Jason Engelman / lpc4088_displaymodule_demo_sphere

Port of the LPC4088 QSB EA LCD Sphere Demo to the LPC4088 DM using the DMSupport lib. Dropping the QSB EALib

Dependencies:   DMBasicGUI DMSupport

Fork of lpc4088_displaymodule_hello_world by Embedded Artists

Just a quick hack to get something good looking on the LPC4088DM

/media/uploads/tecnosys/lpc4088dm.jpg

Graphics.cpp@5:d2f1c9185c5b, 2015-04-29 (annotated)

Committer:
tecnosys
Date:
Wed Apr 29 05:34:03 2015 +0000
Revision:
5:d2f1c9185c5b
initial port of EA LCD Demo to DMSupport libs

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tecnosys 5:d2f1c9185c5b 1
tecnosys 5:d2f1c9185c5b 2 #include "mbed.h"
tecnosys 5:d2f1c9185c5b 3 #include "Graphics.h"
tecnosys 5:d2f1c9185c5b 4
tecnosys 5:d2f1c9185c5b 5
tecnosys 5:d2f1c9185c5b 6 Graphics::Graphics(uint16_t *pFrmBuf, uint16_t dispWidth, uint16_t dispHeight)
tecnosys 5:d2f1c9185c5b 7 {
tecnosys 5:d2f1c9185c5b 8 this->windowX = dispWidth;
tecnosys 5:d2f1c9185c5b 9 this->windowY = dispHeight;
tecnosys 5:d2f1c9185c5b 10 this->pFrmBuf = pFrmBuf;
tecnosys 5:d2f1c9185c5b 11 }
tecnosys 5:d2f1c9185c5b 12
tecnosys 5:d2f1c9185c5b 13 void Graphics::setFrameBuffer( uint16_t *pFrmBuf )
tecnosys 5:d2f1c9185c5b 14 {
tecnosys 5:d2f1c9185c5b 15 this->pFrmBuf = pFrmBuf;
tecnosys 5:d2f1c9185c5b 16 }
tecnosys 5:d2f1c9185c5b 17
tecnosys 5:d2f1c9185c5b 18 int32_t Graphics::abs(int32_t v1) const
tecnosys 5:d2f1c9185c5b 19 {
tecnosys 5:d2f1c9185c5b 20 if (v1 > 0)
tecnosys 5:d2f1c9185c5b 21 return v1;
tecnosys 5:d2f1c9185c5b 22
tecnosys 5:d2f1c9185c5b 23 return -v1;
tecnosys 5:d2f1c9185c5b 24 }
tecnosys 5:d2f1c9185c5b 25
tecnosys 5:d2f1c9185c5b 26 /***********************************************************************
tecnosys 5:d2f1c9185c5b 27 *
tecnosys 5:d2f1c9185c5b 28 * Function: swim_put_line_raw
tecnosys 5:d2f1c9185c5b 29 *
tecnosys 5:d2f1c9185c5b 30 * Purpose: Draw a line on the physical display
tecnosys 5:d2f1c9185c5b 31 *
tecnosys 5:d2f1c9185c5b 32 * Processing:
tecnosys 5:d2f1c9185c5b 33 * See function.
tecnosys 5:d2f1c9185c5b 34 *
tecnosys 5:d2f1c9185c5b 35 * Parameters:
tecnosys 5:d2f1c9185c5b 36 * win : Window identifier
tecnosys 5:d2f1c9185c5b 37 * x1 : Physical X position of X line start
tecnosys 5:d2f1c9185c5b 38 * y1 : Physical Y position of Y line start
tecnosys 5:d2f1c9185c5b 39 * x2 : Physical X position of X line end
tecnosys 5:d2f1c9185c5b 40 * y2 : Physical Y position of Y line end
tecnosys 5:d2f1c9185c5b 41 *
tecnosys 5:d2f1c9185c5b 42 * Outputs: None
tecnosys 5:d2f1c9185c5b 43 *
tecnosys 5:d2f1c9185c5b 44 * Returns: Nothing
tecnosys 5:d2f1c9185c5b 45 *
tecnosys 5:d2f1c9185c5b 46 * Notes: None
tecnosys 5:d2f1c9185c5b 47 *
tecnosys 5:d2f1c9185c5b 48 **********************************************************************/
tecnosys 5:d2f1c9185c5b 49 void Graphics::put_line(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int16_t color)
tecnosys 5:d2f1c9185c5b 50 {
tecnosys 5:d2f1c9185c5b 51 int32_t e2, sx, sy, dx, dy, err;
tecnosys 5:d2f1c9185c5b 52
tecnosys 5:d2f1c9185c5b 53 /* calculate delta_x and delta_y */
tecnosys 5:d2f1c9185c5b 54 dx = abs(x2 - x1);
tecnosys 5:d2f1c9185c5b 55 dy = abs(y2 - y1);
tecnosys 5:d2f1c9185c5b 56
tecnosys 5:d2f1c9185c5b 57 /* set the direction for the step for both x and y, and
tecnosys 5:d2f1c9185c5b 58 initialize the error */
tecnosys 5:d2f1c9185c5b 59 if (x1 < x2)
tecnosys 5:d2f1c9185c5b 60 sx = 1;
tecnosys 5:d2f1c9185c5b 61 else
tecnosys 5:d2f1c9185c5b 62 sx = -1;
tecnosys 5:d2f1c9185c5b 63
tecnosys 5:d2f1c9185c5b 64 if (y1 < y2)
tecnosys 5:d2f1c9185c5b 65 sy = 1;
tecnosys 5:d2f1c9185c5b 66 else
tecnosys 5:d2f1c9185c5b 67 sy = -1;
tecnosys 5:d2f1c9185c5b 68
tecnosys 5:d2f1c9185c5b 69 err = dx - dy;
tecnosys 5:d2f1c9185c5b 70
tecnosys 5:d2f1c9185c5b 71 while (1)
tecnosys 5:d2f1c9185c5b 72 {
tecnosys 5:d2f1c9185c5b 73 if ((x1 >= 0) && (x1 < this->windowX) &&
tecnosys 5:d2f1c9185c5b 74 (y1 >= 0) && (y1 < this->windowY))
tecnosys 5:d2f1c9185c5b 75 this->pFrmBuf[x1 + (this->windowX*y1)] = color;
tecnosys 5:d2f1c9185c5b 76
tecnosys 5:d2f1c9185c5b 77 if ((x1 == x2) && (y1 == y2))
tecnosys 5:d2f1c9185c5b 78 return;
tecnosys 5:d2f1c9185c5b 79
tecnosys 5:d2f1c9185c5b 80 e2 = 2 * err;
tecnosys 5:d2f1c9185c5b 81 if (e2 > -dy)
tecnosys 5:d2f1c9185c5b 82 {
tecnosys 5:d2f1c9185c5b 83 err -= dy;
tecnosys 5:d2f1c9185c5b 84 x1 += sx;
tecnosys 5:d2f1c9185c5b 85 }
tecnosys 5:d2f1c9185c5b 86 if (e2 < dx)
tecnosys 5:d2f1c9185c5b 87 {
tecnosys 5:d2f1c9185c5b 88 err += dx;
tecnosys 5:d2f1c9185c5b 89 y1 += sy;
tecnosys 5:d2f1c9185c5b 90 }
tecnosys 5:d2f1c9185c5b 91 }
tecnosys 5:d2f1c9185c5b 92 }
tecnosys 5:d2f1c9185c5b 93
tecnosys 5:d2f1c9185c5b 94 /***********************************************************************
tecnosys 5:d2f1c9185c5b 95 *
tecnosys 5:d2f1c9185c5b 96 * Function: plot4points
tecnosys 5:d2f1c9185c5b 97 *
tecnosys 5:d2f1c9185c5b 98 * Purpose:
tecnosys 5:d2f1c9185c5b 99 *
tecnosys 5:d2f1c9185c5b 100 * Processing:
tecnosys 5:d2f1c9185c5b 101 * See function.
tecnosys 5:d2f1c9185c5b 102 *
tecnosys 5:d2f1c9185c5b 103 * Parameters:
tecnosys 5:d2f1c9185c5b 104 * win : Window identifier
tecnosys 5:d2f1c9185c5b 105 * cx :
tecnosys 5:d2f1c9185c5b 106 * cy :
tecnosys 5:d2f1c9185c5b 107 * x :
tecnosys 5:d2f1c9185c5b 108 * y :
tecnosys 5:d2f1c9185c5b 109 * Filled :
tecnosys 5:d2f1c9185c5b 110 *
tecnosys 5:d2f1c9185c5b 111 * Outputs: None
tecnosys 5:d2f1c9185c5b 112 *
tecnosys 5:d2f1c9185c5b 113 * Returns: Nothing
tecnosys 5:d2f1c9185c5b 114 *
tecnosys 5:d2f1c9185c5b 115 * Notes: None
tecnosys 5:d2f1c9185c5b 116 *
tecnosys 5:d2f1c9185c5b 117 **********************************************************************/
tecnosys 5:d2f1c9185c5b 118 void Graphics::plot4points( int32_t cx, int32_t cy, int32_t x, int32_t y, int16_t color, int32_t Filled )
tecnosys 5:d2f1c9185c5b 119 {
tecnosys 5:d2f1c9185c5b 120 int16_t x0, x1, y0, y1;
tecnosys 5:d2f1c9185c5b 121
tecnosys 5:d2f1c9185c5b 122 y0 = cy + y;
tecnosys 5:d2f1c9185c5b 123 y1 = cy - y;
tecnosys 5:d2f1c9185c5b 124 if( Filled )
tecnosys 5:d2f1c9185c5b 125 {
tecnosys 5:d2f1c9185c5b 126 for( x0=cx - x; x0<=cx + x; x0++ )
tecnosys 5:d2f1c9185c5b 127 {
tecnosys 5:d2f1c9185c5b 128 if ((x0>=0) && (x0<this->windowX) && (y0>=0) && (y0<this->windowY))
tecnosys 5:d2f1c9185c5b 129 this->pFrmBuf[x0 + (this->windowX*y0)] = color;
tecnosys 5:d2f1c9185c5b 130 if ((x0>=0) && (x0<this->windowX) && (y1>=0) && (y1<this->windowY))
tecnosys 5:d2f1c9185c5b 131 this->pFrmBuf[x0 + (this->windowX*y1)] = color;
tecnosys 5:d2f1c9185c5b 132 }
tecnosys 5:d2f1c9185c5b 133 }
tecnosys 5:d2f1c9185c5b 134 else
tecnosys 5:d2f1c9185c5b 135 {
tecnosys 5:d2f1c9185c5b 136 x0 = cx + x;
tecnosys 5:d2f1c9185c5b 137 x1 = cx - x;
tecnosys 5:d2f1c9185c5b 138 if ((x0>=0) && (x0<this->windowX) && (y0>=0) && (y0<this->windowY))
tecnosys 5:d2f1c9185c5b 139 this->pFrmBuf[x0 + (this->windowX*y0)] = color;
tecnosys 5:d2f1c9185c5b 140 if ((x != 0) &&
tecnosys 5:d2f1c9185c5b 141 (x1>=0) && (x1<this->windowX) && (y0>=0) && (y0<this->windowY))
tecnosys 5:d2f1c9185c5b 142 this->pFrmBuf[x1 + (this->windowX*y0)] = color;
tecnosys 5:d2f1c9185c5b 143 if ((y != 0) &&
tecnosys 5:d2f1c9185c5b 144 (x0>=0) && (x0<this->windowX) && (y1>=0) && (y1<this->windowY))
tecnosys 5:d2f1c9185c5b 145 this->pFrmBuf[x0 + (this->windowX*y1)] = color;
tecnosys 5:d2f1c9185c5b 146 if ((x != 0 && y != 0) &&
tecnosys 5:d2f1c9185c5b 147 (x1>=0) && (x1<this->windowX) && (y1>=0) && (y1<this->windowY))
tecnosys 5:d2f1c9185c5b 148 this->pFrmBuf[x1 + (this->windowX*y1)] = color;
tecnosys 5:d2f1c9185c5b 149 }
tecnosys 5:d2f1c9185c5b 150 }
tecnosys 5:d2f1c9185c5b 151
tecnosys 5:d2f1c9185c5b 152 /***********************************************************************
tecnosys 5:d2f1c9185c5b 153 *
tecnosys 5:d2f1c9185c5b 154 * Function: plot8points
tecnosys 5:d2f1c9185c5b 155 *
tecnosys 5:d2f1c9185c5b 156 * Purpose:
tecnosys 5:d2f1c9185c5b 157 *
tecnosys 5:d2f1c9185c5b 158 * Processing:
tecnosys 5:d2f1c9185c5b 159 * See function.
tecnosys 5:d2f1c9185c5b 160 *
tecnosys 5:d2f1c9185c5b 161 * Parameters:
tecnosys 5:d2f1c9185c5b 162 * win : Window identifier
tecnosys 5:d2f1c9185c5b 163 * cx :
tecnosys 5:d2f1c9185c5b 164 * cy :
tecnosys 5:d2f1c9185c5b 165 * x :
tecnosys 5:d2f1c9185c5b 166 * y :
tecnosys 5:d2f1c9185c5b 167 * Filled :
tecnosys 5:d2f1c9185c5b 168 *
tecnosys 5:d2f1c9185c5b 169 * Outputs: None
tecnosys 5:d2f1c9185c5b 170 *
tecnosys 5:d2f1c9185c5b 171 * Returns: Nothing
tecnosys 5:d2f1c9185c5b 172 *
tecnosys 5:d2f1c9185c5b 173 * Notes: None
tecnosys 5:d2f1c9185c5b 174 *
tecnosys 5:d2f1c9185c5b 175 **********************************************************************/
tecnosys 5:d2f1c9185c5b 176 void Graphics::plot8points( int32_t cx, int32_t cy, int32_t x, int32_t y, int16_t color, int32_t Filled )
tecnosys 5:d2f1c9185c5b 177 {
tecnosys 5:d2f1c9185c5b 178 plot4points( cx, cy, x, y, color, Filled );
tecnosys 5:d2f1c9185c5b 179 if (x != y)
tecnosys 5:d2f1c9185c5b 180 plot4points( cx, cy, y, x, color, Filled );
tecnosys 5:d2f1c9185c5b 181 }
tecnosys 5:d2f1c9185c5b 182
tecnosys 5:d2f1c9185c5b 183 /***********************************************************************
tecnosys 5:d2f1c9185c5b 184 *
tecnosys 5:d2f1c9185c5b 185 * Function: swim_put_circle
tecnosys 5:d2f1c9185c5b 186 *
tecnosys 5:d2f1c9185c5b 187 * Purpose:
tecnosys 5:d2f1c9185c5b 188 *
tecnosys 5:d2f1c9185c5b 189 * Processing:
tecnosys 5:d2f1c9185c5b 190 * See function.
tecnosys 5:d2f1c9185c5b 191 *
tecnosys 5:d2f1c9185c5b 192 * Parameters:
tecnosys 5:d2f1c9185c5b 193 * win : Window identifier
tecnosys 5:d2f1c9185c5b 194 * cx :
tecnosys 5:d2f1c9185c5b 195 * cy :
tecnosys 5:d2f1c9185c5b 196 * radius :
tecnosys 5:d2f1c9185c5b 197 * Filled :
tecnosys 5:d2f1c9185c5b 198 *
tecnosys 5:d2f1c9185c5b 199 * Outputs: None
tecnosys 5:d2f1c9185c5b 200 *
tecnosys 5:d2f1c9185c5b 201 * Returns: Nothing
tecnosys 5:d2f1c9185c5b 202 *
tecnosys 5:d2f1c9185c5b 203 * Notes: None
tecnosys 5:d2f1c9185c5b 204 *
tecnosys 5:d2f1c9185c5b 205 **********************************************************************/
tecnosys 5:d2f1c9185c5b 206 void Graphics::put_circle( int32_t cx, int32_t cy, int16_t color, int32_t radius, int32_t Filled )
tecnosys 5:d2f1c9185c5b 207 {
tecnosys 5:d2f1c9185c5b 208 int32_t Error = -radius;
tecnosys 5:d2f1c9185c5b 209 int16_t x = radius;
tecnosys 5:d2f1c9185c5b 210 int16_t y = 0;
tecnosys 5:d2f1c9185c5b 211
tecnosys 5:d2f1c9185c5b 212 while( x >= y )
tecnosys 5:d2f1c9185c5b 213 {
tecnosys 5:d2f1c9185c5b 214 plot8points( cx, cy, x, y, color, Filled );
tecnosys 5:d2f1c9185c5b 215
tecnosys 5:d2f1c9185c5b 216 Error += y;
tecnosys 5:d2f1c9185c5b 217 ++y;
tecnosys 5:d2f1c9185c5b 218 Error += y;
tecnosys 5:d2f1c9185c5b 219
tecnosys 5:d2f1c9185c5b 220 if( Error >= 0 )
tecnosys 5:d2f1c9185c5b 221 {
tecnosys 5:d2f1c9185c5b 222 --x;
tecnosys 5:d2f1c9185c5b 223 Error -= x;
tecnosys 5:d2f1c9185c5b 224 Error -= x;
tecnosys 5:d2f1c9185c5b 225 }
tecnosys 5:d2f1c9185c5b 226 }
tecnosys 5:d2f1c9185c5b 227 }
tecnosys 5:d2f1c9185c5b 228
tecnosys 5:d2f1c9185c5b 229
tecnosys 5:d2f1c9185c5b 230