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https://github.com/chibicitiberiu/rainmeter-studio.git
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133 lines
3.7 KiB
C++
133 lines
3.7 KiB
C++
/*
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Copyright (C) 2010 Kimmo Pekkola, MattKing, spx
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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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#ifndef __TINTEDIMAGE_H__
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#define __TINTEDIMAGE_H__
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#include <windows.h>
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#include <gdiplus.h>
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#include <string>
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/*
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** CTintedImageHelper_DefineConfigArray macro
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**
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** This is a helper macro to define the array of the config item.
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** It's necessary to give a string literal to the prefix parameter.
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**
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*/
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#define CTintedImageHelper_DefineConfigArray(name, prefix) \
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const WCHAR* (name)[CTintedImage::ConfigCount] = { \
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prefix L"ImageCrop", \
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prefix L"Greyscale", \
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prefix L"ImageTint", \
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prefix L"ImageAlpha", \
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prefix L"ColorMatrix1", \
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prefix L"ColorMatrix2", \
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prefix L"ColorMatrix3", \
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prefix L"ColorMatrix4", \
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prefix L"ColorMatrix5", \
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prefix L"ImageFlip", \
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prefix L"ImageRotate" \
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};
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class CConfigParser;
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class CTintedImage
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{
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public:
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enum ConfigIndex
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{
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ConfigIndexImageCrop = 0,
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ConfigIndexGreyscale,
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ConfigIndexImageTint,
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ConfigIndexImageAlpha,
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ConfigIndexColorMatrix1,
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ConfigIndexColorMatrix2,
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ConfigIndexColorMatrix3,
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ConfigIndexColorMatrix4,
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ConfigIndexColorMatrix5,
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ConfigIndexImageFlip,
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ConfigIndexImageRotate,
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ConfigCount
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};
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CTintedImage(const WCHAR* name = L"Image", const WCHAR** configArray = c_DefaultConfigArray, bool disableTransform = false);
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~CTintedImage();
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void ReadConfig(CConfigParser& parser, const WCHAR* section);
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bool IsLoaded() { return (m_Bitmap != NULL); }
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bool IsTinted() { return (m_BitmapTint != NULL); }
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bool IsConfigsChanged() { return m_NeedsCrop || m_NeedsTinting || m_NeedsTransform; }
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void ClearConfigFlags() { m_NeedsCrop = m_NeedsTinting = m_NeedsTransform = false; }
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Gdiplus::Bitmap* GetOriginalImage() { return m_Bitmap; }
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Gdiplus::Bitmap* GetTintedImage() { return m_BitmapTint; }
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Gdiplus::Bitmap* GetImage() { return (m_BitmapTint) ? m_BitmapTint : m_Bitmap; }
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void DisposeImage();
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void LoadImage(const std::wstring& imageName, bool bLoadAlways);
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protected:
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enum CROPMODE
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{
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CROPMODE_TL = 1,
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CROPMODE_TR,
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CROPMODE_BR,
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CROPMODE_BL,
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CROPMODE_C
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};
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void ApplyCrop();
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void ApplyTint();
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void ApplyTransform();
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Gdiplus::Bitmap* LoadImageFromFileHandle(HANDLE fileHandle, DWORD fileSize, HGLOBAL* phBuffer);
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static Gdiplus::Bitmap* TurnGreyscale(Gdiplus::Bitmap* source);
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static bool CompareColorMatrix(const Gdiplus::ColorMatrix* a, const Gdiplus::ColorMatrix* b);
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Gdiplus::Bitmap* m_Bitmap; // The bitmap
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Gdiplus::Bitmap* m_BitmapTint; // The tinted bitmap
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const std::wstring m_ConfigName;
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const WCHAR** m_ConfigArray;
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const bool m_DisableTransform;
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bool m_NeedsCrop;
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bool m_NeedsTinting;
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bool m_NeedsTransform;
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Gdiplus::Rect m_Crop;
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CROPMODE m_CropMode;
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bool m_GreyScale;
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Gdiplus::ColorMatrix* m_ColorMatrix;
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Gdiplus::RotateFlipType m_Flip;
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Gdiplus::REAL m_Rotate;
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std::wstring m_CacheKey;
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static const Gdiplus::ColorMatrix c_GreyScaleMatrix;
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static const Gdiplus::ColorMatrix c_IdentityMatrix;
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static const WCHAR* c_DefaultConfigArray[ConfigCount];
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};
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#endif
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