Kerry Martin / RA8875

KSM edits to RA8875

Dependents:   Liz_Test_Code

GraphicsDisplay.cpp@167:8aa3fb2a5a31, 2019-02-26 (annotated)

Committer:
WiredHome
Date:
Tue Feb 26 19:52:57 2019 +0000
Revision:
167:8aa3fb2a5a31
Parent:
162:a2d7f1988711 
Documentation update to the script in the Fonts/FontMods.h file to improve the understanding of what it does.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:de9d1462a835 1 /* mbed GraphicsDisplay Display Library Base Class
WiredHome 167:8aa3fb2a5a31 2 * Copyright © 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
WiredHome 153:8a85efb3eb71 6 * 201807 Scalable soft-fonts and gif support
WiredHome 153:8a85efb3eb71 7 *
dreschpe 0:de9d1462a835 8 */
WiredHome 19:3f82c1161fd2 9
dreschpe 0:de9d1462a835 10 #include "GraphicsDisplay.h"
WiredHome 31:c72e12cd5c67 11 #include "Bitmap.h"
WiredHome 42:7cbdfd2bbfc5 12 #include "string.h"
dreschpe 0:de9d1462a835 13
WiredHome 145:5eb2492acdda 14 //#include "Utility.h" // private memory manager
WiredHome 145:5eb2492acdda 15 #ifndef UTILITY_H
WiredHome 145:5eb2492acdda 16 #define swMalloc malloc // use the standard
WiredHome 145:5eb2492acdda 17 #define swFree free
WiredHome 145:5eb2492acdda 18 #endif
WiredHome 145:5eb2492acdda 19
WiredHome 121:6bc4911f5e55 20 //#define DEBUG "GD "
WiredHome 29:422616aa04bd 21 // ...
WiredHome 29:422616aa04bd 22 // INFO("Stuff to show %d", var); // new-line is automatically appended
WiredHome 29:422616aa04bd 23 //
WiredHome 29:422616aa04bd 24 #if (defined(DEBUG) && !defined(TARGET_LPC11U24))
WiredHome 115:c9862fd0c689 25 #define INFO(x, ...) std::printf("[INF %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 115:c9862fd0c689 26 #define WARN(x, ...) std::printf("[WRN %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 115:c9862fd0c689 27 #define ERR(x, ...) std::printf("[ERR %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 98:ecebed9b80b2 28 static void HexDump(const char * title, const uint8_t * p, int count)
WiredHome 31:c72e12cd5c67 29 {
WiredHome 31:c72e12cd5c67 30 int i;
WiredHome 31:c72e12cd5c67 31 char buf[100] = "0000: ";
WiredHome 31:c72e12cd5c67 32
WiredHome 31:c72e12cd5c67 33 if (*title)
WiredHome 31:c72e12cd5c67 34 INFO("%s", title);
WiredHome 31:c72e12cd5c67 35 for (i=0; i<count; ) {
WiredHome 31:c72e12cd5c67 36 sprintf(buf + strlen(buf), "%02X ", *(p+i));
WiredHome 31:c72e12cd5c67 37 if ((++i & 0x0F) == 0x00) {
WiredHome 31:c72e12cd5c67 38 INFO("%s", buf);
WiredHome 31:c72e12cd5c67 39 if (i < count)
WiredHome 31:c72e12cd5c67 40 sprintf(buf, "%04X: ", i);
WiredHome 31:c72e12cd5c67 41 else
WiredHome 31:c72e12cd5c67 42 buf[0] = '\0';
WiredHome 31:c72e12cd5c67 43 }
WiredHome 31:c72e12cd5c67 44 }
WiredHome 31:c72e12cd5c67 45 if (strlen(buf))
WiredHome 31:c72e12cd5c67 46 INFO("%s", buf);
WiredHome 31:c72e12cd5c67 47 }
WiredHome 29:422616aa04bd 48 #else
WiredHome 29:422616aa04bd 49 #define INFO(x, ...)
WiredHome 29:422616aa04bd 50 #define WARN(x, ...)
WiredHome 29:422616aa04bd 51 #define ERR(x, ...)
WiredHome 32:0e4f2ae512e2 52 #define HexDump(a, b, c)
WiredHome 29:422616aa04bd 53 #endif
WiredHome 29:422616aa04bd 54
WiredHome 19:3f82c1161fd2 55
WiredHome 42:7cbdfd2bbfc5 56 char mytolower(char a) {
WiredHome 42:7cbdfd2bbfc5 57 if (a >= 'A' && a <= 'Z')
WiredHome 42:7cbdfd2bbfc5 58 return (a - 'A' + 'a');
WiredHome 42:7cbdfd2bbfc5 59 else
WiredHome 42:7cbdfd2bbfc5 60 return a;
WiredHome 42:7cbdfd2bbfc5 61 }
WiredHome 42:7cbdfd2bbfc5 62 /// mystrnicmp exists because not all compiler libraries have this function.
WiredHome 42:7cbdfd2bbfc5 63 ///
WiredHome 42:7cbdfd2bbfc5 64 /// Some have strnicmp, others _strnicmp, and others have C++ methods, which
WiredHome 42:7cbdfd2bbfc5 65 /// is outside the scope of this C-portable set of functions.
WiredHome 42:7cbdfd2bbfc5 66 ///
WiredHome 42:7cbdfd2bbfc5 67 /// @param l is a pointer to the string on the left
WiredHome 42:7cbdfd2bbfc5 68 /// @param r is a pointer to the string on the right
WiredHome 42:7cbdfd2bbfc5 69 /// @param n is the number of characters to compare
WiredHome 42:7cbdfd2bbfc5 70 /// @returns -1 if l < r
WiredHome 42:7cbdfd2bbfc5 71 /// @returns 0 if l == r
WiredHome 42:7cbdfd2bbfc5 72 /// @returns +1 if l > r
WiredHome 42:7cbdfd2bbfc5 73 ///
WiredHome 42:7cbdfd2bbfc5 74 int mystrnicmp(const char *l, const char *r, size_t n) {
WiredHome 42:7cbdfd2bbfc5 75 int result = 0;
WiredHome 42:7cbdfd2bbfc5 76
WiredHome 42:7cbdfd2bbfc5 77 if (n != 0) {
WiredHome 42:7cbdfd2bbfc5 78 do {
WiredHome 42:7cbdfd2bbfc5 79 result = mytolower(*l++) - mytolower(*r++);
WiredHome 42:7cbdfd2bbfc5 80 } while ((result == 0) && (*l != '\0') && (--n > 0));
WiredHome 42:7cbdfd2bbfc5 81 }
WiredHome 42:7cbdfd2bbfc5 82 if (result < -1)
WiredHome 42:7cbdfd2bbfc5 83 result = -1;
WiredHome 42:7cbdfd2bbfc5 84 else if (result > 1)
WiredHome 42:7cbdfd2bbfc5 85 result = 1;
WiredHome 42:7cbdfd2bbfc5 86 return result;
WiredHome 42:7cbdfd2bbfc5 87 }
WiredHome 42:7cbdfd2bbfc5 88
WiredHome 42:7cbdfd2bbfc5 89
WiredHome 29:422616aa04bd 90 GraphicsDisplay::GraphicsDisplay(const char *name)
WiredHome 29:422616aa04bd 91 : TextDisplay(name)
WiredHome 19:3f82c1161fd2 92 {
WiredHome 29:422616aa04bd 93 font = NULL;
WiredHome 152:a013ac0133e4 94 global_color_table = NULL;
WiredHome 152:a013ac0133e4 95 local_color_table = NULL;
WiredHome 152:a013ac0133e4 96 screen_descriptor_isvalid = false;
dreschpe 0:de9d1462a835 97 }
WiredHome 19:3f82c1161fd2 98
WiredHome 104:8d1d3832a215 99 //GraphicsDisplay::~GraphicsDisplay()
WiredHome 104:8d1d3832a215 100 //{
WiredHome 104:8d1d3832a215 101 //}
WiredHome 104:8d1d3832a215 102
WiredHome 98:ecebed9b80b2 103 RetCode_t GraphicsDisplay::SelectUserFont(const unsigned char * _font)
WiredHome 29:422616aa04bd 104 {
WiredHome 98:ecebed9b80b2 105 font = _font; // trusting them, but it might be good to put some checks in here...
WiredHome 98:ecebed9b80b2 106 return noerror;
WiredHome 29:422616aa04bd 107 }
WiredHome 98:ecebed9b80b2 108
WiredHome 29:422616aa04bd 109 int GraphicsDisplay::character(int x, int y, int c)
WiredHome 29:422616aa04bd 110 {
WiredHome 101:e0aad446094a 111 return fontblit(x, y, c);
WiredHome 29:422616aa04bd 112 }
WiredHome 19:3f82c1161fd2 113
WiredHome 111:efe436c43aba 114 RetCode_t GraphicsDisplay::window(rect_t r)
WiredHome 19:3f82c1161fd2 115 {
WiredHome 111:efe436c43aba 116 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 117 }
WiredHome 111:efe436c43aba 118
WiredHome 114:dbfb996bfbf3 119 RetCode_t GraphicsDisplay::window(loc_t x, loc_t y, dim_t _width, dim_t _height)
WiredHome 111:efe436c43aba 120 {
WiredHome 114:dbfb996bfbf3 121 if (_width == (dim_t)-1)
WiredHome 114:dbfb996bfbf3 122 _width = width() - x;
WiredHome 114:dbfb996bfbf3 123 if (_height == (dim_t)-1)
WiredHome 114:dbfb996bfbf3 124 _height = height() - y;
WiredHome 114:dbfb996bfbf3 125
WiredHome 111:efe436c43aba 126 // Save the window metrics
WiredHome 111:efe436c43aba 127 windowrect.p1.x = x;
WiredHome 111:efe436c43aba 128 windowrect.p1.y = y;
WiredHome 114:dbfb996bfbf3 129 windowrect.p2.x = x + _width - 1;
WiredHome 114:dbfb996bfbf3 130 windowrect.p2.y = y + _height - 1;
dreschpe 0:de9d1462a835 131 // current pixel location
dreschpe 0:de9d1462a835 132 _x = x;
dreschpe 0:de9d1462a835 133 _y = y;
WiredHome 32:0e4f2ae512e2 134 return noerror;
dreschpe 0:de9d1462a835 135 }
WiredHome 19:3f82c1161fd2 136
WiredHome 79:544eb4964795 137 RetCode_t GraphicsDisplay::WindowMax(void)
WiredHome 31:c72e12cd5c67 138 {
WiredHome 79:544eb4964795 139 return window(0,0, width(),height());
WiredHome 31:c72e12cd5c67 140 }
WiredHome 31:c72e12cd5c67 141
WiredHome 55:dfbabef7003e 142 RetCode_t GraphicsDisplay::_putp(color_t color)
WiredHome 19:3f82c1161fd2 143 {
WiredHome 33:b6b710758ab3 144 pixel(_x, _y, color);
dreschpe 0:de9d1462a835 145 // update pixel location based on window settings
dreschpe 0:de9d1462a835 146 _x++;
WiredHome 111:efe436c43aba 147 if(_x > windowrect.p2.x) {
WiredHome 111:efe436c43aba 148 _x = windowrect.p1.x;
dreschpe 0:de9d1462a835 149 _y++;
WiredHome 111:efe436c43aba 150 if(_y > windowrect.p2.y) {
WiredHome 111:efe436c43aba 151 _y = windowrect.p1.y;
dreschpe 0:de9d1462a835 152 }
dreschpe 0:de9d1462a835 153 }
WiredHome 32:0e4f2ae512e2 154 return noerror;
dreschpe 0:de9d1462a835 155 }
dreschpe 0:de9d1462a835 156
WiredHome 109:7b94f06f085b 157 RetCode_t GraphicsDisplay::fill(loc_t x, loc_t y, dim_t w, dim_t h, color_t color)
WiredHome 19:3f82c1161fd2 158 {
WiredHome 79:544eb4964795 159 return fillrect(x,y, x+w, y+h, color);
dreschpe 0:de9d1462a835 160 }
WiredHome 19:3f82c1161fd2 161
WiredHome 61:8f3153bf0baa 162 RetCode_t GraphicsDisplay::cls(uint16_t layers)
WiredHome 19:3f82c1161fd2 163 {
WiredHome 142:6e9bff59878a 164 int restore = GetDrawingLayer();
WiredHome 142:6e9bff59878a 165 if (layers & 1) {
WiredHome 142:6e9bff59878a 166 SelectDrawingLayer(0);
WiredHome 142:6e9bff59878a 167 fill(0, 0, width(), height(), _background);
WiredHome 142:6e9bff59878a 168 }
WiredHome 142:6e9bff59878a 169 if (layers & 2) {
WiredHome 142:6e9bff59878a 170 SelectDrawingLayer(1);
WiredHome 142:6e9bff59878a 171 fill(0, 0, width(), height(), _background);
WiredHome 142:6e9bff59878a 172 }
WiredHome 142:6e9bff59878a 173 SelectDrawingLayer(restore);
WiredHome 142:6e9bff59878a 174 return noerror;
dreschpe 0:de9d1462a835 175 }
WiredHome 19:3f82c1161fd2 176
WiredHome 109:7b94f06f085b 177 RetCode_t GraphicsDisplay::blit(loc_t x, loc_t y, dim_t w, dim_t h, const int * color)
WiredHome 19:3f82c1161fd2 178 {
WiredHome 111:efe436c43aba 179 rect_t restore = windowrect;
dreschpe 0:de9d1462a835 180 window(x, y, w, h);
WiredHome 37:f19b7e7449dc 181 _StartGraphicsStream();
WiredHome 31:c72e12cd5c67 182 for (int i=0; i<w*h; i++) {
WiredHome 55:dfbabef7003e 183 _putp(color[i]);
dreschpe 0:de9d1462a835 184 }
WiredHome 37:f19b7e7449dc 185 _EndGraphicsStream();
WiredHome 111:efe436c43aba 186 return window(restore);
dreschpe 0:de9d1462a835 187 }
WiredHome 19:3f82c1161fd2 188
WiredHome 98:ecebed9b80b2 189 // 8 byte "info" section
WiredHome 98:ecebed9b80b2 190 //0x00, // unknown ????????
WiredHome 98:ecebed9b80b2 191 //0x00, // unknown ????????
WiredHome 98:ecebed9b80b2 192 //0x20,0x00, // First char 32
WiredHome 98:ecebed9b80b2 193 //0x7F,0x00, // Last char 127
WiredHome 98:ecebed9b80b2 194 //0x25, // Font Height 37
WiredHome 98:ecebed9b80b2 195 //0x00, // Unknown 0 ????????
WiredHome 98:ecebed9b80b2 196 //
WiredHome 98:ecebed9b80b2 197 //0x01,0x88,0x01,0x00 // ' ' is 1 pixel wide, data is at offset 0x0188
WiredHome 98:ecebed9b80b2 198 //0x0B,0xAD,0x01,0x00 // '!' is 11 pixels wide, data is at offset 0x01AD
WiredHome 98:ecebed9b80b2 199 //0x0D,0xF7,0x01,0x00 // '"' is 13 pixels wide, data is at offset 0x01F7
WiredHome 98:ecebed9b80b2 200 //...
WiredHome 98:ecebed9b80b2 201 //0x00,... // ' ' data stream.
WiredHome 98:ecebed9b80b2 202 //0x00,0x06,0x00,0x07,0x80,0x07,0xC0,0x07,0xC0,0x07,0xC0 // '!'
WiredHome 98:ecebed9b80b2 203 //...
WiredHome 101:e0aad446094a 204
WiredHome 101:e0aad446094a 205
WiredHome 109:7b94f06f085b 206 const uint8_t * GraphicsDisplay::getCharMetrics(const unsigned char c, dim_t * width, dim_t * height)
WiredHome 19:3f82c1161fd2 207 {
WiredHome 98:ecebed9b80b2 208 uint16_t offsetToCharLookup;
WiredHome 98:ecebed9b80b2 209 uint16_t firstChar = font[3] * 256 + font[2];
WiredHome 98:ecebed9b80b2 210 uint16_t lastChar = font[5] * 256 + font[4];
WiredHome 109:7b94f06f085b 211 dim_t charHeight = font[6];
WiredHome 98:ecebed9b80b2 212 const unsigned char * charRecord; // width, data, data, data, ...
WiredHome 98:ecebed9b80b2 213
WiredHome 98:ecebed9b80b2 214 INFO("first:%d, last:%d, c:%d", firstChar, lastChar, c);
WiredHome 98:ecebed9b80b2 215 if (c < firstChar || c > lastChar)
WiredHome 101:e0aad446094a 216 return NULL; // advance zero pixels since it was unprintable...
WiredHome 101:e0aad446094a 217
WiredHome 101:e0aad446094a 218 // 8 bytes of preamble to the first level lookup table
WiredHome 101:e0aad446094a 219 offsetToCharLookup = 8 + 4 * (c - firstChar); // 4-bytes: width(pixels), 16-bit offset from table start, 0
WiredHome 109:7b94f06f085b 220 dim_t charWidth = font[offsetToCharLookup];
WiredHome 101:e0aad446094a 221 charRecord = font + font[offsetToCharLookup + 2] * 256 + font[offsetToCharLookup + 1];
WiredHome 101:e0aad446094a 222 //INFO("hgt:%d, wdt:%d", charHeight, charWidth);
WiredHome 101:e0aad446094a 223 if (width)
WiredHome 101:e0aad446094a 224 *width = charWidth;
WiredHome 101:e0aad446094a 225 if (height)
WiredHome 101:e0aad446094a 226 *height = charHeight;
WiredHome 101:e0aad446094a 227 return charRecord;
WiredHome 101:e0aad446094a 228 }
WiredHome 101:e0aad446094a 229
WiredHome 109:7b94f06f085b 230
WiredHome 109:7b94f06f085b 231 int GraphicsDisplay::fontblit(loc_t x, loc_t y, const unsigned char c)
WiredHome 101:e0aad446094a 232 {
WiredHome 153:8a85efb3eb71 233 const uint8_t * charRecord; // pointer to char data; width, data, data, data, ...
WiredHome 153:8a85efb3eb71 234 dim_t charWidth, charHeight; // metrics for the raw char in the font table
WiredHome 101:e0aad446094a 235 charRecord = getCharMetrics(c, &charWidth, &charHeight);
WiredHome 101:e0aad446094a 236 if (charRecord) {
WiredHome 101:e0aad446094a 237 INFO("hgt:%d, wdt:%d", charHeight, charWidth);
WiredHome 109:7b94f06f085b 238 booleanStream(x,y,charWidth, charHeight, charRecord);
WiredHome 153:8a85efb3eb71 239 return charWidth * fontScaleX;
WiredHome 101:e0aad446094a 240 } else {
WiredHome 101:e0aad446094a 241 return 0;
WiredHome 29:422616aa04bd 242 }
dreschpe 0:de9d1462a835 243 }
dreschpe 0:de9d1462a835 244
WiredHome 31:c72e12cd5c67 245 // BMP Color Palette is BGRx
WiredHome 31:c72e12cd5c67 246 // BBBB BBBB GGGG GGGG RRRR RRRR 0000 0000
WiredHome 31:c72e12cd5c67 247 // RGB16 is
WiredHome 31:c72e12cd5c67 248 // RRRR RGGG GGGB BBBB
WiredHome 31:c72e12cd5c67 249 // swap to little endian
WiredHome 31:c72e12cd5c67 250 // GGGB BBBB RRRR RGGG
WiredHome 32:0e4f2ae512e2 251 color_t GraphicsDisplay::RGBQuadToRGB16(RGBQUAD * colorPalette, uint16_t i)
WiredHome 31:c72e12cd5c67 252 {
WiredHome 31:c72e12cd5c67 253 color_t c;
WiredHome 31:c72e12cd5c67 254
WiredHome 31:c72e12cd5c67 255 c = ((colorPalette[i].rgbBlue >> 3) << 0);
WiredHome 31:c72e12cd5c67 256 c |= ((colorPalette[i].rgbGreen >> 2) << 5);
WiredHome 31:c72e12cd5c67 257 c |= ((colorPalette[i].rgbRed >> 3) << 11);
WiredHome 31:c72e12cd5c67 258 return c;
WiredHome 31:c72e12cd5c67 259 }
WiredHome 29:422616aa04bd 260
WiredHome 93:6fbc516de05e 261 // RGB16 little endian
WiredHome 93:6fbc516de05e 262 // GGGB BBBB RRRR RGGG
WiredHome 93:6fbc516de05e 263 // swap
WiredHome 93:6fbc516de05e 264 // RRRR RGGG GGGB BBBB
WiredHome 93:6fbc516de05e 265 // RRRR R
WiredHome 93:6fbc516de05e 266 // extend to BMP Color Palette is BGRx
WiredHome 93:6fbc516de05e 267 // BBBB BBBB GGGG GGGG RRRR RRRR 0000 0000
WiredHome 41:2956a0a221e5 268 RGBQUAD GraphicsDisplay::RGB16ToRGBQuad(color_t c)
WiredHome 41:2956a0a221e5 269 {
WiredHome 41:2956a0a221e5 270 RGBQUAD q;
WiredHome 41:2956a0a221e5 271
WiredHome 41:2956a0a221e5 272 memset(&q, 0, sizeof(q));
WiredHome 162:a2d7f1988711 273 //c = (c << 8) | (c >> 8); // swap
WiredHome 72:ecffe56af969 274 q.rgbBlue = ((c & 0x001F) << 3) | (c & 0x07); /* Blue value */
WiredHome 93:6fbc516de05e 275 q.rgbGreen = ((c & 0x07E0) >> 3) | ((c >> 9) & 0x03); /* Green value */
WiredHome 93:6fbc516de05e 276 q.rgbRed = ((c & 0xF800) >> 8) | ((c >> 13) & 0x07); /* Red value */
WiredHome 41:2956a0a221e5 277 q.rgbReserved = 0;
WiredHome 41:2956a0a221e5 278 return q;
WiredHome 41:2956a0a221e5 279 }
WiredHome 41:2956a0a221e5 280
WiredHome 42:7cbdfd2bbfc5 281 RetCode_t GraphicsDisplay::_RenderBitmap(loc_t x, loc_t y, uint32_t fileOffset, FILE * Image)
WiredHome 31:c72e12cd5c67 282 {
WiredHome 31:c72e12cd5c67 283 BITMAPINFOHEADER BMP_Info;
WiredHome 31:c72e12cd5c67 284 RGBQUAD * colorPalette = NULL;
WiredHome 31:c72e12cd5c67 285 int colorCount;
WiredHome 32:0e4f2ae512e2 286 uint8_t * lineBuffer = NULL;
WiredHome 69:636867df24a1 287 color_t * pixelBuffer = NULL;
WiredHome 31:c72e12cd5c67 288 uint16_t BPP_t;
WiredHome 95:ef538bd687c0 289 dim_t PixelWidth, PixelHeight;
WiredHome 31:c72e12cd5c67 290 unsigned int i, offset;
WiredHome 31:c72e12cd5c67 291 int padd,j;
WiredHome 59:fb40aad4efd4 292 #ifdef DEBUG
WiredHome 112:325ca91bc03d 293 //uint32_t start_data;
WiredHome 59:fb40aad4efd4 294 #endif
WiredHome 31:c72e12cd5c67 295
WiredHome 42:7cbdfd2bbfc5 296 // Now, Read the bitmap info header
WiredHome 31:c72e12cd5c67 297 fread(&BMP_Info, 1, sizeof(BMP_Info), Image);
WiredHome 59:fb40aad4efd4 298 HexDump("BMP_Info", (uint8_t *)&BMP_Info, sizeof(BMP_Info));
WiredHome 31:c72e12cd5c67 299 BPP_t = BMP_Info.biBitCount;
WiredHome 31:c72e12cd5c67 300 INFO("biBitCount %04X", BPP_t);
WiredHome 112:325ca91bc03d 301 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 302 fclose(Image);
WiredHome 31:c72e12cd5c67 303 return(not_supported_format);
WiredHome 31:c72e12cd5c67 304 }
WiredHome 112:325ca91bc03d 305 if (BMP_Info.biCompression != 0) { // Only the "no comporession" option is supported.
WiredHome 112:325ca91bc03d 306 fclose(Image);
WiredHome 112:325ca91bc03d 307 return(not_supported_format);
WiredHome 112:325ca91bc03d 308 }
WiredHome 31:c72e12cd5c67 309 PixelHeight = BMP_Info.biHeight;
WiredHome 31:c72e12cd5c67 310 PixelWidth = BMP_Info.biWidth;
WiredHome 79:544eb4964795 311 INFO("(%d,%d) (%d,%d) (%d,%d)", x,y, PixelWidth,PixelHeight, width(), height());
WiredHome 31:c72e12cd5c67 312 if (PixelHeight > height() + y || PixelWidth > width() + x) {
WiredHome 31:c72e12cd5c67 313 fclose(Image);
WiredHome 31:c72e12cd5c67 314 return(image_too_big);
WiredHome 31:c72e12cd5c67 315 }
WiredHome 31:c72e12cd5c67 316 if (BMP_Info.biBitCount <= 8) {
WiredHome 31:c72e12cd5c67 317 int paletteSize;
WiredHome 31:c72e12cd5c67 318 // Read the color palette
WiredHome 31:c72e12cd5c67 319 colorCount = 1 << BMP_Info.biBitCount;
WiredHome 31:c72e12cd5c67 320 paletteSize = sizeof(RGBQUAD) * colorCount;
WiredHome 145:5eb2492acdda 321 colorPalette = (RGBQUAD *)swMalloc(paletteSize);
WiredHome 31:c72e12cd5c67 322 if (colorPalette == NULL) {
WiredHome 31:c72e12cd5c67 323 fclose(Image);
WiredHome 31:c72e12cd5c67 324 return(not_enough_ram);
WiredHome 31:c72e12cd5c67 325 }
WiredHome 31:c72e12cd5c67 326 fread(colorPalette, 1, paletteSize, Image);
WiredHome 59:fb40aad4efd4 327 HexDump("Color Palette", (uint8_t *)colorPalette, paletteSize);
WiredHome 31:c72e12cd5c67 328 }
WiredHome 31:c72e12cd5c67 329
WiredHome 32:0e4f2ae512e2 330 int lineBufSize = ((BPP_t * PixelWidth + 7)/8);
WiredHome 59:fb40aad4efd4 331 INFO("BPP_t %d, PixelWidth %d, lineBufSize %d", BPP_t, PixelWidth, lineBufSize);
WiredHome 145:5eb2492acdda 332 lineBuffer = (uint8_t *)swMalloc(lineBufSize);
WiredHome 31:c72e12cd5c67 333 if (lineBuffer == NULL) {
WiredHome 145:5eb2492acdda 334 swFree(colorPalette);
WiredHome 31:c72e12cd5c67 335 fclose(Image);
WiredHome 31:c72e12cd5c67 336 return(not_enough_ram);
WiredHome 31:c72e12cd5c67 337 }
WiredHome 145:5eb2492acdda 338 pixelBuffer = (color_t *)swMalloc(PixelWidth * sizeof(color_t));
WiredHome 41:2956a0a221e5 339 if (pixelBuffer == NULL) {
WiredHome 145:5eb2492acdda 340 swFree(lineBuffer);
WiredHome 69:636867df24a1 341 if (colorPalette)
WiredHome 145:5eb2492acdda 342 swFree(colorPalette);
WiredHome 41:2956a0a221e5 343 fclose(Image);
WiredHome 41:2956a0a221e5 344 return(not_enough_ram);
WiredHome 41:2956a0a221e5 345 }
WiredHome 31:c72e12cd5c67 346
WiredHome 112:325ca91bc03d 347 padd = (lineBufSize % 4);
WiredHome 112:325ca91bc03d 348 if (padd)
WiredHome 112:325ca91bc03d 349 padd = 4 - padd;
WiredHome 31:c72e12cd5c67 350
WiredHome 32:0e4f2ae512e2 351 // Define window for top to bottom and left to right so writing auto-wraps
WiredHome 111:efe436c43aba 352 rect_t restore = windowrect;
WiredHome 31:c72e12cd5c67 353 window(x,y, PixelWidth,PixelHeight);
WiredHome 136:224e03d5c31f 354 // SetGraphicsCursor(x, y);
WiredHome 136:224e03d5c31f 355 // _StartGraphicsStream();
WiredHome 112:325ca91bc03d 356
WiredHome 112:325ca91bc03d 357 //start_data = BMP_Info.bfOffBits;
WiredHome 112:325ca91bc03d 358 //HexDump("Raw Data", (uint8_t *)&start_data, 32);
WiredHome 59:fb40aad4efd4 359 INFO("(%d,%d) (%d,%d), [%d,%d]", x,y, PixelWidth,PixelHeight, lineBufSize, padd);
WiredHome 32:0e4f2ae512e2 360 for (j = PixelHeight - 1; j >= 0; j--) { //Lines bottom up
WiredHome 42:7cbdfd2bbfc5 361 offset = fileOffset + j * (lineBufSize + padd); // start of line
WiredHome 31:c72e12cd5c67 362 fseek(Image, offset, SEEK_SET);
WiredHome 32:0e4f2ae512e2 363 fread(lineBuffer, 1, lineBufSize, Image); // read a line - slow !
WiredHome 79:544eb4964795 364 //INFO("offset: %6X", offset);
WiredHome 112:325ca91bc03d 365 //HexDump("Line", lineBuffer, lineBufSize);
WiredHome 32:0e4f2ae512e2 366 for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT
WiredHome 112:325ca91bc03d 367 if (BPP_t == 1) {
WiredHome 112:325ca91bc03d 368 uint8_t dPix = lineBuffer[i/8];
WiredHome 112:325ca91bc03d 369 uint8_t bMask = 0x80 >> (i % 8);
WiredHome 112:325ca91bc03d 370 uint8_t bit = (bMask & dPix) ? 0 : 1;
WiredHome 136:224e03d5c31f 371 pixelBuffer[i] = RGBQuadToRGB16(colorPalette, bit);
WiredHome 112:325ca91bc03d 372 } else if (BPP_t == 4) {
WiredHome 31:c72e12cd5c67 373 uint8_t dPix = lineBuffer[i/2];
WiredHome 31:c72e12cd5c67 374 if ((i & 1) == 0)
WiredHome 31:c72e12cd5c67 375 dPix >>= 4;
WiredHome 31:c72e12cd5c67 376 dPix &= 0x0F;
WiredHome 41:2956a0a221e5 377 pixelBuffer[i] = RGBQuadToRGB16(colorPalette, dPix);
WiredHome 31:c72e12cd5c67 378 } else if (BPP_t == 8) {
WiredHome 41:2956a0a221e5 379 pixelBuffer[i] = RGBQuadToRGB16(colorPalette, lineBuffer[i]);
WiredHome 32:0e4f2ae512e2 380 } else if (BPP_t == 16) {
WiredHome 41:2956a0a221e5 381 pixelBuffer[i] = lineBuffer[i];
WiredHome 32:0e4f2ae512e2 382 } else if (BPP_t == 24) {
WiredHome 37:f19b7e7449dc 383 color_t color;
WiredHome 32:0e4f2ae512e2 384 color = RGB(lineBuffer[i*3+2], lineBuffer[i*3+1], lineBuffer[i*3+0]);
WiredHome 41:2956a0a221e5 385 pixelBuffer[i] = color;
WiredHome 31:c72e12cd5c67 386 }
WiredHome 31:c72e12cd5c67 387 }
WiredHome 41:2956a0a221e5 388 pixelStream(pixelBuffer, PixelWidth, x, y++);
WiredHome 31:c72e12cd5c67 389 }
WiredHome 136:224e03d5c31f 390 // _EndGraphicsStream();
WiredHome 111:efe436c43aba 391 window(restore);
WiredHome 145:5eb2492acdda 392 swFree(pixelBuffer); // don't leak memory
WiredHome 145:5eb2492acdda 393 swFree(lineBuffer);
WiredHome 69:636867df24a1 394 if (colorPalette)
WiredHome 145:5eb2492acdda 395 swFree(colorPalette);
WiredHome 32:0e4f2ae512e2 396 return (noerror);
WiredHome 31:c72e12cd5c67 397 }
WiredHome 31:c72e12cd5c67 398
WiredHome 42:7cbdfd2bbfc5 399
WiredHome 42:7cbdfd2bbfc5 400 RetCode_t GraphicsDisplay::RenderImageFile(loc_t x, loc_t y, const char *FileName)
WiredHome 42:7cbdfd2bbfc5 401 {
WiredHome 42:7cbdfd2bbfc5 402 if (mystrnicmp(FileName + strlen(FileName) - 4, ".bmp", 4) == 0) {
WiredHome 42:7cbdfd2bbfc5 403 return RenderBitmapFile(x,y,FileName);
WiredHome 115:c9862fd0c689 404 } else if (mystrnicmp(FileName + strlen(FileName) - 4, ".jpg", 4) == 0) {
WiredHome 115:c9862fd0c689 405 return RenderJpegFile(x,y,FileName);
WiredHome 42:7cbdfd2bbfc5 406 } else if (mystrnicmp(FileName + strlen(FileName) - 4, ".ico", 4) == 0) {
WiredHome 42:7cbdfd2bbfc5 407 return RenderIconFile(x,y,FileName);
WiredHome 152:a013ac0133e4 408 } else if (mystrnicmp(FileName + strlen(FileName) - 4, ".gif", 4) == 0) {
WiredHome 152:a013ac0133e4 409 return RenderGIFFile(x,y,FileName);
WiredHome 42:7cbdfd2bbfc5 410 } else {
WiredHome 42:7cbdfd2bbfc5 411 return not_supported_format;
WiredHome 42:7cbdfd2bbfc5 412 }
WiredHome 42:7cbdfd2bbfc5 413 }
WiredHome 42:7cbdfd2bbfc5 414
WiredHome 115:c9862fd0c689 415 RetCode_t GraphicsDisplay::RenderJpegFile(loc_t x, loc_t y, const char *Name_JPG)
WiredHome 115:c9862fd0c689 416 {
WiredHome 145:5eb2492acdda 417 #define JPEG_WORK_SPACE_SIZE 3100 // Worst case requirements for the decompression
WiredHome 115:c9862fd0c689 418 JDEC * jdec;
WiredHome 115:c9862fd0c689 419 uint16_t * work;
WiredHome 115:c9862fd0c689 420 RetCode_t r = noerror; // start optimistic
WiredHome 115:c9862fd0c689 421 FILE * fh = fopen(Name_JPG, "rb");
WiredHome 115:c9862fd0c689 422
WiredHome 115:c9862fd0c689 423 if (!fh)
WiredHome 115:c9862fd0c689 424 return(file_not_found);
WiredHome 120:be2aaa3adf72 425 //INFO("RenderJpegFile(%d,%d,%s)", x,y, Name_JPG);
WiredHome 145:5eb2492acdda 426 work = (uint16_t *)swMalloc(JPEG_WORK_SPACE_SIZE);
WiredHome 115:c9862fd0c689 427 if (work) {
WiredHome 145:5eb2492acdda 428 jdec = (JDEC *)swMalloc(sizeof(JDEC));
WiredHome 115:c9862fd0c689 429 if (jdec) {
WiredHome 120:be2aaa3adf72 430 memset(work, 0, JPEG_WORK_SPACE_SIZE/sizeof(uint16_t));
WiredHome 120:be2aaa3adf72 431 memset(jdec, 0, sizeof(JDEC));
WiredHome 115:c9862fd0c689 432 r = (RetCode_t)jd_prepare(jdec, NULL, work, JPEG_WORK_SPACE_SIZE, fh);
WiredHome 115:c9862fd0c689 433 INFO("jd_prepare returned %d", r);
WiredHome 115:c9862fd0c689 434
WiredHome 115:c9862fd0c689 435 if (r == noerror) {
WiredHome 136:224e03d5c31f 436 img_x = x; // save the origin for the privOutput function
WiredHome 136:224e03d5c31f 437 img_y = y;
WiredHome 115:c9862fd0c689 438 r = (RetCode_t)jd_decomp(jdec, NULL, 0);
WiredHome 115:c9862fd0c689 439 } else {
WiredHome 115:c9862fd0c689 440 r = not_supported_format; // error("jd_prepare error:%d", r);
WiredHome 115:c9862fd0c689 441 }
WiredHome 145:5eb2492acdda 442 swFree(jdec);
WiredHome 115:c9862fd0c689 443 } else {
WiredHome 115:c9862fd0c689 444 WARN("checkpoint");
WiredHome 115:c9862fd0c689 445 r = not_enough_ram;
WiredHome 115:c9862fd0c689 446 }
WiredHome 145:5eb2492acdda 447 swFree(work);
WiredHome 115:c9862fd0c689 448 } else {
WiredHome 115:c9862fd0c689 449 WARN("checkpoint");
WiredHome 115:c9862fd0c689 450 r = not_enough_ram;
WiredHome 115:c9862fd0c689 451 }
WiredHome 115:c9862fd0c689 452 fclose(fh);
WiredHome 115:c9862fd0c689 453 return r; // error("jd_decomp error:%d", r);
WiredHome 115:c9862fd0c689 454 }
WiredHome 115:c9862fd0c689 455
WiredHome 42:7cbdfd2bbfc5 456 RetCode_t GraphicsDisplay::RenderBitmapFile(loc_t x, loc_t y, const char *Name_BMP)
WiredHome 42:7cbdfd2bbfc5 457 {
WiredHome 42:7cbdfd2bbfc5 458 BITMAPFILEHEADER BMP_Header;
WiredHome 42:7cbdfd2bbfc5 459
WiredHome 42:7cbdfd2bbfc5 460 INFO("Opening {%s}", Name_BMP);
WiredHome 42:7cbdfd2bbfc5 461 FILE *Image = fopen(Name_BMP, "rb");
WiredHome 42:7cbdfd2bbfc5 462 if (!Image) {
WiredHome 42:7cbdfd2bbfc5 463 return(file_not_found);
WiredHome 42:7cbdfd2bbfc5 464 }
WiredHome 42:7cbdfd2bbfc5 465
WiredHome 42:7cbdfd2bbfc5 466 fread(&BMP_Header, 1, sizeof(BMP_Header), Image); // get the BMP Header
WiredHome 42:7cbdfd2bbfc5 467 INFO("bfType %04X", BMP_Header.bfType);
WiredHome 59:fb40aad4efd4 468 HexDump("BMP_Header", (uint8_t *)&BMP_Header, sizeof(BMP_Header));
WiredHome 42:7cbdfd2bbfc5 469 if (BMP_Header.bfType != BF_TYPE) {
WiredHome 42:7cbdfd2bbfc5 470 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 471 return(not_bmp_format);
WiredHome 42:7cbdfd2bbfc5 472 }
WiredHome 112:325ca91bc03d 473 INFO("bfOffits %04X", BMP_Header.bfOffBits);
WiredHome 42:7cbdfd2bbfc5 474 RetCode_t rt = _RenderBitmap(x, y, BMP_Header.bfOffBits, Image);
WiredHome 42:7cbdfd2bbfc5 475 if (rt != noerror) {
WiredHome 42:7cbdfd2bbfc5 476 return rt;
WiredHome 42:7cbdfd2bbfc5 477 } else {
WiredHome 42:7cbdfd2bbfc5 478 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 479 return (noerror);
WiredHome 42:7cbdfd2bbfc5 480 }
WiredHome 42:7cbdfd2bbfc5 481 }
WiredHome 42:7cbdfd2bbfc5 482
WiredHome 42:7cbdfd2bbfc5 483 RetCode_t GraphicsDisplay::RenderIconFile(loc_t x, loc_t y, const char *Name_ICO)
WiredHome 42:7cbdfd2bbfc5 484 {
WiredHome 42:7cbdfd2bbfc5 485 ICOFILEHEADER ICO_Header;
WiredHome 42:7cbdfd2bbfc5 486 ICODIRENTRY ICO_DirEntry;
WiredHome 42:7cbdfd2bbfc5 487
WiredHome 42:7cbdfd2bbfc5 488 INFO("Opening {%s}", Name_ICO);
WiredHome 42:7cbdfd2bbfc5 489 FILE *Image = fopen(Name_ICO, "rb");
WiredHome 42:7cbdfd2bbfc5 490 if (!Image) {
WiredHome 42:7cbdfd2bbfc5 491 return(file_not_found);
WiredHome 42:7cbdfd2bbfc5 492 }
WiredHome 42:7cbdfd2bbfc5 493
WiredHome 42:7cbdfd2bbfc5 494 fread(&ICO_Header, 1, sizeof(ICO_Header), Image); // get the BMP Header
WiredHome 42:7cbdfd2bbfc5 495 HexDump("ICO_Header", (uint8_t *)&ICO_Header, sizeof(ICO_Header));
WiredHome 42:7cbdfd2bbfc5 496 if (ICO_Header.Reserved_zero != 0
WiredHome 42:7cbdfd2bbfc5 497 || ICO_Header.icType != IC_TYPE
WiredHome 42:7cbdfd2bbfc5 498 || ICO_Header.icImageCount == 0) {
WiredHome 42:7cbdfd2bbfc5 499 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 500 return(not_ico_format);
WiredHome 42:7cbdfd2bbfc5 501 }
WiredHome 42:7cbdfd2bbfc5 502
WiredHome 42:7cbdfd2bbfc5 503 // Read ONLY the first of n possible directory entries.
WiredHome 42:7cbdfd2bbfc5 504 fread(&ICO_DirEntry, 1, sizeof(ICO_DirEntry), Image);
WiredHome 42:7cbdfd2bbfc5 505 HexDump("ICO_DirEntry", (uint8_t *)&ICO_DirEntry, sizeof(ICO_DirEntry));
WiredHome 42:7cbdfd2bbfc5 506 INFO("biBitCount %04X", ICO_DirEntry.biBitCount);
WiredHome 42:7cbdfd2bbfc5 507 if (ICO_DirEntry.biBitCount != 0) { // Expecting this to be zero for ico
WiredHome 42:7cbdfd2bbfc5 508 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 509 return(not_supported_format);
WiredHome 42:7cbdfd2bbfc5 510 }
WiredHome 42:7cbdfd2bbfc5 511
WiredHome 42:7cbdfd2bbfc5 512 RetCode_t rt = _RenderBitmap(x, y, ICO_DirEntry.bfOffBits, Image);
WiredHome 42:7cbdfd2bbfc5 513 if (rt == noerror) {
WiredHome 42:7cbdfd2bbfc5 514 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 515 return (noerror);
WiredHome 42:7cbdfd2bbfc5 516 } else {
WiredHome 42:7cbdfd2bbfc5 517 return rt;
WiredHome 42:7cbdfd2bbfc5 518 }
WiredHome 42:7cbdfd2bbfc5 519 }
WiredHome 42:7cbdfd2bbfc5 520
WiredHome 19:3f82c1161fd2 521 int GraphicsDisplay::columns()
WiredHome 19:3f82c1161fd2 522 {
WiredHome 19:3f82c1161fd2 523 return width() / 8;
dreschpe 0:de9d1462a835 524 }
dreschpe 0:de9d1462a835 525
WiredHome 19:3f82c1161fd2 526 int GraphicsDisplay::rows()
WiredHome 19:3f82c1161fd2 527 {
WiredHome 19:3f82c1161fd2 528 return height() / 8;
WiredHome 19:3f82c1161fd2 529 }