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684 lines
18 KiB
C++
684 lines
18 KiB
C++
/*
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Copyright (C) 2001 Kimmo Pekkola
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "StdAfx.h"
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#include "MeterHistogram.h"
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#include "Measure.h"
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#include "Error.h"
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#include "Rainmeter.h"
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using namespace Gdiplus;
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extern CRainmeter* Rainmeter;
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CTintedImageHelper_DefineOptionArray(CMeterHistogram::c_PrimaryOptionArray, L"Primary");
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CTintedImageHelper_DefineOptionArray(CMeterHistogram::c_SecondaryOptionArray, L"Secondary");
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CTintedImageHelper_DefineOptionArray(CMeterHistogram::c_BothOptionArray, L"Both");
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/*
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** The constructor
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**
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*/
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CMeterHistogram::CMeterHistogram(CMeterWindow* meterWindow, const WCHAR* name) : CMeter(meterWindow, name),
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m_SecondaryMeasure(),
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m_PrimaryColor(Color::Green),
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m_SecondaryColor(Color::Red),
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m_OverlapColor(Color::Yellow),
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m_MeterPos(),
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m_Autoscale(false),
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m_Flip(false),
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m_PrimaryImage(L"PrimaryImage", c_PrimaryOptionArray),
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m_SecondaryImage(L"SecondaryImage", c_SecondaryOptionArray),
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m_OverlapImage(L"BothImage", c_BothOptionArray),
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m_PrimaryNeedsReload(false),
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m_SecondaryNeedsReload(false),
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m_OverlapNeedsReload(false),
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m_PrimaryValues(),
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m_SecondaryValues(),
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m_MaxPrimaryValue(1.0),
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m_MinPrimaryValue(),
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m_MaxSecondaryValue(1.0),
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m_MinSecondaryValue(),
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m_SizeChanged(true),
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m_GraphStartLeft(false),
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m_GraphHorizontalOrientation(false)
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{
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}
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/*
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** The destructor
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**
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*/
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CMeterHistogram::~CMeterHistogram()
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{
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DisposeBuffer();
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}
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/*
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** Disposes the buffers.
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**
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*/
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void CMeterHistogram::DisposeBuffer()
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{
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// Reset current position
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m_MeterPos = 0;
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// Delete buffers
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delete [] m_PrimaryValues;
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m_PrimaryValues = NULL;
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delete [] m_SecondaryValues;
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m_SecondaryValues = NULL;
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}
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/*
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** Load the images and calculate the dimensions of the meter from them.
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** Or create the brushes if solid color histogram is used.
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**
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*/
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void CMeterHistogram::Initialize()
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{
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CMeter::Initialize();
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// A sanity check
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if (m_SecondaryMeasure && !m_PrimaryImageName.empty() && (m_OverlapImageName.empty() || m_SecondaryImageName.empty()))
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{
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Log(LOG_WARNING, L"Histogram: SecondaryImage and BothImage not defined");
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m_PrimaryImage.DisposeImage();
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m_SecondaryImage.DisposeImage();
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m_OverlapImage.DisposeImage();
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}
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else
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{
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// Load the bitmaps if defined
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if (!m_PrimaryImageName.empty())
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{
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m_PrimaryImage.LoadImage(m_PrimaryImageName, m_PrimaryNeedsReload);
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if (m_PrimaryImage.IsLoaded())
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{
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int oldW = m_W;
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int oldH = m_H;
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Bitmap* bitmap = m_PrimaryImage.GetImage();
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m_W = bitmap->GetWidth();
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m_H = bitmap->GetHeight();
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if (oldW != m_W || oldH != m_H)
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{
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m_SizeChanged = true;
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}
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}
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}
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else if (m_PrimaryImage.IsLoaded())
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{
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m_PrimaryImage.DisposeImage();
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}
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if (!m_SecondaryImageName.empty())
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{
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m_SecondaryImage.LoadImage(m_SecondaryImageName, m_SecondaryNeedsReload);
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}
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else if (m_SecondaryImage.IsLoaded())
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{
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m_SecondaryImage.DisposeImage();
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}
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if (!m_OverlapImageName.empty())
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{
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m_OverlapImage.LoadImage(m_OverlapImageName, m_OverlapNeedsReload);
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}
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else if (m_OverlapImage.IsLoaded())
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{
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m_OverlapImage.DisposeImage();
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}
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}
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if ((!m_PrimaryImageName.empty() && !m_PrimaryImage.IsLoaded()) ||
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(!m_SecondaryImageName.empty() && !m_SecondaryImage.IsLoaded()) ||
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(!m_OverlapImageName.empty() && !m_OverlapImage.IsLoaded()))
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{
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DisposeBuffer();
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m_SizeChanged = false;
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}
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else if (m_SizeChanged)
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{
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DisposeBuffer();
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// Create buffers for values
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if (m_W > 0 || m_H > 0)
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{
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int maxSize = m_GraphHorizontalOrientation ? m_H : m_W;
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m_PrimaryValues = new double[maxSize]();
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if (m_SecondaryMeasure)
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{
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m_SecondaryValues = new double[maxSize]();
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}
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}
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m_SizeChanged = false;
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}
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}
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/*
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** Read the meter-specific configs from the ini-file.
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**
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*/
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void CMeterHistogram::ReadOptions(CConfigParser& parser, const WCHAR* section)
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{
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// Store the current values so we know if the image needs to be updated
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std::wstring oldPrimaryImageName = m_PrimaryImageName;
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std::wstring oldSecondaryImageName = m_SecondaryImageName;
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std::wstring oldBothImageName = m_OverlapImageName;
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int oldW = m_W;
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int oldH = m_H;
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// Read common configs
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CMeter::ReadOptions(parser, section);
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m_PrimaryColor = parser.ReadColor(section, L"PrimaryColor", Color::Green);
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m_SecondaryColor = parser.ReadColor(section, L"SecondaryColor", Color::Red);
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m_OverlapColor = parser.ReadColor(section, L"BothColor", Color::Yellow);
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if (!m_Initialized && !m_MeasureName.empty())
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{
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m_SecondaryMeasureName = parser.ReadString(section, L"MeasureName2", L"");
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if (m_SecondaryMeasureName.empty())
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{
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m_SecondaryMeasureName = parser.ReadString(section, L"SecondaryMeasureName", L"");
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}
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}
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m_PrimaryImageName = parser.ReadString(section, L"PrimaryImage", L"");
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if (!m_PrimaryImageName.empty())
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{
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m_MeterWindow->MakePathAbsolute(m_PrimaryImageName);
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// Read tinting configs
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m_PrimaryImage.ReadOptions(parser, section);
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}
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else
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{
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m_PrimaryImage.ClearOptionFlags();
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}
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m_SecondaryImageName = parser.ReadString(section, L"SecondaryImage", L"");
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if (!m_SecondaryImageName.empty())
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{
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m_MeterWindow->MakePathAbsolute(m_SecondaryImageName);
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// Read tinting configs
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m_SecondaryImage.ReadOptions(parser, section);
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}
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else
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{
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m_SecondaryImage.ClearOptionFlags();
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}
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m_OverlapImageName = parser.ReadString(section, L"BothImage", L"");
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if (!m_OverlapImageName.empty())
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{
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m_MeterWindow->MakePathAbsolute(m_OverlapImageName);
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// Read tinting configs
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m_OverlapImage.ReadOptions(parser, section);
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}
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else
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{
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m_OverlapImage.ClearOptionFlags();
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}
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m_Autoscale = 0!=parser.ReadInt(section, L"AutoScale", 0);
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m_Flip = 0!=parser.ReadInt(section, L"Flip", 0);
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if (m_Initialized)
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{
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if (m_PrimaryImageName.empty())
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{
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if (oldW != m_W || oldH != m_H)
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{
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m_SizeChanged = true;
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Initialize(); // Reload the image
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}
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}
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else
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{
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// Reset to old dimensions
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m_W = oldW;
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m_H = oldH;
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m_PrimaryNeedsReload = (wcscmp(oldPrimaryImageName.c_str(), m_PrimaryImageName.c_str()) != 0);
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m_SecondaryNeedsReload = (wcscmp(oldSecondaryImageName.c_str(), m_SecondaryImageName.c_str()) != 0);
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m_OverlapNeedsReload = (wcscmp(oldBothImageName.c_str(), m_OverlapImageName.c_str()) != 0);
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if (m_PrimaryNeedsReload ||
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m_SecondaryNeedsReload ||
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m_OverlapNeedsReload ||
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m_PrimaryImage.IsOptionsChanged() ||
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m_SecondaryImage.IsOptionsChanged() ||
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m_OverlapImage.IsOptionsChanged())
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{
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Initialize(); // Reload the image
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}
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}
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}
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const WCHAR* graph = parser.ReadString(section, L"GraphStart", L"RIGHT").c_str();
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if (_wcsicmp(graph, L"RIGHT") == 0)
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{
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m_GraphStartLeft = false;
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}
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else if (_wcsicmp(graph, L"LEFT") == 0)
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{
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m_GraphStartLeft = true;
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}
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else
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{
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LogWithArgs(LOG_ERROR, L"GraphStart=%s is not valid in [%s]", graph, m_Name.c_str());
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}
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graph = parser.ReadString(section, L"GraphOrientation", L"VERTICAL").c_str();
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if (_wcsicmp(graph, L"VERTICAL") == 0)
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{
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// Restart graph
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if (m_GraphHorizontalOrientation)
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{
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m_GraphHorizontalOrientation = false;
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DisposeBuffer();
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// Create buffers for values
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if (m_W > 0)
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{
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m_PrimaryValues = new double[m_W]();
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if (m_SecondaryMeasure)
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{
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m_SecondaryValues = new double[m_W]();
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}
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}
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}
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else
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{
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m_GraphHorizontalOrientation = false;
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}
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}
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else if (_wcsicmp(graph, L"HORIZONTAL") == 0)
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{
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// Restart graph
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if (!m_GraphHorizontalOrientation)
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{
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m_GraphHorizontalOrientation = true;
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DisposeBuffer();
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// Create buffers for values
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if (m_H > 0)
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{
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m_PrimaryValues = new double[m_H]();
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if (m_SecondaryMeasure)
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{
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m_SecondaryValues = new double[m_H]();
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}
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}
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}
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else
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{
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m_GraphHorizontalOrientation = true;
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}
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}
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else
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{
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LogWithArgs(LOG_ERROR, L"GraphOrientation=%s is not valid in [%s]", graph, m_Name.c_str());
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}
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}
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/*
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** Updates the value(s) from the measures.
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**
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*/
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bool CMeterHistogram::Update()
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{
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if (CMeter::Update() && m_Measure && m_PrimaryValues)
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{
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// Gather values
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m_PrimaryValues[m_MeterPos] = m_Measure->GetValue();
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if (m_SecondaryMeasure && m_SecondaryValues)
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{
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m_SecondaryValues[m_MeterPos] = m_SecondaryMeasure->GetValue();
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}
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++m_MeterPos;
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int maxSize = m_GraphHorizontalOrientation ? m_H : m_W;
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m_MeterPos %= maxSize;
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m_MaxPrimaryValue = m_Measure->GetMaxValue();
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m_MinPrimaryValue = m_Measure->GetMinValue();
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m_MaxSecondaryValue = 0.0;
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m_MinSecondaryValue = 0.0;
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if (m_SecondaryMeasure)
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{
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m_MaxSecondaryValue = m_SecondaryMeasure->GetMaxValue();
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m_MinSecondaryValue = m_SecondaryMeasure->GetMinValue();
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}
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if (m_Autoscale)
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{
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// Go through all values and find the max
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double newValue = 0.0;
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for (int i = 0; i < maxSize; ++i)
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{
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newValue = max(newValue, m_PrimaryValues[i]);
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}
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// Scale the value up to nearest power of 2
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if (newValue > DBL_MAX / 2.0)
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{
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m_MaxPrimaryValue = DBL_MAX;
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}
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else
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{
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m_MaxPrimaryValue = 2.0;
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while (m_MaxPrimaryValue < newValue)
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{
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m_MaxPrimaryValue *= 2.0;
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}
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}
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if (m_SecondaryMeasure && m_SecondaryValues)
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{
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for (int i = 0; i < maxSize; ++i)
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{
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newValue = max(newValue, m_SecondaryValues[i]);
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}
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// Scale the value up to nearest power of 2
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if (newValue > DBL_MAX / 2.0)
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{
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m_MaxSecondaryValue = DBL_MAX;
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}
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else
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{
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m_MaxSecondaryValue = 2.0;
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while (m_MaxSecondaryValue < newValue)
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{
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m_MaxSecondaryValue *= 2.0;
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}
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}
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}
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}
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return true;
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}
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return false;
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}
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/*
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** Draws the meter on the double buffer
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**
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*/
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bool CMeterHistogram::Draw(Graphics& graphics)
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{
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if (!CMeter::Draw(graphics) ||
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(m_Measure && !m_PrimaryValues) ||
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(m_SecondaryMeasure && !m_SecondaryValues)) return false;
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GraphicsPath primaryPath;
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GraphicsPath secondaryPath;
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GraphicsPath bothPath;
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Bitmap* primaryBitmap = m_PrimaryImage.GetImage();
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Bitmap* secondaryBitmap = m_SecondaryImage.GetImage();
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Bitmap* bothBitmap = m_OverlapImage.GetImage();
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int x = GetX();
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int y = GetY();
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// Default values (GraphStart=Right, GraphOrientation=Vertical)
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int i;
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int startValue = 0;
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int* endValueLHS = &i;
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int* endValueRHS = &m_W;
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int step = 1;
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int endValue = -1; //(should be 0, but need to simulate <=)
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// GraphStart=Left, GraphOrientation=Vertical
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if (m_GraphStartLeft && !m_GraphHorizontalOrientation)
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{
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startValue = m_W - 1;
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endValueLHS = &endValue;
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endValueRHS = &i;
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step = -1;
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}
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else if (m_GraphHorizontalOrientation && !m_Flip)
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{
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endValueRHS = &m_H;
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}
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else if (m_GraphHorizontalOrientation && m_Flip)
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{
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startValue = m_H - 1;
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endValueLHS = &endValue;
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endValueRHS = &i;
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step = -1;
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}
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// Horizontal or Vertical graph
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if (m_GraphHorizontalOrientation)
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{
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for (i = startValue; *endValueLHS < *endValueRHS; i += step)
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{
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double value = (m_MaxPrimaryValue == 0.0) ?
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0.0
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: m_PrimaryValues[(i + (m_MeterPos % m_H)) % m_H] / m_MaxPrimaryValue;
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value -= m_MinPrimaryValue;
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int primaryBarHeight = (int)(m_W * value);
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primaryBarHeight = min(m_W, primaryBarHeight);
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primaryBarHeight = max(0, primaryBarHeight);
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if (m_SecondaryMeasure)
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{
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value = (m_MaxSecondaryValue == 0.0) ?
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0.0
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: m_SecondaryValues[(i + m_MeterPos) % m_H] / m_MaxSecondaryValue;
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value -= m_MinSecondaryValue;
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int secondaryBarHeight = (int)(m_W * value);
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secondaryBarHeight = min(m_W, secondaryBarHeight);
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secondaryBarHeight = max(0, secondaryBarHeight);
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// Check which measured value is higher
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int bothBarHeight = min(primaryBarHeight, secondaryBarHeight);
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// Cache image/color rectangle for the both lines
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{
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Rect& r = m_GraphStartLeft ?
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Rect(x, y + startValue + (step * i), bothBarHeight, 1)
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: Rect(x + m_W - bothBarHeight, y + startValue + (step * i), bothBarHeight, 1);
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bothPath.AddRectangle(r); // cache
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}
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// Cache the image/color rectangle for the rest
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if (secondaryBarHeight > primaryBarHeight)
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{
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Rect& r = m_GraphStartLeft ?
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Rect(x + bothBarHeight, y + startValue + (step * i), secondaryBarHeight - bothBarHeight, 1)
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: Rect(x + m_W - secondaryBarHeight, y + startValue + (step * i), secondaryBarHeight - bothBarHeight, 1);
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secondaryPath.AddRectangle(r); // cache
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}
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else
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{
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Rect& r = m_GraphStartLeft ?
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Rect(x + bothBarHeight, y + startValue + (step * i), primaryBarHeight - bothBarHeight, 1)
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: Rect(x + m_W - primaryBarHeight, y + startValue + (step * i), primaryBarHeight - bothBarHeight, 1);
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primaryPath.AddRectangle(r); // cache
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}
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}
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else
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{
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Rect& r = m_GraphStartLeft ?
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Rect(x, y + startValue + (step * i), primaryBarHeight, 1)
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: Rect(x + m_W - primaryBarHeight, y + startValue + (step * i), primaryBarHeight, 1);
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primaryPath.AddRectangle(r); // cache
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}
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}
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}
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else // GraphOrientation=Vertical
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{
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for (i = startValue; *endValueLHS < *endValueRHS; i += step)
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{
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double value = (m_MaxPrimaryValue == 0.0) ?
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0.0
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: m_PrimaryValues[(i + m_MeterPos) % m_W] / m_MaxPrimaryValue;
|
|
value -= m_MinPrimaryValue;
|
|
int primaryBarHeight = (int)(m_H * value);
|
|
primaryBarHeight = min(m_H, primaryBarHeight);
|
|
primaryBarHeight = max(0, primaryBarHeight);
|
|
|
|
if (m_SecondaryMeasure)
|
|
{
|
|
value = (m_MaxSecondaryValue == 0.0) ?
|
|
0.0
|
|
: m_SecondaryValues[(i + m_MeterPos) % m_W] / m_MaxSecondaryValue;
|
|
value -= m_MinSecondaryValue;
|
|
int secondaryBarHeight = (int)(m_H * value);
|
|
secondaryBarHeight = min(m_H, secondaryBarHeight);
|
|
secondaryBarHeight = max(0, secondaryBarHeight);
|
|
|
|
// Check which measured value is higher
|
|
int bothBarHeight = min(primaryBarHeight, secondaryBarHeight);
|
|
|
|
// Cache image/color rectangle for the both lines
|
|
{
|
|
Rect& r = m_Flip ?
|
|
Rect(x + startValue + (step * i), y, 1, bothBarHeight)
|
|
: Rect(x + startValue + (step * i), y + m_H - bothBarHeight, 1, bothBarHeight);
|
|
|
|
bothPath.AddRectangle(r); // cache
|
|
}
|
|
|
|
// Cache the image/color rectangle for the rest
|
|
if (secondaryBarHeight > primaryBarHeight)
|
|
{
|
|
Rect& r = m_Flip ?
|
|
Rect(x + startValue + (step * i), y + bothBarHeight, 1, secondaryBarHeight - bothBarHeight)
|
|
: Rect(x + startValue + (step * i), y + m_H - secondaryBarHeight, 1, secondaryBarHeight - bothBarHeight);
|
|
|
|
secondaryPath.AddRectangle(r); // cache
|
|
}
|
|
else
|
|
{
|
|
Rect& r = m_Flip ?
|
|
Rect(x + startValue + (step * i), y + bothBarHeight, 1, primaryBarHeight - bothBarHeight)
|
|
: Rect(x + startValue + (step * i), y + m_H - primaryBarHeight, 1, primaryBarHeight - bothBarHeight);
|
|
|
|
primaryPath.AddRectangle(r); // cache
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Rect& r = m_Flip ?
|
|
Rect(x + startValue + (step * i), y, 1, primaryBarHeight)
|
|
: Rect(x + startValue + (step * i), y + m_H - primaryBarHeight, 1, primaryBarHeight);
|
|
|
|
primaryPath.AddRectangle(r); // cache
|
|
}
|
|
}
|
|
}
|
|
|
|
// Draw cached rectangles
|
|
if (primaryBitmap)
|
|
{
|
|
Rect r(x, y, primaryBitmap->GetWidth(), primaryBitmap->GetHeight());
|
|
|
|
graphics.SetClip(&primaryPath);
|
|
graphics.DrawImage(primaryBitmap, r, 0, 0, r.Width, r.Height, UnitPixel);
|
|
graphics.ResetClip();
|
|
}
|
|
else
|
|
{
|
|
SolidBrush brush(m_PrimaryColor);
|
|
graphics.FillPath(&brush, &primaryPath);
|
|
}
|
|
if (m_SecondaryMeasure)
|
|
{
|
|
if (secondaryBitmap)
|
|
{
|
|
Rect r(x, y, secondaryBitmap->GetWidth(), secondaryBitmap->GetHeight());
|
|
|
|
graphics.SetClip(&secondaryPath);
|
|
graphics.DrawImage(secondaryBitmap, r, 0, 0, r.Width, r.Height, UnitPixel);
|
|
graphics.ResetClip();
|
|
}
|
|
else
|
|
{
|
|
SolidBrush brush(m_SecondaryColor);
|
|
graphics.FillPath(&brush, &secondaryPath);
|
|
}
|
|
if (bothBitmap)
|
|
{
|
|
Rect r(x, y, bothBitmap->GetWidth(), bothBitmap->GetHeight());
|
|
|
|
graphics.SetClip(&bothPath);
|
|
graphics.DrawImage(bothBitmap, r, 0, 0, r.Width, r.Height, UnitPixel);
|
|
graphics.ResetClip();
|
|
}
|
|
else
|
|
{
|
|
SolidBrush brush(m_OverlapColor);
|
|
graphics.FillPath(&brush, &bothPath);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
** Overwritten method to handle the secondary measure binding.
|
|
**
|
|
*/
|
|
void CMeterHistogram::BindMeasure(const std::list<CMeasure*>& measures)
|
|
{
|
|
CMeter::BindMeasure(measures);
|
|
|
|
if (!m_SecondaryMeasureName.empty())
|
|
{
|
|
// Go through the list and check it there is a secondary measure for us
|
|
const WCHAR* name = m_SecondaryMeasureName.c_str();
|
|
std::list<CMeasure*>::const_iterator i = measures.begin();
|
|
for ( ; i != measures.end(); ++i)
|
|
{
|
|
if (_wcsicmp((*i)->GetName(), name) == 0)
|
|
{
|
|
m_SecondaryMeasure = (*i);
|
|
CMeter::SetAllMeasures(m_SecondaryMeasure);
|
|
return;
|
|
}
|
|
}
|
|
|
|
std::wstring error = L"The meter [" + m_Name;
|
|
error += L"] cannot be bound with [";
|
|
error += m_SecondaryMeasureName;
|
|
error += L']';
|
|
throw CError(error);
|
|
}
|
|
}
|