Mercurial > hg > orthanc-stone
view Framework/Widgets/TestWorldSceneWidget.cpp @ 585:b9ce24c606ae
TextSceneLayer
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 19 Apr 2019 17:57:58 +0200 |
parents | 3b4df9925db6 |
children | 4f2416d519b4 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2019 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 "TestWorldSceneWidget.h" #include <Core/OrthancException.h> #include <math.h> #include <stdio.h> namespace OrthancStone { namespace Samples { class TestWorldSceneWidget::Interactor : public IWorldSceneInteractor { public: virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget, const ViewportGeometry& view, MouseButton button, KeyboardModifiers modifiers, int viewportX, int viewportY, double x, double y, IStatusBar* statusBar, const std::vector<Touch>& touches) { if (statusBar) { char buf[64]; sprintf(buf, "X = %0.2f, Y = %0.2f", x, y); statusBar->SetMessage(buf); } return NULL; } virtual void MouseOver(CairoContext& context, WorldSceneWidget& widget, const ViewportGeometry& view, double x, double y, IStatusBar* statusBar) { double S = 0.5; if (fabs(x) <= S && fabs(y) <= S) { cairo_t* cr = context.GetObject(); cairo_set_source_rgb(cr, 1, 0, 0); cairo_rectangle(cr, -S, -S , 2.0 * S, 2.0 * S); cairo_set_line_width(cr, 1.0 / view.GetZoom()); cairo_stroke(cr); } } virtual void MouseWheel(WorldSceneWidget& widget, MouseWheelDirection direction, KeyboardModifiers modifiers, IStatusBar* statusBar) { if (statusBar) { statusBar->SetMessage(direction == MouseWheelDirection_Down ? "Wheel down" : "Wheel up"); } } virtual void KeyPressed(WorldSceneWidget& widget, KeyboardKeys key, char keyChar, KeyboardModifiers modifiers, IStatusBar* statusBar) { if (statusBar) { statusBar->SetMessage("Key pressed: \"" + std::string(1, keyChar) + "\""); } } }; bool TestWorldSceneWidget::RenderScene(CairoContext& context, const ViewportGeometry& view) { cairo_t* cr = context.GetObject(); // Clear background cairo_set_source_rgb(cr, 0, 0, 0); cairo_paint(cr); float color = static_cast<float>(count_ % 16) / 15.0f; cairo_set_source_rgb(cr, 0, 1.0f - color, color); cairo_rectangle(cr, -10, -.5, 20, 1); cairo_fill(cr); return true; } TestWorldSceneWidget::TestWorldSceneWidget(const std::string& name, bool animate) : WorldSceneWidget(name), interactor_(new Interactor), animate_(animate), count_(0) { SetInteractor(*interactor_); } Extent2D TestWorldSceneWidget::GetSceneExtent() { return Extent2D(-10, -.5, 10, .5); } void TestWorldSceneWidget::DoAnimation() { if (animate_) { count_++; NotifyContentChanged(); } else { throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); } } } }