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TDx_Draw_Library v1.90 Component Reference [ TDx_Draw_Library::TDDPixelFormat ]     [ next: TDDSCaps ]     [ prev: TDDOverlayFX ] class TDDPixelFormat : public TComponent class PACKAGE TDDPixelFormat : public TComponent class type : MultiWrapper    TDDPIXELFORMAT   [ component ] Description The TDDPixelFormat component wraps multiple DDPIXELFORMAT structures, which describe the pixel format and color information of a surface. It is used by TDx_DrawSurface::GetPixelFormat(), TDx_DrawVideoPort::GetBandwidthInfo(), TDx_DrawVideoPort::GetInputFormats and TDx_DrawVideoPort::GetOutputFormats when retrieving color and pixel format information. It is also present in TDDSurfaceDesc and TDDVideoPortInfo. To setup this component, first set the TDDPixelFormat::ArraySize property, then set each property using array indexes, eg: DDPixelFormat1->ArraySize = 1; DDPixelFormat1->Flags[0] = DDPF_PALETTEINDEXED8; TDDPixelFormat::AlphaBitDepth refers to the bit depth for alpha-only pixel formats (DDPF_ALPHA). To obtain the alpha bit depth when the alpa component is included with color components (DDPF_ALPHAPIXELS), count the bits in the various mask members. For example, this function will return the number of bits set in a given bitmask: WORD GetNumberOfBits( DWORD Mask ) { WORD Bits = 0; while( Mask ) { Mask = Mask & ( Mask - 1 ); Bits++; } return Bits; } Properties     AlphaBitDepth     ArraySize     BBitMask     BumpBitCount     BumpDuBitMask     BumpDvBitMask     BumpLuminanceBitMask     ErrorValue     Flags     FourCC     GBitMask     LuminanceAlphaBitMask     LuminanceBitCount     LuminanceBitMask     RBitMask     RGBAlphaBitMask     RGBBitCount     RGBZBitMask     Size     SizeAll     StencilBitDepth     StencilBitMask     UBitMask     VBitMask     YBitMask     YUVAlphaBitMask     YUVBitCount     YUVZBitMask     ZBitMask     ZBufferBitDepth Methods     Clear     ClearAll Events     OnError SeeAlso TDx_DrawSurface::GetPixelFormat() TDx_DrawVideoPort::GetBandwidthInfo() TDx_DrawVideoPort::GetInputFormats() TDx_DrawVideoPort::GetOutputFormats() TDDSurfaceDesc::PixelFormat TDDVideoPortInfo::InputFormat TDDVideoPortInfo::VBIOutputFormat TDDVideoPortInfo::VBIInputFormat Top If you would like to submit additions or improvements to this page, click: [email protected].

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