Satyan Raj / UniGraphic

test

Fork of UniGraphic by GraphicsDisplay

Graphics/GraphicsDisplay.cpp@16:244f9563ebc1, 2015-02-23 (annotated)

Committer:
Geremia
Date:
Mon Feb 23 23:36:22 2015 +0000
Revision:
16:244f9563ebc1
Parent:
8:26757296c79d
Child:
22:f9a37f22b9cb
revised Bitmap() for faster plotting

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