c446f1bc7a
Also made the TextAnnotation classes conform better to VTK-m coding style. Specifically, changed the order of words in subclass names (e.g. TextAnnotationBillboard instead of BillboardTextAnnotation) and broke out each subclass into its own header/source files.
192 lines
6.1 KiB
C++
192 lines
6.1 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2016 Sandia Corporation.
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// Copyright 2016 UT-Battelle, LLC.
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// Copyright 2016 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/rendering/AxisAnnotation3D.h>
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namespace vtkm {
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namespace rendering {
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AxisAnnotation3D::AxisAnnotation3D()
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: AxisAnnotation(),
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TickMajorSize(1.0),
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TickMajorOffset(1.0),
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TickMinorSize(0.1),
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TickMinorOffset(1.0),
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Axis(0),
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Invert(1, 1, 1),
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Point0(0, 0, 0),
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Point1(1, 0, 0),
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Range(0, 1),
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FontScale(0.05f), // screen space font size
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FontOffset(0.1f), // world space offset from axis
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LineWidth(1.0),
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Color(1,1,1),
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MoreOrLessTickAdjustment(0)
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{ }
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AxisAnnotation3D::~AxisAnnotation3D()
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{ }
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void AxisAnnotation3D::SetTickInvert(bool x, bool y, bool z)
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{
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this->Invert[0] = x ? +1.0f : -1.0f;
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this->Invert[1] = y ? +1.0f : -1.0f;
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this->Invert[2] = z ? +1.0f : -1.0f;
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}
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void AxisAnnotation3D::SetLabelFontScale(Float64 s)
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{
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this->FontScale = s;
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for (unsigned int i=0; i<this->Labels.size(); i++)
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{
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this->Labels[i]->SetScale(vtkm::Float32(s));
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}
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}
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void AxisAnnotation3D::Render(const Camera &camera,
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const WorldAnnotator &worldAnnotator,
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Canvas &canvas)
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{
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bool infront = true;
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worldAnnotator.AddLine(this->Point0,this->Point1,this->LineWidth,this->Color,infront);
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std::vector<vtkm::Float64> positions;
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std::vector<vtkm::Float64> proportions;
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// major ticks
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CalculateTicks(this->Range, false, positions, proportions, this->MoreOrLessTickAdjustment);
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unsigned int nmajor = (unsigned int)proportions.size();
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while (this->Labels.size() < nmajor)
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{
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this->Labels.push_back(new TextAnnotationBillboard(
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"test",
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this->Color,
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vtkm::Float32(this->FontScale),
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vtkm::Vec<vtkm::Float32,3>(0,0,0),
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0));
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}
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std::stringstream numberToString;
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for (unsigned int i=0; i<nmajor; ++i)
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{
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vtkm::Vec<vtkm::Float64,3> tickPos =
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proportions[i]*(this->Point1-this->Point0) + this->Point0;
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for (int pass=0; pass<=1; pass++)
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{
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vtkm::Vec<vtkm::Float64,3> tickSize(0);
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if (pass == 0)
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{
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switch (this->Axis)
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{
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case 0: tickSize[1] = this->TickMajorSize; break;
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case 1: tickSize[0] = this->TickMajorSize; break;
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case 2: tickSize[0] = this->TickMajorSize; break;
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}
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}
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else // pass == 1
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{
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switch (this->Axis)
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{
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case 0: tickSize[2] = this->TickMajorSize; break;
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case 1: tickSize[2] = this->TickMajorSize; break;
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case 2: tickSize[1] = this->TickMajorSize; break;
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}
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}
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tickSize = tickSize * this->Invert;
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vtkm::Vec<vtkm::Float64,3> start =
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tickPos - tickSize*this->TickMajorOffset;
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vtkm::Vec<vtkm::Float64,3> end =
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tickPos - tickSize*(1.0 - this->TickMajorOffset);
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worldAnnotator.AddLine(start,
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end,
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this->LineWidth,
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this->Color,
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infront);
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}
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vtkm::Vec<vtkm::Float32,3> tickSize(0);
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vtkm::Float32 s = 0.4f * this->FontOffset;
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switch (this->Axis)
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{
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case 0: tickSize[1]=s; tickSize[2]=s; break;
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case 1: tickSize[0]=s; tickSize[2]=s; break;
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case 2: tickSize[0]=s; tickSize[1]=s; break;
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}
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tickSize = tickSize * this->Invert;
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numberToString.str("");
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numberToString << positions[i];
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this->Labels[i]->SetText(numberToString.str());
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//if (fabs(positions[i]) < 1e-10)
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// this->Labels[i]->SetText("0");
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this->Labels[i]->SetPosition(vtkm::Float32(tickPos[0] - tickSize[0]),
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vtkm::Float32(tickPos[1] - tickSize[1]),
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vtkm::Float32(tickPos[2] - tickSize[2]));
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this->Labels[i]->SetAlignment(TextAnnotation::HCenter,
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TextAnnotation::VCenter);
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}
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// minor ticks
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CalculateTicks(this->Range, true, positions, proportions, this->MoreOrLessTickAdjustment);
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unsigned int nminor = (unsigned int)proportions.size();
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for (unsigned int i=0; i<nminor; ++i)
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{
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vtkm::Vec<vtkm::Float64,3> tickPos =
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proportions[i]*(this->Point1-this->Point0) + this->Point0;
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for (int pass=0; pass<=1; pass++)
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{
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vtkm::Vec<vtkm::Float64,3> tickSize(0);
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if (pass == 0)
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{
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switch (this->Axis)
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{
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case 0: tickSize[1] = this->TickMajorSize; break;
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case 1: tickSize[0] = this->TickMajorSize; break;
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case 2: tickSize[0] = this->TickMajorSize; break;
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}
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}
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else // pass == 1
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{
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switch (this->Axis)
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{
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case 0: tickSize[2] = this->TickMajorSize; break;
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case 1: tickSize[2] = this->TickMajorSize; break;
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case 2: tickSize[1] = this->TickMajorSize; break;
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}
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}
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tickSize = tickSize * this->Invert;
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vtkm::Vec<vtkm::Float64,3> start =
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tickPos - tickSize*this->TickMinorOffset;
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vtkm::Vec<vtkm::Float64,3> end =
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tickPos - tickSize*(1.0 - this->TickMinorOffset);
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worldAnnotator.AddLine(start, end, this->LineWidth, this->Color, infront);
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}
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}
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for (unsigned int i=0; i<nmajor; ++i)
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{
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this->Labels[i]->Render(camera, worldAnnotator, canvas);
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}
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}
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}
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} // namespace vtkm::rendering
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