Mercurial > hg > orthanc-stone
diff Framework/Widgets/TestCairoWidget.cpp @ 0:351ab0da0150
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 14 Oct 2016 15:34:11 +0200 |
parents | |
children | ff1e935768e7 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Widgets/TestCairoWidget.cpp Fri Oct 14 15:34:11 2016 +0200 @@ -0,0 +1,138 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "TestCairoWidget.h" + +#include "../Orthanc/Core/Toolbox.h" + +#include <stdio.h> + + +namespace OrthancStone +{ + namespace Samples + { + void TestCairoWidget::UpdateStep() + { + value_ -= 0.01f; + if (value_ < 0) + { + value_ = 1; + } + + NotifyChange(); + + Orthanc::Toolbox::USleep(25000); + } + + + bool TestCairoWidget::RenderCairo(CairoContext& context) + { + cairo_t* cr = context.GetObject(); + + cairo_set_source_rgb (cr, .3, 0, 0); + cairo_paint(cr); + + cairo_set_source_rgb(cr, 0, 1, 0); + cairo_rectangle(cr, width_ / 4, height_ / 4, width_ / 2, height_ / 2); + cairo_set_line_width(cr, 1.0); + cairo_fill(cr); + + cairo_set_source_rgb(cr, 0, 1, value_); + cairo_rectangle(cr, width_ / 2 - 50, height_ / 2 - 50, 100, 100); + cairo_fill(cr); + + return true; + } + + + void TestCairoWidget::RenderMouseOverCairo(CairoContext& context, + int x, + int y) + { + cairo_t* cr = context.GetObject(); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_rectangle(cr, x - 5, y - 5, 10, 10); + cairo_set_line_width(cr, 1.0); + cairo_stroke(cr); + + char buf[64]; + sprintf(buf, "(%d,%d)", x, y); + UpdateStatusBar(buf); + } + + + TestCairoWidget::TestCairoWidget(bool animate) : + width_(0), + height_(0), + value_(1), + animate_(animate) + { + } + + + void TestCairoWidget::SetSize(unsigned int width, + unsigned int height) + { + CairoWidget::SetSize(width, height); + width_ = width; + height_ = height; + } + + + IMouseTracker* TestCairoWidget::CreateMouseTracker(MouseButton button, + int x, + int y, + KeyboardModifiers modifiers) + { + UpdateStatusBar("Click"); + return NULL; + } + + + void TestCairoWidget::MouseWheel(MouseWheelDirection direction, + int x, + int y, + KeyboardModifiers modifiers) + { + UpdateStatusBar(direction == MouseWheelDirection_Down ? "Wheel down" : "Wheel up"); + } + + + void TestCairoWidget::KeyPressed(char key, + KeyboardModifiers modifiers) + { + UpdateStatusBar("Key pressed: \"" + std::string(1, key) + "\""); + } + } +}