rainmeter-studio/Library/MeterBar.cpp

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/*
Copyright (C) 2001 Kimmo Pekkola
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "StdAfx.h"
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#include "MeterBar.h"
#include "Measure.h"
#include "Error.h"
#include "Litestep.h"
#include "Rainmeter.h"
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using namespace Gdiplus;
extern CRainmeter* Rainmeter;
/*
** CMeterBar
**
** The constructor
**
*/
CMeterBar::CMeterBar(CMeterWindow* meterWindow) : CMeterImage(meterWindow, L"ImageW", L"ImageH"),
m_Color(Color::Green)
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{
m_Value = 0.0;
m_Border = 0;
m_Flip = false;
}
/*
** ~CMeterBar
**
** The destructor
**
*/
CMeterBar::~CMeterBar()
{
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}
/*
** Initialize
**
** Load the image or create the brush. If image is used get the dimensions
** of the meter from it.
**
*/
void CMeterBar::Initialize()
{
CMeter::Initialize();
// Load the bitmaps if defined
if(!m_ImageName.empty())
{
LoadImage(false);
if(m_Bitmap)
{
m_W = m_Bitmap->GetWidth();
m_H = m_Bitmap->GetHeight();
}
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}
else
{
if (m_Bitmap)
{
delete m_Bitmap;
m_Bitmap = NULL;
}
}
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}
/*
** ReadConfig
**
** Read the meter-specific configs from the ini-file.
**
*/
void CMeterBar::ReadConfig(const WCHAR* section)
{
// Store the current values so we know if the image needs to be updated
std::wstring oldImageName = m_ImageName;
int oldW = m_W;
int oldH = m_H;
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// Read common configs
CMeterImage::ReadConfig(section);
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CConfigParser& parser = m_MeterWindow->GetParser();
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m_Color = parser.ReadColor(section, L"BarColor", Color::Green);
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m_ImageName = parser.ReadString(section, L"BarImage", L"");
m_ImageName = m_MeterWindow->MakePathAbsolute(m_ImageName);
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m_Border = parser.ReadInt(section, L"BarBorder", 0);
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m_Flip = parser.ReadInt(section, L"Flip", 0) == 1;
std::wstring orientation = parser.ReadString(section, L"BarOrientation", L"VERTICAL");
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if(_wcsicmp(L"VERTICAL", orientation.c_str()) == 0)
{
m_Orientation = VERTICAL;
}
else if(_wcsicmp(L"HORIZONTAL", orientation.c_str()) == 0)
{
m_Orientation = HORIZONTAL;
}
else
{
throw CError(std::wstring(L"BarOrientation=") + orientation + L" is not valid in meter [" + m_Name + L"].", __LINE__, __FILE__);
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}
if (m_Initialized)
{
if (oldImageName != m_ImageName || m_NeedsTinting || m_NeedsTransform)
{
Initialize(); // Reload the image
}
else if (!m_ImageName.empty())
{
// Reset to old dimensions
m_W = oldW;
m_H = oldH;
}
}
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}
/*
** Update
**
** Updates the value(s) from the measures.
**
*/
bool CMeterBar::Update()
{
if (CMeter::Update() && m_Measure)
{
m_Value = m_Measure->GetRelativeValue();
return true;
}
return false;
}
/*
** Draw
**
** Draws the meter on the double buffer
**
*/
bool CMeterBar::Draw(Graphics& graphics)
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{
if(!CMeter::Draw(graphics)) return false;
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int x = GetX();
int y = GetY();
Bitmap* drawBitmap = (m_BitmapTint) ? m_BitmapTint : m_Bitmap;
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if(m_Orientation == VERTICAL)
{
int barSize = m_H - 2 * m_Border;
int size = (int)(barSize * m_Value);
size = min(barSize, size);
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size = max(0, size);
if (drawBitmap)
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{
if (m_Flip)
{
if (m_Border > 0)
{
Rect r2(x, y, m_W, m_Border);
graphics.DrawImage(drawBitmap, r2, 0, 0, m_W, m_Border, UnitPixel);
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r2.Y = y + size + m_Border;
graphics.DrawImage(drawBitmap, r2, 0, m_H - m_Border, m_W, m_Border, UnitPixel);
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}
// Blit the image
Rect r(x, y + m_Border, m_W, size);
graphics.DrawImage(drawBitmap, r, 0, m_Border, m_W, size, UnitPixel);
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}
else
{
if (m_Border > 0)
{
Rect r2(x, y + m_H - size - 2 * m_Border, m_W, m_Border);
graphics.DrawImage(drawBitmap, r2, 0, 0, m_W, m_Border, UnitPixel);
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r2.Y = y + m_H - m_Border;
graphics.DrawImage(drawBitmap, r2, 0, m_H - m_Border, m_W, m_Border, UnitPixel);
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}
// Blit the image
Rect r(x, y + m_H - size - m_Border, m_W, size);
graphics.DrawImage(drawBitmap, r, 0, m_H - size - m_Border, m_W, size, UnitPixel);
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}
}
else
{
SolidBrush brush(m_Color);
if (m_Flip)
{
Rect r(x, y, m_W, size);
graphics.FillRectangle(&brush, r);
}
else
{
Rect r(x, y + m_H - size, m_W, size);
graphics.FillRectangle(&brush, r);
}
}
}
else
{
int barSize = m_W - 2 * m_Border;
int size = (int)(barSize * m_Value);
size = min(barSize, size);
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size = max(0, size);
if (drawBitmap)
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{
if (m_Flip)
{
if (m_Border > 0)
{
Rect r2(x + m_W - size - 2 * m_Border, y, m_Border, m_H);
graphics.DrawImage(drawBitmap, r2, 0, 0, m_Border, m_H, UnitPixel);
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r2.X = x + m_W - m_Border;
graphics.DrawImage(drawBitmap, r2, m_W - m_Border, 0, m_Border, m_H, UnitPixel);
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}
// Blit the image
Rect r(x + m_W - size - m_Border, y, size, m_H);
graphics.DrawImage(drawBitmap, r, m_W - size - m_Border, 0, size, m_H, UnitPixel);
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}
else
{
if (m_Border > 0)
{
Rect r2(x, y, m_Border, m_H);
graphics.DrawImage(drawBitmap, r2, 0, 0, m_Border, m_H, UnitPixel);
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r2.X = x + size + m_Border;
graphics.DrawImage(drawBitmap, r2, m_W - m_Border, 0, m_Border, m_H, UnitPixel);
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}
// Blit the image
Rect r(x + m_Border, y, size, m_H);
graphics.DrawImage(drawBitmap, r, m_Border, 0, size, m_H, UnitPixel);
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}
}
else
{
SolidBrush brush(m_Color);
if (m_Flip)
{
Rect r(x + m_W - size, y, size, m_H);
graphics.FillRectangle(&brush, r);
}
else
{
Rect r(x, y, size, m_H);
graphics.FillRectangle(&brush, r);
}
}
}
return true;
}