David Smart / RA8875 Featured

Library to control a Graphics TFT connected to 4-wire SPI - revised for the Raio RA8875 Display Controller.

Dependents:   FRDM_RA8875_mPaint RA8875_Demo RA8875_KeyPadDemo SignalGenerator ... more

Fork of SPI_TFT by Peter Drescher

See Components - RA8875 Based Display

Enhanced touch-screen support - where it previous supported both the Resistive Touch and Capacitive Touch based on the FT5206 Touch Controller, now it also has support for the GSL1680 Touch Controller.

Offline Help Manual (Windows chm)

/media/uploads/WiredHome/ra8875.zip.bin (download, rename to .zip and unzip)

GraphicsDisplay.cpp@142:6e9bff59878a, 2017-03-19 (annotated)

Committer:
WiredHome
Date:
Sun Mar 19 21:41:24 2017 +0000
Revision:
142:6e9bff59878a
Parent:
136:224e03d5c31f
Child:
146:373d59f08357
Breaking change on SelectDrawingLayer command, which now returns the previous layer (making it far easier to restore layers).

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 121:6bc4911f5e55 12 //#define DEBUG "GD "
WiredHome 29:422616aa04bd 13 // ...
WiredHome 29:422616aa04bd 14 // INFO("Stuff to show %d", var); // new-line is automatically appended
WiredHome 29:422616aa04bd 15 //
WiredHome 29:422616aa04bd 16 #if (defined(DEBUG) && !defined(TARGET_LPC11U24))
WiredHome 115:c9862fd0c689 17 #define INFO(x, ...) std::printf("[INF %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 115:c9862fd0c689 18 #define WARN(x, ...) std::printf("[WRN %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 115:c9862fd0c689 19 #define ERR(x, ...) std::printf("[ERR %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 98:ecebed9b80b2 20 static void HexDump(const char * title, const uint8_t * p, int count)
WiredHome 31:c72e12cd5c67 21 {
WiredHome 31:c72e12cd5c67 22 int i;
WiredHome 31:c72e12cd5c67 23 char buf[100] = "0000: ";
WiredHome 31:c72e12cd5c67 24
WiredHome 31:c72e12cd5c67 25 if (*title)
WiredHome 31:c72e12cd5c67 26 INFO("%s", title);
WiredHome 31:c72e12cd5c67 27 for (i=0; i<count; ) {
WiredHome 31:c72e12cd5c67 28 sprintf(buf + strlen(buf), "%02X ", *(p+i));
WiredHome 31:c72e12cd5c67 29 if ((++i & 0x0F) == 0x00) {
WiredHome 31:c72e12cd5c67 30 INFO("%s", buf);
WiredHome 31:c72e12cd5c67 31 if (i < count)
WiredHome 31:c72e12cd5c67 32 sprintf(buf, "%04X: ", i);
WiredHome 31:c72e12cd5c67 33 else
WiredHome 31:c72e12cd5c67 34 buf[0] = '\0';
WiredHome 31:c72e12cd5c67 35 }
WiredHome 31:c72e12cd5c67 36 }
WiredHome 31:c72e12cd5c67 37 if (strlen(buf))
WiredHome 31:c72e12cd5c67 38 INFO("%s", buf);
WiredHome 31:c72e12cd5c67 39 }
WiredHome 29:422616aa04bd 40 #else
WiredHome 29:422616aa04bd 41 #define INFO(x, ...)
WiredHome 29:422616aa04bd 42 #define WARN(x, ...)
WiredHome 29:422616aa04bd 43 #define ERR(x, ...)
WiredHome 32:0e4f2ae512e2 44 #define HexDump(a, b, c)
WiredHome 29:422616aa04bd 45 #endif
WiredHome 29:422616aa04bd 46
WiredHome 19:3f82c1161fd2 47
WiredHome 42:7cbdfd2bbfc5 48 char mytolower(char a) {
WiredHome 42:7cbdfd2bbfc5 49 if (a >= 'A' && a <= 'Z')
WiredHome 42:7cbdfd2bbfc5 50 return (a - 'A' + 'a');
WiredHome 42:7cbdfd2bbfc5 51 else
WiredHome 42:7cbdfd2bbfc5 52 return a;
WiredHome 42:7cbdfd2bbfc5 53 }
WiredHome 42:7cbdfd2bbfc5 54 /// mystrnicmp exists because not all compiler libraries have this function.
WiredHome 42:7cbdfd2bbfc5 55 ///
WiredHome 42:7cbdfd2bbfc5 56 /// Some have strnicmp, others _strnicmp, and others have C++ methods, which
WiredHome 42:7cbdfd2bbfc5 57 /// is outside the scope of this C-portable set of functions.
WiredHome 42:7cbdfd2bbfc5 58 ///
WiredHome 42:7cbdfd2bbfc5 59 /// @param l is a pointer to the string on the left
WiredHome 42:7cbdfd2bbfc5 60 /// @param r is a pointer to the string on the right
WiredHome 42:7cbdfd2bbfc5 61 /// @param n is the number of characters to compare
WiredHome 42:7cbdfd2bbfc5 62 /// @returns -1 if l < r
WiredHome 42:7cbdfd2bbfc5 63 /// @returns 0 if l == r
WiredHome 42:7cbdfd2bbfc5 64 /// @returns +1 if l > r
WiredHome 42:7cbdfd2bbfc5 65 ///
WiredHome 42:7cbdfd2bbfc5 66 int mystrnicmp(const char *l, const char *r, size_t n) {
WiredHome 42:7cbdfd2bbfc5 67 int result = 0;
WiredHome 42:7cbdfd2bbfc5 68
WiredHome 42:7cbdfd2bbfc5 69 if (n != 0) {
WiredHome 42:7cbdfd2bbfc5 70 do {
WiredHome 42:7cbdfd2bbfc5 71 result = mytolower(*l++) - mytolower(*r++);
WiredHome 42:7cbdfd2bbfc5 72 } while ((result == 0) && (*l != '\0') && (--n > 0));
WiredHome 42:7cbdfd2bbfc5 73 }
WiredHome 42:7cbdfd2bbfc5 74 if (result < -1)
WiredHome 42:7cbdfd2bbfc5 75 result = -1;
WiredHome 42:7cbdfd2bbfc5 76 else if (result > 1)
WiredHome 42:7cbdfd2bbfc5 77 result = 1;
WiredHome 42:7cbdfd2bbfc5 78 return result;
WiredHome 42:7cbdfd2bbfc5 79 }
WiredHome 42:7cbdfd2bbfc5 80
WiredHome 42:7cbdfd2bbfc5 81
WiredHome 29:422616aa04bd 82 GraphicsDisplay::GraphicsDisplay(const char *name)
WiredHome 29:422616aa04bd 83 : TextDisplay(name)
WiredHome 19:3f82c1161fd2 84 {
WiredHome 29:422616aa04bd 85 font = NULL;
dreschpe 0:de9d1462a835 86 }
WiredHome 19:3f82c1161fd2 87
WiredHome 104:8d1d3832a215 88 //GraphicsDisplay::~GraphicsDisplay()
WiredHome 104:8d1d3832a215 89 //{
WiredHome 104:8d1d3832a215 90 //}
WiredHome 104:8d1d3832a215 91
WiredHome 98:ecebed9b80b2 92 RetCode_t GraphicsDisplay::SelectUserFont(const unsigned char * _font)
WiredHome 29:422616aa04bd 93 {
WiredHome 98:ecebed9b80b2 94 font = _font; // trusting them, but it might be good to put some checks in here...
WiredHome 98:ecebed9b80b2 95 return noerror;
WiredHome 29:422616aa04bd 96 }
WiredHome 98:ecebed9b80b2 97
WiredHome 29:422616aa04bd 98 int GraphicsDisplay::character(int x, int y, int c)
WiredHome 29:422616aa04bd 99 {
WiredHome 101:e0aad446094a 100 return fontblit(x, y, c);
WiredHome 29:422616aa04bd 101 }
WiredHome 19:3f82c1161fd2 102
WiredHome 111:efe436c43aba 103 RetCode_t GraphicsDisplay::window(rect_t r)
WiredHome 19:3f82c1161fd2 104 {
WiredHome 111:efe436c43aba 105 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 106 }
WiredHome 111:efe436c43aba 107
WiredHome 114:dbfb996bfbf3 108 RetCode_t GraphicsDisplay::window(loc_t x, loc_t y, dim_t _width, dim_t _height)
WiredHome 111:efe436c43aba 109 {
WiredHome 114:dbfb996bfbf3 110 if (_width == (dim_t)-1)
WiredHome 114:dbfb996bfbf3 111 _width = width() - x;
WiredHome 114:dbfb996bfbf3 112 if (_height == (dim_t)-1)
WiredHome 114:dbfb996bfbf3 113 _height = height() - y;
WiredHome 114:dbfb996bfbf3 114
WiredHome 111:efe436c43aba 115 // Save the window metrics
WiredHome 111:efe436c43aba 116 windowrect.p1.x = x;
WiredHome 111:efe436c43aba 117 windowrect.p1.y = y;
WiredHome 114:dbfb996bfbf3 118 windowrect.p2.x = x + _width - 1;
WiredHome 114:dbfb996bfbf3 119 windowrect.p2.y = y + _height - 1;
dreschpe 0:de9d1462a835 120 // current pixel location
dreschpe 0:de9d1462a835 121 _x = x;
dreschpe 0:de9d1462a835 122 _y = y;
WiredHome 32:0e4f2ae512e2 123 return noerror;
dreschpe 0:de9d1462a835 124 }
WiredHome 19:3f82c1161fd2 125
WiredHome 79:544eb4964795 126 RetCode_t GraphicsDisplay::WindowMax(void)
WiredHome 31:c72e12cd5c67 127 {
WiredHome 79:544eb4964795 128 return window(0,0, width(),height());
WiredHome 31:c72e12cd5c67 129 }
WiredHome 31:c72e12cd5c67 130
WiredHome 55:dfbabef7003e 131 RetCode_t GraphicsDisplay::_putp(color_t color)
WiredHome 19:3f82c1161fd2 132 {
WiredHome 33:b6b710758ab3 133 pixel(_x, _y, color);
dreschpe 0:de9d1462a835 134 // update pixel location based on window settings
dreschpe 0:de9d1462a835 135 _x++;
WiredHome 111:efe436c43aba 136 if(_x > windowrect.p2.x) {
WiredHome 111:efe436c43aba 137 _x = windowrect.p1.x;
dreschpe 0:de9d1462a835 138 _y++;
WiredHome 111:efe436c43aba 139 if(_y > windowrect.p2.y) {
WiredHome 111:efe436c43aba 140 _y = windowrect.p1.y;
dreschpe 0:de9d1462a835 141 }
dreschpe 0:de9d1462a835 142 }
WiredHome 32:0e4f2ae512e2 143 return noerror;
dreschpe 0:de9d1462a835 144 }
dreschpe 0:de9d1462a835 145
WiredHome 109:7b94f06f085b 146 RetCode_t GraphicsDisplay::fill(loc_t x, loc_t y, dim_t w, dim_t h, color_t color)
WiredHome 19:3f82c1161fd2 147 {
WiredHome 79:544eb4964795 148 return fillrect(x,y, x+w, y+h, color);
dreschpe 0:de9d1462a835 149 }
WiredHome 19:3f82c1161fd2 150
WiredHome 61:8f3153bf0baa 151 RetCode_t GraphicsDisplay::cls(uint16_t layers)
WiredHome 19:3f82c1161fd2 152 {
WiredHome 142:6e9bff59878a 153 int restore = GetDrawingLayer();
WiredHome 142:6e9bff59878a 154 if (layers & 1) {
WiredHome 142:6e9bff59878a 155 SelectDrawingLayer(0);
WiredHome 142:6e9bff59878a 156 fill(0, 0, width(), height(), _background);
WiredHome 142:6e9bff59878a 157 }
WiredHome 142:6e9bff59878a 158 if (layers & 2) {
WiredHome 142:6e9bff59878a 159 SelectDrawingLayer(1);
WiredHome 142:6e9bff59878a 160 fill(0, 0, width(), height(), _background);
WiredHome 142:6e9bff59878a 161 }
WiredHome 142:6e9bff59878a 162 SelectDrawingLayer(restore);
WiredHome 142:6e9bff59878a 163 return noerror;
dreschpe 0:de9d1462a835 164 }
WiredHome 19:3f82c1161fd2 165
WiredHome 109:7b94f06f085b 166 RetCode_t GraphicsDisplay::blit(loc_t x, loc_t y, dim_t w, dim_t h, const int * color)
WiredHome 19:3f82c1161fd2 167 {
WiredHome 111:efe436c43aba 168 rect_t restore = windowrect;
dreschpe 0:de9d1462a835 169 window(x, y, w, h);
WiredHome 37:f19b7e7449dc 170 _StartGraphicsStream();
WiredHome 31:c72e12cd5c67 171 for (int i=0; i<w*h; i++) {
WiredHome 55:dfbabef7003e 172 _putp(color[i]);
dreschpe 0:de9d1462a835 173 }
WiredHome 37:f19b7e7449dc 174 _EndGraphicsStream();
WiredHome 111:efe436c43aba 175 //return WindowMax();
WiredHome 111:efe436c43aba 176 return window(restore);
dreschpe 0:de9d1462a835 177 }
WiredHome 19:3f82c1161fd2 178
WiredHome 98:ecebed9b80b2 179 // 8 byte "info" section
WiredHome 98:ecebed9b80b2 180 //0x00, // unknown ????????
WiredHome 98:ecebed9b80b2 181 //0x00, // unknown ????????
WiredHome 98:ecebed9b80b2 182 //0x20,0x00, // First char 32
WiredHome 98:ecebed9b80b2 183 //0x7F,0x00, // Last char 127
WiredHome 98:ecebed9b80b2 184 //0x25, // Font Height 37
WiredHome 98:ecebed9b80b2 185 //0x00, // Unknown 0 ????????
WiredHome 98:ecebed9b80b2 186 //
WiredHome 98:ecebed9b80b2 187 //0x01,0x88,0x01,0x00 // ' ' is 1 pixel wide, data is at offset 0x0188
WiredHome 98:ecebed9b80b2 188 //0x0B,0xAD,0x01,0x00 // '!' is 11 pixels wide, data is at offset 0x01AD
WiredHome 98:ecebed9b80b2 189 //0x0D,0xF7,0x01,0x00 // '"' is 13 pixels wide, data is at offset 0x01F7
WiredHome 98:ecebed9b80b2 190 //...
WiredHome 98:ecebed9b80b2 191 //0x00,... // ' ' data stream.
WiredHome 98:ecebed9b80b2 192 //0x00,0x06,0x00,0x07,0x80,0x07,0xC0,0x07,0xC0,0x07,0xC0 // '!'
WiredHome 98:ecebed9b80b2 193 //...
WiredHome 101:e0aad446094a 194
WiredHome 101:e0aad446094a 195
WiredHome 109:7b94f06f085b 196 const uint8_t * GraphicsDisplay::getCharMetrics(const unsigned char c, dim_t * width, dim_t * height)
WiredHome 19:3f82c1161fd2 197 {
WiredHome 98:ecebed9b80b2 198 uint16_t offsetToCharLookup;
WiredHome 98:ecebed9b80b2 199 uint16_t firstChar = font[3] * 256 + font[2];
WiredHome 98:ecebed9b80b2 200 uint16_t lastChar = font[5] * 256 + font[4];
WiredHome 109:7b94f06f085b 201 dim_t charHeight = font[6];
WiredHome 98:ecebed9b80b2 202 const unsigned char * charRecord; // width, data, data, data, ...
WiredHome 98:ecebed9b80b2 203
WiredHome 98:ecebed9b80b2 204 INFO("first:%d, last:%d, c:%d", firstChar, lastChar, c);
WiredHome 98:ecebed9b80b2 205 if (c < firstChar || c > lastChar)
WiredHome 101:e0aad446094a 206 return NULL; // advance zero pixels since it was unprintable...
WiredHome 101:e0aad446094a 207
WiredHome 101:e0aad446094a 208 // 8 bytes of preamble to the first level lookup table
WiredHome 101:e0aad446094a 209 offsetToCharLookup = 8 + 4 * (c - firstChar); // 4-bytes: width(pixels), 16-bit offset from table start, 0
WiredHome 109:7b94f06f085b 210 dim_t charWidth = font[offsetToCharLookup];
WiredHome 101:e0aad446094a 211 charRecord = font + font[offsetToCharLookup + 2] * 256 + font[offsetToCharLookup + 1];
WiredHome 101:e0aad446094a 212 //INFO("hgt:%d, wdt:%d", charHeight, charWidth);
WiredHome 101:e0aad446094a 213 if (width)
WiredHome 101:e0aad446094a 214 *width = charWidth;
WiredHome 101:e0aad446094a 215 if (height)
WiredHome 101:e0aad446094a 216 *height = charHeight;
WiredHome 101:e0aad446094a 217 return charRecord;
WiredHome 101:e0aad446094a 218 }
WiredHome 101:e0aad446094a 219
WiredHome 109:7b94f06f085b 220
WiredHome 109:7b94f06f085b 221 int GraphicsDisplay::fontblit(loc_t x, loc_t y, const unsigned char c)
WiredHome 101:e0aad446094a 222 {
WiredHome 109:7b94f06f085b 223 const uint8_t * charRecord; // width, data, data, data, ...
WiredHome 109:7b94f06f085b 224 dim_t charWidth, charHeight;
WiredHome 101:e0aad446094a 225 charRecord = getCharMetrics(c, &charWidth, &charHeight);
WiredHome 101:e0aad446094a 226 if (charRecord) {
WiredHome 101:e0aad446094a 227 INFO("hgt:%d, wdt:%d", charHeight, charWidth);
WiredHome 101:e0aad446094a 228 // clip to the edge of the screen
WiredHome 101:e0aad446094a 229 //if (x + charWidth >= width())
WiredHome 101:e0aad446094a 230 // charWidth = width() - x;
WiredHome 101:e0aad446094a 231 //if (y + charHeight >= height())
WiredHome 101:e0aad446094a 232 // charHeight = height() - y;
WiredHome 109:7b94f06f085b 233 booleanStream(x,y,charWidth, charHeight, charRecord);
WiredHome 101:e0aad446094a 234 return charWidth;
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 31:c72e12cd5c67 316 colorPalette = (RGBQUAD *)malloc(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 32:0e4f2ae512e2 327 lineBuffer = (uint8_t *)malloc(lineBufSize);
WiredHome 31:c72e12cd5c67 328 if (lineBuffer == NULL) {
WiredHome 31:c72e12cd5c67 329 free(colorPalette);
WiredHome 31:c72e12cd5c67 330 fclose(Image);
WiredHome 31:c72e12cd5c67 331 return(not_enough_ram);
WiredHome 31:c72e12cd5c67 332 }
WiredHome 69:636867df24a1 333 pixelBuffer = (color_t *)malloc(PixelWidth * sizeof(color_t));
WiredHome 41:2956a0a221e5 334 if (pixelBuffer == NULL) {
WiredHome 41:2956a0a221e5 335 free(lineBuffer);
WiredHome 69:636867df24a1 336 if (colorPalette)
WiredHome 69:636867df24a1 337 free(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 69:636867df24a1 387 free(pixelBuffer); // don't leak memory
WiredHome 31:c72e12cd5c67 388 free(lineBuffer);
WiredHome 69:636867df24a1 389 if (colorPalette)
WiredHome 69:636867df24a1 390 free(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 115:c9862fd0c689 410 #define JPEG_WORK_SPACE_SIZE 3100
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 115:c9862fd0c689 418
WiredHome 120:be2aaa3adf72 419 //INFO("RenderJpegFile(%d,%d,%s)", x,y, Name_JPG);
WiredHome 121:6bc4911f5e55 420 work = (uint16_t *)malloc(JPEG_WORK_SPACE_SIZE);
WiredHome 121:6bc4911f5e55 421
WiredHome 115:c9862fd0c689 422 if (work) {
WiredHome 115:c9862fd0c689 423 jdec = (JDEC *)malloc(sizeof(JDEC));
WiredHome 115:c9862fd0c689 424 if (jdec) {
WiredHome 120:be2aaa3adf72 425 memset(work, 0, JPEG_WORK_SPACE_SIZE/sizeof(uint16_t));
WiredHome 120:be2aaa3adf72 426 memset(jdec, 0, sizeof(JDEC));
WiredHome 115:c9862fd0c689 427 r = (RetCode_t)jd_prepare(jdec, NULL, work, JPEG_WORK_SPACE_SIZE, fh);
WiredHome 115:c9862fd0c689 428 INFO("jd_prepare returned %d", r);
WiredHome 115:c9862fd0c689 429
WiredHome 115:c9862fd0c689 430 if (r == noerror) {
WiredHome 136:224e03d5c31f 431 img_x = x; // save the origin for the privOutput function
WiredHome 136:224e03d5c31f 432 img_y = y;
WiredHome 115:c9862fd0c689 433 r = (RetCode_t)jd_decomp(jdec, NULL, 0);
WiredHome 115:c9862fd0c689 434 } else {
WiredHome 115:c9862fd0c689 435 r = not_supported_format; // error("jd_prepare error:%d", r);
WiredHome 115:c9862fd0c689 436 }
WiredHome 115:c9862fd0c689 437 free(jdec);
WiredHome 115:c9862fd0c689 438 } else {
WiredHome 115:c9862fd0c689 439 WARN("checkpoint");
WiredHome 115:c9862fd0c689 440 r = not_enough_ram;
WiredHome 115:c9862fd0c689 441 }
WiredHome 115:c9862fd0c689 442 free(work);
WiredHome 115:c9862fd0c689 443 } else {
WiredHome 115:c9862fd0c689 444 WARN("checkpoint");
WiredHome 115:c9862fd0c689 445 r = not_enough_ram;
WiredHome 115:c9862fd0c689 446 }
WiredHome 115:c9862fd0c689 447 fclose(fh);
WiredHome 115:c9862fd0c689 448 return r; // error("jd_decomp error:%d", r);
WiredHome 115:c9862fd0c689 449 }
WiredHome 115:c9862fd0c689 450
WiredHome 42:7cbdfd2bbfc5 451 RetCode_t GraphicsDisplay::RenderBitmapFile(loc_t x, loc_t y, const char *Name_BMP)
WiredHome 42:7cbdfd2bbfc5 452 {
WiredHome 42:7cbdfd2bbfc5 453 BITMAPFILEHEADER BMP_Header;
WiredHome 42:7cbdfd2bbfc5 454
WiredHome 42:7cbdfd2bbfc5 455 INFO("Opening {%s}", Name_BMP);
WiredHome 42:7cbdfd2bbfc5 456 FILE *Image = fopen(Name_BMP, "rb");
WiredHome 42:7cbdfd2bbfc5 457 if (!Image) {
WiredHome 42:7cbdfd2bbfc5 458 return(file_not_found);
WiredHome 42:7cbdfd2bbfc5 459 }
WiredHome 42:7cbdfd2bbfc5 460
WiredHome 42:7cbdfd2bbfc5 461 fread(&BMP_Header, 1, sizeof(BMP_Header), Image); // get the BMP Header
WiredHome 42:7cbdfd2bbfc5 462 INFO("bfType %04X", BMP_Header.bfType);
WiredHome 59:fb40aad4efd4 463 HexDump("BMP_Header", (uint8_t *)&BMP_Header, sizeof(BMP_Header));
WiredHome 42:7cbdfd2bbfc5 464 if (BMP_Header.bfType != BF_TYPE) {
WiredHome 42:7cbdfd2bbfc5 465 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 466 return(not_bmp_format);
WiredHome 42:7cbdfd2bbfc5 467 }
WiredHome 112:325ca91bc03d 468 INFO("bfOffits %04X", BMP_Header.bfOffBits);
WiredHome 42:7cbdfd2bbfc5 469 RetCode_t rt = _RenderBitmap(x, y, BMP_Header.bfOffBits, Image);
WiredHome 42:7cbdfd2bbfc5 470 if (rt != noerror) {
WiredHome 42:7cbdfd2bbfc5 471 return rt;
WiredHome 42:7cbdfd2bbfc5 472 } else {
WiredHome 42:7cbdfd2bbfc5 473 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 474 return (noerror);
WiredHome 42:7cbdfd2bbfc5 475 }
WiredHome 42:7cbdfd2bbfc5 476 }
WiredHome 42:7cbdfd2bbfc5 477
WiredHome 42:7cbdfd2bbfc5 478 RetCode_t GraphicsDisplay::RenderIconFile(loc_t x, loc_t y, const char *Name_ICO)
WiredHome 42:7cbdfd2bbfc5 479 {
WiredHome 42:7cbdfd2bbfc5 480 ICOFILEHEADER ICO_Header;
WiredHome 42:7cbdfd2bbfc5 481 ICODIRENTRY ICO_DirEntry;
WiredHome 42:7cbdfd2bbfc5 482
WiredHome 42:7cbdfd2bbfc5 483 INFO("Opening {%s}", Name_ICO);
WiredHome 42:7cbdfd2bbfc5 484 FILE *Image = fopen(Name_ICO, "rb");
WiredHome 42:7cbdfd2bbfc5 485 if (!Image) {
WiredHome 42:7cbdfd2bbfc5 486 return(file_not_found);
WiredHome 42:7cbdfd2bbfc5 487 }
WiredHome 42:7cbdfd2bbfc5 488
WiredHome 42:7cbdfd2bbfc5 489 fread(&ICO_Header, 1, sizeof(ICO_Header), Image); // get the BMP Header
WiredHome 42:7cbdfd2bbfc5 490 HexDump("ICO_Header", (uint8_t *)&ICO_Header, sizeof(ICO_Header));
WiredHome 42:7cbdfd2bbfc5 491 if (ICO_Header.Reserved_zero != 0
WiredHome 42:7cbdfd2bbfc5 492 || ICO_Header.icType != IC_TYPE
WiredHome 42:7cbdfd2bbfc5 493 || ICO_Header.icImageCount == 0) {
WiredHome 42:7cbdfd2bbfc5 494 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 495 return(not_ico_format);
WiredHome 42:7cbdfd2bbfc5 496 }
WiredHome 42:7cbdfd2bbfc5 497
WiredHome 42:7cbdfd2bbfc5 498 // Read ONLY the first of n possible directory entries.
WiredHome 42:7cbdfd2bbfc5 499 fread(&ICO_DirEntry, 1, sizeof(ICO_DirEntry), Image);
WiredHome 42:7cbdfd2bbfc5 500 HexDump("ICO_DirEntry", (uint8_t *)&ICO_DirEntry, sizeof(ICO_DirEntry));
WiredHome 42:7cbdfd2bbfc5 501 INFO("biBitCount %04X", ICO_DirEntry.biBitCount);
WiredHome 42:7cbdfd2bbfc5 502 if (ICO_DirEntry.biBitCount != 0) { // Expecting this to be zero for ico
WiredHome 42:7cbdfd2bbfc5 503 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 504 return(not_supported_format);
WiredHome 42:7cbdfd2bbfc5 505 }
WiredHome 42:7cbdfd2bbfc5 506
WiredHome 42:7cbdfd2bbfc5 507 RetCode_t rt = _RenderBitmap(x, y, ICO_DirEntry.bfOffBits, Image);
WiredHome 42:7cbdfd2bbfc5 508 if (rt == noerror) {
WiredHome 42:7cbdfd2bbfc5 509 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 510 return (noerror);
WiredHome 42:7cbdfd2bbfc5 511 } else {
WiredHome 42:7cbdfd2bbfc5 512 return rt;
WiredHome 42:7cbdfd2bbfc5 513 }
WiredHome 42:7cbdfd2bbfc5 514 }
WiredHome 42:7cbdfd2bbfc5 515
WiredHome 19:3f82c1161fd2 516 int GraphicsDisplay::columns()
WiredHome 19:3f82c1161fd2 517 {
WiredHome 19:3f82c1161fd2 518 return width() / 8;
dreschpe 0:de9d1462a835 519 }
dreschpe 0:de9d1462a835 520
WiredHome 19:3f82c1161fd2 521 int GraphicsDisplay::rows()
WiredHome 19:3f82c1161fd2 522 {
WiredHome 19:3f82c1161fd2 523 return height() / 8;
WiredHome 19:3f82c1161fd2 524 }