New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/drape/drape_tests/img.cpp

@@ -0,0 +1,24 @@
+#include "drape/drape_tests/img.hpp"
+
+void cleanUpQImageMemory(void * mem)
+{
+  free(mem);
+}
+
+QImage CreateImage(uint32_t w, uint32_t h, uint8_t const * mem)
+{
+  int pitch = 32 * (((w - 1) / 32) + 1);
+  int byteCount = pitch * h;
+  unsigned char * buf = (unsigned char *)malloc(byteCount);
+  memset(buf, 0, byteCount);
+  for (uint32_t i = 0; i < h; ++i)
+    memcpy(buf + pitch * i, mem + w * i, w);
+
+  QImage img = QImage(buf, pitch, h, QImage::Format_Indexed8, &cleanUpQImageMemory, buf);
+
+  img.setColorCount(0xFF);
+  for (int i = 0; i < 256; ++i)
+    img.setColor(i, qRgb(255 - i, 255 - i, 255 - i));
+
+  return img;
+}