description: convert 8 bit colour to a 16 bit 565 colour value

10
TFT_eSPI.h
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@@ -498,6 +498,9 @@ class TFT_eSPI { friend class TFT_eSprite; // Sprite class has access to protect
// If bg_color is not included the background pixel colour will be read from TFT or sprite
void drawWedgeLine(float ax, float ay, float bx, float by, float aw, float bw, uint32_t fg_color, uint32_t bg_color = 0x00FFFFFF);
void drawSunkenRect(int32_t x, int32_t y, int32_t w, int32_t h, uint32_t color0, uint32_t color1, uint32_t color2);
void drawCircle(int32_t x, int32_t y, int32_t r, uint32_t color),
drawCircleHelper(int32_t x, int32_t y, int32_t r, uint8_t cornername, uint32_t color),
fillCircle(int32_t x, int32_t y, int32_t r, uint32_t color),
@@ -624,8 +627,11 @@ class TFT_eSPI { friend class TFT_eSprite; // Sprite class has access to protect
// Colour conversion
// Convert 8 bit red, green and blue to 16 bits
uint16_t color565(uint8_t red, uint8_t green, uint8_t blue);
// Convert 8 bit red, green and blue to 16 bits
static constexpr uint16_t color565(uint8_t red, uint8_t green, uint8_t blue) noexcept
{
return ((red & 0xF8) << 8) | ((green & 0xFC) << 3) | (blue >> 3);
}
// Convert 8 bit colour to 16 bits
uint16_t color8to16(uint8_t color332);