Mercurial > hg > orthanc-stone
view Samples/WebAssembly/BasicScene.cpp @ 1327:4f8db2d202c8 broker
OrthancSeriesProgressiveLoader now has two modes that
can be selected at object creation :
- progressive (will first load jpeg50, then jpeg90 then PAM)
- non-progressive (will directly load PAM (uncompressed))
Please note that the slice loading order remains dynamic
and depending upon the slice that the client code wishes
to extract from the volume.
author | Benjamin Golinvaux <bgo@osimis.io> |
---|---|
date | Wed, 25 Mar 2020 14:34:27 +0100 |
parents | 8a0a62189f46 |
children |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2020 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "dev.h" #include <emscripten.h> #include <emscripten/html5.h> // From Stone #include "../../Framework/Scene2D/ColorTextureSceneLayer.h" #include "../../Framework/StoneInitialization.h" // From Orthanc framework #include <Core/Images/Image.h> #include <Core/Logging.h> #include <Core/OrthancException.h> void PrepareScene(OrthancStone::Scene2D& scene) { using namespace OrthancStone; // Texture of 2x2 size if (1) { Orthanc::Image i(Orthanc::PixelFormat_RGB24, 2, 2, false); uint8_t *p = reinterpret_cast<uint8_t*>(i.GetRow(0)); p[0] = 255; p[1] = 0; p[2] = 0; p[3] = 0; p[4] = 255; p[5] = 0; p = reinterpret_cast<uint8_t*>(i.GetRow(1)); p[0] = 0; p[1] = 0; p[2] = 255; p[3] = 255; p[4] = 0; p[5] = 0; scene.SetLayer(12, new ColorTextureSceneLayer(i)); std::unique_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); l->SetOrigin(-3, 2); l->SetPixelSpacing(1.5, 1); l->SetAngle(20.0 / 180.0 * M_PI); scene.SetLayer(14, l.release()); } // Texture of 1x1 size if (1) { Orthanc::Image i(Orthanc::PixelFormat_RGB24, 1, 1, false); uint8_t *p = reinterpret_cast<uint8_t*>(i.GetRow(0)); p[0] = 255; p[1] = 0; p[2] = 0; std::unique_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); l->SetOrigin(-2, 1); l->SetAngle(20.0 / 180.0 * M_PI); scene.SetLayer(13, l.release()); } // Some lines if (1) { std::unique_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer); layer->SetThickness(1); PolylineSceneLayer::Chain chain; chain.push_back(ScenePoint2D(0 - 0.5, 0 - 0.5)); chain.push_back(ScenePoint2D(0 - 0.5, 2 - 0.5)); chain.push_back(ScenePoint2D(2 - 0.5, 2 - 0.5)); chain.push_back(ScenePoint2D(2 - 0.5, 0 - 0.5)); layer->AddChain(chain, true, 255, 0, 0); chain.clear(); chain.push_back(ScenePoint2D(-5, -5)); chain.push_back(ScenePoint2D(5, -5)); chain.push_back(ScenePoint2D(5, 5)); chain.push_back(ScenePoint2D(-5, 5)); layer->AddChain(chain, true, 0, 255, 0); double dy = 1.01; chain.clear(); chain.push_back(ScenePoint2D(-4, -4)); chain.push_back(ScenePoint2D(4, -4 + dy)); chain.push_back(ScenePoint2D(-4, -4 + 2.0 * dy)); chain.push_back(ScenePoint2D(4, 2)); layer->AddChain(chain, false, 0, 0, 255); scene.SetLayer(50, layer.release()); } // Some text if (1) { std::unique_ptr<TextSceneLayer> layer(new TextSceneLayer); layer->SetText("Hello"); scene.SetLayer(100, layer.release()); } } std::unique_ptr<OrthancStone::WebAssemblyViewport> viewport1_; std::unique_ptr<OrthancStone::WebAssemblyViewport> viewport2_; std::unique_ptr<OrthancStone::WebAssemblyViewport> viewport3_; boost::shared_ptr<OrthancStone::ViewportController> controller1_; boost::shared_ptr<OrthancStone::ViewportController> controller2_; boost::shared_ptr<OrthancStone::ViewportController> controller3_; OrthancStone::MessageBroker broker_; EM_BOOL OnWindowResize( int eventType, const EmscriptenUiEvent *uiEvent, void *userData) { if (viewport1_.get() != NULL) { viewport1_->UpdateSize(); } if (viewport2_.get() != NULL) { viewport2_->UpdateSize(); } if (viewport3_.get() != NULL) { viewport3_->UpdateSize(); } return true; } extern "C" { int main(int argc, char const *argv[]) { OrthancStone::StoneInitialize(); // Orthanc::Logging::EnableInfoLevel(true); // Orthanc::Logging::EnableTraceLevel(true); EM_ASM(window.dispatchEvent(new CustomEvent("WebAssemblyLoaded"));); } EMSCRIPTEN_KEEPALIVE void Initialize() { viewport1_.reset(new OrthancStone::WebAssemblyViewport("mycanvas1")); PrepareScene(viewport1_->GetScene()); viewport1_->UpdateSize(); viewport2_.reset(new OrthancStone::WebAssemblyViewport("mycanvas2")); PrepareScene(viewport2_->GetScene()); viewport2_->UpdateSize(); viewport3_.reset(new OrthancStone::WebAssemblyViewport("mycanvas3")); PrepareScene(viewport3_->GetScene()); viewport3_->UpdateSize(); viewport1_->GetCompositor().SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, FONT_SIZE, Orthanc::Encoding_Latin1); viewport2_->GetCompositor().SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, FONT_SIZE, Orthanc::Encoding_Latin1); viewport3_->GetCompositor().SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, FONT_SIZE, Orthanc::Encoding_Latin1); controller1_.reset(new OrthancStone::ViewportController(boost::make_shared<OrthancStone::UndoStack>(), broker_, *viewport1_)); controller2_.reset(new OrthancStone::ViewportController(boost::make_shared<OrthancStone::UndoStack>(), broker_, *viewport2_)); controller3_.reset(new OrthancStone::ViewportController(boost::make_shared<OrthancStone::UndoStack>(), broker_, *viewport3_)); controller1_->FitContent(viewport1_->GetCanvasWidth(), viewport1_->GetCanvasHeight()); controller2_->FitContent(viewport2_->GetCanvasWidth(), viewport2_->GetCanvasHeight()); controller3_->FitContent(viewport3_->GetCanvasWidth(), viewport3_->GetCanvasHeight()); viewport1_->Refresh(); viewport2_->Refresh(); viewport3_->Refresh(); SetupEvents("mycanvas1", controller1_); SetupEvents("mycanvas2", controller2_); SetupEvents("mycanvas3", controller3_); emscripten_set_resize_callback("#window", NULL, false, OnWindowResize); } }