Mercurial > hg > orthanc-stone
annotate Framework/Scene2D/Internals/CairoInfoPanelRenderer.cpp @ 1268:9a0a95c0b578
sync
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 31 Jan 2020 17:25:27 +0100 |
| parents | 6e79e8c9021c |
| children | 2d8ab34c8c91 |
| rev | line source |
|---|---|
| 597 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * Copyright (C) 2017-2019 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 "CairoInfoPanelRenderer.h" | |
| 23 | |
| 24 #include "../InfoPanelSceneLayer.h" | |
| 25 | |
| 26 namespace OrthancStone | |
| 27 { | |
| 28 namespace Internals | |
| 29 { | |
| 30 void CairoInfoPanelRenderer::Update(const ISceneLayer& layer) | |
| 31 { | |
| 32 const InfoPanelSceneLayer& l = dynamic_cast<const InfoPanelSceneLayer&>(layer); | |
| 33 | |
| 34 texture_.Copy(l.GetTexture(), true); | |
| 35 anchor_ = l.GetAnchor(); | |
| 36 isLinearInterpolation_ = l.IsLinearInterpolation(); | |
| 37 } | |
| 38 | |
| 39 | |
|
888
6e888cf6a48b
renderers now have access to canvas width/height
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
597
diff
changeset
|
40 void CairoInfoPanelRenderer::Render(const AffineTransform2D& transform, |
|
6e888cf6a48b
renderers now have access to canvas width/height
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
597
diff
changeset
|
41 unsigned int canvasWidth, |
|
6e888cf6a48b
renderers now have access to canvas width/height
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
597
diff
changeset
|
42 unsigned int canvasHeight) |
| 597 | 43 { |
| 44 int dx, dy; | |
| 45 InfoPanelSceneLayer::ComputeAnchorLocation( | |
| 46 dx, dy, anchor_, texture_.GetWidth(), texture_.GetHeight(), | |
|
888
6e888cf6a48b
renderers now have access to canvas width/height
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
597
diff
changeset
|
47 canvasWidth, canvasHeight); |
| 597 | 48 |
| 49 cairo_t* cr = target_.GetCairoContext(); | |
| 50 | |
| 51 cairo_save(cr); | |
| 52 | |
| 53 cairo_matrix_t t; | |
| 54 cairo_matrix_init_identity(&t); | |
| 55 cairo_matrix_translate(&t, dx, dy); | |
| 56 cairo_transform(cr, &t); | |
| 57 | |
| 58 cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | |
| 59 cairo_set_source_surface(cr, texture_.GetObject(), 0, 0); | |
| 60 | |
| 61 if (isLinearInterpolation_) | |
| 62 { | |
| 63 cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_BILINEAR); | |
| 64 } | |
| 65 else | |
| 66 { | |
| 67 cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST); | |
| 68 } | |
| 69 | |
| 70 cairo_paint(cr); | |
| 71 | |
| 72 cairo_restore(cr); | |
| 73 } | |
| 74 } | |
| 75 } |