mehmet gok
Utility library for HSP SPo2 HR demo including user interface, board support adn accelerometer.
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GraphicsDisplay.cpp
00001 /* mbed GraphicsDisplay Display Library Base Class 00002 * Copyright (c) 2007-2009 sford 00003 * Released under the MIT License: http://mbed.org/license/mit 00004 */ 00005 00006 #include "../screen/GraphicsDisplay.h" 00007 00008 #define incx() x++, dxt += d2xt, t += dxt 00009 #define incy() y--, dyt += d2yt, t += dyt 00010 00011 const unsigned char FONT8x8[97][8] = { 00012 {0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00}, // columns, rows, num_bytes_per_char 00013 {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, // space 0x20 00014 {0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00}, // ! 00015 {0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00}, // " 00016 {0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00}, // # 00017 {0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00}, // $ 00018 {0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00}, // % 00019 {0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00}, // & 00020 {0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00}, // ' 00021 {0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00}, // ( 00022 {0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00}, // ) 00023 {0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00}, // * 00024 {0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00}, // + 00025 {0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30}, // , 00026 {0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00}, // - 00027 {0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00}, // . 00028 {0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00}, // / (forward slash) 00029 {0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00}, // 0 0x30 00030 {0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00}, // 1 00031 {0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00}, // 2 00032 {0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00}, // 3 00033 {0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00}, // 4 00034 {0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00}, // 5 00035 {0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00}, // 6 00036 {0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00}, // 7 00037 {0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00}, // 8 00038 {0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00}, // 9 00039 {0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00}, // : 00040 {0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30}, // ; 00041 {0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00}, // < 00042 {0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00}, // = 00043 {0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00}, // > 00044 {0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00}, // ? 00045 {0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00}, // @ 0x40 00046 {0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00}, // A 00047 {0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00}, // B 00048 {0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00}, // C 00049 {0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00}, // D 00050 {0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00}, // E 00051 {0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00}, // F 00052 {0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00}, // G 00053 {0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00}, // H 00054 {0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00}, // I 00055 {0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00}, // J 00056 {0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00}, // K 00057 {0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00}, // L 00058 {0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00}, // M 00059 {0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00}, // N 00060 {0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00}, // O 00061 {0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00}, // P 0x50 00062 {0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00}, // Q 00063 {0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00}, // R 00064 {0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00}, // S 00065 {0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00}, // T 00066 {0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00}, // U 00067 {0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00}, // V 00068 {0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00}, // W 00069 {0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00}, // X 00070 {0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00}, // Y 00071 {0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00}, // Z 00072 {0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00}, // [ 00073 {0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00}, // \ (back slash) 00074 {0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00}, // ] 00075 {0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00}, // ^ 00076 {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF}, // _ 00077 {0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00}, // ` 0x60 00078 {0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00}, // a 00079 {0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00}, // b 00080 {0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00}, // c 00081 {0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00}, // d 00082 {0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00}, // e 00083 {0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00}, // f 00084 {0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C}, // g 00085 {0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00}, // h 00086 {0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00}, // i 00087 {0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C}, // j 00088 {0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00}, // k 00089 {0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00}, // l 00090 {0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00}, // m 00091 {0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00}, // n 00092 {0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00}, // o 00093 {0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78}, // p 00094 {0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F}, // q 00095 {0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00}, // r 00096 {0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00}, // s 00097 {0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00}, // t 00098 {0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00}, // u 00099 {0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00}, // v 00100 {0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00}, // w 00101 {0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00}, // x 00102 {0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C}, // y 00103 {0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00}, // z 00104 {0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00}, // { 00105 {0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00}, // | 00106 {0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00}, // } 00107 {0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00}, // ~ 00108 {0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00}}; // DEL 00109 00110 GraphicsDisplay::GraphicsDisplay(const char *name):TextDisplay(name) { 00111 foreground((uint16_t)Black); 00112 background((uint16_t)White); 00113 // current pixel location 00114 _x = 0; 00115 _y = 0; 00116 // window settings 00117 _x1 = 0; 00118 _x2 = 0; 00119 _y1 = 0; 00120 _y2 = 0; 00121 } 00122 00123 void GraphicsDisplay::character(int column, int row, int value) { 00124 if(externalfont){ // send external font 00125 unsigned int hor,vert,offset,bpl,j,i,b; 00126 const unsigned char* sign; 00127 unsigned char z,w; 00128 if ((value < 31) || (value > 127)) return; // test char range 00129 // read font parameter from start of array 00130 offset = font[0]; // bytes / char 00131 hor = font[1]; // get hor size of font 00132 vert = font[2]; // get vert size of font 00133 bpl = font[3]; // bytes per line 00134 if (char_x + hor > width()) { 00135 char_x = 0; 00136 char_y = char_y + vert; 00137 if (char_y >= height() - font[2]) { 00138 char_y = 0; 00139 } 00140 } 00141 window(char_x, char_y,hor,vert); // char box 00142 sign = &font[((value -32) * offset) + 4]; // start of char bitmap 00143 w = sign[0]; // width of actual char 00144 for (j=0; j<vert; j++) { // vert line 00145 for (i=0; i<hor; i++) { // horz line 00146 z = sign[bpl * i + ((j & 0xF8) >> 3)+1]; 00147 b = 1 << (j & 0x07); 00148 if (( z & b ) == 0x00) { 00149 putp(_foreground); 00150 } 00151 else { 00152 putp(_background); 00153 } 00154 } 00155 } 00156 if ((w + 2) < hor) { // x offset to next char 00157 char_x += w + 2; 00158 } 00159 else char_x += hor; 00160 } 00161 // send default font 00162 else { 00163 blitbit(column * 8, row * 8, 8, 8, (char*)&(FONT8x8[value - 0x1F][0])); 00164 } 00165 } 00166 00167 void GraphicsDisplay::window(int x, int y, int w, int h) { 00168 // current pixel location 00169 _x = x; 00170 _y = y; 00171 // window settings 00172 _x1 = x; 00173 _x2 = x + w - 1; 00174 _y1 = y; 00175 _y2 = y + h - 1; 00176 } 00177 00178 void GraphicsDisplay::putp(int colour) { 00179 // put pixel at current pixel location 00180 pixel(_x, _y, colour); 00181 // update pixel location based on window settings 00182 _x++; 00183 if(_x > _x2) { 00184 _x = _x1; 00185 _y++; 00186 if(_y > _y2) { 00187 _y = _y1; 00188 } 00189 } 00190 } 00191 00192 void GraphicsDisplay::rect(int x0, int y0, int x1, int y1, int color) { 00193 if (x1 > x0) hline(x0,x1,y0,color); 00194 else hline(x1,x0,y0,color); 00195 if (y1 > y0) vline(x0,y0,y1,color); 00196 else vline(x0,y1,y0,color); 00197 if (x1 > x0) hline(x0,x1,y1,color); 00198 else hline(x1,x0,y1,color); 00199 if (y1 > y0) vline(x1,y0,y1,color); 00200 else vline(x1,y1,y0,color); 00201 return; 00202 } 00203 00204 void GraphicsDisplay::fillrect(int x0, int y0, int w, int h, int colour) { 00205 unsigned long int index=0; 00206 if (w < 0) { 00207 x0 = x0 + w; 00208 w = -w; 00209 } 00210 if (h < 0) { 00211 y0 = y0 + h; 00212 h = -h; 00213 } 00214 window(x0,y0,w,h); 00215 int num = h*w; 00216 for( index = 0; index<num; index++ ) { 00217 putp(colour); 00218 } 00219 return; 00220 } 00221 00222 void GraphicsDisplay::fill(int x, int y, int w, int h, int colour) { 00223 fillrect(x, y, w, h, colour); 00224 } 00225 00226 void GraphicsDisplay::circle(int x, int y, int r,int colour){ 00227 int ce = -r; 00228 int cx = r; 00229 int cy = 0; 00230 while(cx >= cy){ 00231 pixel(x+cx,y+cy,colour); 00232 pixel(x-cx,y-cy,colour); 00233 pixel(x-cx,y+cy,colour); 00234 pixel(x+cx,y-cy,colour); 00235 pixel(x+cy,y+cx,colour); 00236 pixel(x-cy,y+cx,colour); 00237 pixel(x-cy,y-cx,colour); 00238 pixel(x+cy,y-cx,colour); 00239 ce += 2*cy++ + 1; 00240 if(ce >= 0){ 00241 ce -= 2*cx---1; 00242 } 00243 00244 } 00245 00246 } 00247 00248 // To draw circle set a and b to the same values 00249 void GraphicsDisplay::ellipse(int xc, int yc, int a, int b, unsigned int colour) 00250 { 00251 /* e(x,y) = b^2*x^2 + a^2*y^2 - a^2*b^2 */ 00252 int x = 0, y = b; 00253 long a2 = (long)a*a, b2 = (long)b*b; 00254 long crit1 = -(a2/4 + a%2 + b2); 00255 long crit2 = -(b2/4 + b%2 + a2); 00256 long crit3 = -(b2/4 + b%2); 00257 long t = -a2*y; // e(x+1/2,y-1/2) - (a^2+b^2)/4 00258 long dxt = 2*b2*x, dyt = -2*a2*y; 00259 long d2xt = 2*b2, d2yt = 2*a2; 00260 00261 while (y>=0 && x<=a) { 00262 pixel(xc+x, yc+y, colour); 00263 if (x!=0 || y!=0) 00264 pixel(xc-x, yc-y, colour); 00265 if (x!=0 && y!=0) { 00266 pixel(xc+x, yc-y, colour); 00267 pixel(xc-x, yc+y, colour); 00268 } 00269 if (t + b2*x <= crit1 || // e(x+1,y-1/2) <= 0 00270 t + a2*y <= crit3) // e(x+1/2,y) <= 0 00271 incx(); 00272 else if (t - a2*y > crit2) // e(x+1/2,y-1) > 0 00273 incy(); 00274 else { 00275 incx(); 00276 incy(); 00277 } 00278 } 00279 } 00280 // To draw circle set a and b to the same values 00281 void GraphicsDisplay::fillellipse(int xc, int yc, int a, int b, unsigned int colour) 00282 { 00283 /* e(x,y) = b^2*x^2 + a^2*y^2 - a^2*b^2 */ 00284 int x = 0, y = b; 00285 int rx = x, ry = y; 00286 unsigned int width = 1; 00287 unsigned int height = 1; 00288 long a2 = (long)a*a, b2 = (long)b*b; 00289 long crit1 = -(a2/4 + a%2 + b2); 00290 long crit2 = -(b2/4 + b%2 + a2); 00291 long crit3 = -(b2/4 + b%2); 00292 long t = -a2*y; // e(x+1/2,y-1/2) - (a^2+b^2)/4 00293 long dxt = 2*b2*x, dyt = -2*a2*y; 00294 long d2xt = 2*b2, d2yt = 2*a2; 00295 if (b == 0) { 00296 fillrect(xc-a, yc, 2*a+1, 1, colour); 00297 return; 00298 } 00299 while (y>=0 && x<=a) { 00300 if (t + b2*x <= crit1 || // e(x+1,y-1/2) <= 0 00301 t + a2*y <= crit3) { // e(x+1/2,y) <= 0 00302 if (height == 1) 00303 ; // draw nothing 00304 else if (ry*2+1 > (height-1)*2) { 00305 fillrect(xc-rx, yc-ry, width, height-1, colour); 00306 fillrect(xc-rx, yc+ry+1, width, 1-height, colour); 00307 ry -= height-1; 00308 height = 1; 00309 } else { 00310 fillrect(xc-rx, yc-ry, width, ry*2+1, colour); 00311 ry -= ry; 00312 height = 1; 00313 } 00314 incx(); 00315 rx++; 00316 width += 2; 00317 } else if (t - a2*y > crit2) { // e(x+1/2,y-1) > 0 00318 incy(); 00319 height++; 00320 } else { 00321 if (ry*2+1 > height*2) { 00322 fillrect(xc-rx, yc-ry, width, height, colour); 00323 fillrect(xc-rx, yc+ry+1, width, -height, colour); 00324 } else { 00325 fillrect(xc-rx, yc-ry, width, ry*2+1, colour); 00326 } 00327 incx(); 00328 incy(); 00329 rx++; 00330 width += 2; 00331 ry -= height; 00332 height = 1; 00333 } 00334 } 00335 if (ry > height) { 00336 fillrect(xc-rx, yc-ry, width, height, colour); 00337 fillrect(xc-rx, yc+ry+1, width, -height, colour); 00338 } else { 00339 fillrect(xc-rx, yc-ry, width, ry*2+1, colour); 00340 } 00341 } 00342 00343 00344 void GraphicsDisplay::line(int x0, int y0, int x1, int y1, int colour) { 00345 //window(x0, y, w, h); 00346 int dx = 0, dy = 0; 00347 int dx_sym = 0, dy_sym = 0; 00348 int dx_x2 = 0, dy_x2 = 0; 00349 int di = 0; 00350 dx = x1-x0; 00351 dy = y1-y0; 00352 00353 if (dx == 0) { /* vertical line */ 00354 if (y1 > y0) vline(x0,y0,y1,colour); 00355 else vline(x0,y1,y0,colour); 00356 return; 00357 } 00358 if (dx > 0) { 00359 dx_sym = 1; 00360 } else { 00361 dx_sym = -1; 00362 } 00363 if (dy == 0) { /* horizontal line */ 00364 if (x1 > x0) hline(x0,x1,y0,colour); 00365 else hline(x1,x0,y0,colour); 00366 return; 00367 } 00368 if (dy > 0) { 00369 dy_sym = 1; 00370 } else { 00371 dy_sym = -1; 00372 } 00373 dx = dx_sym*dx; 00374 dy = dy_sym*dy; 00375 dx_x2 = dx*2; 00376 dy_x2 = dy*2; 00377 if (dx >= dy) { 00378 di = dy_x2 - dx; 00379 while (x0 != x1) { 00380 00381 pixel(x0, y0, colour); 00382 x0 += dx_sym; 00383 if (di<0) { 00384 di += dy_x2; 00385 } else { 00386 di += dy_x2 - dx_x2; 00387 y0 += dy_sym; 00388 } 00389 } 00390 pixel(x0, y0, colour); 00391 } else { 00392 di = dx_x2 - dy; 00393 while (y0 != y1) { 00394 pixel(x0, y0, colour); 00395 y0 += dy_sym; 00396 if (di < 0) { 00397 di += dx_x2; 00398 } else { 00399 di += dx_x2 - dy_x2; 00400 x0 += dx_sym; 00401 } 00402 } 00403 pixel(x0, y0, colour); 00404 } 00405 return; 00406 } 00407 00408 void GraphicsDisplay::hline(int x0, int x1, int y, int colour) { 00409 int w; 00410 w = x1 - x0 + 1; 00411 window(x0,y,w,1); 00412 for (int x=0; x<w; x++) { 00413 putp(colour); 00414 } 00415 return; 00416 } 00417 00418 void GraphicsDisplay::vline(int x, int y0, int y1, int colour) { 00419 int h; 00420 h = y1 - y0 + 1; 00421 window(x,y0,1,h); 00422 for (int y=0; y<h; y++) { 00423 putp(colour); 00424 } 00425 return; 00426 } 00427 00428 void GraphicsDisplay::cls() { 00429 fill(0, 0, width(), height(), _background); 00430 } 00431 00432 void GraphicsDisplay::blit(int x, int y, int w, int h, const int *colour) { 00433 window(x, y, w, h); 00434 for(int i=0; i<w*h; i++) { 00435 putp(colour[i]); 00436 } 00437 } 00438 00439 void GraphicsDisplay::blitbit(int x, int y, int w, int h, const char* colour) { 00440 window(x, y, w, h); 00441 for(int i = 0; i < w*h; i++) { 00442 char byte = colour[i >> 3]; 00443 int offset = i & 0x7; 00444 int c = ((byte << (offset)) & 0x80) ? _foreground : _background; 00445 putp(c); 00446 } 00447 } 00448 00449 int GraphicsDisplay::columns() { 00450 return width() / 8; 00451 } 00452 00453 int GraphicsDisplay::rows() { 00454 return height() / 8; 00455 } 00456
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