mirror of
https://github.com/chibicitiberiu/rainmeter-studio.git
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456 lines
9.7 KiB
C++
456 lines
9.7 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 "MeterBitmap.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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** CMeterBitmap
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**
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** The constructor
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**
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*/
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CMeterBitmap::CMeterBitmap(CMeterWindow* meterWindow) : CMeter(meterWindow)
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{
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m_Bitmap = NULL;
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m_FrameCount = 1;
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m_ZeroFrame = false;
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m_Align = ALIGN_LEFT;
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m_Extend = false;
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m_Separation = 0;
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m_Digits = 0;
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m_Value = 0;
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m_TransitionFrameCount = 0;
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m_TransitionStartTicks = 0;
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}
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/*
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** ~CMeterBitmap
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**
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** The destructor
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**
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*/
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CMeterBitmap::~CMeterBitmap()
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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 and get the dimensions of the meter from it.
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**
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*/
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void CMeterBitmap::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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if (m_Bitmap != NULL) delete m_Bitmap;
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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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delete m_Bitmap;
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m_Bitmap = NULL;
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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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m_W = m_Bitmap->GetWidth();
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m_H = m_Bitmap->GetHeight();
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if(m_H > m_W)
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{
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m_H = m_H / m_FrameCount;
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}
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else
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{
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m_W = m_W / m_FrameCount;
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}
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}
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}
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/*
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** HitTest
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**
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** Checks if the given point is inside the meter.
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**
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*/
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bool CMeterBitmap::HitTest(int x, int y)
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{
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if (m_Extend)
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{
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int value = (int)m_Value;
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value = max(0, value); // Only positive integers are supported
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int tmpValue = value;
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// Calc the number of numbers
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int numOfNums = 0;
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if (m_Digits > 0)
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{
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numOfNums = m_Digits;
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}
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else
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{
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int realFrames = (m_FrameCount / (m_TransitionFrameCount + 1));
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do
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{
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numOfNums ++;
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if (realFrames == 1)
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{
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tmpValue /= 2;
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}
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else
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{
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tmpValue /= realFrames;
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}
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} while (tmpValue > 0);
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}
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Rect rect(GetX(), GetY(), m_W * numOfNums + (numOfNums - 1) * m_Separation, m_H);
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if (m_Align == ALIGN_CENTER)
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{
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rect.Offset(-rect.Width / 2, 0);
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}
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else if (m_Align == ALIGN_RIGHT)
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{
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rect.Offset(-rect.Width, 0);
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}
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if (rect.Contains(x, y))
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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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else
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{
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return CMeter::HitTest(x, y);
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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 CMeterBitmap::ReadConfig(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 oldImageName = m_ImageName;
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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"BitmapImage", L"");
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m_ImageName = m_MeterWindow->MakePathAbsolute(m_ImageName);
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m_FrameCount = parser.ReadInt(section, L"BitmapFrames", 1);
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m_ZeroFrame = 0!=parser.ReadInt(section, L"BitmapZeroFrame", 0);
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m_Separation = parser.ReadInt(section, L"BitmapSeparation", 0);
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m_Extend = 0!=parser.ReadInt(section, L"BitmapExtend", 0);
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m_Digits = parser.ReadInt(section, L"BitmapDigits", 0);
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m_TransitionFrameCount = parser.ReadInt(section, L"BitmapTransitionFrames", 0);
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std::wstring align;
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align = parser.ReadString(section, L"BitmapAlign", L"LEFT");
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if(_wcsicmp(align.c_str(), L"LEFT") == 0)
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{
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m_Align = ALIGN_LEFT;
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}
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else if(_wcsicmp(align.c_str(), L"RIGHT") == 0)
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{
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m_Align = ALIGN_RIGHT;
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}
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else if(_wcsicmp(align.c_str(), L"CENTER") == 0)
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{
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m_Align = ALIGN_CENTER;
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}
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else
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{
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throw CError(std::wstring(L"No such BitmapAlign: ") + align, __LINE__, __FILE__);
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}
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if (m_Initialized &&
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oldImageName != m_ImageName)
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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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** 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 CMeterBitmap::Update()
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{
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if (CMeter::Update() && m_Measure)
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{
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double value = 0.0;
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if (m_Extend)
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{
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value = m_Measure->GetValue();
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}
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else
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{
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value = m_Measure->GetRelativeValue();
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}
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if (m_TransitionFrameCount > 0)
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{
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int realFrames = m_FrameCount / (m_TransitionFrameCount + 1);
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if ((int)(value * realFrames) != (int)(m_Value * realFrames))
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{
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m_TransitionStartValue = m_Value;
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m_TransitionStartTicks = GetTickCount();
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}
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else
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{
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m_TransitionStartTicks = 0;
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}
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}
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m_Value = value;
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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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** HasActiveTransition
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**
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** Returns true if the meter has active transition animation.
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**
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*/
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bool CMeterBitmap::HasActiveTransition()
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{
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if (m_TransitionStartTicks > 0)
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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 CMeterBitmap::Draw(Graphics& graphics)
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{
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if(!CMeter::Draw(graphics)) return false;
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int newY, newX;
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if(m_FrameCount == 0 || m_Bitmap == NULL) return false; // Unable to continue
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int x = GetX();
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int y = GetY();
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DWORD diffTicks = GetTickCount() - m_TransitionStartTicks;
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if (m_Extend)
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{
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int value = (int)m_Value;
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value = max(0, value); // Only positive integers are supported
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int transitionValue = (int)m_TransitionStartValue;
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transitionValue = max(0, transitionValue); // Only positive integers are supported
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int tmpValue = value;
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// Calc the number of numbers
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int numOfNums = 0;
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if (m_Digits > 0)
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{
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numOfNums = m_Digits;
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}
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else
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{
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do
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{
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numOfNums ++;
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if (m_FrameCount == 1)
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{
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tmpValue /= 2;
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}
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else
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{
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tmpValue /= m_FrameCount;
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}
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} while (tmpValue > 0);
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}
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// Blit the images
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int offset;
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if (m_Align == ALIGN_RIGHT)
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{
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offset = 0;
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}
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else if (m_Align == ALIGN_CENTER)
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{
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offset = numOfNums * (m_W + m_Separation) / 2;
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}
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else
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{
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offset = numOfNums * (m_W + m_Separation);
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}
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do
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{
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offset = offset - (m_W + m_Separation);
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Rect r(x + offset, y, m_W, m_H);
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int realFrames = (m_FrameCount / (m_TransitionFrameCount + 1));
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int frame = (value % realFrames) * (m_TransitionFrameCount + 1);
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// If transition is ongoing the pick the correct frame
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if (m_TransitionStartTicks > 0)
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{
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int range = ((value % realFrames) - ((int)transitionValue % realFrames)) * (m_TransitionFrameCount + 1);
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if (range < 0)
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{
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range += m_FrameCount;
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}
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int frameAdjustment = 0;
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frameAdjustment = range * diffTicks / ((m_TransitionFrameCount + 1) * m_MeterWindow->GetTransitionUpdate());
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if (frameAdjustment > range)
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{
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m_TransitionStartTicks = 0; // The transition is over. Draw with the real value.
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}
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else
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{
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frame = ((int)transitionValue % realFrames) * (m_TransitionFrameCount + 1);
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frame += frameAdjustment;
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frame %= m_FrameCount;
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}
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}
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// DebugLog(L"[%i] Value: %f Frame: %i (Transition = %s)", GetTickCount(), m_Value, frame, m_TransitionStartTicks > 0 ? L"true" : L"false");
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if(m_Bitmap->GetHeight() > m_Bitmap->GetWidth())
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{
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newX = 0;
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newY = m_H * frame;
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}
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else
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{
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newX = m_W * frame;
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newY = 0;
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}
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graphics.DrawImage(m_Bitmap, r, newX, newY, m_W, m_H, UnitPixel);
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if (m_FrameCount == 1)
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{
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value /= 2;
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transitionValue /= 2;
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}
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else
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{
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value /= realFrames;
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transitionValue /= realFrames;
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}
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numOfNums--;
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} while (numOfNums > 0);
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}
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else
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{
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int frame = 0;
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int realFrames = (m_FrameCount / (m_TransitionFrameCount + 1));
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if (m_ZeroFrame)
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{
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// Use the first frame only if the value is zero
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if (m_Value > 0)
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{
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frame = (int)(m_Value * (realFrames - 1)) * (m_TransitionFrameCount + 1);
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}
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}
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else
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{
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// Select the correct frame linearly
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frame = (int)(m_Value * realFrames) * (m_TransitionFrameCount + 1);
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}
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// If transition is ongoing the pick the correct frame
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if (m_TransitionStartTicks > 0)
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{
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if ((int)diffTicks > ((m_TransitionFrameCount + 1) * m_MeterWindow->GetTransitionUpdate()))
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{
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m_TransitionStartTicks = 0; // The transition is over. Draw with the real value.
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}
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else
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{
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double range = (m_Value - m_TransitionStartValue);
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double adjustment = range * diffTicks / ((m_TransitionFrameCount + 1) * m_MeterWindow->GetTransitionUpdate());
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double frameAdjustment = adjustment * m_FrameCount;
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frame = (int)(m_TransitionStartValue * realFrames) * (m_TransitionFrameCount + 1);
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frame += (int)frameAdjustment;
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frame %= m_FrameCount;
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frame = max(0, frame);
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}
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}
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// DebugLog(L"[%i] Value: %f Frame: %i (Transition = %s)", GetTickCount(), m_Value, frame, m_TransitionStartTicks > 0 ? L"true" : L"false");
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if(m_Bitmap->GetHeight() > m_Bitmap->GetWidth())
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{
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newX = 0;
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newY = frame * m_H;
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}
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else
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{
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newX = frame * m_W;
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newY = 0;
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}
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// Blit the image
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Rect r(x, y, m_W, m_H);
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graphics.DrawImage(m_Bitmap, r, newX, newY, m_W, m_H, UnitPixel);
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}
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return true;
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}
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