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/*
Copyright (C) 2010 Kimmo Pekkola, Matt King, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __TINTEDIMAGE_H__
#define __TINTEDIMAGE_H__
#include <windows.h>
#include <ole2.h> // For Gdiplus.h.
#include <gdiplus.h>
#include <string>
#include "Skin.h"
/*
** Helper macro to define an array of option names. A prefix must be given.
**
*/
#define TintedImageHelper_DefineOptionArray(name, prefix) \
const WCHAR* (name)[TintedImage::OptionCount] = { \
prefix L"ImageCrop", \
prefix L"Greyscale", \
prefix L"ImageTint", \
prefix L"ImageAlpha", \
prefix L"ColorMatrix1", \
prefix L"ColorMatrix2", \
prefix L"ColorMatrix3", \
prefix L"ColorMatrix4", \
prefix L"ColorMatrix5", \
prefix L"ImageFlip", \
prefix L"ImageRotate", \
prefix L"UseExifOrientation", \
prefix L"ImagePath" \
};
class ConfigParser;
class TintedImage
{
public:
enum OptionIndex
{
OptionIndexImageCrop = 0,
OptionIndexGreyscale,
OptionIndexImageTint,
OptionIndexImageAlpha,
OptionIndexColorMatrix1,
OptionIndexColorMatrix2,
OptionIndexColorMatrix3,
OptionIndexColorMatrix4,
OptionIndexColorMatrix5,
OptionIndexImageFlip,
OptionIndexImageRotate,
OptionIndexUseExifOrientation,
OptionIndexImagePath,
OptionCount
};
TintedImage(const WCHAR* name = L"ImageName", const WCHAR** optionArray = c_DefaultOptionArray, bool disableTransform = false, Skin* skin = nullptr);
~TintedImage();
TintedImage(const TintedImage& other) = delete;
TintedImage& operator=(TintedImage other) = delete;
void ReadOptions(ConfigParser& parser, const WCHAR* section, const WCHAR* imagePath = L"");
bool IsLoaded() { return (m_Bitmap != nullptr); }
bool IsTinted() { return (m_BitmapTint != nullptr); }
bool IsOptionsChanged() { return m_NeedsCrop || m_NeedsTinting || m_NeedsTransform || m_HasPathChanged; }
void ClearOptionFlags() { m_NeedsCrop = m_NeedsTinting = m_NeedsTransform = m_HasPathChanged = 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();
Gdiplus::Bitmap* LoadImageFromFileHandle(HANDLE fileHandle, DWORD fileSize, HGLOBAL* phBuffer);
static Gdiplus::Bitmap* TurnGreyscale(Gdiplus::Bitmap* source);
static bool CompareColorMatrix(const Gdiplus::ColorMatrix* a, const Gdiplus::ColorMatrix* b);
Gdiplus::Bitmap* m_Bitmap;
Gdiplus::Bitmap* m_BitmapTint; // Tinted bitmap
const WCHAR* m_Name;
const WCHAR** m_OptionArray;
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;
bool m_UseExifOrientation;
std::wstring m_Path;
bool m_HasPathChanged;
std::wstring m_CacheKey;
Skin* m_Skin;
static const Gdiplus::ColorMatrix c_GreyScaleMatrix;
static const Gdiplus::ColorMatrix c_IdentityMatrix;
static const WCHAR* c_DefaultOptionArray[OptionCount];
};
#endif
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