145 lines
4.1 KiB
C++
145 lines
4.1 KiB
C++
/*
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Copyright (C) 2010 Kimmo Pekkola, Matt King, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 <ole2.h> // For Gdiplus.h.
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#include <gdiplus.h>
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#include <string>
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#include "MeterWindow.h"
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/*
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** Helper macro to define an array of option names. A prefix must be given.
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**
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*/
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#define TintedImageHelper_DefineOptionArray(name, prefix) \
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const WCHAR* (name)[TintedImage::OptionCount] = { \
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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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prefix L"UseExifOrientation", \
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prefix L"ImagePath" \
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};
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class ConfigParser;
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class TintedImage
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{
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public:
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enum OptionIndex
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{
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OptionIndexImageCrop = 0,
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OptionIndexGreyscale,
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OptionIndexImageTint,
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OptionIndexImageAlpha,
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OptionIndexColorMatrix1,
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OptionIndexColorMatrix2,
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OptionIndexColorMatrix3,
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OptionIndexColorMatrix4,
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OptionIndexColorMatrix5,
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OptionIndexImageFlip,
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OptionIndexImageRotate,
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OptionIndexUseExifOrientation,
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OptionIndexImagePath,
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OptionCount
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};
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TintedImage(const WCHAR* name = L"ImageName", const WCHAR** optionArray = c_DefaultOptionArray, bool disableTransform = false, MeterWindow* meterWindow = nullptr);
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~TintedImage();
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TintedImage(const TintedImage& other) = delete;
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TintedImage& operator=(TintedImage other) = delete;
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void ReadOptions(ConfigParser& parser, const WCHAR* section, const WCHAR* imagePath = L"");
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bool IsLoaded() { return (m_Bitmap != nullptr); }
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bool IsTinted() { return (m_BitmapTint != nullptr); }
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bool IsOptionsChanged() { return m_NeedsCrop || m_NeedsTinting || m_NeedsTransform || m_HasPathChanged; }
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void ClearOptionFlags() { m_NeedsCrop = m_NeedsTinting = m_NeedsTransform = m_HasPathChanged = 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;
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Gdiplus::Bitmap* m_BitmapTint; // Tinted bitmap
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const WCHAR* m_Name;
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const WCHAR** m_OptionArray;
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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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bool m_UseExifOrientation;
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std::wstring m_WorkDirectory;
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bool m_HasPathChanged;
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std::wstring m_CacheKey;
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MeterWindow* m_MeterWindow;
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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_DefaultOptionArray[OptionCount];
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};
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#endif
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