rainmeter-studio/Library/MeterImage.h

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/*
Copyright (C) 2002 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.
*/
#ifndef __METERIMAGE_H__
#define __METERIMAGE_H__
#include "Meter.h"
#include "MeterWindow.h"
namespace Gdiplus
{
class Bitmap;
};
class CMeterImage : public CMeter
{
public:
CMeterImage(CMeterWindow* meterWindow);
virtual ~CMeterImage();
virtual void ReadConfig(const WCHAR* section);
virtual void Initialize();
virtual bool Update();
virtual bool Draw(Gdiplus::Graphics& graphics);
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virtual void BindMeasure(std::list<CMeasure*>& measures);
private:
void LoadImage(bool bLoadAlways);
bool CompareColorMatrix(const Gdiplus::ColorMatrix& a, const Gdiplus::ColorMatrix& b);
void ApplyTint();
Gdiplus::Bitmap* TurnGreyscale();
void ApplyTransform();
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Gdiplus::Bitmap* m_Bitmap; // The bitmap
Gdiplus::Bitmap* m_BitmapTint; // The bitmap
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std::wstring m_ImageName; // Name of the image
std::wstring m_Path;
bool m_NeedsReload;
bool m_NeedsTinting;
bool m_NeedsTransform;
bool m_WidthDefined;
bool m_HeightDefined;
bool m_PreserveAspectRatio; // If true, aspect ratio of the image is preserved when the image is scaled
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HGLOBAL m_hBuffer;
FILETIME m_Modified;
bool m_GreyScale;
Gdiplus::ColorMatrix m_ColorMatrix;
Gdiplus::RotateFlipType m_Flip;
Gdiplus::REAL m_Rotate;
static const Gdiplus::ColorMatrix c_GreyScaleMatrix;
static const Gdiplus::ColorMatrix c_IdentifyMatrix;
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};
#endif