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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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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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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 "OpenGLTextRenderer.h"
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23
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24 namespace OrthancStone
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25 {
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26 namespace Internals
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27 {
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28 void OpenGLTextRenderer::LoadLayer(const TextSceneLayer& layer)
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29 {
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30 data_.reset(new OpenGLTextProgram::Data(context_, alphabet_, layer));
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31 }
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32
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33
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34 OpenGLTextRenderer::OpenGLTextRenderer(OpenGL::IOpenGLContext& context,
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35 OpenGLTextProgram& program,
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36 const GlyphTextureAlphabet& alphabet,
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37 OpenGL::OpenGLTexture& texture,
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38 const TextSceneLayer& layer) :
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39 context_(context),
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40 program_(program),
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41 alphabet_(alphabet),
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42 texture_(texture)
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43 {
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44 LoadLayer(layer);
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45 }
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46
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47
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48 void OpenGLTextRenderer::Render(const AffineTransform2D& transform)
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49 {
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50 if (data_.get() != NULL)
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51 {
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52 program_.Apply(texture_, *data_, transform);
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53 }
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54 }
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55
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56
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57 void OpenGLTextRenderer::Update(const ISceneLayer& layer)
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58 {
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59 LoadLayer(dynamic_cast<const TextSceneLayer&>(layer));
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60 }
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61 }
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62 }
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