1 files changed, 57 insertions, 0 deletions
diff --git a/Magic2/Thumbnail.cpp b/Magic2/Thumbnail.cpp
new file mode 100644
index 0000000..f855084
--- /dev/null
+++ b/Magic2/Thumbnail.cpp
@@ -0,0 +1,57 @@
+/*  Project Magic 2.0
+    Destroyer Studios LLC
+    Copyright © 1997-2004. All Rights Reserved.
+
+    SUBSYSTEM:    Magic.exe
+    FILE:         Thumbnail.h
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    Thumbnail.cpp : implementation file
+*/
+
+#include "stdafx.h"
+#include "Bitmap.h"
+
+// +--------------------------------------------------------------------+
+// Preview a bitmap image in the desired window
+// +--------------------------------------------------------------------+
+
+void ThumbPreview(HWND hprev, Bitmap* bitmap)
+{
+   HDC         hdc      = ::GetDC(hprev);
+   RECT        rect;
+   BITMAPINFO* pbmiDIB  = new BITMAPINFO;
+
+   if (!pbmiDIB)
+      return;
+
+   ::GetClientRect(hprev, &rect);
+
+   pbmiDIB->bmiHeader.biSize           = sizeof(BITMAPINFOHEADER);
+   pbmiDIB->bmiHeader.biWidth          = bitmap->Width();
+   pbmiDIB->bmiHeader.biHeight         = -bitmap->Height();
+   pbmiDIB->bmiHeader.biPlanes         = 1;
+   pbmiDIB->bmiHeader.biBitCount       = 32;
+   pbmiDIB->bmiHeader.biCompression    = BI_RGB;
+   pbmiDIB->bmiHeader.biSizeImage      = 0;
+   pbmiDIB->bmiHeader.biXPelsPerMeter  = 0;
+   pbmiDIB->bmiHeader.biYPelsPerMeter  = 0;
+   pbmiDIB->bmiHeader.biClrUsed        = 0;
+   pbmiDIB->bmiHeader.biClrImportant   = 0;
+
+   int result =
+   ::StretchDIBits(hdc, 
+                   1,         1,        128,             128,
+                   0,         0,        bitmap->Width(), bitmap->Height(),
+                   bitmap->HiPixels(),
+                   pbmiDIB,
+                   DIB_RGB_COLORS,
+                   SRCCOPY);
+
+   ::ReleaseDC(hprev, hdc);
+
+   delete pbmiDIB;
+}