BMP file is opened and header is readed en the file is written in Image1 array

1 files changed, 63 insertions, 12 deletions

diff --git a/src/main.c b/src/main.c
index 7e260da..39d5bfc 100644
--- a/src/main.c
+++ b/src/main.c
@@ -3,25 +3,76 @@
 
 #define ENCODE 0
 #define DECODE 1
+#define MAXROWS 1024
+#define MAXCOLS 768
 
-int main(int argc, char argv[]) {
-	int retval;
+unsigned char Image1[MAXCOLS*3*MAXROWS];
+
+int main(int argc, char *argv[]) {
+	int retval, i;
 	int workspace[DCTSIZE_BLOCK];
 	int type;
+	int x, y, offset, depth;
+
 	char *fileIn, *fileOut;
 	FILE *fI, *fO;
+	unsigned char ch, mrgb[3];
+
+/*	Just for testing on the PC		*/
+	if(argc != 4)
+	{
+		printf("need more arguments");
+		return 0;
+	}
 
+  	type = atoi(argv[1]);
+    fileIn = argv[2];
+  	fileOut = argv[3];
 
-  fI = fopen(fileIn,"rb");
-  if (fI == NULL) {
-    printf("unable to open the file",fileIn);
-    return 0;
-  }
-  fO = fopen(fileOut,"wb");
-  if (fO == NULL) {
-    printf("unable to open the file",fileOut);
-    return 0;
-  }
+  	if (NULL == (fI = fopen(fileIn, "rb"))){
+  	  printf("unable to open the file to read from (%s)",fileIn);
+  	  return 0;
+  	}
+  	if ((fO = fopen(fileOut,"wb")) == NULL) {
+  	  printf("unable to open the file to write (%s)",fileOut);
+  	  return 0;
+  	}
+
+	switch(type) {
+		case ENCODE:
+       	fseek(fI, 10L, SEEK_SET);
+        fread(mrgb, 1, 4, fI);
+        offset = mrgb[3];
+        offset <<= 8;
+        offset += mrgb[2];
+        offset <<= 8;
+        offset += mrgb[1];
+        offset <<= 8;
+        offset += mrgb[0];
+
+
+        fseek(fI, 18L, SEEK_SET);
+        fread(mrgb, 1, 4, fI);
+        x = ((int)mrgb[3] << 24) + ((int)mrgb[2] << 16) + ((int)mrgb[1] << 8) + mrgb[0];
+        fseek(fI, 22L, SEEK_SET);
+        fread(mrgb, 1, 4, fI);
+        y = ((int)mrgb[3] << 24) + ((int)mrgb[2] << 16) + ((int)mrgb[1] << 8) + mrgb[0];
+        fseek(fI, 28L, SEEK_SET);
+        fread(mrgb, 1, 2, fI);
+        depth = ((int)mrgb[1] << 8) + mrgb[0];
+
+        printf("Image Resolution: %d x %d x %i \n", x, y, depth);
+
+		fseek(fI, offset, SEEK_SET);
+
+		fread(Image1, sizeof(unsigned char), (x*y*(depth/3)), fI);
+
+		break;
+		case DECODE:
+
+		break;
+	}
+/*	End for just for testing on the PC		*/
 
 
 	retval = 0;