1 /***************************************************************************
2  *   Copyright (C) 2005-2019 by the FIFE team                              *
3  *   http://www.fifengine.net                                              *
4  *   This file is part of FIFE.                                            *
5  *                                                                         *
6  *   FIFE is free software; you can redistribute it and/or                 *
7  *   modify it under the terms of the GNU Lesser General Public            *
8  *   License as published by the Free Software Foundation; either          *
9  *   version 2.1 of the License, or (at your option) any later version.    *
10  *                                                                         *
11  *   This library is distributed in the hope that it will be useful,       *
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
14  *   Lesser General Public License for more details.                       *
15  *                                                                         *
16  *   You should have received a copy of the GNU Lesser General Public      *
17  *   License along with this library; if not, write to the                 *
18  *   Free Software Foundation, Inc.,                                       *
19  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
20  ***************************************************************************/
21 
22 // Standard C++ library includes
23 #include <iostream>
24 #include <iomanip>
25 
26 // Platform specific includes
27 #include "fife_unittest.h"
28 
29 // 3rd party library includes
30 #include <boost/scoped_ptr.hpp>
31 #include <boost/shared_ptr.hpp>
32 #include <SDL.h>
33 
34 // FIFE includes
35 // These includes are split up in two parts, separated by one empty line
36 // First block: files included from the FIFE root src directory
37 // Second block: files included from the same folder
38 #include "vfs/vfs.h"
39 #include "util/structures/rect.h"
40 #include "util/time/timemanager.h"
41 #include "vfs/vfsdirectory.h"
42 #include "vfs/raw/rawdata.h"
43 #include "video/image_location.h"
44 #include "video/image.h"
45 #include "video/imagepool.h"
46 #include "video/sdl/renderbackendsdl.h"
47 #include "video/opengl/renderbackendopengl.h"
48 #include "loaders/native/video_loaders/image_loader.h"
49 #include "loaders/native/video_loaders/subimage_loader.h"
50 #include "util/base/exception.h"
51 
52 using namespace FIFE;
53 
54 static const std::string IMAGE_FILE = "tests/data/beach_e1.png";
55 static const std::string ALPHA_IMAGE_FILE = "tests/data/alpha_fidgit.png";
56 static const std::string SUBIMAGE_FILE = "tests/data/rpg_tiles_01.png";
57 
58 // Environment
59 struct environment {
60 	boost::shared_ptr<TimeManager> timemanager;
61 	boost::shared_ptr<VFS> vfs;
62 
environmentenvironment63 	environment()
64 		: timemanager(new TimeManager()),
65 		  vfs(new VFS()) {
66 		vfs->addSource(new VFSDirectory(vfs.get()));
67 			if (SDL_Init(SDL_INIT_NOPARACHUTE | SDL_INIT_TIMER) < 0) {
68 				throw SDLException(SDL_GetError());
69 			}
70 		}
71 };
72 
test_image(VFS * vfs,RenderBackend & renderbackend)73 void test_image(VFS* vfs, RenderBackend& renderbackend) {
74 	renderbackend.init();
75 	renderbackend.createMainScreen(800, 600, 0, false, "FIFE", "");
76 
77 	ImageLoader provider(vfs);
78 	boost::scoped_ptr<Image> img(dynamic_cast<Image*>(provider.loadResource(ImageLocation(IMAGE_FILE))));
79 
80 	int h = img->getHeight();
81 	int w = img->getWidth();
82 	for (int i = 0; i < 100; i++) {
83 		renderbackend.startFrame();
84 		img->render(Rect(i, i, w, h));
85 		renderbackend.endFrame();
86 	}
87 	for (int j = 0; j < 5; j++) {
88 		for (int i = -10; i < 10; i++) {
89 			renderbackend.startFrame();
90 			img->setXShift(i);
91 			img->setYShift(i);
92 			img->render(Rect(200, 200, w, h));
93 			renderbackend.endFrame();
94 		}
95 	}
96 }
97 
test_subimage(VFS * vfs,RenderBackend & renderbackend)98 void test_subimage(VFS* vfs, RenderBackend& renderbackend) {
99 	renderbackend.init();
100 	renderbackend.createMainScreen(800, 600, 0, false, "FIFE", "");
101 
102 	ImageLoader imgprovider(vfs);
103 	boost::scoped_ptr<Image> img(dynamic_cast<Image*>(imgprovider.loadResource(ImageLocation(SUBIMAGE_FILE))));
104 
105 	ImageLocation location(SUBIMAGE_FILE);
106 	location.setParentSource(&*img);
107 	int W = img->getWidth();
108 	int w = W / 12;
109 	int H = img->getHeight();
110 	int h = H / 12;
111 	location.setWidth(w);
112 	location.setHeight(h);
113 	std::vector<Image*> subimages;
114 
115 	SubImageLoader subprovider;
116 	for (int x = 0; x < (W - w); x+=w) {
117 		for (int y = 0; y < (H - h); y+=h) {
118 			location.setXShift(x);
119 			location.setYShift(y);
120 			Image* sub = dynamic_cast<Image*>(subprovider.loadResource(location));
121 			subimages.push_back(sub);
122 		}
123 	}
124 
125 	for (unsigned int i = 0; i < 200; i++) {
126 		renderbackend.startFrame();
127 		subimages[i / 40]->render(Rect(200, 200, w, h));
128 		renderbackend.endFrame();
129 	}
130 	std::vector<Image*>::iterator i = subimages.begin();
131 	while (i != subimages.end()) {
132 		delete *i;
133 		i++;
134 	}
135 
136 }
137 
TEST(test_sdl_alphaoptimize)138 TEST(test_sdl_alphaoptimize)
139 {
140 	environment env;
141 	RenderBackendSDL renderbackend;
142 	renderbackend.init();
143 	renderbackend.createMainScreen(800, 600, 0, false, "FIFE", "");
144 	renderbackend.setAlphaOptimizerEnabled(true);
145 
146 	ImageLoader provider(env.vfs.get());
147 	env.vfs.get()->exists(IMAGE_FILE);
148 	boost::scoped_ptr<Image> img(dynamic_cast<Image*>(provider.loadResource(ImageLocation(IMAGE_FILE))));
149 	env.vfs.get()->exists(ALPHA_IMAGE_FILE);
150 	boost::scoped_ptr<Image> alpha_img(dynamic_cast<Image*>(provider.loadResource(ImageLocation(ALPHA_IMAGE_FILE))));
151 
152 	int h0 = img->getHeight();
153 	int w0 = img->getWidth();
154 
155 	int h1 = alpha_img->getHeight();
156 	int w1 = alpha_img->getWidth();
157 	for(int i=0; i != 200; ++i) {
158 		renderbackend.startFrame();
159 		img->render(Rect(i, i, w0, h0));
160 		alpha_img->render(Rect(i, i, w1, h1));
161 		alpha_img->render(Rect(i, h0+i, w1, h1));
162 		img->render(Rect(i, h0+i, w0, h0));
163 		renderbackend.endFrame();
164 	}
165 
166 	CHECK(img->getSurface()->format->Amask == 0);
167 	CHECK(alpha_img->getSurface()->format->Amask != 0);
168 }
169 
TEST(test_sdl_image)170 TEST(test_sdl_image)
171 {
172 	environment env;
173 	RenderBackendSDL renderbackend;
174 	test_image(env.vfs.get(), renderbackend);
175 }
176 
TEST(test_ogl_image)177 TEST(test_ogl_image)
178 {
179 	environment env;
180 	RenderBackendOpenGL renderbackend;
181 	test_image(env.vfs.get(), renderbackend);
182 }
183 
TEST(test_sdl_subimage)184 TEST(test_sdl_subimage)
185 {
186 	environment env;
187 	RenderBackendSDL renderbackend;
188 	CHECK(env.vfs.get()->exists(IMAGE_FILE));
189 	test_subimage(env.vfs.get(), renderbackend);
190 }
191 
TEST(test_ogl_subimage)192 TEST(test_ogl_subimage)
193 {
194 	environment env;
195 	RenderBackendOpenGL renderbackend;
196 	test_subimage(env.vfs.get(), renderbackend);
197 }
198 
199 // need this here because SDL redefines
200 // main to SDL_main in SDL_main.h
201 #ifdef main
202 #undef main
203 #endif
204 
main()205 int main()
206 {
207 	return UnitTest::RunAllTests();
208 }
209