Commit 79f8b8001554f8597265fcf3d4de6c73d0cf2018
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| 1 | +++ a/Makefile | ||
| @@ -0,0 +1,19 @@ | @@ -0,0 +1,19 @@ | ||
| 1 | +CC=gcc | ||
| 2 | +CC_FLAGS=-c -Wall -Werror -std=gnu99 -g | ||
| 3 | +CC_LIBS= | ||
| 4 | +INCLUDES= | ||
| 5 | + | ||
| 6 | +SOURCES=main.c | ||
| 7 | +OBJECTS=$(SOURCES:.c=.o) | ||
| 8 | +OUTPUT=bmp2map | ||
| 9 | + | ||
| 10 | +all: $(SOURCES) $(OUTPUT) | ||
| 11 | + | ||
| 12 | +$(OUTPUT): $(OBJECTS) | ||
| 13 | + $(CC) $(OBJECTS) $(CC_LIBS) -o $@ | ||
| 14 | + | ||
| 15 | +%.o: %.c | ||
| 16 | + $(CC) $(INCLUDES) $(CC_FLAGS) $< -o $@ | ||
| 17 | + | ||
| 18 | +clear: | ||
| 19 | + rm -f $(OUTPUT) $(OBJECTS) |
| 1 | +++ a/main.c | ||
| @@ -0,0 +1,85 @@ | @@ -0,0 +1,85 @@ | ||
| 1 | +#include <stdio.h> | ||
| 2 | +#include <stdlib.h> | ||
| 3 | + | ||
| 4 | +int main(int argc, char *argv[]) | ||
| 5 | +{ | ||
| 6 | + if(argc != 3) | ||
| 7 | + { | ||
| 8 | + printf("bmp2map [BMP_SRC] [MAP_DEST]\n"); | ||
| 9 | + return 1; | ||
| 10 | + } | ||
| 11 | + | ||
| 12 | + FILE* src = NULL; | ||
| 13 | + FILE* dst = NULL; | ||
| 14 | + unsigned char buffer[5]; | ||
| 15 | + int initOffsetBMP; | ||
| 16 | + | ||
| 17 | + src = fopen(argv[1], "r"); | ||
| 18 | + dst = fopen(argv[2], "w"); | ||
| 19 | + | ||
| 20 | + if(src == NULL) | ||
| 21 | + { | ||
| 22 | + printf("Unable to open the BMP file\n"); | ||
| 23 | + return 2; | ||
| 24 | + } | ||
| 25 | + | ||
| 26 | + if(dst == NULL) | ||
| 27 | + { | ||
| 28 | + printf("Unable to open the MAP file\n"); | ||
| 29 | + return 3; | ||
| 30 | + } | ||
| 31 | + | ||
| 32 | + //printf("Reading BMP\n"); | ||
| 33 | + | ||
| 34 | + fseek(src, 0x0A, SEEK_SET); | ||
| 35 | + buffer[0] = getc(src); | ||
| 36 | + buffer[1] = getc(src); | ||
| 37 | + buffer[2] = getc(src); | ||
| 38 | + buffer[3] = getc(src); | ||
| 39 | + //printf("Pixel array offset %02x %02x %02x %02x\n", buffer[3], buffer[2], buffer[1], buffer[0]); | ||
| 40 | + initOffsetBMP = buffer[0] + ((int)buffer[1] * 256); | ||
| 41 | + | ||
| 42 | + fseek(src, 0x12, SEEK_SET); | ||
| 43 | + buffer[0] = getc(src); | ||
| 44 | + buffer[1] = getc(src); | ||
| 45 | + buffer[2] = getc(src); | ||
| 46 | + buffer[3] = getc(src); | ||
| 47 | + //printf("Width %02x %02x %02x %02x\n", buffer[3], buffer[2], buffer[1], buffer[0]); | ||
| 48 | + | ||
| 49 | + //fseek(src, 0x12, SEEK_SET); | ||
| 50 | + buffer[0] = getc(src); | ||
| 51 | + buffer[1] = getc(src); | ||
| 52 | + buffer[2] = getc(src); | ||
| 53 | + buffer[3] = getc(src); | ||
| 54 | + //printf("Height %02x %02x %02x %02x\n", buffer[3], buffer[2], buffer[1], buffer[0]); | ||
| 55 | + | ||
| 56 | + fseek(src, 0x1C, SEEK_SET); | ||
| 57 | + buffer[0] = getc(src); | ||
| 58 | + buffer[1] = getc(src); | ||
| 59 | + //printf("Bits Per Pixel %02x %02x\n", buffer[0], buffer[1]); | ||
| 60 | + | ||
| 61 | + if(buffer[1] != 0 || buffer[0] != 0x08) | ||
| 62 | + { | ||
| 63 | + printf("Could not read BMP as it's in %d bits per pixel\n", buffer[0]); | ||
| 64 | + return 1; | ||
| 65 | + } | ||
| 66 | + | ||
| 67 | + fseek(src, initOffsetBMP, SEEK_SET); | ||
| 68 | + | ||
| 69 | + //printf("Now reading BMP pixels and printing them to the MAP file\n"); | ||
| 70 | + while(1) | ||
| 71 | + { | ||
| 72 | + buffer[0] = getc(src); | ||
| 73 | + if(feof(src)) | ||
| 74 | + break; | ||
| 75 | + //printf("Pixel BMP 24 bits Grey %02X\n", buffer[0]); | ||
| 76 | + fprintf(dst, "%c", buffer[0]); | ||
| 77 | + } | ||
| 78 | + | ||
| 79 | + //printf("Done !\n"); | ||
| 80 | + | ||
| 81 | + fclose(src); | ||
| 82 | + fclose(dst); | ||
| 83 | + | ||
| 84 | + return 0; | ||
| 85 | +} |