--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/core_tests/test_images++.cpp	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,198 @@
+/***************************************************************************
+ *   Copyright (C) 2005-2008 by the FIFE team                              *
+ *   http://www.fifengine.de                                               *
+ *   This file is part of FIFE.                                            *
+ *                                                                         *
+ *   FIFE is free software; you can redistribute it and/or modify          *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA              *
+ ***************************************************************************/
+
+// Standard C++ library includes
+#include <iostream>
+#include <iomanip>
+
+// Platform specific includes
+#include "fife_unittest++.h"
+
+// 3rd party library includes
+#include <boost/scoped_ptr.hpp>
+#include <boost/shared_ptr.hpp>
+#include <SDL.h>
+
+// FIFE includes
+// These includes are split up in two parts, separated by one empty line
+// First block: files included from the FIFE root src directory
+// Second block: files included from the same folder
+#include "vfs/vfs.h"
+#include "util/structures/rect.h"
+#include "util/time/timemanager.h"
+#include "vfs/vfsdirectory.h"
+#include "vfs/raw/rawdata.h"
+#include "video/image_location.h"
+#include "video/image.h"
+#include "video/imagepool.h"
+#include "video/sdl/renderbackendsdl.h"
+#include "video/opengl/renderbackendopengl.h"
+#include "loaders/native/video_loaders/image_loader.h"
+#include "loaders/native/video_loaders/subimage_loader.h"
+#include "util/base/exception.h"
+
+using namespace FIFE;
+
+static const std::string IMAGE_FILE = "../../tests/data/beach_e1.png";
+static const std::string ALPHA_IMAGE_FILE = "../../tests/data/alpha_fidgit.png";
+static const std::string SUBIMAGE_FILE = "../../tests/data/rpg_tiles_01.png";
+
+// Environment
+struct environment {
+	boost::shared_ptr<TimeManager> timemanager;
+	boost::shared_ptr<VFS> vfs;
+
+	environment()
+		: timemanager(new TimeManager()),
+		  vfs(new VFS()) {
+		vfs->addSource(new VFSDirectory(vfs.get()));
+			if (SDL_Init(SDL_INIT_NOPARACHUTE | SDL_INIT_TIMER) < 0) {	
+				throw SDLException(SDL_GetError());
+			}
+		}
+};
+
+void test_image(VFS* vfs, RenderBackend& renderbackend) {
+	renderbackend.init();
+	renderbackend.createMainScreen(800, 600, 0, false);
+
+	ImageLoader provider(vfs);
+	boost::scoped_ptr<Image> img(provider.load(ImageLocation(IMAGE_FILE)));
+	
+	int h = img->getHeight();
+	int w = img->getWidth();
+	for (int i = 0; i < 100; i++) {
+		renderbackend.startFrame();
+		img->render(Rect(i, i, w, h));
+		renderbackend.endFrame();
+	}	
+	for (int j = 0; j < 5; j++) {
+		for (int i = -10; i < 10; i++) {
+			renderbackend.startFrame();
+			img->setXShift(i);
+			img->setYShift(i);
+			img->render(Rect(200, 200, w, h));
+			renderbackend.endFrame();
+		}	
+	}
+}
+
+void test_subimage(VFS* vfs, RenderBackend& renderbackend) {
+	renderbackend.init();
+	renderbackend.createMainScreen(800, 600, 0, false);
+
+	ImageLoader imgprovider(vfs);
+	boost::scoped_ptr<Image> img(imgprovider.load(ImageLocation(SUBIMAGE_FILE)));
+
+	ImageLocation location(SUBIMAGE_FILE);
+	location.setParentSource(&*img);
+	int W = img->getWidth();
+	int w = W / 12;
+	int H = img->getHeight();
+	int h = H / 12;
+	location.setWidth(w);
+	location.setHeight(h);
+	std::vector<Image*> subimages;
+
+	SubImageLoader subprovider;
+	for (int x = 0; x < (W - w); x+=w) {
+		for (int y = 0; y < (H - h); y+=h) {
+			location.setXShift(x);
+			location.setYShift(y);
+			Image* sub = subprovider.load(location);
+			subimages.push_back(sub);
+		}
+	}
+	
+	for (unsigned int i = 0; i < 200; i++) {
+		renderbackend.startFrame();
+		subimages[i / 40]->render(Rect(200, 200, w, h));
+		renderbackend.endFrame();
+	}
+	std::vector<Image*>::iterator i = subimages.begin();
+	while (i != subimages.end()) {
+		delete *i;
+		i++;
+	}
+
+}
+
+TEST(test_sdl_alphaoptimize)
+{
+	environment env;
+	RenderBackendSDL renderbackend;
+	renderbackend.init();
+	renderbackend.createMainScreen(800, 600, 0, false);
+	renderbackend.setAlphaOptimizerEnabled(true);
+		
+	ImageLoader provider(env.vfs.get());
+	env.vfs.get()->exists(IMAGE_FILE);
+	boost::scoped_ptr<Image> img(provider.load(ImageLocation(IMAGE_FILE)));
+	env.vfs.get()->exists(ALPHA_IMAGE_FILE);
+	boost::scoped_ptr<Image> alpha_img(provider.load(ImageLocation(ALPHA_IMAGE_FILE)));
+
+	int h0 = img->getHeight();
+	int w0 = img->getWidth();
+	
+	int h1 = alpha_img->getHeight();
+	int w1 = alpha_img->getWidth();
+	for(int i=0; i != 200; ++i) {
+		renderbackend.startFrame();
+		img->render(Rect(i, i, w0, h0));
+		alpha_img->render(Rect(i, i, w1, h1));
+		alpha_img->render(Rect(i, h0+i, w1, h1));
+		img->render(Rect(i, h0+i, w0, h0));
+		renderbackend.endFrame();
+	}
+	
+	CHECK(img->getSurface()->format->Amask == 0);
+	CHECK(alpha_img->getSurface()->format->Amask != 0);
+}
+
+TEST(test_sdl_image)
+{
+	environment env;
+	RenderBackendSDL renderbackend;
+	test_image(env.vfs.get(), renderbackend);
+}
+
+TEST(test_ogl_image)
+{
+	environment env;
+	RenderBackendOpenGL renderbackend;
+	test_image(env.vfs.get(), renderbackend);
+}
+
+TEST(test_sdl_subimage)
+{
+	environment env;
+	RenderBackendSDL renderbackend;
+	CHECK(env.vfs.get()->exists(IMAGE_FILE));
+	test_subimage(env.vfs.get(), renderbackend);
+}
+
+TEST(test_ogl_subimage)
+{
+	environment env;
+	RenderBackendOpenGL renderbackend;
+	test_subimage(env.vfs.get(), renderbackend);
+}
+