Working on framebuffer graphics.

1 files changed, 35 insertions, 8 deletions

diff --git a/framebuffer.c b/framebuffer.c
index 9902fa1..665b833 100644
--- a/framebuffer.c
+++ b/framebuffer.c
@@ -1,14 +1,41 @@
 #include<stdio.h>
 #include<stdlib.h>
 
+#define SSIZE 3145728
+#define INFILE "/home/main/c-stuff/fbshot"
+
 int main( void ) {
-    printf("Here goes nothing!");
-    getchar();
-    FILE *fbp = fopen( "/dev/fb0", "w");
-    int i;
-    for( i = 0; i < 1044480; i++ )
-        fputc(i, fbp);
-    fclose( fbp );
-}
+    FILE *fbp = fopen( "/dev/fb0", "w" );
+    if (!fbp) {
+        puts("Failed to open /dev/fb0");
+        exit(1);
+    }
 
+    FILE *infile = fopen( INFILE, "r" );
+    if (!infile) {
+        printf("Failed to open %s\n", INFILE);
+        exit(1);
+    }
 
+    int i, ii, iii;
+    for ( iii = 0; iii < 768 / 2; iii++ ) {
+        for ( i = 0; i < 1024; i++ ) {
+            fputc(0, fbp);
+            fputc(255, fbp);
+            fputc(0, fbp);
+            fputc(255, fbp);
+        }
+        for ( i = 0; i < 1024; i++ ) {
+            for ( ii = 0; ii < 4; ii++ )
+                fputc(0, fbp);
+        }
+    }
+
+    /*
+    char c;
+    while((c = fgetc(infile)) != EOF)
+        fputc(c, fbp);
+    */
+    fclose( fbp );
+    fclose( infile );
+}