Xlib â C Language X Interface

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<strong>Xlib</strong> − C LibraryX11, Release 6.7 DRAFTImageByteOrder (display)int XImageByteOrder(display)Display *display;displaySpecifies the connection to the X server.Both specify the required byte order for images for each scanline unit in XY format (bitmap) orfor each pixel value in Z format. The macro or function can return either LSBFirst or MSB-First.BitmapUnit (display)int XBitmapUnit(display)Display *display;displaySpecifies the connection to the X server.Both return the size of a bitmap’s scanline unit in bits. The scanline is calculated in multiples ofthis value.BitmapBitOrder (display)int XBitmapBitOrder(display)Display *display;displaySpecifies the connection to the X server.Within each bitmap unit, the left-most bit in the bitmap as displayed on the screen is either theleast significant or most significant bit in the unit. This macro or function can return LSBFirst orMSBFirst.BitmapPad (display)int XBitmapPad (display)Display *display;displaySpecifies the connection to the X server.Each scanline must be padded to a multiple of bits returned by this macro or function.19
<strong>Xlib</strong> − C LibraryX11, Release 6.7 DRAFTDisplayHeight (display, screen_number)int XDisplayHeight(display, screen_number)Display *display;int screen_number;displayscreen_numberSpecifies the connection to the X server.Specifies the appropriate screen number on the host server.Both return an integer that describes the height of the screen in pixels.DisplayHeightMM (display, screen_number)int XDisplayHeightMM(display, screen_number)Display *display;int screen_number;displayscreen_numberSpecifies the connection to the X server.Specifies the appropriate screen number on the host server.Both return the height of the specified screen in millimeters.DisplayWidth (display, screen_number)int XDisplayWidth (display, screen_number)Display *display;int screen_number;displayscreen_numberSpecifies the connection to the X server.Specifies the appropriate screen number on the host server.Both return the width of the screen in pixels.20
Page 3 and 4: AcknowledgmentsThe design and imple
Page 5 and 6: Release 6Stephen Gildea (X Consorti
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4.2. Translating Screen Coordinates
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10.7. Input Focus Events . . . . .
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13.5.6.1. Input Style . . . . . . .
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