Mercurial > hg > orthanc-stone
annotate Framework/Layers/SliceOutlineRenderer.cpp @ 161:197a5ddaf68c wasm
FiniteProjectiveCamera
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 14 Feb 2018 11:29:26 +0100 |
| parents | e2fe9352f240 |
| children | b70e9be013e4 |
| rev | line source |
|---|---|
| 133 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
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changeset
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
| 133 | 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 "SliceOutlineRenderer.h" | |
| 23 | |
| 24 namespace OrthancStone | |
| 25 { | |
| 26 bool SliceOutlineRenderer::RenderLayer(CairoContext& context, | |
| 27 const ViewportGeometry& view) | |
| 28 { | |
| 29 if (style_.visible_) | |
| 30 { | |
| 31 cairo_t *cr = context.GetObject(); | |
| 32 cairo_save(cr); | |
| 33 | |
| 34 context.SetSourceColor(style_.drawColor_); | |
| 35 | |
| 36 double x1 = -0.5 * pixelSpacingX_; | |
| 37 double y1 = -0.5 * pixelSpacingY_; | |
| 38 | |
| 39 cairo_set_line_width(cr, 1.0 / view.GetZoom()); | |
| 40 cairo_rectangle(cr, x1, y1, | |
| 41 static_cast<double>(width_) * pixelSpacingX_, | |
| 42 static_cast<double>(height_) * pixelSpacingY_); | |
| 43 | |
| 44 double handleSize = 10.0f / view.GetZoom(); | |
| 45 cairo_move_to(cr, x1 + handleSize, y1); | |
| 46 cairo_line_to(cr, x1, y1 + handleSize); | |
| 47 | |
| 48 cairo_stroke(cr); | |
| 49 cairo_restore(cr); | |
| 50 } | |
| 51 | |
| 52 return true; | |
| 53 } | |
| 54 } |