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comparison Framework/Applications/Sdl/SdlWindow.cpp @ 0:351ab0da0150

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initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 14 Oct 2016 15:34:11 +0200
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children ff1e935768e7
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-1:000000000000 0:351ab0da0150
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * In addition, as a special exception, the copyright holders of this
12 * program give permission to link the code of its release with the
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
14 * that use the same license as the "OpenSSL" library), and distribute
15 * the linked executables. You must obey the GNU General Public License
16 * in all respects for all of the code used other than "OpenSSL". If you
17 * modify file(s) with this exception, you may extend this exception to
18 * your version of the file(s), but you are not obligated to do so. If
19 * you do not wish to do so, delete this exception statement from your
20 * version. If you delete this exception statement from all source files
21 * in the program, then also delete it here.
22 *
23 * This program is distributed in the hope that it will be useful, but
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 **/
31
32
33 #include "SdlWindow.h"
34
35 #if ORTHANC_ENABLE_SDL == 1
36
37 #include "../../Orthanc/Core/Logging.h"
38 #include "../../Orthanc/Core/OrthancException.h"
39
40 namespace OrthancStone
41 {
42 SdlWindow::SdlWindow(const char* title,
43 unsigned int width,
44 unsigned int height,
45 bool enableOpenGl) :
46 maximized_(false)
47 {
48 // TODO Understand why, with SDL_WINDOW_OPENGL + MinGW32 + Release
49 // build mode, the application crashes whenever the SDL window is
50 // resized or maximized
51
52 uint32_t windowFlags, rendererFlags;
53 if (enableOpenGl)
54 {
55 windowFlags = SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE;
56 rendererFlags = SDL_RENDERER_ACCELERATED;
57 }
58 else
59 {
60 windowFlags = SDL_WINDOW_RESIZABLE;
61 rendererFlags = SDL_RENDERER_SOFTWARE;
62 }
63
64 window_ = SDL_CreateWindow(title,
65 SDL_WINDOWPOS_UNDEFINED,
66 SDL_WINDOWPOS_UNDEFINED,
67 width, height, windowFlags);
68
69 if (window_ == NULL)
70 {
71 LOG(ERROR) << "Cannot create the SDL window: " << SDL_GetError();
72 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
73 }
74
75 renderer_ = SDL_CreateRenderer(window_, -1, rendererFlags);
76 if (!renderer_)
77 {
78 LOG(ERROR) << "Cannot create the SDL renderer: " << SDL_GetError();
79 SDL_DestroyWindow(window_);
80 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
81 }
82 }
83
84
85 SdlWindow::~SdlWindow()
86 {
87 if (renderer_ != NULL)
88 {
89 SDL_DestroyRenderer(renderer_);
90 }
91
92 if (window_ != NULL)
93 {
94 SDL_DestroyWindow(window_);
95 }
96 }
97
98
99 unsigned int SdlWindow::GetWidth() const
100 {
101 int w = -1;
102 SDL_GetWindowSize(window_, &w, NULL);
103
104 if (w < 0)
105 {
106 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
107 }
108 else
109 {
110 return static_cast<unsigned int>(w);
111 }
112 }
113
114
115 unsigned int SdlWindow::GetHeight() const
116 {
117 int h = -1;
118 SDL_GetWindowSize(window_, NULL, &h);
119
120 if (h < 0)
121 {
122 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
123 }
124 else
125 {
126 return static_cast<unsigned int>(h);
127 }
128 }
129
130
131 void SdlWindow::Render(SDL_Surface* surface)
132 {
133 //SDL_RenderClear(renderer_);
134
135 SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer_, surface);
136 if (texture != NULL)
137 {
138 SDL_RenderCopy(renderer_, texture, NULL, NULL);
139 SDL_DestroyTexture(texture);
140 }
141
142 SDL_RenderPresent(renderer_);
143 }
144
145
146 void SdlWindow::ToggleMaximize()
147 {
148 if (maximized_)
149 {
150 SDL_RestoreWindow(window_);
151 maximized_ = false;
152 }
153 else
154 {
155 SDL_MaximizeWindow(window_);
156 maximized_ = true;
157 }
158 }
159 }
160
161 #endif