EmbeddedArtists AB / Mbed 2 deprecated lpc4088_ebb_ptp

Production Test Program (PTP) for the LPC4088 Experiment Base Board

Dependencies:   EALib I2S LM75B SDFileSystem mbed

Graphics.cpp@9:eb6086159020, 2014-10-01 (annotated)

Committer:
embeddedartists
Date:
Wed Oct 01 11:16:38 2014 +0000
Revision:
9:eb6086159020
Parent:
1:47680ec5d783 
Updated used libraries

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 1:47680ec5d783 1
embeddedartists 1:47680ec5d783 2 #include "mbed.h"
embeddedartists 1:47680ec5d783 3 #include "Graphics.h"
embeddedartists 1:47680ec5d783 4
embeddedartists 1:47680ec5d783 5
embeddedartists 1:47680ec5d783 6 Graphics::Graphics(uint16_t *pFrmBuf, uint16_t dispWidth, uint16_t dispHeight)
embeddedartists 1:47680ec5d783 7 {
embeddedartists 1:47680ec5d783 8 this->windowX = dispWidth;
embeddedartists 1:47680ec5d783 9 this->windowY = dispHeight;
embeddedartists 1:47680ec5d783 10 this->pFrmBuf = pFrmBuf;
embeddedartists 1:47680ec5d783 11 }
embeddedartists 1:47680ec5d783 12
embeddedartists 1:47680ec5d783 13 void Graphics::setFrameBuffer( uint16_t *pFrmBuf )
embeddedartists 1:47680ec5d783 14 {
embeddedartists 1:47680ec5d783 15 this->pFrmBuf = pFrmBuf;
embeddedartists 1:47680ec5d783 16 }
embeddedartists 1:47680ec5d783 17
embeddedartists 1:47680ec5d783 18 int32_t Graphics::abs(int32_t v1) const
embeddedartists 1:47680ec5d783 19 {
embeddedartists 1:47680ec5d783 20 if (v1 > 0)
embeddedartists 1:47680ec5d783 21 return v1;
embeddedartists 1:47680ec5d783 22
embeddedartists 1:47680ec5d783 23 return -v1;
embeddedartists 1:47680ec5d783 24 }
embeddedartists 1:47680ec5d783 25
embeddedartists 1:47680ec5d783 26 /***********************************************************************
embeddedartists 1:47680ec5d783 27 *
embeddedartists 1:47680ec5d783 28 * Function: swim_put_line_raw
embeddedartists 1:47680ec5d783 29 *
embeddedartists 1:47680ec5d783 30 * Purpose: Draw a line on the physical display
embeddedartists 1:47680ec5d783 31 *
embeddedartists 1:47680ec5d783 32 * Processing:
embeddedartists 1:47680ec5d783 33 * See function.
embeddedartists 1:47680ec5d783 34 *
embeddedartists 1:47680ec5d783 35 * Parameters:
embeddedartists 1:47680ec5d783 36 * win : Window identifier
embeddedartists 1:47680ec5d783 37 * x1 : Physical X position of X line start
embeddedartists 1:47680ec5d783 38 * y1 : Physical Y position of Y line start
embeddedartists 1:47680ec5d783 39 * x2 : Physical X position of X line end
embeddedartists 1:47680ec5d783 40 * y2 : Physical Y position of Y line end
embeddedartists 1:47680ec5d783 41 *
embeddedartists 1:47680ec5d783 42 * Outputs: None
embeddedartists 1:47680ec5d783 43 *
embeddedartists 1:47680ec5d783 44 * Returns: Nothing
embeddedartists 1:47680ec5d783 45 *
embeddedartists 1:47680ec5d783 46 * Notes: None
embeddedartists 1:47680ec5d783 47 *
embeddedartists 1:47680ec5d783 48 **********************************************************************/
embeddedartists 1:47680ec5d783 49 void Graphics::put_line(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int16_t color)
embeddedartists 1:47680ec5d783 50 {
embeddedartists 1:47680ec5d783 51 int32_t e2, sx, sy, dx, dy, err;
embeddedartists 1:47680ec5d783 52
embeddedartists 1:47680ec5d783 53 /* calculate delta_x and delta_y */
embeddedartists 1:47680ec5d783 54 dx = abs(x2 - x1);
embeddedartists 1:47680ec5d783 55 dy = abs(y2 - y1);
embeddedartists 1:47680ec5d783 56
embeddedartists 1:47680ec5d783 57 /* set the direction for the step for both x and y, and
embeddedartists 1:47680ec5d783 58 initialize the error */
embeddedartists 1:47680ec5d783 59 if (x1 < x2)
embeddedartists 1:47680ec5d783 60 sx = 1;
embeddedartists 1:47680ec5d783 61 else
embeddedartists 1:47680ec5d783 62 sx = -1;
embeddedartists 1:47680ec5d783 63
embeddedartists 1:47680ec5d783 64 if (y1 < y2)
embeddedartists 1:47680ec5d783 65 sy = 1;
embeddedartists 1:47680ec5d783 66 else
embeddedartists 1:47680ec5d783 67 sy = -1;
embeddedartists 1:47680ec5d783 68
embeddedartists 1:47680ec5d783 69 err = dx - dy;
embeddedartists 1:47680ec5d783 70
embeddedartists 1:47680ec5d783 71 while (1)
embeddedartists 1:47680ec5d783 72 {
embeddedartists 1:47680ec5d783 73 if ((x1 >= 0) && (x1 < this->windowX) &&
embeddedartists 1:47680ec5d783 74 (y1 >= 0) && (y1 < this->windowY))
embeddedartists 1:47680ec5d783 75 this->pFrmBuf[x1 + (this->windowX*y1)] = color;
embeddedartists 1:47680ec5d783 76
embeddedartists 1:47680ec5d783 77 if ((x1 == x2) && (y1 == y2))
embeddedartists 1:47680ec5d783 78 return;
embeddedartists 1:47680ec5d783 79
embeddedartists 1:47680ec5d783 80 e2 = 2 * err;
embeddedartists 1:47680ec5d783 81 if (e2 > -dy)
embeddedartists 1:47680ec5d783 82 {
embeddedartists 1:47680ec5d783 83 err -= dy;
embeddedartists 1:47680ec5d783 84 x1 += sx;
embeddedartists 1:47680ec5d783 85 }
embeddedartists 1:47680ec5d783 86 if (e2 < dx)
embeddedartists 1:47680ec5d783 87 {
embeddedartists 1:47680ec5d783 88 err += dx;
embeddedartists 1:47680ec5d783 89 y1 += sy;
embeddedartists 1:47680ec5d783 90 }
embeddedartists 1:47680ec5d783 91 }
embeddedartists 1:47680ec5d783 92 }
embeddedartists 1:47680ec5d783 93
embeddedartists 1:47680ec5d783 94 /***********************************************************************
embeddedartists 1:47680ec5d783 95 *
embeddedartists 1:47680ec5d783 96 * Function: plot4points
embeddedartists 1:47680ec5d783 97 *
embeddedartists 1:47680ec5d783 98 * Purpose:
embeddedartists 1:47680ec5d783 99 *
embeddedartists 1:47680ec5d783 100 * Processing:
embeddedartists 1:47680ec5d783 101 * See function.
embeddedartists 1:47680ec5d783 102 *
embeddedartists 1:47680ec5d783 103 * Parameters:
embeddedartists 1:47680ec5d783 104 * win : Window identifier
embeddedartists 1:47680ec5d783 105 * cx :
embeddedartists 1:47680ec5d783 106 * cy :
embeddedartists 1:47680ec5d783 107 * x :
embeddedartists 1:47680ec5d783 108 * y :
embeddedartists 1:47680ec5d783 109 * Filled :
embeddedartists 1:47680ec5d783 110 *
embeddedartists 1:47680ec5d783 111 * Outputs: None
embeddedartists 1:47680ec5d783 112 *
embeddedartists 1:47680ec5d783 113 * Returns: Nothing
embeddedartists 1:47680ec5d783 114 *
embeddedartists 1:47680ec5d783 115 * Notes: None
embeddedartists 1:47680ec5d783 116 *
embeddedartists 1:47680ec5d783 117 **********************************************************************/
embeddedartists 1:47680ec5d783 118 void Graphics::plot4points( int32_t cx, int32_t cy, int32_t x, int32_t y, int16_t color, int32_t Filled )
embeddedartists 1:47680ec5d783 119 {
embeddedartists 1:47680ec5d783 120 int16_t x0, x1, y0, y1;
embeddedartists 1:47680ec5d783 121
embeddedartists 1:47680ec5d783 122 y0 = cy + y;
embeddedartists 1:47680ec5d783 123 y1 = cy - y;
embeddedartists 1:47680ec5d783 124 if( Filled )
embeddedartists 1:47680ec5d783 125 {
embeddedartists 1:47680ec5d783 126 for( x0=cx - x; x0<=cx + x; x0++ )
embeddedartists 1:47680ec5d783 127 {
embeddedartists 1:47680ec5d783 128 if ((x0>=0) && (x0<this->windowX) && (y0>=0) && (y0<this->windowY))
embeddedartists 1:47680ec5d783 129 this->pFrmBuf[x0 + (this->windowX*y0)] = color;
embeddedartists 1:47680ec5d783 130 if ((x0>=0) && (x0<this->windowX) && (y1>=0) && (y1<this->windowY))
embeddedartists 1:47680ec5d783 131 this->pFrmBuf[x0 + (this->windowX*y1)] = color;
embeddedartists 1:47680ec5d783 132 }
embeddedartists 1:47680ec5d783 133 }
embeddedartists 1:47680ec5d783 134 else
embeddedartists 1:47680ec5d783 135 {
embeddedartists 1:47680ec5d783 136 x0 = cx + x;
embeddedartists 1:47680ec5d783 137 x1 = cx - x;
embeddedartists 1:47680ec5d783 138 if ((x0>=0) && (x0<this->windowX) && (y0>=0) && (y0<this->windowY))
embeddedartists 1:47680ec5d783 139 this->pFrmBuf[x0 + (this->windowX*y0)] = color;
embeddedartists 1:47680ec5d783 140 if ((x != 0) &&
embeddedartists 1:47680ec5d783 141 (x1>=0) && (x1<this->windowX) && (y0>=0) && (y0<this->windowY))
embeddedartists 1:47680ec5d783 142 this->pFrmBuf[x1 + (this->windowX*y0)] = color;
embeddedartists 1:47680ec5d783 143 if ((y != 0) &&
embeddedartists 1:47680ec5d783 144 (x0>=0) && (x0<this->windowX) && (y1>=0) && (y1<this->windowY))
embeddedartists 1:47680ec5d783 145 this->pFrmBuf[x0 + (this->windowX*y1)] = color;
embeddedartists 1:47680ec5d783 146 if ((x != 0 && y != 0) &&
embeddedartists 1:47680ec5d783 147 (x1>=0) && (x1<this->windowX) && (y1>=0) && (y1<this->windowY))
embeddedartists 1:47680ec5d783 148 this->pFrmBuf[x1 + (this->windowX*y1)] = color;
embeddedartists 1:47680ec5d783 149 }
embeddedartists 1:47680ec5d783 150 }
embeddedartists 1:47680ec5d783 151
embeddedartists 1:47680ec5d783 152 /***********************************************************************
embeddedartists 1:47680ec5d783 153 *
embeddedartists 1:47680ec5d783 154 * Function: plot8points
embeddedartists 1:47680ec5d783 155 *
embeddedartists 1:47680ec5d783 156 * Purpose:
embeddedartists 1:47680ec5d783 157 *
embeddedartists 1:47680ec5d783 158 * Processing:
embeddedartists 1:47680ec5d783 159 * See function.
embeddedartists 1:47680ec5d783 160 *
embeddedartists 1:47680ec5d783 161 * Parameters:
embeddedartists 1:47680ec5d783 162 * win : Window identifier
embeddedartists 1:47680ec5d783 163 * cx :
embeddedartists 1:47680ec5d783 164 * cy :
embeddedartists 1:47680ec5d783 165 * x :
embeddedartists 1:47680ec5d783 166 * y :
embeddedartists 1:47680ec5d783 167 * Filled :
embeddedartists 1:47680ec5d783 168 *
embeddedartists 1:47680ec5d783 169 * Outputs: None
embeddedartists 1:47680ec5d783 170 *
embeddedartists 1:47680ec5d783 171 * Returns: Nothing
embeddedartists 1:47680ec5d783 172 *
embeddedartists 1:47680ec5d783 173 * Notes: None
embeddedartists 1:47680ec5d783 174 *
embeddedartists 1:47680ec5d783 175 **********************************************************************/
embeddedartists 1:47680ec5d783 176 void Graphics::plot8points( int32_t cx, int32_t cy, int32_t x, int32_t y, int16_t color, int32_t Filled )
embeddedartists 1:47680ec5d783 177 {
embeddedartists 1:47680ec5d783 178 plot4points( cx, cy, x, y, color, Filled );
embeddedartists 1:47680ec5d783 179 if (x != y)
embeddedartists 1:47680ec5d783 180 plot4points( cx, cy, y, x, color, Filled );
embeddedartists 1:47680ec5d783 181 }
embeddedartists 1:47680ec5d783 182
embeddedartists 1:47680ec5d783 183 /***********************************************************************
embeddedartists 1:47680ec5d783 184 *
embeddedartists 1:47680ec5d783 185 * Function: swim_put_circle
embeddedartists 1:47680ec5d783 186 *
embeddedartists 1:47680ec5d783 187 * Purpose:
embeddedartists 1:47680ec5d783 188 *
embeddedartists 1:47680ec5d783 189 * Processing:
embeddedartists 1:47680ec5d783 190 * See function.
embeddedartists 1:47680ec5d783 191 *
embeddedartists 1:47680ec5d783 192 * Parameters:
embeddedartists 1:47680ec5d783 193 * win : Window identifier
embeddedartists 1:47680ec5d783 194 * cx :
embeddedartists 1:47680ec5d783 195 * cy :
embeddedartists 1:47680ec5d783 196 * radius :
embeddedartists 1:47680ec5d783 197 * Filled :
embeddedartists 1:47680ec5d783 198 *
embeddedartists 1:47680ec5d783 199 * Outputs: None
embeddedartists 1:47680ec5d783 200 *
embeddedartists 1:47680ec5d783 201 * Returns: Nothing
embeddedartists 1:47680ec5d783 202 *
embeddedartists 1:47680ec5d783 203 * Notes: None
embeddedartists 1:47680ec5d783 204 *
embeddedartists 1:47680ec5d783 205 **********************************************************************/
embeddedartists 1:47680ec5d783 206 void Graphics::put_circle( int32_t cx, int32_t cy, int16_t color, int32_t radius, int32_t Filled )
embeddedartists 1:47680ec5d783 207 {
embeddedartists 1:47680ec5d783 208 int32_t Error = -radius;
embeddedartists 1:47680ec5d783 209 int16_t x = radius;
embeddedartists 1:47680ec5d783 210 int16_t y = 0;
embeddedartists 1:47680ec5d783 211
embeddedartists 1:47680ec5d783 212 while( x >= y )
embeddedartists 1:47680ec5d783 213 {
embeddedartists 1:47680ec5d783 214 plot8points( cx, cy, x, y, color, Filled );
embeddedartists 1:47680ec5d783 215
embeddedartists 1:47680ec5d783 216 Error += y;
embeddedartists 1:47680ec5d783 217 ++y;
embeddedartists 1:47680ec5d783 218 Error += y;
embeddedartists 1:47680ec5d783 219
embeddedartists 1:47680ec5d783 220 if( Error >= 0 )
embeddedartists 1:47680ec5d783 221 {
embeddedartists 1:47680ec5d783 222 --x;
embeddedartists 1:47680ec5d783 223 Error -= x;
embeddedartists 1:47680ec5d783 224 Error -= x;
embeddedartists 1:47680ec5d783 225 }
embeddedartists 1:47680ec5d783 226 }
embeddedartists 1:47680ec5d783 227 }
embeddedartists 1:47680ec5d783 228
embeddedartists 1:47680ec5d783 229 void Graphics::put_dot( int32_t cx, int32_t cy, int16_t color )
embeddedartists 1:47680ec5d783 230 {
embeddedartists 1:47680ec5d783 231 int size = 1;
embeddedartists 1:47680ec5d783 232 for (int y1 = cy - size; y1 <= (cy + size); y1++) {
embeddedartists 1:47680ec5d783 233 for (int x1 = cx - size; x1 <= (cx + size); x1++) {
embeddedartists 1:47680ec5d783 234 if ((x1 >= 0) && (x1 < this->windowX) && (y1 >= 0) && (y1 < this->windowY)) {
embeddedartists 1:47680ec5d783 235 this->pFrmBuf[x1 + (this->windowX*y1)] = color;
embeddedartists 1:47680ec5d783 236 }
embeddedartists 1:47680ec5d783 237 }
embeddedartists 1:47680ec5d783 238 }
embeddedartists 1:47680ec5d783 239 }
embeddedartists 1:47680ec5d783 240
embeddedartists 1:47680ec5d783 241
embeddedartists 1:47680ec5d783 242