Bodmer/TFT_eSPI
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Update for GC9A01 display

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Correct sprite rendering
GC9A01 expects exact number of pixels to fill setWindow area.
This commit is contained in:
Bodmer
2021-11-28 13:57:15 +00:00
parent 07e77ad051
commit 9bf9c0940f
5 changed files with 34 additions and 27 deletions
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4
Extensions/Sprite.cpp
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@@ -441,7 +441,7 @@ bool TFT_eSprite::pushRotated(int16_t angle, uint32_t transp)
if (tpcolor == rp) { if (tpcolor == rp) {
if (pixel_count) { if (pixel_count) {
// TFT window is already clipped, so this is faster than pushImage() // TFT window is already clipped, so this is faster than pushImage()
_tft->setWindow(x - pixel_count, y, x, y); _tft->setWindow(x - pixel_count, y, x - 1, y);
_tft->pushPixels(sline_buffer, pixel_count); _tft->pushPixels(sline_buffer, pixel_count);
pixel_count = 0; pixel_count = 0;
} }
@@ -452,7 +452,7 @@ bool TFT_eSprite::pushRotated(int16_t angle, uint32_t transp)
} while (++x < max_x && (xs += _cosra) < xe && (ys += _sinra) < ye); } while (++x < max_x && (xs += _cosra) < xe && (ys += _sinra) < ye);
if (pixel_count) { if (pixel_count) {
// TFT window is already clipped, so this is faster than pushImage() // TFT window is already clipped, so this is faster than pushImage()
_tft->setWindow(x - pixel_count, y, x, y); _tft->setWindow(x - pixel_count, y, x - 1, y);
_tft->pushPixels(sline_buffer, pixel_count); _tft->pushPixels(sline_buffer, pixel_count);
} }
} }

51
TFT_eSPI.cpp
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@@ -1272,7 +1272,7 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint16_t *d
{ {
int32_t len = dw; int32_t len = dw;
uint16_t* ptr = data; uint16_t* ptr = data;
int32_t px = x; int32_t px = x, sx = x;
bool move = true; bool move = true;
uint16_t np = 0; uint16_t np = 0;
@@ -1280,7 +1280,7 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint16_t *d
{ {
if (transp != *ptr) if (transp != *ptr)
{ {
if (move) { move = false; setWindow(px, y, xe, ye); } if (move) { move = false; sx = px; }
lineBuf[np] = *ptr; lineBuf[np] = *ptr;
np++; np++;
} }
@@ -1289,14 +1289,15 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint16_t *d
move = true; move = true;
if (np) if (np)
{ {
pushPixels((uint16_t*)lineBuf, np); setWindow(sx, y, sx + np - 1, y);
np = 0; pushPixels((uint16_t*)lineBuf, np);
np = 0;
} }
} }
px++; px++;
ptr++; ptr++;
} }
if (np) pushPixels((uint16_t*)lineBuf, np); if (np) { setWindow(sx, y, sx + np - 1, y); pushPixels((uint16_t*)lineBuf, np); }
y++; y++;
data += w; data += w;
@@ -1361,7 +1362,7 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, const uint1
while (dh--) { while (dh--) {
int32_t len = dw; int32_t len = dw;
uint16_t* ptr = (uint16_t*)data; uint16_t* ptr = (uint16_t*)data;
int32_t px = x; int32_t px = x, sx = x;
bool move = true; bool move = true;
uint16_t np = 0; uint16_t np = 0;
@@ -1369,21 +1370,22 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, const uint1
while (len--) { while (len--) {
uint16_t color = pgm_read_word(ptr); uint16_t color = pgm_read_word(ptr);
if (transp != color) { if (transp != color) {
if (move) { move = false; setWindow(px, y, xe, ye); } if (move) { move = false; sx = px; }
lineBuf[np] = color; lineBuf[np] = color;
np++; np++;
} }
else { else {
move = true; move = true;
if (np) { if (np) {
pushPixels(lineBuf, np); setWindow(sx, y, sx + np - 1, y);
np = 0; pushPixels(lineBuf, np);
np = 0;
} }
} }
px++; px++;
ptr++; ptr++;
} }
if (np) pushPixels(lineBuf, np); if (np) { setWindow(sx, y, sx + np - 1, y); pushPixels(lineBuf, np); }
y++; y++;
data += w; data += w;
@@ -1694,13 +1696,13 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint8_t *da
uint8_t* ptr = data; uint8_t* ptr = data;
uint8_t* linePtr = (uint8_t*)lineBuf; uint8_t* linePtr = (uint8_t*)lineBuf;
int32_t px = x; int32_t px = x, sx = x;
bool move = true; bool move = true;
uint16_t np = 0; uint16_t np = 0;
while (len--) { while (len--) {
if (transp != *ptr) { if (transp != *ptr) {
if (move) { move = false; setWindow(px, y, xe, ye);} if (move) { move = false; sx = px; }
uint8_t color = *ptr; uint8_t color = *ptr;
// Shifts are slow so check if colour has changed first // Shifts are slow so check if colour has changed first
@@ -1718,6 +1720,7 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint8_t *da
else { else {
move = true; move = true;
if (np) { if (np) {
setWindow(sx, y, sx + np - 1, y);
pushPixels(lineBuf, np); pushPixels(lineBuf, np);
linePtr = (uint8_t*)lineBuf; linePtr = (uint8_t*)lineBuf;
np = 0; np = 0;
@@ -1727,7 +1730,7 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint8_t *da
ptr++; ptr++;
} }
if (np) pushPixels(lineBuf, np); if (np) { setWindow(sx, y, sx + np - 1, y); pushPixels(lineBuf, np); }
y++; y++;
data += w; data += w;
} }
@@ -1749,7 +1752,7 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint8_t *da
uint32_t len = dw; uint32_t len = dw;
uint8_t * ptr = data; uint8_t * ptr = data;
int32_t px = x; int32_t px = x, sx = x;
bool move = true; bool move = true;
uint16_t np = 0; uint16_t np = 0;
@@ -1758,7 +1761,7 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint8_t *da
if (splitFirst) { if (splitFirst) {
index = (*ptr & 0x0F); // odd = bits 3 .. 0 index = (*ptr & 0x0F); // odd = bits 3 .. 0
if (index != transp) { if (index != transp) {
move = false; setWindow(px, y, xe, ye); move = false; sx = px;
lineBuf[np] = cmap[index]; lineBuf[np] = cmap[index];
np++; np++;
} }
@@ -1775,7 +1778,7 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint8_t *da
uint16_t index = ((color & 0xF0) >> 4) & 0x0F; // high bits are the even numbers uint16_t index = ((color & 0xF0) >> 4) & 0x0F; // high bits are the even numbers
if (index != transp) { if (index != transp) {
if (move) { if (move) {
move = false; setWindow(px, y, xe, ye); move = false; sx = px;
} }
lineBuf[np] = cmap[index]; lineBuf[np] = cmap[index];
np++; // added a pixel np++; // added a pixel
@@ -1783,6 +1786,7 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint8_t *da
else { else {
move = true; move = true;
if (np) { if (np) {
setWindow(sx, y, sx + np - 1, y);
pushPixels(lineBuf, np); pushPixels(lineBuf, np);
np = 0; np = 0;
} }
@@ -1794,7 +1798,7 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint8_t *da
index = color & 0x0F; // the odd number is 3 .. 0 index = color & 0x0F; // the odd number is 3 .. 0
if (index != transp) { if (index != transp) {
if (move) { if (move) {
move = false; setWindow(px, y, xe, ye); move = false; sx = px;
} }
lineBuf[np] = cmap[index]; lineBuf[np] = cmap[index];
np++; np++;
@@ -1802,6 +1806,7 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint8_t *da
else { else {
move = true; move = true;
if (np) { if (np) {
setWindow(sx, y, sx + np - 1, y);
pushPixels(lineBuf, np); pushPixels(lineBuf, np);
np = 0; np = 0;
} }
@@ -1815,6 +1820,7 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint8_t *da
} }
if (np) { if (np) {
setWindow(sx, y, sx + np - 1, y);
pushPixels(lineBuf, np); pushPixels(lineBuf, np);
np = 0; np = 0;
} }
@@ -1830,29 +1836,30 @@ void TFT_eSPI::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, uint8_t *da
for (int32_t yp = dy; yp < dy + dh; yp++) for (int32_t yp = dy; yp < dy + dh; yp++)
{ {
int32_t px = x; int32_t px = x, sx = x;
bool move = true; bool move = true;
for (int32_t xp = dx; xp < dx + dw; xp++) for (int32_t xp = dx; xp < dx + dw; xp++)
{ {
if (data[(xp>>3)] & (0x80 >> (xp & 0x7))) { if (data[(xp>>3)] & (0x80 >> (xp & 0x7))) {
if (move) { if (move) {
move = false; move = false;
setWindow(px, y, xe, ye); sx = px;
} }
np++; np++;
} }
else { else {
move = true;
if (np) { if (np) {
setWindow(sx, y, sx + np - 1, y);
pushBlock(bitmap_fg, np); pushBlock(bitmap_fg, np);
np = 0; np = 0;
move = true;
} }
} }
px++; px++;
} }
y++; y++;
data += ww; data += ww;
if (np) { pushBlock(bitmap_fg, np); np = 0; } if (np) { setWindow(sx, y, sx + np - 1, y); pushBlock(bitmap_fg, np); np = 0; }
} }
} }
_swapBytes = swap; // Restore old value _swapBytes = swap; // Restore old value
@@ -2900,7 +2907,7 @@ void TFT_eSPI::drawChar(int32_t x, int32_t y, uint16_t c, uint32_t color, uint32
uint8_t mask = 0x1; uint8_t mask = 0x1;
begin_tft_write(); begin_tft_write();
setWindow(xd, yd, xd+5, yd+8); setWindow(xd, yd, xd+5, yd+7);
for (int8_t i = 0; i < 5; i++ ) column[i] = pgm_read_byte(font + (c * 5) + i); for (int8_t i = 0; i < 5; i++ ) column[i] = pgm_read_byte(font + (c * 5) + i);
column[5] = 0; column[5] = 0;

2
TFT_eSPI.h
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@@ -16,7 +16,7 @@
#ifndef _TFT_eSPIH_ #ifndef _TFT_eSPIH_
#define _TFT_eSPIH_ #define _TFT_eSPIH_
#define TFT_ESPI_VERSION "2.3.82" #define TFT_ESPI_VERSION "2.3.83"
// Bit level feature flags // Bit level feature flags
// Bit 0 set: viewport capability // Bit 0 set: viewport capability

2
library.json
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@@ -1,6 +1,6 @@
{ {
"name": "TFT_eSPI", "name": "TFT_eSPI",
"version": "2.3.82", "version": "2.3.83",
"keywords": "Arduino, tft, ePaper, display, Pico, RP2040, STM32, ESP8266, NodeMCU, ESP32, M5Stack, ILI9341, ST7735, ILI9163, S6D02A1, ILI9481, ILI9486, ILI9488, ST7789, RM68140, SSD1351, SSD1963, ILI9225, HX8357D", "keywords": "Arduino, tft, ePaper, display, Pico, RP2040, STM32, ESP8266, NodeMCU, ESP32, M5Stack, ILI9341, ST7735, ILI9163, S6D02A1, ILI9481, ILI9486, ILI9488, ST7789, RM68140, SSD1351, SSD1963, ILI9225, HX8357D",
"description": "A TFT and ePaper SPI graphics library with optimisation for Raspberry Pi Pico, ESP8266, ESP32 and STM32", "description": "A TFT and ePaper SPI graphics library with optimisation for Raspberry Pi Pico, ESP8266, ESP32 and STM32",
"repository": "repository":

2
library.properties
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@@ -1,5 +1,5 @@
name=TFT_eSPI name=TFT_eSPI
version=2.3.82 version=2.3.83
author=Bodmer author=Bodmer
maintainer=Bodmer maintainer=Bodmer
sentence=TFT graphics library for Arduino processors with performance optimisation for RP2040, STM32, ESP8266 and ESP32 sentence=TFT graphics library for Arduino processors with performance optimisation for RP2040, STM32, ESP8266 and ESP32