Bad Apple!!

platformio.ini

@@ -20,4 +20,5 @@ lib_deps =
   Wire
   fastled/FastLED
   https://github.com/mrfaptastic/ESP32-HUB75-MatrixPanel-I2S-DMA.git
+  bitbank2/AnimatedGIF
 

src/main.cpp

@@ -1,8 +1,10 @@
 #include <Arduino.h>
 #include "xtensa/core-macros.h"
 #include <ESP32-HUB75-MatrixPanel-I2S-DMA.h>
+#include <AnimatedGIF.h>
 
 #include "main.h"
+#include "badapple.h"
 
 #define R1 25
 #define G1 27 //26
@@ -30,6 +32,8 @@
 #define NUM_LEDS PANE_WIDTH*PANE_HEIGHT
 
 MatrixPanel_I2S_DMA *matrix = nullptr;
+AnimatedGIF gif;
+int frameDelay = 500;
 
 void setup(){
 
@@ -45,20 +49,106 @@ void setup(){
 
   mxconfig.latch_blanking = 4;
   mxconfig.i2sspeed = HUB75_I2S_CFG::HZ_10M;
-  mxconfig.clkphase = true;
+  mxconfig.clkphase = false;
 
   matrix = new MatrixPanel_I2S_DMA(mxconfig);
   matrix->begin();
-  matrix->setBrightness8(32);
+  matrix->setBrightness8(128);
+  matrix->fillScreenRGB888(0, 0, 0);
+
+  gif.begin(LITTLE_ENDIAN_PIXELS);
+}
+
+void GIFDraw(GIFDRAW *pDraw) {
+  uint8_t *s;
+  uint16_t *d, *usPalette, usTemp[320];
+  int x, y, iWidth;
+
+  usPalette = pDraw->pPalette;
+  y = pDraw->iY + pDraw->y; // current line
+
+  s = pDraw->pPixels;
+  if (pDraw->ucDisposalMethod == 2) // restore to background color
+  {
+    for (x = 0; x < iWidth; x++)
+    {
+      if (s[x] == pDraw->ucTransparent)
+        s[x] = pDraw->ucBackground;
+    }
+    pDraw->ucHasTransparency = 0;
+  }
+  // Apply the new pixels to the main image
+  if (pDraw->ucHasTransparency) // if transparency used
+  {
+    Serial.println("Transparency!");
+    uint8_t *pEnd, c, ucTransparent = pDraw->ucTransparent;
+    int x, iCount;
+    pEnd = s + pDraw->iWidth;
+    //x = 0;
+    x = pDraw->iX;
+    iCount = 0; // count non-transparent pixels
+    while (x < pDraw->iWidth)
+    {
+      c = ucTransparent - 1;
+      d = usTemp;
+      while (c != ucTransparent && s < pEnd)
+      {
+        c = *s++;
+        if (c == ucTransparent) // done, stop
+        {
+          s--; // back up to treat it like transparent
+        }
+        else // opaque
+        {
+          *d++ = usPalette[c];
+          iCount++;
+        }
+      }           // while looking for opaque pixels
+      if (iCount) // any opaque pixels?
+      {
+        for (int xOffset = 0; xOffset < iCount; xOffset++)
+        {
+          matrix->drawPixel(x + xOffset, y, usTemp[xOffset]);
+        }
+        x += iCount;
+        iCount = 0;
+      }
+      // no, look for a run of transparent pixels
+      c = ucTransparent;
+      while (c == ucTransparent && s < pEnd)
+      {
+        c = *s++;
+        if (c == ucTransparent)
+          iCount++;
+        else
+          s--;
+      }
+      if (iCount)
+      {
+        x += iCount; // skip these
+        iCount = 0;
+      }
+    }
+  }
+  else
+  {
+    s = pDraw->pPixels;
+    // Translate the 8-bit pixels through the RGB565 palette (already byte reversed)
+    for (x = 0; x < pDraw->iWidth; x++)
+    {
+      matrix->drawPixel(x, y, usPalette[*s++]);
+    }
+  }
 }
 
 void loop() {
-  for(int y = 0; y!=PANE_HEIGHT; y++) {
-    for(int x = 0; x!=PANE_WIDTH; x++) {
-        matrix->drawPixelRGB888(x, y, 0, 0, 255);
-        delay(10);
+  if (gif.open((uint8_t *)badapple, sizeof(badapple), GIFDraw))
+  {
+    Serial.printf("Successfully opened GIF; Canvas size = %d x %d\n", gif.getCanvasWidth(), gif.getCanvasHeight());
+    while (gif.playFrame(true, NULL))
+    {
     }
-    Serial.printf("Row complete: %d\n", y);
+    gif.close();
   }
-  matrix->fillScreenRGB888(0, 0, 0);
 }
+