Permalink
Fetching contributors…
Cannot retrieve contributors at this time
253 lines (223 sloc) 6.41 KB
/* Copyright (C) 2001 Rainmeter Project Developers
*
* This Source Code Form is subject to the terms of the GNU General Public
* License; either version 2 of the License, or (at your option) any later
* version. If a copy of the GPL was not distributed with this file, You can
* obtain one at <https://www.gnu.org/licenses/gpl-2.0.html>. */
#include "StdAfx.h"
#include "MeterBar.h"
#include "Measure.h"
#include "Util.h"
#include "Rainmeter.h"
#include "../Common/Gfx/Canvas.h"
using namespace Gdiplus;
MeterBar::MeterBar(Skin* skin, const WCHAR* name) : Meter(skin, name),
m_Image(L"BarImage", nullptr, false, skin),
m_NeedsReload(false),
m_Color(Color::Green),
m_Orientation(VERTICAL),
m_Value(),
m_Border(),
m_Flip(false)
{
}
MeterBar::~MeterBar()
{
}
/*
** Load the image or create the brush. If image is used get the dimensions
** of the meter from it.
**
*/
void MeterBar::Initialize()
{
Meter::Initialize();
// Load the bitmaps if defined
if (!m_ImageName.empty())
{
m_Image.LoadImage(m_ImageName, m_NeedsReload);
if (m_Image.IsLoaded())
{
Bitmap* bitmap = m_Image.GetImage();
m_W = bitmap->GetWidth() + GetWidthPadding();
m_H = bitmap->GetHeight() + GetHeightPadding();
}
}
else if (m_Image.IsLoaded())
{
m_Image.DisposeImage();
}
}
/*
** Read the options specified in the ini file.
**
*/
void MeterBar::ReadOptions(ConfigParser& parser, 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;
Meter::ReadOptions(parser, section);
m_Color = parser.ReadColor(section, L"BarColor", Color::Green);
m_ImageName = parser.ReadString(section, L"BarImage", L"");
if (!m_ImageName.empty())
{
// Read tinting options
m_Image.ReadOptions(parser, section);
}
else
{
m_Image.ClearOptionFlags();
}
m_Border = parser.ReadInt(section, L"BarBorder", 0);
m_Flip = parser.ReadBool(section, L"Flip", false);
const WCHAR* orientation = parser.ReadString(section, L"BarOrientation", L"VERTICAL").c_str();
if (_wcsicmp(L"VERTICAL", orientation) == 0)
{
m_Orientation = VERTICAL;
}
else if (_wcsicmp(L"HORIZONTAL", orientation) == 0)
{
m_Orientation = HORIZONTAL;
}
else
{
LogErrorF(this, L"BarOrientation=%s is not valid", orientation);
}
if (m_Initialized)
{
m_NeedsReload = (wcscmp(oldImageName.c_str(), m_ImageName.c_str()) != 0);
if (m_NeedsReload ||
m_Image.IsOptionsChanged())
{
Initialize(); // Reload the image
}
else if (!m_ImageName.empty())
{
// Reset to old dimensions
m_W = oldW;
m_H = oldH;
}
}
}
/*
** Updates the value(s) from the measures.
**
*/
bool MeterBar::Update()
{
if (Meter::Update() && !m_Measures.empty())
{
m_Value = m_Measures[0]->GetRelativeValue();
return true;
}
return false;
}
/*
** Draws the meter on the double buffer
**
*/
bool MeterBar::Draw(Gfx::Canvas& canvas)
{
if (!Meter::Draw(canvas)) return false;
Gdiplus::Rect meterRect = GetMeterRectPadding();
Bitmap* drawBitmap = m_Image.GetImage();
if (m_Orientation == VERTICAL)
{
int barSize = meterRect.Height - 2 * m_Border;
int size = (int)(barSize * m_Value);
size = min(barSize, size);
size = max(0, size);
if (drawBitmap)
{
if (m_Flip)
{
if (m_Border > 0)
{
Rect r2(meterRect.X, meterRect.Y, meterRect.Width, m_Border);
canvas.DrawBitmap(drawBitmap, r2, Rect(0, 0, meterRect.Width, m_Border));
r2.Y = meterRect.Y + size + m_Border;
canvas.DrawBitmap(drawBitmap, r2, Rect(0, meterRect.Height - m_Border, meterRect.Width, m_Border));
}
Rect r(meterRect.X, meterRect.Y + m_Border, meterRect.Width, size);
canvas.DrawBitmap(drawBitmap, r, Rect(0, m_Border, meterRect.Width, size));
}
else
{
if (m_Border > 0)
{
Rect r2(meterRect.X, meterRect.Y + meterRect.Height - size - 2 * m_Border, meterRect.Width, m_Border);
canvas.DrawBitmap(drawBitmap, r2, Rect(0, 0, meterRect.Width, m_Border));
r2.Y = meterRect.Y + meterRect.Height - m_Border;
canvas.DrawBitmap(drawBitmap, r2, Rect(0, meterRect.Height - m_Border, meterRect.Width, m_Border));
}
Rect r(meterRect.X, meterRect.Y + meterRect.Height - size - m_Border, meterRect.Width, size);
canvas.DrawBitmap(drawBitmap, r, Rect(0, meterRect.Height - size - m_Border, meterRect.Width, size));
}
}
else
{
SolidBrush brush(m_Color);
if (m_Flip)
{
Rect r(meterRect.X, meterRect.Y, meterRect.Width, size);
canvas.FillRectangle(r, brush);
}
else
{
Rect r(meterRect.X, meterRect.Y + meterRect.Height - size, meterRect.Width, size);
canvas.FillRectangle(r, brush);
}
}
}
else
{
int barSize = meterRect.Width - 2 * m_Border;
int size = (int)(barSize * m_Value);
size = min(barSize, size);
size = max(0, size);
if (drawBitmap)
{
if (m_Flip)
{
if (m_Border > 0)
{
Rect r2(meterRect.X + meterRect.Width - size - 2 * m_Border, meterRect.Y, m_Border, meterRect.Height);
canvas.DrawBitmap(drawBitmap, r2, Rect(0, 0, m_Border, meterRect.Height));
r2.X = meterRect.X + meterRect.Width - m_Border;
canvas.DrawBitmap(drawBitmap, r2, Rect(meterRect.Width - m_Border, 0, m_Border, meterRect.Height));
}
Rect r(meterRect.X + meterRect.Width - size - m_Border, meterRect.Y, size, meterRect.Height);
canvas.DrawBitmap(drawBitmap, r, Rect(meterRect.Width - size - m_Border, 0, size, meterRect.Height));
}
else
{
if (m_Border > 0)
{
Rect r2(meterRect.X, meterRect.Y, m_Border, meterRect.Height);
canvas.DrawBitmap(drawBitmap, r2, Rect(0, 0, m_Border, meterRect.Height));
r2.X = meterRect.X + size + m_Border;
canvas.DrawBitmap(drawBitmap, r2, Rect(meterRect.Width - m_Border, 0, m_Border, meterRect.Height));
}
Rect r(meterRect.X + m_Border, meterRect.Y, size, meterRect.Height);
canvas.DrawBitmap(drawBitmap, r, Rect(m_Border, 0, size, meterRect.Height));
}
}
else
{
SolidBrush brush(m_Color);
if (m_Flip)
{
Rect r(meterRect.X + meterRect.Width - size, meterRect.Y, size, meterRect.Height);
canvas.FillRectangle(r, brush);
}
else
{
Rect r(meterRect.X, meterRect.Y, size, meterRect.Height);
canvas.FillRectangle(r, brush);
}
}
}
return true;
}