A implementation of a simple bomberman game
Dependencies: 4DGL-uLCD-SE SDFileSystem mbed-rtos mbed wave_player
Fork of rtos_basic by
myBMP/myBMP.cpp@7:12f7fd2b1a13, 2016-10-31 (annotated)
- Committer:
- apcastelein
- Date:
- Mon Oct 31 19:33:11 2016 +0000
- Revision:
- 7:12f7fd2b1a13
Published bomberman game;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
apcastelein | 7:12f7fd2b1a13 | 1 | #include "myBMP.h" |
apcastelein | 7:12f7fd2b1a13 | 2 | |
apcastelein | 7:12f7fd2b1a13 | 3 | int BitDepth = 1; |
apcastelein | 7:12f7fd2b1a13 | 4 | int Width = 1; |
apcastelein | 7:12f7fd2b1a13 | 5 | int Height = 1; |
apcastelein | 7:12f7fd2b1a13 | 6 | RGBApixel *Colors; |
apcastelein | 7:12f7fd2b1a13 | 7 | |
apcastelein | 7:12f7fd2b1a13 | 8 | bool SafeFread( char* buffer, int size, int number, FILE* fp ) |
apcastelein | 7:12f7fd2b1a13 | 9 | { |
apcastelein | 7:12f7fd2b1a13 | 10 | using namespace std; |
apcastelein | 7:12f7fd2b1a13 | 11 | int ItemsRead; |
apcastelein | 7:12f7fd2b1a13 | 12 | if( feof(fp) ) |
apcastelein | 7:12f7fd2b1a13 | 13 | { return false; } |
apcastelein | 7:12f7fd2b1a13 | 14 | ItemsRead = (int) fread( buffer , size , number , fp ); |
apcastelein | 7:12f7fd2b1a13 | 15 | if( ItemsRead < number ) |
apcastelein | 7:12f7fd2b1a13 | 16 | { return false; } |
apcastelein | 7:12f7fd2b1a13 | 17 | return true; |
apcastelein | 7:12f7fd2b1a13 | 18 | } |
apcastelein | 7:12f7fd2b1a13 | 19 | |
apcastelein | 7:12f7fd2b1a13 | 20 | bool Read32bitRow(int x, int y, ebmpBYTE* Buffer, int BufferSize, int Row, uLCD_4DGL *lcd) |
apcastelein | 7:12f7fd2b1a13 | 21 | { |
apcastelein | 7:12f7fd2b1a13 | 22 | int i; |
apcastelein | 7:12f7fd2b1a13 | 23 | char Colors[4]; |
apcastelein | 7:12f7fd2b1a13 | 24 | if( Width*4 > BufferSize ) |
apcastelein | 7:12f7fd2b1a13 | 25 | { return false; } |
apcastelein | 7:12f7fd2b1a13 | 26 | for( i=0 ; i < Width ; i++ ) |
apcastelein | 7:12f7fd2b1a13 | 27 | { |
apcastelein | 7:12f7fd2b1a13 | 28 | memcpy( (char*) &(Colors), (char*) Buffer+4*i, 4 ); |
apcastelein | 7:12f7fd2b1a13 | 29 | //Blue, Green, Red, Alpha |
apcastelein | 7:12f7fd2b1a13 | 30 | int color = 0x00000000 | (Colors[2] << 16) | (Colors[1] << 8) | (Colors[0]); |
apcastelein | 7:12f7fd2b1a13 | 31 | (*lcd).pixel(x+i,y+Row,color); |
apcastelein | 7:12f7fd2b1a13 | 32 | } |
apcastelein | 7:12f7fd2b1a13 | 33 | return true; |
apcastelein | 7:12f7fd2b1a13 | 34 | } |
apcastelein | 7:12f7fd2b1a13 | 35 | |
apcastelein | 7:12f7fd2b1a13 | 36 | bool Read24bitRow(int x, int y, ebmpBYTE* Buffer, int BufferSize, int Row, uLCD_4DGL *lcd) |
apcastelein | 7:12f7fd2b1a13 | 37 | { |
apcastelein | 7:12f7fd2b1a13 | 38 | int i; |
apcastelein | 7:12f7fd2b1a13 | 39 | char Colors[4]; |
apcastelein | 7:12f7fd2b1a13 | 40 | if( Width*3 > BufferSize ) |
apcastelein | 7:12f7fd2b1a13 | 41 | { return false; } |
apcastelein | 7:12f7fd2b1a13 | 42 | for( i=0 ; i < Width ; i++ ) |
apcastelein | 7:12f7fd2b1a13 | 43 | { |
apcastelein | 7:12f7fd2b1a13 | 44 | memcpy( (char*) &(Colors), (char*) Buffer+3*i, 3 ); |
apcastelein | 7:12f7fd2b1a13 | 45 | //Blue, Green, Red, Alpha |
apcastelein | 7:12f7fd2b1a13 | 46 | int color = 0x00000000 | (Colors[2] << 16) | (Colors[1] << 8) | (Colors[0]); |
apcastelein | 7:12f7fd2b1a13 | 47 | (*lcd).pixel(x+i,y+Row,color); |
apcastelein | 7:12f7fd2b1a13 | 48 | } |
apcastelein | 7:12f7fd2b1a13 | 49 | return true; |
apcastelein | 7:12f7fd2b1a13 | 50 | } |
apcastelein | 7:12f7fd2b1a13 | 51 | |
apcastelein | 7:12f7fd2b1a13 | 52 | RGBApixel GetColor( int ColorNumber) |
apcastelein | 7:12f7fd2b1a13 | 53 | { |
apcastelein | 7:12f7fd2b1a13 | 54 | RGBApixel Output; |
apcastelein | 7:12f7fd2b1a13 | 55 | Output.Red = 255; |
apcastelein | 7:12f7fd2b1a13 | 56 | Output.Green = 255; |
apcastelein | 7:12f7fd2b1a13 | 57 | Output.Blue = 255; |
apcastelein | 7:12f7fd2b1a13 | 58 | Output.Alpha = 0; |
apcastelein | 7:12f7fd2b1a13 | 59 | |
apcastelein | 7:12f7fd2b1a13 | 60 | if( BitDepth != 1 && BitDepth != 4 && BitDepth != 8 ) |
apcastelein | 7:12f7fd2b1a13 | 61 | { |
apcastelein | 7:12f7fd2b1a13 | 62 | return Output; |
apcastelein | 7:12f7fd2b1a13 | 63 | } |
apcastelein | 7:12f7fd2b1a13 | 64 | if( !Colors ) |
apcastelein | 7:12f7fd2b1a13 | 65 | { |
apcastelein | 7:12f7fd2b1a13 | 66 | return Output; |
apcastelein | 7:12f7fd2b1a13 | 67 | } |
apcastelein | 7:12f7fd2b1a13 | 68 | Output = Colors[ColorNumber]; |
apcastelein | 7:12f7fd2b1a13 | 69 | return Output; |
apcastelein | 7:12f7fd2b1a13 | 70 | } |
apcastelein | 7:12f7fd2b1a13 | 71 | |
apcastelein | 7:12f7fd2b1a13 | 72 | bool Read8bitRow(int x, int y, ebmpBYTE* Buffer, int BufferSize, int Row, uLCD_4DGL *lcd) |
apcastelein | 7:12f7fd2b1a13 | 73 | { |
apcastelein | 7:12f7fd2b1a13 | 74 | int i; |
apcastelein | 7:12f7fd2b1a13 | 75 | if( Width > BufferSize ) |
apcastelein | 7:12f7fd2b1a13 | 76 | { return false; } |
apcastelein | 7:12f7fd2b1a13 | 77 | for( i=0 ; i < Width ; i++ ) |
apcastelein | 7:12f7fd2b1a13 | 78 | { |
apcastelein | 7:12f7fd2b1a13 | 79 | int Index = Buffer[i]; |
apcastelein | 7:12f7fd2b1a13 | 80 | //Blue, Green, Red, Alpha |
apcastelein | 7:12f7fd2b1a13 | 81 | RGBApixel colors = GetColor(Index); |
apcastelein | 7:12f7fd2b1a13 | 82 | int color = 0x00000000 | (colors.Red<< 16) | (colors.Blue << 8) | (colors.Green); |
apcastelein | 7:12f7fd2b1a13 | 83 | (*lcd).pixel(x+i,y+Row,color); |
apcastelein | 7:12f7fd2b1a13 | 84 | } |
apcastelein | 7:12f7fd2b1a13 | 85 | return true; |
apcastelein | 7:12f7fd2b1a13 | 86 | } |
apcastelein | 7:12f7fd2b1a13 | 87 | |
apcastelein | 7:12f7fd2b1a13 | 88 | bool Read4bitRow(int x, int y, ebmpBYTE* Buffer, int BufferSize, int Row, uLCD_4DGL *lcd) |
apcastelein | 7:12f7fd2b1a13 | 89 | { |
apcastelein | 7:12f7fd2b1a13 | 90 | int Shifts[2] = {4 ,0 }; |
apcastelein | 7:12f7fd2b1a13 | 91 | int Masks[2] = {240,15}; |
apcastelein | 7:12f7fd2b1a13 | 92 | |
apcastelein | 7:12f7fd2b1a13 | 93 | int i=0; |
apcastelein | 7:12f7fd2b1a13 | 94 | int j; |
apcastelein | 7:12f7fd2b1a13 | 95 | int k=0; |
apcastelein | 7:12f7fd2b1a13 | 96 | if( Width > 2*BufferSize ) |
apcastelein | 7:12f7fd2b1a13 | 97 | { return false; } |
apcastelein | 7:12f7fd2b1a13 | 98 | while( i < Width ) |
apcastelein | 7:12f7fd2b1a13 | 99 | { |
apcastelein | 7:12f7fd2b1a13 | 100 | j=0; |
apcastelein | 7:12f7fd2b1a13 | 101 | while( j < 2 && i < Width ) |
apcastelein | 7:12f7fd2b1a13 | 102 | { |
apcastelein | 7:12f7fd2b1a13 | 103 | int Index = (int) ( (Buffer[k]&Masks[j]) >> Shifts[j]); |
apcastelein | 7:12f7fd2b1a13 | 104 | RGBApixel colors = GetColor(Index); |
apcastelein | 7:12f7fd2b1a13 | 105 | int color = 0x00000000 | (colors.Red<< 16) | (colors.Blue << 8) | (colors.Green); |
apcastelein | 7:12f7fd2b1a13 | 106 | (*lcd).pixel(x+i,y+Row,color); |
apcastelein | 7:12f7fd2b1a13 | 107 | i++; j++; |
apcastelein | 7:12f7fd2b1a13 | 108 | } |
apcastelein | 7:12f7fd2b1a13 | 109 | k++; |
apcastelein | 7:12f7fd2b1a13 | 110 | } |
apcastelein | 7:12f7fd2b1a13 | 111 | return true; |
apcastelein | 7:12f7fd2b1a13 | 112 | } |
apcastelein | 7:12f7fd2b1a13 | 113 | bool Read1bitRow(int x, int y, ebmpBYTE* Buffer, int BufferSize, int Row, uLCD_4DGL *lcd) |
apcastelein | 7:12f7fd2b1a13 | 114 | { |
apcastelein | 7:12f7fd2b1a13 | 115 | int Shifts[8] = {7 ,6 ,5 ,4 ,3,2,1,0}; |
apcastelein | 7:12f7fd2b1a13 | 116 | int Masks[8] = {128,64,32,16,8,4,2,1}; |
apcastelein | 7:12f7fd2b1a13 | 117 | |
apcastelein | 7:12f7fd2b1a13 | 118 | int i=0; |
apcastelein | 7:12f7fd2b1a13 | 119 | int j; |
apcastelein | 7:12f7fd2b1a13 | 120 | int k=0; |
apcastelein | 7:12f7fd2b1a13 | 121 | |
apcastelein | 7:12f7fd2b1a13 | 122 | if( Width > 8*BufferSize ) |
apcastelein | 7:12f7fd2b1a13 | 123 | { return false; } |
apcastelein | 7:12f7fd2b1a13 | 124 | while( i < Width ) |
apcastelein | 7:12f7fd2b1a13 | 125 | { |
apcastelein | 7:12f7fd2b1a13 | 126 | j=0; |
apcastelein | 7:12f7fd2b1a13 | 127 | while( j < 8 && i < Width ) |
apcastelein | 7:12f7fd2b1a13 | 128 | { |
apcastelein | 7:12f7fd2b1a13 | 129 | int Index = (int) ( (Buffer[k]&Masks[j]) >> Shifts[j]); |
apcastelein | 7:12f7fd2b1a13 | 130 | RGBApixel colors = GetColor(Index); |
apcastelein | 7:12f7fd2b1a13 | 131 | int color = 0x00000000 | (colors.Red<< 16) | (colors.Blue << 8) | (colors.Green); |
apcastelein | 7:12f7fd2b1a13 | 132 | (*lcd).pixel(x+i,y+Row,color); |
apcastelein | 7:12f7fd2b1a13 | 133 | i++; j++; |
apcastelein | 7:12f7fd2b1a13 | 134 | } |
apcastelein | 7:12f7fd2b1a13 | 135 | k++; |
apcastelein | 7:12f7fd2b1a13 | 136 | } |
apcastelein | 7:12f7fd2b1a13 | 137 | return true; |
apcastelein | 7:12f7fd2b1a13 | 138 | } |
apcastelein | 7:12f7fd2b1a13 | 139 | |
apcastelein | 7:12f7fd2b1a13 | 140 | int TellNumberOfColors( int BitDepth ) |
apcastelein | 7:12f7fd2b1a13 | 141 | { |
apcastelein | 7:12f7fd2b1a13 | 142 | int output = 1 << BitDepth; |
apcastelein | 7:12f7fd2b1a13 | 143 | if( BitDepth == 32 ) |
apcastelein | 7:12f7fd2b1a13 | 144 | { output = 1 << 24; } |
apcastelein | 7:12f7fd2b1a13 | 145 | return output; |
apcastelein | 7:12f7fd2b1a13 | 146 | } |
apcastelein | 7:12f7fd2b1a13 | 147 | |
apcastelein | 7:12f7fd2b1a13 | 148 | bool ReadBMPFromFile(int x, int y, const char* FileName, RGBApixel *Colors, uLCD_4DGL *lcd) |
apcastelein | 7:12f7fd2b1a13 | 149 | { |
apcastelein | 7:12f7fd2b1a13 | 150 | FILE* fp = fopen( FileName, "rb" ); |
apcastelein | 7:12f7fd2b1a13 | 151 | if( fp == NULL ) |
apcastelein | 7:12f7fd2b1a13 | 152 | { |
apcastelein | 7:12f7fd2b1a13 | 153 | return false; |
apcastelein | 7:12f7fd2b1a13 | 154 | } |
apcastelein | 7:12f7fd2b1a13 | 155 | |
apcastelein | 7:12f7fd2b1a13 | 156 | // read the file header |
apcastelein | 7:12f7fd2b1a13 | 157 | |
apcastelein | 7:12f7fd2b1a13 | 158 | BMFH bmfh; |
apcastelein | 7:12f7fd2b1a13 | 159 | bool NotCorrupted = true; |
apcastelein | 7:12f7fd2b1a13 | 160 | |
apcastelein | 7:12f7fd2b1a13 | 161 | NotCorrupted &= SafeFread( (char*) &(bmfh.bfType) , sizeof(ebmpWORD), 1, fp); |
apcastelein | 7:12f7fd2b1a13 | 162 | |
apcastelein | 7:12f7fd2b1a13 | 163 | bool IsBitmap = false; |
apcastelein | 7:12f7fd2b1a13 | 164 | |
apcastelein | 7:12f7fd2b1a13 | 165 | if( bmfh.bfType == 19778 ) |
apcastelein | 7:12f7fd2b1a13 | 166 | { IsBitmap = true; } |
apcastelein | 7:12f7fd2b1a13 | 167 | |
apcastelein | 7:12f7fd2b1a13 | 168 | if( !IsBitmap ) |
apcastelein | 7:12f7fd2b1a13 | 169 | { |
apcastelein | 7:12f7fd2b1a13 | 170 | fclose( fp ); |
apcastelein | 7:12f7fd2b1a13 | 171 | return false; |
apcastelein | 7:12f7fd2b1a13 | 172 | } |
apcastelein | 7:12f7fd2b1a13 | 173 | |
apcastelein | 7:12f7fd2b1a13 | 174 | NotCorrupted &= SafeFread( (char*) &(bmfh.bfSize) , sizeof(ebmpDWORD) , 1, fp); |
apcastelein | 7:12f7fd2b1a13 | 175 | NotCorrupted &= SafeFread( (char*) &(bmfh.bfReserved1) , sizeof(ebmpWORD) , 1, fp); |
apcastelein | 7:12f7fd2b1a13 | 176 | NotCorrupted &= SafeFread( (char*) &(bmfh.bfReserved2) , sizeof(ebmpWORD) , 1, fp); |
apcastelein | 7:12f7fd2b1a13 | 177 | NotCorrupted &= SafeFread( (char*) &(bmfh.bfOffBits) , sizeof(ebmpDWORD) , 1 , fp); |
apcastelein | 7:12f7fd2b1a13 | 178 | |
apcastelein | 7:12f7fd2b1a13 | 179 | // read the info header |
apcastelein | 7:12f7fd2b1a13 | 180 | |
apcastelein | 7:12f7fd2b1a13 | 181 | BMIH bmih; |
apcastelein | 7:12f7fd2b1a13 | 182 | |
apcastelein | 7:12f7fd2b1a13 | 183 | NotCorrupted &= SafeFread( (char*) &(bmih.biSize) , sizeof(ebmpDWORD) , 1 , fp); |
apcastelein | 7:12f7fd2b1a13 | 184 | NotCorrupted &= SafeFread( (char*) &(bmih.biWidth) , sizeof(ebmpDWORD) , 1 , fp); |
apcastelein | 7:12f7fd2b1a13 | 185 | NotCorrupted &= SafeFread( (char*) &(bmih.biHeight) , sizeof(ebmpDWORD) , 1 , fp); |
apcastelein | 7:12f7fd2b1a13 | 186 | NotCorrupted &= SafeFread( (char*) &(bmih.biPlanes) , sizeof(ebmpWORD) , 1, fp); |
apcastelein | 7:12f7fd2b1a13 | 187 | NotCorrupted &= SafeFread( (char*) &(bmih.biBitCount) , sizeof(ebmpWORD) , 1, fp); |
apcastelein | 7:12f7fd2b1a13 | 188 | |
apcastelein | 7:12f7fd2b1a13 | 189 | NotCorrupted &= SafeFread( (char*) &(bmih.biCompression) , sizeof(ebmpDWORD) , 1 , fp); |
apcastelein | 7:12f7fd2b1a13 | 190 | NotCorrupted &= SafeFread( (char*) &(bmih.biSizeImage) , sizeof(ebmpDWORD) , 1 , fp); |
apcastelein | 7:12f7fd2b1a13 | 191 | NotCorrupted &= SafeFread( (char*) &(bmih.biXPelsPerMeter) , sizeof(ebmpDWORD) , 1 , fp); |
apcastelein | 7:12f7fd2b1a13 | 192 | NotCorrupted &= SafeFread( (char*) &(bmih.biYPelsPerMeter) , sizeof(ebmpDWORD) , 1 , fp); |
apcastelein | 7:12f7fd2b1a13 | 193 | NotCorrupted &= SafeFread( (char*) &(bmih.biClrUsed) , sizeof(ebmpDWORD) , 1 , fp); |
apcastelein | 7:12f7fd2b1a13 | 194 | NotCorrupted &= SafeFread( (char*) &(bmih.biClrImportant) , sizeof(ebmpDWORD) , 1 , fp); |
apcastelein | 7:12f7fd2b1a13 | 195 | |
apcastelein | 7:12f7fd2b1a13 | 196 | // a safety catch: if any of the header information didn't read properly, abort |
apcastelein | 7:12f7fd2b1a13 | 197 | // future idea: check to see if at least most is self-consistent |
apcastelein | 7:12f7fd2b1a13 | 198 | |
apcastelein | 7:12f7fd2b1a13 | 199 | if( !NotCorrupted ) |
apcastelein | 7:12f7fd2b1a13 | 200 | { |
apcastelein | 7:12f7fd2b1a13 | 201 | fclose(fp); |
apcastelein | 7:12f7fd2b1a13 | 202 | return false; |
apcastelein | 7:12f7fd2b1a13 | 203 | } |
apcastelein | 7:12f7fd2b1a13 | 204 | |
apcastelein | 7:12f7fd2b1a13 | 205 | // if bmih.biCompression 1 or 2, then the file is RLE compressed |
apcastelein | 7:12f7fd2b1a13 | 206 | |
apcastelein | 7:12f7fd2b1a13 | 207 | if( bmih.biCompression == 1 || bmih.biCompression == 2 ) |
apcastelein | 7:12f7fd2b1a13 | 208 | { |
apcastelein | 7:12f7fd2b1a13 | 209 | fclose(fp); |
apcastelein | 7:12f7fd2b1a13 | 210 | return false; |
apcastelein | 7:12f7fd2b1a13 | 211 | } |
apcastelein | 7:12f7fd2b1a13 | 212 | |
apcastelein | 7:12f7fd2b1a13 | 213 | // if bmih.biCompression > 3, then something strange is going on |
apcastelein | 7:12f7fd2b1a13 | 214 | // it's probably an OS2 bitmap file. |
apcastelein | 7:12f7fd2b1a13 | 215 | |
apcastelein | 7:12f7fd2b1a13 | 216 | if( bmih.biCompression > 3 ) |
apcastelein | 7:12f7fd2b1a13 | 217 | { |
apcastelein | 7:12f7fd2b1a13 | 218 | fclose(fp); |
apcastelein | 7:12f7fd2b1a13 | 219 | return false; |
apcastelein | 7:12f7fd2b1a13 | 220 | } |
apcastelein | 7:12f7fd2b1a13 | 221 | |
apcastelein | 7:12f7fd2b1a13 | 222 | if( bmih.biCompression == 3 && bmih.biBitCount != 16 ) |
apcastelein | 7:12f7fd2b1a13 | 223 | { |
apcastelein | 7:12f7fd2b1a13 | 224 | fclose(fp); |
apcastelein | 7:12f7fd2b1a13 | 225 | return false; |
apcastelein | 7:12f7fd2b1a13 | 226 | } |
apcastelein | 7:12f7fd2b1a13 | 227 | |
apcastelein | 7:12f7fd2b1a13 | 228 | // set the bit depth |
apcastelein | 7:12f7fd2b1a13 | 229 | |
apcastelein | 7:12f7fd2b1a13 | 230 | int TempBitDepth = (int) bmih.biBitCount; |
apcastelein | 7:12f7fd2b1a13 | 231 | if( TempBitDepth != 1 && TempBitDepth != 4 |
apcastelein | 7:12f7fd2b1a13 | 232 | && TempBitDepth != 8 && TempBitDepth != 16 |
apcastelein | 7:12f7fd2b1a13 | 233 | && TempBitDepth != 24 && TempBitDepth != 32 ) |
apcastelein | 7:12f7fd2b1a13 | 234 | { |
apcastelein | 7:12f7fd2b1a13 | 235 | fclose(fp); |
apcastelein | 7:12f7fd2b1a13 | 236 | return false; |
apcastelein | 7:12f7fd2b1a13 | 237 | } |
apcastelein | 7:12f7fd2b1a13 | 238 | BitDepth = (int)bmih.biBitCount; |
apcastelein | 7:12f7fd2b1a13 | 239 | // set the size |
apcastelein | 7:12f7fd2b1a13 | 240 | |
apcastelein | 7:12f7fd2b1a13 | 241 | if( (int) bmih.biWidth <= 0 || (int) bmih.biHeight <= 0 ) |
apcastelein | 7:12f7fd2b1a13 | 242 | { |
apcastelein | 7:12f7fd2b1a13 | 243 | fclose(fp); |
apcastelein | 7:12f7fd2b1a13 | 244 | return false; |
apcastelein | 7:12f7fd2b1a13 | 245 | } |
apcastelein | 7:12f7fd2b1a13 | 246 | Width = (int) bmih.biWidth; |
apcastelein | 7:12f7fd2b1a13 | 247 | Height = (int) bmih.biHeight; |
apcastelein | 7:12f7fd2b1a13 | 248 | // some preliminaries |
apcastelein | 7:12f7fd2b1a13 | 249 | |
apcastelein | 7:12f7fd2b1a13 | 250 | double dBytesPerPixel = ( (double) BitDepth ) / 8.0; |
apcastelein | 7:12f7fd2b1a13 | 251 | double dBytesPerRow = dBytesPerPixel * (Width+0.0); |
apcastelein | 7:12f7fd2b1a13 | 252 | dBytesPerRow = ceil(dBytesPerRow); |
apcastelein | 7:12f7fd2b1a13 | 253 | |
apcastelein | 7:12f7fd2b1a13 | 254 | int BytePaddingPerRow = 4 - ( (int) (dBytesPerRow) )% 4; |
apcastelein | 7:12f7fd2b1a13 | 255 | if( BytePaddingPerRow == 4 ) |
apcastelein | 7:12f7fd2b1a13 | 256 | { BytePaddingPerRow = 0; } |
apcastelein | 7:12f7fd2b1a13 | 257 | |
apcastelein | 7:12f7fd2b1a13 | 258 | // if < 16 bits, read the palette |
apcastelein | 7:12f7fd2b1a13 | 259 | |
apcastelein | 7:12f7fd2b1a13 | 260 | if( BitDepth < 16 ) |
apcastelein | 7:12f7fd2b1a13 | 261 | { |
apcastelein | 7:12f7fd2b1a13 | 262 | // determine the number of colors specified in the |
apcastelein | 7:12f7fd2b1a13 | 263 | // color table |
apcastelein | 7:12f7fd2b1a13 | 264 | |
apcastelein | 7:12f7fd2b1a13 | 265 | int NumberOfColorsToRead = ((int) bmfh.bfOffBits - 54 )/4; |
apcastelein | 7:12f7fd2b1a13 | 266 | if( NumberOfColorsToRead > (1 << BitDepth) ) |
apcastelein | 7:12f7fd2b1a13 | 267 | { NumberOfColorsToRead = (1 << BitDepth); } |
apcastelein | 7:12f7fd2b1a13 | 268 | |
apcastelein | 7:12f7fd2b1a13 | 269 | int n; |
apcastelein | 7:12f7fd2b1a13 | 270 | for( n=0; n < NumberOfColorsToRead ; n++ ) |
apcastelein | 7:12f7fd2b1a13 | 271 | { |
apcastelein | 7:12f7fd2b1a13 | 272 | SafeFread( (char*) &(Colors[n]) , 4 , 1 , fp); |
apcastelein | 7:12f7fd2b1a13 | 273 | } |
apcastelein | 7:12f7fd2b1a13 | 274 | for( n=NumberOfColorsToRead ; n < TellNumberOfColors(BitDepth) ; n++ ) |
apcastelein | 7:12f7fd2b1a13 | 275 | { |
apcastelein | 7:12f7fd2b1a13 | 276 | RGBApixel wh; |
apcastelein | 7:12f7fd2b1a13 | 277 | wh.Red = 255; |
apcastelein | 7:12f7fd2b1a13 | 278 | wh.Green = 255; |
apcastelein | 7:12f7fd2b1a13 | 279 | wh.Blue = 255; |
apcastelein | 7:12f7fd2b1a13 | 280 | wh.Alpha = 0; |
apcastelein | 7:12f7fd2b1a13 | 281 | Colors[n] = wh; |
apcastelein | 7:12f7fd2b1a13 | 282 | } |
apcastelein | 7:12f7fd2b1a13 | 283 | } |
apcastelein | 7:12f7fd2b1a13 | 284 | |
apcastelein | 7:12f7fd2b1a13 | 285 | // skip blank data if bfOffBits so indicates |
apcastelein | 7:12f7fd2b1a13 | 286 | |
apcastelein | 7:12f7fd2b1a13 | 287 | int BytesToSkip = bmfh.bfOffBits - 54;; |
apcastelein | 7:12f7fd2b1a13 | 288 | if( BitDepth < 16 ) |
apcastelein | 7:12f7fd2b1a13 | 289 | { BytesToSkip -= 4*(1 << BitDepth); } |
apcastelein | 7:12f7fd2b1a13 | 290 | if( BitDepth == 16 && bmih.biCompression == 3 ) |
apcastelein | 7:12f7fd2b1a13 | 291 | { BytesToSkip -= 3*4; } |
apcastelein | 7:12f7fd2b1a13 | 292 | if( BytesToSkip < 0 ) |
apcastelein | 7:12f7fd2b1a13 | 293 | { BytesToSkip = 0; } |
apcastelein | 7:12f7fd2b1a13 | 294 | if( BytesToSkip > 0 && BitDepth != 16 ) |
apcastelein | 7:12f7fd2b1a13 | 295 | { |
apcastelein | 7:12f7fd2b1a13 | 296 | ebmpBYTE* TempSkipBYTE; |
apcastelein | 7:12f7fd2b1a13 | 297 | TempSkipBYTE = new ebmpBYTE [BytesToSkip]; |
apcastelein | 7:12f7fd2b1a13 | 298 | SafeFread( (char*) TempSkipBYTE , BytesToSkip , 1 , fp); |
apcastelein | 7:12f7fd2b1a13 | 299 | delete [] TempSkipBYTE; |
apcastelein | 7:12f7fd2b1a13 | 300 | } |
apcastelein | 7:12f7fd2b1a13 | 301 | |
apcastelein | 7:12f7fd2b1a13 | 302 | // This code reads 1, 4, 8, 24, and 32-bpp files |
apcastelein | 7:12f7fd2b1a13 | 303 | // with a more-efficient buffered technique. |
apcastelein | 7:12f7fd2b1a13 | 304 | |
apcastelein | 7:12f7fd2b1a13 | 305 | int i,j; |
apcastelein | 7:12f7fd2b1a13 | 306 | if( BitDepth != 16 ) |
apcastelein | 7:12f7fd2b1a13 | 307 | { |
apcastelein | 7:12f7fd2b1a13 | 308 | int BufferSize = (int) ( (Width*BitDepth) / 8.0 ); |
apcastelein | 7:12f7fd2b1a13 | 309 | while( 8*BufferSize < Width*BitDepth ) |
apcastelein | 7:12f7fd2b1a13 | 310 | { BufferSize++; } |
apcastelein | 7:12f7fd2b1a13 | 311 | while( BufferSize % 4 ) |
apcastelein | 7:12f7fd2b1a13 | 312 | { BufferSize++; } |
apcastelein | 7:12f7fd2b1a13 | 313 | ebmpBYTE* Buffer; |
apcastelein | 7:12f7fd2b1a13 | 314 | Buffer = new ebmpBYTE [BufferSize]; |
apcastelein | 7:12f7fd2b1a13 | 315 | j= Height-1; |
apcastelein | 7:12f7fd2b1a13 | 316 | while( j > -1 ) |
apcastelein | 7:12f7fd2b1a13 | 317 | { |
apcastelein | 7:12f7fd2b1a13 | 318 | int BytesRead = (int) fread( (char*) Buffer, 1, BufferSize, fp ); |
apcastelein | 7:12f7fd2b1a13 | 319 | if( BytesRead < BufferSize ) |
apcastelein | 7:12f7fd2b1a13 | 320 | { |
apcastelein | 7:12f7fd2b1a13 | 321 | j = -1; |
apcastelein | 7:12f7fd2b1a13 | 322 | } |
apcastelein | 7:12f7fd2b1a13 | 323 | else |
apcastelein | 7:12f7fd2b1a13 | 324 | { |
apcastelein | 7:12f7fd2b1a13 | 325 | bool Success = false; |
apcastelein | 7:12f7fd2b1a13 | 326 | if( BitDepth == 1 ) |
apcastelein | 7:12f7fd2b1a13 | 327 | { Success = Read1bitRow(x,y, Buffer, BufferSize, j , lcd); } |
apcastelein | 7:12f7fd2b1a13 | 328 | if( BitDepth == 4 ) |
apcastelein | 7:12f7fd2b1a13 | 329 | { Success = Read4bitRow(x,y, Buffer, BufferSize, j , lcd); } |
apcastelein | 7:12f7fd2b1a13 | 330 | if( BitDepth == 8 ) |
apcastelein | 7:12f7fd2b1a13 | 331 | { Success = Read8bitRow(x,y, Buffer, BufferSize, j , lcd); } |
apcastelein | 7:12f7fd2b1a13 | 332 | if( BitDepth == 24 ) |
apcastelein | 7:12f7fd2b1a13 | 333 | { Success = Read24bitRow(x,y, Buffer, BufferSize, j , lcd); } |
apcastelein | 7:12f7fd2b1a13 | 334 | if( BitDepth == 32 ) |
apcastelein | 7:12f7fd2b1a13 | 335 | { Success = Read32bitRow(x,y, Buffer, BufferSize, j , lcd); } |
apcastelein | 7:12f7fd2b1a13 | 336 | if( !Success ) |
apcastelein | 7:12f7fd2b1a13 | 337 | { |
apcastelein | 7:12f7fd2b1a13 | 338 | j = -1; |
apcastelein | 7:12f7fd2b1a13 | 339 | } |
apcastelein | 7:12f7fd2b1a13 | 340 | } |
apcastelein | 7:12f7fd2b1a13 | 341 | j--; |
apcastelein | 7:12f7fd2b1a13 | 342 | } |
apcastelein | 7:12f7fd2b1a13 | 343 | delete [] Buffer; |
apcastelein | 7:12f7fd2b1a13 | 344 | } |
apcastelein | 7:12f7fd2b1a13 | 345 | |
apcastelein | 7:12f7fd2b1a13 | 346 | if( BitDepth == 16 ) |
apcastelein | 7:12f7fd2b1a13 | 347 | { |
apcastelein | 7:12f7fd2b1a13 | 348 | int DataBytes = Width*2; |
apcastelein | 7:12f7fd2b1a13 | 349 | int PaddingBytes = ( 4 - DataBytes % 4 ) % 4; |
apcastelein | 7:12f7fd2b1a13 | 350 | |
apcastelein | 7:12f7fd2b1a13 | 351 | // set the default mask |
apcastelein | 7:12f7fd2b1a13 | 352 | |
apcastelein | 7:12f7fd2b1a13 | 353 | ebmpWORD BlueMask = 31; // bits 12-16 |
apcastelein | 7:12f7fd2b1a13 | 354 | ebmpWORD GreenMask = 992; // bits 7-11 |
apcastelein | 7:12f7fd2b1a13 | 355 | ebmpWORD RedMask = 31744; // bits 2-6 |
apcastelein | 7:12f7fd2b1a13 | 356 | |
apcastelein | 7:12f7fd2b1a13 | 357 | // read the bit fields, if necessary, to |
apcastelein | 7:12f7fd2b1a13 | 358 | // override the default 5-5-5 mask |
apcastelein | 7:12f7fd2b1a13 | 359 | |
apcastelein | 7:12f7fd2b1a13 | 360 | if( bmih.biCompression != 0 ) |
apcastelein | 7:12f7fd2b1a13 | 361 | { |
apcastelein | 7:12f7fd2b1a13 | 362 | // read the three bit masks |
apcastelein | 7:12f7fd2b1a13 | 363 | |
apcastelein | 7:12f7fd2b1a13 | 364 | ebmpWORD TempMaskWORD; |
apcastelein | 7:12f7fd2b1a13 | 365 | |
apcastelein | 7:12f7fd2b1a13 | 366 | SafeFread( (char*) &RedMask , 2 , 1 , fp ); |
apcastelein | 7:12f7fd2b1a13 | 367 | SafeFread( (char*) &TempMaskWORD , 2, 1, fp ); |
apcastelein | 7:12f7fd2b1a13 | 368 | |
apcastelein | 7:12f7fd2b1a13 | 369 | SafeFread( (char*) &GreenMask , 2 , 1 , fp ); |
apcastelein | 7:12f7fd2b1a13 | 370 | SafeFread( (char*) &TempMaskWORD , 2, 1, fp ); |
apcastelein | 7:12f7fd2b1a13 | 371 | |
apcastelein | 7:12f7fd2b1a13 | 372 | SafeFread( (char*) &BlueMask , 2 , 1 , fp ); |
apcastelein | 7:12f7fd2b1a13 | 373 | SafeFread( (char*) &TempMaskWORD , 2, 1, fp ); |
apcastelein | 7:12f7fd2b1a13 | 374 | } |
apcastelein | 7:12f7fd2b1a13 | 375 | |
apcastelein | 7:12f7fd2b1a13 | 376 | // read and skip any meta data |
apcastelein | 7:12f7fd2b1a13 | 377 | |
apcastelein | 7:12f7fd2b1a13 | 378 | if( BytesToSkip > 0 ) |
apcastelein | 7:12f7fd2b1a13 | 379 | { |
apcastelein | 7:12f7fd2b1a13 | 380 | ebmpBYTE* TempSkipBYTE; |
apcastelein | 7:12f7fd2b1a13 | 381 | TempSkipBYTE = new ebmpBYTE [BytesToSkip]; |
apcastelein | 7:12f7fd2b1a13 | 382 | SafeFread( (char*) TempSkipBYTE , BytesToSkip , 1 , fp); |
apcastelein | 7:12f7fd2b1a13 | 383 | delete [] TempSkipBYTE; |
apcastelein | 7:12f7fd2b1a13 | 384 | } |
apcastelein | 7:12f7fd2b1a13 | 385 | |
apcastelein | 7:12f7fd2b1a13 | 386 | // determine the red, green and blue shifts |
apcastelein | 7:12f7fd2b1a13 | 387 | |
apcastelein | 7:12f7fd2b1a13 | 388 | int GreenShift = 0; |
apcastelein | 7:12f7fd2b1a13 | 389 | ebmpWORD TempShiftWORD = GreenMask; |
apcastelein | 7:12f7fd2b1a13 | 390 | while( TempShiftWORD > 31 ) |
apcastelein | 7:12f7fd2b1a13 | 391 | { TempShiftWORD = TempShiftWORD>>1; GreenShift++; } |
apcastelein | 7:12f7fd2b1a13 | 392 | int BlueShift = 0; |
apcastelein | 7:12f7fd2b1a13 | 393 | TempShiftWORD = BlueMask; |
apcastelein | 7:12f7fd2b1a13 | 394 | while( TempShiftWORD > 31 ) |
apcastelein | 7:12f7fd2b1a13 | 395 | { TempShiftWORD = TempShiftWORD>>1; BlueShift++; } |
apcastelein | 7:12f7fd2b1a13 | 396 | int RedShift = 0; |
apcastelein | 7:12f7fd2b1a13 | 397 | TempShiftWORD = RedMask; |
apcastelein | 7:12f7fd2b1a13 | 398 | while( TempShiftWORD > 31 ) |
apcastelein | 7:12f7fd2b1a13 | 399 | { TempShiftWORD = TempShiftWORD>>1; RedShift++; } |
apcastelein | 7:12f7fd2b1a13 | 400 | |
apcastelein | 7:12f7fd2b1a13 | 401 | // read the actual pixels |
apcastelein | 7:12f7fd2b1a13 | 402 | |
apcastelein | 7:12f7fd2b1a13 | 403 | for( j=Height-1 ; j >= 0 ; j-- ) |
apcastelein | 7:12f7fd2b1a13 | 404 | { |
apcastelein | 7:12f7fd2b1a13 | 405 | i=0; |
apcastelein | 7:12f7fd2b1a13 | 406 | int ReadNumber = 0; |
apcastelein | 7:12f7fd2b1a13 | 407 | while( ReadNumber < DataBytes ) |
apcastelein | 7:12f7fd2b1a13 | 408 | { |
apcastelein | 7:12f7fd2b1a13 | 409 | ebmpWORD TempWORD; |
apcastelein | 7:12f7fd2b1a13 | 410 | SafeFread( (char*) &TempWORD , 2 , 1 , fp ); |
apcastelein | 7:12f7fd2b1a13 | 411 | ReadNumber += 2; |
apcastelein | 7:12f7fd2b1a13 | 412 | |
apcastelein | 7:12f7fd2b1a13 | 413 | ebmpWORD Red = RedMask & TempWORD; |
apcastelein | 7:12f7fd2b1a13 | 414 | ebmpWORD Green = GreenMask & TempWORD; |
apcastelein | 7:12f7fd2b1a13 | 415 | ebmpWORD Blue = BlueMask & TempWORD; |
apcastelein | 7:12f7fd2b1a13 | 416 | |
apcastelein | 7:12f7fd2b1a13 | 417 | ebmpBYTE BlueBYTE = (ebmpBYTE) 8*(Blue>>BlueShift); |
apcastelein | 7:12f7fd2b1a13 | 418 | ebmpBYTE GreenBYTE = (ebmpBYTE) 8*(Green>>GreenShift); |
apcastelein | 7:12f7fd2b1a13 | 419 | ebmpBYTE RedBYTE = (ebmpBYTE) 8*(Red>>RedShift); |
apcastelein | 7:12f7fd2b1a13 | 420 | |
apcastelein | 7:12f7fd2b1a13 | 421 | int color = 0x00000000 | (RedBYTE << 16) | (GreenBYTE << 8) | (BlueBYTE); |
apcastelein | 7:12f7fd2b1a13 | 422 | (*lcd).pixel(x+i,y+j,color); |
apcastelein | 7:12f7fd2b1a13 | 423 | i++; |
apcastelein | 7:12f7fd2b1a13 | 424 | } |
apcastelein | 7:12f7fd2b1a13 | 425 | ReadNumber = 0; |
apcastelein | 7:12f7fd2b1a13 | 426 | while( ReadNumber < PaddingBytes ) |
apcastelein | 7:12f7fd2b1a13 | 427 | { |
apcastelein | 7:12f7fd2b1a13 | 428 | ebmpBYTE TempBYTE; |
apcastelein | 7:12f7fd2b1a13 | 429 | SafeFread( (char*) &TempBYTE , 1, 1, fp); |
apcastelein | 7:12f7fd2b1a13 | 430 | ReadNumber++; |
apcastelein | 7:12f7fd2b1a13 | 431 | } |
apcastelein | 7:12f7fd2b1a13 | 432 | } |
apcastelein | 7:12f7fd2b1a13 | 433 | |
apcastelein | 7:12f7fd2b1a13 | 434 | } |
apcastelein | 7:12f7fd2b1a13 | 435 | |
apcastelein | 7:12f7fd2b1a13 | 436 | fclose(fp); |
apcastelein | 7:12f7fd2b1a13 | 437 | return true; |
apcastelein | 7:12f7fd2b1a13 | 438 | } |
apcastelein | 7:12f7fd2b1a13 | 439 | |
apcastelein | 7:12f7fd2b1a13 | 440 | |
apcastelein | 7:12f7fd2b1a13 | 441 | BMIH::BMIH() |
apcastelein | 7:12f7fd2b1a13 | 442 | { |
apcastelein | 7:12f7fd2b1a13 | 443 | biPlanes = 1; |
apcastelein | 7:12f7fd2b1a13 | 444 | biCompression = 0; |
apcastelein | 7:12f7fd2b1a13 | 445 | biXPelsPerMeter = DefaultXPelsPerMeter; |
apcastelein | 7:12f7fd2b1a13 | 446 | biYPelsPerMeter = DefaultYPelsPerMeter; |
apcastelein | 7:12f7fd2b1a13 | 447 | biClrUsed = 0; |
apcastelein | 7:12f7fd2b1a13 | 448 | biClrImportant = 0; |
apcastelein | 7:12f7fd2b1a13 | 449 | } |
apcastelein | 7:12f7fd2b1a13 | 450 | |
apcastelein | 7:12f7fd2b1a13 | 451 | BMFH::BMFH() |
apcastelein | 7:12f7fd2b1a13 | 452 | { |
apcastelein | 7:12f7fd2b1a13 | 453 | bfType = 19778; |
apcastelein | 7:12f7fd2b1a13 | 454 | bfReserved1 = 0; |
apcastelein | 7:12f7fd2b1a13 | 455 | bfReserved2 = 0; |
apcastelein | 7:12f7fd2b1a13 | 456 | } |