Few new fixes.

src/Inkplate.h

@@ -12,9 +12,6 @@
 
 #include "include/defines.h"
 
-static void ckvClock();
-static void usleep1();
-
 class Inkplate : public System, public GFX
 {
   public:

src/include/Image.cpp

@@ -9,7 +9,7 @@
 #define GREEN(a) ((((a)&0x07e0) >> 5) << 2)
 #define BLUE(a)  (((a)&0x001f) << 3)
 
-static Image *_imagePtrJpeg = nullptr;
+Image *_imagePtrJpeg = nullptr;
 
 Image::Image()
 {
@@ -193,147 +193,7 @@ uint8_t Image::ditherSwap(int w)
         ditherBuffer[0][i] = ditherBuffer[1][i];
 }
 
-bool Image::drawMonochromeBitmapWeb(WiFiClient *s, struct bitmapHeader bmpHeader, int x, int y, int len, bool invert)
+void Image::drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint16_t color, uint16_t bg)
-{
-    int w = bmpHeader.width;
-    int h = bmpHeader.height;
-    uint8_t paddingBits = w % 32;
-    int total = len - 34;
-    w /= 32;
-
-    uint8_t *buf = (uint8_t *)ps_malloc(total);
-    if (buf == NULL)
-        return 0;
-
-    int pnt = 0;
-    while (pnt < total)
-    {
-        int toread = s->available();
-        if (toread > 0)
-        {
-            int read = s->read(buf + pnt, toread);
-            if (read > 0)
-                pnt += read;
-        }
-    }
-
-    int i, j, k = bmpHeader.startRAW - 34;
-    for (j = 0; j < h; j++)
-    {
-        for (i = 0; i < w; i++)
-        {
-            uint32_t pixelRow = buf[k++] << 24 | buf[k++] << 16 | buf[k++] << 8 | buf[k++];
-            if (invert)
-                pixelRow = ~pixelRow;
-            for (int n = 0; n < 32; n++)
-            {
-                drawPixel((i * 32) + n + x, h - 1 - j + y, !(pixelRow & (1ULL << (31 - n))));
-            }
-        }
-        if (paddingBits)
-        {
-            uint32_t pixelRow = buf[k++] << 24 | buf[k++] << 16 | buf[k++] << 8 | buf[k++];
-            if (invert)
-                pixelRow = ~pixelRow;
-            for (int n = 0; n < paddingBits; n++)
-            {
-                drawPixel((i * 32) + n + x, h - 1 - j + y, !(pixelRow & (1ULL << (31 - n))));
-            }
-        }
-    }
-
-    free(buf);
-
-    return 1;
-}
-
-bool Image::drawJpegFromSD(SdFile *p, int x, int y, bool dither, bool invert)
-{
-    uint8_t ret = 0;
-
-    TJpgDec.setJpgScale(1);
-    TJpgDec.setCallback(drawJpegChunk);
-
-    uint32_t pnt = 0;
-    uint32_t total = p->fileSize();
-    uint8_t *buf = (uint8_t *)ps_malloc(total);
-    if (buf == NULL)
-        return 0;
-
-    while (pnt < total)
-    {
-        uint32_t toread = p->available();
-        if (toread > 0)
-        {
-            int read = p->read(buf + pnt, toread);
-            if (read > 0)
-                pnt += read;
-        }
-    }
-    p->close();
-
-    selectDisplayMode(INKPLATE_3BIT);
-
-    if (TJpgDec.drawJpg(x, y, buf, total, dither, invert) == 0)
-        ret = 1;
-
-    free(buf);
-
-    return ret;
-}
-
-bool Image::drawJpegChunk(int16_t x, int16_t y, uint16_t w, uint16_t h, uint16_t *bitmap, bool _dither, bool _invert)
-{
-    if (!_imagePtrJpeg)
-        return 0;
-
-    int i, j;
-    for (j = 0; j < h; ++j)
-    {
-        for (i = 0; i < w; ++i)
-        {
-            uint16_t rgb = bitmap[j * w + i];
-            if (_invert)
-                rgb = ~rgb;
-            uint8_t px = (RED(rgb) * 2126 / 10000) + (GREEN(rgb) * 7152 / 10000) + (BLUE(rgb) * 722 / 10000);
-            _imagePtrJpeg->drawPixel(i + x, j + y, px >> 5);
-        }
-    }
-
-    return 1;
-}
-
-bool Image::drawJpegFromSD(const char *fileName, int x, int y, bool dither, bool invert)
-{
-    SdFile dat;
-    if (dat.open(fileName, O_RDONLY))
-        return drawJpegFromSD(&dat, x, y, dither, invert);
-    return 0;
-}
-
-void Image::drawBitmap3Bit(int16_t _x, int16_t _y, const unsigned char *_p, int16_t _w, int16_t _h)
-{
-    if (getDisplayMode() != INKPLATE_3BIT)
-        return;
-    uint8_t _rem = _w % 2;
-    int i, j;
-    int xSize = _w / 2 + _rem;
-
-    for (i = 0; i < _h; i++)
-    {
-        for (j = 0; j < xSize - 1; j++)
-        {
-            drawPixel((j * 2) + _x, i + _y, (*(_p + xSize * (i) + j) >> 4) >> 1);
-            drawPixel((j * 2) + 1 + _x, i + _y, (*(_p + xSize * (i) + j) & 0xff) >> 1);
-        }
-        drawPixel((j * 2) + _x, i + _y, (*(_p + xSize * (i) + j) >> 4) >> 1);
-        if (_rem == 0)
-            drawPixel((j * 2) + 1 + _x, i + _y, (*(_p + xSize * (i) + j) & 0xff) >> 1);
-    }
-}
-
-// FUTURE COMPATIBILITY FUNCTIONS; DO NOT USE!
-void Image::drawBitmap(int16_t x, int16_t y, uint8_t *bitmap, int16_t w, int16_t h, uint16_t color, uint16_t bg)
 {
     int16_t byteWidth = (w + 7) / 8; // Bitmap scanline pad = whole byte
     uint8_t byte = 0;
@@ -357,6 +217,30 @@ void Image::drawBitmap(int16_t x, int16_t y, uint8_t *bitmap, int16_t w, int16_t
     endWrite();
 }
 
+void Image::drawBitmap3Bit(int16_t _x, int16_t _y, const unsigned char *_p, int16_t _w, int16_t _h)
+{
+    if (getDisplayMode() != INKPLATE_3BIT)
+        return;
+    uint8_t _rem = _w & 1;
+    int i, j;
+    int xSize = (_w >> 1) + _rem;
+
+    startWrite();
+    for (i = 0; i < _h; i++)
+    {
+        for (j = 0; j < xSize - 1; j++)
+        {
+            writePixel((j * 2) + _x, i + _y, (*(_p + xSize * (i) + j) >> 4) >> 1);
+            writePixel((j * 2) + 1 + _x, i + _y, (*(_p + xSize * (i) + j) & 0xff) >> 1);
+        }
+        writePixel((j * 2) + _x, i + _y, (*(_p + xSize * (i) + j) >> 4) >> 1);
+        if (_rem == 0)
+            writePixel((j * 2) + 1 + _x, i + _y, (*(_p + xSize * (i) + j) & 0xff) >> 1);
+    }
+    endWrite();
+}
+
+// FUTURE COMPATIBILITY FUNCTIONS; DO NOT USE!
 void Image::drawGrayscaleBitmap(int16_t x, int16_t y, uint8_t *bitmap, int16_t w, int16_t h)
 {
     startWrite();

src/include/Image.h

@@ -3,6 +3,7 @@
 
 #include "../libs/SdFat/SdFat.h"
 #include "Arduino.h"
+#include "Network.h"
 #include "WiFiClient.h"
 #include "defines.h"
 
@@ -18,7 +19,7 @@ struct bitmapHeader
     uint32_t compression;
 };
 
-class Image
+class Image : Network
 {
   public:
     Image();
@@ -35,7 +36,8 @@ class Image
     bool drawImage(const SdFile *path, int x, int y, bool dither = 1, bool invert = 0);
     bool drawImage(const WiFiClient *s, int x, int y, int len = -1, bool dither = 1, bool invert = 0);
 
-    void drawBitmap(int16_t x, int16_t y, uint8_t *bitmap, int16_t w, int16_t h, uint16_t color, uint16_t bg = 0xFFFF);
+    void drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint16_t color,
+                    uint16_t bg = 0xFFFF);
     void drawBitmap3Bit(int16_t _x, int16_t _y, const unsigned char *_p, int16_t _w, int16_t _h);
 
     bool drawBitmapFromSD(SdFile *p, int x, int y, bool dither = 0, bool invert = 0);
@@ -75,8 +77,10 @@ class Image
     uint32_t read32(uint8_t *c);
     uint16_t read16(uint8_t *c);
 
+    void readBmpHeader(uint8_t *buf, bitmapHeader *_h);
     void readBmpHeaderSd(SdFile *_f, bitmapHeader *_h);
-    inline void displayBmpLine(int16_t x, int16_t y, SdFile *f, bitmapHeader *bmpHeader, bool dither, bool invert);
+
+    inline void displayBmpLine(int16_t x, int16_t y, bitmapHeader *bmpHeader, bool dither, bool invert);
 
     bool drawMonochromeBitmapWeb(WiFiClient *s, bitmapHeader bmpHeader, int x, int y, int len, bool invert);
     bool drawGrayscaleBitmap4Web(WiFiClient *s, bitmapHeader bmpHeader, int x, int y, int len, bool dither,

src/include/ImageBMP.cpp

@@ -1,8 +1,11 @@
 #include "Image.h"
 
+#define RGB3BIT(r, g, b) ((54UL * (r) + 183UL * (g) + 19UL * (b)) >> 13)
+
 void Image::readBmpHeaderSd(SdFile *_f, bitmapHeader *_h)
 {
     uint8_t header[100];
+
     _f->rewind();
     _f->read(header, 100);
     _h->signature = read16(header + 0);
@@ -32,32 +35,50 @@ void Image::readBmpHeaderSd(SdFile *_f, bitmapHeader *_h)
         {
             uint32_t c = read32(paletteRGB + (i << 2));
 
-            Serial.println(c, 2);
+            uint8_t r = (c & 0xFF000000) >> 24;
+            uint8_t g = (c & 0x00FF0000) >> 16;
+            uint8_t b = (c & 0x0000FF00) >> 8;
+
+            pallete[i >> 1] |= RGB3BIT(r, g, b) << (i & 1 ? 0 : 4);
+        }
+    }
+}
+
+void Image::readBmpHeader(uint8_t *buf, bitmapHeader *_h)
+{
+    _h->signature = read16(buf + 0);
+    _h->fileSize = read32(buf + 2);
+    _h->startRAW = read32(buf + 10);
+    _h->dibHeaderSize = read32(buf + 14);
+    _h->width = read32(buf + 18);
+    _h->height = read32(buf + 22);
+    _h->color = read16(buf + 28);
+    _h->compression = read32(buf + 30);
+
+    uint32_t totalColors = read32(buf + 46);
+
+    uint8_t paletteRGB[1024];
+
+    if (_h->color <= 8)
+    {
+        if (!totalColors)
+            totalColors = (1ULL << _h->color);
+
+        memcpy(paletteRGB, buf + 53, totalColors * 4);
+        memset(pallete, 0, sizeof pallete);
+
+        for (int i = 0; i < totalColors; ++i)
+        {
+            uint32_t c = read32(paletteRGB + (i << 2));
 
             uint8_t r = (c & 0xFF000000) >> 24;
             uint8_t g = (c & 0x00FF0000) >> 16;
             uint8_t b = (c & 0x0000FF00) >> 8;
-            uint8_t a = (c & 0x000000FF);
 
-            Serial.println(b, 2);
+            pallete[i >> 1] |= RGB3BIT(r, g, b) << (i & 1 ? 0 : 4);
-            Serial.println(g, 2);
-            Serial.println(r, 2);
-            Serial.println(a, 2);
-
-            pallete[i >> 1] |= ((54UL * r + 183UL * g + 19UL * b) >> 13) << (i & 1 ? 0 : 4);
         }
     }
-
+};
-    for (int i = 0; i < totalColors / 2; ++i)
-    {
-        Serial.println(pallete[i] >> 8);
-        Serial.println(pallete[i] & 0xF);
-    }
-
-    Serial.println();
-
-    return;
-}
 
 bool Image::drawBitmapFromSD(const char *fileName, int x, int y, bool dither, bool invert)
 {
@@ -87,28 +108,27 @@ bool Image::drawBitmapFromSD(SdFile *p, int x, int y, bool dither, bool invert)
         selectDisplayMode(INKPLATE_3BIT);
 
     int16_t w = bmpHeader.width, h = bmpHeader.height;
+    int8_t c = bmpHeader.color;
 
     p->seekSet(bmpHeader.startRAW);
 
-    if (bmpHeader.color == 1)
-        Serial.println("nice");
-
     for (int i = 0; i < h; ++i)
-        displayBmpLine(x, y + i, p, &bmpHeader, dither, invert);
+    {
+        int16_t rowSize = (((int16_t)c * w + 31) >> 5) << 2;
 
+        p->read(pixelBuffer, rowSize);
+        displayBmpLine(x, y + i, &bmpHeader, dither, invert);
+    }
     return 1;
 }
 
-void Image::displayBmpLine(int16_t x, int16_t y, SdFile *f, bitmapHeader *bmpHeader, bool dither, bool invert)
+void Image::displayBmpLine(int16_t x, int16_t y, bitmapHeader *bmpHeader, bool dither, bool invert)
 {
     int16_t w = bmpHeader->width, h = bmpHeader->height;
     int8_t c = bmpHeader->color;
 
-    int16_t rowSize = (((int16_t)c * w + 31) >> 5) << 2;
-
     startWrite();
 
-    f->read(pixelBuffer, rowSize);
     for (int j = 0; j < w; ++j)
     {
         switch (c)
@@ -142,9 +162,9 @@ void Image::displayBmpLine(int16_t x, int16_t y, SdFile *f, bitmapHeader *bmpHea
             uint8_t b = (px & 0x1F) << 3;
 
             if (invert)
-                writePixel(x + j, y, 7 - ((54UL * r + 183UL * g + 19UL * b) >> 13));
+                writePixel(x + j, y, 7 - RGB3BIT(r, g, b));
             else
-                writePixel(x + j, y, (54UL * r + 183UL * b + 19UL * g) >> 13);
+                writePixel(x + j, y, RGB3BIT(r, g, b));
             break;
         }
         case 24: {
@@ -153,9 +173,9 @@ void Image::displayBmpLine(int16_t x, int16_t y, SdFile *f, bitmapHeader *bmpHea
             uint8_t b = pixelBuffer[j * 3 + 2];
 
             if (invert)
-                writePixel(x + j, y, 7 - ((54UL * r + 183UL * g + 19UL * b) >> 13));
+                writePixel(x + j, y, 7 - RGB3BIT(r, g, b));
             else
-                writePixel(x + j, y, (54UL * r + 183UL * b + 19UL * g) >> 13);
+                writePixel(x + j, y, RGB3BIT(r, g, b));
             break;
         }
         case 32:
@@ -164,9 +184,9 @@ void Image::displayBmpLine(int16_t x, int16_t y, SdFile *f, bitmapHeader *bmpHea
             uint8_t b = pixelBuffer[j * 4 + 2];
 
             if (invert)
-                writePixel(x + j, y, 7 - ((54UL * r + 183UL * g + 19UL * b) >> 13));
+                writePixel(x + j, y, 7 - RGB3BIT(r, g, b));
             else
-                writePixel(x + j, y, (54UL * r + 183UL * b + 19UL * g) >> 13);
+                writePixel(x + j, y, RGB3BIT(r, g, b));
             break;
         }
     }
@@ -174,240 +194,110 @@ void Image::displayBmpLine(int16_t x, int16_t y, SdFile *f, bitmapHeader *bmpHea
     endWrite();
 }
 
-// bool Image::drawMonochromeBitmapSd(SdFile *f, bitmapHeader bmpHeader, int x, int y, bool invert)
+bool Image::drawBitmapFromWeb(const char *url, int x, int y, bool dither, bool invert)
-// {
+{
-//     int w = bmpHeader.width;
+    uint8_t *buf = (uint8_t *)ps_malloc(800 * 600 * 4 + 100); // TODO: allocate as mush as used
-//     int h = bmpHeader.height;
+    downloadFile(buf, url);
-//     uint8_t paddingBits = w % 32;
-//     w /= 32;
 
+    struct bitmapHeader bmpHeader;
 
-//     int i, j;
+    readBmpHeader(buf, &bmpHeader);
-//     for (j = 0; j < h; j++)
-//     {
-//         uint8_t *bufferPtr = pixelBuffer;
 
-//         for (i = 0; i < w; i++)
+    uint8_t *bufferPtr = buf + bmpHeader.startRAW;
-//         {
+    for (int i = 0; i < bmpHeader.height; ++i)
-//             uint32_t pixelRow = *(bufferPtr++) << 24 | *(bufferPtr++) << 16 | *(bufferPtr++) << 8 | *(bufferPtr++);
+    {
-//             if (invert)
+        memcpy(pixelBuffer, bufferPtr, bmpHeader.width);
-//                 pixelRow = ~pixelRow;
+        displayBmpLine(x, y + i, &bmpHeader, dither, invert);
-//             for (int n = 0; n < 32; n++)
+        bufferPtr += bmpHeader.width;
-//             {
+    }
-//                 drawPixel((i * 32) + n + x, h - 1 - j + y, !(pixelRow & (1ULL << (31 - n))));
-//             }
-//         }
-//         if (paddingBits)
-//         {
-//             uint32_t pixelRow = f->read() << 24 | f->read() << 16 | f->read() << 8 | f->read();
-//             if (invert)
-//                 pixelRow = ~pixelRow;
-//             for (int n = 0; n < paddingBits; n++)
-//             {
-//                 drawPixel((i * 32) + n + x, h - 1 - j + y, !(pixelRow & (1ULL << (31 - n))));
-//             }
-//         }
-//     }
-//     f->close();
-//     return 1;
-// }
 
-// bool Image::drawGrayscaleBitmap4Sd(SdFile *f, bitmapHeader bmpHeader, int x, int y, bool dither, bool invert)
+    return 1;
-// {
+}
-//     int w = bmpHeader.width;
-//     int h = bmpHeader.height;
-//     uint8_t paddingBits = w % 8;
-//     w /= 8;
 
-//     f->seekSet(bmpHeader.startRAW);
+bool Image::drawBitmapFromWeb(WiFiClient *s, int x, int y, int len, bool dither, bool invert)
-//     int i, j;
+{
+    struct bitmapHeader bmpHeader;
+    // readBmpHeaderWeb(s, &bmpHeader);
 
-//     uint8_t *bufferPtr;
+    if (bmpHeader.signature != 0x4D42 || bmpHeader.compression != 0 ||
+        !(bmpHeader.color == 1 || bmpHeader.color == 4 || bmpHeader.color == 8 || bmpHeader.color == 16 ||
+          bmpHeader.color == 24))
+        return 0;
 
-//     if (dither)
+    if ((bmpHeader.color == 4 || bmpHeader.color == 8 || bmpHeader.color == 16 || bmpHeader.color == 24 ||
-//     {
+         bmpHeader.color == 32) &&
-//         bufferPtr = pixelBuffer;
+        getDisplayMode() != INKPLATE_3BIT)
-//         f->read(pixelBuffer, w * 4 + (paddingBits ? 4 : 0));
+    {
+        selectDisplayMode(INKPLATE_3BIT);
+    }
 
-//         ditherStart(pixelBuffer, bufferPtr, w * 8 + (paddingBits ? 4 : 0), invert, 4);
+    if (bmpHeader.color == 1 && getDisplayMode() != INKPLATE_1BIT)
-//     }
+    {
+        selectDisplayMode(INKPLATE_1BIT);
+    }
 
-//     for (j = 0; j < h; j++)
+    if (bmpHeader.color == 1)
-//     {
+        drawMonochromeBitmapWeb(s, bmpHeader, x, y, len, invert);
-//         bufferPtr = pixelBuffer;
+    if (bmpHeader.color == 4)
-//         f->read(pixelBuffer, w * 4 + (paddingBits ? 4 : 0));
+        drawGrayscaleBitmap4Web(s, bmpHeader, x, y, len, dither, invert);
+    if (bmpHeader.color == 8)
+        drawGrayscaleBitmap8Web(s, bmpHeader, x, y, len, dither, invert);
+    if (bmpHeader.color == 24)
+        drawGrayscaleBitmap24Web(s, bmpHeader, x, y, len, dither, invert);
 
-//         if (dither && j != h - 1)
+    return 1;
-//         {
+}
-//             ditherLoadNextLine(pixelBuffer, bufferPtr, w * 8 + (paddingBits ? 4 : 0), invert, 4);
-//         }
 
-//         for (i = 0; i < w; i++)
+bool Image::drawMonochromeBitmapWeb(WiFiClient *s, struct bitmapHeader bmpHeader, int x, int y, int len, bool invert)
-//         {
+{
-//             if (dither)
+    int w = bmpHeader.width;
-//             {
+    int h = bmpHeader.height;
+    uint8_t paddingBits = w % 32;
+    int total = len - 34;
+    w /= 32;
 
-//                 for (int n = 0; n < 8; n++)
+    uint8_t *buf = (uint8_t *)ps_malloc(total);
-//                 {
+    if (buf == NULL)
-//                     drawPixel((i * 8) + n + x, h - 1 - j + y,
+        return 0;
-//                               ditherGetPixel((i * 8) + n, h - 1 - j, w * 8 + (paddingBits ? 4 : 0), h) >> 5);
-//                 }
-//             }
-//             else
-//             {
-//                 uint32_t pixelRow = *(bufferPtr++) << 24 | *(bufferPtr++) << 16 | *(bufferPtr++) << 8 |
-//                 *(bufferPtr++); if (invert)
-//                     pixelRow = ~pixelRow;
-//                 for (int n = 0; n < 8; n++)
-//                 {
-//                     drawPixel((i * 8) + n + x, h - 1 - j + y,
-//                               (pixelRow & (0xFULL << (28 - n * 4))) >> (28 - n * 4 + 1));
-//                 }
-//             }
-//         }
-//         if (paddingBits)
-//         {
-//             if (dither)
-//             {
-//                 for (int n = 0; n < paddingBits; n++)
-//                 {
-//                     drawPixel((i * 8) + n + x, h - 1 - j + y,
-//                               ditherGetPixel((i * 8) + n, h - 1 - j, w * 8 + (paddingBits ? 4 : 0), h) >> 5);
-//                 }
-//             }
-//             else
-//             {
-//                 uint32_t pixelRow = *(bufferPtr++) << 24 | *(bufferPtr++) << 16 | *(bufferPtr++) << 8 |
-//                 *(bufferPtr++); if (invert)
-//                     pixelRow = ~pixelRow;
-//                 for (int n = 0; n < paddingBits; n++)
-//                 {
-//                     drawPixel((i * 8) + n + x, h - 1 - j + y,
-//                               ((pixelRow & (0xFULL << (28 - n * 4)))) >> (28 - n * 4 + 1));
-//                 }
-//             }
-//         }
-//         if (dither)
-//             ditherSwap(w * 8 + paddingBits);
-//     }
-//     f->close();
-//     return 1;
-// }
 
-// bool Image::drawGrayscaleBitmap8Sd(SdFile *f, bitmapHeader bmpHeader, int x, int y, bool dither, bool invert)
+    int pnt = 0;
-// {
+    while (pnt < total)
-//     int w = bmpHeader.width;
+    {
-//     int h = bmpHeader.height;
+        int toread = s->available();
-//     char padding = w & 3;
+        if (toread > 0)
-//     f->seekSet(bmpHeader.startRAW);
+        {
-//     int i, j;
+            int read = s->read(buf + pnt, toread);
+            if (read > 0)
+                pnt += read;
+        }
+    }
 
-//     uint8_t *bufferPtr;
+    int i, j, k = bmpHeader.startRAW - 34;
+    for (j = 0; j < h; j++)
+    {
+        for (i = 0; i < w; i++)
+        {
+            uint32_t pixelRow = buf[k++] << 24 | buf[k++] << 16 | buf[k++] << 8 | buf[k++];
+            if (invert)
+                pixelRow = ~pixelRow;
+            for (int n = 0; n < 32; n++)
+            {
+                drawPixel((i * 32) + n + x, h - 1 - j + y, !(pixelRow & (1ULL << (31 - n))));
+            }
+        }
+        if (paddingBits)
+        {
+            uint32_t pixelRow = buf[k++] << 24 | buf[k++] << 16 | buf[k++] << 8 | buf[k++];
+            if (invert)
+                pixelRow = ~pixelRow;
+            for (int n = 0; n < paddingBits; n++)
+            {
+                drawPixel((i * 32) + n + x, h - 1 - j + y, !(pixelRow & (1ULL << (31 - n))));
+            }
+        }
+    }
 
-//     if (dither)
+    free(buf);
-//     {
-//         bufferPtr = pixelBuffer;
-//         f->read(pixelBuffer, w);
 
-//         ditherStart(pixelBuffer, bufferPtr, w, invert, 8);
+    return 1;
-//     }
+}
-
-//     for (j = 0; j < h; j++)
-//     {
-//         bufferPtr = pixelBuffer;
-//         f->read(pixelBuffer, w);
-
-//         if (dither && j != h - 1)
-//         {
-//             ditherLoadNextLine(pixelBuffer, bufferPtr, w, invert, 8);
-//         }
-
-//         for (i = 0; i < w; i++)
-//         {
-//             if (dither)
-//                 drawPixel(i + x, h - 1 - j + y, ditherGetPixel(i, j, w, h) >> 5);
-//             else
-//             {
-//                 uint8_t px = 0;
-//                 if (invert)
-//                     px = 255 - *(bufferPtr++);
-//                 else
-//                     px = *(bufferPtr++);
-//                 drawPixel(i + x, h - 1 - j + y, px >> 5);
-//             }
-//         }
-//     }
-
-//     if (dither)
-//         ditherSwap(w);
-
-//     if (padding)
-//     {
-//         for (int p = 0; p < 4 - padding; p++)
-//         {
-//             f->read();
-//         }
-//     }
-//     f->close();
-//     return 1;
-// }
-
-// bool Image::drawGrayscaleBitmap24Sd(SdFile *f, bitmapHeader bmpHeader, int x, int y, bool dither, bool invert)
-// {
-//     int w = bmpHeader.width;
-//     int h = bmpHeader.height;
-//     char padding = w & 3;
-//     f->seekSet(bmpHeader.startRAW);
-//     int i, j;
-
-//     uint8_t *bufferPtr;
-
-//     if (dither)
-//     {
-//         bufferPtr = pixelBuffer;
-//         f->read(pixelBuffer, w * 3);
-
-//         ditherStart(pixelBuffer, bufferPtr, w, invert, 24);
-//     }
-
-//     for (j = 0; j < h; j++)
-//     {
-//         bufferPtr = pixelBuffer;
-//         f->read(pixelBuffer, w * 3);
-
-//         if (dither && j != h - 1)
-//         {
-//             ditherLoadNextLine(pixelBuffer, bufferPtr, w, invert, 24);
-//         }
-
-//         for (i = 0; i < w; i++)
-//         {
-//             if (dither)
-//                 drawPixel(i + x, h - 1 - j + y, ditherGetPixel(i, j, w, h) >> 5);
-//             else
-//             {
-//                 uint8_t px = 0;
-//                 if (invert)
-//                     px = ((255 - *(bufferPtr++)) * 2126 / 10000) + ((255 - *(bufferPtr++)) * 7152 / 10000) +
-//                          ((255 - *(bufferPtr++)) * 722 / 10000);
-//                 else
-//                     px = (*(bufferPtr++) * 2126 / 10000) + (*(bufferPtr++) * 7152 / 10000) +
-//                          (*(bufferPtr++) * 722 / 10000);
-//                 drawPixel(i + x, h - 1 - j + y, px >> 5);
-//             }
-//         }
-
-//         if (dither)
-//             ditherSwap(w);
-
-//         if (padding)
-//         {
-//             for (int p = 0; p < padding; p++)
-//             {
-//                 f->read();
-//             }
-//         }
-//     }
-//     f->close();
-//     return 1;
-// }

src/include/ImageJPEG.cpp

@@ -1,5 +1,77 @@
 #include "Image.h"
 
+#include "../libs/TJpeg/TJpg_Decoder.h"
+
 #define RED(a)   ((((a)&0xf800) >> 11) << 3)
 #define GREEN(a) ((((a)&0x07e0) >> 5) << 2)
 #define BLUE(a)  (((a)&0x001f) << 3)
+
+#define RGB3BIT(r, g, b) ((54UL * (r) + 183UL * (g) + 19UL * (b)) >> 13)
+
+extern Image *_imagePtrJpeg;
+
+bool Image::drawJpegChunk(int16_t x, int16_t y, uint16_t w, uint16_t h, uint16_t *bitmap, bool _dither, bool _invert)
+{
+    if (!_imagePtrJpeg)
+        return 0;
+
+    _imagePtrJpeg->startWrite();
+    for (int j = 0; j < h; ++j)
+    {
+        for (int i = 0; i < w; ++i)
+        {
+            uint16_t rgb = bitmap[j * w + i];
+            if (_invert)
+                _imagePtrJpeg->drawPixel(i + x, j + y, 7 - RGB3BIT(RED(rgb), GREEN(rgb), BLUE(rgb)));
+            else
+                _imagePtrJpeg->drawPixel(i + x, j + y, RGB3BIT(RED(rgb), GREEN(rgb), BLUE(rgb)));
+        }
+    }
+    _imagePtrJpeg->endWrite();
+
+    return 1;
+}
+
+bool Image::drawJpegFromSD(const char *fileName, int x, int y, bool dither, bool invert)
+{
+    SdFile dat;
+    if (dat.open(fileName, O_RDONLY))
+        return drawJpegFromSD(&dat, x, y, dither, invert);
+    return 0;
+}
+
+bool Image::drawJpegFromSD(SdFile *p, int x, int y, bool dither, bool invert)
+{
+    uint8_t ret = 0;
+
+    TJpgDec.setJpgScale(1);
+    TJpgDec.setCallback(drawJpegChunk);
+
+    uint32_t pnt = 0;
+    uint32_t total = p->fileSize();
+    uint8_t *buf = (uint8_t *)ps_malloc(total);
+
+    if (buf == NULL)
+        return 0;
+
+    while (pnt < total)
+    {
+        uint32_t toread = p->available();
+        if (toread > 0)
+        {
+            int read = p->read(buf + pnt, toread);
+            if (read > 0)
+                pnt += read;
+        }
+    }
+    p->close();
+
+    selectDisplayMode(INKPLATE_3BIT);
+
+    if (TJpgDec.drawJpg(x, y, buf, total, dither, invert) == 0)
+        ret = 1;
+
+    free(buf);
+
+    return ret;
+}

src/include/Network.cpp

@@ -1 +1,76 @@
 #include "Network.h"
+
+bool Network::joinAP(char *ssid, char *pass)
+{
+    WiFi.mode(WIFI_MODE_STA);
+    WiFi.begin(ssid, pass);
+
+    int cnt = 0;
+    while (!isConnected())
+    {
+        if (cnt > 15)
+            return 0;
+        delay(1000);
+        ++cnt;
+    }
+
+    return 1;
+}
+
+void Network::disconnect()
+{
+    WiFi.mode(WIFI_OFF);
+}
+
+bool Network::isConnected()
+{
+    return WiFi.status() == WL_CONNECTED;
+}
+
+bool Network::downloadFile(uint8_t *buffer, const char *url)
+{
+    if (!isConnected())
+        return 0;
+
+    int ret = 0;
+    uint8_t *bufferPtr = buffer;
+
+    bool sleep = WiFi.getSleep();
+    WiFi.setSleep(false);
+
+    HTTPClient http;
+    http.getStream().setNoDelay(true);
+    http.getStream().setTimeout(1);
+    http.begin(url);
+
+    int httpCode = http.GET();
+    if (httpCode == 200)
+    {
+        int total = http.getSize();
+        int len = total;
+
+        uint8_t buff[128] = {0};
+
+        WiFiClient *stream = http.getStreamPtr();
+
+        while (http.connected() && (len > 0 || len == -1))
+        {
+            size_t size = stream->available();
+            if (size)
+            {
+                int c = stream->readBytes(buff, ((size > sizeof(buff)) ? sizeof(buff) : size));
+
+                memcpy(bufferPtr, buff, c);
+                bufferPtr += c;
+
+                if (len > 0)
+                    len -= c;
+            }
+            yield();
+        }
+    }
+
+    http.end();
+    WiFi.setSleep(sleep);
+    return ret;
+}

src/include/Network.h

@@ -8,6 +8,12 @@
 class Network
 {
   public:
+    bool joinAP(char *ssid, char *pass);
+    void disconnect();
+    bool isConnected();
+
+    bool downloadFile(uint8_t *buffer, const char *url);
+
   private:
 };
 

src/include/Shapes.cpp

@@ -16,14 +16,14 @@
 void Shapes::drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color)
 {
     startWrite();
-    writeFastHLine(x, y, h, color);
+    writeFastVLine(x, y, h, color);
     endWrite();
 }
 
 void Shapes::drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color)
 {
     startWrite();
-    writeLine(x, y, x + w - 1, y, color);
+    writeFastHLine(x, y, w, color);
     endWrite();
 }
 
@@ -327,3 +327,151 @@ void Shapes::fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_
     }
     endWrite();
 }
+
+
+void Shapes::drawElipse(int rx, int ry, int xc, int yc, int c)
+{
+    float dx, dy, d1, d2, x, y;
+    x = 0;
+    y = ry;
+
+    d1 = (ry * ry) - (rx * rx * ry) + (0.25 * rx * rx);
+    dx = 2 * ry * ry * x;
+    dy = 2 * rx * rx * y;
+
+    while (dx < dy)
+    {
+        drawPixel(x + xc, y + yc, c);
+        drawPixel(-x + xc, y + yc, c);
+        drawPixel(x + xc, -y + yc, c);
+        drawPixel(-x + xc, -y + yc, c);
+
+        if (d1 < 0)
+        {
+            x++;
+            dx = dx + (2 * ry * ry);
+            d1 = d1 + dx + (ry * ry);
+        }
+        else
+        {
+            x++;
+            y--;
+            dx = dx + (2 * ry * ry);
+            dy = dy - (2 * rx * rx);
+            d1 = d1 + dx - dy + (ry * ry);
+        }
+    }
+
+    d2 = ((ry * ry) * ((x + 0.5) * (x + 0.5))) + ((rx * rx) * ((y - 1) * (y - 1))) - (rx * rx * ry * ry);
+    while (y >= 0)
+    {
+        drawPixel(x + xc, y + yc, c);
+        drawPixel(-x + xc, y + yc, c);
+        drawPixel(x + xc, -y + yc, c);
+        drawPixel(-x + xc, -y + yc, c);
+
+        if (d2 > 0)
+        {
+            y--;
+            dy = dy - (2 * rx * rx);
+            d2 = d2 + (rx * rx) - dy;
+        }
+        else
+        {
+            y--;
+            x++;
+            dx = dx + (2 * ry * ry);
+            dy = dy - (2 * rx * rx);
+            d2 = d2 + dx - dy + (rx * rx);
+        }
+    }
+}
+
+void Shapes::fillElipse(int rx, int ry, int xc, int yc, int c)
+{
+    int hh = ry * ry;
+    int ww = rx * rx;
+    int hhww = hh * ww;
+    int x0 = rx;
+    int dx = 0;
+
+    for (int x = -rx; x <= rx; x++)
+        drawPixel(xc + x, yc, c);
+
+    for (int y = 1; y <= ry; y++)
+    {
+        int x1 = x0 - (dx - 1);
+        for (; x1 > 0; x1--)
+            if (x1 * x1 * hh + y * y * ww <= hhww)
+                break;
+        dx = x0 - x1;
+        x0 = x1;
+
+        for (int x = -x0; x <= x0; x++)
+        {
+            drawPixel(xc + x, yc - y, c);
+            drawPixel(xc + x, yc + y, c);
+        }
+    }
+}
+
+void Shapes::fillPolygon(int *x, int *y, int n, int color)
+{
+    int tx[100], ty[100];
+    triangulate.triangulate(x, y, n, tx, ty);
+
+    for (int i = 0; i < n - 2; ++i)
+    {
+        fillTriangle(tx[i * 3 + 0], ty[i * 3 + 0], tx[i * 3 + 1], ty[i * 3 + 1], tx[i * 3 + 2], ty[i * 3 + 2], color);
+    }
+}
+
+void Shapes::drawPolygon(int *x, int *y, int n, int color)
+{
+    for (int i = 0; i < n; ++i)
+        drawLine(x[i], y[i], x[(i + 1) % n], y[(i + 1) % n], color);
+}
+
+void Shapes::drawThickLine(int x1, int y1, int x2, int y2, int color, float thickness)
+{
+    float deg = atan2f((float)(y2 - y1), (float)(x2 - x1));
+
+    float l1 = tan(deg);
+    float k1 = (float)y1 - l1 * (float)x1;
+
+    float degShift = (l1 < 0 ? M_PI_2 : -M_PI_2);
+
+    int x3 = (int)round((float)x1 + thickness / 2.0 * cos(deg + degShift));
+    int y3 = (int)round((float)y1 + thickness / 2.0 * sin(deg + degShift));
+
+    int x4 = (int)round((float)x2 + thickness / 2.0 * cos(deg + degShift));
+    int y4 = (int)round((float)y2 + thickness / 2.0 * sin(deg + degShift));
+
+    x1 = (int)round((float)x1 + thickness / 2.0 * cos(deg - degShift));
+    y1 = (int)round((float)y1 + thickness / 2.0 * sin(deg - degShift));
+
+    x2 = (int)round((float)x2 + thickness / 2.0 * cos(deg - degShift));
+    y2 = (int)round((float)y2 + thickness / 2.0 * sin(deg - degShift));
+
+    fillTriangle(x1, y1, x2, y2, x3, y3, color);
+    fillTriangle(x2, y2, x4, y4, x3, y3, color);
+}
+
+void Shapes::drawGradientLine(int x1, int y1, int x2, int y2, int color1, int color2, float thickness)
+{
+    int n = color2 - color1;
+
+    float px = (float)(x2 - x1) / (float)n;
+    float py = (float)(y2 - y1) / (float)n;
+
+    for (int i = 0; i < n; ++i)
+    {
+        if (abs(thickness + 1) < 0.1)
+            drawLine((int)((float)x1 + (float)i * px), (int)((float)y1 + (float)i * py),
+                     (int)((float)x1 + (float)(i + 1) * px), (int)((float)y1 + (float)(i + 1) * py), color1 + i);
+        else
+            drawThickLine((int)((float)x1 + (float)i * px), (int)((float)y1 + (float)i * py),
+                          (int)((float)x1 + (float)(i + 1) * px), (int)((float)y1 + (float)(i + 1) * py), color1 + i,
+                          thickness);
+    }
+}

src/include/Shapes.h

@@ -2,6 +2,7 @@
 #define __SHAPES_H__
 
 #include "Arduino.h"
+#include "Triangulate.h"
 
 class Shapes
 {
@@ -29,7 +30,16 @@ class Shapes
     void drawRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color);
     void fillRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color);
 
+    void drawElipse(int rx, int ry, int xc, int yc, int c);
+    void fillElipse(int rx, int ry, int xc, int yc, int c);
+    void drawPolygon(int *x, int *y, int n, int color);
+    void fillPolygon(int *x, int *y, int n, int color);
+    void drawThickLine(int x1, int y1, int x2, int y2, int color, float thickness);
+    void drawGradientLine(int x1, int y1, int x2, int y2, int color1, int color2, float thickness = -1);
+
   private:
+    Triangulate triangulate;
+
     virtual void startWrite(void) = 0;
     virtual void writePixel(int16_t x, int16_t y, uint16_t color) = 0;
     virtual void writeFillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color) = 0;

src/include/Triangulate.cpp

@@ -0,0 +1,143 @@
+#include "Triangulate.h"
+#include "Arduino.h"
+#include "math.h"
+
+float Triangulate::area(int x1, int y1, int x2, int y2, int x3, int y3)
+{
+    return fabs((float)((x1 * (y2 - y3) + x2 * (y3 - y1) + x3 * (y1 - y2))) / 2.0);
+}
+
+bool Triangulate::isInside(int x1, int y1, int x2, int y2, int x3, int y3, int x, int y)
+{
+    float A = area(x1, y1, x2, y2, x3, y3);
+    float A1 = area(x, y, x2, y2, x3, y3);
+    float A2 = area(x1, y1, x, y, x3, y3);
+    float A3 = area(x1, y1, x2, y2, x, y);
+    return fabs(-A + A1 + A2 + A3) < 1e-3;
+}
+
+void Triangulate::preProcess(int *x, int *y, int n)
+{
+    for (int i = 0; i < n; ++i)
+    {
+        int prev = (i - 1 + n) % n;
+        int next = (i + 1 + n) % n;
+        float deg = atan2(y[prev] - y[i], x[prev] - x[i]) - atan2(y[next] - y[i], x[next] - x[i]);
+        if (deg < 0.0)
+            deg += 2 * M_PI;
+        innerAngle[i] = deg;
+    }
+}
+
+void Triangulate::updateVertex(int p, int *x, int *y, int n)
+{
+    int prev = (p - 1 + n) % n;
+    int next = (p + 1 + n) % n;
+    float deg = atan2(y[prev] - y[p], x[prev] - x[p]) - atan2(y[next] - y[p], x[next] - x[p]);
+    if (deg < 0.0)
+        deg += 2 * M_PI;
+    innerAngle[p] = deg;
+    bool f = 0;
+    for (int j = 0; j < n; ++j)
+    {
+        if (prev != j && p != j && next != j && innerAngle[p] > M_PI &&
+            isInside(x[prev], y[prev], x[p], y[p], x[next], y[next], x[j], y[j]))
+            f = 1;
+    }
+    earTip[p] = !f;
+}
+
+bool Triangulate::isConvex(int *x, int *y, int n)
+{
+    for (int i = 0; i < n; ++i)
+        if (innerAngle[i] > M_PI)
+            return 0;
+    return 1;
+}
+
+void Triangulate::trivialTriangles(int *x, int *y, int n)
+{
+    for (int i = 0; i < n - 2; ++i)
+    {
+        tx[tc] = x[0];
+        ty[tc] = y[0];
+        ++tc;
+        tx[tc] = x[i + 1];
+        ty[tc] = y[i + 1];
+        ++tc;
+        tx[tc] = x[i + 2];
+        ty[tc] = y[i + 2];
+        ++tc;
+    }
+}
+
+void Triangulate::findEars(int *x, int *y, int n)
+{
+    for (int i = 0; i < n; ++i)
+    {
+        if (innerAngle[i] > M_PI)
+            continue;
+        int prev = (i - 1 + n) % n;
+        int next = (i + 1 + n) % n;
+        bool f = 0;
+        for (int j = 0; j < n; ++j)
+        {
+            if (prev != j && i != j && next != j && innerAngle[i] > M_PI &&
+                isInside(x[prev], y[prev], x[i], y[i], x[next], y[next], x[j], y[j]))
+                f = 1;
+        }
+        earTip[i] = !f;
+    }
+}
+
+int Triangulate::smallestEar(int *x, int *y, int n)
+{
+    int mn = 0;
+    for (int i = 1; i < n; ++i)
+        if (earTip[i] && innerAngle[i] < innerAngle[mn])
+            mn = i;
+    return mn;
+}
+
+void Triangulate::nonTrivialTriangles(int *x, int *y, int n)
+{
+    findEars(x, y, n);
+    int initialN = n;
+    while (tc / 3 < initialN - 2)
+    {
+        int pos = smallestEar(x, y, n);
+        int prev = (pos - 1 + n) % n;
+        int next = (pos + 1 + n) % n;
+        tx[tc] = x[prev];
+        ty[tc] = y[prev];
+        ++tc;
+        tx[tc] = x[pos];
+        ty[tc] = y[pos];
+        ++tc;
+        tx[tc] = x[next];
+        ty[tc] = y[next];
+        ++tc;
+        for (int i = pos; i < n - 1; i++)
+        {
+            x[i] = x[i + 1];
+            y[i] = y[i + 1];
+            innerAngle[i] = innerAngle[i + 1];
+            earTip[i] = earTip[i + 1];
+        }
+        --n;
+        updateVertex(prev, x, y, n);
+        updateVertex(prev + 1, x, y, n);
+    }
+}
+
+void Triangulate::triangulate(int *x, int *y, int n, int *_tx, int *_ty)
+{
+    tc = 0;
+    preProcess(x, y, n);
+    if (isConvex(x, y, n))
+        trivialTriangles(x, y, n);
+    else
+        nonTrivialTriangles(x, y, n);
+    memcpy(_tx, tx, 100);
+    memcpy(_ty, ty, 100);
+}

src/include/Triangulate.h

@@ -0,0 +1,30 @@
+#ifndef TRIANGULATE_H
+#define TRIANGULATE_H
+
+#include "Arduino.h"
+
+class Triangulate
+{
+  private:
+    int tx[100];
+    int ty[100];
+    int tc = 0;
+
+    float innerAngle[100];
+    bool earTip[100];
+
+    float area(int x1, int y1, int x2, int y2, int x3, int y3);
+    bool isInside(int x1, int y1, int x2, int y2, int x3, int y3, int x, int y);
+    void preProcess(int *x, int *y, int n);
+    void updateVertex(int p, int *x, int *y, int n);
+    bool isConvex(int *x, int *y, int n);
+    void trivialTriangles(int *x, int *y, int n);
+    void findEars(int *x, int *y, int n);
+    int smallestEar(int *x, int *y, int n);
+    void nonTrivialTriangles(int *x, int *y, int n);
+
+  public:
+    void triangulate(int *x, int *y, int n, int *_tx, int *_ty);
+};
+
+#endif

test/test.ino

@@ -24,7 +24,7 @@
 #include "Inkplate.h" //Include Inkplate library to the sketch
 #include "SdFat.h"    //Include library for SD card
 Inkplate display(
-    INKPLATE_1BIT); // Create an object on Inkplate library and also set library into 1 Bit mode (Monochrome)
+    INKPLATE_3BIT); // Create an object on Inkplate library and also set library into 1 Bit mode (Monochrome)
 SdFile file;        // Create SdFile object used for accessing files on SD card
 
 void setup()
@@ -49,7 +49,7 @@ void loop()
         // NOTE: Both drawBitmapFromSD methods allow for an optional fourth "invert" parameter. Setting this parameter
         // to true will flip all colors on the image, making black white and white black. This may be necessary when
         // exporting bitmaps from certain softwares.
-        if (!display.drawBitmapFromSD("4bitish.bmp", 200, 0, 0))
+        if (!display.drawBitmapFromSD("4bitTest.bmp", 0, 0, 0))
         {
             // If is something failed (wrong filename or wrong bitmap format), write error message on the screen.
             // REMEMBER! You can only use Windows Bitmap file with color depth of 1, 4, 8 or 24 bits with no