//------------------------------------------------------------------------------ // File: Bitmap.h // // Desc: DirectShow sample code - header file for VMR bitmap manipulation // // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ // // Constants // #define TRANSPARENCY_VALUE (0.6f) #define PURE_WHITE RGB(255,255,255) #define ALMOST_WHITE RGB(250,250,250) #define BLEND_TEXT TEXT("This is a demonstration of alpha-blended dynamic text.\0") #define DYNAMIC_TEXT_SIZE 255 #define MARK_SLIDE 0x1 #define MARK_DISABLE 0x2 #define MARK_STATIC_IMAGE 0x4 #define MARK_DYNAMIC_TEXT 0x8 #define DEFAULT_MARK MARK_DYNAMIC_TEXT #define DEFAULT_FONT_NAME TEXT("Impact\0") #define DEFAULT_FONT_STYLE TEXT("Regular\0") #define DEFAULT_FONT_SIZE 20 #define DEFAULT_FONT_COLOR RGB(255,0,0) #define MAX_FONT_SIZE 30 #define STR_VMR_DISPLAY_WARNING \ TEXT("The VMR9 requires Direct3D9 in order to perform alpha blending. ") \ TEXT("Therefore, this sample requires that your display be set to a mode ") \ TEXT("which is compatible with your computer's video card. ") \ TEXT("Most video cards support Direct3D in 16-bit and 32-bit RGB modes, ") \ TEXT("and some newer cards support 16, 24 and 32-bit display modes.\r\n\r\n") \ TEXT("To correct this problem, try changing your display to use ") \ TEXT("16-bit or 32-bit color depth in the Display Control Panel applet.\0") // // Function prototypes // HRESULT DisableTicker(DWORD dwFlags); HRESULT BlendApplicationImage(HWND hwndApp); HRESULT BlendApplicationText(HWND hwndApp, TCHAR *szNewText); void SlideTicker(DWORD dwFlags); void FlipFlag(DWORD dwFlag); void HandleSlide(void); void ResetBitmapPosition(void); void ClearTickerState(void); void RefreshGraph(void); void SetColorRef(VMR9AlphaBitmap& bmpInfo); void EnableTickerMenu(BOOL bEnable); HFONT UserSelectFont(void); HFONT SetTextFont(BOOL bShowDialog); VOID CALLBACK TimerProc(HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime); // // Global data // extern IVMRMixerBitmap9 *pBMP; extern HFONT g_hFont; extern TCHAR g_szAppText[DYNAMIC_TEXT_SIZE];