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DSTexCompress/FreeImage/Examples/Generic/CloneMultiPage.cpp

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+// ==========================================================
+// Multipage functions demonstration
+//
+// Design and implementation by 
+// - Herv<72> Drolon
+//
+// This file is part of FreeImage 3
+//
+// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
+// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
+// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
+// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
+// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
+// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
+// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
+// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
+// THIS DISCLAIMER.
+//
+// Use at own risk!
+// ==========================================================
+
+// This sample shows how to clone a multipage TIFF
+//
+// Functions used in this sample : 
+// FreeImage_OpenMultiBitmap, FreeImage_GetPageCount, FreeImage_LockPage, 
+// FreeImage_AppendPage, FreeImage_UnlockPage, FreeImage_CloseMultiBitmap; 
+// FreeImage_SetOutputMessage
+//
+// ==========================================================
+
+#include <iostream.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "FreeImage.h"
+
+// ----------------------------------------------------------
+
+/**
+	FreeImage error handler
+*/
+void MyMessageFunc(FREE_IMAGE_FORMAT fif, const char *message) {
+	cout << "\n*** " << message << " ***\n";
+	cout.flush();
+}
+
+// ----------------------------------------------------------
+
+bool CloneMultiPage(FREE_IMAGE_FORMAT fif, char *input, char *output, int output_flag) {
+
+	BOOL bMemoryCache = TRUE;
+
+	// Open src file (read-only, use memory cache)
+	FIMULTIBITMAP *src = FreeImage_OpenMultiBitmap(fif, input, FALSE, TRUE, bMemoryCache);
+
+	if(src) {
+		// Open dst file (creation, use memory cache)
+		FIMULTIBITMAP *dst = FreeImage_OpenMultiBitmap(fif, output, TRUE, FALSE, bMemoryCache);
+
+		// Get src page count
+		int count = FreeImage_GetPageCount(src);
+
+		// Clone src to dst
+		for(int page = 0; page < count; page++) {
+			// Load the bitmap at position 'page'
+			FIBITMAP *dib = FreeImage_LockPage(src, page);
+			if(dib) {
+				// add a new bitmap to dst
+				FreeImage_AppendPage(dst, dib);
+				// Unload the bitmap (do not apply any change to src)
+				FreeImage_UnlockPage(src, dib, FALSE);
+			}
+		}
+
+		// Close src
+		FreeImage_CloseMultiBitmap(src, 0);
+		// Save and close dst
+		FreeImage_CloseMultiBitmap(dst, output_flag);
+
+		return true;
+	}
+
+	return false;
+}
+
+
+int 
+main(int argc, char *argv[]) {
+
+	char *input_filename = "images\\input.tif";
+	char *output_filename = "images\\clone.tif";
+
+	// call this ONLY when linking with FreeImage as a static library
+#ifdef FREEIMAGE_LIB
+	FreeImage_Initialise();
+#endif // FREEIMAGE_LIB
+
+	// initialize our own FreeImage error handler
+
+	FreeImage_SetOutputMessage(MyMessageFunc);
+
+	// Copy 'input.tif' to 'clone.tif'
+
+	CloneMultiPage(FIF_TIFF, input_filename, output_filename, 0);
+
+	// call this ONLY when linking with FreeImage as a static library
+#ifdef FREEIMAGE_LIB
+	FreeImage_DeInitialise();
+#endif // FREEIMAGE_LIB
+
+	return 0;
+}