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434 lines
11 KiB
C++
434 lines
11 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#pragma warning(disable: 4786)
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#pragma warning(disable: 4996)
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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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/*
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** CMeterHistogram
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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) : CMeter(meterWindow)
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{
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m_SecondaryMeasure = NULL;
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m_PrimaryColor = 0;
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m_SecondaryColor = 0;
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m_BothColor = 0;
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m_MeterPos = 0;
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m_PrimaryBitmap = NULL;
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m_SecondaryBitmap = NULL;
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m_BothBitmap = NULL;
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m_PrimaryValues = NULL;
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m_SecondaryValues = NULL;
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m_Autoscale = false;
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m_Flip = false;
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m_MaxPrimaryValue = 1.0;
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m_MinPrimaryValue = 0.0;
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m_MaxSecondaryValue = 1.0;
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m_MinSecondaryValue = 0.0;
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}
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/*
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** ~CMeterHistogram
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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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if (m_PrimaryBitmap) delete m_PrimaryBitmap;
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if (m_SecondaryBitmap) delete m_SecondaryBitmap;
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if (m_BothBitmap) delete m_BothBitmap;
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if (m_PrimaryValues) delete [] m_PrimaryValues;
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if (m_SecondaryValues) delete [] m_SecondaryValues;
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}
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/*
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** Initialize
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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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// Load the bitmaps if defined
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if(!m_PrimaryImageName.empty())
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{
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m_PrimaryBitmap = new Bitmap(m_PrimaryImageName.c_str());
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Status status = m_PrimaryBitmap->GetLastStatus();
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if(Ok != status)
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{
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throw CError(std::wstring(L"PrimaryImage not found: ") + m_PrimaryImageName, __LINE__, __FILE__);
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}
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m_W = m_PrimaryBitmap->GetWidth();
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m_H = m_PrimaryBitmap->GetHeight();
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}
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if(!m_SecondaryImageName.empty())
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{
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m_SecondaryBitmap = new Bitmap(m_SecondaryImageName.c_str());
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Status status = m_SecondaryBitmap->GetLastStatus();
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if(Ok != status)
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{
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throw CError(std::wstring(L"SecondaryImage not found: ") + m_SecondaryImageName, __LINE__, __FILE__);
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}
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}
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if(!m_BothImageName.empty())
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{
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m_BothBitmap = new Bitmap(m_BothImageName.c_str());
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Status status = m_BothBitmap->GetLastStatus();
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if(Ok != status)
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{
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throw CError(std::wstring(L"BothImage not found: ") + m_BothImageName, __LINE__, __FILE__);
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}
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}
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// A sanity check
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if (m_SecondaryMeasure && !m_PrimaryImageName.empty() && (m_BothImageName.empty() || m_SecondaryImageName.empty()))
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{
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throw CError(std::wstring(L"You need to define SecondaryImage and BothImage also!"), __LINE__, __FILE__);
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}
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// Create buffers for values
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m_PrimaryValues = new double[m_W];
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memset(m_PrimaryValues, 0, sizeof(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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memset(m_SecondaryValues, 0, sizeof(double) * m_W);
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}
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}
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/*
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** ReadConfig
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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::ReadConfig(const WCHAR* section)
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{
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// Read common configs
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CMeter::ReadConfig(section);
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CConfigParser& parser = m_MeterWindow->GetParser();
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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_BothColor = parser.ReadColor(section, L"BothColor", Color::Yellow);
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m_SecondaryMeasureName = parser.ReadString(section, L"SecondaryMeasureName", L"");
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m_PrimaryImageName = parser.ReadString(section, L"PrimaryImage", L"");
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m_PrimaryImageName = m_MeterWindow->MakePathAbsolute(m_PrimaryImageName);
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m_SecondaryImageName = parser.ReadString(section, L"SecondaryImage", L"");
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m_SecondaryImageName = m_MeterWindow->MakePathAbsolute(m_SecondaryImageName);
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m_BothImageName = parser.ReadString(section, L"BothImage", L"");
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m_BothImageName = m_MeterWindow->MakePathAbsolute(m_BothImageName);
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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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}
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/*
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** Update
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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)
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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 != NULL)
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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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m_MeterPos %= m_W;
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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;
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m_MinSecondaryValue = 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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int i;
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double newValue = 0;
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for (i = 0; i != m_W; 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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m_MaxPrimaryValue = 2;
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while(m_MaxPrimaryValue < newValue && m_MaxPrimaryValue != 0)
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{
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m_MaxPrimaryValue *= 2;
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}
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if (m_SecondaryMeasure)
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{
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for (i = 0; i != m_W; 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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m_MaxSecondaryValue = 2;
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while(m_MaxSecondaryValue < newValue && m_MaxSecondaryValue != 0)
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{
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m_MaxSecondaryValue *= 2;
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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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** Draw
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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)) return false;
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Pen primaryPen(m_PrimaryColor);
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Pen secondaryPen(m_SecondaryColor);
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Pen bothPen(m_BothColor);
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int x = GetX();
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int y = GetY();
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for (int i = 0; i < m_W; i++)
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{
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double value;
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if (m_MaxPrimaryValue == 0.0)
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{
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value = 0;
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}
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else
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{
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value = m_PrimaryValues[(i + m_MeterPos) % m_W] / m_MaxPrimaryValue;
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}
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value -= m_MinPrimaryValue;
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int primaryBarHeight = (int)(m_H * value);
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primaryBarHeight = min(m_H, primaryBarHeight);
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primaryBarHeight = max(0, primaryBarHeight);
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if (m_SecondaryMeasure != NULL)
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{
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if (m_MaxSecondaryValue == 0.0)
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{
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value = 0;
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}
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else
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{
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value = m_SecondaryValues[(i + m_MeterPos) % m_W] / m_MaxSecondaryValue;
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}
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value -= m_MinSecondaryValue;
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int secondaryBarHeight = (int)(m_H * value);
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secondaryBarHeight = min(m_H, 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;
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if (secondaryBarHeight > primaryBarHeight)
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{
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bothBarHeight = primaryBarHeight;
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}
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else
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{
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bothBarHeight = secondaryBarHeight;
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}
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// Draw image/color for the both lines
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if (m_PrimaryBitmap)
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{
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if (m_Flip)
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{
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Rect r(x + i, y + bothBarHeight, 1, -bothBarHeight);
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graphics.DrawImage(m_BothBitmap, r, i, m_H - bothBarHeight, 1, bothBarHeight, UnitPixel);
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}
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else
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{
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Rect r(x + i, y + m_H - bothBarHeight, 1, bothBarHeight);
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graphics.DrawImage(m_BothBitmap, r, i, m_H - bothBarHeight, 1, bothBarHeight, UnitPixel);
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}
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}
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else
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{
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if (m_Flip)
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{
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graphics.DrawLine(&bothPen, x + i, y, x + i, y + bothBarHeight);
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}
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else
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{
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graphics.DrawLine(&bothPen, x + i, y + m_H, x + i, y + m_H - bothBarHeight);
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}
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}
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// Draw the image/color for the rest
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if (secondaryBarHeight > primaryBarHeight)
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{
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if (m_SecondaryBitmap)
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{
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if (m_Flip)
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{
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Rect r(x + i, y + secondaryBarHeight, 1, -(secondaryBarHeight - bothBarHeight));
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graphics.DrawImage(m_SecondaryBitmap, r, i, m_H - secondaryBarHeight, 1, secondaryBarHeight - bothBarHeight, UnitPixel);
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}
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else
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{
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Rect r(x + i, y + m_H - secondaryBarHeight, 1, secondaryBarHeight - bothBarHeight);
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graphics.DrawImage(m_SecondaryBitmap, r, i, m_H - secondaryBarHeight, 1, secondaryBarHeight - bothBarHeight, UnitPixel);
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}
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}
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else
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{
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if (m_Flip)
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{
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graphics.DrawLine(&secondaryPen, x + i, y + bothBarHeight, x + i, y + secondaryBarHeight);
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}
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else
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{
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graphics.DrawLine(&secondaryPen, x + i, y + m_H - bothBarHeight, x + i, y + m_H - secondaryBarHeight);
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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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if (m_PrimaryBitmap)
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{
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if (m_Flip)
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{
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Rect r(x + i, y + primaryBarHeight, 1, -(primaryBarHeight - bothBarHeight));
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graphics.DrawImage(m_PrimaryBitmap, r, i, m_H - primaryBarHeight, 1, primaryBarHeight - bothBarHeight, UnitPixel);
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}
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else
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{
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Rect r(x + i, y + m_H - primaryBarHeight, 1, primaryBarHeight - bothBarHeight);
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graphics.DrawImage(m_PrimaryBitmap, r, i, m_H - primaryBarHeight, 1, primaryBarHeight - bothBarHeight, UnitPixel);
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}
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}
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else
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{
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if (m_Flip)
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{
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graphics.DrawLine(&primaryPen, x + i, y, x + i, y + primaryBarHeight);
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}
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else
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{
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graphics.DrawLine(&primaryPen, x + i, y + m_H - bothBarHeight, x + i, y + m_H - primaryBarHeight);
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}
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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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if (m_PrimaryBitmap)
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{
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if (m_Flip)
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{
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Rect r(x + i, y + primaryBarHeight, 1, -primaryBarHeight);
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graphics.DrawImage(m_PrimaryBitmap, r, i, m_H - primaryBarHeight, 1, primaryBarHeight, UnitPixel);
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}
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else
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{
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Rect r(x + i, y + m_H - primaryBarHeight, 1, primaryBarHeight);
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graphics.DrawImage(m_PrimaryBitmap, r, i, m_H - primaryBarHeight, 1, primaryBarHeight, UnitPixel);
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}
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}
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else
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{
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if (m_Flip)
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{
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graphics.DrawLine(&primaryPen, x + i, y, x + i, y + primaryBarHeight);
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}
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else
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{
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graphics.DrawLine(&primaryPen, x + i, y + m_H, x + i, y + m_H - primaryBarHeight);
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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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/*
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** BindMeasure
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**
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** Overwritten method to handle the secondary measure binding.
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**
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*/
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void CMeterHistogram::BindMeasure(std::list<CMeasure*>& measures)
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{
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CMeter::BindMeasure(measures);
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if(!m_SecondaryMeasureName.empty())
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{
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// Go through the list and check it there is a secondary measure for us
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std::list<CMeasure*>::iterator i = measures.begin();
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for( ; i != measures.end(); i++)
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{
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if(_wcsicmp((*i)->GetName(), m_SecondaryMeasureName.c_str()) == 0)
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{
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m_SecondaryMeasure = (*i);
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return;
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}
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}
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throw CError(std::wstring(L"The meter [") + m_Name + L"] cannot be bound with [" + m_SecondaryMeasureName + L"]!", __LINE__, __FILE__);
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}
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}
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