1

Revision:
17:c0c589ffe9bf
Parent:
14:edb3c36aa1a7
--- a/Adafruit_GFX.cpp	Tue Nov 11 22:08:20 2014 +0000
+++ b/Adafruit_GFX.cpp	Fri Jun 17 02:24:45 2022 +0000
@@ -1,14 +1,14 @@
 /***********************************
-This is a our graphics core library, for all our displays. 
+This is a our graphics core library, for all our displays.
 We'll be adapting all the
-existing libaries to use this core to make updating, support 
+existing libaries to use this core to make updating, support
 and upgrading easier!
 
-Adafruit invests time and resources providing this open source code, 
-please support Adafruit and open-source hardware by purchasing 
+Adafruit invests time and resources providing this open source code,
+please support Adafruit and open-source hardware by purchasing
 products from Adafruit!
 
-Written by Limor Fried/Ladyada  for Adafruit Industries.  
+Written by Limor Fried/Ladyada  for Adafruit Industries.
 BSD license, check license.txt for more information
 All text above must be included in any redistribution
 ****************************************/
@@ -31,16 +31,14 @@
     int16_t ddF_y = -2 * r;
     int16_t x = 0;
     int16_t y = r;
-    
+
     drawPixel(x0, y0+r, color);
     drawPixel(x0, y0-r, color);
     drawPixel(x0+r, y0, color);
     drawPixel(x0-r, y0, color);
-    
-    while (x<y)
-    {
-        if (f >= 0)
-        {
+
+    while (x<y) {
+        if (f >= 0) {
             y--;
             ddF_y += 2;
             f += ddF_y;
@@ -48,7 +46,7 @@
         x++;
         ddF_x += 2;
         f += ddF_x;
-        
+
         drawPixel(x0 + x, y0 + y, color);
         drawPixel(x0 - x, y0 + y, color);
         drawPixel(x0 + x, y0 - y, color);
@@ -67,11 +65,9 @@
     int16_t ddF_y = -2 * r;
     int16_t x     = 0;
     int16_t y     = r;
-    
-    while (x<y)
-    {
-        if (f >= 0)
-        {
+
+    while (x<y) {
+        if (f >= 0) {
             y--;
             ddF_y += 2;
             f += ddF_y;
@@ -79,27 +75,23 @@
         x++;
         ddF_x += 2;
         f += ddF_x;
-        
-        if (cornername & 0x4)
-        {
+
+        if (cornername & 0x4) {
             drawPixel(x0 + x, y0 + y, color);
             drawPixel(x0 + y, y0 + x, color);
-        } 
+        }
 
-        if (cornername & 0x2)
-        {
+        if (cornername & 0x2) {
             drawPixel(x0 + x, y0 - y, color);
             drawPixel(x0 + y, y0 - x, color);
         }
 
-        if (cornername & 0x8)
-        {
+        if (cornername & 0x8) {
             drawPixel(x0 - y, y0 + x, color);
             drawPixel(x0 - x, y0 + y, color);
         }
-        
-        if (cornername & 0x1)
-        {
+
+        if (cornername & 0x1) {
             drawPixel(x0 - y, y0 - x, color);
             drawPixel(x0 - x, y0 - y, color);
         }
@@ -120,11 +112,9 @@
     int16_t ddF_y = -2 * r;
     int16_t x     = 0;
     int16_t y     = r;
-    
-    while (x<y)
-    {
-        if (f >= 0)
-        {
+
+    while (x<y) {
+        if (f >= 0) {
             y--;
             ddF_y += 2;
             f += ddF_y;
@@ -132,15 +122,13 @@
         x++;
         ddF_x += 2;
         f += ddF_x;
-        
-        if (cornername & 0x1)
-        {
+
+        if (cornername & 0x1) {
             drawFastVLine(x0+x, y0-y, 2*y+1+delta, color);
             drawFastVLine(x0+y, y0-x, 2*x+1+delta, color);
         }
 
-        if (cornername & 0x2)
-        {
+        if (cornername & 0x2) {
             drawFastVLine(x0-x, y0-y, 2*y+1+delta, color);
             drawFastVLine(x0-y, y0-x, 2*x+1+delta, color);
         }
@@ -153,41 +141,37 @@
 void Adafruit_GFX::drawLine(int16_t x0, int16_t y0,  int16_t x1, int16_t y1, uint16_t color)
 {
     int16_t steep = abs(y1 - y0) > abs(x1 - x0);
-    
-    if (steep)
-    {
+
+    if (steep) {
         swap(x0, y0);
         swap(x1, y1);
     }
-    
-    if (x0 > x1)
-    {
+
+    if (x0 > x1) {
         swap(x0, x1);
         swap(y0, y1);
     }
-    
+
     int16_t dx, dy;
     dx = x1 - x0;
     dy = abs(y1 - y0);
-    
+
     int16_t err = dx / 2;
     int16_t ystep;
-    
+
     if (y0 < y1)
         ystep = 1;
     else
         ystep = -1;
-    
-    for (; x0<=x1; x0++)
-    {
+
+    for (; x0<=x1; x0++) {
         if (steep)
             drawPixel(y0, x0, color);
         else
             drawPixel(x0, y0, color);
 
         err -= dy;
-        if (err < 0)
-        {
+        if (err < 0) {
             y0 += ystep;
             err += dx;
         }
@@ -204,7 +188,7 @@
 {
     // stupidest version - update in subclasses if desired!
     for (int16_t i=x; i<x+w; i++)
-        drawFastVLine(i, y, h, color); 
+        drawFastVLine(i, y, h, color);
 }
 #endif
 
@@ -233,15 +217,15 @@
 void Adafruit_GFX::drawRoundRect(int16_t x, int16_t y, int16_t w, int16_t h, int16_t r, uint16_t color)
 {
     // smarter version
-    drawFastHLine(x+r  , y    , w-2*r, color); // Top
-    drawFastHLine(x+r  , y+h-1, w-2*r, color); // Bottom
-    drawFastVLine(  x    , y+r  , h-2*r, color); // Left
-    drawFastVLine(  x+w-1, y+r  , h-2*r, color); // Right
+    drawFastHLine(x+r, y, w-2*r, color);       // Top
+    drawFastHLine(x+r, y+h-1, w-2*r, color);   // Bottom
+    drawFastVLine(  x, y+r, h-2*r, color);       // Left
+    drawFastVLine(  x+w-1, y+r, h-2*r, color);   // Right
     // draw four corners
-    drawCircleHelper(x+r    , y+r    , r, 1, color);
-    drawCircleHelper(x+w-r-1, y+r    , r, 2, color);
+    drawCircleHelper(x+r, y+r, r, 1, color);
+    drawCircleHelper(x+w-r-1, y+r, r, 2, color);
     drawCircleHelper(x+w-r-1, y+h-r-1, r, 4, color);
-    drawCircleHelper(x+r    , y+h-r-1, r, 8, color);
+    drawCircleHelper(x+r, y+h-r-1, r, 8, color);
 }
 
 // fill a rounded rectangle!
@@ -249,10 +233,10 @@
 {
     // smarter version
     fillRect(x+r, y, w-2*r, h, color);
-    
+
     // draw four corners
     fillCircleHelper(x+w-r-1, y+r, r, 1, h-2*r-1, color);
-    fillCircleHelper(x+r    , y+r, r, 2, h-2*r-1, color);
+    fillCircleHelper(x+r, y+r, r, 2, h-2*r-1, color);
 }
 
 // draw a triangle!
@@ -267,42 +251,45 @@
 void Adafruit_GFX::fillTriangle ( int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color)
 {
     int16_t a, b, y, last;
-    
+
     // Sort coordinates by Y order (y2 >= y1 >= y0)
     if (y0 > y1)
-        swap(y0, y1); swap(x0, x1);
+        swap(y0, y1);
+    swap(x0, x1);
 
     if (y1 > y2)
-        swap(y2, y1); swap(x2, x1);
+        swap(y2, y1);
+    swap(x2, x1);
 
     if (y0 > y1)
-        swap(y0, y1); swap(x0, x1);
+        swap(y0, y1);
+    swap(x0, x1);
 
-    
-    if(y0 == y2)
-    { // Handle awkward all-on-same-line case as its own thing
+
+    if(y0 == y2) {
+        // Handle awkward all-on-same-line case as its own thing
         a = b = x0;
         if(x1 < a)
             a = x1;
         else if(x1 > b)
             b = x1;
-            
+
         if(x2 < a)
             a = x2;
         else if(x2 > b) b = x2;
-            drawFastHLine(a, y0, b-a+1, color);
+        drawFastHLine(a, y0, b-a+1, color);
         return;
     }
 
     int16_t
-        dx01 = x1 - x0,
-        dy01 = y1 - y0,
-        dx02 = x2 - x0,
-        dy02 = y2 - y0,
-        dx12 = x2 - x1,
-        dy12 = y2 - y1,
-        sa   = 0,
-        sb   = 0;
+    dx01 = x1 - x0,
+    dy01 = y1 - y0,
+    dx02 = x2 - x0,
+    dy02 = y2 - y0,
+    dx12 = x2 - x1,
+    dy12 = y2 - y1,
+    sa   = 0,
+    sb   = 0;
 
     // For upper part of triangle, find scanline crossings for segments
     // 0-1 and 0-2.  If y1=y2 (flat-bottomed triangle), the scanline y1
@@ -315,8 +302,7 @@
     else
         last = y1-1; // Skip it
 
-    for(y=y0; y<=last; y++)
-    {
+    for(y=y0; y<=last; y++) {
         a   = x0 + sa / dy01;
         b   = x0 + sb / dy02;
         sa += dx01;
@@ -334,8 +320,7 @@
     // 0-2 and 1-2.  This loop is skipped if y1=y2.
     sa = dx12 * (y - y1);
     sb = dx02 * (y - y0);
-    for(; y<=y2; y++)
-    {
+    for(; y<=y2; y++) {
         a   = x1 + sa / dy12;
         b   = x0 + sb / dy02;
         sa += dx12;
@@ -352,10 +337,8 @@
 
 void Adafruit_GFX::drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint16_t color)
 {
-    for (int16_t j=0; j<h; j++)
-    {
-        for (int16_t i=0; i<w; i++ )
-        {
+    for (int16_t j=0; j<h; j++) {
+        for (int16_t i=0; i<w; i++ ) {
             if (bitmap[i + (j/8)*w] & _BV(j%8))
                 drawPixel(x+i, y+j, color);
         }
@@ -365,19 +348,15 @@
 
 size_t Adafruit_GFX::writeChar(uint8_t c)
 {
-    if (c == '\n')
-    {
+    if (c == '\n') {
         cursor_y += textsize*8;
         cursor_x = 0;
-    }
-    else if (c == '\r')
+    } else if (c == '\r')
         cursor_x = 0;
-    else
-    {
+    else {
         drawChar(cursor_x, cursor_y, c, textcolor, textbgcolor, textsize);
         cursor_x += textsize*6;
-        if (wrap && (cursor_x > (_width - textsize*6)))
-        {
+        if (wrap && (cursor_x > (_width - textsize*6))) {
             cursor_y += textsize*8;
             cursor_x = 0;
         }
@@ -393,22 +372,19 @@
         (y >= _height) || // Clip bottom
         ((x + 5 * size - 1) < 0) || // Clip left
         ((y + 8 * size - 1) < 0) // Clip top
-        )
-    return;
-    
-    for (int8_t i=0; i<6; i++ )
-    {
+    )
+        return;
+
+    for (int8_t i=0; i<6; i++ ) {
         uint8_t line = 0;
 
-        if (i == 5) 
+        if (i == 5)
             line = 0x0;
-        else 
+        else
             line = font[(c*5)+i];
-            
-        for (int8_t j = 0; j<8; j++)
-        {
-            if (line & 0x1)
-            {
+
+        for (int8_t j = 0; j<8; j++) {
+            if (line & 0x1) {
 #if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT)
                 if (size == 1) // default size
                     drawPixel(x+i, y+j, color);
@@ -417,9 +393,7 @@
 #else
                 drawPixel(x+i, y+j, color);
 #endif
-            }
-            else if (bg != color)
-            {
+            } else if (bg != color) {
 #if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT)
                 if (size == 1) // default size
                     drawPixel(x+i, y+j, bg);
@@ -438,8 +412,7 @@
 {
     x %= 4;  // cant be higher than 3
     rotation = x;
-    switch (x)
-    {
+    switch (x) {
         case 0:
         case 2:
             _width = _rawWidth;
@@ -452,3 +425,25 @@
             break;
     }
 }
+
+void Adafruit_GFX::drawX11BitMap(const uint8_t bitmap[],uint16_t bitMapWidth,uint16_t bitMapSize,uint16_t posX,uint16_t posY)
+{
+    int16_t x1 = posX;
+    int16_t y1 = posY;
+    for(unsigned int i=0; i<bitMapSize; i++) {
+        uint8_t val = bitmap[i];
+        for(int j=0; j<8; j++) {
+            uint16_t pixColor;
+            if(val>>j & 0x01)
+                pixColor = 1;
+            else
+                pixColor = 0;
+            drawPixel(x1,y1, pixColor);
+            x1 = x1 + 1;
+            if(x1 == posX + bitMapWidth) {
+                x1 = posX;
+                y1 = y1 + 1;
+            }
+        }
+    }
+}
\ No newline at end of file