Kerry Martin / RA8875

KSM edits to RA8875

Dependents:   Liz_Test_Code

GraphicsDisplay.cpp@151:ae94daaaf8ad, 2018-04-14 (annotated)

Committer:
WiredHome
Date:
Sat Apr 14 17:48:59 2018 +0000
Revision:
151:ae94daaaf8ad
Parent:
146:373d59f08357 
Add support for scaling soft fonts, using the SetTextFontSize api.

Who changed what in which revision?

UserRevisionLine numberNew 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 142:6e9bff59878a 159 int restore = GetDrawingLayer();
WiredHome 142:6e9bff59878a 160 if (layers & 1) {
WiredHome 142:6e9bff59878a 161 SelectDrawingLayer(0);
WiredHome 142:6e9bff59878a 162 fill(0, 0, width(), height(), _background);
WiredHome 142:6e9bff59878a 163 }
WiredHome 142:6e9bff59878a 164 if (layers & 2) {
WiredHome 142:6e9bff59878a 165 SelectDrawingLayer(1);
WiredHome 142:6e9bff59878a 166 fill(0, 0, width(), height(), _background);
WiredHome 142:6e9bff59878a 167 }
WiredHome 142:6e9bff59878a 168 SelectDrawingLayer(restore);
WiredHome 142:6e9bff59878a 169 return noerror;
dreschpe 0:de9d1462a835 170 }
WiredHome 19:3f82c1161fd2 171
WiredHome 109:7b94f06f085b 172 RetCode_t GraphicsDisplay::blit(loc_t x, loc_t y, dim_t w, dim_t h, const int * color)
WiredHome 19:3f82c1161fd2 173 {
WiredHome 111:efe436c43aba 174 rect_t restore = windowrect;
dreschpe 0:de9d1462a835 175 window(x, y, w, h);
WiredHome 37:f19b7e7449dc 176 _StartGraphicsStream();
WiredHome 31:c72e12cd5c67 177 for (int i=0; i<w*h; i++) {
WiredHome 55:dfbabef7003e 178 _putp(color[i]);
dreschpe 0:de9d1462a835 179 }
WiredHome 37:f19b7e7449dc 180 _EndGraphicsStream();
WiredHome 111:efe436c43aba 181 return window(restore);
dreschpe 0:de9d1462a835 182 }
WiredHome 19:3f82c1161fd2 183
WiredHome 98:ecebed9b80b2 184 // 8 byte "info" section
WiredHome 98:ecebed9b80b2 185 //0x00, // unknown ????????
WiredHome 98:ecebed9b80b2 186 //0x00, // unknown ????????
WiredHome 98:ecebed9b80b2 187 //0x20,0x00, // First char 32
WiredHome 98:ecebed9b80b2 188 //0x7F,0x00, // Last char 127
WiredHome 98:ecebed9b80b2 189 //0x25, // Font Height 37
WiredHome 98:ecebed9b80b2 190 //0x00, // Unknown 0 ????????
WiredHome 98:ecebed9b80b2 191 //
WiredHome 98:ecebed9b80b2 192 //0x01,0x88,0x01,0x00 // ' ' is 1 pixel wide, data is at offset 0x0188
WiredHome 98:ecebed9b80b2 193 //0x0B,0xAD,0x01,0x00 // '!' is 11 pixels wide, data is at offset 0x01AD
WiredHome 98:ecebed9b80b2 194 //0x0D,0xF7,0x01,0x00 // '"' is 13 pixels wide, data is at offset 0x01F7
WiredHome 98:ecebed9b80b2 195 //...
WiredHome 98:ecebed9b80b2 196 //0x00,... // ' ' data stream.
WiredHome 98:ecebed9b80b2 197 //0x00,0x06,0x00,0x07,0x80,0x07,0xC0,0x07,0xC0,0x07,0xC0 // '!'
WiredHome 98:ecebed9b80b2 198 //...
WiredHome 101:e0aad446094a 199
WiredHome 101:e0aad446094a 200
WiredHome 109:7b94f06f085b 201 const uint8_t * GraphicsDisplay::getCharMetrics(const unsigned char c, dim_t * width, dim_t * height)
WiredHome 19:3f82c1161fd2 202 {
WiredHome 98:ecebed9b80b2 203 uint16_t offsetToCharLookup;
WiredHome 98:ecebed9b80b2 204 uint16_t firstChar = font[3] * 256 + font[2];
WiredHome 98:ecebed9b80b2 205 uint16_t lastChar = font[5] * 256 + font[4];
WiredHome 109:7b94f06f085b 206 dim_t charHeight = font[6];
WiredHome 98:ecebed9b80b2 207 const unsigned char * charRecord; // width, data, data, data, ...
WiredHome 98:ecebed9b80b2 208
WiredHome 98:ecebed9b80b2 209 INFO("first:%d, last:%d, c:%d", firstChar, lastChar, c);
WiredHome 98:ecebed9b80b2 210 if (c < firstChar || c > lastChar)
WiredHome 101:e0aad446094a 211 return NULL; // advance zero pixels since it was unprintable...
WiredHome 101:e0aad446094a 212
WiredHome 101:e0aad446094a 213 // 8 bytes of preamble to the first level lookup table
WiredHome 101:e0aad446094a 214 offsetToCharLookup = 8 + 4 * (c - firstChar); // 4-bytes: width(pixels), 16-bit offset from table start, 0
WiredHome 109:7b94f06f085b 215 dim_t charWidth = font[offsetToCharLookup];
WiredHome 101:e0aad446094a 216 charRecord = font + font[offsetToCharLookup + 2] * 256 + font[offsetToCharLookup + 1];
WiredHome 101:e0aad446094a 217 //INFO("hgt:%d, wdt:%d", charHeight, charWidth);
WiredHome 101:e0aad446094a 218 if (width)
WiredHome 101:e0aad446094a 219 *width = charWidth;
WiredHome 101:e0aad446094a 220 if (height)
WiredHome 101:e0aad446094a 221 *height = charHeight;
WiredHome 101:e0aad446094a 222 return charRecord;
WiredHome 101:e0aad446094a 223 }
WiredHome 101:e0aad446094a 224
WiredHome 109:7b94f06f085b 225
WiredHome 109:7b94f06f085b 226 int GraphicsDisplay::fontblit(loc_t x, loc_t y, const unsigned char c)
WiredHome 101:e0aad446094a 227 {
WiredHome 151:ae94daaaf8ad 228 const uint8_t * charRecord; // pointer to char data; width, data, data, data, ...
WiredHome 151:ae94daaaf8ad 229 dim_t charWidth, charHeight; // metrics for the raw char in the font table
WiredHome 101:e0aad446094a 230 charRecord = getCharMetrics(c, &charWidth, &charHeight);
WiredHome 101:e0aad446094a 231 if (charRecord) {
WiredHome 101:e0aad446094a 232 INFO("hgt:%d, wdt:%d", charHeight, charWidth);
WiredHome 109:7b94f06f085b 233 booleanStream(x,y,charWidth, charHeight, charRecord);
WiredHome 151:ae94daaaf8ad 234 return charWidth * fontScaleX;
WiredHome 101:e0aad446094a 235 } else {
WiredHome 101:e0aad446094a 236 return 0;
WiredHome 29:422616aa04bd 237 }
dreschpe 0:de9d1462a835 238 }
dreschpe 0:de9d1462a835 239
WiredHome 31:c72e12cd5c67 240 // BMP Color Palette is BGRx
WiredHome 31:c72e12cd5c67 241 // BBBB BBBB GGGG GGGG RRRR RRRR 0000 0000
WiredHome 31:c72e12cd5c67 242 // RGB16 is
WiredHome 31:c72e12cd5c67 243 // RRRR RGGG GGGB BBBB
WiredHome 31:c72e12cd5c67 244 // swap to little endian
WiredHome 31:c72e12cd5c67 245 // GGGB BBBB RRRR RGGG
WiredHome 32:0e4f2ae512e2 246 color_t GraphicsDisplay::RGBQuadToRGB16(RGBQUAD * colorPalette, uint16_t i)
WiredHome 31:c72e12cd5c67 247 {
WiredHome 31:c72e12cd5c67 248 color_t c;
WiredHome 31:c72e12cd5c67 249
WiredHome 31:c72e12cd5c67 250 c = ((colorPalette[i].rgbBlue >> 3) << 0);
WiredHome 31:c72e12cd5c67 251 c |= ((colorPalette[i].rgbGreen >> 2) << 5);
WiredHome 31:c72e12cd5c67 252 c |= ((colorPalette[i].rgbRed >> 3) << 11);
WiredHome 31:c72e12cd5c67 253 return c;
WiredHome 31:c72e12cd5c67 254 }
WiredHome 29:422616aa04bd 255
WiredHome 93:6fbc516de05e 256 // RGB16 little endian
WiredHome 93:6fbc516de05e 257 // GGGB BBBB RRRR RGGG
WiredHome 93:6fbc516de05e 258 // swap
WiredHome 93:6fbc516de05e 259 // RRRR RGGG GGGB BBBB
WiredHome 93:6fbc516de05e 260 // RRRR R
WiredHome 93:6fbc516de05e 261 // extend to BMP Color Palette is BGRx
WiredHome 93:6fbc516de05e 262 // BBBB BBBB GGGG GGGG RRRR RRRR 0000 0000
WiredHome 41:2956a0a221e5 263 RGBQUAD GraphicsDisplay::RGB16ToRGBQuad(color_t c)
WiredHome 41:2956a0a221e5 264 {
WiredHome 41:2956a0a221e5 265 RGBQUAD q;
WiredHome 41:2956a0a221e5 266
WiredHome 41:2956a0a221e5 267 memset(&q, 0, sizeof(q));
WiredHome 93:6fbc516de05e 268 c = (c << 8) | (c >> 8); // swap
WiredHome 72:ecffe56af969 269 q.rgbBlue = ((c & 0x001F) << 3) | (c & 0x07); /* Blue value */
WiredHome 93:6fbc516de05e 270 q.rgbGreen = ((c & 0x07E0) >> 3) | ((c >> 9) & 0x03); /* Green value */
WiredHome 93:6fbc516de05e 271 q.rgbRed = ((c & 0xF800) >> 8) | ((c >> 13) & 0x07); /* Red value */
WiredHome 41:2956a0a221e5 272 q.rgbReserved = 0;
WiredHome 41:2956a0a221e5 273 return q;
WiredHome 41:2956a0a221e5 274 }
WiredHome 41:2956a0a221e5 275
WiredHome 42:7cbdfd2bbfc5 276 RetCode_t GraphicsDisplay::_RenderBitmap(loc_t x, loc_t y, uint32_t fileOffset, FILE * Image)
WiredHome 31:c72e12cd5c67 277 {
WiredHome 31:c72e12cd5c67 278 BITMAPINFOHEADER BMP_Info;
WiredHome 31:c72e12cd5c67 279 RGBQUAD * colorPalette = NULL;
WiredHome 31:c72e12cd5c67 280 int colorCount;
WiredHome 32:0e4f2ae512e2 281 uint8_t * lineBuffer = NULL;
WiredHome 69:636867df24a1 282 color_t * pixelBuffer = NULL;
WiredHome 31:c72e12cd5c67 283 uint16_t BPP_t;
WiredHome 95:ef538bd687c0 284 dim_t PixelWidth, PixelHeight;
WiredHome 31:c72e12cd5c67 285 unsigned int i, offset;
WiredHome 31:c72e12cd5c67 286 int padd,j;
WiredHome 59:fb40aad4efd4 287 #ifdef DEBUG
WiredHome 112:325ca91bc03d 288 //uint32_t start_data;
WiredHome 59:fb40aad4efd4 289 #endif
WiredHome 31:c72e12cd5c67 290
WiredHome 42:7cbdfd2bbfc5 291 // Now, Read the bitmap info header
WiredHome 31:c72e12cd5c67 292 fread(&BMP_Info, 1, sizeof(BMP_Info), Image);
WiredHome 59:fb40aad4efd4 293 HexDump("BMP_Info", (uint8_t *)&BMP_Info, sizeof(BMP_Info));
WiredHome 31:c72e12cd5c67 294 BPP_t = BMP_Info.biBitCount;
WiredHome 31:c72e12cd5c67 295 INFO("biBitCount %04X", BPP_t);
WiredHome 112:325ca91bc03d 296 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 297 fclose(Image);
WiredHome 31:c72e12cd5c67 298 return(not_supported_format);
WiredHome 31:c72e12cd5c67 299 }
WiredHome 112:325ca91bc03d 300 if (BMP_Info.biCompression != 0) { // Only the "no comporession" option is supported.
WiredHome 112:325ca91bc03d 301 fclose(Image);
WiredHome 112:325ca91bc03d 302 return(not_supported_format);
WiredHome 112:325ca91bc03d 303 }
WiredHome 31:c72e12cd5c67 304 PixelHeight = BMP_Info.biHeight;
WiredHome 31:c72e12cd5c67 305 PixelWidth = BMP_Info.biWidth;
WiredHome 79:544eb4964795 306 INFO("(%d,%d) (%d,%d) (%d,%d)", x,y, PixelWidth,PixelHeight, width(), height());
WiredHome 31:c72e12cd5c67 307 if (PixelHeight > height() + y || PixelWidth > width() + x) {
WiredHome 31:c72e12cd5c67 308 fclose(Image);
WiredHome 31:c72e12cd5c67 309 return(image_too_big);
WiredHome 31:c72e12cd5c67 310 }
WiredHome 31:c72e12cd5c67 311 if (BMP_Info.biBitCount <= 8) {
WiredHome 31:c72e12cd5c67 312 int paletteSize;
WiredHome 31:c72e12cd5c67 313 // Read the color palette
WiredHome 31:c72e12cd5c67 314 colorCount = 1 << BMP_Info.biBitCount;
WiredHome 31:c72e12cd5c67 315 paletteSize = sizeof(RGBQUAD) * colorCount;
WiredHome 145:5eb2492acdda 316 colorPalette = (RGBQUAD *)swMalloc(paletteSize);
WiredHome 31:c72e12cd5c67 317 if (colorPalette == NULL) {
WiredHome 31:c72e12cd5c67 318 fclose(Image);
WiredHome 31:c72e12cd5c67 319 return(not_enough_ram);
WiredHome 31:c72e12cd5c67 320 }
WiredHome 31:c72e12cd5c67 321 fread(colorPalette, 1, paletteSize, Image);
WiredHome 59:fb40aad4efd4 322 HexDump("Color Palette", (uint8_t *)colorPalette, paletteSize);
WiredHome 31:c72e12cd5c67 323 }
WiredHome 31:c72e12cd5c67 324
WiredHome 32:0e4f2ae512e2 325 int lineBufSize = ((BPP_t * PixelWidth + 7)/8);
WiredHome 59:fb40aad4efd4 326 INFO("BPP_t %d, PixelWidth %d, lineBufSize %d", BPP_t, PixelWidth, lineBufSize);
WiredHome 145:5eb2492acdda 327 lineBuffer = (uint8_t *)swMalloc(lineBufSize);
WiredHome 31:c72e12cd5c67 328 if (lineBuffer == NULL) {
WiredHome 145:5eb2492acdda 329 swFree(colorPalette);
WiredHome 31:c72e12cd5c67 330 fclose(Image);
WiredHome 31:c72e12cd5c67 331 return(not_enough_ram);
WiredHome 31:c72e12cd5c67 332 }
WiredHome 145:5eb2492acdda 333 pixelBuffer = (color_t *)swMalloc(PixelWidth * sizeof(color_t));
WiredHome 41:2956a0a221e5 334 if (pixelBuffer == NULL) {
WiredHome 145:5eb2492acdda 335 swFree(lineBuffer);
WiredHome 69:636867df24a1 336 if (colorPalette)
WiredHome 145:5eb2492acdda 337 swFree(colorPalette);
WiredHome 41:2956a0a221e5 338 fclose(Image);
WiredHome 41:2956a0a221e5 339 return(not_enough_ram);
WiredHome 41:2956a0a221e5 340 }
WiredHome 31:c72e12cd5c67 341
WiredHome 112:325ca91bc03d 342 padd = (lineBufSize % 4);
WiredHome 112:325ca91bc03d 343 if (padd)
WiredHome 112:325ca91bc03d 344 padd = 4 - padd;
WiredHome 31:c72e12cd5c67 345
WiredHome 32:0e4f2ae512e2 346 // Define window for top to bottom and left to right so writing auto-wraps
WiredHome 111:efe436c43aba 347 rect_t restore = windowrect;
WiredHome 31:c72e12cd5c67 348 window(x,y, PixelWidth,PixelHeight);
WiredHome 136:224e03d5c31f 349 // SetGraphicsCursor(x, y);
WiredHome 136:224e03d5c31f 350 // _StartGraphicsStream();
WiredHome 112:325ca91bc03d 351
WiredHome 112:325ca91bc03d 352 //start_data = BMP_Info.bfOffBits;
WiredHome 112:325ca91bc03d 353 //HexDump("Raw Data", (uint8_t *)&start_data, 32);
WiredHome 59:fb40aad4efd4 354 INFO("(%d,%d) (%d,%d), [%d,%d]", x,y, PixelWidth,PixelHeight, lineBufSize, padd);
WiredHome 32:0e4f2ae512e2 355 for (j = PixelHeight - 1; j >= 0; j--) { //Lines bottom up
WiredHome 42:7cbdfd2bbfc5 356 offset = fileOffset + j * (lineBufSize + padd); // start of line
WiredHome 31:c72e12cd5c67 357 fseek(Image, offset, SEEK_SET);
WiredHome 32:0e4f2ae512e2 358 fread(lineBuffer, 1, lineBufSize, Image); // read a line - slow !
WiredHome 79:544eb4964795 359 //INFO("offset: %6X", offset);
WiredHome 112:325ca91bc03d 360 //HexDump("Line", lineBuffer, lineBufSize);
WiredHome 32:0e4f2ae512e2 361 for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT
WiredHome 112:325ca91bc03d 362 if (BPP_t == 1) {
WiredHome 112:325ca91bc03d 363 uint8_t dPix = lineBuffer[i/8];
WiredHome 112:325ca91bc03d 364 uint8_t bMask = 0x80 >> (i % 8);
WiredHome 112:325ca91bc03d 365 uint8_t bit = (bMask & dPix) ? 0 : 1;
WiredHome 136:224e03d5c31f 366 pixelBuffer[i] = RGBQuadToRGB16(colorPalette, bit);
WiredHome 112:325ca91bc03d 367 } else if (BPP_t == 4) {
WiredHome 31:c72e12cd5c67 368 uint8_t dPix = lineBuffer[i/2];
WiredHome 31:c72e12cd5c67 369 if ((i & 1) == 0)
WiredHome 31:c72e12cd5c67 370 dPix >>= 4;
WiredHome 31:c72e12cd5c67 371 dPix &= 0x0F;
WiredHome 41:2956a0a221e5 372 pixelBuffer[i] = RGBQuadToRGB16(colorPalette, dPix);
WiredHome 31:c72e12cd5c67 373 } else if (BPP_t == 8) {
WiredHome 41:2956a0a221e5 374 pixelBuffer[i] = RGBQuadToRGB16(colorPalette, lineBuffer[i]);
WiredHome 32:0e4f2ae512e2 375 } else if (BPP_t == 16) {
WiredHome 41:2956a0a221e5 376 pixelBuffer[i] = lineBuffer[i];
WiredHome 32:0e4f2ae512e2 377 } else if (BPP_t == 24) {
WiredHome 37:f19b7e7449dc 378 color_t color;
WiredHome 32:0e4f2ae512e2 379 color = RGB(lineBuffer[i*3+2], lineBuffer[i*3+1], lineBuffer[i*3+0]);
WiredHome 41:2956a0a221e5 380 pixelBuffer[i] = color;
WiredHome 31:c72e12cd5c67 381 }
WiredHome 31:c72e12cd5c67 382 }
WiredHome 41:2956a0a221e5 383 pixelStream(pixelBuffer, PixelWidth, x, y++);
WiredHome 31:c72e12cd5c67 384 }
WiredHome 136:224e03d5c31f 385 // _EndGraphicsStream();
WiredHome 111:efe436c43aba 386 window(restore);
WiredHome 145:5eb2492acdda 387 swFree(pixelBuffer); // don't leak memory
WiredHome 145:5eb2492acdda 388 swFree(lineBuffer);
WiredHome 69:636867df24a1 389 if (colorPalette)
WiredHome 145:5eb2492acdda 390 swFree(colorPalette);
WiredHome 32:0e4f2ae512e2 391 return (noerror);
WiredHome 31:c72e12cd5c67 392 }
WiredHome 31:c72e12cd5c67 393
WiredHome 42:7cbdfd2bbfc5 394
WiredHome 42:7cbdfd2bbfc5 395 RetCode_t GraphicsDisplay::RenderImageFile(loc_t x, loc_t y, const char *FileName)
WiredHome 42:7cbdfd2bbfc5 396 {
WiredHome 42:7cbdfd2bbfc5 397 if (mystrnicmp(FileName + strlen(FileName) - 4, ".bmp", 4) == 0) {
WiredHome 42:7cbdfd2bbfc5 398 return RenderBitmapFile(x,y,FileName);
WiredHome 115:c9862fd0c689 399 } else if (mystrnicmp(FileName + strlen(FileName) - 4, ".jpg", 4) == 0) {
WiredHome 115:c9862fd0c689 400 return RenderJpegFile(x,y,FileName);
WiredHome 42:7cbdfd2bbfc5 401 } else if (mystrnicmp(FileName + strlen(FileName) - 4, ".ico", 4) == 0) {
WiredHome 42:7cbdfd2bbfc5 402 return RenderIconFile(x,y,FileName);
WiredHome 42:7cbdfd2bbfc5 403 } else {
WiredHome 42:7cbdfd2bbfc5 404 return not_supported_format;
WiredHome 42:7cbdfd2bbfc5 405 }
WiredHome 42:7cbdfd2bbfc5 406 }
WiredHome 42:7cbdfd2bbfc5 407
WiredHome 115:c9862fd0c689 408 RetCode_t GraphicsDisplay::RenderJpegFile(loc_t x, loc_t y, const char *Name_JPG)
WiredHome 115:c9862fd0c689 409 {
WiredHome 145:5eb2492acdda 410 #define JPEG_WORK_SPACE_SIZE 3100 // Worst case requirements for the decompression
WiredHome 115:c9862fd0c689 411 JDEC * jdec;
WiredHome 115:c9862fd0c689 412 uint16_t * work;
WiredHome 115:c9862fd0c689 413 RetCode_t r = noerror; // start optimistic
WiredHome 115:c9862fd0c689 414 FILE * fh = fopen(Name_JPG, "rb");
WiredHome 115:c9862fd0c689 415
WiredHome 115:c9862fd0c689 416 if (!fh)
WiredHome 115:c9862fd0c689 417 return(file_not_found);
WiredHome 120:be2aaa3adf72 418 //INFO("RenderJpegFile(%d,%d,%s)", x,y, Name_JPG);
WiredHome 145:5eb2492acdda 419 work = (uint16_t *)swMalloc(JPEG_WORK_SPACE_SIZE);
WiredHome 115:c9862fd0c689 420 if (work) {
WiredHome 145:5eb2492acdda 421 jdec = (JDEC *)swMalloc(sizeof(JDEC));
WiredHome 115:c9862fd0c689 422 if (jdec) {
WiredHome 120:be2aaa3adf72 423 memset(work, 0, JPEG_WORK_SPACE_SIZE/sizeof(uint16_t));
WiredHome 120:be2aaa3adf72 424 memset(jdec, 0, sizeof(JDEC));
WiredHome 115:c9862fd0c689 425 r = (RetCode_t)jd_prepare(jdec, NULL, work, JPEG_WORK_SPACE_SIZE, fh);
WiredHome 115:c9862fd0c689 426 INFO("jd_prepare returned %d", r);
WiredHome 115:c9862fd0c689 427
WiredHome 115:c9862fd0c689 428 if (r == noerror) {
WiredHome 136:224e03d5c31f 429 img_x = x; // save the origin for the privOutput function
WiredHome 136:224e03d5c31f 430 img_y = y;
WiredHome 115:c9862fd0c689 431 r = (RetCode_t)jd_decomp(jdec, NULL, 0);
WiredHome 115:c9862fd0c689 432 } else {
WiredHome 115:c9862fd0c689 433 r = not_supported_format; // error("jd_prepare error:%d", r);
WiredHome 115:c9862fd0c689 434 }
WiredHome 145:5eb2492acdda 435 swFree(jdec);
WiredHome 115:c9862fd0c689 436 } else {
WiredHome 115:c9862fd0c689 437 WARN("checkpoint");
WiredHome 115:c9862fd0c689 438 r = not_enough_ram;
WiredHome 115:c9862fd0c689 439 }
WiredHome 145:5eb2492acdda 440 swFree(work);
WiredHome 115:c9862fd0c689 441 } else {
WiredHome 115:c9862fd0c689 442 WARN("checkpoint");
WiredHome 115:c9862fd0c689 443 r = not_enough_ram;
WiredHome 115:c9862fd0c689 444 }
WiredHome 115:c9862fd0c689 445 fclose(fh);
WiredHome 115:c9862fd0c689 446 return r; // error("jd_decomp error:%d", r);
WiredHome 115:c9862fd0c689 447 }
WiredHome 115:c9862fd0c689 448
WiredHome 42:7cbdfd2bbfc5 449 RetCode_t GraphicsDisplay::RenderBitmapFile(loc_t x, loc_t y, const char *Name_BMP)
WiredHome 42:7cbdfd2bbfc5 450 {
WiredHome 42:7cbdfd2bbfc5 451 BITMAPFILEHEADER BMP_Header;
WiredHome 42:7cbdfd2bbfc5 452
WiredHome 42:7cbdfd2bbfc5 453 INFO("Opening {%s}", Name_BMP);
WiredHome 42:7cbdfd2bbfc5 454 FILE *Image = fopen(Name_BMP, "rb");
WiredHome 42:7cbdfd2bbfc5 455 if (!Image) {
WiredHome 42:7cbdfd2bbfc5 456 return(file_not_found);
WiredHome 42:7cbdfd2bbfc5 457 }
WiredHome 42:7cbdfd2bbfc5 458
WiredHome 42:7cbdfd2bbfc5 459 fread(&BMP_Header, 1, sizeof(BMP_Header), Image); // get the BMP Header
WiredHome 42:7cbdfd2bbfc5 460 INFO("bfType %04X", BMP_Header.bfType);
WiredHome 59:fb40aad4efd4 461 HexDump("BMP_Header", (uint8_t *)&BMP_Header, sizeof(BMP_Header));
WiredHome 42:7cbdfd2bbfc5 462 if (BMP_Header.bfType != BF_TYPE) {
WiredHome 42:7cbdfd2bbfc5 463 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 464 return(not_bmp_format);
WiredHome 42:7cbdfd2bbfc5 465 }
WiredHome 112:325ca91bc03d 466 INFO("bfOffits %04X", BMP_Header.bfOffBits);
WiredHome 42:7cbdfd2bbfc5 467 RetCode_t rt = _RenderBitmap(x, y, BMP_Header.bfOffBits, Image);
WiredHome 42:7cbdfd2bbfc5 468 if (rt != noerror) {
WiredHome 42:7cbdfd2bbfc5 469 return rt;
WiredHome 42:7cbdfd2bbfc5 470 } else {
WiredHome 42:7cbdfd2bbfc5 471 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 472 return (noerror);
WiredHome 42:7cbdfd2bbfc5 473 }
WiredHome 42:7cbdfd2bbfc5 474 }
WiredHome 42:7cbdfd2bbfc5 475
WiredHome 42:7cbdfd2bbfc5 476 RetCode_t GraphicsDisplay::RenderIconFile(loc_t x, loc_t y, const char *Name_ICO)
WiredHome 42:7cbdfd2bbfc5 477 {
WiredHome 42:7cbdfd2bbfc5 478 ICOFILEHEADER ICO_Header;
WiredHome 42:7cbdfd2bbfc5 479 ICODIRENTRY ICO_DirEntry;
WiredHome 42:7cbdfd2bbfc5 480
WiredHome 42:7cbdfd2bbfc5 481 INFO("Opening {%s}", Name_ICO);
WiredHome 42:7cbdfd2bbfc5 482 FILE *Image = fopen(Name_ICO, "rb");
WiredHome 42:7cbdfd2bbfc5 483 if (!Image) {
WiredHome 42:7cbdfd2bbfc5 484 return(file_not_found);
WiredHome 42:7cbdfd2bbfc5 485 }
WiredHome 42:7cbdfd2bbfc5 486
WiredHome 42:7cbdfd2bbfc5 487 fread(&ICO_Header, 1, sizeof(ICO_Header), Image); // get the BMP Header
WiredHome 42:7cbdfd2bbfc5 488 HexDump("ICO_Header", (uint8_t *)&ICO_Header, sizeof(ICO_Header));
WiredHome 42:7cbdfd2bbfc5 489 if (ICO_Header.Reserved_zero != 0
WiredHome 42:7cbdfd2bbfc5 490 || ICO_Header.icType != IC_TYPE
WiredHome 42:7cbdfd2bbfc5 491 || ICO_Header.icImageCount == 0) {
WiredHome 42:7cbdfd2bbfc5 492 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 493 return(not_ico_format);
WiredHome 42:7cbdfd2bbfc5 494 }
WiredHome 42:7cbdfd2bbfc5 495
WiredHome 42:7cbdfd2bbfc5 496 // Read ONLY the first of n possible directory entries.
WiredHome 42:7cbdfd2bbfc5 497 fread(&ICO_DirEntry, 1, sizeof(ICO_DirEntry), Image);
WiredHome 42:7cbdfd2bbfc5 498 HexDump("ICO_DirEntry", (uint8_t *)&ICO_DirEntry, sizeof(ICO_DirEntry));
WiredHome 42:7cbdfd2bbfc5 499 INFO("biBitCount %04X", ICO_DirEntry.biBitCount);
WiredHome 42:7cbdfd2bbfc5 500 if (ICO_DirEntry.biBitCount != 0) { // Expecting this to be zero for ico
WiredHome 42:7cbdfd2bbfc5 501 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 502 return(not_supported_format);
WiredHome 42:7cbdfd2bbfc5 503 }
WiredHome 42:7cbdfd2bbfc5 504
WiredHome 42:7cbdfd2bbfc5 505 RetCode_t rt = _RenderBitmap(x, y, ICO_DirEntry.bfOffBits, Image);
WiredHome 42:7cbdfd2bbfc5 506 if (rt == noerror) {
WiredHome 42:7cbdfd2bbfc5 507 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 508 return (noerror);
WiredHome 42:7cbdfd2bbfc5 509 } else {
WiredHome 42:7cbdfd2bbfc5 510 return rt;
WiredHome 42:7cbdfd2bbfc5 511 }
WiredHome 42:7cbdfd2bbfc5 512 }
WiredHome 42:7cbdfd2bbfc5 513
WiredHome 19:3f82c1161fd2 514 int GraphicsDisplay::columns()
WiredHome 19:3f82c1161fd2 515 {
WiredHome 19:3f82c1161fd2 516 return width() / 8;
dreschpe 0:de9d1462a835 517 }
dreschpe 0:de9d1462a835 518
WiredHome 19:3f82c1161fd2 519 int GraphicsDisplay::rows()
WiredHome 19:3f82c1161fd2 520 {
WiredHome 19:3f82c1161fd2 521 return height() / 8;
WiredHome 19:3f82c1161fd2 522 }