work in progress - support for bitmaps and BitBlt

src/bitmap.c

@@ -0,0 +1,25 @@
+#include <stdlib.h>
+#include <string.h>
+#include "bitmap.h"
+
+PBITMAP BMP_Create(INT32 width, INT32 height, const VOID *bits)
+{
+  PBITMAP rc;
+  UINT32 tot_size = sizeof(BITMAP) + (width * height * sizeof(UINT16));
+
+  rc = (PBITMAP)malloc(tot_size);
+  if (!rc)
+    return NULL;
+  memset(rc, 0, tot_size);
+  _Go_init(&(rc->hdr), BMP_SIG_WORD, tot_size);
+  rc->width = width;
+  rc->height = height;
+  if (bits)
+    memcpy(rc->bits, bits, width * height * sizeof(UINT16));
+  return rc;
+}
+
+void BMP_Delete(PBITMAP pbmp)
+{
+  Go_release(&(pbmp->hdr));
+}