Kerry Martin / RA8875

KSM edits to RA8875

Dependents:   Liz_Test_Code

GraphicsDisplay.cpp@109:7b94f06f085b, 2016-03-05 (annotated)

Committer:
WiredHome
Date:
Sat Mar 05 19:22:13 2016 +0000
Revision:
109:7b94f06f085b
Parent:
104:8d1d3832a215
Child:
111:efe436c43aba
Updated some data types to more consistently use loc_t and dim_t.

; Added a booleanStream api which is handy for soft fonts. It takes a pixel stream and translates it to forecolor and backcolor.

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 42:7cbdfd2bbfc5 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 29:422616aa04bd 17 #define INFO(x, ...) std::printf("[INF %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 29:422616aa04bd 18 #define WARN(x, ...) std::printf("[WRN %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 29:422616aa04bd 19 #define ERR(x, ...) std::printf("[ERR %s %3d] "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 37:f19b7e7449dc 103 RetCode_t GraphicsDisplay::window(loc_t x, loc_t y, dim_t w, dim_t h)
WiredHome 19:3f82c1161fd2 104 {
dreschpe 0:de9d1462a835 105 // current pixel location
dreschpe 0:de9d1462a835 106 _x = x;
dreschpe 0:de9d1462a835 107 _y = y;
dreschpe 0:de9d1462a835 108 // window settings
dreschpe 0:de9d1462a835 109 _x1 = x;
dreschpe 0:de9d1462a835 110 _x2 = x + w - 1;
dreschpe 0:de9d1462a835 111 _y1 = y;
dreschpe 0:de9d1462a835 112 _y2 = y + h - 1;
WiredHome 32:0e4f2ae512e2 113 return noerror;
dreschpe 0:de9d1462a835 114 }
WiredHome 19:3f82c1161fd2 115
WiredHome 79:544eb4964795 116 RetCode_t GraphicsDisplay::WindowMax(void)
WiredHome 31:c72e12cd5c67 117 {
WiredHome 79:544eb4964795 118 return window(0,0, width(),height());
WiredHome 31:c72e12cd5c67 119 }
WiredHome 31:c72e12cd5c67 120
WiredHome 55:dfbabef7003e 121 RetCode_t GraphicsDisplay::_putp(color_t color)
WiredHome 19:3f82c1161fd2 122 {
WiredHome 33:b6b710758ab3 123 pixel(_x, _y, color);
dreschpe 0:de9d1462a835 124 // update pixel location based on window settings
dreschpe 0:de9d1462a835 125 _x++;
dreschpe 0:de9d1462a835 126 if(_x > _x2) {
dreschpe 0:de9d1462a835 127 _x = _x1;
dreschpe 0:de9d1462a835 128 _y++;
dreschpe 0:de9d1462a835 129 if(_y > _y2) {
dreschpe 0:de9d1462a835 130 _y = _y1;
dreschpe 0:de9d1462a835 131 }
dreschpe 0:de9d1462a835 132 }
WiredHome 32:0e4f2ae512e2 133 return noerror;
dreschpe 0:de9d1462a835 134 }
dreschpe 0:de9d1462a835 135
WiredHome 109:7b94f06f085b 136 RetCode_t GraphicsDisplay::fill(loc_t x, loc_t y, dim_t w, dim_t h, color_t color)
WiredHome 19:3f82c1161fd2 137 {
WiredHome 79:544eb4964795 138 return fillrect(x,y, x+w, y+h, color);
dreschpe 0:de9d1462a835 139 }
WiredHome 19:3f82c1161fd2 140
WiredHome 61:8f3153bf0baa 141 RetCode_t GraphicsDisplay::cls(uint16_t layers)
WiredHome 19:3f82c1161fd2 142 {
WiredHome 79:544eb4964795 143 return fill(0, 0, width(), height(), _background);
dreschpe 0:de9d1462a835 144 }
WiredHome 19:3f82c1161fd2 145
WiredHome 109:7b94f06f085b 146 RetCode_t GraphicsDisplay::blit(loc_t x, loc_t y, dim_t w, dim_t h, const int * color)
WiredHome 19:3f82c1161fd2 147 {
dreschpe 0:de9d1462a835 148 window(x, y, w, h);
WiredHome 37:f19b7e7449dc 149 _StartGraphicsStream();
WiredHome 31:c72e12cd5c67 150 for (int i=0; i<w*h; i++) {
WiredHome 55:dfbabef7003e 151 _putp(color[i]);
dreschpe 0:de9d1462a835 152 }
WiredHome 37:f19b7e7449dc 153 _EndGraphicsStream();
WiredHome 79:544eb4964795 154 return WindowMax();
dreschpe 0:de9d1462a835 155 }
WiredHome 19:3f82c1161fd2 156
WiredHome 98:ecebed9b80b2 157 // 8 byte "info" section
WiredHome 98:ecebed9b80b2 158 //0x00, // unknown ????????
WiredHome 98:ecebed9b80b2 159 //0x00, // unknown ????????
WiredHome 98:ecebed9b80b2 160 //0x20,0x00, // First char 32
WiredHome 98:ecebed9b80b2 161 //0x7F,0x00, // Last char 127
WiredHome 98:ecebed9b80b2 162 //0x25, // Font Height 37
WiredHome 98:ecebed9b80b2 163 //0x00, // Unknown 0 ????????
WiredHome 98:ecebed9b80b2 164 //
WiredHome 98:ecebed9b80b2 165 //0x01,0x88,0x01,0x00 // ' ' is 1 pixel wide, data is at offset 0x0188
WiredHome 98:ecebed9b80b2 166 //0x0B,0xAD,0x01,0x00 // '!' is 11 pixels wide, data is at offset 0x01AD
WiredHome 98:ecebed9b80b2 167 //0x0D,0xF7,0x01,0x00 // '"' is 13 pixels wide, data is at offset 0x01F7
WiredHome 98:ecebed9b80b2 168 //...
WiredHome 98:ecebed9b80b2 169 //0x00,... // ' ' data stream.
WiredHome 98:ecebed9b80b2 170 //0x00,0x06,0x00,0x07,0x80,0x07,0xC0,0x07,0xC0,0x07,0xC0 // '!'
WiredHome 98:ecebed9b80b2 171 //...
WiredHome 101:e0aad446094a 172
WiredHome 101:e0aad446094a 173
WiredHome 109:7b94f06f085b 174 const uint8_t * GraphicsDisplay::getCharMetrics(const unsigned char c, dim_t * width, dim_t * height)
WiredHome 19:3f82c1161fd2 175 {
WiredHome 98:ecebed9b80b2 176 uint16_t offsetToCharLookup;
WiredHome 98:ecebed9b80b2 177 uint16_t firstChar = font[3] * 256 + font[2];
WiredHome 98:ecebed9b80b2 178 uint16_t lastChar = font[5] * 256 + font[4];
WiredHome 109:7b94f06f085b 179 dim_t charHeight = font[6];
WiredHome 98:ecebed9b80b2 180 const unsigned char * charRecord; // width, data, data, data, ...
WiredHome 98:ecebed9b80b2 181
WiredHome 98:ecebed9b80b2 182 INFO("first:%d, last:%d, c:%d", firstChar, lastChar, c);
WiredHome 98:ecebed9b80b2 183 if (c < firstChar || c > lastChar)
WiredHome 101:e0aad446094a 184 return NULL; // advance zero pixels since it was unprintable...
WiredHome 101:e0aad446094a 185
WiredHome 101:e0aad446094a 186 // 8 bytes of preamble to the first level lookup table
WiredHome 101:e0aad446094a 187 offsetToCharLookup = 8 + 4 * (c - firstChar); // 4-bytes: width(pixels), 16-bit offset from table start, 0
WiredHome 109:7b94f06f085b 188 dim_t charWidth = font[offsetToCharLookup];
WiredHome 101:e0aad446094a 189 charRecord = font + font[offsetToCharLookup + 2] * 256 + font[offsetToCharLookup + 1];
WiredHome 101:e0aad446094a 190 //INFO("hgt:%d, wdt:%d", charHeight, charWidth);
WiredHome 101:e0aad446094a 191 if (width)
WiredHome 101:e0aad446094a 192 *width = charWidth;
WiredHome 101:e0aad446094a 193 if (height)
WiredHome 101:e0aad446094a 194 *height = charHeight;
WiredHome 101:e0aad446094a 195 return charRecord;
WiredHome 101:e0aad446094a 196 }
WiredHome 101:e0aad446094a 197
WiredHome 109:7b94f06f085b 198
WiredHome 109:7b94f06f085b 199 int GraphicsDisplay::fontblit(loc_t x, loc_t y, const unsigned char c)
WiredHome 101:e0aad446094a 200 {
WiredHome 109:7b94f06f085b 201 const uint8_t * charRecord; // width, data, data, data, ...
WiredHome 109:7b94f06f085b 202 dim_t charWidth, charHeight;
WiredHome 101:e0aad446094a 203 charRecord = getCharMetrics(c, &charWidth, &charHeight);
WiredHome 101:e0aad446094a 204 if (charRecord) {
WiredHome 101:e0aad446094a 205 INFO("hgt:%d, wdt:%d", charHeight, charWidth);
WiredHome 101:e0aad446094a 206 // clip to the edge of the screen
WiredHome 101:e0aad446094a 207 //if (x + charWidth >= width())
WiredHome 101:e0aad446094a 208 // charWidth = width() - x;
WiredHome 101:e0aad446094a 209 //if (y + charHeight >= height())
WiredHome 101:e0aad446094a 210 // charHeight = height() - y;
WiredHome 109:7b94f06f085b 211 booleanStream(x,y,charWidth, charHeight, charRecord);
WiredHome 101:e0aad446094a 212 return charWidth;
WiredHome 101:e0aad446094a 213 } else {
WiredHome 101:e0aad446094a 214 return 0;
WiredHome 29:422616aa04bd 215 }
dreschpe 0:de9d1462a835 216 }
dreschpe 0:de9d1462a835 217
WiredHome 31:c72e12cd5c67 218 // BMP Color Palette is BGRx
WiredHome 31:c72e12cd5c67 219 // BBBB BBBB GGGG GGGG RRRR RRRR 0000 0000
WiredHome 31:c72e12cd5c67 220 // RGB16 is
WiredHome 31:c72e12cd5c67 221 // RRRR RGGG GGGB BBBB
WiredHome 31:c72e12cd5c67 222 // swap to little endian
WiredHome 31:c72e12cd5c67 223 // GGGB BBBB RRRR RGGG
WiredHome 32:0e4f2ae512e2 224 color_t GraphicsDisplay::RGBQuadToRGB16(RGBQUAD * colorPalette, uint16_t i)
WiredHome 31:c72e12cd5c67 225 {
WiredHome 31:c72e12cd5c67 226 color_t c;
WiredHome 31:c72e12cd5c67 227
WiredHome 31:c72e12cd5c67 228 c = ((colorPalette[i].rgbBlue >> 3) << 0);
WiredHome 31:c72e12cd5c67 229 c |= ((colorPalette[i].rgbGreen >> 2) << 5);
WiredHome 31:c72e12cd5c67 230 c |= ((colorPalette[i].rgbRed >> 3) << 11);
WiredHome 31:c72e12cd5c67 231 return c;
WiredHome 31:c72e12cd5c67 232 }
WiredHome 29:422616aa04bd 233
WiredHome 93:6fbc516de05e 234 // RGB16 little endian
WiredHome 93:6fbc516de05e 235 // GGGB BBBB RRRR RGGG
WiredHome 93:6fbc516de05e 236 // swap
WiredHome 93:6fbc516de05e 237 // RRRR RGGG GGGB BBBB
WiredHome 93:6fbc516de05e 238 // RRRR R
WiredHome 93:6fbc516de05e 239 // extend to BMP Color Palette is BGRx
WiredHome 93:6fbc516de05e 240 // BBBB BBBB GGGG GGGG RRRR RRRR 0000 0000
WiredHome 41:2956a0a221e5 241 RGBQUAD GraphicsDisplay::RGB16ToRGBQuad(color_t c)
WiredHome 41:2956a0a221e5 242 {
WiredHome 41:2956a0a221e5 243 RGBQUAD q;
WiredHome 41:2956a0a221e5 244
WiredHome 41:2956a0a221e5 245 memset(&q, 0, sizeof(q));
WiredHome 93:6fbc516de05e 246 c = (c << 8) | (c >> 8); // swap
WiredHome 72:ecffe56af969 247 q.rgbBlue = ((c & 0x001F) << 3) | (c & 0x07); /* Blue value */
WiredHome 93:6fbc516de05e 248 q.rgbGreen = ((c & 0x07E0) >> 3) | ((c >> 9) & 0x03); /* Green value */
WiredHome 93:6fbc516de05e 249 q.rgbRed = ((c & 0xF800) >> 8) | ((c >> 13) & 0x07); /* Red value */
WiredHome 41:2956a0a221e5 250 q.rgbReserved = 0;
WiredHome 41:2956a0a221e5 251 return q;
WiredHome 41:2956a0a221e5 252 }
WiredHome 41:2956a0a221e5 253
WiredHome 42:7cbdfd2bbfc5 254 RetCode_t GraphicsDisplay::_RenderBitmap(loc_t x, loc_t y, uint32_t fileOffset, FILE * Image)
WiredHome 31:c72e12cd5c67 255 {
WiredHome 31:c72e12cd5c67 256 BITMAPINFOHEADER BMP_Info;
WiredHome 31:c72e12cd5c67 257 RGBQUAD * colorPalette = NULL;
WiredHome 31:c72e12cd5c67 258 int colorCount;
WiredHome 32:0e4f2ae512e2 259 uint8_t * lineBuffer = NULL;
WiredHome 69:636867df24a1 260 color_t * pixelBuffer = NULL;
WiredHome 31:c72e12cd5c67 261 uint16_t BPP_t;
WiredHome 95:ef538bd687c0 262 dim_t PixelWidth, PixelHeight;
WiredHome 31:c72e12cd5c67 263 unsigned int i, offset;
WiredHome 31:c72e12cd5c67 264 int padd,j;
WiredHome 59:fb40aad4efd4 265 #ifdef DEBUG
WiredHome 59:fb40aad4efd4 266 uint32_t start_data;
WiredHome 59:fb40aad4efd4 267 #endif
WiredHome 31:c72e12cd5c67 268
WiredHome 42:7cbdfd2bbfc5 269 // Now, Read the bitmap info header
WiredHome 31:c72e12cd5c67 270 fread(&BMP_Info, 1, sizeof(BMP_Info), Image);
WiredHome 59:fb40aad4efd4 271 HexDump("BMP_Info", (uint8_t *)&BMP_Info, sizeof(BMP_Info));
WiredHome 31:c72e12cd5c67 272 BPP_t = BMP_Info.biBitCount;
WiredHome 31:c72e12cd5c67 273 INFO("biBitCount %04X", BPP_t);
WiredHome 32:0e4f2ae512e2 274 if (BPP_t != 4 && BPP_t != 8 && BPP_t != 16 && BPP_t != 24) { // Support 4, 8, 16, 24-bits per pixel
WiredHome 31:c72e12cd5c67 275 fclose(Image);
WiredHome 31:c72e12cd5c67 276 return(not_supported_format);
WiredHome 31:c72e12cd5c67 277 }
WiredHome 31:c72e12cd5c67 278
WiredHome 31:c72e12cd5c67 279 PixelHeight = BMP_Info.biHeight;
WiredHome 31:c72e12cd5c67 280 PixelWidth = BMP_Info.biWidth;
WiredHome 79:544eb4964795 281 INFO("(%d,%d) (%d,%d) (%d,%d)", x,y, PixelWidth,PixelHeight, width(), height());
WiredHome 31:c72e12cd5c67 282 if (PixelHeight > height() + y || PixelWidth > width() + x) {
WiredHome 31:c72e12cd5c67 283 fclose(Image);
WiredHome 31:c72e12cd5c67 284 return(image_too_big);
WiredHome 31:c72e12cd5c67 285 }
WiredHome 31:c72e12cd5c67 286 if (BMP_Info.biBitCount <= 8) {
WiredHome 31:c72e12cd5c67 287 int paletteSize;
WiredHome 31:c72e12cd5c67 288 // Read the color palette
WiredHome 31:c72e12cd5c67 289 colorCount = 1 << BMP_Info.biBitCount;
WiredHome 31:c72e12cd5c67 290 paletteSize = sizeof(RGBQUAD) * colorCount;
WiredHome 31:c72e12cd5c67 291 colorPalette = (RGBQUAD *)malloc(paletteSize);
WiredHome 31:c72e12cd5c67 292 if (colorPalette == NULL) {
WiredHome 31:c72e12cd5c67 293 fclose(Image);
WiredHome 31:c72e12cd5c67 294 return(not_enough_ram);
WiredHome 31:c72e12cd5c67 295 }
WiredHome 31:c72e12cd5c67 296 fread(colorPalette, 1, paletteSize, Image);
WiredHome 59:fb40aad4efd4 297 HexDump("Color Palette", (uint8_t *)colorPalette, paletteSize);
WiredHome 31:c72e12cd5c67 298 }
WiredHome 31:c72e12cd5c67 299
WiredHome 32:0e4f2ae512e2 300 int lineBufSize = ((BPP_t * PixelWidth + 7)/8);
WiredHome 59:fb40aad4efd4 301 INFO("BPP_t %d, PixelWidth %d, lineBufSize %d", BPP_t, PixelWidth, lineBufSize);
WiredHome 32:0e4f2ae512e2 302 lineBuffer = (uint8_t *)malloc(lineBufSize);
WiredHome 31:c72e12cd5c67 303 if (lineBuffer == NULL) {
WiredHome 31:c72e12cd5c67 304 free(colorPalette);
WiredHome 31:c72e12cd5c67 305 fclose(Image);
WiredHome 31:c72e12cd5c67 306 return(not_enough_ram);
WiredHome 31:c72e12cd5c67 307 }
WiredHome 69:636867df24a1 308 pixelBuffer = (color_t *)malloc(PixelWidth * sizeof(color_t));
WiredHome 41:2956a0a221e5 309 if (pixelBuffer == NULL) {
WiredHome 41:2956a0a221e5 310 free(lineBuffer);
WiredHome 69:636867df24a1 311 if (colorPalette)
WiredHome 69:636867df24a1 312 free(colorPalette);
WiredHome 41:2956a0a221e5 313 fclose(Image);
WiredHome 41:2956a0a221e5 314 return(not_enough_ram);
WiredHome 41:2956a0a221e5 315 }
WiredHome 31:c72e12cd5c67 316
WiredHome 32:0e4f2ae512e2 317 // the Raw Data records are padded to a multiple of 4 bytes
WiredHome 32:0e4f2ae512e2 318 int recordSize = 2;
WiredHome 32:0e4f2ae512e2 319 if (BPP_t == 4) {
WiredHome 32:0e4f2ae512e2 320 recordSize = 1;
WiredHome 32:0e4f2ae512e2 321 } else if (BPP_t == 8) {
WiredHome 32:0e4f2ae512e2 322 recordSize = 1;
WiredHome 32:0e4f2ae512e2 323 } else if (BPP_t == 16) {
WiredHome 32:0e4f2ae512e2 324 recordSize = 2;
WiredHome 32:0e4f2ae512e2 325 } else if (BPP_t == 24) {
WiredHome 32:0e4f2ae512e2 326 recordSize = 3;
WiredHome 32:0e4f2ae512e2 327 }
WiredHome 31:c72e12cd5c67 328 padd = -1;
WiredHome 31:c72e12cd5c67 329 do {
WiredHome 31:c72e12cd5c67 330 padd++;
WiredHome 32:0e4f2ae512e2 331 } while ((PixelWidth * recordSize + padd) % 4 != 0);
WiredHome 31:c72e12cd5c67 332
WiredHome 32:0e4f2ae512e2 333 // Define window for top to bottom and left to right so writing auto-wraps
WiredHome 31:c72e12cd5c67 334 window(x,y, PixelWidth,PixelHeight);
WiredHome 32:0e4f2ae512e2 335 SetGraphicsCursor(x, y);
WiredHome 32:0e4f2ae512e2 336 _StartGraphicsStream();
WiredHome 32:0e4f2ae512e2 337
WiredHome 42:7cbdfd2bbfc5 338 //start_data = BMP_Header.bfOffBits;
WiredHome 59:fb40aad4efd4 339 HexDump("Raw Data", (uint8_t *)&start_data, 32);
WiredHome 59:fb40aad4efd4 340 INFO("(%d,%d) (%d,%d), [%d,%d]", x,y, PixelWidth,PixelHeight, lineBufSize, padd);
WiredHome 32:0e4f2ae512e2 341 for (j = PixelHeight - 1; j >= 0; j--) { //Lines bottom up
WiredHome 42:7cbdfd2bbfc5 342 offset = fileOffset + j * (lineBufSize + padd); // start of line
WiredHome 31:c72e12cd5c67 343 fseek(Image, offset, SEEK_SET);
WiredHome 32:0e4f2ae512e2 344 fread(lineBuffer, 1, lineBufSize, Image); // read a line - slow !
WiredHome 79:544eb4964795 345 //INFO("offset: %6X", offset);
WiredHome 32:0e4f2ae512e2 346 for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT
WiredHome 31:c72e12cd5c67 347 if (BPP_t == 4) {
WiredHome 31:c72e12cd5c67 348 uint8_t dPix = lineBuffer[i/2];
WiredHome 31:c72e12cd5c67 349 if ((i & 1) == 0)
WiredHome 31:c72e12cd5c67 350 dPix >>= 4;
WiredHome 31:c72e12cd5c67 351 dPix &= 0x0F;
WiredHome 41:2956a0a221e5 352 pixelBuffer[i] = RGBQuadToRGB16(colorPalette, dPix);
WiredHome 31:c72e12cd5c67 353 } else if (BPP_t == 8) {
WiredHome 41:2956a0a221e5 354 pixelBuffer[i] = RGBQuadToRGB16(colorPalette, lineBuffer[i]);
WiredHome 32:0e4f2ae512e2 355 } else if (BPP_t == 16) {
WiredHome 41:2956a0a221e5 356 pixelBuffer[i] = lineBuffer[i];
WiredHome 32:0e4f2ae512e2 357 } else if (BPP_t == 24) {
WiredHome 37:f19b7e7449dc 358 color_t color;
WiredHome 32:0e4f2ae512e2 359 color = RGB(lineBuffer[i*3+2], lineBuffer[i*3+1], lineBuffer[i*3+0]);
WiredHome 41:2956a0a221e5 360 pixelBuffer[i] = color;
WiredHome 31:c72e12cd5c67 361 }
WiredHome 31:c72e12cd5c67 362 }
WiredHome 41:2956a0a221e5 363 pixelStream(pixelBuffer, PixelWidth, x, y++);
WiredHome 31:c72e12cd5c67 364 }
WiredHome 42:7cbdfd2bbfc5 365 _EndGraphicsStream();
WiredHome 42:7cbdfd2bbfc5 366 WindowMax();
WiredHome 69:636867df24a1 367 free(pixelBuffer); // don't leak memory
WiredHome 31:c72e12cd5c67 368 free(lineBuffer);
WiredHome 69:636867df24a1 369 if (colorPalette)
WiredHome 69:636867df24a1 370 free(colorPalette);
WiredHome 32:0e4f2ae512e2 371 return (noerror);
WiredHome 31:c72e12cd5c67 372 }
WiredHome 31:c72e12cd5c67 373
WiredHome 42:7cbdfd2bbfc5 374
WiredHome 42:7cbdfd2bbfc5 375 RetCode_t GraphicsDisplay::RenderImageFile(loc_t x, loc_t y, const char *FileName)
WiredHome 42:7cbdfd2bbfc5 376 {
WiredHome 42:7cbdfd2bbfc5 377 if (mystrnicmp(FileName + strlen(FileName) - 4, ".bmp", 4) == 0) {
WiredHome 42:7cbdfd2bbfc5 378 return RenderBitmapFile(x,y,FileName);
WiredHome 42:7cbdfd2bbfc5 379 } else if (mystrnicmp(FileName + strlen(FileName) - 4, ".ico", 4) == 0) {
WiredHome 42:7cbdfd2bbfc5 380 return RenderIconFile(x,y,FileName);
WiredHome 42:7cbdfd2bbfc5 381 } else {
WiredHome 42:7cbdfd2bbfc5 382 return not_supported_format;
WiredHome 42:7cbdfd2bbfc5 383 }
WiredHome 42:7cbdfd2bbfc5 384 }
WiredHome 42:7cbdfd2bbfc5 385
WiredHome 42:7cbdfd2bbfc5 386 RetCode_t GraphicsDisplay::RenderBitmapFile(loc_t x, loc_t y, const char *Name_BMP)
WiredHome 42:7cbdfd2bbfc5 387 {
WiredHome 42:7cbdfd2bbfc5 388 BITMAPFILEHEADER BMP_Header;
WiredHome 42:7cbdfd2bbfc5 389
WiredHome 42:7cbdfd2bbfc5 390 INFO("Opening {%s}", Name_BMP);
WiredHome 42:7cbdfd2bbfc5 391 FILE *Image = fopen(Name_BMP, "rb");
WiredHome 42:7cbdfd2bbfc5 392 if (!Image) {
WiredHome 42:7cbdfd2bbfc5 393 return(file_not_found);
WiredHome 42:7cbdfd2bbfc5 394 }
WiredHome 42:7cbdfd2bbfc5 395
WiredHome 42:7cbdfd2bbfc5 396 fread(&BMP_Header, 1, sizeof(BMP_Header), Image); // get the BMP Header
WiredHome 42:7cbdfd2bbfc5 397 INFO("bfType %04X", BMP_Header.bfType);
WiredHome 59:fb40aad4efd4 398 HexDump("BMP_Header", (uint8_t *)&BMP_Header, sizeof(BMP_Header));
WiredHome 42:7cbdfd2bbfc5 399 if (BMP_Header.bfType != BF_TYPE) {
WiredHome 42:7cbdfd2bbfc5 400 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 401 return(not_bmp_format);
WiredHome 42:7cbdfd2bbfc5 402 }
WiredHome 42:7cbdfd2bbfc5 403 RetCode_t rt = _RenderBitmap(x, y, BMP_Header.bfOffBits, Image);
WiredHome 42:7cbdfd2bbfc5 404 if (rt != noerror) {
WiredHome 42:7cbdfd2bbfc5 405 return rt;
WiredHome 42:7cbdfd2bbfc5 406 } else {
WiredHome 42:7cbdfd2bbfc5 407 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 408 return (noerror);
WiredHome 42:7cbdfd2bbfc5 409 }
WiredHome 42:7cbdfd2bbfc5 410 }
WiredHome 42:7cbdfd2bbfc5 411
WiredHome 42:7cbdfd2bbfc5 412 RetCode_t GraphicsDisplay::RenderIconFile(loc_t x, loc_t y, const char *Name_ICO)
WiredHome 42:7cbdfd2bbfc5 413 {
WiredHome 42:7cbdfd2bbfc5 414 ICOFILEHEADER ICO_Header;
WiredHome 42:7cbdfd2bbfc5 415 ICODIRENTRY ICO_DirEntry;
WiredHome 42:7cbdfd2bbfc5 416
WiredHome 42:7cbdfd2bbfc5 417 INFO("Opening {%s}", Name_ICO);
WiredHome 42:7cbdfd2bbfc5 418 FILE *Image = fopen(Name_ICO, "rb");
WiredHome 42:7cbdfd2bbfc5 419 if (!Image) {
WiredHome 42:7cbdfd2bbfc5 420 return(file_not_found);
WiredHome 42:7cbdfd2bbfc5 421 }
WiredHome 42:7cbdfd2bbfc5 422
WiredHome 42:7cbdfd2bbfc5 423 fread(&ICO_Header, 1, sizeof(ICO_Header), Image); // get the BMP Header
WiredHome 42:7cbdfd2bbfc5 424 HexDump("ICO_Header", (uint8_t *)&ICO_Header, sizeof(ICO_Header));
WiredHome 42:7cbdfd2bbfc5 425 if (ICO_Header.Reserved_zero != 0
WiredHome 42:7cbdfd2bbfc5 426 || ICO_Header.icType != IC_TYPE
WiredHome 42:7cbdfd2bbfc5 427 || ICO_Header.icImageCount == 0) {
WiredHome 42:7cbdfd2bbfc5 428 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 429 return(not_ico_format);
WiredHome 42:7cbdfd2bbfc5 430 }
WiredHome 42:7cbdfd2bbfc5 431
WiredHome 42:7cbdfd2bbfc5 432 // Read ONLY the first of n possible directory entries.
WiredHome 42:7cbdfd2bbfc5 433 fread(&ICO_DirEntry, 1, sizeof(ICO_DirEntry), Image);
WiredHome 42:7cbdfd2bbfc5 434 HexDump("ICO_DirEntry", (uint8_t *)&ICO_DirEntry, sizeof(ICO_DirEntry));
WiredHome 42:7cbdfd2bbfc5 435 INFO("biBitCount %04X", ICO_DirEntry.biBitCount);
WiredHome 42:7cbdfd2bbfc5 436 if (ICO_DirEntry.biBitCount != 0) { // Expecting this to be zero for ico
WiredHome 42:7cbdfd2bbfc5 437 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 438 return(not_supported_format);
WiredHome 42:7cbdfd2bbfc5 439 }
WiredHome 42:7cbdfd2bbfc5 440
WiredHome 42:7cbdfd2bbfc5 441 RetCode_t rt = _RenderBitmap(x, y, ICO_DirEntry.bfOffBits, Image);
WiredHome 42:7cbdfd2bbfc5 442 if (rt == noerror) {
WiredHome 42:7cbdfd2bbfc5 443 fclose(Image);
WiredHome 42:7cbdfd2bbfc5 444 return (noerror);
WiredHome 42:7cbdfd2bbfc5 445 } else {
WiredHome 42:7cbdfd2bbfc5 446 return rt;
WiredHome 42:7cbdfd2bbfc5 447 }
WiredHome 42:7cbdfd2bbfc5 448 }
WiredHome 42:7cbdfd2bbfc5 449
WiredHome 19:3f82c1161fd2 450 int GraphicsDisplay::columns()
WiredHome 19:3f82c1161fd2 451 {
WiredHome 19:3f82c1161fd2 452 return width() / 8;
dreschpe 0:de9d1462a835 453 }
dreschpe 0:de9d1462a835 454
WiredHome 19:3f82c1161fd2 455 int GraphicsDisplay::rows()
WiredHome 19:3f82c1161fd2 456 {
WiredHome 19:3f82c1161fd2 457 return height() / 8;
WiredHome 19:3f82c1161fd2 458 }