From cb3003082e7e140850071eba914c0b4347bc3bf1 Mon Sep 17 00:00:00 2001
From: Fede85 <f.vanzati@gmail.com>
Date: Wed, 3 Jul 2013 16:25:45 +0200
Subject: TFT library to new format

---
 libraries/TFT/utility/Adafruit_GFX.cpp | 671 ---------------------------------
 1 file changed, 671 deletions(-)
 delete mode 100644 libraries/TFT/utility/Adafruit_GFX.cpp

(limited to 'libraries/TFT/utility/Adafruit_GFX.cpp')

diff --git a/libraries/TFT/utility/Adafruit_GFX.cpp b/libraries/TFT/utility/Adafruit_GFX.cpp
deleted file mode 100644
index a7a541c..0000000
--- a/libraries/TFT/utility/Adafruit_GFX.cpp
+++ /dev/null
@@ -1,671 +0,0 @@
-/******************************************************************
- This is the core graphics library for all our displays, providing
- basic graphics primitives (points, lines, circles, etc.). It needs
- to be paired with a hardware-specific library for each display
- device we carry (handling the lower-level functions).
- 
- 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.
- BSD license, check license.txt for more information.
- All text above must be included in any redistribution.
- ******************************************************************/
-
-#include "Adafruit_GFX.h"
-#include "glcdfont.c"
-#include <avr/pgmspace.h>
-
-void Adafruit_GFX::constructor(int16_t w, int16_t h) {
-  _width = WIDTH = w;
-  _height = HEIGHT = h;
-
-  rotation = 0;    
-  cursor_y = cursor_x = 0;
-  textsize = 1;
-  textcolor = textbgcolor = 0xFFFF;
-  wrap = true;
-  
-  strokeColor = 0;
-  useStroke = true;
-  fillColor = 0;
-  useFill = false;
-
-}
-
-
-// draw a circle outline
-void Adafruit_GFX::drawCircle(int16_t x0, int16_t y0, int16_t r, 
-			      uint16_t color) {
-  int16_t f = 1 - r;
-  int16_t ddF_x = 1;
-  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) {
-      y--;
-      ddF_y += 2;
-      f += ddF_y;
-    }
-    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);
-    drawPixel(x0 - x, y0 - y, color);
-    drawPixel(x0 + y, y0 + x, color);
-    drawPixel(x0 - y, y0 + x, color);
-    drawPixel(x0 + y, y0 - x, color);
-    drawPixel(x0 - y, y0 - x, color);
-    
-  }
-}
-
-void Adafruit_GFX::drawCircleHelper( int16_t x0, int16_t y0,
-               int16_t r, uint8_t cornername, uint16_t color) {
-  int16_t f     = 1 - r;
-  int16_t ddF_x = 1;
-  int16_t ddF_y = -2 * r;
-  int16_t x     = 0;
-  int16_t y     = r;
-
-  while (x<y) {
-    if (f >= 0) {
-      y--;
-      ddF_y += 2;
-      f     += ddF_y;
-    }
-    x++;
-    ddF_x += 2;
-    f     += ddF_x;
-    if (cornername & 0x4) {
-      drawPixel(x0 + x, y0 + y, color);
-      drawPixel(x0 + y, y0 + x, color);
-    } 
-    if (cornername & 0x2) {
-      drawPixel(x0 + x, y0 - y, color);
-      drawPixel(x0 + y, y0 - x, color);
-    }
-    if (cornername & 0x8) {
-      drawPixel(x0 - y, y0 + x, color);
-      drawPixel(x0 - x, y0 + y, color);
-    }
-    if (cornername & 0x1) {
-      drawPixel(x0 - y, y0 - x, color);
-      drawPixel(x0 - x, y0 - y, color);
-    }
-  }
-}
-
-void Adafruit_GFX::fillCircle(int16_t x0, int16_t y0, int16_t r, 
-			      uint16_t color) {
-  drawFastVLine(x0, y0-r, 2*r+1, color);
-  fillCircleHelper(x0, y0, r, 3, 0, color);
-}
-
-// used to do circles and roundrects!
-void Adafruit_GFX::fillCircleHelper(int16_t x0, int16_t y0, int16_t r,
-				    uint8_t cornername, int16_t delta, uint16_t color) {
-
-  int16_t f     = 1 - r;
-  int16_t ddF_x = 1;
-  int16_t ddF_y = -2 * r;
-  int16_t x     = 0;
-  int16_t y     = r;
-
-  while (x<y) {
-    if (f >= 0) {
-      y--;
-      ddF_y += 2;
-      f     += ddF_y;
-    }
-    x++;
-    ddF_x += 2;
-    f     += ddF_x;
-
-    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) {
-      drawFastVLine(x0-x, y0-y, 2*y+1+delta, color);
-      drawFastVLine(x0-y, y0-x, 2*x+1+delta, color);
-    }
-  }
-}
-
-// bresenham's algorithm - thx wikpedia
-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) {
-    swap(x0, y0);
-    swap(x1, y1);
-  }
-
-  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++) {
-    if (steep) {
-      drawPixel(y0, x0, color);
-    } else {
-      drawPixel(x0, y0, color);
-    }
-    err -= dy;
-    if (err < 0) {
-      y0 += ystep;
-      err += dx;
-    }
-  }
-}
-
-
-// draw a rectangle
-void Adafruit_GFX::drawRect(int16_t x, int16_t y, 
-			    int16_t w, int16_t h, 
-			    uint16_t color) {
-  drawFastHLine(x, y, w, color);
-  drawFastHLine(x, y+h-1, w, color);
-  drawFastVLine(x, y, h, color);
-  drawFastVLine(x+w-1, y, h, color);
-}
-
-void Adafruit_GFX::drawFastVLine(int16_t x, int16_t y, 
-				 int16_t h, uint16_t color) {
-  // stupidest version - update in subclasses if desired!
-  drawLine(x, y, x, y+h-1, color);
-}
-
-
-void Adafruit_GFX::drawFastHLine(int16_t x, int16_t y, 
-				 int16_t w, uint16_t color) {
-  // stupidest version - update in subclasses if desired!
-  drawLine(x, y, x+w-1, y, color);
-}
-
-void Adafruit_GFX::fillRect(int16_t x, int16_t y, int16_t w, int16_t h, 
-			    uint16_t color) {
-  // stupidest version - update in subclasses if desired!
-  for (int16_t i=x; i<x+w; i++) {
-    drawFastVLine(i, y, h, color); 
-  }
-}
-
-
-void Adafruit_GFX::fillScreen(uint16_t color) {
-  fillRect(0, 0, _width, _height, color);
-}
-
-// draw a rounded rectangle!
-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
-  // draw four corners
-  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);
-}
-
-// fill a rounded rectangle!
-void Adafruit_GFX::fillRoundRect(int16_t x, int16_t y, int16_t w,
-				 int16_t h, int16_t r, uint16_t color) {
-  // 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);
-}
-
-// draw a triangle!
-void Adafruit_GFX::drawTriangle(int16_t x0, int16_t y0,
-				int16_t x1, int16_t y1, 
-				int16_t x2, int16_t y2, uint16_t color) {
-  drawLine(x0, y0, x1, y1, color);
-  drawLine(x1, y1, x2, y2, color);
-  drawLine(x2, y2, x0, y0, color);
-}
-
-// fill a triangle!
-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);
-  }
-  if (y1 > y2) {
-    swap(y2, y1); swap(x2, x1);
-  }
-  if (y0 > y1) {
-    swap(y0, y1); swap(x0, x1);
-  }
-
-  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);
-    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;
-
-  // For upper part of triangle, find scanline crossings for segments
-  // 0-1 and 0-2.  If y1=y2 (flat-bottomed triangle), the scanline y1
-  // is included here (and second loop will be skipped, avoiding a /0
-  // error there), otherwise scanline y1 is skipped here and handled
-  // in the second loop...which also avoids a /0 error here if y0=y1
-  // (flat-topped triangle).
-  if(y1 == y2) last = y1;   // Include y1 scanline
-  else         last = y1-1; // Skip it
-
-  for(y=y0; y<=last; y++) {
-    a   = x0 + sa / dy01;
-    b   = x0 + sb / dy02;
-    sa += dx01;
-    sb += dx02;
-    /* longhand:
-    a = x0 + (x1 - x0) * (y - y0) / (y1 - y0);
-    b = x0 + (x2 - x0) * (y - y0) / (y2 - y0);
-    */
-    if(a > b) swap(a,b);
-    drawFastHLine(a, y, b-a+1, color);
-  }
-
-  // For lower part of triangle, find scanline crossings for segments
-  // 0-2 and 1-2.  This loop is skipped if y1=y2.
-  sa = dx12 * (y - y1);
-  sb = dx02 * (y - y0);
-  for(; y<=y2; y++) {
-    a   = x1 + sa / dy12;
-    b   = x0 + sb / dy02;
-    sa += dx12;
-    sb += dx02;
-    /* longhand:
-    a = x1 + (x2 - x1) * (y - y1) / (y2 - y1);
-    b = x0 + (x2 - x0) * (y - y0) / (y2 - y0);
-    */
-    if(a > b) swap(a,b);
-    drawFastHLine(a, y, b-a+1, color);
-  }
-}
-
-void Adafruit_GFX::drawBitmap(int16_t x, int16_t y, 
-			      const uint8_t *bitmap, int16_t w, int16_t h,
-			      uint16_t color) {
-
-  int16_t i, j, byteWidth = (w + 7) / 8;
-
-  for(j=0; j<h; j++) {
-    for(i=0; i<w; i++ ) {
-      if(pgm_read_byte(bitmap + j * byteWidth + i / 8) & (128 >> (i & 7))) {
-	drawPixel(x+i, y+j, color);
-      }
-    }
-  }
-}
-
-
-#if ARDUINO >= 100
-size_t Adafruit_GFX::write(uint8_t c) {
-#else
-void Adafruit_GFX::write(uint8_t c) {
-#endif
-  if (c == '\n') {
-    cursor_y += textsize*8;
-    cursor_x = 0;
-  } else if (c == '\r') {
-    // skip em
-  } else {
-    drawChar(cursor_x, cursor_y, c, textcolor, textbgcolor, textsize);
-    cursor_x += textsize*6;
-    if (wrap && (cursor_x > (_width - textsize*6))) {
-      cursor_y += textsize*8;
-      cursor_x = 0;
-    }
-  }
-#if ARDUINO >= 100
-  return 1;
-#endif
-}
-
-// draw a character
-void Adafruit_GFX::drawChar(int16_t x, int16_t y, unsigned char c,
-			    uint16_t color, uint16_t bg, uint8_t size) {
-
-  if((x >= _width)            || // Clip right
-     (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++ ) {
-    uint8_t line;
-    if (i == 5) 
-      line = 0x0;
-    else 
-      line = pgm_read_byte(font+(c*5)+i);
-    for (int8_t j = 0; j<8; j++) {
-      if (line & 0x1) {
-        if (size == 1) // default size
-          drawPixel(x+i, y+j, color);
-        else {  // big size
-          fillRect(x+(i*size), y+(j*size), size, size, color);
-        } 
-      } else if (bg != color) {
-        if (size == 1) // default size
-          drawPixel(x+i, y+j, bg);
-        else {  // big size
-          fillRect(x+i*size, y+j*size, size, size, bg);
-        } 	
-      }
-      line >>= 1;
-    }
-  }
-}
-
-void Adafruit_GFX::setCursor(int16_t x, int16_t y) {
-  cursor_x = x;
-  cursor_y = y;
-}
-
-
-void Adafruit_GFX::setTextSize(uint8_t s) {
-  textsize = (s > 0) ? s : 1;
-}
-
-
-void Adafruit_GFX::setTextColor(uint16_t c) {
-  textcolor = c;
-  textbgcolor = c; 
-  // for 'transparent' background, we'll set the bg 
-  // to the same as fg instead of using a flag
-}
-
- void Adafruit_GFX::setTextColor(uint16_t c, uint16_t b) {
-   textcolor = c;
-   textbgcolor = b; 
- }
-
-void Adafruit_GFX::setTextWrap(boolean w) {
-  wrap = w;
-}
-
-uint8_t Adafruit_GFX::getRotation(void) {
-  rotation %= 4;
-  return rotation;
-}
-
-void Adafruit_GFX::setRotation(uint8_t x) {
-  x %= 4;  // cant be higher than 3
-  rotation = x;
-  switch (x) {
-  case 0:
-  case 2:
-    _width = WIDTH;
-    _height = HEIGHT;
-    break;
-  case 1:
-  case 3:
-    _width = HEIGHT;
-    _height = WIDTH;
-    break;
-  }
-}
-
-void Adafruit_GFX::invertDisplay(boolean i) {
-  // do nothing, can be subclassed
-}
-
-
-// return the size of the display which depends on the rotation!
-int16_t Adafruit_GFX::width(void) { 
-  return _width; 
-}
- 
-int16_t Adafruit_GFX::height(void) { 
-  return _height; 
-}
-
-
-
-uint16_t Adafruit_GFX::newColor(uint8_t r, uint8_t g, uint8_t b) {
-  return ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3);
-}
-
-
-void Adafruit_GFX::background(uint8_t red, uint8_t green, uint8_t blue) {
-  background(newColor(red, green, blue));
-}
-
-void Adafruit_GFX::background(color c) {
-  fillScreen(c);
-}
-
-void Adafruit_GFX::stroke(uint8_t red, uint8_t green, uint8_t blue) {
-  stroke(newColor(red, green, blue));
-}
-
-void Adafruit_GFX::stroke(color c) {
-  useStroke = true;
-  strokeColor = c;
-  setTextColor(c);
-}
-
-void Adafruit_GFX::noStroke() {
-  useStroke = false;
-}
-
-void Adafruit_GFX::noFill() {
-  useFill = false;
-}
-
-void Adafruit_GFX::fill(uint8_t red, uint8_t green, uint8_t blue) {
-  fill(newColor(red, green, blue));
-}
-
-void Adafruit_GFX::fill(color c) {
-  useFill = true;
-  fillColor = c;
-}
-
-
-void Adafruit_GFX::text(const char * text, int16_t x, int16_t y) {
-  if (!useStroke)
-    return;
-  
-  setTextWrap(false);
-  setTextColor(strokeColor);
-  setCursor(x, y);
-  print(text);
-}
-
-void Adafruit_GFX::textWrap(const char * text, int16_t x, int16_t y) {
-  if (!useStroke)
-    return;
-  
-  setTextWrap(true);
-  setTextColor(strokeColor);
-  setCursor(x, y);
-  print(text);
-}
-
-
-void Adafruit_GFX::textSize(uint8_t size) {
-  setTextSize(size);
-}
-
-void Adafruit_GFX::point(int16_t x, int16_t y) {
-  if (!useStroke)
-    return;
-  
-  drawPixel(x, y, strokeColor);
-}
-
-void Adafruit_GFX::line(int16_t x1, int16_t y1, int16_t x2, int16_t y2) {
-  if (!useStroke)
-    return;
-  
-  if (x1 == x2) {
-    if (y1 < y2)
-      drawFastVLine(x1, y1, y2 - y1, strokeColor);
-    else
-      drawFastVLine(x1, y2, y1 - y2, strokeColor);      
-  }
-  else if (y1 == y2) {
-    if (x1 < x2)
-      drawFastHLine(x1, y1, x2 - x1, strokeColor);
-    else
-      drawFastHLine(x2, y1, x1 - x2, strokeColor);
-  }
-  else {
-    drawLine(x1, y1, x2, y2, strokeColor);
-  }
-}
-
-void Adafruit_GFX::rect(int16_t x, int16_t y, int16_t width, int16_t height) {
-  if (useFill) {
-    fillRect(x, y, width, height, fillColor);
-  }
-  if (useStroke) {
-    drawRect(x, y, width, height, strokeColor);
-  }
-}
-
-void Adafruit_GFX::rect(int16_t x, int16_t y, int16_t width, int16_t height, int16_t radius) {
-  if (radius == 0) {
-    rect(x, y, width, height);
-  }
-  if (useFill) {
-    fillRoundRect(x, y, width, height, radius, fillColor);
-  }
-  if (useStroke) {
-    drawRoundRect(x, y, width, height, radius, strokeColor);
-  }
-}
-
-void Adafruit_GFX::circle(int16_t x, int16_t y, int16_t r) {
-  if (r == 0)
-    return;
-  
-  if (useFill) {
-    fillCircle(x, y, r, fillColor);
-  }
-  if (useStroke) {
-    drawCircle(x, y, r, strokeColor);
-  }
-}
-
-void Adafruit_GFX::triangle(int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t x3, int16_t y3) {
-  if (useFill) {
-    fillTriangle(x1, y1, x2, y2, x3, y3, fillColor);
-  }
-  if (useStroke) {
-    drawTriangle(x1, y1, x2, y2, x3, y3, strokeColor);
-  }
-}
-
-#if defined(__SD_H__)  // Arduino SD library
-
-#define BUFFPIXEL 20
-
-void Adafruit_GFX::image(PImage & img, uint16_t x, uint16_t y) {
-  int      w, h, row, col;
-  uint8_t  r, g, b;
-  uint32_t pos = 0;
-  uint8_t  sdbuffer[3*BUFFPIXEL]; // pixel buffer (R+G+B per pixel)
-  uint8_t  buffidx = sizeof(sdbuffer); // Current position in sdbuffer
-
-  // Crop area to be loaded
-  w = img._bmpWidth;
-  h = img._bmpHeight;
-  if((x+w-1) >= width())  w = width()  - x;
-  if((y+h-1) >= height()) h = height() - y;
-
-  /*
-  // Set TFT address window to clipped image bounds
-  setAddrWindow(x, y, x+w-1, y+h-1);
-  */
-  
-  for (row=0; row<h; row++) { // For each scanline...
-    // Seek to start of scan line.  It might seem labor-
-    // intensive to be doing this on every line, but this
-    // method covers a lot of gritty details like cropping
-    // and scanline padding.  Also, the seek only takes
-    // place if the file position actually needs to change
-    // (avoids a lot of cluster math in SD library).
-    if(img._flip) // Bitmap is stored bottom-to-top order (normal BMP)
-      pos = img._bmpImageoffset + (img._bmpHeight - 1 - row) * img._rowSize;
-    else     // Bitmap is stored top-to-bottom
-      pos = img._bmpImageoffset + row * img._rowSize;
-    if(img._bmpFile.position() != pos) { // Need seek?
-      img._bmpFile.seek(pos);
-      buffidx = sizeof(sdbuffer); // Force buffer reload
-    }
-
-    for (col=0; col<w; col++) { // For each pixel...
-      // Time to read more pixel data?
-      if (buffidx >= sizeof(sdbuffer)) { // Indeed
-        img._bmpFile.read(sdbuffer, sizeof(sdbuffer));
-        buffidx = 0; // Set index to beginning
-      }
-
-      // Convert pixel from BMP to TFT format, push to display
-      b = sdbuffer[buffidx++];
-      g = sdbuffer[buffidx++];
-      r = sdbuffer[buffidx++];
-      //pushColor(tft.Color565(r,g,b));
-      drawPixel(x + col, y + row, newColor(r, g, b));
-      
-    } // end pixel
-  } // end scanline
-
-}
-
-#endif
\ No newline at end of file
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