diff --git a/src/photo.c b/src/photo.c
index 036e2b6..62adf02 100644
--- a/src/photo.c
+++ b/src/photo.c
@@ -69,7 +69,33 @@ static uint32_t bayer_matrix[256] = {
     0x0203ffff, 0x0203ffff, 0x0203ffff, 0x0203ffff, 0x0203ffff,
 };
 
-void cammy_photo_import(cammy_photo *dest, uint8_t *src) {
+void cammy_photo_export(cammy_photo *src, uint8_t *dest, int stride) {
+    static uint8_t values[4] = {
+        0, 86, 171, 255
+    };
+
+    size_t x, y;
+
+    for (y=0; y<CAMMY_PHOTO_HEIGHT; y++) {
+        for (x=0; x<CAMMY_PHOTO_WIDTH; x++) {
+            cammy_tile *tile = &src->tiles[y>>3][x>>3];
+
+            int tile_x = x & 7,
+                tile_y = y & 7;
+
+            uint8_t value = 0;
+
+            value |= (tile->data[ tile_y<<1]    & (8 >> tile_x))
+                  | ((tile->data[(tile_y<<1)+1] & (8 >> tile_x)) << 1);
+
+            value ^= 3;
+
+            dest[stride*CAMMY_PHOTO_WIDTH*y+stride*x]   = values[value];
+            dest[stride*CAMMY_PHOTO_WIDTH*y+stride*x+1] = values[value];
+            dest[stride*CAMMY_PHOTO_WIDTH*y+stride*x+2] = values[value];
+        }
+    }
+}
 
 void cammy_photo_import(cammy_photo *dest, uint8_t *src, int stride) {
     size_t x, y;