Mercurial > hg > orthanc-stone

comparison Deprecated/Applications/Sdl/SdlCairoSurface.cpp @ 1399:ff8d2e46ac63

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
moved Applications into Deprecated
author Alain Mazy <alain@mazy.be>
date Wed, 29 Apr 2020 20:44:31 +0200
parents Applications/Sdl/SdlCairoSurface.cpp@2d8ab34c8c91
children
comparison
equal deleted inserted replaced
1398:c5403d52078c 1399:ff8d2e46ac63
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #include "SdlCairoSurface.h"
23
24 #if ORTHANC_ENABLE_SDL == 1
25
26 #include <Core/Logging.h>
27 #include <Core/OrthancException.h>
28
29 namespace OrthancStone
30 {
31 SdlCairoSurface::SdlCairoSurface(SdlWindow& window) :
32 window_(window),
33 sdlSurface_(NULL)
34 {
35 }
36
37
38 SdlCairoSurface::~SdlCairoSurface()
39 {
40 if (sdlSurface_)
41 {
42 SDL_FreeSurface(sdlSurface_);
43 }
44 }
45
46
47 void SdlCairoSurface::SetSize(unsigned int width,
48 unsigned int height)
49 {
50 if (cairoSurface_.get() == NULL ||
51 cairoSurface_->GetWidth() != width ||
52 cairoSurface_->GetHeight() != height)
53 {
54 cairoSurface_.reset(new CairoSurface(width, height, false /* no alpha */));
55
56 // TODO Big endian?
57 static const uint32_t rmask = 0x00ff0000;
58 static const uint32_t gmask = 0x0000ff00;
59 static const uint32_t bmask = 0x000000ff;
60
61 if (sdlSurface_)
62 {
63 SDL_FreeSurface(sdlSurface_);
64 }
65
66 sdlSurface_ = SDL_CreateRGBSurfaceFrom(cairoSurface_->GetBuffer(), width, height, 32,
67 cairoSurface_->GetPitch(), rmask, gmask, bmask, 0);
68 if (!sdlSurface_)
69 {
70 LOG(ERROR) << "Cannot create a SDL surface from a Cairo surface";
71 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
72 }
73 }
74 }
75
76
77 void SdlCairoSurface::Render(Deprecated::IViewport& viewport)
78 {
79 if (cairoSurface_.get() == NULL)
80 {
81 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
82 }
83
84 Orthanc::ImageAccessor target;
85 cairoSurface_->GetWriteableAccessor(target);
86
87 if (viewport.Render(target))
88 {
89 window_.Render(sdlSurface_);
90 }
91 }
92 }
93
94 #endif