Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Scene2D/Internals/CairoPolylineRenderer.cpp @ 1675:6fa05252b085

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
don't load low-quality image if the parsed dicom file is cached by the oracle
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 23 Nov 2020 18:09:14 +0100
parents 8563ea5d8ae4
children 9ac2a65d4172
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
595
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
1 /**
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
2 * Stone of Orthanc
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
4 * Department, University Hospital of Liege, Belgium
1270
2d8ab34c8c91 upgrade to year 2020
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 888
diff changeset
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
595
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
6 *
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
7 * This program is free software: you can redistribute it and/or
1598
8563ea5d8ae4 relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1596
diff changeset
8 * modify it under the terms of the GNU Lesser General Public License
595
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
9 * as published by the Free Software Foundation, either version 3 of
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
10 * the License, or (at your option) any later version.
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
11 *
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
12 * This program is distributed in the hope that it will be useful, but
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
1598
8563ea5d8ae4 relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1596
diff changeset
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
8563ea5d8ae4 relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1596
diff changeset
15 * Lesser General Public License for more details.
1596
4fb8fdf03314 removed annoying whitespace
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1512
diff changeset
16 *
1598
8563ea5d8ae4 relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1596
diff changeset
17 * You should have received a copy of the GNU Lesser General Public
8563ea5d8ae4 relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1596
diff changeset
18 * License along with this program. If not, see
8563ea5d8ae4 relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1596
diff changeset
19 * <http://www.gnu.org/licenses/>.
595
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
20 **/
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
21
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
22
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
23 #include "CairoPolylineRenderer.h"
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
24
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
25 #include "../PolylineSceneLayer.h"
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
26
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
27 namespace OrthancStone
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
28 {
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
29 namespace Internals
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
30 {
888
6e888cf6a48b renderers now have access to canvas width/height
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 804
diff changeset
31 void CairoPolylineRenderer::Render(const AffineTransform2D& transform,
6e888cf6a48b renderers now have access to canvas width/height
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 804
diff changeset
32 unsigned int canvasWidth,
6e888cf6a48b renderers now have access to canvas width/height
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 804
diff changeset
33 unsigned int canvasHeight)
595
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
34 {
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
35 const PolylineSceneLayer& layer = GetLayer<PolylineSceneLayer>();
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
36
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
37 cairo_t* cr = GetCairoContext();
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
38
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
39 cairo_set_line_width(cr, layer.GetThickness());
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
40
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
41 for (size_t i = 0; i < layer.GetChainsCount(); i++)
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
42 {
804
61ba4b504e9a PolylineSceneLayer now has one color per chain
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 595
diff changeset
43 const Color& color = layer.GetColor(i);
61ba4b504e9a PolylineSceneLayer now has one color per chain
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 595
diff changeset
44 cairo_set_source_rgb(cr, color.GetRedAsFloat(),
61ba4b504e9a PolylineSceneLayer now has one color per chain
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 595
diff changeset
45 color.GetGreenAsFloat(),
61ba4b504e9a PolylineSceneLayer now has one color per chain
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 595
diff changeset
46 color.GetBlueAsFloat());
61ba4b504e9a PolylineSceneLayer now has one color per chain
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 595
diff changeset
47
595
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
48 const PolylineSceneLayer::Chain& chain = layer.GetChain(i);
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
49
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
50 if (!chain.empty())
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
51 {
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
52 for (size_t j = 0; j < chain.size(); j++)
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
53 {
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
54 ScenePoint2D p = chain[j].Apply(transform);
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
55
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
56 if (j == 0)
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
57 {
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
58 cairo_move_to(cr, p.GetX(), p.GetY());
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
59 }
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
60 else
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
61 {
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
62 cairo_line_to(cr, p.GetX(), p.GetY());
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
63 }
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
64 }
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
65
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
66 if (layer.IsClosedChain(i))
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
67 {
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
68 ScenePoint2D p = chain[0].Apply(transform);
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
69 cairo_line_to(cr, p.GetX(), p.GetY());
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
70 }
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
71 }
804
61ba4b504e9a PolylineSceneLayer now has one color per chain
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 595
diff changeset
72
61ba4b504e9a PolylineSceneLayer now has one color per chain
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 595
diff changeset
73 cairo_stroke(cr);
595
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
74 }
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
75 }
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
76 }
6e471e6cf09b CairoPolylineRenderer, SdlOpenGLWindow
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
77 }