KSM edits to RA8875
GraphicsDisplay.cpp@145:5eb2492acdda, 2017-05-06 (annotated)
- Committer:
- WiredHome
- Date:
- Sat May 06 20:27:44 2017 +0000
- Revision:
- 145:5eb2492acdda
- Parent:
- 136:224e03d5c31f
- Child:
- 146:373d59f08357
hook the memory allocation to use a special instrumented allocation
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dreschpe | 0:de9d1462a835 | 1 | /* mbed GraphicsDisplay Display Library Base Class |
dreschpe | 0:de9d1462a835 | 2 | * Copyright (c) 2007-2009 sford |
dreschpe | 0:de9d1462a835 | 3 | * Released under the MIT License: http://mbed.org/license/mit |
WiredHome | 32:0e4f2ae512e2 | 4 | * |
WiredHome | 34:c99ec28fac66 | 5 | * Derivative work by D.Smart 2014 |
dreschpe | 0:de9d1462a835 | 6 | */ |
WiredHome | 19:3f82c1161fd2 | 7 | |
dreschpe | 0:de9d1462a835 | 8 | #include "GraphicsDisplay.h" |
WiredHome | 31:c72e12cd5c67 | 9 | #include "Bitmap.h" |
WiredHome | 42:7cbdfd2bbfc5 | 10 | #include "string.h" |
dreschpe | 0:de9d1462a835 | 11 | |
WiredHome | 145:5eb2492acdda | 12 | //#include "Utility.h" // private memory manager |
WiredHome | 145:5eb2492acdda | 13 | #ifndef UTILITY_H |
WiredHome | 145:5eb2492acdda | 14 | #define swMalloc malloc // use the standard |
WiredHome | 145:5eb2492acdda | 15 | #define swFree free |
WiredHome | 145:5eb2492acdda | 16 | #endif |
WiredHome | 145:5eb2492acdda | 17 | |
WiredHome | 121:6bc4911f5e55 | 18 | //#define DEBUG "GD " |
WiredHome | 29:422616aa04bd | 19 | // ... |
WiredHome | 29:422616aa04bd | 20 | // INFO("Stuff to show %d", var); // new-line is automatically appended |
WiredHome | 29:422616aa04bd | 21 | // |
WiredHome | 29:422616aa04bd | 22 | #if (defined(DEBUG) && !defined(TARGET_LPC11U24)) |
WiredHome | 115:c9862fd0c689 | 23 | #define INFO(x, ...) std::printf("[INF %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
WiredHome | 115:c9862fd0c689 | 24 | #define WARN(x, ...) std::printf("[WRN %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
WiredHome | 115:c9862fd0c689 | 25 | #define ERR(x, ...) std::printf("[ERR %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
WiredHome | 98:ecebed9b80b2 | 26 | static void HexDump(const char * title, const uint8_t * p, int count) |
WiredHome | 31:c72e12cd5c67 | 27 | { |
WiredHome | 31:c72e12cd5c67 | 28 | int i; |
WiredHome | 31:c72e12cd5c67 | 29 | char buf[100] = "0000: "; |
WiredHome | 31:c72e12cd5c67 | 30 | |
WiredHome | 31:c72e12cd5c67 | 31 | if (*title) |
WiredHome | 31:c72e12cd5c67 | 32 | INFO("%s", title); |
WiredHome | 31:c72e12cd5c67 | 33 | for (i=0; i<count; ) { |
WiredHome | 31:c72e12cd5c67 | 34 | sprintf(buf + strlen(buf), "%02X ", *(p+i)); |
WiredHome | 31:c72e12cd5c67 | 35 | if ((++i & 0x0F) == 0x00) { |
WiredHome | 31:c72e12cd5c67 | 36 | INFO("%s", buf); |
WiredHome | 31:c72e12cd5c67 | 37 | if (i < count) |
WiredHome | 31:c72e12cd5c67 | 38 | sprintf(buf, "%04X: ", i); |
WiredHome | 31:c72e12cd5c67 | 39 | else |
WiredHome | 31:c72e12cd5c67 | 40 | buf[0] = '\0'; |
WiredHome | 31:c72e12cd5c67 | 41 | } |
WiredHome | 31:c72e12cd5c67 | 42 | } |
WiredHome | 31:c72e12cd5c67 | 43 | if (strlen(buf)) |
WiredHome | 31:c72e12cd5c67 | 44 | INFO("%s", buf); |
WiredHome | 31:c72e12cd5c67 | 45 | } |
WiredHome | 29:422616aa04bd | 46 | #else |
WiredHome | 29:422616aa04bd | 47 | #define INFO(x, ...) |
WiredHome | 29:422616aa04bd | 48 | #define WARN(x, ...) |
WiredHome | 29:422616aa04bd | 49 | #define ERR(x, ...) |
WiredHome | 32:0e4f2ae512e2 | 50 | #define HexDump(a, b, c) |
WiredHome | 29:422616aa04bd | 51 | #endif |
WiredHome | 29:422616aa04bd | 52 | |
WiredHome | 19:3f82c1161fd2 | 53 | |
WiredHome | 42:7cbdfd2bbfc5 | 54 | char mytolower(char a) { |
WiredHome | 42:7cbdfd2bbfc5 | 55 | if (a >= 'A' && a <= 'Z') |
WiredHome | 42:7cbdfd2bbfc5 | 56 | return (a - 'A' + 'a'); |
WiredHome | 42:7cbdfd2bbfc5 | 57 | else |
WiredHome | 42:7cbdfd2bbfc5 | 58 | return a; |
WiredHome | 42:7cbdfd2bbfc5 | 59 | } |
WiredHome | 42:7cbdfd2bbfc5 | 60 | /// mystrnicmp exists because not all compiler libraries have this function. |
WiredHome | 42:7cbdfd2bbfc5 | 61 | /// |
WiredHome | 42:7cbdfd2bbfc5 | 62 | /// Some have strnicmp, others _strnicmp, and others have C++ methods, which |
WiredHome | 42:7cbdfd2bbfc5 | 63 | /// is outside the scope of this C-portable set of functions. |
WiredHome | 42:7cbdfd2bbfc5 | 64 | /// |
WiredHome | 42:7cbdfd2bbfc5 | 65 | /// @param l is a pointer to the string on the left |
WiredHome | 42:7cbdfd2bbfc5 | 66 | /// @param r is a pointer to the string on the right |
WiredHome | 42:7cbdfd2bbfc5 | 67 | /// @param n is the number of characters to compare |
WiredHome | 42:7cbdfd2bbfc5 | 68 | /// @returns -1 if l < r |
WiredHome | 42:7cbdfd2bbfc5 | 69 | /// @returns 0 if l == r |
WiredHome | 42:7cbdfd2bbfc5 | 70 | /// @returns +1 if l > r |
WiredHome | 42:7cbdfd2bbfc5 | 71 | /// |
WiredHome | 42:7cbdfd2bbfc5 | 72 | int mystrnicmp(const char *l, const char *r, size_t n) { |
WiredHome | 42:7cbdfd2bbfc5 | 73 | int result = 0; |
WiredHome | 42:7cbdfd2bbfc5 | 74 | |
WiredHome | 42:7cbdfd2bbfc5 | 75 | if (n != 0) { |
WiredHome | 42:7cbdfd2bbfc5 | 76 | do { |
WiredHome | 42:7cbdfd2bbfc5 | 77 | result = mytolower(*l++) - mytolower(*r++); |
WiredHome | 42:7cbdfd2bbfc5 | 78 | } while ((result == 0) && (*l != '\0') && (--n > 0)); |
WiredHome | 42:7cbdfd2bbfc5 | 79 | } |
WiredHome | 42:7cbdfd2bbfc5 | 80 | if (result < -1) |
WiredHome | 42:7cbdfd2bbfc5 | 81 | result = -1; |
WiredHome | 42:7cbdfd2bbfc5 | 82 | else if (result > 1) |
WiredHome | 42:7cbdfd2bbfc5 | 83 | result = 1; |
WiredHome | 42:7cbdfd2bbfc5 | 84 | return result; |
WiredHome | 42:7cbdfd2bbfc5 | 85 | } |
WiredHome | 42:7cbdfd2bbfc5 | 86 | |
WiredHome | 42:7cbdfd2bbfc5 | 87 | |
WiredHome | 29:422616aa04bd | 88 | GraphicsDisplay::GraphicsDisplay(const char *name) |
WiredHome | 29:422616aa04bd | 89 | : TextDisplay(name) |
WiredHome | 19:3f82c1161fd2 | 90 | { |
WiredHome | 29:422616aa04bd | 91 | font = NULL; |
dreschpe | 0:de9d1462a835 | 92 | } |
WiredHome | 19:3f82c1161fd2 | 93 | |
WiredHome | 104:8d1d3832a215 | 94 | //GraphicsDisplay::~GraphicsDisplay() |
WiredHome | 104:8d1d3832a215 | 95 | //{ |
WiredHome | 104:8d1d3832a215 | 96 | //} |
WiredHome | 104:8d1d3832a215 | 97 | |
WiredHome | 98:ecebed9b80b2 | 98 | RetCode_t GraphicsDisplay::SelectUserFont(const unsigned char * _font) |
WiredHome | 29:422616aa04bd | 99 | { |
WiredHome | 98:ecebed9b80b2 | 100 | font = _font; // trusting them, but it might be good to put some checks in here... |
WiredHome | 98:ecebed9b80b2 | 101 | return noerror; |
WiredHome | 29:422616aa04bd | 102 | } |
WiredHome | 98:ecebed9b80b2 | 103 | |
WiredHome | 29:422616aa04bd | 104 | int GraphicsDisplay::character(int x, int y, int c) |
WiredHome | 29:422616aa04bd | 105 | { |
WiredHome | 101:e0aad446094a | 106 | return fontblit(x, y, c); |
WiredHome | 29:422616aa04bd | 107 | } |
WiredHome | 19:3f82c1161fd2 | 108 | |
WiredHome | 111:efe436c43aba | 109 | RetCode_t GraphicsDisplay::window(rect_t r) |
WiredHome | 19:3f82c1161fd2 | 110 | { |
WiredHome | 111:efe436c43aba | 111 | return window(r.p1.x, r.p1.y, r.p2.x + 1 - r.p1.x, r.p2.y + 1 - r.p1.y); |
WiredHome | 111:efe436c43aba | 112 | } |
WiredHome | 111:efe436c43aba | 113 | |
WiredHome | 114:dbfb996bfbf3 | 114 | RetCode_t GraphicsDisplay::window(loc_t x, loc_t y, dim_t _width, dim_t _height) |
WiredHome | 111:efe436c43aba | 115 | { |
WiredHome | 114:dbfb996bfbf3 | 116 | if (_width == (dim_t)-1) |
WiredHome | 114:dbfb996bfbf3 | 117 | _width = width() - x; |
WiredHome | 114:dbfb996bfbf3 | 118 | if (_height == (dim_t)-1) |
WiredHome | 114:dbfb996bfbf3 | 119 | _height = height() - y; |
WiredHome | 114:dbfb996bfbf3 | 120 | |
WiredHome | 111:efe436c43aba | 121 | // Save the window metrics |
WiredHome | 111:efe436c43aba | 122 | windowrect.p1.x = x; |
WiredHome | 111:efe436c43aba | 123 | windowrect.p1.y = y; |
WiredHome | 114:dbfb996bfbf3 | 124 | windowrect.p2.x = x + _width - 1; |
WiredHome | 114:dbfb996bfbf3 | 125 | windowrect.p2.y = y + _height - 1; |
dreschpe | 0:de9d1462a835 | 126 | // current pixel location |
dreschpe | 0:de9d1462a835 | 127 | _x = x; |
dreschpe | 0:de9d1462a835 | 128 | _y = y; |
WiredHome | 32:0e4f2ae512e2 | 129 | return noerror; |
dreschpe | 0:de9d1462a835 | 130 | } |
WiredHome | 19:3f82c1161fd2 | 131 | |
WiredHome | 79:544eb4964795 | 132 | RetCode_t GraphicsDisplay::WindowMax(void) |
WiredHome | 31:c72e12cd5c67 | 133 | { |
WiredHome | 79:544eb4964795 | 134 | return window(0,0, width(),height()); |
WiredHome | 31:c72e12cd5c67 | 135 | } |
WiredHome | 31:c72e12cd5c67 | 136 | |
WiredHome | 55:dfbabef7003e | 137 | RetCode_t GraphicsDisplay::_putp(color_t color) |
WiredHome | 19:3f82c1161fd2 | 138 | { |
WiredHome | 33:b6b710758ab3 | 139 | pixel(_x, _y, color); |
dreschpe | 0:de9d1462a835 | 140 | // update pixel location based on window settings |
dreschpe | 0:de9d1462a835 | 141 | _x++; |
WiredHome | 111:efe436c43aba | 142 | if(_x > windowrect.p2.x) { |
WiredHome | 111:efe436c43aba | 143 | _x = windowrect.p1.x; |
dreschpe | 0:de9d1462a835 | 144 | _y++; |
WiredHome | 111:efe436c43aba | 145 | if(_y > windowrect.p2.y) { |
WiredHome | 111:efe436c43aba | 146 | _y = windowrect.p1.y; |
dreschpe | 0:de9d1462a835 | 147 | } |
dreschpe | 0:de9d1462a835 | 148 | } |
WiredHome | 32:0e4f2ae512e2 | 149 | return noerror; |
dreschpe | 0:de9d1462a835 | 150 | } |
dreschpe | 0:de9d1462a835 | 151 | |
WiredHome | 109:7b94f06f085b | 152 | RetCode_t GraphicsDisplay::fill(loc_t x, loc_t y, dim_t w, dim_t h, color_t color) |
WiredHome | 19:3f82c1161fd2 | 153 | { |
WiredHome | 79:544eb4964795 | 154 | return fillrect(x,y, x+w, y+h, color); |
dreschpe | 0:de9d1462a835 | 155 | } |
WiredHome | 19:3f82c1161fd2 | 156 | |
WiredHome | 61:8f3153bf0baa | 157 | RetCode_t GraphicsDisplay::cls(uint16_t layers) |
WiredHome | 19:3f82c1161fd2 | 158 | { |
WiredHome | 79:544eb4964795 | 159 | return fill(0, 0, width(), height(), _background); |
dreschpe | 0:de9d1462a835 | 160 | } |
WiredHome | 19:3f82c1161fd2 | 161 | |
WiredHome | 109:7b94f06f085b | 162 | RetCode_t GraphicsDisplay::blit(loc_t x, loc_t y, dim_t w, dim_t h, const int * color) |
WiredHome | 19:3f82c1161fd2 | 163 | { |
WiredHome | 111:efe436c43aba | 164 | rect_t restore = windowrect; |
dreschpe | 0:de9d1462a835 | 165 | window(x, y, w, h); |
WiredHome | 37:f19b7e7449dc | 166 | _StartGraphicsStream(); |
WiredHome | 31:c72e12cd5c67 | 167 | for (int i=0; i<w*h; i++) { |
WiredHome | 55:dfbabef7003e | 168 | _putp(color[i]); |
dreschpe | 0:de9d1462a835 | 169 | } |
WiredHome | 37:f19b7e7449dc | 170 | _EndGraphicsStream(); |
WiredHome | 111:efe436c43aba | 171 | //return WindowMax(); |
WiredHome | 111:efe436c43aba | 172 | return window(restore); |
dreschpe | 0:de9d1462a835 | 173 | } |
WiredHome | 19:3f82c1161fd2 | 174 | |
WiredHome | 98:ecebed9b80b2 | 175 | // 8 byte "info" section |
WiredHome | 98:ecebed9b80b2 | 176 | //0x00, // unknown ???????? |
WiredHome | 98:ecebed9b80b2 | 177 | //0x00, // unknown ???????? |
WiredHome | 98:ecebed9b80b2 | 178 | //0x20,0x00, // First char 32 |
WiredHome | 98:ecebed9b80b2 | 179 | //0x7F,0x00, // Last char 127 |
WiredHome | 98:ecebed9b80b2 | 180 | //0x25, // Font Height 37 |
WiredHome | 98:ecebed9b80b2 | 181 | //0x00, // Unknown 0 ???????? |
WiredHome | 98:ecebed9b80b2 | 182 | // |
WiredHome | 98:ecebed9b80b2 | 183 | //0x01,0x88,0x01,0x00 // ' ' is 1 pixel wide, data is at offset 0x0188 |
WiredHome | 98:ecebed9b80b2 | 184 | //0x0B,0xAD,0x01,0x00 // '!' is 11 pixels wide, data is at offset 0x01AD |
WiredHome | 98:ecebed9b80b2 | 185 | //0x0D,0xF7,0x01,0x00 // '"' is 13 pixels wide, data is at offset 0x01F7 |
WiredHome | 98:ecebed9b80b2 | 186 | //... |
WiredHome | 98:ecebed9b80b2 | 187 | //0x00,... // ' ' data stream. |
WiredHome | 98:ecebed9b80b2 | 188 | //0x00,0x06,0x00,0x07,0x80,0x07,0xC0,0x07,0xC0,0x07,0xC0 // '!' |
WiredHome | 98:ecebed9b80b2 | 189 | //... |
WiredHome | 101:e0aad446094a | 190 | |
WiredHome | 101:e0aad446094a | 191 | |
WiredHome | 109:7b94f06f085b | 192 | const uint8_t * GraphicsDisplay::getCharMetrics(const unsigned char c, dim_t * width, dim_t * height) |
WiredHome | 19:3f82c1161fd2 | 193 | { |
WiredHome | 98:ecebed9b80b2 | 194 | uint16_t offsetToCharLookup; |
WiredHome | 98:ecebed9b80b2 | 195 | uint16_t firstChar = font[3] * 256 + font[2]; |
WiredHome | 98:ecebed9b80b2 | 196 | uint16_t lastChar = font[5] * 256 + font[4]; |
WiredHome | 109:7b94f06f085b | 197 | dim_t charHeight = font[6]; |
WiredHome | 98:ecebed9b80b2 | 198 | const unsigned char * charRecord; // width, data, data, data, ... |
WiredHome | 98:ecebed9b80b2 | 199 | |
WiredHome | 98:ecebed9b80b2 | 200 | INFO("first:%d, last:%d, c:%d", firstChar, lastChar, c); |
WiredHome | 98:ecebed9b80b2 | 201 | if (c < firstChar || c > lastChar) |
WiredHome | 101:e0aad446094a | 202 | return NULL; // advance zero pixels since it was unprintable... |
WiredHome | 101:e0aad446094a | 203 | |
WiredHome | 101:e0aad446094a | 204 | // 8 bytes of preamble to the first level lookup table |
WiredHome | 101:e0aad446094a | 205 | offsetToCharLookup = 8 + 4 * (c - firstChar); // 4-bytes: width(pixels), 16-bit offset from table start, 0 |
WiredHome | 109:7b94f06f085b | 206 | dim_t charWidth = font[offsetToCharLookup]; |
WiredHome | 101:e0aad446094a | 207 | charRecord = font + font[offsetToCharLookup + 2] * 256 + font[offsetToCharLookup + 1]; |
WiredHome | 101:e0aad446094a | 208 | //INFO("hgt:%d, wdt:%d", charHeight, charWidth); |
WiredHome | 101:e0aad446094a | 209 | if (width) |
WiredHome | 101:e0aad446094a | 210 | *width = charWidth; |
WiredHome | 101:e0aad446094a | 211 | if (height) |
WiredHome | 101:e0aad446094a | 212 | *height = charHeight; |
WiredHome | 101:e0aad446094a | 213 | return charRecord; |
WiredHome | 101:e0aad446094a | 214 | } |
WiredHome | 101:e0aad446094a | 215 | |
WiredHome | 109:7b94f06f085b | 216 | |
WiredHome | 109:7b94f06f085b | 217 | int GraphicsDisplay::fontblit(loc_t x, loc_t y, const unsigned char c) |
WiredHome | 101:e0aad446094a | 218 | { |
WiredHome | 109:7b94f06f085b | 219 | const uint8_t * charRecord; // width, data, data, data, ... |
WiredHome | 109:7b94f06f085b | 220 | dim_t charWidth, charHeight; |
WiredHome | 101:e0aad446094a | 221 | charRecord = getCharMetrics(c, &charWidth, &charHeight); |
WiredHome | 101:e0aad446094a | 222 | if (charRecord) { |
WiredHome | 101:e0aad446094a | 223 | INFO("hgt:%d, wdt:%d", charHeight, charWidth); |
WiredHome | 101:e0aad446094a | 224 | // clip to the edge of the screen |
WiredHome | 101:e0aad446094a | 225 | //if (x + charWidth >= width()) |
WiredHome | 101:e0aad446094a | 226 | // charWidth = width() - x; |
WiredHome | 101:e0aad446094a | 227 | //if (y + charHeight >= height()) |
WiredHome | 101:e0aad446094a | 228 | // charHeight = height() - y; |
WiredHome | 109:7b94f06f085b | 229 | booleanStream(x,y,charWidth, charHeight, charRecord); |
WiredHome | 101:e0aad446094a | 230 | return charWidth; |
WiredHome | 101:e0aad446094a | 231 | } else { |
WiredHome | 101:e0aad446094a | 232 | return 0; |
WiredHome | 29:422616aa04bd | 233 | } |
dreschpe | 0:de9d1462a835 | 234 | } |
dreschpe | 0:de9d1462a835 | 235 | |
WiredHome | 31:c72e12cd5c67 | 236 | // BMP Color Palette is BGRx |
WiredHome | 31:c72e12cd5c67 | 237 | // BBBB BBBB GGGG GGGG RRRR RRRR 0000 0000 |
WiredHome | 31:c72e12cd5c67 | 238 | // RGB16 is |
WiredHome | 31:c72e12cd5c67 | 239 | // RRRR RGGG GGGB BBBB |
WiredHome | 31:c72e12cd5c67 | 240 | // swap to little endian |
WiredHome | 31:c72e12cd5c67 | 241 | // GGGB BBBB RRRR RGGG |
WiredHome | 32:0e4f2ae512e2 | 242 | color_t GraphicsDisplay::RGBQuadToRGB16(RGBQUAD * colorPalette, uint16_t i) |
WiredHome | 31:c72e12cd5c67 | 243 | { |
WiredHome | 31:c72e12cd5c67 | 244 | color_t c; |
WiredHome | 31:c72e12cd5c67 | 245 | |
WiredHome | 31:c72e12cd5c67 | 246 | c = ((colorPalette[i].rgbBlue >> 3) << 0); |
WiredHome | 31:c72e12cd5c67 | 247 | c |= ((colorPalette[i].rgbGreen >> 2) << 5); |
WiredHome | 31:c72e12cd5c67 | 248 | c |= ((colorPalette[i].rgbRed >> 3) << 11); |
WiredHome | 31:c72e12cd5c67 | 249 | return c; |
WiredHome | 31:c72e12cd5c67 | 250 | } |
WiredHome | 29:422616aa04bd | 251 | |
WiredHome | 93:6fbc516de05e | 252 | // RGB16 little endian |
WiredHome | 93:6fbc516de05e | 253 | // GGGB BBBB RRRR RGGG |
WiredHome | 93:6fbc516de05e | 254 | // swap |
WiredHome | 93:6fbc516de05e | 255 | // RRRR RGGG GGGB BBBB |
WiredHome | 93:6fbc516de05e | 256 | // RRRR R |
WiredHome | 93:6fbc516de05e | 257 | // extend to BMP Color Palette is BGRx |
WiredHome | 93:6fbc516de05e | 258 | // BBBB BBBB GGGG GGGG RRRR RRRR 0000 0000 |
WiredHome | 41:2956a0a221e5 | 259 | RGBQUAD GraphicsDisplay::RGB16ToRGBQuad(color_t c) |
WiredHome | 41:2956a0a221e5 | 260 | { |
WiredHome | 41:2956a0a221e5 | 261 | RGBQUAD q; |
WiredHome | 41:2956a0a221e5 | 262 | |
WiredHome | 41:2956a0a221e5 | 263 | memset(&q, 0, sizeof(q)); |
WiredHome | 93:6fbc516de05e | 264 | c = (c << 8) | (c >> 8); // swap |
WiredHome | 72:ecffe56af969 | 265 | q.rgbBlue = ((c & 0x001F) << 3) | (c & 0x07); /* Blue value */ |
WiredHome | 93:6fbc516de05e | 266 | q.rgbGreen = ((c & 0x07E0) >> 3) | ((c >> 9) & 0x03); /* Green value */ |
WiredHome | 93:6fbc516de05e | 267 | q.rgbRed = ((c & 0xF800) >> 8) | ((c >> 13) & 0x07); /* Red value */ |
WiredHome | 41:2956a0a221e5 | 268 | q.rgbReserved = 0; |
WiredHome | 41:2956a0a221e5 | 269 | return q; |
WiredHome | 41:2956a0a221e5 | 270 | } |
WiredHome | 41:2956a0a221e5 | 271 | |
WiredHome | 42:7cbdfd2bbfc5 | 272 | RetCode_t GraphicsDisplay::_RenderBitmap(loc_t x, loc_t y, uint32_t fileOffset, FILE * Image) |
WiredHome | 31:c72e12cd5c67 | 273 | { |
WiredHome | 31:c72e12cd5c67 | 274 | BITMAPINFOHEADER BMP_Info; |
WiredHome | 31:c72e12cd5c67 | 275 | RGBQUAD * colorPalette = NULL; |
WiredHome | 31:c72e12cd5c67 | 276 | int colorCount; |
WiredHome | 32:0e4f2ae512e2 | 277 | uint8_t * lineBuffer = NULL; |
WiredHome | 69:636867df24a1 | 278 | color_t * pixelBuffer = NULL; |
WiredHome | 31:c72e12cd5c67 | 279 | uint16_t BPP_t; |
WiredHome | 95:ef538bd687c0 | 280 | dim_t PixelWidth, PixelHeight; |
WiredHome | 31:c72e12cd5c67 | 281 | unsigned int i, offset; |
WiredHome | 31:c72e12cd5c67 | 282 | int padd,j; |
WiredHome | 59:fb40aad4efd4 | 283 | #ifdef DEBUG |
WiredHome | 112:325ca91bc03d | 284 | //uint32_t start_data; |
WiredHome | 59:fb40aad4efd4 | 285 | #endif |
WiredHome | 31:c72e12cd5c67 | 286 | |
WiredHome | 42:7cbdfd2bbfc5 | 287 | // Now, Read the bitmap info header |
WiredHome | 31:c72e12cd5c67 | 288 | fread(&BMP_Info, 1, sizeof(BMP_Info), Image); |
WiredHome | 59:fb40aad4efd4 | 289 | HexDump("BMP_Info", (uint8_t *)&BMP_Info, sizeof(BMP_Info)); |
WiredHome | 31:c72e12cd5c67 | 290 | BPP_t = BMP_Info.biBitCount; |
WiredHome | 31:c72e12cd5c67 | 291 | INFO("biBitCount %04X", BPP_t); |
WiredHome | 112:325ca91bc03d | 292 | if (BPP_t != 1 && BPP_t != 4 && BPP_t != 8 && BPP_t != 16 && BPP_t != 24) { // Support 4, 8, 16, 24-bits per pixel |
WiredHome | 31:c72e12cd5c67 | 293 | fclose(Image); |
WiredHome | 31:c72e12cd5c67 | 294 | return(not_supported_format); |
WiredHome | 31:c72e12cd5c67 | 295 | } |
WiredHome | 112:325ca91bc03d | 296 | if (BMP_Info.biCompression != 0) { // Only the "no comporession" option is supported. |
WiredHome | 112:325ca91bc03d | 297 | fclose(Image); |
WiredHome | 112:325ca91bc03d | 298 | return(not_supported_format); |
WiredHome | 112:325ca91bc03d | 299 | } |
WiredHome | 31:c72e12cd5c67 | 300 | PixelHeight = BMP_Info.biHeight; |
WiredHome | 31:c72e12cd5c67 | 301 | PixelWidth = BMP_Info.biWidth; |
WiredHome | 79:544eb4964795 | 302 | INFO("(%d,%d) (%d,%d) (%d,%d)", x,y, PixelWidth,PixelHeight, width(), height()); |
WiredHome | 31:c72e12cd5c67 | 303 | if (PixelHeight > height() + y || PixelWidth > width() + x) { |
WiredHome | 31:c72e12cd5c67 | 304 | fclose(Image); |
WiredHome | 31:c72e12cd5c67 | 305 | return(image_too_big); |
WiredHome | 31:c72e12cd5c67 | 306 | } |
WiredHome | 31:c72e12cd5c67 | 307 | if (BMP_Info.biBitCount <= 8) { |
WiredHome | 31:c72e12cd5c67 | 308 | int paletteSize; |
WiredHome | 31:c72e12cd5c67 | 309 | // Read the color palette |
WiredHome | 31:c72e12cd5c67 | 310 | colorCount = 1 << BMP_Info.biBitCount; |
WiredHome | 31:c72e12cd5c67 | 311 | paletteSize = sizeof(RGBQUAD) * colorCount; |
WiredHome | 145:5eb2492acdda | 312 | colorPalette = (RGBQUAD *)swMalloc(paletteSize); |
WiredHome | 31:c72e12cd5c67 | 313 | if (colorPalette == NULL) { |
WiredHome | 31:c72e12cd5c67 | 314 | fclose(Image); |
WiredHome | 31:c72e12cd5c67 | 315 | return(not_enough_ram); |
WiredHome | 31:c72e12cd5c67 | 316 | } |
WiredHome | 31:c72e12cd5c67 | 317 | fread(colorPalette, 1, paletteSize, Image); |
WiredHome | 59:fb40aad4efd4 | 318 | HexDump("Color Palette", (uint8_t *)colorPalette, paletteSize); |
WiredHome | 31:c72e12cd5c67 | 319 | } |
WiredHome | 31:c72e12cd5c67 | 320 | |
WiredHome | 32:0e4f2ae512e2 | 321 | int lineBufSize = ((BPP_t * PixelWidth + 7)/8); |
WiredHome | 59:fb40aad4efd4 | 322 | INFO("BPP_t %d, PixelWidth %d, lineBufSize %d", BPP_t, PixelWidth, lineBufSize); |
WiredHome | 145:5eb2492acdda | 323 | lineBuffer = (uint8_t *)swMalloc(lineBufSize); |
WiredHome | 31:c72e12cd5c67 | 324 | if (lineBuffer == NULL) { |
WiredHome | 145:5eb2492acdda | 325 | swFree(colorPalette); |
WiredHome | 31:c72e12cd5c67 | 326 | fclose(Image); |
WiredHome | 31:c72e12cd5c67 | 327 | return(not_enough_ram); |
WiredHome | 31:c72e12cd5c67 | 328 | } |
WiredHome | 145:5eb2492acdda | 329 | pixelBuffer = (color_t *)swMalloc(PixelWidth * sizeof(color_t)); |
WiredHome | 41:2956a0a221e5 | 330 | if (pixelBuffer == NULL) { |
WiredHome | 145:5eb2492acdda | 331 | swFree(lineBuffer); |
WiredHome | 69:636867df24a1 | 332 | if (colorPalette) |
WiredHome | 145:5eb2492acdda | 333 | swFree(colorPalette); |
WiredHome | 41:2956a0a221e5 | 334 | fclose(Image); |
WiredHome | 41:2956a0a221e5 | 335 | return(not_enough_ram); |
WiredHome | 41:2956a0a221e5 | 336 | } |
WiredHome | 31:c72e12cd5c67 | 337 | |
WiredHome | 112:325ca91bc03d | 338 | padd = (lineBufSize % 4); |
WiredHome | 112:325ca91bc03d | 339 | if (padd) |
WiredHome | 112:325ca91bc03d | 340 | padd = 4 - padd; |
WiredHome | 31:c72e12cd5c67 | 341 | |
WiredHome | 32:0e4f2ae512e2 | 342 | // Define window for top to bottom and left to right so writing auto-wraps |
WiredHome | 111:efe436c43aba | 343 | rect_t restore = windowrect; |
WiredHome | 31:c72e12cd5c67 | 344 | window(x,y, PixelWidth,PixelHeight); |
WiredHome | 136:224e03d5c31f | 345 | // SetGraphicsCursor(x, y); |
WiredHome | 136:224e03d5c31f | 346 | // _StartGraphicsStream(); |
WiredHome | 112:325ca91bc03d | 347 | |
WiredHome | 112:325ca91bc03d | 348 | //start_data = BMP_Info.bfOffBits; |
WiredHome | 112:325ca91bc03d | 349 | //HexDump("Raw Data", (uint8_t *)&start_data, 32); |
WiredHome | 59:fb40aad4efd4 | 350 | INFO("(%d,%d) (%d,%d), [%d,%d]", x,y, PixelWidth,PixelHeight, lineBufSize, padd); |
WiredHome | 32:0e4f2ae512e2 | 351 | for (j = PixelHeight - 1; j >= 0; j--) { //Lines bottom up |
WiredHome | 42:7cbdfd2bbfc5 | 352 | offset = fileOffset + j * (lineBufSize + padd); // start of line |
WiredHome | 31:c72e12cd5c67 | 353 | fseek(Image, offset, SEEK_SET); |
WiredHome | 32:0e4f2ae512e2 | 354 | fread(lineBuffer, 1, lineBufSize, Image); // read a line - slow ! |
WiredHome | 79:544eb4964795 | 355 | //INFO("offset: %6X", offset); |
WiredHome | 112:325ca91bc03d | 356 | //HexDump("Line", lineBuffer, lineBufSize); |
WiredHome | 32:0e4f2ae512e2 | 357 | for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT |
WiredHome | 112:325ca91bc03d | 358 | if (BPP_t == 1) { |
WiredHome | 112:325ca91bc03d | 359 | uint8_t dPix = lineBuffer[i/8]; |
WiredHome | 112:325ca91bc03d | 360 | uint8_t bMask = 0x80 >> (i % 8); |
WiredHome | 112:325ca91bc03d | 361 | uint8_t bit = (bMask & dPix) ? 0 : 1; |
WiredHome | 136:224e03d5c31f | 362 | pixelBuffer[i] = RGBQuadToRGB16(colorPalette, bit); |
WiredHome | 112:325ca91bc03d | 363 | } else if (BPP_t == 4) { |
WiredHome | 31:c72e12cd5c67 | 364 | uint8_t dPix = lineBuffer[i/2]; |
WiredHome | 31:c72e12cd5c67 | 365 | if ((i & 1) == 0) |
WiredHome | 31:c72e12cd5c67 | 366 | dPix >>= 4; |
WiredHome | 31:c72e12cd5c67 | 367 | dPix &= 0x0F; |
WiredHome | 41:2956a0a221e5 | 368 | pixelBuffer[i] = RGBQuadToRGB16(colorPalette, dPix); |
WiredHome | 31:c72e12cd5c67 | 369 | } else if (BPP_t == 8) { |
WiredHome | 41:2956a0a221e5 | 370 | pixelBuffer[i] = RGBQuadToRGB16(colorPalette, lineBuffer[i]); |
WiredHome | 32:0e4f2ae512e2 | 371 | } else if (BPP_t == 16) { |
WiredHome | 41:2956a0a221e5 | 372 | pixelBuffer[i] = lineBuffer[i]; |
WiredHome | 32:0e4f2ae512e2 | 373 | } else if (BPP_t == 24) { |
WiredHome | 37:f19b7e7449dc | 374 | color_t color; |
WiredHome | 32:0e4f2ae512e2 | 375 | color = RGB(lineBuffer[i*3+2], lineBuffer[i*3+1], lineBuffer[i*3+0]); |
WiredHome | 41:2956a0a221e5 | 376 | pixelBuffer[i] = color; |
WiredHome | 31:c72e12cd5c67 | 377 | } |
WiredHome | 31:c72e12cd5c67 | 378 | } |
WiredHome | 41:2956a0a221e5 | 379 | pixelStream(pixelBuffer, PixelWidth, x, y++); |
WiredHome | 31:c72e12cd5c67 | 380 | } |
WiredHome | 136:224e03d5c31f | 381 | // _EndGraphicsStream(); |
WiredHome | 111:efe436c43aba | 382 | window(restore); |
WiredHome | 145:5eb2492acdda | 383 | swFree(pixelBuffer); // don't leak memory |
WiredHome | 145:5eb2492acdda | 384 | swFree(lineBuffer); |
WiredHome | 69:636867df24a1 | 385 | if (colorPalette) |
WiredHome | 145:5eb2492acdda | 386 | swFree(colorPalette); |
WiredHome | 32:0e4f2ae512e2 | 387 | return (noerror); |
WiredHome | 31:c72e12cd5c67 | 388 | } |
WiredHome | 31:c72e12cd5c67 | 389 | |
WiredHome | 42:7cbdfd2bbfc5 | 390 | |
WiredHome | 42:7cbdfd2bbfc5 | 391 | RetCode_t GraphicsDisplay::RenderImageFile(loc_t x, loc_t y, const char *FileName) |
WiredHome | 42:7cbdfd2bbfc5 | 392 | { |
WiredHome | 42:7cbdfd2bbfc5 | 393 | if (mystrnicmp(FileName + strlen(FileName) - 4, ".bmp", 4) == 0) { |
WiredHome | 42:7cbdfd2bbfc5 | 394 | return RenderBitmapFile(x,y,FileName); |
WiredHome | 115:c9862fd0c689 | 395 | } else if (mystrnicmp(FileName + strlen(FileName) - 4, ".jpg", 4) == 0) { |
WiredHome | 115:c9862fd0c689 | 396 | return RenderJpegFile(x,y,FileName); |
WiredHome | 42:7cbdfd2bbfc5 | 397 | } else if (mystrnicmp(FileName + strlen(FileName) - 4, ".ico", 4) == 0) { |
WiredHome | 42:7cbdfd2bbfc5 | 398 | return RenderIconFile(x,y,FileName); |
WiredHome | 42:7cbdfd2bbfc5 | 399 | } else { |
WiredHome | 42:7cbdfd2bbfc5 | 400 | return not_supported_format; |
WiredHome | 42:7cbdfd2bbfc5 | 401 | } |
WiredHome | 42:7cbdfd2bbfc5 | 402 | } |
WiredHome | 42:7cbdfd2bbfc5 | 403 | |
WiredHome | 115:c9862fd0c689 | 404 | RetCode_t GraphicsDisplay::RenderJpegFile(loc_t x, loc_t y, const char *Name_JPG) |
WiredHome | 115:c9862fd0c689 | 405 | { |
WiredHome | 145:5eb2492acdda | 406 | #define JPEG_WORK_SPACE_SIZE 3100 // Worst case requirements for the decompression |
WiredHome | 115:c9862fd0c689 | 407 | JDEC * jdec; |
WiredHome | 115:c9862fd0c689 | 408 | uint16_t * work; |
WiredHome | 115:c9862fd0c689 | 409 | RetCode_t r = noerror; // start optimistic |
WiredHome | 115:c9862fd0c689 | 410 | FILE * fh = fopen(Name_JPG, "rb"); |
WiredHome | 115:c9862fd0c689 | 411 | |
WiredHome | 115:c9862fd0c689 | 412 | if (!fh) |
WiredHome | 115:c9862fd0c689 | 413 | return(file_not_found); |
WiredHome | 120:be2aaa3adf72 | 414 | //INFO("RenderJpegFile(%d,%d,%s)", x,y, Name_JPG); |
WiredHome | 145:5eb2492acdda | 415 | work = (uint16_t *)swMalloc(JPEG_WORK_SPACE_SIZE); |
WiredHome | 115:c9862fd0c689 | 416 | if (work) { |
WiredHome | 145:5eb2492acdda | 417 | jdec = (JDEC *)swMalloc(sizeof(JDEC)); |
WiredHome | 115:c9862fd0c689 | 418 | if (jdec) { |
WiredHome | 120:be2aaa3adf72 | 419 | memset(work, 0, JPEG_WORK_SPACE_SIZE/sizeof(uint16_t)); |
WiredHome | 120:be2aaa3adf72 | 420 | memset(jdec, 0, sizeof(JDEC)); |
WiredHome | 115:c9862fd0c689 | 421 | r = (RetCode_t)jd_prepare(jdec, NULL, work, JPEG_WORK_SPACE_SIZE, fh); |
WiredHome | 115:c9862fd0c689 | 422 | INFO("jd_prepare returned %d", r); |
WiredHome | 115:c9862fd0c689 | 423 | |
WiredHome | 115:c9862fd0c689 | 424 | if (r == noerror) { |
WiredHome | 136:224e03d5c31f | 425 | img_x = x; // save the origin for the privOutput function |
WiredHome | 136:224e03d5c31f | 426 | img_y = y; |
WiredHome | 115:c9862fd0c689 | 427 | r = (RetCode_t)jd_decomp(jdec, NULL, 0); |
WiredHome | 115:c9862fd0c689 | 428 | } else { |
WiredHome | 115:c9862fd0c689 | 429 | r = not_supported_format; // error("jd_prepare error:%d", r); |
WiredHome | 115:c9862fd0c689 | 430 | } |
WiredHome | 145:5eb2492acdda | 431 | swFree(jdec); |
WiredHome | 115:c9862fd0c689 | 432 | } else { |
WiredHome | 115:c9862fd0c689 | 433 | WARN("checkpoint"); |
WiredHome | 115:c9862fd0c689 | 434 | r = not_enough_ram; |
WiredHome | 115:c9862fd0c689 | 435 | } |
WiredHome | 145:5eb2492acdda | 436 | swFree(work); |
WiredHome | 115:c9862fd0c689 | 437 | } else { |
WiredHome | 115:c9862fd0c689 | 438 | WARN("checkpoint"); |
WiredHome | 115:c9862fd0c689 | 439 | r = not_enough_ram; |
WiredHome | 115:c9862fd0c689 | 440 | } |
WiredHome | 115:c9862fd0c689 | 441 | fclose(fh); |
WiredHome | 115:c9862fd0c689 | 442 | return r; // error("jd_decomp error:%d", r); |
WiredHome | 115:c9862fd0c689 | 443 | } |
WiredHome | 115:c9862fd0c689 | 444 | |
WiredHome | 42:7cbdfd2bbfc5 | 445 | RetCode_t GraphicsDisplay::RenderBitmapFile(loc_t x, loc_t y, const char *Name_BMP) |
WiredHome | 42:7cbdfd2bbfc5 | 446 | { |
WiredHome | 42:7cbdfd2bbfc5 | 447 | BITMAPFILEHEADER BMP_Header; |
WiredHome | 42:7cbdfd2bbfc5 | 448 | |
WiredHome | 42:7cbdfd2bbfc5 | 449 | INFO("Opening {%s}", Name_BMP); |
WiredHome | 42:7cbdfd2bbfc5 | 450 | FILE *Image = fopen(Name_BMP, "rb"); |
WiredHome | 42:7cbdfd2bbfc5 | 451 | if (!Image) { |
WiredHome | 42:7cbdfd2bbfc5 | 452 | return(file_not_found); |
WiredHome | 42:7cbdfd2bbfc5 | 453 | } |
WiredHome | 42:7cbdfd2bbfc5 | 454 | |
WiredHome | 42:7cbdfd2bbfc5 | 455 | fread(&BMP_Header, 1, sizeof(BMP_Header), Image); // get the BMP Header |
WiredHome | 42:7cbdfd2bbfc5 | 456 | INFO("bfType %04X", BMP_Header.bfType); |
WiredHome | 59:fb40aad4efd4 | 457 | HexDump("BMP_Header", (uint8_t *)&BMP_Header, sizeof(BMP_Header)); |
WiredHome | 42:7cbdfd2bbfc5 | 458 | if (BMP_Header.bfType != BF_TYPE) { |
WiredHome | 42:7cbdfd2bbfc5 | 459 | fclose(Image); |
WiredHome | 42:7cbdfd2bbfc5 | 460 | return(not_bmp_format); |
WiredHome | 42:7cbdfd2bbfc5 | 461 | } |
WiredHome | 112:325ca91bc03d | 462 | INFO("bfOffits %04X", BMP_Header.bfOffBits); |
WiredHome | 42:7cbdfd2bbfc5 | 463 | RetCode_t rt = _RenderBitmap(x, y, BMP_Header.bfOffBits, Image); |
WiredHome | 42:7cbdfd2bbfc5 | 464 | if (rt != noerror) { |
WiredHome | 42:7cbdfd2bbfc5 | 465 | return rt; |
WiredHome | 42:7cbdfd2bbfc5 | 466 | } else { |
WiredHome | 42:7cbdfd2bbfc5 | 467 | fclose(Image); |
WiredHome | 42:7cbdfd2bbfc5 | 468 | return (noerror); |
WiredHome | 42:7cbdfd2bbfc5 | 469 | } |
WiredHome | 42:7cbdfd2bbfc5 | 470 | } |
WiredHome | 42:7cbdfd2bbfc5 | 471 | |
WiredHome | 42:7cbdfd2bbfc5 | 472 | RetCode_t GraphicsDisplay::RenderIconFile(loc_t x, loc_t y, const char *Name_ICO) |
WiredHome | 42:7cbdfd2bbfc5 | 473 | { |
WiredHome | 42:7cbdfd2bbfc5 | 474 | ICOFILEHEADER ICO_Header; |
WiredHome | 42:7cbdfd2bbfc5 | 475 | ICODIRENTRY ICO_DirEntry; |
WiredHome | 42:7cbdfd2bbfc5 | 476 | |
WiredHome | 42:7cbdfd2bbfc5 | 477 | INFO("Opening {%s}", Name_ICO); |
WiredHome | 42:7cbdfd2bbfc5 | 478 | FILE *Image = fopen(Name_ICO, "rb"); |
WiredHome | 42:7cbdfd2bbfc5 | 479 | if (!Image) { |
WiredHome | 42:7cbdfd2bbfc5 | 480 | return(file_not_found); |
WiredHome | 42:7cbdfd2bbfc5 | 481 | } |
WiredHome | 42:7cbdfd2bbfc5 | 482 | |
WiredHome | 42:7cbdfd2bbfc5 | 483 | fread(&ICO_Header, 1, sizeof(ICO_Header), Image); // get the BMP Header |
WiredHome | 42:7cbdfd2bbfc5 | 484 | HexDump("ICO_Header", (uint8_t *)&ICO_Header, sizeof(ICO_Header)); |
WiredHome | 42:7cbdfd2bbfc5 | 485 | if (ICO_Header.Reserved_zero != 0 |
WiredHome | 42:7cbdfd2bbfc5 | 486 | || ICO_Header.icType != IC_TYPE |
WiredHome | 42:7cbdfd2bbfc5 | 487 | || ICO_Header.icImageCount == 0) { |
WiredHome | 42:7cbdfd2bbfc5 | 488 | fclose(Image); |
WiredHome | 42:7cbdfd2bbfc5 | 489 | return(not_ico_format); |
WiredHome | 42:7cbdfd2bbfc5 | 490 | } |
WiredHome | 42:7cbdfd2bbfc5 | 491 | |
WiredHome | 42:7cbdfd2bbfc5 | 492 | // Read ONLY the first of n possible directory entries. |
WiredHome | 42:7cbdfd2bbfc5 | 493 | fread(&ICO_DirEntry, 1, sizeof(ICO_DirEntry), Image); |
WiredHome | 42:7cbdfd2bbfc5 | 494 | HexDump("ICO_DirEntry", (uint8_t *)&ICO_DirEntry, sizeof(ICO_DirEntry)); |
WiredHome | 42:7cbdfd2bbfc5 | 495 | INFO("biBitCount %04X", ICO_DirEntry.biBitCount); |
WiredHome | 42:7cbdfd2bbfc5 | 496 | if (ICO_DirEntry.biBitCount != 0) { // Expecting this to be zero for ico |
WiredHome | 42:7cbdfd2bbfc5 | 497 | fclose(Image); |
WiredHome | 42:7cbdfd2bbfc5 | 498 | return(not_supported_format); |
WiredHome | 42:7cbdfd2bbfc5 | 499 | } |
WiredHome | 42:7cbdfd2bbfc5 | 500 | |
WiredHome | 42:7cbdfd2bbfc5 | 501 | RetCode_t rt = _RenderBitmap(x, y, ICO_DirEntry.bfOffBits, Image); |
WiredHome | 42:7cbdfd2bbfc5 | 502 | if (rt == noerror) { |
WiredHome | 42:7cbdfd2bbfc5 | 503 | fclose(Image); |
WiredHome | 42:7cbdfd2bbfc5 | 504 | return (noerror); |
WiredHome | 42:7cbdfd2bbfc5 | 505 | } else { |
WiredHome | 42:7cbdfd2bbfc5 | 506 | return rt; |
WiredHome | 42:7cbdfd2bbfc5 | 507 | } |
WiredHome | 42:7cbdfd2bbfc5 | 508 | } |
WiredHome | 42:7cbdfd2bbfc5 | 509 | |
WiredHome | 19:3f82c1161fd2 | 510 | int GraphicsDisplay::columns() |
WiredHome | 19:3f82c1161fd2 | 511 | { |
WiredHome | 19:3f82c1161fd2 | 512 | return width() / 8; |
dreschpe | 0:de9d1462a835 | 513 | } |
dreschpe | 0:de9d1462a835 | 514 | |
WiredHome | 19:3f82c1161fd2 | 515 | int GraphicsDisplay::rows() |
WiredHome | 19:3f82c1161fd2 | 516 | { |
WiredHome | 19:3f82c1161fd2 | 517 | return height() / 8; |
WiredHome | 19:3f82c1161fd2 | 518 | } |