mirror of
https://github.com/chibicitiberiu/rainmeter-studio.git
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169 lines
3.8 KiB
C++
169 lines
3.8 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 "MeterRotator.h"
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#include "Measure.h"
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#include "Error.h"
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#include "Litestep.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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** CMeterRotator
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**
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** The constructor
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**
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*/
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CMeterRotator::CMeterRotator(CMeterWindow* meterWindow) : CMeter(meterWindow)
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{
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m_Bitmap = NULL;
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m_Value = 0.0;
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}
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/*
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** ~CMeterRotator
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**
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** The destructor
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**
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*/
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CMeterRotator::~CMeterRotator()
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{
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if(m_Bitmap != NULL) delete m_Bitmap;
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}
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/*
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** Initialize
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**
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** Load the image & configs.
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**
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*/
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void CMeterRotator::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_ImageName.empty())
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{
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m_Bitmap = new Bitmap(m_ImageName.c_str());
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Status status = m_Bitmap->GetLastStatus();
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if(Ok != status)
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{
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throw CError(std::wstring(L"Bitmap image not found: ") + m_ImageName, __LINE__, __FILE__);
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}
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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 CMeterRotator::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_ImageName = parser.ReadString(section, L"ImageName", L"");
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m_ImageName = Rainmeter->FixPath(m_ImageName, PATH_FOLDER_CURRENT_SKIN, m_MeterWindow->GetSkinName());
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m_OffsetX = parser.ReadFloat(section, L"OffsetX", 0.0);
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m_OffsetY = parser.ReadFloat(section, L"OffsetY", 0.0);
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m_StartAngle = parser.ReadFloat(section, L"StartAngle", 0.0);
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m_RotationAngle = parser.ReadFloat(section, L"RotationAngle", 6.2832);
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m_ValueRemainder = parser.ReadInt(section, L"ValueReminder", 0); // Typo
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m_ValueRemainder = parser.ReadInt(section, L"ValueRemainder", m_ValueRemainder);
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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 CMeterRotator::Update()
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{
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if (CMeter::Update() && m_Measure)
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{
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if (m_ValueRemainder > 0)
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{
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LARGE_INTEGER time;
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time.QuadPart = (LONGLONG)m_Measure->GetValue();
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m_Value = (double)(time.QuadPart % m_ValueRemainder);
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m_Value /= (double)m_ValueRemainder;
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}
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else
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{
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m_Value = m_Measure->GetRelativeValue();
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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 CMeterRotator::Draw()
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{
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if(!CMeter::Draw()) return false;
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// Calculate the center for rotation
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int x = GetX();
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int y = GetY();
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REAL cx = (REAL)(x + m_W / 2.0);
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REAL cy = (REAL)(y + m_H / 2.0);
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// Calculate the rotation
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REAL angle = (REAL)(m_RotationAngle * m_Value + m_StartAngle);
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Graphics graphics(m_MeterWindow->GetDoubleBuffer());
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angle = angle * 180.0f / 3.14159265f; // Convert to degrees
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graphics.TranslateTransform(cx, cy);
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graphics.RotateTransform(angle);
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graphics.TranslateTransform((REAL)-m_OffsetX, (REAL)-m_OffsetY);
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if(m_Bitmap)
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{
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UINT width = m_Bitmap->GetWidth();
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UINT height = m_Bitmap->GetHeight();
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// Blit the image
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graphics.DrawImage(m_Bitmap, 0, 0, width, height);
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}
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return true;
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}
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