Satyan Raj / UniGraphic

test

Fork of UniGraphic by GraphicsDisplay

Graphics/GraphicsDisplay.cpp@23:70790fa6e0ca, 2015-09-21 (annotated)

Committer:
satyanraj
Date:
Mon Sep 21 15:48:50 2015 +0000
Revision:
23:70790fa6e0ca
Parent:
22:f9a37f22b9cb 
test commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Geremia 4:12ba0ecc2c1f 1 /* mbed UniGraphic library - Graphics class
Geremia 4:12ba0ecc2c1f 2 * Copyright (c) 2015 Giuliano Dianda
Geremia 4:12ba0ecc2c1f 3 * Released under the MIT License: http://mbed.org/license/mit
Geremia 4:12ba0ecc2c1f 4 *
Geremia 4:12ba0ecc2c1f 5 * Derived work of:
Geremia 4:12ba0ecc2c1f 6 *
Geremia 4:12ba0ecc2c1f 7 * mbed GraphicsDisplay Display Library Base Class
Geremia 4:12ba0ecc2c1f 8 * Copyright (c) 2007-2009 sford
Geremia 4:12ba0ecc2c1f 9 * Released under the MIT License: http://mbed.org/license/mit
Geremia 4:12ba0ecc2c1f 10 *
Geremia 4:12ba0ecc2c1f 11 * mbed library for 240*320 pixel display TFT based on ILI9341 LCD Controller
Geremia 3:48f3282c2be8 12 * Copyright (c) 2013 Peter Drescher - DC2PD
Geremia 3:48f3282c2be8 13 *
Geremia 3:48f3282c2be8 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Geremia 3:48f3282c2be8 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Geremia 3:48f3282c2be8 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Geremia 3:48f3282c2be8 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Geremia 3:48f3282c2be8 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Geremia 3:48f3282c2be8 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Geremia 3:48f3282c2be8 20 * THE SOFTWARE.
Geremia 3:48f3282c2be8 21 */
Geremia 3:48f3282c2be8 22
Geremia 4:12ba0ecc2c1f 23
Geremia 0:75ec1b3cde17 24
Geremia 0:75ec1b3cde17 25 #include "GraphicsDisplay.h"
Geremia 0:75ec1b3cde17 26 #define SWAP(a, b) { a ^= b; b ^= a; a ^= b; }
Geremia 0:75ec1b3cde17 27 GraphicsDisplay::GraphicsDisplay(const char *name):TextDisplay(name) {
Geremia 8:26757296c79d 28 set_font((unsigned char*)Terminal6x8,32,127,true);
Geremia 2:713844a55c4e 29 // foreground(0xFFFF);
Geremia 2:713844a55c4e 30 // background(0x0000);
Geremia 0:75ec1b3cde17 31 char_x = 0;
Geremia 0:75ec1b3cde17 32 char_y = 0;
Geremia 0:75ec1b3cde17 33 oriented_width=0;
Geremia 0:75ec1b3cde17 34 oriented_height=0;
Geremia 22:f9a37f22b9cb 35 fontzoomver=1;
Geremia 22:f9a37f22b9cb 36 fontzoomhor=1;
Geremia 0:75ec1b3cde17 37 auto_up = true;
Geremia 0:75ec1b3cde17 38 }
Geremia 0:75ec1b3cde17 39
Geremia 0:75ec1b3cde17 40 void GraphicsDisplay::WindowMax (void)
Geremia 0:75ec1b3cde17 41 {
Geremia 0:75ec1b3cde17 42 window (0, 0, oriented_width, oriented_height);
Geremia 0:75ec1b3cde17 43 }
Geremia 0:75ec1b3cde17 44 void GraphicsDisplay::set_width(int width)
Geremia 0:75ec1b3cde17 45 {
Geremia 0:75ec1b3cde17 46 oriented_width = width;
Geremia 0:75ec1b3cde17 47 }
Geremia 0:75ec1b3cde17 48 void GraphicsDisplay::set_height(int height)
Geremia 0:75ec1b3cde17 49 {
Geremia 0:75ec1b3cde17 50 oriented_height = height;
Geremia 0:75ec1b3cde17 51 }
Geremia 0:75ec1b3cde17 52 int GraphicsDisplay::width()
Geremia 0:75ec1b3cde17 53 {
Geremia 0:75ec1b3cde17 54 return oriented_width;
Geremia 0:75ec1b3cde17 55 }
Geremia 0:75ec1b3cde17 56 int GraphicsDisplay::height()
Geremia 0:75ec1b3cde17 57 {
Geremia 0:75ec1b3cde17 58 return oriented_height;
Geremia 0:75ec1b3cde17 59 }
Geremia 0:75ec1b3cde17 60 void GraphicsDisplay::circle(int x0, int y0, int r, unsigned short color)
Geremia 0:75ec1b3cde17 61 {
Geremia 0:75ec1b3cde17 62 int x = -r, y = 0, err = 2-2*r, e2;
Geremia 0:75ec1b3cde17 63 do {
Geremia 0:75ec1b3cde17 64 pixel(x0-x, y0+y,color);
Geremia 0:75ec1b3cde17 65 pixel(x0+x, y0+y,color);
Geremia 0:75ec1b3cde17 66 pixel(x0+x, y0-y,color);
Geremia 0:75ec1b3cde17 67 pixel(x0-x, y0-y,color);
Geremia 0:75ec1b3cde17 68 e2 = err;
Geremia 0:75ec1b3cde17 69 if (e2 <= y) {
Geremia 0:75ec1b3cde17 70 err += ++y*2+1;
Geremia 0:75ec1b3cde17 71 if (-x == y && e2 <= x) e2 = 0;
Geremia 0:75ec1b3cde17 72 }
Geremia 0:75ec1b3cde17 73 if (e2 > x) err += ++x*2+1;
Geremia 0:75ec1b3cde17 74 } while (x <= 0);
Geremia 0:75ec1b3cde17 75 if(auto_up) copy_to_lcd();
Geremia 0:75ec1b3cde17 76 }
Geremia 0:75ec1b3cde17 77 void GraphicsDisplay::fillcircle(int x0, int y0, int r, unsigned short color)
Geremia 0:75ec1b3cde17 78 {
Geremia 0:75ec1b3cde17 79 bool old_auto_up=auto_up;
Geremia 0:75ec1b3cde17 80 if(auto_up) auto_up=false;
Geremia 0:75ec1b3cde17 81 int x = -r, y = 0, err = 2-2*r, e2;
Geremia 0:75ec1b3cde17 82 do {
Geremia 0:75ec1b3cde17 83 vline(x0-x, y0-y, y0+y, color);
Geremia 0:75ec1b3cde17 84 vline(x0+x, y0-y, y0+y, color);
Geremia 0:75ec1b3cde17 85 e2 = err;
Geremia 0:75ec1b3cde17 86 if (e2 <= y) {
Geremia 0:75ec1b3cde17 87 err += ++y*2+1;
Geremia 0:75ec1b3cde17 88 if (-x == y && e2 <= x) e2 = 0;
Geremia 0:75ec1b3cde17 89 }
Geremia 0:75ec1b3cde17 90 if (e2 > x) err += ++x*2+1;
Geremia 0:75ec1b3cde17 91 } while (x <= 0);
Geremia 0:75ec1b3cde17 92 if(old_auto_up)
Geremia 0:75ec1b3cde17 93 {
Geremia 0:75ec1b3cde17 94 auto_up=true;
Geremia 0:75ec1b3cde17 95 copy_to_lcd();
Geremia 0:75ec1b3cde17 96 }
Geremia 0:75ec1b3cde17 97 }
Geremia 0:75ec1b3cde17 98 void GraphicsDisplay::hline(int x0, int x1, int y, unsigned short color)
Geremia 0:75ec1b3cde17 99 {
Geremia 2:713844a55c4e 100 int len = x1 - x0 + 1;
Geremia 0:75ec1b3cde17 101 window(x0,y,len,1);
Geremia 2:713844a55c4e 102 // for (int j=0; j<len; j++) window_pushpixel(color);
Geremia 2:713844a55c4e 103 window_pushpixel(color, len);
Geremia 0:75ec1b3cde17 104 if(auto_up) copy_to_lcd();
Geremia 0:75ec1b3cde17 105 return;
Geremia 0:75ec1b3cde17 106 }
Geremia 0:75ec1b3cde17 107 void GraphicsDisplay::vline(int x, int y0, int y1, unsigned short color)
Geremia 0:75ec1b3cde17 108 {
Geremia 2:713844a55c4e 109 int len = y1 - y0 + 1;
Geremia 0:75ec1b3cde17 110 window(x,y0,1,len);
Geremia 2:713844a55c4e 111 // for (int y=0; y<len; y++) window_pushpixel(color);
Geremia 2:713844a55c4e 112 window_pushpixel(color, len);
Geremia 0:75ec1b3cde17 113 if(auto_up) copy_to_lcd();
Geremia 0:75ec1b3cde17 114 return;
Geremia 0:75ec1b3cde17 115 }
Geremia 0:75ec1b3cde17 116 void GraphicsDisplay::line(int x0, int y0, int x1, int y1, unsigned short color)
Geremia 0:75ec1b3cde17 117 {
Geremia 0:75ec1b3cde17 118 //WindowMax();
Geremia 0:75ec1b3cde17 119 int dx = 0, dy = 0;
Geremia 0:75ec1b3cde17 120 int dx_sym = 0, dy_sym = 0;
Geremia 0:75ec1b3cde17 121 int dx_x2 = 0, dy_x2 = 0;
Geremia 0:75ec1b3cde17 122 int di = 0;
Geremia 0:75ec1b3cde17 123
Geremia 0:75ec1b3cde17 124 dx = x1-x0;
Geremia 0:75ec1b3cde17 125 dy = y1-y0;
Geremia 0:75ec1b3cde17 126
Geremia 0:75ec1b3cde17 127 if (dx == 0) { /* vertical line */
Geremia 0:75ec1b3cde17 128 if (y1 < y0) SWAP(y0,y1);
Geremia 0:75ec1b3cde17 129 vline(x0,y0,y1,color);
Geremia 0:75ec1b3cde17 130 return;
Geremia 0:75ec1b3cde17 131 }
Geremia 0:75ec1b3cde17 132
Geremia 0:75ec1b3cde17 133 if (dx > 0) {
Geremia 0:75ec1b3cde17 134 dx_sym = 1;
Geremia 0:75ec1b3cde17 135 } else {
Geremia 0:75ec1b3cde17 136 dx_sym = -1;
Geremia 0:75ec1b3cde17 137 }
Geremia 0:75ec1b3cde17 138 if (dy == 0) { /* horizontal line */
Geremia 0:75ec1b3cde17 139 if (x1 < x0) SWAP(x1,x0);
Geremia 0:75ec1b3cde17 140 hline(x0,x1,y0,color);
Geremia 0:75ec1b3cde17 141 return;
Geremia 0:75ec1b3cde17 142 }
Geremia 0:75ec1b3cde17 143
Geremia 0:75ec1b3cde17 144 if (dy > 0) {
Geremia 0:75ec1b3cde17 145 dy_sym = 1;
Geremia 0:75ec1b3cde17 146 } else {
Geremia 0:75ec1b3cde17 147 dy_sym = -1;
Geremia 0:75ec1b3cde17 148 }
Geremia 0:75ec1b3cde17 149
Geremia 0:75ec1b3cde17 150 dx = dx_sym*dx;
Geremia 0:75ec1b3cde17 151 dy = dy_sym*dy;
Geremia 0:75ec1b3cde17 152
Geremia 0:75ec1b3cde17 153 dx_x2 = dx*2;
Geremia 0:75ec1b3cde17 154 dy_x2 = dy*2;
Geremia 0:75ec1b3cde17 155
Geremia 0:75ec1b3cde17 156 if (dx >= dy) {
Geremia 0:75ec1b3cde17 157 di = dy_x2 - dx;
Geremia 0:75ec1b3cde17 158 while (x0 != x1) {
Geremia 0:75ec1b3cde17 159
Geremia 0:75ec1b3cde17 160 pixel(x0, y0, color);
Geremia 0:75ec1b3cde17 161 x0 += dx_sym;
Geremia 0:75ec1b3cde17 162 if (di<0) {
Geremia 0:75ec1b3cde17 163 di += dy_x2;
Geremia 0:75ec1b3cde17 164 } else {
Geremia 0:75ec1b3cde17 165 di += dy_x2 - dx_x2;
Geremia 0:75ec1b3cde17 166 y0 += dy_sym;
Geremia 0:75ec1b3cde17 167 }
Geremia 0:75ec1b3cde17 168 }
Geremia 0:75ec1b3cde17 169 pixel(x0, y0, color);
Geremia 0:75ec1b3cde17 170 } else {
Geremia 0:75ec1b3cde17 171 di = dx_x2 - dy;
Geremia 0:75ec1b3cde17 172 while (y0 != y1) {
Geremia 0:75ec1b3cde17 173 pixel(x0, y0, color);
Geremia 0:75ec1b3cde17 174 y0 += dy_sym;
Geremia 0:75ec1b3cde17 175 if (di < 0) {
Geremia 0:75ec1b3cde17 176 di += dx_x2;
Geremia 0:75ec1b3cde17 177 } else {
Geremia 0:75ec1b3cde17 178 di += dx_x2 - dy_x2;
Geremia 0:75ec1b3cde17 179 x0 += dx_sym;
Geremia 0:75ec1b3cde17 180 }
Geremia 0:75ec1b3cde17 181 }
Geremia 0:75ec1b3cde17 182 pixel(x0, y0, color);
Geremia 0:75ec1b3cde17 183 }
Geremia 0:75ec1b3cde17 184 if(auto_up) copy_to_lcd();
Geremia 0:75ec1b3cde17 185 return;
Geremia 0:75ec1b3cde17 186 }
Geremia 0:75ec1b3cde17 187 void GraphicsDisplay::rect(int x0, int y0, int x1, int y1, unsigned short color)
Geremia 0:75ec1b3cde17 188 {
Geremia 0:75ec1b3cde17 189 bool old_auto_up=auto_up;
Geremia 0:75ec1b3cde17 190 if(auto_up) auto_up=0;
Geremia 0:75ec1b3cde17 191 if (x1 > x0) hline(x0,x1,y0,color);
Geremia 0:75ec1b3cde17 192 else hline(x1,x0,y0,color);
Geremia 0:75ec1b3cde17 193
Geremia 0:75ec1b3cde17 194 if (y1 > y0) vline(x0,y0,y1,color);
Geremia 0:75ec1b3cde17 195 else vline(x0,y1,y0,color);
Geremia 0:75ec1b3cde17 196
Geremia 0:75ec1b3cde17 197 if (x1 > x0) hline(x0,x1,y1,color);
Geremia 0:75ec1b3cde17 198 else hline(x1,x0,y1,color);
Geremia 0:75ec1b3cde17 199
Geremia 0:75ec1b3cde17 200 if (y1 > y0) vline(x1,y0,y1,color);
Geremia 0:75ec1b3cde17 201 else vline(x1,y1,y0,color);
Geremia 0:75ec1b3cde17 202 if(old_auto_up)
Geremia 0:75ec1b3cde17 203 {
Geremia 0:75ec1b3cde17 204 auto_up=true;
Geremia 0:75ec1b3cde17 205 copy_to_lcd();
Geremia 0:75ec1b3cde17 206 }
Geremia 0:75ec1b3cde17 207 return;
Geremia 0:75ec1b3cde17 208 }
Geremia 0:75ec1b3cde17 209 void GraphicsDisplay::fillrect(int x0, int y0, int x1, int y1, unsigned short color)
Geremia 0:75ec1b3cde17 210 {
Geremia 0:75ec1b3cde17 211 if(x0 > x1) SWAP(x0,x1);
Geremia 0:75ec1b3cde17 212 if(y0 > y1) SWAP(y0,y1);
Geremia 0:75ec1b3cde17 213
Geremia 0:75ec1b3cde17 214 int h = y1 - y0 + 1;
Geremia 0:75ec1b3cde17 215 int w = x1 - x0 + 1;
Geremia 0:75ec1b3cde17 216 unsigned int pixels = h * w;
Geremia 0:75ec1b3cde17 217 window(x0,y0,w,h);
Geremia 2:713844a55c4e 218 // for (unsigned int p=0; p<pixels; p++) window_pushpixel(color);
Geremia 2:713844a55c4e 219 window_pushpixel(color, pixels);
Geremia 0:75ec1b3cde17 220 if(auto_up) copy_to_lcd();
Geremia 0:75ec1b3cde17 221 return;
Geremia 0:75ec1b3cde17 222 }
Geremia 0:75ec1b3cde17 223 void GraphicsDisplay::locate(int x, int y)
Geremia 0:75ec1b3cde17 224 {
Geremia 0:75ec1b3cde17 225 char_x = x;
Geremia 0:75ec1b3cde17 226 char_y = y;
Geremia 0:75ec1b3cde17 227 }
Geremia 0:75ec1b3cde17 228 int GraphicsDisplay::columns()
Geremia 0:75ec1b3cde17 229 {
Geremia 0:75ec1b3cde17 230 return oriented_width / fonthor;
Geremia 0:75ec1b3cde17 231 }
Geremia 0:75ec1b3cde17 232 int GraphicsDisplay::rows()
Geremia 0:75ec1b3cde17 233 {
Geremia 0:75ec1b3cde17 234 return oriented_height / fontvert;
Geremia 0:75ec1b3cde17 235 }
Geremia 3:48f3282c2be8 236 void GraphicsDisplay::set_font(unsigned char* f, unsigned char firstascii, unsigned char lastascii, bool proportional)
Geremia 0:75ec1b3cde17 237 {
Geremia 0:75ec1b3cde17 238 font = f;
Geremia 0:75ec1b3cde17 239 // read font parameter from start of array
Geremia 0:75ec1b3cde17 240 //fontoffset = font[0]; // bytes / char
Geremia 0:75ec1b3cde17 241 fonthor = font[1]; // get hor size of font
Geremia 0:75ec1b3cde17 242 fontvert = font[2]; // get vert size of font
Geremia 0:75ec1b3cde17 243 //fontbpl = font[3]; // bytes per line
Geremia 0:75ec1b3cde17 244 fontbpl = (fontvert+7)>>3; //bytes per line, rounded up to multiple of 8
Geremia 0:75ec1b3cde17 245 fontoffset = (fonthor*fontbpl)+1;
Geremia 0:75ec1b3cde17 246 firstch = firstascii; // first ascii code present in font array (usually 32)
Geremia 0:75ec1b3cde17 247 lastch = lastascii; // last ascii code present in font array (usually 127)
Geremia 3:48f3282c2be8 248 fontprop=proportional;
Geremia 22:f9a37f22b9cb 249 set_font_zoom(1,1);
Geremia 22:f9a37f22b9cb 250 }
Geremia 22:f9a37f22b9cb 251 void GraphicsDisplay::set_font_zoom(unsigned char x_mul, unsigned char y_mul)
Geremia 22:f9a37f22b9cb 252 {
Geremia 22:f9a37f22b9cb 253 fontzoomhor=((x_mul==0) ? 1:x_mul);
Geremia 22:f9a37f22b9cb 254 fontzoomver=((y_mul==0) ? 1:y_mul);
Geremia 0:75ec1b3cde17 255 }
Geremia 0:75ec1b3cde17 256 int GraphicsDisplay::_putc(int value)
Geremia 0:75ec1b3cde17 257 {
Geremia 0:75ec1b3cde17 258 if (value == '\n') { // new line
Geremia 0:75ec1b3cde17 259 char_x = 0;
Geremia 22:f9a37f22b9cb 260 char_y = char_y + fontvert*fontzoomver;
Geremia 22:f9a37f22b9cb 261 if (char_y >= oriented_height - fontvert*fontzoomver) {
Geremia 0:75ec1b3cde17 262 char_y = 0;
Geremia 0:75ec1b3cde17 263 }
Geremia 0:75ec1b3cde17 264 } else {
Geremia 0:75ec1b3cde17 265 character(char_x, char_y, value);
Geremia 0:75ec1b3cde17 266 if(auto_up) copy_to_lcd();
Geremia 0:75ec1b3cde17 267 }
Geremia 0:75ec1b3cde17 268 return value;
Geremia 0:75ec1b3cde17 269 }
Geremia 0:75ec1b3cde17 270 void GraphicsDisplay::character(int x, int y, int c)
Geremia 0:75ec1b3cde17 271 {
Geremia 0:75ec1b3cde17 272 char_x=x;
Geremia 0:75ec1b3cde17 273 char_y=y;
Geremia 0:75ec1b3cde17 274 int j,i,b;
Geremia 0:75ec1b3cde17 275 unsigned char* zeichen;
Geremia 22:f9a37f22b9cb 276 unsigned char z,w,v;
Geremia 0:75ec1b3cde17 277
Geremia 0:75ec1b3cde17 278 if ((c < firstch) || (c > lastch)) return; // test char range
Geremia 0:75ec1b3cde17 279
Geremia 0:75ec1b3cde17 280 /* // read font parameter from start of array
Geremia 0:75ec1b3cde17 281 offset = font[0]; // bytes / char
Geremia 0:75ec1b3cde17 282 hor = font[1]; // get hor size of font
Geremia 0:75ec1b3cde17 283 vert = font[2]; // get vert size of font
Geremia 0:75ec1b3cde17 284 bpl = font[3]; // bytes per line
Geremia 0:75ec1b3cde17 285 */
Geremia 22:f9a37f22b9cb 286 if (char_x + fonthor*fontzoomhor > oriented_width) {
Geremia 0:75ec1b3cde17 287 char_x = 0;
Geremia 22:f9a37f22b9cb 288 char_y = char_y + fontvert*fontzoomver;
Geremia 22:f9a37f22b9cb 289 if (char_y > oriented_height - fontvert*fontzoomver) {
Geremia 0:75ec1b3cde17 290 char_y = 0;
Geremia 0:75ec1b3cde17 291 }
Geremia 0:75ec1b3cde17 292 }
Geremia 22:f9a37f22b9cb 293 window(char_x, char_y,fonthor*fontzoomhor,fontvert*fontzoomver); // char box
Geremia 0:75ec1b3cde17 294 zeichen = &font[((c-firstch) * fontoffset) + 4]; // start of char bitmap
Geremia 0:75ec1b3cde17 295 w = zeichen[0]; // width of actual char
Geremia 0:75ec1b3cde17 296 // construct the char into the buffer
Geremia 0:75ec1b3cde17 297 for (j=0; j<fontvert; j++) { // vert line
Geremia 22:f9a37f22b9cb 298 for (v=0; v<fontzoomver; v++) { // repeat horiz line for vertical zooming
Geremia 0:75ec1b3cde17 299 for (i=0; i<fonthor; i++) { // horz line
Geremia 0:75ec1b3cde17 300 z = zeichen[(fontbpl * i) + ((j & 0xF8) >> 3)+1];
Geremia 0:75ec1b3cde17 301 b = 1 << (j & 0x07);
Geremia 0:75ec1b3cde17 302 if (( z & b ) == 0x00) {
Geremia 0:75ec1b3cde17 303 // pixel(char_x+i,char_y+j,0);
Geremia 22:f9a37f22b9cb 304 window_pushpixel(_background, fontzoomhor); //(color, howmany)
Geremia 0:75ec1b3cde17 305 } else {
Geremia 0:75ec1b3cde17 306 // pixel(char_x+i,char_y+j,1);
Geremia 22:f9a37f22b9cb 307 window_pushpixel(_foreground, fontzoomhor);
Geremia 0:75ec1b3cde17 308 }
Geremia 0:75ec1b3cde17 309 }
Geremia 22:f9a37f22b9cb 310 } //for each zoomed vert
Geremia 0:75ec1b3cde17 311 }
Geremia 8:26757296c79d 312 if(fontprop)
Geremia 8:26757296c79d 313 {
Geremia 22:f9a37f22b9cb 314 if((w+1)<fonthor) char_x += (w*fontzoomhor)+1; // put at least 1 blank after variable-width characters, except characters that occupy whole fonthor space like "_"
Geremia 22:f9a37f22b9cb 315 else char_x += fonthor*fontzoomhor;
Geremia 8:26757296c79d 316 }
Geremia 22:f9a37f22b9cb 317 else char_x += fonthor*fontzoomhor; // fixed width
Geremia 0:75ec1b3cde17 318 }
Geremia 0:75ec1b3cde17 319 void GraphicsDisplay::Bitmap_BW(Bitmap_s bm, int x, int y)
Geremia 0:75ec1b3cde17 320 {
Geremia 0:75ec1b3cde17 321 int h,v,b;
Geremia 0:75ec1b3cde17 322 // int cropX;
Geremia 0:75ec1b3cde17 323 char d;
Geremia 0:75ec1b3cde17 324 if(x<0) x=0;
Geremia 0:75ec1b3cde17 325 if(y<0) y=0;
Geremia 0:75ec1b3cde17 326 int cropX = (x+bm.xSize)-oriented_width;
Geremia 0:75ec1b3cde17 327 if(cropX<0) cropX=0;
Geremia 0:75ec1b3cde17 328 window(x, y, bm.xSize-cropX, bm.ySize);
Geremia 0:75ec1b3cde17 329 for(v=0; v < bm.ySize; v++) { // lines
Geremia 0:75ec1b3cde17 330 if((v + y) >= oriented_height) break; // no need to crop Y
Geremia 0:75ec1b3cde17 331 for(h=0; h < bm.xSize; h++) { // pixel
Geremia 0:75ec1b3cde17 332 if((h + x) >= oriented_width) break;
Geremia 0:75ec1b3cde17 333 d = bm.data[bm.Byte_in_Line * v + ((h & 0xF8) >> 3)];
Geremia 0:75ec1b3cde17 334 b = 0x80 >> (h & 0x07);
Geremia 0:75ec1b3cde17 335 if((d & b) == 0) {
Geremia 0:75ec1b3cde17 336 window_pushpixel(_background);
Geremia 0:75ec1b3cde17 337 } else {
Geremia 0:75ec1b3cde17 338 window_pushpixel(_foreground);
Geremia 0:75ec1b3cde17 339 }
Geremia 0:75ec1b3cde17 340 }
Geremia 0:75ec1b3cde17 341 }
Geremia 0:75ec1b3cde17 342 if(auto_up) copy_to_lcd();
Geremia 0:75ec1b3cde17 343 }
Geremia 0:75ec1b3cde17 344 void GraphicsDisplay::Bitmap(int x, int y, int w, int h,unsigned char *bitmap)
Geremia 0:75ec1b3cde17 345 {
Geremia 16:244f9563ebc1 346 int j;
Geremia 16:244f9563ebc1 347 unsigned char padd;
Geremia 0:75ec1b3cde17 348 unsigned short *bitmap_ptr = (unsigned short *)bitmap;
Geremia 16:244f9563ebc1 349
Geremia 16:244f9563ebc1 350 padd = w%2; // the lines are padded to multiple of 4 bytes in a bitmap
Geremia 0:75ec1b3cde17 351 if(x<0) x=0;
Geremia 16:244f9563ebc1 352 else if(x>=oriented_width) return;
Geremia 0:75ec1b3cde17 353 if(y<0) y=0;
Geremia 16:244f9563ebc1 354 else if(y>=oriented_height) return;
Geremia 0:75ec1b3cde17 355 int cropX = (x+w)-oriented_width;
Geremia 0:75ec1b3cde17 356 if(cropX<0) cropX=0;
Geremia 16:244f9563ebc1 357 int cropY = (y+h)-oriented_height;
Geremia 16:244f9563ebc1 358 if(cropY<0) cropY=0;
Geremia 16:244f9563ebc1 359 window(x, y, w-cropX, h-cropY);
Geremia 16:244f9563ebc1 360 bitmap_ptr += ((h - 1)* (w + padd)); // begin of last line in array (first line of image)(standard bmp scan direction is left->right bottom->top)
Geremia 16:244f9563ebc1 361 for (j = 0; j < h-cropY; j++) { //Lines
Geremia 16:244f9563ebc1 362 window_pushpixelbuf(bitmap_ptr, w-cropX);
Geremia 16:244f9563ebc1 363 bitmap_ptr -= w+padd;
Geremia 0:75ec1b3cde17 364 }
Geremia 0:75ec1b3cde17 365 if(auto_up) copy_to_lcd();
Geremia 0:75ec1b3cde17 366 }
Geremia 16:244f9563ebc1 367
Geremia 0:75ec1b3cde17 368 // local filesystem is not implemented in kinetis board , but you can add a SD card
Geremia 16:244f9563ebc1 369 // fixme this whole functions needs testing and speedup
Geremia 0:75ec1b3cde17 370 int GraphicsDisplay::BMP_16(int x, int y, const char *Name_BMP)
Geremia 0:75ec1b3cde17 371 {
Geremia 0:75ec1b3cde17 372
Geremia 0:75ec1b3cde17 373 #define OffsetPixelWidth 18
Geremia 0:75ec1b3cde17 374 #define OffsetPixelHeigh 22
Geremia 0:75ec1b3cde17 375 #define OffsetFileSize 34
Geremia 0:75ec1b3cde17 376 #define OffsetPixData 10
Geremia 0:75ec1b3cde17 377 #define OffsetBPP 28
Geremia 0:75ec1b3cde17 378
Geremia 0:75ec1b3cde17 379 char filename[50];
Geremia 0:75ec1b3cde17 380 unsigned char BMP_Header[54];
Geremia 0:75ec1b3cde17 381 unsigned short BPP_t;
Geremia 0:75ec1b3cde17 382 unsigned int PixelWidth,PixelHeigh,start_data;
Geremia 0:75ec1b3cde17 383 unsigned int i,off;
Geremia 0:75ec1b3cde17 384 int padd,j;
Geremia 0:75ec1b3cde17 385 unsigned short *line;
Geremia 0:75ec1b3cde17 386
Geremia 0:75ec1b3cde17 387 // get the filename
Geremia 0:75ec1b3cde17 388 i=0;
Geremia 0:75ec1b3cde17 389 while (*Name_BMP!='\0') {
Geremia 0:75ec1b3cde17 390 filename[i++]=*Name_BMP++;
Geremia 0:75ec1b3cde17 391 }
Geremia 0:75ec1b3cde17 392 filename[i] = 0;
Geremia 0:75ec1b3cde17 393
Geremia 0:75ec1b3cde17 394 FILE *Image = fopen((const char *)&filename[0], "rb"); // open the bmp file
Geremia 0:75ec1b3cde17 395 if (!Image) {
Geremia 0:75ec1b3cde17 396 return(0); // error file not found !
Geremia 0:75ec1b3cde17 397 }
Geremia 0:75ec1b3cde17 398
Geremia 0:75ec1b3cde17 399 fread(&BMP_Header[0],1,54,Image); // get the BMP Header
Geremia 0:75ec1b3cde17 400
Geremia 0:75ec1b3cde17 401 if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte
Geremia 0:75ec1b3cde17 402 fclose(Image);
Geremia 0:75ec1b3cde17 403 return(-1); // error no BMP file
Geremia 0:75ec1b3cde17 404 }
Geremia 0:75ec1b3cde17 405
Geremia 0:75ec1b3cde17 406 BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8);
Geremia 0:75ec1b3cde17 407 if (BPP_t != 0x0010) {
Geremia 0:75ec1b3cde17 408 fclose(Image);
Geremia 0:75ec1b3cde17 409 return(-2); // error no 16 bit BMP
Geremia 0:75ec1b3cde17 410 }
Geremia 0:75ec1b3cde17 411
Geremia 0:75ec1b3cde17 412 PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24);
Geremia 0:75ec1b3cde17 413 PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24);
Geremia 0:75ec1b3cde17 414 if (PixelHeigh > oriented_height + y || PixelWidth > oriented_width + x) {
Geremia 0:75ec1b3cde17 415 fclose(Image);
Geremia 0:75ec1b3cde17 416 return(-3); // to big
Geremia 0:75ec1b3cde17 417 }
Geremia 0:75ec1b3cde17 418
Geremia 0:75ec1b3cde17 419 start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24);
Geremia 0:75ec1b3cde17 420
Geremia 0:75ec1b3cde17 421 line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line
Geremia 0:75ec1b3cde17 422 if (line == NULL) {
Geremia 0:75ec1b3cde17 423 return(-4); // error no memory
Geremia 0:75ec1b3cde17 424 }
Geremia 0:75ec1b3cde17 425
Geremia 0:75ec1b3cde17 426 // the bmp lines are padded to multiple of 4 bytes
Geremia 0:75ec1b3cde17 427 padd = -1;
Geremia 0:75ec1b3cde17 428 do {
Geremia 0:75ec1b3cde17 429 padd ++;
Geremia 0:75ec1b3cde17 430 } while ((PixelWidth * 2 + padd)%4 != 0);
Geremia 0:75ec1b3cde17 431
Geremia 0:75ec1b3cde17 432 window(x, y,PixelWidth ,PixelHeigh);
Geremia 0:75ec1b3cde17 433 // wr_cmd(0x2C); // send pixel
Geremia 0:75ec1b3cde17 434 for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up
Geremia 0:75ec1b3cde17 435 off = j * (PixelWidth * 2 + padd) + start_data; // start of line
Geremia 0:75ec1b3cde17 436 fseek(Image, off ,SEEK_SET);
Geremia 0:75ec1b3cde17 437 fread(line,1,PixelWidth * 2,Image); // read a line - slow
Geremia 2:713844a55c4e 438 /* for (i = 0; i < PixelWidth; i++)
Geremia 2:713844a55c4e 439 { // copy pixel data to TFT
Geremia 0:75ec1b3cde17 440 // wr_16(line[i]); // one 16 bit pixel
Geremia 0:75ec1b3cde17 441 window_pushpixel(line[i]);
Geremia 2:713844a55c4e 442
Geremia 2:713844a55c4e 443 } */
Geremia 2:713844a55c4e 444 window_pushpixelbuf(line, PixelWidth);
Geremia 0:75ec1b3cde17 445 }
Geremia 0:75ec1b3cde17 446 free (line);
Geremia 0:75ec1b3cde17 447 fclose(Image);
Geremia 0:75ec1b3cde17 448 if(auto_up) copy_to_lcd();
Geremia 0:75ec1b3cde17 449 return(1);
Geremia 0:75ec1b3cde17 450 }
Geremia 0:75ec1b3cde17 451
Geremia 0:75ec1b3cde17 452 void GraphicsDisplay::cls (void)
Geremia 0:75ec1b3cde17 453 {
Geremia 0:75ec1b3cde17 454 unsigned int pixels = ( oriented_width * oriented_height);
Geremia 0:75ec1b3cde17 455 WindowMax();
Geremia 0:75ec1b3cde17 456 for (unsigned int i = 0; i < pixels; i++)
Geremia 0:75ec1b3cde17 457 {
Geremia 0:75ec1b3cde17 458 window_pushpixel(_background);
Geremia 0:75ec1b3cde17 459 }
Geremia 0:75ec1b3cde17 460 }
Geremia 2:713844a55c4e 461 void GraphicsDisplay::set_auto_up(bool up)
Geremia 2:713844a55c4e 462 {
Geremia 2:713844a55c4e 463 if(up) auto_up = true;
Geremia 2:713844a55c4e 464 else auto_up = false;
Geremia 2:713844a55c4e 465 }
Geremia 2:713844a55c4e 466 bool GraphicsDisplay::get_auto_up(void)
Geremia 2:713844a55c4e 467 {
Geremia 2:713844a55c4e 468 return (auto_up);
Geremia 2:713844a55c4e 469 }
Geremia 0:75ec1b3cde17 470
Geremia 0:75ec1b3cde17 471