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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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439
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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133
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #include "SliceOutlineRenderer.h"
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23
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24 namespace OrthancStone
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25 {
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26 bool SliceOutlineRenderer::RenderLayer(CairoContext& context,
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27 const ViewportGeometry& view)
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28 {
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29 if (style_.visible_)
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30 {
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31 cairo_t *cr = context.GetObject();
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32 cairo_save(cr);
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33
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34 context.SetSourceColor(style_.drawColor_);
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35
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36 double x1 = -0.5 * pixelSpacingX_;
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37 double y1 = -0.5 * pixelSpacingY_;
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38
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39 cairo_set_line_width(cr, 1.0 / view.GetZoom());
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40 cairo_rectangle(cr, x1, y1,
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41 static_cast<double>(width_) * pixelSpacingX_,
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42 static_cast<double>(height_) * pixelSpacingY_);
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43
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44 double handleSize = 10.0f / view.GetZoom();
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45 cairo_move_to(cr, x1 + handleSize, y1);
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46 cairo_line_to(cr, x1, y1 + handleSize);
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47
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48 cairo_stroke(cr);
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49 cairo_restore(cr);
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50 }
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51
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52 return true;
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53 }
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54 }
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