elexis
b9d413852b
Remove TODO comment about m_Children deletion frome21ebb37f5
, refse05f939fab
/ D2311. Differential Revision: https://code.wildfiregames.com/D2321 Tested on: clang 8.0.1, Jenkins This was SVN commit r22976.
315 lines
8.9 KiB
C++
315 lines
8.9 KiB
C++
/* Copyright (C) 2019 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "CChart.h"
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#include "graphics/ShaderManager.h"
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#include "gui/CGUIList.h"
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#include "gui/CGUISeries.h"
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#include "gui/CGUIString.h"
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#include "gui/GUIMatrix.h"
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#include "ps/CLogger.h"
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#include "ps/Profile.h"
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#include "renderer/Renderer.h"
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#include <cmath>
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CChart::CChart(CGUI& pGUI)
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: IGUIObject(pGUI), IGUITextOwner(pGUI)
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{
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AddSetting<CGUIColor>("axis_color");
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AddSetting<float>("axis_width");
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AddSetting<float>("buffer_zone");
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AddSetting<CStrW>("font");
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AddSetting<CStrW>("format_x");
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AddSetting<CStrW>("format_y");
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AddSetting<CGUIList>("series_color");
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AddSetting<CGUISeries>("series");
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AddSetting<EAlign>("text_align");
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m_AxisWidth = GetSetting<float>("axis_width");
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m_FormatX = GetSetting<CStrW>("format_x");
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m_FormatY = GetSetting<CStrW>("format_y");
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}
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CChart::~CChart()
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{
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}
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void CChart::HandleMessage(SGUIMessage& Message)
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{
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// TODO: implement zoom
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switch (Message.type)
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{
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case GUIM_SETTINGS_UPDATED:
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{
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m_AxisWidth = GetSetting<float>("axis_width");
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m_FormatX = GetSetting<CStrW>("format_x");
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m_FormatY = GetSetting<CStrW>("format_y");
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UpdateSeries();
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break;
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}
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}
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}
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void CChart::DrawLine(const CShaderProgramPtr& shader, const CGUIColor& color, const std::vector<float>& vertices) const
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{
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shader->Uniform(str_color, color);
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shader->VertexPointer(3, GL_FLOAT, 0, &vertices[0]);
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shader->AssertPointersBound();
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glEnable(GL_LINE_SMOOTH);
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glLineWidth(1.1f);
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if (!g_Renderer.m_SkipSubmit)
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glDrawArrays(GL_LINE_STRIP, 0, vertices.size() / 3);
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glLineWidth(1.0f);
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glDisable(GL_LINE_SMOOTH);
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}
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void CChart::DrawTriangleStrip(const CShaderProgramPtr& shader, const CGUIColor& color, const std::vector<float>& vertices) const
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{
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shader->Uniform(str_color, color);
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shader->VertexPointer(3, GL_FLOAT, 0, &vertices[0]);
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shader->AssertPointersBound();
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if (!g_Renderer.m_SkipSubmit)
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glDrawArrays(GL_TRIANGLE_STRIP, 0, vertices.size() / 3);
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}
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void CChart::DrawAxes(const CShaderProgramPtr& shader) const
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{
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const float bz = GetBufferedZ();
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CRect rect = GetChartRect();
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std::vector<float> vertices;
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vertices.reserve(30);
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#define ADD(x, y) vertices.push_back(x); vertices.push_back(y); vertices.push_back(bz + 0.5f);
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ADD(m_CachedActualSize.right, m_CachedActualSize.bottom);
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ADD(rect.right + m_AxisWidth, rect.bottom);
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ADD(m_CachedActualSize.left, m_CachedActualSize.bottom);
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ADD(rect.left, rect.bottom);
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ADD(m_CachedActualSize.left, m_CachedActualSize.top);
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ADD(rect.left, rect.top - m_AxisWidth);
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#undef ADD
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DrawTriangleStrip(shader, GetSetting<CGUIColor>("axis_color"), vertices);
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}
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void CChart::Draw()
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{
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PROFILE3("render chart");
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if (m_Series.empty())
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return;
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const float bz = GetBufferedZ();
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CRect rect = GetChartRect();
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const float width = rect.GetWidth();
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const float height = rect.GetHeight();
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// Disable depth updates to prevent apparent z-fighting-related issues
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// with some drivers causing units to get drawn behind the texture.
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glDepthMask(0);
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// Setup the render state
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CMatrix3D transform = GetDefaultGuiMatrix();
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CShaderDefines lineDefines;
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CShaderTechniquePtr tech = g_Renderer.GetShaderManager().LoadEffect(str_gui_solid, g_Renderer.GetSystemShaderDefines(), lineDefines);
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tech->BeginPass();
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CShaderProgramPtr shader = tech->GetShader();
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shader->Uniform(str_transform, transform);
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CVector2D scale(width / (m_RightTop.X - m_LeftBottom.X), height / (m_RightTop.Y - m_LeftBottom.Y));
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for (const CChartData& data : m_Series)
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{
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if (data.m_Points.empty())
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continue;
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std::vector<float> vertices;
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for (const CVector2D& point : data.m_Points)
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{
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if (fabs(point.X) != std::numeric_limits<float>::infinity() && fabs(point.Y) != std::numeric_limits<float>::infinity())
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{
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vertices.push_back(rect.left + (point.X - m_LeftBottom.X) * scale.X);
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vertices.push_back(rect.bottom - (point.Y - m_LeftBottom.Y) * scale.Y);
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vertices.push_back(bz + 0.5f);
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}
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else
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{
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DrawLine(shader, data.m_Color, vertices);
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vertices.clear();
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}
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}
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if (!vertices.empty())
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DrawLine(shader, data.m_Color, vertices);
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}
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if (m_AxisWidth > 0)
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DrawAxes(shader);
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tech->EndPass();
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// Reset depth mask
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glDepthMask(1);
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for (size_t i = 0; i < m_TextPositions.size(); ++i)
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DrawText(i, CGUIColor(1.f, 1.f, 1.f, 1.f), m_TextPositions[i], bz + 0.5f);
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}
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CRect CChart::GetChartRect() const
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{
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return CRect(
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m_CachedActualSize.TopLeft() + CPos(m_AxisWidth, m_AxisWidth),
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m_CachedActualSize.BottomRight() - CPos(m_AxisWidth, m_AxisWidth)
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);
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}
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void CChart::UpdateSeries()
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{
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const CGUISeries& pSeries = GetSetting<CGUISeries>("series");
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const CGUIList& pSeriesColor = GetSetting<CGUIList>("series_color");
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m_Series.clear();
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m_Series.resize(pSeries.m_Series.size());
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for (size_t i = 0; i < pSeries.m_Series.size(); ++i)
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{
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CChartData& data = m_Series[i];
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if (i < pSeriesColor.m_Items.size() && !data.m_Color.ParseString(m_pGUI, pSeriesColor.m_Items[i].GetOriginalString().ToUTF8(), 0))
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LOGWARNING("GUI: Error parsing 'series_color' (\"%s\")", utf8_from_wstring(pSeriesColor.m_Items[i].GetOriginalString()));
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data.m_Points = pSeries.m_Series[i];
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}
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UpdateBounds();
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SetupText();
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}
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void CChart::SetupText()
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{
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m_GeneratedTexts.clear();
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m_TextPositions.clear();
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if (m_Series.empty())
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return;
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const CStrW& font = GetSetting<CStrW>("font");
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const float buffer_zone = GetSetting<float>("buffer_zone");
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// Add Y-axis
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m_FormatY = GetSetting<CStrW>("format_y");
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const float height = GetChartRect().GetHeight();
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// TODO: split values depend on the format;
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if (m_EqualY)
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{
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// We don't need to generate many items for equal values
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AddFormattedValue(m_FormatY, m_RightTop.Y, font, buffer_zone);
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m_TextPositions.emplace_back(GetChartRect().TopLeft());
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}
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else
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for (int i = 0; i < 3; ++i)
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{
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AddFormattedValue(m_FormatY, m_RightTop.Y - (m_RightTop.Y - m_LeftBottom.Y) / 3.f * i, font, buffer_zone);
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m_TextPositions.emplace_back(GetChartRect().TopLeft() + CPos(0.f, height / 3.f * i));
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}
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// Add X-axis
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m_FormatX = GetSetting<CStrW>("format_x");
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const float width = GetChartRect().GetWidth();
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if (m_EqualX)
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{
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CSize text_size = AddFormattedValue(m_FormatX, m_RightTop.X, font, buffer_zone);
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m_TextPositions.emplace_back(GetChartRect().BottomRight() - text_size);
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}
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else
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for (int i = 0; i < 3; ++i)
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{
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CSize text_size = AddFormattedValue(m_FormatX, m_RightTop.X - (m_RightTop.X - m_LeftBottom.X) / 3 * i, font, buffer_zone);
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m_TextPositions.emplace_back(GetChartRect().BottomRight() - text_size - CPos(width / 3 * i, 0.f));
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}
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}
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CSize CChart::AddFormattedValue(const CStrW& format, const float value, const CStrW& font, const float buffer_zone)
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{
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// TODO: we need to catch cases with equal formatted values.
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CGUIString gui_str;
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if (format == L"DECIMAL2")
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{
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wchar_t buffer[64];
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swprintf(buffer, 64, L"%.2f", value);
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gui_str.SetValue(buffer);
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}
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else if (format == L"INTEGER")
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{
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wchar_t buffer[64];
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swprintf(buffer, 64, L"%d", std::lround(value));
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gui_str.SetValue(buffer);
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}
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else if (format == L"DURATION_SHORT")
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{
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const int seconds = value;
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wchar_t buffer[64];
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swprintf(buffer, 64, L"%d:%02d", seconds / 60, seconds % 60);
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gui_str.SetValue(buffer);
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}
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else if (format == L"PERCENTAGE")
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{
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wchar_t buffer[64];
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swprintf(buffer, 64, L"%d%%", std::lround(value));
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gui_str.SetValue(buffer);
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}
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else
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{
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LOGERROR("Unsupported chart format: " + format.EscapeToPrintableASCII());
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return CSize();
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}
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return AddText(gui_str, font, 0, buffer_zone, this).GetSize();
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}
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void CChart::UpdateBounds()
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{
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if (m_Series.empty() || m_Series[0].m_Points.empty())
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{
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m_LeftBottom = m_RightTop = CVector2D(0.f, 0.f);
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return;
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}
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m_LeftBottom = m_RightTop = m_Series[0].m_Points[0];
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for (const CChartData& data : m_Series)
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for (const CVector2D& point : data.m_Points)
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{
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if (fabs(point.X) != std::numeric_limits<float>::infinity() && point.X < m_LeftBottom.X)
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m_LeftBottom.X = point.X;
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if (fabs(point.Y) != std::numeric_limits<float>::infinity() && point.Y < m_LeftBottom.Y)
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m_LeftBottom.Y = point.Y;
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if (fabs(point.X) != std::numeric_limits<float>::infinity() && point.X > m_RightTop.X)
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m_RightTop.X = point.X;
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if (fabs(point.Y) != std::numeric_limits<float>::infinity() && point.Y > m_RightTop.Y)
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m_RightTop.Y = point.Y;
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}
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m_EqualY = m_RightTop.Y == m_LeftBottom.Y;
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if (m_EqualY)
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m_RightTop.Y += 1;
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m_EqualX = m_RightTop.X == m_LeftBottom.X;
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if (m_EqualX)
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m_RightTop.X += 1;
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}
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