Satyan Raj / UniGraphic

test

Fork of UniGraphic by GraphicsDisplay

Graphics/GraphicsDisplay.cpp@3:48f3282c2be8, 2015-02-14 (annotated)

Committer:
Geremia
Date:
Sat Feb 14 17:42:21 2015 +0000
Revision:
3:48f3282c2be8
Parent:
2:713844a55c4e
Child:
4:12ba0ecc2c1f
small things

Who changed what in which revision?

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