rainmeter-studio/Library/TintedImage.h

105 lines
3.1 KiB
C++

/*
Copyright (C) 2010 Kimmo Pekkola, MattKing, spx
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 __TINTEDIMAGE_H__
#define __TINTEDIMAGE_H__
#include <windows.h>
#include <gdiplus.h>
#include <string>
class CConfigParser;
class CTintedImage
{
public:
CTintedImage(bool disableTransform = false);
virtual ~CTintedImage();
void SetConfigAttributes(const WCHAR* name, const WCHAR* prefix);
void ReadConfig(CConfigParser& parser, const WCHAR* section);
bool IsLoaded() { return (m_Bitmap != NULL); }
bool IsTinted() { return (m_BitmapTint != NULL); }
bool IsConfigsChanged() { return m_NeedsCrop || m_NeedsTinting || m_NeedsTransform; }
void ClearConfigFlags() { m_NeedsCrop = m_NeedsTinting = m_NeedsTransform = false; }
Gdiplus::Bitmap* GetOriginalImage() { return m_Bitmap; }
Gdiplus::Bitmap* GetTintedImage() { return m_BitmapTint; }
Gdiplus::Bitmap* GetImage() { return (m_BitmapTint) ? m_BitmapTint : m_Bitmap; }
void DisposeImage();
void LoadImage(const std::wstring& imageName, bool bLoadAlways);
protected:
enum CROPMODE
{
CROPMODE_TL = 1,
CROPMODE_TR,
CROPMODE_BR,
CROPMODE_BL,
CROPMODE_C
};
void ApplyCrop();
void ApplyTint();
void ApplyTransform();
static bool LoadImageFromFileHandle(HANDLE fileHandle, Gdiplus::Bitmap** pBitmap, HGLOBAL* phBuffer);
static Gdiplus::Bitmap* TurnGreyscale(Gdiplus::Bitmap* source);
static bool CompareColorMatrix(const Gdiplus::ColorMatrix& a, const Gdiplus::ColorMatrix& b);
Gdiplus::Bitmap* m_Bitmap; // The bitmap
Gdiplus::Bitmap* m_BitmapTint; // The tinted bitmap
HGLOBAL m_hBuffer;
FILETIME m_Modified;
std::wstring m_ConfigName;
std::wstring m_ConfigImageCrop;
std::wstring m_ConfigGreyscale;
std::wstring m_ConfigImageTint;
std::wstring m_ConfigImageAlpha;
std::wstring m_ConfigColorMatrix1;
std::wstring m_ConfigColorMatrix2;
std::wstring m_ConfigColorMatrix3;
std::wstring m_ConfigColorMatrix4;
std::wstring m_ConfigColorMatrix5;
std::wstring m_ConfigImageFlip;
std::wstring m_ConfigImageRotate;
const bool m_DisableTransform;
bool m_NeedsCrop;
bool m_NeedsTinting;
bool m_NeedsTransform;
Gdiplus::Rect m_Crop;
CROPMODE m_CropMode;
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;
};
#endif