108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
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/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORPORATION, 1998
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*
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* TITLE: CONTRAST.H
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*
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* VERSION: 1.0
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*
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* AUTHOR: ShaunIv
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*
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* DATE: 1/11/2001
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*
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* DESCRIPTION: Small preview window for illustrating brightness and contrast settings
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*
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*******************************************************************************/
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#ifndef __CONTRAST_H_INCLUDED
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#define __CONTRAST_H_INCLUDED
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#include <windows.h>
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#include <gphelper.h>
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#define BCPWM_COLOR 0
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#define BCPWM_GRAYSCALE 1
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#define BCPWM_BW 2
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#define NUMPREVIEWIMAGES 3
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#define BCPWM_SETBRIGHTNESS (WM_USER+3141) // wParam=0, lParam=(int)brightness
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#define BCPWM_SETCONTRAST (WM_USER+3142) // wParam=0, lParam=(int)contrast
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#define BCPWM_SETINTENT (WM_USER+3143) // wParam=0, lParam=(int)intent
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#define BCPWM_LOADIMAGE (WM_USER+3144) // wParam = {BCPWM_COLOR, BCPWM_GRAYSCALE,BCPWM_BW}, wparam=(HBITMAP)previewBitmap
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#define BRIGHTNESS_CONTRAST_PREVIEW_WINDOW_CLASSW L"WiaBrightnessContrastPreviewWindow"
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#define BRIGHTNESS_CONTRAST_PREVIEW_WINDOW_CLASSA "WiaBrightnessContrastPreviewWindow"
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#define SHADOW_WIDTH 6
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#if defined(UNICODE) || defined(_UNICODE)
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#define BRIGHTNESS_CONTRAST_PREVIEW_WINDOW_CLASS BRIGHTNESS_CONTRAST_PREVIEW_WINDOW_CLASSW
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#else
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#define BRIGHTNESS_CONTRAST_PREVIEW_WINDOW_CLASS BRIGHTNESS_CONTRAST_PREVIEW_WINDOW_CLASSA
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#endif
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//
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// Brightness Contrast Preview Control
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//
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class CBrightnessContrast
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{
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protected:
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HWND m_hWnd;
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BYTE m_nBrightness;
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BYTE m_nContrast;
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LONG m_nIntent;
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HBITMAP m_hBmpPreviewImage;
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HBITMAP m_PreviewBitmaps[NUMPREVIEWIMAGES];
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#ifndef DONT_USE_GDIPLUS
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CGdiPlusHelper m_GdiPlusHelper;
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#endif
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private:
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explicit CBrightnessContrast( HWND hWnd );
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virtual ~CBrightnessContrast(void);
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int SetPreviewImage(LONG _fileName);
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static LRESULT CALLBACK WndProc( HWND, UINT, WPARAM, LPARAM );
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private:
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CBrightnessContrast(void);
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CBrightnessContrast( const CBrightnessContrast & );
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CBrightnessContrast &operator=( const CBrightnessContrast & );
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private:
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LRESULT ApplySettings();
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LRESULT SetContrast(int contrast);
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LRESULT SetBrightness(int brightness);
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LRESULT SetIntent( LONG intent);
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LRESULT KillBitmaps();
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protected:
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//
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// Standard windows messages
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//
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LRESULT OnPaint( WPARAM, LPARAM );
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LRESULT OnCreate( WPARAM, LPARAM );
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LRESULT OnEnable( WPARAM, LPARAM );
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//
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// The parent window needs to pass us bitmap handles
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//
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LRESULT OnLoadBitmap(WPARAM wParam, LPARAM lParam);
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//
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// Message interface functions
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//
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LRESULT OnSetBrightness( WPARAM wParam, LPARAM lParam);
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LRESULT OnSetContrast( WPARAM wParam, LPARAM lParam);
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LRESULT OnSetIntent( WPARAM wParam, LPARAM lParam);
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public:
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static BOOL RegisterClass( HINSTANCE hInstance );
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};
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#endif //__CONTRAST_H_INCLUDED
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