178 lines
6.1 KiB
C++
178 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/AxisAnnotation2D.h>
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#include <sstream>
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namespace vtkm {
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namespace rendering {
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AxisAnnotation2D::AxisAnnotation2D()
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: AxisAnnotation()
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{
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this->AlignH = TextAnnotation::HCenter;
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this->AlignV = TextAnnotation::VCenter;
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this->FontScale = 0.05f;
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this->LineWidth = 1.0;
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this->Color = vtkm::rendering::Color(1,1,1);
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this->Logarithmic = false;
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this->MoreOrLessTickAdjustment = 0;
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}
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AxisAnnotation2D::~AxisAnnotation2D()
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{
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}
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void AxisAnnotation2D::SetRangeForAutoTicks(const Range &range)
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{
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this->TickRange = range;
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#if 0
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if (this->Logarithmic)
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{
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CalculateTicksLogarithmic(this->TickRange.Min,
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this->TickRange.Max,
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false,
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this->PositionsMajor,
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this->ProportionsMajor,
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this->MoreOrLessTickAdjustment);
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CalculateTicksLogarithmic(this->TickRange.Min,
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this->TickRange.Max,
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true,
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this->PositionsMinor,
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this->ProportionsMinor,
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this->MoreOrLessTickAdjustment);
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}
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else
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#endif
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{
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CalculateTicks(this->TickRange,
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false,
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this->PositionsMajor,
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this->ProportionsMajor,
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this->MoreOrLessTickAdjustment);
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CalculateTicks(this->TickRange,
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true,
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this->PositionsMinor,
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this->ProportionsMinor,
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this->MoreOrLessTickAdjustment);
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}
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}
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void AxisAnnotation2D::SetMajorTicks(const std::vector<vtkm::Float64> &pos,
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const std::vector<vtkm::Float64> &prop)
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{
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this->PositionsMajor.clear();
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this->PositionsMajor.insert(this->PositionsMajor.begin(),
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pos.begin(),
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pos.end());
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this->ProportionsMajor.clear();
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this->ProportionsMajor.insert(this->ProportionsMajor.begin(),
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prop.begin(),
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prop.end());
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}
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void AxisAnnotation2D::SetMinorTicks(const std::vector<vtkm::Float64> &pos,
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const std::vector<vtkm::Float64> &prop)
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{
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this->PositionsMinor.clear();
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this->PositionsMinor.insert(this->PositionsMinor.begin(), pos.begin(), pos.end());
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this->ProportionsMinor.clear();
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this->ProportionsMinor.insert(this->ProportionsMinor.begin(), prop.begin(), prop.end());
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}
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void AxisAnnotation2D::Render(
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const vtkm::rendering::Camera &camera,
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const vtkm::rendering::WorldAnnotator &worldAnnotator,
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vtkm::rendering::Canvas &canvas)
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{
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canvas.AddLine(this->PosX0,this->PosY0, this->PosX1,this->PosY1, this->LineWidth, this->Color);
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// major ticks
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unsigned int nmajor = (unsigned int)this->ProportionsMajor.size();
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while (this->Labels.size() < nmajor)
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{
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this->Labels.push_back(new ScreenTextAnnotation("test",
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this->Color,
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this->FontScale,
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0,0, 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::Float64 xc = this->PosX0 + (this->PosX1-this->PosX0) * this->ProportionsMajor[i];
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vtkm::Float64 yc = this->PosY0 + (this->PosY1-this->PosY0) * this->ProportionsMajor[i];
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vtkm::Float64 xs = xc - this->MajorTickSizeX*this->MajorTickOffset;
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vtkm::Float64 xe = xc + this->MajorTickSizeX*(1. - this->MajorTickOffset);
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vtkm::Float64 ys = yc - this->MajorTickSizeY*this->MajorTickOffset;
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vtkm::Float64 ye = yc + this->MajorTickSizeY*(1. - this->MajorTickOffset);
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canvas.AddLine(xs,ys, xe,ye, 1.0, this->Color);
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if (this->MajorTickSizeY == 0)
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{
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// slight shift to space between label and tick
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xs -= (this->MajorTickSizeX<0?-1.:+1.) * this->FontScale * .1;
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}
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numberToString.str("");
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numberToString << this->PositionsMajor[i];
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this->Labels[i]->SetText(numberToString.str());
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//if (fabs(this->PositionsMajor[i]) < 1e-10)
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// this->Labels[i]->SetText("0");
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((ScreenTextAnnotation*)(this->Labels[i]))->SetPosition(vtkm::Float32(xs),
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vtkm::Float32(ys));
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this->Labels[i]->SetAlignment(this->AlignH,this->AlignV);
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}
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// minor ticks
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if (this->MinorTickSizeX != 0 || this->MinorTickSizeY != 0)
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{
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unsigned int nminor = (unsigned int)this->ProportionsMinor.size();
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for (unsigned int i=0; i<nminor; ++i)
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{
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vtkm::Float64 xc = this->PosX0 + (this->PosX1-this->PosX0) * this->ProportionsMinor[i];
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vtkm::Float64 yc = this->PosY0 + (this->PosY1-this->PosY0) * this->ProportionsMinor[i];
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vtkm::Float64 xs = xc - this->MinorTickSizeX*this->MinorTickOffset;
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vtkm::Float64 xe = xc + this->MinorTickSizeX*(1. - this->MinorTickOffset);
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vtkm::Float64 ys = yc - this->MinorTickSizeY*this->MinorTickOffset;
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vtkm::Float64 ye = yc + this->MinorTickSizeY*(1. - this->MinorTickOffset);
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canvas.AddLine(xs,ys, xe,ye, 1.0, this->Color);
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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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